4567 lines
138 KiB
C
4567 lines
138 KiB
C
/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Driver
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* Copyright(c) 2013 - 2016 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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/* ethtool support for i40e */
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#include "i40e.h"
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#include "i40e_diag.h"
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struct i40e_stats {
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char stat_string[ETH_GSTRING_LEN];
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int sizeof_stat;
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int stat_offset;
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};
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#define I40E_STAT(_type, _name, _stat) { \
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.stat_string = _name, \
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.sizeof_stat = FIELD_SIZEOF(_type, _stat), \
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.stat_offset = offsetof(_type, _stat) \
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}
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#define I40E_NETDEV_STAT(_net_stat) \
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I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
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#define I40E_PF_STAT(_name, _stat) \
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I40E_STAT(struct i40e_pf, _name, _stat)
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#define I40E_VSI_STAT(_name, _stat) \
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I40E_STAT(struct i40e_vsi, _name, _stat)
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#define I40E_VEB_STAT(_name, _stat) \
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I40E_STAT(struct i40e_veb, _name, _stat)
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static const struct i40e_stats i40e_gstrings_net_stats[] = {
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I40E_NETDEV_STAT(rx_packets),
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I40E_NETDEV_STAT(tx_packets),
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I40E_NETDEV_STAT(rx_bytes),
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I40E_NETDEV_STAT(tx_bytes),
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I40E_NETDEV_STAT(rx_errors),
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I40E_NETDEV_STAT(tx_errors),
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I40E_NETDEV_STAT(rx_dropped),
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I40E_NETDEV_STAT(tx_dropped),
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I40E_NETDEV_STAT(collisions),
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I40E_NETDEV_STAT(rx_length_errors),
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I40E_NETDEV_STAT(rx_crc_errors),
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};
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static const struct i40e_stats i40e_gstrings_veb_stats[] = {
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I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
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I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
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I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
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I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
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I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
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I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
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I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
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I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
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I40E_VEB_STAT("rx_discards", stats.rx_discards),
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I40E_VEB_STAT("tx_discards", stats.tx_discards),
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I40E_VEB_STAT("tx_errors", stats.tx_errors),
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I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
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};
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static const struct i40e_stats i40e_gstrings_misc_stats[] = {
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I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
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I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
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I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
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I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
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I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
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I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
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I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
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I40E_VSI_STAT("tx_linearize", tx_linearize),
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I40E_VSI_STAT("tx_force_wb", tx_force_wb),
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I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
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I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
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};
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/* These PF_STATs might look like duplicates of some NETDEV_STATs,
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* but they are separate. This device supports Virtualization, and
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* as such might have several netdevs supporting VMDq and FCoE going
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* through a single port. The NETDEV_STATs are for individual netdevs
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* seen at the top of the stack, and the PF_STATs are for the physical
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* function at the bottom of the stack hosting those netdevs.
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*
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* The PF_STATs are appended to the netdev stats only when ethtool -S
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* is queried on the base PF netdev, not on the VMDq or FCoE netdev.
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*/
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static const struct i40e_stats i40e_gstrings_stats[] = {
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I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
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I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
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I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
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I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
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I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
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I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
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I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
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I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
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I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
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I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
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I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
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I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
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I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
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I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
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I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
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I40E_PF_STAT("tx_timeout", tx_timeout_count),
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I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
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I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
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I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
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I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
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I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
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I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
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I40E_PF_STAT("rx_size_64", stats.rx_size_64),
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I40E_PF_STAT("rx_size_127", stats.rx_size_127),
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I40E_PF_STAT("rx_size_255", stats.rx_size_255),
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I40E_PF_STAT("rx_size_511", stats.rx_size_511),
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I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
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I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
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I40E_PF_STAT("rx_size_big", stats.rx_size_big),
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I40E_PF_STAT("tx_size_64", stats.tx_size_64),
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I40E_PF_STAT("tx_size_127", stats.tx_size_127),
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I40E_PF_STAT("tx_size_255", stats.tx_size_255),
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I40E_PF_STAT("tx_size_511", stats.tx_size_511),
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I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
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I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
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I40E_PF_STAT("tx_size_big", stats.tx_size_big),
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I40E_PF_STAT("rx_undersize", stats.rx_undersize),
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I40E_PF_STAT("rx_fragments", stats.rx_fragments),
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I40E_PF_STAT("rx_oversize", stats.rx_oversize),
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I40E_PF_STAT("rx_jabber", stats.rx_jabber),
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I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
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I40E_PF_STAT("arq_overflows", arq_overflows),
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I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
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I40E_PF_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
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I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
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I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
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I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
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I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
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I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
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I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
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/* LPI stats */
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I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
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I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
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I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
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I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
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};
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#define I40E_QUEUE_STATS_LEN(n) \
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(((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
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* 2 /* Tx and Rx together */ \
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* (sizeof(struct i40e_queue_stats) / sizeof(u64)))
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#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
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#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
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#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
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#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
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I40E_MISC_STATS_LEN + \
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I40E_QUEUE_STATS_LEN((n)))
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#define I40E_PFC_STATS_LEN ( \
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(FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
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FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
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FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
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FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
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FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
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/ sizeof(u64))
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#define I40E_VEB_TC_STATS_LEN ( \
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(FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
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FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
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FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
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FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
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/ sizeof(u64))
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#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
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#define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
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#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
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I40E_PFC_STATS_LEN + \
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I40E_VSI_STATS_LEN((n)))
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enum i40e_ethtool_test_id {
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I40E_ETH_TEST_REG = 0,
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I40E_ETH_TEST_EEPROM,
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I40E_ETH_TEST_INTR,
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I40E_ETH_TEST_LINK,
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};
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static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
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"Register test (offline)",
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"Eeprom test (offline)",
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"Interrupt test (offline)",
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"Link test (on/offline)"
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};
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#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
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struct i40e_priv_flags {
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char flag_string[ETH_GSTRING_LEN];
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u64 flag;
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bool read_only;
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};
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#define I40E_PRIV_FLAG(_name, _flag, _read_only) { \
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.flag_string = _name, \
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.flag = _flag, \
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.read_only = _read_only, \
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}
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static const struct i40e_priv_flags i40e_gstrings_priv_flags[] = {
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/* NOTE: MFP setting cannot be changed */
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I40E_PRIV_FLAG("MFP", I40E_FLAG_MFP_ENABLED, 1),
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I40E_PRIV_FLAG("LinkPolling", I40E_FLAG_LINK_POLLING_ENABLED, 0),
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I40E_PRIV_FLAG("flow-director-atr", I40E_FLAG_FD_ATR_ENABLED, 0),
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I40E_PRIV_FLAG("veb-stats", I40E_FLAG_VEB_STATS_ENABLED, 0),
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I40E_PRIV_FLAG("hw-atr-eviction", I40E_FLAG_HW_ATR_EVICT_ENABLED, 0),
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I40E_PRIV_FLAG("legacy-rx", I40E_FLAG_LEGACY_RX, 0),
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I40E_PRIV_FLAG("disable-source-pruning",
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I40E_FLAG_SOURCE_PRUNING_DISABLED, 0),
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};
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#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gstrings_priv_flags)
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/* Private flags with a global effect, restricted to PF 0 */
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static const struct i40e_priv_flags i40e_gl_gstrings_priv_flags[] = {
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I40E_PRIV_FLAG("vf-true-promisc-support",
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I40E_FLAG_TRUE_PROMISC_SUPPORT, 0),
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};
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#define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_gstrings_priv_flags)
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/**
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* i40e_partition_setting_complaint - generic complaint for MFP restriction
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* @pf: the PF struct
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**/
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static void i40e_partition_setting_complaint(struct i40e_pf *pf)
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{
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dev_info(&pf->pdev->dev,
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"The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
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}
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/**
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* i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
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* @pf: PF struct with phy_types
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* @ks: ethtool link ksettings struct to fill out
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*
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**/
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static void i40e_phy_type_to_ethtool(struct i40e_pf *pf,
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struct ethtool_link_ksettings *ks)
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{
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struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
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u64 phy_types = pf->hw.phy.phy_types;
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ethtool_link_ksettings_zero_link_mode(ks, supported);
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ethtool_link_ksettings_zero_link_mode(ks, advertising);
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if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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1000baseT_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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1000baseT_Full);
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if (pf->hw_features & I40E_HW_100M_SGMII_CAPABLE) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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100baseT_Full);
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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100baseT_Full);
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}
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}
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if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
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phy_types & I40E_CAP_PHY_TYPE_XFI ||
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phy_types & I40E_CAP_PHY_TYPE_SFI ||
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phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
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phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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10000baseT_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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10000baseT_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_T) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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10000baseT_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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10000baseT_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
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phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
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phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
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ethtool_link_ksettings_add_link_mode(ks, supported,
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40000baseCR4_Full);
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if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
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phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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40000baseCR4_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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40000baseCR4_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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100baseT_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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100baseT_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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1000baseT_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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1000baseT_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
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ethtool_link_ksettings_add_link_mode(ks, supported,
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40000baseSR4_Full);
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if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
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ethtool_link_ksettings_add_link_mode(ks, supported,
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40000baseLR4_Full);
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if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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40000baseLR4_Full);
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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40000baseLR4_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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20000baseKR2_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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20000baseKR2_Full);
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}
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if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
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ethtool_link_ksettings_add_link_mode(ks, supported,
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10000baseKX4_Full);
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if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
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ethtool_link_ksettings_add_link_mode(ks, advertising,
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10000baseKX4_Full);
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}
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|
if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR &&
|
|
!(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER)) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseKR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseKR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX &&
|
|
!(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER)) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseKX_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseKX_Full);
|
|
}
|
|
/* need to add 25G PHY types */
|
|
if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseKR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseKR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseCR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseCR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseSR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseSR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_AOC ||
|
|
phy_types & I40E_CAP_PHY_TYPE_25GBASE_ACC) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseCR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseCR_Full);
|
|
}
|
|
/* need to add new 10G PHY types */
|
|
if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseCR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseCR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseSR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseSR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseLR_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseLR_Full);
|
|
}
|
|
if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseX_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseX_Full);
|
|
}
|
|
/* Autoneg PHY types */
|
|
if (phy_types & I40E_CAP_PHY_TYPE_SGMII ||
|
|
phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4 ||
|
|
phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
|
|
phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4 ||
|
|
phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2 ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4 ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
|
|
phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
|
|
phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX ||
|
|
phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
Autoneg);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_get_settings_link_up - Get the Link settings for when link is up
|
|
* @hw: hw structure
|
|
* @ks: ethtool ksettings to fill in
|
|
* @netdev: network interface device structure
|
|
* @pf: pointer to physical function struct
|
|
**/
|
|
static void i40e_get_settings_link_up(struct i40e_hw *hw,
|
|
struct ethtool_link_ksettings *ks,
|
|
struct net_device *netdev,
|
|
struct i40e_pf *pf)
|
|
{
|
|
struct i40e_link_status *hw_link_info = &hw->phy.link_info;
|
|
struct ethtool_link_ksettings cap_ksettings;
|
|
u32 link_speed = hw_link_info->link_speed;
|
|
|
|
/* Initialize supported and advertised settings based on phy settings */
|
|
switch (hw_link_info->phy_type) {
|
|
case I40E_PHY_TYPE_40GBASE_CR4:
|
|
case I40E_PHY_TYPE_40GBASE_CR4_CU:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
40000baseCR4_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
40000baseCR4_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_XLAUI:
|
|
case I40E_PHY_TYPE_XLPPI:
|
|
case I40E_PHY_TYPE_40GBASE_AOC:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
40000baseCR4_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_40GBASE_SR4:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
40000baseSR4_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_40GBASE_LR4:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
40000baseLR4_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_25GBASE_SR:
|
|
case I40E_PHY_TYPE_25GBASE_LR:
|
|
case I40E_PHY_TYPE_10GBASE_SR:
|
|
case I40E_PHY_TYPE_10GBASE_LR:
|
|
case I40E_PHY_TYPE_1000BASE_SX:
|
|
case I40E_PHY_TYPE_1000BASE_LX:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseSR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseSR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseSR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseSR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseLR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseLR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseX_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseX_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseT_Full);
|
|
if (hw_link_info->module_type[2] &
|
|
I40E_MODULE_TYPE_1000BASE_SX ||
|
|
hw_link_info->module_type[2] &
|
|
I40E_MODULE_TYPE_1000BASE_LX) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseT_Full);
|
|
if (hw_link_info->requested_speeds &
|
|
I40E_LINK_SPEED_1GB)
|
|
ethtool_link_ksettings_add_link_mode(
|
|
ks, advertising, 1000baseT_Full);
|
|
}
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseT_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_10GBASE_T:
|
|
case I40E_PHY_TYPE_1000BASE_T:
|
|
case I40E_PHY_TYPE_100BASE_TX:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
100baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseT_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseT_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
100baseT_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseT_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_10GBASE_CR1_CU:
|
|
case I40E_PHY_TYPE_10GBASE_CR1:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseT_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_XAUI:
|
|
case I40E_PHY_TYPE_XFI:
|
|
case I40E_PHY_TYPE_SFI:
|
|
case I40E_PHY_TYPE_10GBASE_SFPP_CU:
|
|
case I40E_PHY_TYPE_10GBASE_AOC:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseT_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseT_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_SGMII:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseT_Full);
|
|
if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseT_Full);
|
|
if (pf->hw_features & I40E_HW_100M_SGMII_CAPABLE) {
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
100baseT_Full);
|
|
if (hw_link_info->requested_speeds &
|
|
I40E_LINK_SPEED_100MB)
|
|
ethtool_link_ksettings_add_link_mode(
|
|
ks, advertising, 100baseT_Full);
|
|
}
|
|
break;
|
|
case I40E_PHY_TYPE_40GBASE_KR4:
|
|
case I40E_PHY_TYPE_25GBASE_KR:
|
|
case I40E_PHY_TYPE_20GBASE_KR2:
|
|
case I40E_PHY_TYPE_10GBASE_KR:
|
|
case I40E_PHY_TYPE_10GBASE_KX4:
|
|
case I40E_PHY_TYPE_1000BASE_KX:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
40000baseKR4_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseKR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
20000baseKR2_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseKR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseKX4_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
1000baseKX_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
40000baseKR4_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseKR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
20000baseKR2_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseKR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseKX4_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
1000baseKX_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
break;
|
|
case I40E_PHY_TYPE_25GBASE_CR:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseCR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseCR_Full);
|
|
break;
|
|
case I40E_PHY_TYPE_25GBASE_AOC:
|
|
case I40E_PHY_TYPE_25GBASE_ACC:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
25000baseCR_Full);
|
|
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
25000baseCR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported,
|
|
10000baseCR_Full);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
10000baseCR_Full);
|
|
break;
|
|
default:
|
|
/* if we got here and link is up something bad is afoot */
|
|
netdev_info(netdev,
|
|
"WARNING: Link is up but PHY type 0x%x is not recognized.\n",
|
|
hw_link_info->phy_type);
|
|
}
|
|
|
|
/* Now that we've worked out everything that could be supported by the
|
|
* current PHY type, get what is supported by the NVM and intersect
|
|
* them to get what is truly supported
|
|
*/
|
|
memset(&cap_ksettings, 0, sizeof(struct ethtool_link_ksettings));
|
|
i40e_phy_type_to_ethtool(pf, &cap_ksettings);
|
|
ethtool_intersect_link_masks(ks, &cap_ksettings);
|
|
|
|
/* Set speed and duplex */
|
|
switch (link_speed) {
|
|
case I40E_LINK_SPEED_40GB:
|
|
ks->base.speed = SPEED_40000;
|
|
break;
|
|
case I40E_LINK_SPEED_25GB:
|
|
ks->base.speed = SPEED_25000;
|
|
break;
|
|
case I40E_LINK_SPEED_20GB:
|
|
ks->base.speed = SPEED_20000;
|
|
break;
|
|
case I40E_LINK_SPEED_10GB:
|
|
ks->base.speed = SPEED_10000;
|
|
break;
|
|
case I40E_LINK_SPEED_1GB:
|
|
ks->base.speed = SPEED_1000;
|
|
break;
|
|
case I40E_LINK_SPEED_100MB:
|
|
ks->base.speed = SPEED_100;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
ks->base.duplex = DUPLEX_FULL;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_settings_link_down - Get the Link settings for when link is down
|
|
* @hw: hw structure
|
|
* @ks: ethtool ksettings to fill in
|
|
* @pf: pointer to physical function struct
|
|
*
|
|
* Reports link settings that can be determined when link is down
|
|
**/
|
|
static void i40e_get_settings_link_down(struct i40e_hw *hw,
|
|
struct ethtool_link_ksettings *ks,
|
|
struct i40e_pf *pf)
|
|
{
|
|
/* link is down and the driver needs to fall back on
|
|
* supported phy types to figure out what info to display
|
|
*/
|
|
i40e_phy_type_to_ethtool(pf, ks);
|
|
|
|
/* With no link speed and duplex are unknown */
|
|
ks->base.speed = SPEED_UNKNOWN;
|
|
ks->base.duplex = DUPLEX_UNKNOWN;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_link_ksettings - Get Link Speed and Duplex settings
|
|
* @netdev: network interface device structure
|
|
* @ks: ethtool ksettings
|
|
*
|
|
* Reports speed/duplex settings based on media_type
|
|
**/
|
|
static int i40e_get_link_ksettings(struct net_device *netdev,
|
|
struct ethtool_link_ksettings *ks)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_link_status *hw_link_info = &hw->phy.link_info;
|
|
bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
|
|
|
|
ethtool_link_ksettings_zero_link_mode(ks, supported);
|
|
ethtool_link_ksettings_zero_link_mode(ks, advertising);
|
|
|
|
if (link_up)
|
|
i40e_get_settings_link_up(hw, ks, netdev, pf);
|
|
else
|
|
i40e_get_settings_link_down(hw, ks, pf);
|
|
|
|
/* Now set the settings that don't rely on link being up/down */
|
|
/* Set autoneg settings */
|
|
ks->base.autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
|
|
AUTONEG_ENABLE : AUTONEG_DISABLE);
|
|
|
|
/* Set media type settings */
|
|
switch (hw->phy.media_type) {
|
|
case I40E_MEDIA_TYPE_BACKPLANE:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
Backplane);
|
|
ks->base.port = PORT_NONE;
|
|
break;
|
|
case I40E_MEDIA_TYPE_BASET:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, TP);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
|
|
ks->base.port = PORT_TP;
|
|
break;
|
|
case I40E_MEDIA_TYPE_DA:
|
|
case I40E_MEDIA_TYPE_CX4:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
|
|
ks->base.port = PORT_DA;
|
|
break;
|
|
case I40E_MEDIA_TYPE_FIBER:
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
|
|
ks->base.port = PORT_FIBRE;
|
|
break;
|
|
case I40E_MEDIA_TYPE_UNKNOWN:
|
|
default:
|
|
ks->base.port = PORT_OTHER;
|
|
break;
|
|
}
|
|
|
|
/* Set flow control settings */
|
|
ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
|
|
|
|
switch (hw->fc.requested_mode) {
|
|
case I40E_FC_FULL:
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
|
|
break;
|
|
case I40E_FC_TX_PAUSE:
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
Asym_Pause);
|
|
break;
|
|
case I40E_FC_RX_PAUSE:
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
|
|
ethtool_link_ksettings_add_link_mode(ks, advertising,
|
|
Asym_Pause);
|
|
break;
|
|
default:
|
|
ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
|
|
ethtool_link_ksettings_del_link_mode(ks, advertising,
|
|
Asym_Pause);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_link_ksettings - Set Speed and Duplex
|
|
* @netdev: network interface device structure
|
|
* @ks: ethtool ksettings
|
|
*
|
|
* Set speed/duplex per media_types advertised/forced
|
|
**/
|
|
static int i40e_set_link_ksettings(struct net_device *netdev,
|
|
const struct ethtool_link_ksettings *ks)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_aq_get_phy_abilities_resp abilities;
|
|
struct ethtool_link_ksettings safe_ks;
|
|
struct ethtool_link_ksettings copy_ks;
|
|
struct i40e_aq_set_phy_config config;
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
bool autoneg_changed = false;
|
|
i40e_status status = 0;
|
|
int timeout = 50;
|
|
int err = 0;
|
|
u8 autoneg;
|
|
|
|
/* Changing port settings is not supported if this isn't the
|
|
* port's controlling PF
|
|
*/
|
|
if (hw->partition_id != 1) {
|
|
i40e_partition_setting_complaint(pf);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
if (vsi != pf->vsi[pf->lan_vsi])
|
|
return -EOPNOTSUPP;
|
|
if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
|
|
hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
|
|
hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
|
|
hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
|
|
hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
|
|
return -EOPNOTSUPP;
|
|
if (hw->device_id == I40E_DEV_ID_KX_B ||
|
|
hw->device_id == I40E_DEV_ID_KX_C ||
|
|
hw->device_id == I40E_DEV_ID_20G_KR2 ||
|
|
hw->device_id == I40E_DEV_ID_20G_KR2_A) {
|
|
netdev_info(netdev, "Changing settings is not supported on backplane.\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/* copy the ksettings to copy_ks to avoid modifying the origin */
|
|
memcpy(©_ks, ks, sizeof(struct ethtool_link_ksettings));
|
|
|
|
/* save autoneg out of ksettings */
|
|
autoneg = copy_ks.base.autoneg;
|
|
|
|
memset(&safe_ks, 0, sizeof(safe_ks));
|
|
/* Get link modes supported by hardware and check against modes
|
|
* requested by the user. Return an error if unsupported mode was set.
|
|
*/
|
|
i40e_phy_type_to_ethtool(pf, &safe_ks);
|
|
if (!bitmap_subset(copy_ks.link_modes.advertising,
|
|
safe_ks.link_modes.supported,
|
|
__ETHTOOL_LINK_MODE_MASK_NBITS))
|
|
return -EINVAL;
|
|
|
|
/* get our own copy of the bits to check against */
|
|
memset(&safe_ks, 0, sizeof(struct ethtool_link_ksettings));
|
|
safe_ks.base.cmd = copy_ks.base.cmd;
|
|
safe_ks.base.link_mode_masks_nwords =
|
|
copy_ks.base.link_mode_masks_nwords;
|
|
i40e_get_link_ksettings(netdev, &safe_ks);
|
|
|
|
/* set autoneg back to what it currently is */
|
|
copy_ks.base.autoneg = safe_ks.base.autoneg;
|
|
|
|
/* If copy_ks.base and safe_ks.base are not the same now, then they are
|
|
* trying to set something that we do not support.
|
|
*/
|
|
if (memcmp(©_ks.base, &safe_ks.base,
|
|
sizeof(struct ethtool_link_settings)))
|
|
return -EOPNOTSUPP;
|
|
|
|
while (test_and_set_bit(__I40E_CONFIG_BUSY, pf->state)) {
|
|
timeout--;
|
|
if (!timeout)
|
|
return -EBUSY;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
/* Get the current phy config */
|
|
status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
|
|
NULL);
|
|
if (status) {
|
|
err = -EAGAIN;
|
|
goto done;
|
|
}
|
|
|
|
/* Copy abilities to config in case autoneg is not
|
|
* set below
|
|
*/
|
|
memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
|
|
config.abilities = abilities.abilities;
|
|
|
|
/* Check autoneg */
|
|
if (autoneg == AUTONEG_ENABLE) {
|
|
/* If autoneg was not already enabled */
|
|
if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
|
|
/* If autoneg is not supported, return error */
|
|
if (!ethtool_link_ksettings_test_link_mode(&safe_ks,
|
|
supported,
|
|
Autoneg)) {
|
|
netdev_info(netdev, "Autoneg not supported on this phy\n");
|
|
err = -EINVAL;
|
|
goto done;
|
|
}
|
|
/* Autoneg is allowed to change */
|
|
config.abilities = abilities.abilities |
|
|
I40E_AQ_PHY_ENABLE_AN;
|
|
autoneg_changed = true;
|
|
}
|
|
} else {
|
|
/* If autoneg is currently enabled */
|
|
if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
|
|
/* If autoneg is supported 10GBASE_T is the only PHY
|
|
* that can disable it, so otherwise return error
|
|
*/
|
|
if (ethtool_link_ksettings_test_link_mode(&safe_ks,
|
|
supported,
|
|
Autoneg) &&
|
|
hw->phy.link_info.phy_type !=
|
|
I40E_PHY_TYPE_10GBASE_T) {
|
|
netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
|
|
err = -EINVAL;
|
|
goto done;
|
|
}
|
|
/* Autoneg is allowed to change */
|
|
config.abilities = abilities.abilities &
|
|
~I40E_AQ_PHY_ENABLE_AN;
|
|
autoneg_changed = true;
|
|
}
|
|
}
|
|
|
|
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
100baseT_Full))
|
|
config.link_speed |= I40E_LINK_SPEED_100MB;
|
|
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
1000baseT_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
1000baseX_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
1000baseKX_Full))
|
|
config.link_speed |= I40E_LINK_SPEED_1GB;
|
|
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
10000baseT_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
10000baseKX4_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
10000baseKR_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
10000baseCR_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
10000baseSR_Full))
|
|
config.link_speed |= I40E_LINK_SPEED_10GB;
|
|
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
20000baseKR2_Full))
|
|
config.link_speed |= I40E_LINK_SPEED_20GB;
|
|
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
25000baseCR_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
25000baseKR_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
25000baseSR_Full))
|
|
config.link_speed |= I40E_LINK_SPEED_25GB;
|
|
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
40000baseKR4_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
40000baseCR4_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
40000baseSR4_Full) ||
|
|
ethtool_link_ksettings_test_link_mode(ks, advertising,
|
|
40000baseLR4_Full))
|
|
config.link_speed |= I40E_LINK_SPEED_40GB;
|
|
|
|
/* If speed didn't get set, set it to what it currently is.
|
|
* This is needed because if advertise is 0 (as it is when autoneg
|
|
* is disabled) then speed won't get set.
|
|
*/
|
|
if (!config.link_speed)
|
|
config.link_speed = abilities.link_speed;
|
|
if (autoneg_changed || abilities.link_speed != config.link_speed) {
|
|
/* copy over the rest of the abilities */
|
|
config.phy_type = abilities.phy_type;
|
|
config.phy_type_ext = abilities.phy_type_ext;
|
|
config.eee_capability = abilities.eee_capability;
|
|
config.eeer = abilities.eeer_val;
|
|
config.low_power_ctrl = abilities.d3_lpan;
|
|
config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
|
|
I40E_AQ_PHY_FEC_CONFIG_MASK;
|
|
|
|
/* save the requested speeds */
|
|
hw->phy.link_info.requested_speeds = config.link_speed;
|
|
/* set link and auto negotiation so changes take effect */
|
|
config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
|
|
/* If link is up put link down */
|
|
if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
|
|
/* Tell the OS link is going down, the link will go
|
|
* back up when fw says it is ready asynchronously
|
|
*/
|
|
i40e_print_link_message(vsi, false);
|
|
netif_carrier_off(netdev);
|
|
netif_tx_stop_all_queues(netdev);
|
|
}
|
|
|
|
/* make the aq call */
|
|
status = i40e_aq_set_phy_config(hw, &config, NULL);
|
|
if (status) {
|
|
netdev_info(netdev,
|
|
"Set phy config failed, err %s aq_err %s\n",
|
|
i40e_stat_str(hw, status),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
err = -EAGAIN;
|
|
goto done;
|
|
}
|
|
|
|
status = i40e_update_link_info(hw);
|
|
if (status)
|
|
netdev_dbg(netdev,
|
|
"Updating link info failed with err %s aq_err %s\n",
|
|
i40e_stat_str(hw, status),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
|
|
} else {
|
|
netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
|
|
}
|
|
|
|
done:
|
|
clear_bit(__I40E_CONFIG_BUSY, pf->state);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int i40e_nway_reset(struct net_device *netdev)
|
|
{
|
|
/* restart autonegotiation */
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
|
|
i40e_status ret = 0;
|
|
|
|
ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
|
|
if (ret) {
|
|
netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
|
|
i40e_stat_str(hw, ret),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_pauseparam - Get Flow Control status
|
|
* Return tx/rx-pause status
|
|
**/
|
|
static void i40e_get_pauseparam(struct net_device *netdev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_link_status *hw_link_info = &hw->phy.link_info;
|
|
struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
|
|
|
|
pause->autoneg =
|
|
((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
|
|
AUTONEG_ENABLE : AUTONEG_DISABLE);
|
|
|
|
/* PFC enabled so report LFC as off */
|
|
if (dcbx_cfg->pfc.pfcenable) {
|
|
pause->rx_pause = 0;
|
|
pause->tx_pause = 0;
|
|
return;
|
|
}
|
|
|
|
if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
|
|
pause->rx_pause = 1;
|
|
} else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
|
|
pause->tx_pause = 1;
|
|
} else if (hw->fc.current_mode == I40E_FC_FULL) {
|
|
pause->rx_pause = 1;
|
|
pause->tx_pause = 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_set_pauseparam - Set Flow Control parameter
|
|
* @netdev: network interface device structure
|
|
* @pause: return tx/rx flow control status
|
|
**/
|
|
static int i40e_set_pauseparam(struct net_device *netdev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_link_status *hw_link_info = &hw->phy.link_info;
|
|
struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
|
|
bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
|
|
i40e_status status;
|
|
u8 aq_failures;
|
|
int err = 0;
|
|
|
|
/* Changing the port's flow control is not supported if this isn't the
|
|
* port's controlling PF
|
|
*/
|
|
if (hw->partition_id != 1) {
|
|
i40e_partition_setting_complaint(pf);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (vsi != pf->vsi[pf->lan_vsi])
|
|
return -EOPNOTSUPP;
|
|
|
|
if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
|
|
AUTONEG_ENABLE : AUTONEG_DISABLE)) {
|
|
netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/* If we have link and don't have autoneg */
|
|
if (!test_bit(__I40E_DOWN, pf->state) &&
|
|
!(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
|
|
/* Send message that it might not necessarily work*/
|
|
netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
|
|
}
|
|
|
|
if (dcbx_cfg->pfc.pfcenable) {
|
|
netdev_info(netdev,
|
|
"Priority flow control enabled. Cannot set link flow control.\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (pause->rx_pause && pause->tx_pause)
|
|
hw->fc.requested_mode = I40E_FC_FULL;
|
|
else if (pause->rx_pause && !pause->tx_pause)
|
|
hw->fc.requested_mode = I40E_FC_RX_PAUSE;
|
|
else if (!pause->rx_pause && pause->tx_pause)
|
|
hw->fc.requested_mode = I40E_FC_TX_PAUSE;
|
|
else if (!pause->rx_pause && !pause->tx_pause)
|
|
hw->fc.requested_mode = I40E_FC_NONE;
|
|
else
|
|
return -EINVAL;
|
|
|
|
/* Tell the OS link is going down, the link will go back up when fw
|
|
* says it is ready asynchronously
|
|
*/
|
|
i40e_print_link_message(vsi, false);
|
|
netif_carrier_off(netdev);
|
|
netif_tx_stop_all_queues(netdev);
|
|
|
|
/* Set the fc mode and only restart an if link is up*/
|
|
status = i40e_set_fc(hw, &aq_failures, link_up);
|
|
|
|
if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
|
|
netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
|
|
i40e_stat_str(hw, status),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
err = -EAGAIN;
|
|
}
|
|
if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
|
|
netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
|
|
i40e_stat_str(hw, status),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
err = -EAGAIN;
|
|
}
|
|
if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
|
|
netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
|
|
i40e_stat_str(hw, status),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
err = -EAGAIN;
|
|
}
|
|
|
|
if (!test_bit(__I40E_DOWN, pf->state)) {
|
|
/* Give it a little more time to try to come back */
|
|
msleep(75);
|
|
if (!test_bit(__I40E_DOWN, pf->state))
|
|
return i40e_nway_reset(netdev);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static u32 i40e_get_msglevel(struct net_device *netdev)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
u32 debug_mask = pf->hw.debug_mask;
|
|
|
|
if (debug_mask)
|
|
netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
|
|
|
|
return pf->msg_enable;
|
|
}
|
|
|
|
static void i40e_set_msglevel(struct net_device *netdev, u32 data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
|
|
if (I40E_DEBUG_USER & data)
|
|
pf->hw.debug_mask = data;
|
|
else
|
|
pf->msg_enable = data;
|
|
}
|
|
|
|
static int i40e_get_regs_len(struct net_device *netdev)
|
|
{
|
|
int reg_count = 0;
|
|
int i;
|
|
|
|
for (i = 0; i40e_reg_list[i].offset != 0; i++)
|
|
reg_count += i40e_reg_list[i].elements;
|
|
|
|
return reg_count * sizeof(u32);
|
|
}
|
|
|
|
static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
|
|
void *p)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 *reg_buf = p;
|
|
unsigned int i, j, ri;
|
|
u32 reg;
|
|
|
|
/* Tell ethtool which driver-version-specific regs output we have.
|
|
*
|
|
* At some point, if we have ethtool doing special formatting of
|
|
* this data, it will rely on this version number to know how to
|
|
* interpret things. Hence, this needs to be updated if/when the
|
|
* diags register table is changed.
|
|
*/
|
|
regs->version = 1;
|
|
|
|
/* loop through the diags reg table for what to print */
|
|
ri = 0;
|
|
for (i = 0; i40e_reg_list[i].offset != 0; i++) {
|
|
for (j = 0; j < i40e_reg_list[i].elements; j++) {
|
|
reg = i40e_reg_list[i].offset
|
|
+ (j * i40e_reg_list[i].stride);
|
|
reg_buf[ri++] = rd32(hw, reg);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static int i40e_get_eeprom(struct net_device *netdev,
|
|
struct ethtool_eeprom *eeprom, u8 *bytes)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_hw *hw = &np->vsi->back->hw;
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
int ret_val = 0, len, offset;
|
|
u8 *eeprom_buff;
|
|
u16 i, sectors;
|
|
bool last;
|
|
u32 magic;
|
|
|
|
#define I40E_NVM_SECTOR_SIZE 4096
|
|
if (eeprom->len == 0)
|
|
return -EINVAL;
|
|
|
|
/* check for NVMUpdate access method */
|
|
magic = hw->vendor_id | (hw->device_id << 16);
|
|
if (eeprom->magic && eeprom->magic != magic) {
|
|
struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
|
|
int errno = 0;
|
|
|
|
/* make sure it is the right magic for NVMUpdate */
|
|
if ((eeprom->magic >> 16) != hw->device_id)
|
|
errno = -EINVAL;
|
|
else if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
|
|
test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
|
|
errno = -EBUSY;
|
|
else
|
|
ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
|
|
|
|
if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
|
|
dev_info(&pf->pdev->dev,
|
|
"NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
|
|
ret_val, hw->aq.asq_last_status, errno,
|
|
(u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
|
|
cmd->offset, cmd->data_size);
|
|
|
|
return errno;
|
|
}
|
|
|
|
/* normal ethtool get_eeprom support */
|
|
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
|
|
|
|
eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
|
|
if (!eeprom_buff)
|
|
return -ENOMEM;
|
|
|
|
ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
|
|
if (ret_val) {
|
|
dev_info(&pf->pdev->dev,
|
|
"Failed Acquiring NVM resource for read err=%d status=0x%x\n",
|
|
ret_val, hw->aq.asq_last_status);
|
|
goto free_buff;
|
|
}
|
|
|
|
sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
|
|
sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
|
|
len = I40E_NVM_SECTOR_SIZE;
|
|
last = false;
|
|
for (i = 0; i < sectors; i++) {
|
|
if (i == (sectors - 1)) {
|
|
len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
|
|
last = true;
|
|
}
|
|
offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
|
|
ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
|
|
(u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
|
|
last, NULL);
|
|
if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
|
|
dev_info(&pf->pdev->dev,
|
|
"read NVM failed, invalid offset 0x%x\n",
|
|
offset);
|
|
break;
|
|
} else if (ret_val &&
|
|
hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
|
|
dev_info(&pf->pdev->dev,
|
|
"read NVM failed, access, offset 0x%x\n",
|
|
offset);
|
|
break;
|
|
} else if (ret_val) {
|
|
dev_info(&pf->pdev->dev,
|
|
"read NVM failed offset %d err=%d status=0x%x\n",
|
|
offset, ret_val, hw->aq.asq_last_status);
|
|
break;
|
|
}
|
|
}
|
|
|
|
i40e_release_nvm(hw);
|
|
memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
|
|
free_buff:
|
|
kfree(eeprom_buff);
|
|
return ret_val;
|
|
}
|
|
|
|
static int i40e_get_eeprom_len(struct net_device *netdev)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_hw *hw = &np->vsi->back->hw;
|
|
u32 val;
|
|
|
|
#define X722_EEPROM_SCOPE_LIMIT 0x5B9FFF
|
|
if (hw->mac.type == I40E_MAC_X722) {
|
|
val = X722_EEPROM_SCOPE_LIMIT + 1;
|
|
return val;
|
|
}
|
|
val = (rd32(hw, I40E_GLPCI_LBARCTRL)
|
|
& I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
|
|
>> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
|
|
/* register returns value in power of 2, 64Kbyte chunks. */
|
|
val = (64 * 1024) * BIT(val);
|
|
return val;
|
|
}
|
|
|
|
static int i40e_set_eeprom(struct net_device *netdev,
|
|
struct ethtool_eeprom *eeprom, u8 *bytes)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_hw *hw = &np->vsi->back->hw;
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
|
|
int ret_val = 0;
|
|
int errno = 0;
|
|
u32 magic;
|
|
|
|
/* normal ethtool set_eeprom is not supported */
|
|
magic = hw->vendor_id | (hw->device_id << 16);
|
|
if (eeprom->magic == magic)
|
|
errno = -EOPNOTSUPP;
|
|
/* check for NVMUpdate access method */
|
|
else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
|
|
errno = -EINVAL;
|
|
else if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
|
|
test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
|
|
errno = -EBUSY;
|
|
else
|
|
ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
|
|
|
|
if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
|
|
dev_info(&pf->pdev->dev,
|
|
"NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
|
|
ret_val, hw->aq.asq_last_status, errno,
|
|
(u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
|
|
cmd->offset, cmd->data_size);
|
|
|
|
return errno;
|
|
}
|
|
|
|
static void i40e_get_drvinfo(struct net_device *netdev,
|
|
struct ethtool_drvinfo *drvinfo)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
|
|
strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
|
|
strlcpy(drvinfo->version, i40e_driver_version_str,
|
|
sizeof(drvinfo->version));
|
|
strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
|
|
sizeof(drvinfo->fw_version));
|
|
strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
|
|
sizeof(drvinfo->bus_info));
|
|
drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
|
|
if (pf->hw.pf_id == 0)
|
|
drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
|
|
}
|
|
|
|
static void i40e_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
|
|
|
|
ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
|
|
ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
|
|
ring->rx_mini_max_pending = 0;
|
|
ring->rx_jumbo_max_pending = 0;
|
|
ring->rx_pending = vsi->rx_rings[0]->count;
|
|
ring->tx_pending = vsi->tx_rings[0]->count;
|
|
ring->rx_mini_pending = 0;
|
|
ring->rx_jumbo_pending = 0;
|
|
}
|
|
|
|
static bool i40e_active_tx_ring_index(struct i40e_vsi *vsi, u16 index)
|
|
{
|
|
if (i40e_enabled_xdp_vsi(vsi)) {
|
|
return index < vsi->num_queue_pairs ||
|
|
(index >= vsi->alloc_queue_pairs &&
|
|
index < vsi->alloc_queue_pairs + vsi->num_queue_pairs);
|
|
}
|
|
|
|
return index < vsi->num_queue_pairs;
|
|
}
|
|
|
|
static int i40e_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_hw *hw = &np->vsi->back->hw;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
u32 new_rx_count, new_tx_count;
|
|
u16 tx_alloc_queue_pairs;
|
|
int timeout = 50;
|
|
int i, err = 0;
|
|
|
|
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
|
|
return -EINVAL;
|
|
|
|
if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
|
|
ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
|
|
ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
|
|
ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
|
|
netdev_info(netdev,
|
|
"Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
|
|
ring->tx_pending, ring->rx_pending,
|
|
I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
|
|
return -EINVAL;
|
|
}
|
|
|
|
new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
|
|
new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
|
|
|
|
/* if nothing to do return success */
|
|
if ((new_tx_count == vsi->tx_rings[0]->count) &&
|
|
(new_rx_count == vsi->rx_rings[0]->count))
|
|
return 0;
|
|
|
|
while (test_and_set_bit(__I40E_CONFIG_BUSY, pf->state)) {
|
|
timeout--;
|
|
if (!timeout)
|
|
return -EBUSY;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
if (!netif_running(vsi->netdev)) {
|
|
/* simple case - set for the next time the netdev is started */
|
|
for (i = 0; i < vsi->num_queue_pairs; i++) {
|
|
vsi->tx_rings[i]->count = new_tx_count;
|
|
vsi->rx_rings[i]->count = new_rx_count;
|
|
if (i40e_enabled_xdp_vsi(vsi))
|
|
vsi->xdp_rings[i]->count = new_tx_count;
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
/* We can't just free everything and then setup again,
|
|
* because the ISRs in MSI-X mode get passed pointers
|
|
* to the Tx and Rx ring structs.
|
|
*/
|
|
|
|
/* alloc updated Tx and XDP Tx resources */
|
|
tx_alloc_queue_pairs = vsi->alloc_queue_pairs *
|
|
(i40e_enabled_xdp_vsi(vsi) ? 2 : 1);
|
|
if (new_tx_count != vsi->tx_rings[0]->count) {
|
|
netdev_info(netdev,
|
|
"Changing Tx descriptor count from %d to %d.\n",
|
|
vsi->tx_rings[0]->count, new_tx_count);
|
|
tx_rings = kcalloc(tx_alloc_queue_pairs,
|
|
sizeof(struct i40e_ring), GFP_KERNEL);
|
|
if (!tx_rings) {
|
|
err = -ENOMEM;
|
|
goto done;
|
|
}
|
|
|
|
for (i = 0; i < tx_alloc_queue_pairs; i++) {
|
|
if (!i40e_active_tx_ring_index(vsi, i))
|
|
continue;
|
|
|
|
tx_rings[i] = *vsi->tx_rings[i];
|
|
tx_rings[i].count = new_tx_count;
|
|
/* the desc and bi pointers will be reallocated in the
|
|
* setup call
|
|
*/
|
|
tx_rings[i].desc = NULL;
|
|
tx_rings[i].rx_bi = NULL;
|
|
err = i40e_setup_tx_descriptors(&tx_rings[i]);
|
|
if (err) {
|
|
while (i) {
|
|
i--;
|
|
if (!i40e_active_tx_ring_index(vsi, i))
|
|
continue;
|
|
i40e_free_tx_resources(&tx_rings[i]);
|
|
}
|
|
kfree(tx_rings);
|
|
tx_rings = NULL;
|
|
|
|
goto done;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* alloc updated Rx resources */
|
|
if (new_rx_count != vsi->rx_rings[0]->count) {
|
|
netdev_info(netdev,
|
|
"Changing Rx descriptor count from %d to %d\n",
|
|
vsi->rx_rings[0]->count, new_rx_count);
|
|
rx_rings = kcalloc(vsi->alloc_queue_pairs,
|
|
sizeof(struct i40e_ring), GFP_KERNEL);
|
|
if (!rx_rings) {
|
|
err = -ENOMEM;
|
|
goto free_tx;
|
|
}
|
|
|
|
for (i = 0; i < vsi->num_queue_pairs; i++) {
|
|
struct i40e_ring *ring;
|
|
u16 unused;
|
|
|
|
/* clone ring and setup updated count */
|
|
rx_rings[i] = *vsi->rx_rings[i];
|
|
rx_rings[i].count = new_rx_count;
|
|
/* the desc and bi pointers will be reallocated in the
|
|
* setup call
|
|
*/
|
|
rx_rings[i].desc = NULL;
|
|
rx_rings[i].rx_bi = NULL;
|
|
/* this is to allow wr32 to have something to write to
|
|
* during early allocation of Rx buffers
|
|
*/
|
|
rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
|
|
err = i40e_setup_rx_descriptors(&rx_rings[i]);
|
|
if (err)
|
|
goto rx_unwind;
|
|
|
|
/* now allocate the Rx buffers to make sure the OS
|
|
* has enough memory, any failure here means abort
|
|
*/
|
|
ring = &rx_rings[i];
|
|
unused = I40E_DESC_UNUSED(ring);
|
|
err = i40e_alloc_rx_buffers(ring, unused);
|
|
rx_unwind:
|
|
if (err) {
|
|
do {
|
|
i40e_free_rx_resources(&rx_rings[i]);
|
|
} while (i--);
|
|
kfree(rx_rings);
|
|
rx_rings = NULL;
|
|
|
|
goto free_tx;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Bring interface down, copy in the new ring info,
|
|
* then restore the interface
|
|
*/
|
|
i40e_down(vsi);
|
|
|
|
if (tx_rings) {
|
|
for (i = 0; i < tx_alloc_queue_pairs; i++) {
|
|
if (i40e_active_tx_ring_index(vsi, i)) {
|
|
i40e_free_tx_resources(vsi->tx_rings[i]);
|
|
*vsi->tx_rings[i] = tx_rings[i];
|
|
}
|
|
}
|
|
kfree(tx_rings);
|
|
tx_rings = NULL;
|
|
}
|
|
|
|
if (rx_rings) {
|
|
for (i = 0; i < vsi->num_queue_pairs; i++) {
|
|
i40e_free_rx_resources(vsi->rx_rings[i]);
|
|
/* get the real tail offset */
|
|
rx_rings[i].tail = vsi->rx_rings[i]->tail;
|
|
/* this is to fake out the allocation routine
|
|
* into thinking it has to realloc everything
|
|
* but the recycling logic will let us re-use
|
|
* the buffers allocated above
|
|
*/
|
|
rx_rings[i].next_to_use = 0;
|
|
rx_rings[i].next_to_clean = 0;
|
|
rx_rings[i].next_to_alloc = 0;
|
|
/* do a struct copy */
|
|
*vsi->rx_rings[i] = rx_rings[i];
|
|
}
|
|
kfree(rx_rings);
|
|
rx_rings = NULL;
|
|
}
|
|
|
|
i40e_up(vsi);
|
|
|
|
free_tx:
|
|
/* error cleanup if the Rx allocations failed after getting Tx */
|
|
if (tx_rings) {
|
|
for (i = 0; i < tx_alloc_queue_pairs; i++) {
|
|
if (i40e_active_tx_ring_index(vsi, i))
|
|
i40e_free_tx_resources(vsi->tx_rings[i]);
|
|
}
|
|
kfree(tx_rings);
|
|
tx_rings = NULL;
|
|
}
|
|
|
|
done:
|
|
clear_bit(__I40E_CONFIG_BUSY, pf->state);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int i40e_get_sset_count(struct net_device *netdev, int sset)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
|
|
switch (sset) {
|
|
case ETH_SS_TEST:
|
|
return I40E_TEST_LEN;
|
|
case ETH_SS_STATS:
|
|
if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
|
|
int len = I40E_PF_STATS_LEN(netdev);
|
|
|
|
if ((pf->lan_veb != I40E_NO_VEB) &&
|
|
(pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
|
|
len += I40E_VEB_STATS_TOTAL;
|
|
return len;
|
|
} else {
|
|
return I40E_VSI_STATS_LEN(netdev);
|
|
}
|
|
case ETH_SS_PRIV_FLAGS:
|
|
return I40E_PRIV_FLAGS_STR_LEN +
|
|
(pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void i40e_get_ethtool_stats(struct net_device *netdev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_ring *tx_ring, *rx_ring;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
unsigned int j;
|
|
int i = 0;
|
|
char *p;
|
|
struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
|
|
unsigned int start;
|
|
|
|
i40e_update_stats(vsi);
|
|
|
|
for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
|
|
p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
|
|
data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
|
|
p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
|
|
data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
rcu_read_lock();
|
|
for (j = 0; j < vsi->num_queue_pairs; j++) {
|
|
tx_ring = READ_ONCE(vsi->tx_rings[j]);
|
|
|
|
if (!tx_ring)
|
|
continue;
|
|
|
|
/* process Tx ring statistics */
|
|
do {
|
|
start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
|
|
data[i] = tx_ring->stats.packets;
|
|
data[i + 1] = tx_ring->stats.bytes;
|
|
} while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
|
|
i += 2;
|
|
|
|
/* Rx ring is the 2nd half of the queue pair */
|
|
rx_ring = &tx_ring[1];
|
|
do {
|
|
start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
|
|
data[i] = rx_ring->stats.packets;
|
|
data[i + 1] = rx_ring->stats.bytes;
|
|
} while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
|
|
i += 2;
|
|
}
|
|
rcu_read_unlock();
|
|
if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
|
|
return;
|
|
|
|
if ((pf->lan_veb != I40E_NO_VEB) &&
|
|
(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
|
|
struct i40e_veb *veb = pf->veb[pf->lan_veb];
|
|
|
|
for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
|
|
p = (char *)veb;
|
|
p += i40e_gstrings_veb_stats[j].stat_offset;
|
|
data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
|
|
data[i++] = veb->tc_stats.tc_tx_packets[j];
|
|
data[i++] = veb->tc_stats.tc_tx_bytes[j];
|
|
data[i++] = veb->tc_stats.tc_rx_packets[j];
|
|
data[i++] = veb->tc_stats.tc_rx_bytes[j];
|
|
}
|
|
}
|
|
for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
|
|
p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
|
|
data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
|
|
data[i++] = pf->stats.priority_xon_tx[j];
|
|
data[i++] = pf->stats.priority_xoff_tx[j];
|
|
}
|
|
for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
|
|
data[i++] = pf->stats.priority_xon_rx[j];
|
|
data[i++] = pf->stats.priority_xoff_rx[j];
|
|
}
|
|
for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
|
|
data[i++] = pf->stats.priority_xon_2_xoff[j];
|
|
}
|
|
|
|
static void i40e_get_strings(struct net_device *netdev, u32 stringset,
|
|
u8 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
char *p = (char *)data;
|
|
unsigned int i;
|
|
|
|
switch (stringset) {
|
|
case ETH_SS_TEST:
|
|
memcpy(data, i40e_gstrings_test,
|
|
I40E_TEST_LEN * ETH_GSTRING_LEN);
|
|
break;
|
|
case ETH_SS_STATS:
|
|
for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "%s",
|
|
i40e_gstrings_net_stats[i].stat_string);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "%s",
|
|
i40e_gstrings_misc_stats[i].stat_string);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < vsi->num_queue_pairs; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
|
|
return;
|
|
|
|
if ((pf->lan_veb != I40E_NO_VEB) &&
|
|
(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
|
|
for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "veb.%s",
|
|
i40e_gstrings_veb_stats[i].stat_string);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"veb.tc_%d_tx_packets", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"veb.tc_%d_tx_bytes", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"veb.tc_%d_rx_packets", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"veb.tc_%d_rx_bytes", i);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "port.%s",
|
|
i40e_gstrings_stats[i].stat_string);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"port.tx_priority_%d_xon", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"port.tx_priority_%d_xoff", i);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"port.rx_priority_%d_xon", i);
|
|
p += ETH_GSTRING_LEN;
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"port.rx_priority_%d_xoff", i);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN,
|
|
"port.rx_priority_%d_xon_2_xoff", i);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
|
|
break;
|
|
case ETH_SS_PRIV_FLAGS:
|
|
for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "%s",
|
|
i40e_gstrings_priv_flags[i].flag_string);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
if (pf->hw.pf_id != 0)
|
|
break;
|
|
for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) {
|
|
snprintf(p, ETH_GSTRING_LEN, "%s",
|
|
i40e_gl_gstrings_priv_flags[i].flag_string);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int i40e_get_ts_info(struct net_device *dev,
|
|
struct ethtool_ts_info *info)
|
|
{
|
|
struct i40e_pf *pf = i40e_netdev_to_pf(dev);
|
|
|
|
/* only report HW timestamping if PTP is enabled */
|
|
if (!(pf->flags & I40E_FLAG_PTP))
|
|
return ethtool_op_get_ts_info(dev, info);
|
|
|
|
info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
|
|
SOF_TIMESTAMPING_RX_SOFTWARE |
|
|
SOF_TIMESTAMPING_SOFTWARE |
|
|
SOF_TIMESTAMPING_TX_HARDWARE |
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
|
|
|
if (pf->ptp_clock)
|
|
info->phc_index = ptp_clock_index(pf->ptp_clock);
|
|
else
|
|
info->phc_index = -1;
|
|
|
|
info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
|
|
|
|
info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
|
|
|
|
if (pf->hw_features & I40E_HW_PTP_L4_CAPABLE)
|
|
info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
|
|
BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i40e_link_test(struct net_device *netdev, u64 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
i40e_status status;
|
|
bool link_up = false;
|
|
|
|
netif_info(pf, hw, netdev, "link test\n");
|
|
status = i40e_get_link_status(&pf->hw, &link_up);
|
|
if (status) {
|
|
netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
|
|
*data = 1;
|
|
return *data;
|
|
}
|
|
|
|
if (link_up)
|
|
*data = 0;
|
|
else
|
|
*data = 1;
|
|
|
|
return *data;
|
|
}
|
|
|
|
static int i40e_reg_test(struct net_device *netdev, u64 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
|
|
netif_info(pf, hw, netdev, "register test\n");
|
|
*data = i40e_diag_reg_test(&pf->hw);
|
|
|
|
return *data;
|
|
}
|
|
|
|
static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
|
|
netif_info(pf, hw, netdev, "eeprom test\n");
|
|
*data = i40e_diag_eeprom_test(&pf->hw);
|
|
|
|
/* forcebly clear the NVM Update state machine */
|
|
pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
|
|
return *data;
|
|
}
|
|
|
|
static int i40e_intr_test(struct net_device *netdev, u64 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
u16 swc_old = pf->sw_int_count;
|
|
|
|
netif_info(pf, hw, netdev, "interrupt test\n");
|
|
wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
|
|
(I40E_PFINT_DYN_CTL0_INTENA_MASK |
|
|
I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
|
|
I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
|
|
I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
|
|
I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
|
|
usleep_range(1000, 2000);
|
|
*data = (swc_old == pf->sw_int_count);
|
|
|
|
return *data;
|
|
}
|
|
|
|
static inline bool i40e_active_vfs(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_vf *vfs = pf->vf;
|
|
int i;
|
|
|
|
for (i = 0; i < pf->num_alloc_vfs; i++)
|
|
if (test_bit(I40E_VF_STATE_ACTIVE, &vfs[i].vf_states))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
|
|
{
|
|
return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
|
|
}
|
|
|
|
static void i40e_diag_test(struct net_device *netdev,
|
|
struct ethtool_test *eth_test, u64 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
bool if_running = netif_running(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
|
|
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
|
|
/* Offline tests */
|
|
netif_info(pf, drv, netdev, "offline testing starting\n");
|
|
|
|
set_bit(__I40E_TESTING, pf->state);
|
|
|
|
if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
|
|
dev_warn(&pf->pdev->dev,
|
|
"Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
|
|
data[I40E_ETH_TEST_REG] = 1;
|
|
data[I40E_ETH_TEST_EEPROM] = 1;
|
|
data[I40E_ETH_TEST_INTR] = 1;
|
|
data[I40E_ETH_TEST_LINK] = 1;
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
clear_bit(__I40E_TESTING, pf->state);
|
|
goto skip_ol_tests;
|
|
}
|
|
|
|
/* If the device is online then take it offline */
|
|
if (if_running)
|
|
/* indicate we're in test mode */
|
|
i40e_close(netdev);
|
|
else
|
|
/* This reset does not affect link - if it is
|
|
* changed to a type of reset that does affect
|
|
* link then the following link test would have
|
|
* to be moved to before the reset
|
|
*/
|
|
i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
|
|
|
|
if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
/* run reg test last, a reset is required after it */
|
|
if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
clear_bit(__I40E_TESTING, pf->state);
|
|
i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
|
|
|
|
if (if_running)
|
|
i40e_open(netdev);
|
|
} else {
|
|
/* Online tests */
|
|
netif_info(pf, drv, netdev, "online testing starting\n");
|
|
|
|
if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
/* Offline only tests, not run in online; pass by default */
|
|
data[I40E_ETH_TEST_REG] = 0;
|
|
data[I40E_ETH_TEST_EEPROM] = 0;
|
|
data[I40E_ETH_TEST_INTR] = 0;
|
|
}
|
|
|
|
skip_ol_tests:
|
|
|
|
netif_info(pf, drv, netdev, "testing finished\n");
|
|
}
|
|
|
|
static void i40e_get_wol(struct net_device *netdev,
|
|
struct ethtool_wolinfo *wol)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u16 wol_nvm_bits;
|
|
|
|
/* NVM bit on means WoL disabled for the port */
|
|
i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
|
|
if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
|
|
wol->supported = 0;
|
|
wol->wolopts = 0;
|
|
} else {
|
|
wol->supported = WAKE_MAGIC;
|
|
wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_set_wol - set the WakeOnLAN configuration
|
|
* @netdev: the netdev in question
|
|
* @wol: the ethtool WoL setting data
|
|
**/
|
|
static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u16 wol_nvm_bits;
|
|
|
|
/* WoL not supported if this isn't the controlling PF on the port */
|
|
if (hw->partition_id != 1) {
|
|
i40e_partition_setting_complaint(pf);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (vsi != pf->vsi[pf->lan_vsi])
|
|
return -EOPNOTSUPP;
|
|
|
|
/* NVM bit on means WoL disabled for the port */
|
|
i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
|
|
if (BIT(hw->port) & wol_nvm_bits)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* only magic packet is supported */
|
|
if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
|
|
return -EOPNOTSUPP;
|
|
|
|
/* is this a new value? */
|
|
if (pf->wol_en != !!wol->wolopts) {
|
|
pf->wol_en = !!wol->wolopts;
|
|
device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i40e_set_phys_id(struct net_device *netdev,
|
|
enum ethtool_phys_id_state state)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
i40e_status ret = 0;
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int blink_freq = 2;
|
|
u16 temp_status;
|
|
|
|
switch (state) {
|
|
case ETHTOOL_ID_ACTIVE:
|
|
if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
|
|
pf->led_status = i40e_led_get(hw);
|
|
} else {
|
|
if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE))
|
|
i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL,
|
|
NULL);
|
|
ret = i40e_led_get_phy(hw, &temp_status,
|
|
&pf->phy_led_val);
|
|
pf->led_status = temp_status;
|
|
}
|
|
return blink_freq;
|
|
case ETHTOOL_ID_ON:
|
|
if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS))
|
|
i40e_led_set(hw, 0xf, false);
|
|
else
|
|
ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
|
|
break;
|
|
case ETHTOOL_ID_OFF:
|
|
if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS))
|
|
i40e_led_set(hw, 0x0, false);
|
|
else
|
|
ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
|
|
break;
|
|
case ETHTOOL_ID_INACTIVE:
|
|
if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
|
|
i40e_led_set(hw, pf->led_status, false);
|
|
} else {
|
|
ret = i40e_led_set_phy(hw, false, pf->led_status,
|
|
(pf->phy_led_val |
|
|
I40E_PHY_LED_MODE_ORIG));
|
|
if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE))
|
|
i40e_aq_set_phy_debug(hw, 0, NULL);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (ret)
|
|
return -ENOENT;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
|
|
* Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
|
|
* 125us (8000 interrupts per second) == ITR(62)
|
|
*/
|
|
|
|
/**
|
|
* __i40e_get_coalesce - get per-queue coalesce settings
|
|
* @netdev: the netdev to check
|
|
* @ec: ethtool coalesce data structure
|
|
* @queue: which queue to pick
|
|
*
|
|
* Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
|
|
* are per queue. If queue is <0 then we default to queue 0 as the
|
|
* representative value.
|
|
**/
|
|
static int __i40e_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec,
|
|
int queue)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_ring *rx_ring, *tx_ring;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
|
|
ec->tx_max_coalesced_frames_irq = vsi->work_limit;
|
|
ec->rx_max_coalesced_frames_irq = vsi->work_limit;
|
|
|
|
/* rx and tx usecs has per queue value. If user doesn't specify the
|
|
* queue, return queue 0's value to represent.
|
|
*/
|
|
if (queue < 0)
|
|
queue = 0;
|
|
else if (queue >= vsi->num_queue_pairs)
|
|
return -EINVAL;
|
|
|
|
rx_ring = vsi->rx_rings[queue];
|
|
tx_ring = vsi->tx_rings[queue];
|
|
|
|
if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
|
|
ec->use_adaptive_rx_coalesce = 1;
|
|
|
|
if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
|
|
ec->use_adaptive_tx_coalesce = 1;
|
|
|
|
ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
|
|
ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;
|
|
|
|
/* we use the _usecs_high to store/set the interrupt rate limit
|
|
* that the hardware supports, that almost but not quite
|
|
* fits the original intent of the ethtool variable,
|
|
* the rx_coalesce_usecs_high limits total interrupts
|
|
* per second from both tx/rx sources.
|
|
*/
|
|
ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
|
|
ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_coalesce - get a netdev's coalesce settings
|
|
* @netdev: the netdev to check
|
|
* @ec: ethtool coalesce data structure
|
|
*
|
|
* Gets the coalesce settings for a particular netdev. Note that if user has
|
|
* modified per-queue settings, this only guarantees to represent queue 0. See
|
|
* __i40e_get_coalesce for more details.
|
|
**/
|
|
static int i40e_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec)
|
|
{
|
|
return __i40e_get_coalesce(netdev, ec, -1);
|
|
}
|
|
|
|
/**
|
|
* i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
|
|
* @netdev: netdev structure
|
|
* @ec: ethtool's coalesce settings
|
|
* @queue: the particular queue to read
|
|
*
|
|
* Will read a specific queue's coalesce settings
|
|
**/
|
|
static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
|
|
struct ethtool_coalesce *ec)
|
|
{
|
|
return __i40e_get_coalesce(netdev, ec, queue);
|
|
}
|
|
|
|
/**
|
|
* i40e_set_itr_per_queue - set ITR values for specific queue
|
|
* @vsi: the VSI to set values for
|
|
* @ec: coalesce settings from ethtool
|
|
* @queue: the queue to modify
|
|
*
|
|
* Change the ITR settings for a specific queue.
|
|
**/
|
|
static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
|
|
struct ethtool_coalesce *ec,
|
|
int queue)
|
|
{
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_q_vector *q_vector;
|
|
u16 vector, intrl;
|
|
|
|
intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit);
|
|
|
|
vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
|
|
vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;
|
|
|
|
if (ec->use_adaptive_rx_coalesce)
|
|
vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
|
|
else
|
|
vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
|
|
|
|
if (ec->use_adaptive_tx_coalesce)
|
|
vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
|
|
else
|
|
vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
|
|
|
|
q_vector = vsi->rx_rings[queue]->q_vector;
|
|
q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
|
|
vector = vsi->base_vector + q_vector->v_idx;
|
|
wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
|
|
|
|
q_vector = vsi->tx_rings[queue]->q_vector;
|
|
q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
|
|
vector = vsi->base_vector + q_vector->v_idx;
|
|
wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
|
|
|
|
wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/**
|
|
* __i40e_set_coalesce - set coalesce settings for particular queue
|
|
* @netdev: the netdev to change
|
|
* @ec: ethtool coalesce settings
|
|
* @queue: the queue to change
|
|
*
|
|
* Sets the coalesce settings for a particular queue.
|
|
**/
|
|
static int __i40e_set_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec,
|
|
int queue)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
u16 intrl_reg, cur_rx_itr, cur_tx_itr;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
int i;
|
|
|
|
if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
|
|
vsi->work_limit = ec->tx_max_coalesced_frames_irq;
|
|
|
|
if (queue < 0) {
|
|
cur_rx_itr = vsi->rx_rings[0]->rx_itr_setting;
|
|
cur_tx_itr = vsi->tx_rings[0]->tx_itr_setting;
|
|
} else if (queue < vsi->num_queue_pairs) {
|
|
cur_rx_itr = vsi->rx_rings[queue]->rx_itr_setting;
|
|
cur_tx_itr = vsi->tx_rings[queue]->tx_itr_setting;
|
|
} else {
|
|
netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
|
|
vsi->num_queue_pairs - 1);
|
|
return -EINVAL;
|
|
}
|
|
|
|
cur_tx_itr &= ~I40E_ITR_DYNAMIC;
|
|
cur_rx_itr &= ~I40E_ITR_DYNAMIC;
|
|
|
|
/* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
|
|
if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
|
|
netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ec->rx_coalesce_usecs_high > INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
|
|
netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-%lu\n",
|
|
INTRL_REG_TO_USEC(I40E_MAX_INTRL));
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ec->rx_coalesce_usecs != cur_rx_itr &&
|
|
ec->use_adaptive_rx_coalesce) {
|
|
netif_info(pf, drv, netdev, "RX interrupt moderation cannot be changed if adaptive-rx is enabled.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1)) {
|
|
netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ec->tx_coalesce_usecs != cur_tx_itr &&
|
|
ec->use_adaptive_tx_coalesce) {
|
|
netif_info(pf, drv, netdev, "TX interrupt moderation cannot be changed if adaptive-tx is enabled.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1)) {
|
|
netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ec->use_adaptive_rx_coalesce && !cur_rx_itr)
|
|
ec->rx_coalesce_usecs = I40E_MIN_ITR << 1;
|
|
|
|
if (ec->use_adaptive_tx_coalesce && !cur_tx_itr)
|
|
ec->tx_coalesce_usecs = I40E_MIN_ITR << 1;
|
|
|
|
intrl_reg = i40e_intrl_usec_to_reg(ec->rx_coalesce_usecs_high);
|
|
vsi->int_rate_limit = INTRL_REG_TO_USEC(intrl_reg);
|
|
if (vsi->int_rate_limit != ec->rx_coalesce_usecs_high) {
|
|
netif_info(pf, drv, netdev, "Interrupt rate limit rounded down to %d\n",
|
|
vsi->int_rate_limit);
|
|
}
|
|
|
|
/* rx and tx usecs has per queue value. If user doesn't specify the
|
|
* queue, apply to all queues.
|
|
*/
|
|
if (queue < 0) {
|
|
for (i = 0; i < vsi->num_queue_pairs; i++)
|
|
i40e_set_itr_per_queue(vsi, ec, i);
|
|
} else {
|
|
i40e_set_itr_per_queue(vsi, ec, queue);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_coalesce - set coalesce settings for every queue on the netdev
|
|
* @netdev: the netdev to change
|
|
* @ec: ethtool coalesce settings
|
|
*
|
|
* This will set each queue to the same coalesce settings.
|
|
**/
|
|
static int i40e_set_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec)
|
|
{
|
|
return __i40e_set_coalesce(netdev, ec, -1);
|
|
}
|
|
|
|
/**
|
|
* i40e_set_per_queue_coalesce - set specific queue's coalesce settings
|
|
* @netdev: the netdev to change
|
|
* @ec: ethtool's coalesce settings
|
|
* @queue: the queue to change
|
|
*
|
|
* Sets the specified queue's coalesce settings.
|
|
**/
|
|
static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
|
|
struct ethtool_coalesce *ec)
|
|
{
|
|
return __i40e_set_coalesce(netdev, ec, queue);
|
|
}
|
|
|
|
/**
|
|
* i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
|
|
* @pf: pointer to the physical function struct
|
|
* @cmd: ethtool rxnfc command
|
|
*
|
|
* Returns Success if the flow is supported, else Invalid Input.
|
|
**/
|
|
static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u8 flow_pctype = 0;
|
|
u64 i_set = 0;
|
|
|
|
cmd->data = 0;
|
|
|
|
switch (cmd->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
|
|
break;
|
|
case TCP_V6_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
|
|
break;
|
|
case SCTP_V4_FLOW:
|
|
case AH_ESP_V4_FLOW:
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case IPV4_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
case AH_ESP_V6_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case IPV6_FLOW:
|
|
/* Default is src/dest for IP, no matter the L4 hashing */
|
|
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Read flow based hash input set register */
|
|
if (flow_pctype) {
|
|
i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
|
|
flow_pctype)) |
|
|
((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
|
|
flow_pctype)) << 32);
|
|
}
|
|
|
|
/* Process bits of hash input set */
|
|
if (i_set) {
|
|
if (i_set & I40E_L4_SRC_MASK)
|
|
cmd->data |= RXH_L4_B_0_1;
|
|
if (i_set & I40E_L4_DST_MASK)
|
|
cmd->data |= RXH_L4_B_2_3;
|
|
|
|
if (cmd->flow_type == TCP_V4_FLOW ||
|
|
cmd->flow_type == UDP_V4_FLOW) {
|
|
if (i_set & I40E_L3_SRC_MASK)
|
|
cmd->data |= RXH_IP_SRC;
|
|
if (i_set & I40E_L3_DST_MASK)
|
|
cmd->data |= RXH_IP_DST;
|
|
} else if (cmd->flow_type == TCP_V6_FLOW ||
|
|
cmd->flow_type == UDP_V6_FLOW) {
|
|
if (i_set & I40E_L3_V6_SRC_MASK)
|
|
cmd->data |= RXH_IP_SRC;
|
|
if (i_set & I40E_L3_V6_DST_MASK)
|
|
cmd->data |= RXH_IP_DST;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_check_mask - Check whether a mask field is set
|
|
* @mask: the full mask value
|
|
* @field; mask of the field to check
|
|
*
|
|
* If the given mask is fully set, return positive value. If the mask for the
|
|
* field is fully unset, return zero. Otherwise return a negative error code.
|
|
**/
|
|
static int i40e_check_mask(u64 mask, u64 field)
|
|
{
|
|
u64 value = mask & field;
|
|
|
|
if (value == field)
|
|
return 1;
|
|
else if (!value)
|
|
return 0;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* i40e_parse_rx_flow_user_data - Deconstruct user-defined data
|
|
* @fsp: pointer to rx flow specification
|
|
* @data: pointer to userdef data structure for storage
|
|
*
|
|
* Read the user-defined data and deconstruct the value into a structure. No
|
|
* other code should read the user-defined data, so as to ensure that every
|
|
* place consistently reads the value correctly.
|
|
*
|
|
* The user-defined field is a 64bit Big Endian format value, which we
|
|
* deconstruct by reading bits or bit fields from it. Single bit flags shall
|
|
* be defined starting from the highest bits, while small bit field values
|
|
* shall be defined starting from the lowest bits.
|
|
*
|
|
* Returns 0 if the data is valid, and non-zero if the userdef data is invalid
|
|
* and the filter should be rejected. The data structure will always be
|
|
* modified even if FLOW_EXT is not set.
|
|
*
|
|
**/
|
|
static int i40e_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
|
|
struct i40e_rx_flow_userdef *data)
|
|
{
|
|
u64 value, mask;
|
|
int valid;
|
|
|
|
/* Zero memory first so it's always consistent. */
|
|
memset(data, 0, sizeof(*data));
|
|
|
|
if (!(fsp->flow_type & FLOW_EXT))
|
|
return 0;
|
|
|
|
value = be64_to_cpu(*((__be64 *)fsp->h_ext.data));
|
|
mask = be64_to_cpu(*((__be64 *)fsp->m_ext.data));
|
|
|
|
#define I40E_USERDEF_FLEX_WORD GENMASK_ULL(15, 0)
|
|
#define I40E_USERDEF_FLEX_OFFSET GENMASK_ULL(31, 16)
|
|
#define I40E_USERDEF_FLEX_FILTER GENMASK_ULL(31, 0)
|
|
|
|
valid = i40e_check_mask(mask, I40E_USERDEF_FLEX_FILTER);
|
|
if (valid < 0) {
|
|
return -EINVAL;
|
|
} else if (valid) {
|
|
data->flex_word = value & I40E_USERDEF_FLEX_WORD;
|
|
data->flex_offset =
|
|
(value & I40E_USERDEF_FLEX_OFFSET) >> 16;
|
|
data->flex_filter = true;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_fill_rx_flow_user_data - Fill in user-defined data field
|
|
* @fsp: pointer to rx_flow specification
|
|
*
|
|
* Reads the userdef data structure and properly fills in the user defined
|
|
* fields of the rx_flow_spec.
|
|
**/
|
|
static void i40e_fill_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
|
|
struct i40e_rx_flow_userdef *data)
|
|
{
|
|
u64 value = 0, mask = 0;
|
|
|
|
if (data->flex_filter) {
|
|
value |= data->flex_word;
|
|
value |= (u64)data->flex_offset << 16;
|
|
mask |= I40E_USERDEF_FLEX_FILTER;
|
|
}
|
|
|
|
if (value || mask)
|
|
fsp->flow_type |= FLOW_EXT;
|
|
|
|
*((__be64 *)fsp->h_ext.data) = cpu_to_be64(value);
|
|
*((__be64 *)fsp->m_ext.data) = cpu_to_be64(mask);
|
|
}
|
|
|
|
/**
|
|
* i40e_get_ethtool_fdir_all - Populates the rule count of a command
|
|
* @pf: Pointer to the physical function struct
|
|
* @cmd: The command to get or set Rx flow classification rules
|
|
* @rule_locs: Array of used rule locations
|
|
*
|
|
* This function populates both the total and actual rule count of
|
|
* the ethtool flow classification command
|
|
*
|
|
* Returns 0 on success or -EMSGSIZE if entry not found
|
|
**/
|
|
static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
|
|
struct ethtool_rxnfc *cmd,
|
|
u32 *rule_locs)
|
|
{
|
|
struct i40e_fdir_filter *rule;
|
|
struct hlist_node *node2;
|
|
int cnt = 0;
|
|
|
|
/* report total rule count */
|
|
cmd->data = i40e_get_fd_cnt_all(pf);
|
|
|
|
hlist_for_each_entry_safe(rule, node2,
|
|
&pf->fdir_filter_list, fdir_node) {
|
|
if (cnt == cmd->rule_cnt)
|
|
return -EMSGSIZE;
|
|
|
|
rule_locs[cnt] = rule->fd_id;
|
|
cnt++;
|
|
}
|
|
|
|
cmd->rule_cnt = cnt;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
|
|
* @pf: Pointer to the physical function struct
|
|
* @cmd: The command to get or set Rx flow classification rules
|
|
*
|
|
* This function looks up a filter based on the Rx flow classification
|
|
* command and fills the flow spec info for it if found
|
|
*
|
|
* Returns 0 on success or -EINVAL if filter not found
|
|
**/
|
|
static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct ethtool_rx_flow_spec *fsp =
|
|
(struct ethtool_rx_flow_spec *)&cmd->fs;
|
|
struct i40e_rx_flow_userdef userdef = {0};
|
|
struct i40e_fdir_filter *rule = NULL;
|
|
struct hlist_node *node2;
|
|
u64 input_set;
|
|
u16 index;
|
|
|
|
hlist_for_each_entry_safe(rule, node2,
|
|
&pf->fdir_filter_list, fdir_node) {
|
|
if (fsp->location <= rule->fd_id)
|
|
break;
|
|
}
|
|
|
|
if (!rule || fsp->location != rule->fd_id)
|
|
return -EINVAL;
|
|
|
|
fsp->flow_type = rule->flow_type;
|
|
if (fsp->flow_type == IP_USER_FLOW) {
|
|
fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
|
|
fsp->h_u.usr_ip4_spec.proto = 0;
|
|
fsp->m_u.usr_ip4_spec.proto = 0;
|
|
}
|
|
|
|
/* Reverse the src and dest notion, since the HW views them from
|
|
* Tx perspective where as the user expects it from Rx filter view.
|
|
*/
|
|
fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
|
|
fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
|
|
fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip;
|
|
fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip;
|
|
|
|
switch (rule->flow_type) {
|
|
case SCTP_V4_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP;
|
|
break;
|
|
case TCP_V4_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
|
|
break;
|
|
case IP_USER_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
|
|
break;
|
|
default:
|
|
/* If we have stored a filter with a flow type not listed here
|
|
* it is almost certainly a driver bug. WARN(), and then
|
|
* assign the input_set as if all fields are enabled to avoid
|
|
* reading unassigned memory.
|
|
*/
|
|
WARN(1, "Missing input set index for flow_type %d\n",
|
|
rule->flow_type);
|
|
input_set = 0xFFFFFFFFFFFFFFFFULL;
|
|
goto no_input_set;
|
|
}
|
|
|
|
input_set = i40e_read_fd_input_set(pf, index);
|
|
|
|
no_input_set:
|
|
if (input_set & I40E_L3_SRC_MASK)
|
|
fsp->m_u.tcp_ip4_spec.ip4src = htonl(0xFFFF);
|
|
|
|
if (input_set & I40E_L3_DST_MASK)
|
|
fsp->m_u.tcp_ip4_spec.ip4dst = htonl(0xFFFF);
|
|
|
|
if (input_set & I40E_L4_SRC_MASK)
|
|
fsp->m_u.tcp_ip4_spec.psrc = htons(0xFFFFFFFF);
|
|
|
|
if (input_set & I40E_L4_DST_MASK)
|
|
fsp->m_u.tcp_ip4_spec.pdst = htons(0xFFFFFFFF);
|
|
|
|
if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
|
|
fsp->ring_cookie = RX_CLS_FLOW_DISC;
|
|
else
|
|
fsp->ring_cookie = rule->q_index;
|
|
|
|
if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
|
|
struct i40e_vsi *vsi;
|
|
|
|
vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
|
|
if (vsi && vsi->type == I40E_VSI_SRIOV) {
|
|
/* VFs are zero-indexed by the driver, but ethtool
|
|
* expects them to be one-indexed, so add one here
|
|
*/
|
|
u64 ring_vf = vsi->vf_id + 1;
|
|
|
|
ring_vf <<= ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF;
|
|
fsp->ring_cookie |= ring_vf;
|
|
}
|
|
}
|
|
|
|
if (rule->flex_filter) {
|
|
userdef.flex_filter = true;
|
|
userdef.flex_word = be16_to_cpu(rule->flex_word);
|
|
userdef.flex_offset = rule->flex_offset;
|
|
}
|
|
|
|
i40e_fill_rx_flow_user_data(fsp, &userdef);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_rxnfc - command to get RX flow classification rules
|
|
* @netdev: network interface device structure
|
|
* @cmd: ethtool rxnfc command
|
|
*
|
|
* Returns Success if the command is supported.
|
|
**/
|
|
static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
|
|
u32 *rule_locs)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
int ret = -EOPNOTSUPP;
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
cmd->data = vsi->rss_size;
|
|
ret = 0;
|
|
break;
|
|
case ETHTOOL_GRXFH:
|
|
ret = i40e_get_rss_hash_opts(pf, cmd);
|
|
break;
|
|
case ETHTOOL_GRXCLSRLCNT:
|
|
cmd->rule_cnt = pf->fdir_pf_active_filters;
|
|
/* report total rule count */
|
|
cmd->data = i40e_get_fd_cnt_all(pf);
|
|
ret = 0;
|
|
break;
|
|
case ETHTOOL_GRXCLSRULE:
|
|
ret = i40e_get_ethtool_fdir_entry(pf, cmd);
|
|
break;
|
|
case ETHTOOL_GRXCLSRLALL:
|
|
ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_rss_hash_bits - Read RSS Hash bits from register
|
|
* @nfc: pointer to user request
|
|
* @i_setc bits currently set
|
|
*
|
|
* Returns value of bits to be set per user request
|
|
**/
|
|
static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
|
|
{
|
|
u64 i_set = i_setc;
|
|
u64 src_l3 = 0, dst_l3 = 0;
|
|
|
|
if (nfc->data & RXH_L4_B_0_1)
|
|
i_set |= I40E_L4_SRC_MASK;
|
|
else
|
|
i_set &= ~I40E_L4_SRC_MASK;
|
|
if (nfc->data & RXH_L4_B_2_3)
|
|
i_set |= I40E_L4_DST_MASK;
|
|
else
|
|
i_set &= ~I40E_L4_DST_MASK;
|
|
|
|
if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
|
|
src_l3 = I40E_L3_V6_SRC_MASK;
|
|
dst_l3 = I40E_L3_V6_DST_MASK;
|
|
} else if (nfc->flow_type == TCP_V4_FLOW ||
|
|
nfc->flow_type == UDP_V4_FLOW) {
|
|
src_l3 = I40E_L3_SRC_MASK;
|
|
dst_l3 = I40E_L3_DST_MASK;
|
|
} else {
|
|
/* Any other flow type are not supported here */
|
|
return i_set;
|
|
}
|
|
|
|
if (nfc->data & RXH_IP_SRC)
|
|
i_set |= src_l3;
|
|
else
|
|
i_set &= ~src_l3;
|
|
if (nfc->data & RXH_IP_DST)
|
|
i_set |= dst_l3;
|
|
else
|
|
i_set &= ~dst_l3;
|
|
|
|
return i_set;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
|
|
* @pf: pointer to the physical function struct
|
|
* @cmd: ethtool rxnfc command
|
|
*
|
|
* Returns Success if the flow input set is supported.
|
|
**/
|
|
static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
|
|
((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
|
|
u8 flow_pctype = 0;
|
|
u64 i_set, i_setc;
|
|
|
|
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Change of RSS hash input set is not supported when MFP mode is enabled\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/* RSS does not support anything other than hashing
|
|
* to queues on src and dst IPs and ports
|
|
*/
|
|
if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
|
|
RXH_L4_B_0_1 | RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
|
|
switch (nfc->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
|
|
if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
|
|
hena |=
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
|
|
break;
|
|
case TCP_V6_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
|
|
if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
|
|
hena |=
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
|
|
if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
|
|
hena |=
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
|
|
if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
|
|
hena |=
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
|
|
|
|
hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
|
|
if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
|
|
hena |=
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
|
|
BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
|
|
|
|
hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
|
|
break;
|
|
case AH_ESP_V4_FLOW:
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case SCTP_V4_FLOW:
|
|
if ((nfc->data & RXH_L4_B_0_1) ||
|
|
(nfc->data & RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
|
|
break;
|
|
case AH_ESP_V6_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
if ((nfc->data & RXH_L4_B_0_1) ||
|
|
(nfc->data & RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
|
|
break;
|
|
case IPV4_FLOW:
|
|
hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
|
|
BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
|
|
break;
|
|
case IPV6_FLOW:
|
|
hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
|
|
BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (flow_pctype) {
|
|
i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
|
|
flow_pctype)) |
|
|
((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
|
|
flow_pctype)) << 32);
|
|
i_set = i40e_get_rss_hash_bits(nfc, i_setc);
|
|
i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
|
|
(u32)i_set);
|
|
i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
|
|
(u32)(i_set >> 32));
|
|
hena |= BIT_ULL(flow_pctype);
|
|
}
|
|
|
|
i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
|
|
i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
|
|
i40e_flush(hw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
|
|
* @vsi: Pointer to the targeted VSI
|
|
* @input: The filter to update or NULL to indicate deletion
|
|
* @sw_idx: Software index to the filter
|
|
* @cmd: The command to get or set Rx flow classification rules
|
|
*
|
|
* This function updates (or deletes) a Flow Director entry from
|
|
* the hlist of the corresponding PF
|
|
*
|
|
* Returns 0 on success
|
|
**/
|
|
static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
|
|
struct i40e_fdir_filter *input,
|
|
u16 sw_idx,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct i40e_fdir_filter *rule, *parent;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct hlist_node *node2;
|
|
int err = -EINVAL;
|
|
|
|
parent = NULL;
|
|
rule = NULL;
|
|
|
|
hlist_for_each_entry_safe(rule, node2,
|
|
&pf->fdir_filter_list, fdir_node) {
|
|
/* hash found, or no matching entry */
|
|
if (rule->fd_id >= sw_idx)
|
|
break;
|
|
parent = rule;
|
|
}
|
|
|
|
/* if there is an old rule occupying our place remove it */
|
|
if (rule && (rule->fd_id == sw_idx)) {
|
|
/* Remove this rule, since we're either deleting it, or
|
|
* replacing it.
|
|
*/
|
|
err = i40e_add_del_fdir(vsi, rule, false);
|
|
hlist_del(&rule->fdir_node);
|
|
kfree(rule);
|
|
pf->fdir_pf_active_filters--;
|
|
}
|
|
|
|
/* If we weren't given an input, this is a delete, so just return the
|
|
* error code indicating if there was an entry at the requested slot
|
|
*/
|
|
if (!input)
|
|
return err;
|
|
|
|
/* Otherwise, install the new rule as requested */
|
|
INIT_HLIST_NODE(&input->fdir_node);
|
|
|
|
/* add filter to the list */
|
|
if (parent)
|
|
hlist_add_behind(&input->fdir_node, &parent->fdir_node);
|
|
else
|
|
hlist_add_head(&input->fdir_node,
|
|
&pf->fdir_filter_list);
|
|
|
|
/* update counts */
|
|
pf->fdir_pf_active_filters++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_prune_flex_pit_list - Cleanup unused entries in FLX_PIT table
|
|
* @pf: pointer to PF structure
|
|
*
|
|
* This function searches the list of filters and determines which FLX_PIT
|
|
* entries are still required. It will prune any entries which are no longer
|
|
* in use after the deletion.
|
|
**/
|
|
static void i40e_prune_flex_pit_list(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_flex_pit *entry, *tmp;
|
|
struct i40e_fdir_filter *rule;
|
|
|
|
/* First, we'll check the l3 table */
|
|
list_for_each_entry_safe(entry, tmp, &pf->l3_flex_pit_list, list) {
|
|
bool found = false;
|
|
|
|
hlist_for_each_entry(rule, &pf->fdir_filter_list, fdir_node) {
|
|
if (rule->flow_type != IP_USER_FLOW)
|
|
continue;
|
|
if (rule->flex_filter &&
|
|
rule->flex_offset == entry->src_offset) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* If we didn't find the filter, then we can prune this entry
|
|
* from the list.
|
|
*/
|
|
if (!found) {
|
|
list_del(&entry->list);
|
|
kfree(entry);
|
|
}
|
|
}
|
|
|
|
/* Followed by the L4 table */
|
|
list_for_each_entry_safe(entry, tmp, &pf->l4_flex_pit_list, list) {
|
|
bool found = false;
|
|
|
|
hlist_for_each_entry(rule, &pf->fdir_filter_list, fdir_node) {
|
|
/* Skip this filter if it's L3, since we already
|
|
* checked those in the above loop
|
|
*/
|
|
if (rule->flow_type == IP_USER_FLOW)
|
|
continue;
|
|
if (rule->flex_filter &&
|
|
rule->flex_offset == entry->src_offset) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* If we didn't find the filter, then we can prune this entry
|
|
* from the list.
|
|
*/
|
|
if (!found) {
|
|
list_del(&entry->list);
|
|
kfree(entry);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_del_fdir_entry - Deletes a Flow Director filter entry
|
|
* @vsi: Pointer to the targeted VSI
|
|
* @cmd: The command to get or set Rx flow classification rules
|
|
*
|
|
* The function removes a Flow Director filter entry from the
|
|
* hlist of the corresponding PF
|
|
*
|
|
* Returns 0 on success
|
|
*/
|
|
static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct ethtool_rx_flow_spec *fsp =
|
|
(struct ethtool_rx_flow_spec *)&cmd->fs;
|
|
struct i40e_pf *pf = vsi->back;
|
|
int ret = 0;
|
|
|
|
if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
|
|
test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
|
|
return -EBUSY;
|
|
|
|
if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state))
|
|
return -EBUSY;
|
|
|
|
ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
|
|
|
|
i40e_prune_flex_pit_list(pf);
|
|
|
|
i40e_fdir_check_and_reenable(pf);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_unused_pit_index - Find an unused PIT index for given list
|
|
* @pf: the PF data structure
|
|
*
|
|
* Find the first unused flexible PIT index entry. We search both the L3 and
|
|
* L4 flexible PIT lists so that the returned index is unique and unused by
|
|
* either currently programmed L3 or L4 filters. We use a bit field as storage
|
|
* to track which indexes are already used.
|
|
**/
|
|
static u8 i40e_unused_pit_index(struct i40e_pf *pf)
|
|
{
|
|
unsigned long available_index = 0xFF;
|
|
struct i40e_flex_pit *entry;
|
|
|
|
/* We need to make sure that the new index isn't in use by either L3
|
|
* or L4 filters so that IP_USER_FLOW filters can program both L3 and
|
|
* L4 to use the same index.
|
|
*/
|
|
|
|
list_for_each_entry(entry, &pf->l4_flex_pit_list, list)
|
|
clear_bit(entry->pit_index, &available_index);
|
|
|
|
list_for_each_entry(entry, &pf->l3_flex_pit_list, list)
|
|
clear_bit(entry->pit_index, &available_index);
|
|
|
|
return find_first_bit(&available_index, 8);
|
|
}
|
|
|
|
/**
|
|
* i40e_find_flex_offset - Find an existing flex src_offset
|
|
* @flex_pit_list: L3 or L4 flex PIT list
|
|
* @src_offset: new src_offset to find
|
|
*
|
|
* Searches the flex_pit_list for an existing offset. If no offset is
|
|
* currently programmed, then this will return an ERR_PTR if there is no space
|
|
* to add a new offset, otherwise it returns NULL.
|
|
**/
|
|
static
|
|
struct i40e_flex_pit *i40e_find_flex_offset(struct list_head *flex_pit_list,
|
|
u16 src_offset)
|
|
{
|
|
struct i40e_flex_pit *entry;
|
|
int size = 0;
|
|
|
|
/* Search for the src_offset first. If we find a matching entry
|
|
* already programmed, we can simply re-use it.
|
|
*/
|
|
list_for_each_entry(entry, flex_pit_list, list) {
|
|
size++;
|
|
if (entry->src_offset == src_offset)
|
|
return entry;
|
|
}
|
|
|
|
/* If we haven't found an entry yet, then the provided src offset has
|
|
* not yet been programmed. We will program the src offset later on,
|
|
* but we need to indicate whether there is enough space to do so
|
|
* here. We'll make use of ERR_PTR for this purpose.
|
|
*/
|
|
if (size >= I40E_FLEX_PIT_TABLE_SIZE)
|
|
return ERR_PTR(-ENOSPC);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* i40e_add_flex_offset - Add src_offset to flex PIT table list
|
|
* @flex_pit_list: L3 or L4 flex PIT list
|
|
* @src_offset: new src_offset to add
|
|
* @pit_index: the PIT index to program
|
|
*
|
|
* This function programs the new src_offset to the list. It is expected that
|
|
* i40e_find_flex_offset has already been tried and returned NULL, indicating
|
|
* that this offset is not programmed, and that the list has enough space to
|
|
* store another offset.
|
|
*
|
|
* Returns 0 on success, and negative value on error.
|
|
**/
|
|
static int i40e_add_flex_offset(struct list_head *flex_pit_list,
|
|
u16 src_offset,
|
|
u8 pit_index)
|
|
{
|
|
struct i40e_flex_pit *new_pit, *entry;
|
|
|
|
new_pit = kzalloc(sizeof(*entry), GFP_KERNEL);
|
|
if (!new_pit)
|
|
return -ENOMEM;
|
|
|
|
new_pit->src_offset = src_offset;
|
|
new_pit->pit_index = pit_index;
|
|
|
|
/* We need to insert this item such that the list is sorted by
|
|
* src_offset in ascending order.
|
|
*/
|
|
list_for_each_entry(entry, flex_pit_list, list) {
|
|
if (new_pit->src_offset < entry->src_offset) {
|
|
list_add_tail(&new_pit->list, &entry->list);
|
|
return 0;
|
|
}
|
|
|
|
/* If we found an entry with our offset already programmed we
|
|
* can simply return here, after freeing the memory. However,
|
|
* if the pit_index does not match we need to report an error.
|
|
*/
|
|
if (new_pit->src_offset == entry->src_offset) {
|
|
int err = 0;
|
|
|
|
/* If the PIT index is not the same we can't re-use
|
|
* the entry, so we must report an error.
|
|
*/
|
|
if (new_pit->pit_index != entry->pit_index)
|
|
err = -EINVAL;
|
|
|
|
kfree(new_pit);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
/* If we reached here, then we haven't yet added the item. This means
|
|
* that we should add the item at the end of the list.
|
|
*/
|
|
list_add_tail(&new_pit->list, flex_pit_list);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* __i40e_reprogram_flex_pit - Re-program specific FLX_PIT table
|
|
* @pf: Pointer to the PF structure
|
|
* @flex_pit_list: list of flexible src offsets in use
|
|
* #flex_pit_start: index to first entry for this section of the table
|
|
*
|
|
* In order to handle flexible data, the hardware uses a table of values
|
|
* called the FLX_PIT table. This table is used to indicate which sections of
|
|
* the input correspond to what PIT index values. Unfortunately, hardware is
|
|
* very restrictive about programming this table. Entries must be ordered by
|
|
* src_offset in ascending order, without duplicates. Additionally, unused
|
|
* entries must be set to the unused index value, and must have valid size and
|
|
* length according to the src_offset ordering.
|
|
*
|
|
* This function will reprogram the FLX_PIT register from a book-keeping
|
|
* structure that we guarantee is already ordered correctly, and has no more
|
|
* than 3 entries.
|
|
*
|
|
* To make things easier, we only support flexible values of one word length,
|
|
* rather than allowing variable length flexible values.
|
|
**/
|
|
static void __i40e_reprogram_flex_pit(struct i40e_pf *pf,
|
|
struct list_head *flex_pit_list,
|
|
int flex_pit_start)
|
|
{
|
|
struct i40e_flex_pit *entry = NULL;
|
|
u16 last_offset = 0;
|
|
int i = 0, j = 0;
|
|
|
|
/* First, loop over the list of flex PIT entries, and reprogram the
|
|
* registers.
|
|
*/
|
|
list_for_each_entry(entry, flex_pit_list, list) {
|
|
/* We have to be careful when programming values for the
|
|
* largest SRC_OFFSET value. It is possible that adding
|
|
* additional empty values at the end would overflow the space
|
|
* for the SRC_OFFSET in the FLX_PIT register. To avoid this,
|
|
* we check here and add the empty values prior to adding the
|
|
* largest value.
|
|
*
|
|
* To determine this, we will use a loop from i+1 to 3, which
|
|
* will determine whether the unused entries would have valid
|
|
* SRC_OFFSET. Note that there cannot be extra entries past
|
|
* this value, because the only valid values would have been
|
|
* larger than I40E_MAX_FLEX_SRC_OFFSET, and thus would not
|
|
* have been added to the list in the first place.
|
|
*/
|
|
for (j = i + 1; j < 3; j++) {
|
|
u16 offset = entry->src_offset + j;
|
|
int index = flex_pit_start + i;
|
|
u32 value = I40E_FLEX_PREP_VAL(I40E_FLEX_DEST_UNUSED,
|
|
1,
|
|
offset - 3);
|
|
|
|
if (offset > I40E_MAX_FLEX_SRC_OFFSET) {
|
|
i40e_write_rx_ctl(&pf->hw,
|
|
I40E_PRTQF_FLX_PIT(index),
|
|
value);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
/* Now, we can program the actual value into the table */
|
|
i40e_write_rx_ctl(&pf->hw,
|
|
I40E_PRTQF_FLX_PIT(flex_pit_start + i),
|
|
I40E_FLEX_PREP_VAL(entry->pit_index + 50,
|
|
1,
|
|
entry->src_offset));
|
|
i++;
|
|
}
|
|
|
|
/* In order to program the last entries in the table, we need to
|
|
* determine the valid offset. If the list is empty, we'll just start
|
|
* with 0. Otherwise, we'll start with the last item offset and add 1.
|
|
* This ensures that all entries have valid sizes. If we don't do this
|
|
* correctly, the hardware will disable flexible field parsing.
|
|
*/
|
|
if (!list_empty(flex_pit_list))
|
|
last_offset = list_prev_entry(entry, list)->src_offset + 1;
|
|
|
|
for (; i < 3; i++, last_offset++) {
|
|
i40e_write_rx_ctl(&pf->hw,
|
|
I40E_PRTQF_FLX_PIT(flex_pit_start + i),
|
|
I40E_FLEX_PREP_VAL(I40E_FLEX_DEST_UNUSED,
|
|
1,
|
|
last_offset));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_reprogram_flex_pit - Reprogram all FLX_PIT tables after input set change
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* This function reprograms both the L3 and L4 FLX_PIT tables. See the
|
|
* internal helper function for implementation details.
|
|
**/
|
|
static void i40e_reprogram_flex_pit(struct i40e_pf *pf)
|
|
{
|
|
__i40e_reprogram_flex_pit(pf, &pf->l3_flex_pit_list,
|
|
I40E_FLEX_PIT_IDX_START_L3);
|
|
|
|
__i40e_reprogram_flex_pit(pf, &pf->l4_flex_pit_list,
|
|
I40E_FLEX_PIT_IDX_START_L4);
|
|
|
|
/* We also need to program the L3 and L4 GLQF ORT register */
|
|
i40e_write_rx_ctl(&pf->hw,
|
|
I40E_GLQF_ORT(I40E_L3_GLQF_ORT_IDX),
|
|
I40E_ORT_PREP_VAL(I40E_FLEX_PIT_IDX_START_L3,
|
|
3, 1));
|
|
|
|
i40e_write_rx_ctl(&pf->hw,
|
|
I40E_GLQF_ORT(I40E_L4_GLQF_ORT_IDX),
|
|
I40E_ORT_PREP_VAL(I40E_FLEX_PIT_IDX_START_L4,
|
|
3, 1));
|
|
}
|
|
|
|
/**
|
|
* i40e_flow_str - Converts a flow_type into a human readable string
|
|
* @flow_type: the flow type from a flow specification
|
|
*
|
|
* Currently only flow types we support are included here, and the string
|
|
* value attempts to match what ethtool would use to configure this flow type.
|
|
**/
|
|
static const char *i40e_flow_str(struct ethtool_rx_flow_spec *fsp)
|
|
{
|
|
switch (fsp->flow_type & ~FLOW_EXT) {
|
|
case TCP_V4_FLOW:
|
|
return "tcp4";
|
|
case UDP_V4_FLOW:
|
|
return "udp4";
|
|
case SCTP_V4_FLOW:
|
|
return "sctp4";
|
|
case IP_USER_FLOW:
|
|
return "ip4";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_pit_index_to_mask - Return the FLEX mask for a given PIT index
|
|
* @pit_index: PIT index to convert
|
|
*
|
|
* Returns the mask for a given PIT index. Will return 0 if the pit_index is
|
|
* of range.
|
|
**/
|
|
static u64 i40e_pit_index_to_mask(int pit_index)
|
|
{
|
|
switch (pit_index) {
|
|
case 0:
|
|
return I40E_FLEX_50_MASK;
|
|
case 1:
|
|
return I40E_FLEX_51_MASK;
|
|
case 2:
|
|
return I40E_FLEX_52_MASK;
|
|
case 3:
|
|
return I40E_FLEX_53_MASK;
|
|
case 4:
|
|
return I40E_FLEX_54_MASK;
|
|
case 5:
|
|
return I40E_FLEX_55_MASK;
|
|
case 6:
|
|
return I40E_FLEX_56_MASK;
|
|
case 7:
|
|
return I40E_FLEX_57_MASK;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_print_input_set - Show changes between two input sets
|
|
* @vsi: the vsi being configured
|
|
* @old: the old input set
|
|
* @new: the new input set
|
|
*
|
|
* Print the difference between old and new input sets by showing which series
|
|
* of words are toggled on or off. Only displays the bits we actually support
|
|
* changing.
|
|
**/
|
|
static void i40e_print_input_set(struct i40e_vsi *vsi, u64 old, u64 new)
|
|
{
|
|
struct i40e_pf *pf = vsi->back;
|
|
bool old_value, new_value;
|
|
int i;
|
|
|
|
old_value = !!(old & I40E_L3_SRC_MASK);
|
|
new_value = !!(new & I40E_L3_SRC_MASK);
|
|
if (old_value != new_value)
|
|
netif_info(pf, drv, vsi->netdev, "L3 source address: %s -> %s\n",
|
|
old_value ? "ON" : "OFF",
|
|
new_value ? "ON" : "OFF");
|
|
|
|
old_value = !!(old & I40E_L3_DST_MASK);
|
|
new_value = !!(new & I40E_L3_DST_MASK);
|
|
if (old_value != new_value)
|
|
netif_info(pf, drv, vsi->netdev, "L3 destination address: %s -> %s\n",
|
|
old_value ? "ON" : "OFF",
|
|
new_value ? "ON" : "OFF");
|
|
|
|
old_value = !!(old & I40E_L4_SRC_MASK);
|
|
new_value = !!(new & I40E_L4_SRC_MASK);
|
|
if (old_value != new_value)
|
|
netif_info(pf, drv, vsi->netdev, "L4 source port: %s -> %s\n",
|
|
old_value ? "ON" : "OFF",
|
|
new_value ? "ON" : "OFF");
|
|
|
|
old_value = !!(old & I40E_L4_DST_MASK);
|
|
new_value = !!(new & I40E_L4_DST_MASK);
|
|
if (old_value != new_value)
|
|
netif_info(pf, drv, vsi->netdev, "L4 destination port: %s -> %s\n",
|
|
old_value ? "ON" : "OFF",
|
|
new_value ? "ON" : "OFF");
|
|
|
|
old_value = !!(old & I40E_VERIFY_TAG_MASK);
|
|
new_value = !!(new & I40E_VERIFY_TAG_MASK);
|
|
if (old_value != new_value)
|
|
netif_info(pf, drv, vsi->netdev, "SCTP verification tag: %s -> %s\n",
|
|
old_value ? "ON" : "OFF",
|
|
new_value ? "ON" : "OFF");
|
|
|
|
/* Show change of flexible filter entries */
|
|
for (i = 0; i < I40E_FLEX_INDEX_ENTRIES; i++) {
|
|
u64 flex_mask = i40e_pit_index_to_mask(i);
|
|
|
|
old_value = !!(old & flex_mask);
|
|
new_value = !!(new & flex_mask);
|
|
if (old_value != new_value)
|
|
netif_info(pf, drv, vsi->netdev, "FLEX index %d: %s -> %s\n",
|
|
i,
|
|
old_value ? "ON" : "OFF",
|
|
new_value ? "ON" : "OFF");
|
|
}
|
|
|
|
netif_info(pf, drv, vsi->netdev, " Current input set: %0llx\n",
|
|
old);
|
|
netif_info(pf, drv, vsi->netdev, "Requested input set: %0llx\n",
|
|
new);
|
|
}
|
|
|
|
/**
|
|
* i40e_check_fdir_input_set - Check that a given rx_flow_spec mask is valid
|
|
* @vsi: pointer to the targeted VSI
|
|
* @fsp: pointer to Rx flow specification
|
|
* @userdef: userdefined data from flow specification
|
|
*
|
|
* Ensures that a given ethtool_rx_flow_spec has a valid mask. Some support
|
|
* for partial matches exists with a few limitations. First, hardware only
|
|
* supports masking by word boundary (2 bytes) and not per individual bit.
|
|
* Second, hardware is limited to using one mask for a flow type and cannot
|
|
* use a separate mask for each filter.
|
|
*
|
|
* To support these limitations, if we already have a configured filter for
|
|
* the specified type, this function enforces that new filters of the type
|
|
* match the configured input set. Otherwise, if we do not have a filter of
|
|
* the specified type, we allow the input set to be updated to match the
|
|
* desired filter.
|
|
*
|
|
* To help ensure that administrators understand why filters weren't displayed
|
|
* as supported, we print a diagnostic message displaying how the input set
|
|
* would change and warning to delete the preexisting filters if required.
|
|
*
|
|
* Returns 0 on successful input set match, and a negative return code on
|
|
* failure.
|
|
**/
|
|
static int i40e_check_fdir_input_set(struct i40e_vsi *vsi,
|
|
struct ethtool_rx_flow_spec *fsp,
|
|
struct i40e_rx_flow_userdef *userdef)
|
|
{
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct ethtool_tcpip4_spec *tcp_ip4_spec;
|
|
struct ethtool_usrip4_spec *usr_ip4_spec;
|
|
u64 current_mask, new_mask;
|
|
bool new_flex_offset = false;
|
|
bool flex_l3 = false;
|
|
u16 *fdir_filter_count;
|
|
u16 index, src_offset = 0;
|
|
u8 pit_index = 0;
|
|
int err;
|
|
|
|
switch (fsp->flow_type & ~FLOW_EXT) {
|
|
case SCTP_V4_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP;
|
|
fdir_filter_count = &pf->fd_sctp4_filter_cnt;
|
|
break;
|
|
case TCP_V4_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
|
|
fdir_filter_count = &pf->fd_tcp4_filter_cnt;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
|
|
fdir_filter_count = &pf->fd_udp4_filter_cnt;
|
|
break;
|
|
case IP_USER_FLOW:
|
|
index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
|
|
fdir_filter_count = &pf->fd_ip4_filter_cnt;
|
|
flex_l3 = true;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/* Read the current input set from register memory. */
|
|
current_mask = i40e_read_fd_input_set(pf, index);
|
|
new_mask = current_mask;
|
|
|
|
/* Determine, if any, the required changes to the input set in order
|
|
* to support the provided mask.
|
|
*
|
|
* Hardware only supports masking at word (2 byte) granularity and does
|
|
* not support full bitwise masking. This implementation simplifies
|
|
* even further and only supports fully enabled or fully disabled
|
|
* masks for each field, even though we could split the ip4src and
|
|
* ip4dst fields.
|
|
*/
|
|
switch (fsp->flow_type & ~FLOW_EXT) {
|
|
case SCTP_V4_FLOW:
|
|
new_mask &= ~I40E_VERIFY_TAG_MASK;
|
|
/* Fall through */
|
|
case TCP_V4_FLOW:
|
|
case UDP_V4_FLOW:
|
|
tcp_ip4_spec = &fsp->m_u.tcp_ip4_spec;
|
|
|
|
/* IPv4 source address */
|
|
if (tcp_ip4_spec->ip4src == htonl(0xFFFFFFFF))
|
|
new_mask |= I40E_L3_SRC_MASK;
|
|
else if (!tcp_ip4_spec->ip4src)
|
|
new_mask &= ~I40E_L3_SRC_MASK;
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* IPv4 destination address */
|
|
if (tcp_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
|
|
new_mask |= I40E_L3_DST_MASK;
|
|
else if (!tcp_ip4_spec->ip4dst)
|
|
new_mask &= ~I40E_L3_DST_MASK;
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* L4 source port */
|
|
if (tcp_ip4_spec->psrc == htons(0xFFFF))
|
|
new_mask |= I40E_L4_SRC_MASK;
|
|
else if (!tcp_ip4_spec->psrc)
|
|
new_mask &= ~I40E_L4_SRC_MASK;
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* L4 destination port */
|
|
if (tcp_ip4_spec->pdst == htons(0xFFFF))
|
|
new_mask |= I40E_L4_DST_MASK;
|
|
else if (!tcp_ip4_spec->pdst)
|
|
new_mask &= ~I40E_L4_DST_MASK;
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* Filtering on Type of Service is not supported. */
|
|
if (tcp_ip4_spec->tos)
|
|
return -EOPNOTSUPP;
|
|
|
|
break;
|
|
case IP_USER_FLOW:
|
|
usr_ip4_spec = &fsp->m_u.usr_ip4_spec;
|
|
|
|
/* IPv4 source address */
|
|
if (usr_ip4_spec->ip4src == htonl(0xFFFFFFFF))
|
|
new_mask |= I40E_L3_SRC_MASK;
|
|
else if (!usr_ip4_spec->ip4src)
|
|
new_mask &= ~I40E_L3_SRC_MASK;
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* IPv4 destination address */
|
|
if (usr_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
|
|
new_mask |= I40E_L3_DST_MASK;
|
|
else if (!usr_ip4_spec->ip4dst)
|
|
new_mask &= ~I40E_L3_DST_MASK;
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* First 4 bytes of L4 header */
|
|
if (usr_ip4_spec->l4_4_bytes == htonl(0xFFFFFFFF))
|
|
new_mask |= I40E_L4_SRC_MASK | I40E_L4_DST_MASK;
|
|
else if (!usr_ip4_spec->l4_4_bytes)
|
|
new_mask &= ~(I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
/* Filtering on Type of Service is not supported. */
|
|
if (usr_ip4_spec->tos)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* Filtering on IP version is not supported */
|
|
if (usr_ip4_spec->ip_ver)
|
|
return -EINVAL;
|
|
|
|
/* Filtering on L4 protocol is not supported */
|
|
if (usr_ip4_spec->proto)
|
|
return -EINVAL;
|
|
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/* First, clear all flexible filter entries */
|
|
new_mask &= ~I40E_FLEX_INPUT_MASK;
|
|
|
|
/* If we have a flexible filter, try to add this offset to the correct
|
|
* flexible filter PIT list. Once finished, we can update the mask.
|
|
* If the src_offset changed, we will get a new mask value which will
|
|
* trigger an input set change.
|
|
*/
|
|
if (userdef->flex_filter) {
|
|
struct i40e_flex_pit *l3_flex_pit = NULL, *flex_pit = NULL;
|
|
|
|
/* Flexible offset must be even, since the flexible payload
|
|
* must be aligned on 2-byte boundary.
|
|
*/
|
|
if (userdef->flex_offset & 0x1) {
|
|
dev_warn(&pf->pdev->dev,
|
|
"Flexible data offset must be 2-byte aligned\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
src_offset = userdef->flex_offset >> 1;
|
|
|
|
/* FLX_PIT source offset value is only so large */
|
|
if (src_offset > I40E_MAX_FLEX_SRC_OFFSET) {
|
|
dev_warn(&pf->pdev->dev,
|
|
"Flexible data must reside within first 64 bytes of the packet payload\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* See if this offset has already been programmed. If we get
|
|
* an ERR_PTR, then the filter is not safe to add. Otherwise,
|
|
* if we get a NULL pointer, this means we will need to add
|
|
* the offset.
|
|
*/
|
|
flex_pit = i40e_find_flex_offset(&pf->l4_flex_pit_list,
|
|
src_offset);
|
|
if (IS_ERR(flex_pit))
|
|
return PTR_ERR(flex_pit);
|
|
|
|
/* IP_USER_FLOW filters match both L4 (ICMP) and L3 (unknown)
|
|
* packet types, and thus we need to program both L3 and L4
|
|
* flexible values. These must have identical flexible index,
|
|
* as otherwise we can't correctly program the input set. So
|
|
* we'll find both an L3 and L4 index and make sure they are
|
|
* the same.
|
|
*/
|
|
if (flex_l3) {
|
|
l3_flex_pit =
|
|
i40e_find_flex_offset(&pf->l3_flex_pit_list,
|
|
src_offset);
|
|
if (IS_ERR(l3_flex_pit))
|
|
return PTR_ERR(l3_flex_pit);
|
|
|
|
if (flex_pit) {
|
|
/* If we already had a matching L4 entry, we
|
|
* need to make sure that the L3 entry we
|
|
* obtained uses the same index.
|
|
*/
|
|
if (l3_flex_pit) {
|
|
if (l3_flex_pit->pit_index !=
|
|
flex_pit->pit_index) {
|
|
return -EINVAL;
|
|
}
|
|
} else {
|
|
new_flex_offset = true;
|
|
}
|
|
} else {
|
|
flex_pit = l3_flex_pit;
|
|
}
|
|
}
|
|
|
|
/* If we didn't find an existing flex offset, we need to
|
|
* program a new one. However, we don't immediately program it
|
|
* here because we will wait to program until after we check
|
|
* that it is safe to change the input set.
|
|
*/
|
|
if (!flex_pit) {
|
|
new_flex_offset = true;
|
|
pit_index = i40e_unused_pit_index(pf);
|
|
} else {
|
|
pit_index = flex_pit->pit_index;
|
|
}
|
|
|
|
/* Update the mask with the new offset */
|
|
new_mask |= i40e_pit_index_to_mask(pit_index);
|
|
}
|
|
|
|
/* If the mask and flexible filter offsets for this filter match the
|
|
* currently programmed values we don't need any input set change, so
|
|
* this filter is safe to install.
|
|
*/
|
|
if (new_mask == current_mask && !new_flex_offset)
|
|
return 0;
|
|
|
|
netif_info(pf, drv, vsi->netdev, "Input set change requested for %s flows:\n",
|
|
i40e_flow_str(fsp));
|
|
i40e_print_input_set(vsi, current_mask, new_mask);
|
|
if (new_flex_offset) {
|
|
netif_info(pf, drv, vsi->netdev, "FLEX index %d: Offset -> %d",
|
|
pit_index, src_offset);
|
|
}
|
|
|
|
/* Hardware input sets are global across multiple ports, so even the
|
|
* main port cannot change them when in MFP mode as this would impact
|
|
* any filters on the other ports.
|
|
*/
|
|
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
|
|
netif_err(pf, drv, vsi->netdev, "Cannot change Flow Director input sets while MFP is enabled\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/* This filter requires us to update the input set. However, hardware
|
|
* only supports one input set per flow type, and does not support
|
|
* separate masks for each filter. This means that we can only support
|
|
* a single mask for all filters of a specific type.
|
|
*
|
|
* If we have preexisting filters, they obviously depend on the
|
|
* current programmed input set. Display a diagnostic message in this
|
|
* case explaining why the filter could not be accepted.
|
|
*/
|
|
if (*fdir_filter_count) {
|
|
netif_err(pf, drv, vsi->netdev, "Cannot change input set for %s flows until %d preexisting filters are removed\n",
|
|
i40e_flow_str(fsp),
|
|
*fdir_filter_count);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
i40e_write_fd_input_set(pf, index, new_mask);
|
|
|
|
/* Add the new offset and update table, if necessary */
|
|
if (new_flex_offset) {
|
|
err = i40e_add_flex_offset(&pf->l4_flex_pit_list, src_offset,
|
|
pit_index);
|
|
if (err)
|
|
return err;
|
|
|
|
if (flex_l3) {
|
|
err = i40e_add_flex_offset(&pf->l3_flex_pit_list,
|
|
src_offset,
|
|
pit_index);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
i40e_reprogram_flex_pit(pf);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_add_fdir_ethtool - Add/Remove Flow Director filters
|
|
* @vsi: pointer to the targeted VSI
|
|
* @cmd: command to get or set RX flow classification rules
|
|
*
|
|
* Add Flow Director filters for a specific flow spec based on their
|
|
* protocol. Returns 0 if the filters were successfully added.
|
|
**/
|
|
static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct i40e_rx_flow_userdef userdef;
|
|
struct ethtool_rx_flow_spec *fsp;
|
|
struct i40e_fdir_filter *input;
|
|
u16 dest_vsi = 0, q_index = 0;
|
|
struct i40e_pf *pf;
|
|
int ret = -EINVAL;
|
|
u8 dest_ctl;
|
|
|
|
if (!vsi)
|
|
return -EINVAL;
|
|
pf = vsi->back;
|
|
|
|
if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (pf->flags & I40E_FLAG_FD_SB_AUTO_DISABLED)
|
|
return -ENOSPC;
|
|
|
|
if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
|
|
test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
|
|
return -EBUSY;
|
|
|
|
if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state))
|
|
return -EBUSY;
|
|
|
|
fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
|
|
|
|
/* Parse the user-defined field */
|
|
if (i40e_parse_rx_flow_user_data(fsp, &userdef))
|
|
return -EINVAL;
|
|
|
|
/* Extended MAC field is not supported */
|
|
if (fsp->flow_type & FLOW_MAC_EXT)
|
|
return -EINVAL;
|
|
|
|
ret = i40e_check_fdir_input_set(vsi, fsp, &userdef);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
|
|
pf->hw.func_caps.fd_filters_guaranteed)) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* ring_cookie is either the drop index, or is a mask of the queue
|
|
* index and VF id we wish to target.
|
|
*/
|
|
if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
|
|
dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
|
|
} else {
|
|
u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
|
|
u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
|
|
|
|
if (!vf) {
|
|
if (ring >= vsi->num_queue_pairs)
|
|
return -EINVAL;
|
|
dest_vsi = vsi->id;
|
|
} else {
|
|
/* VFs are zero-indexed, so we subtract one here */
|
|
vf--;
|
|
|
|
if (vf >= pf->num_alloc_vfs)
|
|
return -EINVAL;
|
|
if (ring >= pf->vf[vf].num_queue_pairs)
|
|
return -EINVAL;
|
|
dest_vsi = pf->vf[vf].lan_vsi_id;
|
|
}
|
|
dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
|
|
q_index = ring;
|
|
}
|
|
|
|
input = kzalloc(sizeof(*input), GFP_KERNEL);
|
|
|
|
if (!input)
|
|
return -ENOMEM;
|
|
|
|
input->fd_id = fsp->location;
|
|
input->q_index = q_index;
|
|
input->dest_vsi = dest_vsi;
|
|
input->dest_ctl = dest_ctl;
|
|
input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
|
|
input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
|
|
input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
|
|
input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
|
|
input->flow_type = fsp->flow_type & ~FLOW_EXT;
|
|
input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
|
|
|
|
/* Reverse the src and dest notion, since the HW expects them to be from
|
|
* Tx perspective where as the input from user is from Rx filter view.
|
|
*/
|
|
input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
|
|
input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
|
|
input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
|
|
input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
|
|
|
|
if (userdef.flex_filter) {
|
|
input->flex_filter = true;
|
|
input->flex_word = cpu_to_be16(userdef.flex_word);
|
|
input->flex_offset = userdef.flex_offset;
|
|
}
|
|
|
|
ret = i40e_add_del_fdir(vsi, input, true);
|
|
if (ret)
|
|
goto free_input;
|
|
|
|
/* Add the input filter to the fdir_input_list, possibly replacing
|
|
* a previous filter. Do not free the input structure after adding it
|
|
* to the list as this would cause a use-after-free bug.
|
|
*/
|
|
i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
|
|
|
|
return 0;
|
|
|
|
free_input:
|
|
kfree(input);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_rxnfc - command to set RX flow classification rules
|
|
* @netdev: network interface device structure
|
|
* @cmd: ethtool rxnfc command
|
|
*
|
|
* Returns Success if the command is supported.
|
|
**/
|
|
static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
int ret = -EOPNOTSUPP;
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
ret = i40e_set_rss_hash_opt(pf, cmd);
|
|
break;
|
|
case ETHTOOL_SRXCLSRLINS:
|
|
ret = i40e_add_fdir_ethtool(vsi, cmd);
|
|
break;
|
|
case ETHTOOL_SRXCLSRLDEL:
|
|
ret = i40e_del_fdir_entry(vsi, cmd);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_max_channels - get Max number of combined channels supported
|
|
* @vsi: vsi pointer
|
|
**/
|
|
static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
|
|
{
|
|
/* TODO: This code assumes DCB and FD is disabled for now. */
|
|
return vsi->alloc_queue_pairs;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_channels - Get the current channels enabled and max supported etc.
|
|
* @netdev: network interface device structure
|
|
* @ch: ethtool channels structure
|
|
*
|
|
* We don't support separate tx and rx queues as channels. The other count
|
|
* represents how many queues are being used for control. max_combined counts
|
|
* how many queue pairs we can support. They may not be mapped 1 to 1 with
|
|
* q_vectors since we support a lot more queue pairs than q_vectors.
|
|
**/
|
|
static void i40e_get_channels(struct net_device *dev,
|
|
struct ethtool_channels *ch)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(dev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
|
|
/* report maximum channels */
|
|
ch->max_combined = i40e_max_channels(vsi);
|
|
|
|
/* report info for other vector */
|
|
ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
|
|
ch->max_other = ch->other_count;
|
|
|
|
/* Note: This code assumes DCB is disabled for now. */
|
|
ch->combined_count = vsi->num_queue_pairs;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_channels - Set the new channels count.
|
|
* @netdev: network interface device structure
|
|
* @ch: ethtool channels structure
|
|
*
|
|
* The new channels count may not be the same as requested by the user
|
|
* since it gets rounded down to a power of 2 value.
|
|
**/
|
|
static int i40e_set_channels(struct net_device *dev,
|
|
struct ethtool_channels *ch)
|
|
{
|
|
const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
|
|
struct i40e_netdev_priv *np = netdev_priv(dev);
|
|
unsigned int count = ch->combined_count;
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_fdir_filter *rule;
|
|
struct hlist_node *node2;
|
|
int new_count;
|
|
int err = 0;
|
|
|
|
/* We do not support setting channels for any other VSI at present */
|
|
if (vsi->type != I40E_VSI_MAIN)
|
|
return -EINVAL;
|
|
|
|
/* We do not support setting channels via ethtool when TCs are
|
|
* configured through mqprio
|
|
*/
|
|
if (pf->flags & I40E_FLAG_TC_MQPRIO)
|
|
return -EINVAL;
|
|
|
|
/* verify they are not requesting separate vectors */
|
|
if (!count || ch->rx_count || ch->tx_count)
|
|
return -EINVAL;
|
|
|
|
/* verify other_count has not changed */
|
|
if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
|
|
return -EINVAL;
|
|
|
|
/* verify the number of channels does not exceed hardware limits */
|
|
if (count > i40e_max_channels(vsi))
|
|
return -EINVAL;
|
|
|
|
/* verify that the number of channels does not invalidate any current
|
|
* flow director rules
|
|
*/
|
|
hlist_for_each_entry_safe(rule, node2,
|
|
&pf->fdir_filter_list, fdir_node) {
|
|
if (rule->dest_ctl != drop && count <= rule->q_index) {
|
|
dev_warn(&pf->pdev->dev,
|
|
"Existing user defined filter %d assigns flow to queue %d\n",
|
|
rule->fd_id, rule->q_index);
|
|
err = -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (err) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Existing filter rules must be deleted to reduce combined channel count to %d\n",
|
|
count);
|
|
return err;
|
|
}
|
|
|
|
/* update feature limits from largest to smallest supported values */
|
|
/* TODO: Flow director limit, DCB etc */
|
|
|
|
/* use rss_reconfig to rebuild with new queue count and update traffic
|
|
* class queue mapping
|
|
*/
|
|
new_count = i40e_reconfig_rss_queues(pf, count);
|
|
if (new_count > 0)
|
|
return 0;
|
|
else
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_rxfh_key_size - get the RSS hash key size
|
|
* @netdev: network interface device structure
|
|
*
|
|
* Returns the table size.
|
|
**/
|
|
static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
|
|
{
|
|
return I40E_HKEY_ARRAY_SIZE;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
|
|
* @netdev: network interface device structure
|
|
*
|
|
* Returns the table size.
|
|
**/
|
|
static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
|
|
{
|
|
return I40E_HLUT_ARRAY_SIZE;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_rxfh - get the rx flow hash indirection table
|
|
* @netdev: network interface device structure
|
|
* @indir: indirection table
|
|
* @key: hash key
|
|
* @hfunc: hash function
|
|
*
|
|
* Reads the indirection table directly from the hardware. Returns 0 on
|
|
* success.
|
|
**/
|
|
static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
|
|
u8 *hfunc)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
u8 *lut, *seed = NULL;
|
|
int ret;
|
|
u16 i;
|
|
|
|
if (hfunc)
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
|
|
|
if (!indir)
|
|
return 0;
|
|
|
|
seed = key;
|
|
lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
|
|
if (!lut)
|
|
return -ENOMEM;
|
|
ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
|
|
if (ret)
|
|
goto out;
|
|
for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
|
|
indir[i] = (u32)(lut[i]);
|
|
|
|
out:
|
|
kfree(lut);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_rxfh - set the rx flow hash indirection table
|
|
* @netdev: network interface device structure
|
|
* @indir: indirection table
|
|
* @key: hash key
|
|
*
|
|
* Returns -EINVAL if the table specifies an invalid queue id, otherwise
|
|
* returns 0 after programming the table.
|
|
**/
|
|
static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
|
|
const u8 *key, const u8 hfunc)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
u8 *seed = NULL;
|
|
u16 i;
|
|
|
|
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (key) {
|
|
if (!vsi->rss_hkey_user) {
|
|
vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
|
|
GFP_KERNEL);
|
|
if (!vsi->rss_hkey_user)
|
|
return -ENOMEM;
|
|
}
|
|
memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
|
|
seed = vsi->rss_hkey_user;
|
|
}
|
|
if (!vsi->rss_lut_user) {
|
|
vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
|
|
if (!vsi->rss_lut_user)
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Each 32 bits pointed by 'indir' is stored with a lut entry */
|
|
if (indir)
|
|
for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
|
|
vsi->rss_lut_user[i] = (u8)(indir[i]);
|
|
else
|
|
i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
|
|
vsi->rss_size);
|
|
|
|
return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
|
|
I40E_HLUT_ARRAY_SIZE);
|
|
}
|
|
|
|
/**
|
|
* i40e_get_priv_flags - report device private flags
|
|
* @dev: network interface device structure
|
|
*
|
|
* The get string set count and the string set should be matched for each
|
|
* flag returned. Add new strings for each flag to the i40e_gstrings_priv_flags
|
|
* array.
|
|
*
|
|
* Returns a u32 bitmap of flags.
|
|
**/
|
|
static u32 i40e_get_priv_flags(struct net_device *dev)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(dev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
u32 i, j, ret_flags = 0;
|
|
|
|
for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
|
|
const struct i40e_priv_flags *priv_flags;
|
|
|
|
priv_flags = &i40e_gstrings_priv_flags[i];
|
|
|
|
if (priv_flags->flag & pf->flags)
|
|
ret_flags |= BIT(i);
|
|
}
|
|
|
|
if (pf->hw.pf_id != 0)
|
|
return ret_flags;
|
|
|
|
for (j = 0; j < I40E_GL_PRIV_FLAGS_STR_LEN; j++) {
|
|
const struct i40e_priv_flags *priv_flags;
|
|
|
|
priv_flags = &i40e_gl_gstrings_priv_flags[j];
|
|
|
|
if (priv_flags->flag & pf->flags)
|
|
ret_flags |= BIT(i + j);
|
|
}
|
|
|
|
return ret_flags;
|
|
}
|
|
|
|
/**
|
|
* i40e_set_priv_flags - set private flags
|
|
* @dev: network interface device structure
|
|
* @flags: bit flags to be set
|
|
**/
|
|
static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(dev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
u32 orig_flags, new_flags, changed_flags;
|
|
u32 i, j;
|
|
|
|
orig_flags = READ_ONCE(pf->flags);
|
|
new_flags = orig_flags;
|
|
|
|
for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
|
|
const struct i40e_priv_flags *priv_flags;
|
|
|
|
priv_flags = &i40e_gstrings_priv_flags[i];
|
|
|
|
if (flags & BIT(i))
|
|
new_flags |= priv_flags->flag;
|
|
else
|
|
new_flags &= ~(priv_flags->flag);
|
|
|
|
/* If this is a read-only flag, it can't be changed */
|
|
if (priv_flags->read_only &&
|
|
((orig_flags ^ new_flags) & ~BIT(i)))
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (pf->hw.pf_id != 0)
|
|
goto flags_complete;
|
|
|
|
for (j = 0; j < I40E_GL_PRIV_FLAGS_STR_LEN; j++) {
|
|
const struct i40e_priv_flags *priv_flags;
|
|
|
|
priv_flags = &i40e_gl_gstrings_priv_flags[j];
|
|
|
|
if (flags & BIT(i + j))
|
|
new_flags |= priv_flags->flag;
|
|
else
|
|
new_flags &= ~(priv_flags->flag);
|
|
|
|
/* If this is a read-only flag, it can't be changed */
|
|
if (priv_flags->read_only &&
|
|
((orig_flags ^ new_flags) & ~BIT(i)))
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
flags_complete:
|
|
/* Before we finalize any flag changes, we need to perform some
|
|
* checks to ensure that the changes are supported and safe.
|
|
*/
|
|
|
|
/* ATR eviction is not supported on all devices */
|
|
if ((new_flags & I40E_FLAG_HW_ATR_EVICT_ENABLED) &&
|
|
!(pf->hw_features & I40E_HW_ATR_EVICT_CAPABLE))
|
|
return -EOPNOTSUPP;
|
|
|
|
/* Compare and exchange the new flags into place. If we failed, that
|
|
* is if cmpxchg returns anything but the old value, this means that
|
|
* something else has modified the flags variable since we copied it
|
|
* originally. We'll just punt with an error and log something in the
|
|
* message buffer.
|
|
*/
|
|
if (cmpxchg(&pf->flags, orig_flags, new_flags) != orig_flags) {
|
|
dev_warn(&pf->pdev->dev,
|
|
"Unable to update pf->flags as it was modified by another thread...\n");
|
|
return -EAGAIN;
|
|
}
|
|
|
|
changed_flags = orig_flags ^ new_flags;
|
|
|
|
/* Process any additional changes needed as a result of flag changes.
|
|
* The changed_flags value reflects the list of bits that were
|
|
* changed in the code above.
|
|
*/
|
|
|
|
/* Flush current ATR settings if ATR was disabled */
|
|
if ((changed_flags & I40E_FLAG_FD_ATR_ENABLED) &&
|
|
!(pf->flags & I40E_FLAG_FD_ATR_ENABLED)) {
|
|
pf->flags |= I40E_FLAG_FD_ATR_AUTO_DISABLED;
|
|
set_bit(__I40E_FD_FLUSH_REQUESTED, pf->state);
|
|
}
|
|
|
|
if (changed_flags & I40E_FLAG_TRUE_PROMISC_SUPPORT) {
|
|
u16 sw_flags = 0, valid_flags = 0;
|
|
int ret;
|
|
|
|
if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
|
|
sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
|
|
valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
|
|
ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
|
|
0, NULL);
|
|
if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
|
|
dev_info(&pf->pdev->dev,
|
|
"couldn't set switch config bits, err %s aq_err %s\n",
|
|
i40e_stat_str(&pf->hw, ret),
|
|
i40e_aq_str(&pf->hw,
|
|
pf->hw.aq.asq_last_status));
|
|
/* not a fatal problem, just keep going */
|
|
}
|
|
}
|
|
|
|
/* Issue reset to cause things to take effect, as additional bits
|
|
* are added we will need to create a mask of bits requiring reset
|
|
*/
|
|
if (changed_flags & (I40E_FLAG_VEB_STATS_ENABLED |
|
|
I40E_FLAG_LEGACY_RX |
|
|
I40E_FLAG_SOURCE_PRUNING_DISABLED))
|
|
i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_module_info - get (Q)SFP+ module type info
|
|
* @netdev: network interface device structure
|
|
* @modinfo: module EEPROM size and layout information structure
|
|
**/
|
|
static int i40e_get_module_info(struct net_device *netdev,
|
|
struct ethtool_modinfo *modinfo)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 sff8472_comp = 0;
|
|
u32 sff8472_swap = 0;
|
|
u32 sff8636_rev = 0;
|
|
i40e_status status;
|
|
u32 type = 0;
|
|
|
|
/* Check if firmware supports reading module EEPROM. */
|
|
if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE)) {
|
|
netdev_err(vsi->netdev, "Module EEPROM memory read not supported. Please update the NVM image.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
status = i40e_update_link_info(hw);
|
|
if (status)
|
|
return -EIO;
|
|
|
|
if (hw->phy.link_info.phy_type == I40E_PHY_TYPE_EMPTY) {
|
|
netdev_err(vsi->netdev, "Cannot read module EEPROM memory. No module connected.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
type = hw->phy.link_info.module_type[0];
|
|
|
|
switch (type) {
|
|
case I40E_MODULE_TYPE_SFP:
|
|
status = i40e_aq_get_phy_register(hw,
|
|
I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
|
|
I40E_I2C_EEPROM_DEV_ADDR,
|
|
I40E_MODULE_SFF_8472_COMP,
|
|
&sff8472_comp, NULL);
|
|
if (status)
|
|
return -EIO;
|
|
|
|
status = i40e_aq_get_phy_register(hw,
|
|
I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
|
|
I40E_I2C_EEPROM_DEV_ADDR,
|
|
I40E_MODULE_SFF_8472_SWAP,
|
|
&sff8472_swap, NULL);
|
|
if (status)
|
|
return -EIO;
|
|
|
|
/* Check if the module requires address swap to access
|
|
* the other EEPROM memory page.
|
|
*/
|
|
if (sff8472_swap & I40E_MODULE_SFF_ADDR_MODE) {
|
|
netdev_warn(vsi->netdev, "Module address swap to access page 0xA2 is not supported.\n");
|
|
modinfo->type = ETH_MODULE_SFF_8079;
|
|
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
|
|
} else if (sff8472_comp == 0x00) {
|
|
/* Module is not SFF-8472 compliant */
|
|
modinfo->type = ETH_MODULE_SFF_8079;
|
|
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
|
|
} else {
|
|
modinfo->type = ETH_MODULE_SFF_8472;
|
|
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
|
|
}
|
|
break;
|
|
case I40E_MODULE_TYPE_QSFP_PLUS:
|
|
/* Read from memory page 0. */
|
|
status = i40e_aq_get_phy_register(hw,
|
|
I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
|
|
0,
|
|
I40E_MODULE_REVISION_ADDR,
|
|
&sff8636_rev, NULL);
|
|
if (status)
|
|
return -EIO;
|
|
/* Determine revision compliance byte */
|
|
if (sff8636_rev > 0x02) {
|
|
/* Module is SFF-8636 compliant */
|
|
modinfo->type = ETH_MODULE_SFF_8636;
|
|
modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN;
|
|
} else {
|
|
modinfo->type = ETH_MODULE_SFF_8436;
|
|
modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN;
|
|
}
|
|
break;
|
|
case I40E_MODULE_TYPE_QSFP28:
|
|
modinfo->type = ETH_MODULE_SFF_8636;
|
|
modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN;
|
|
break;
|
|
default:
|
|
netdev_err(vsi->netdev, "Module type unrecognized\n");
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_get_module_eeprom - fills buffer with (Q)SFP+ module memory contents
|
|
* @netdev: network interface device structure
|
|
* @ee: EEPROM dump request structure
|
|
* @data: buffer to be filled with EEPROM contents
|
|
**/
|
|
static int i40e_get_module_eeprom(struct net_device *netdev,
|
|
struct ethtool_eeprom *ee,
|
|
u8 *data)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
bool is_sfp = false;
|
|
i40e_status status;
|
|
u32 value = 0;
|
|
int i;
|
|
|
|
if (!ee || !ee->len || !data)
|
|
return -EINVAL;
|
|
|
|
if (hw->phy.link_info.module_type[0] == I40E_MODULE_TYPE_SFP)
|
|
is_sfp = true;
|
|
|
|
for (i = 0; i < ee->len; i++) {
|
|
u32 offset = i + ee->offset;
|
|
u32 addr = is_sfp ? I40E_I2C_EEPROM_DEV_ADDR : 0;
|
|
|
|
/* Check if we need to access the other memory page */
|
|
if (is_sfp) {
|
|
if (offset >= ETH_MODULE_SFF_8079_LEN) {
|
|
offset -= ETH_MODULE_SFF_8079_LEN;
|
|
addr = I40E_I2C_EEPROM_DEV_ADDR2;
|
|
}
|
|
} else {
|
|
while (offset >= ETH_MODULE_SFF_8436_LEN) {
|
|
/* Compute memory page number and offset. */
|
|
offset -= ETH_MODULE_SFF_8436_LEN / 2;
|
|
addr++;
|
|
}
|
|
}
|
|
|
|
status = i40e_aq_get_phy_register(hw,
|
|
I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
|
|
addr, offset, &value, NULL);
|
|
if (status)
|
|
return -EIO;
|
|
data[i] = value;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct ethtool_ops i40e_ethtool_ops = {
|
|
.get_drvinfo = i40e_get_drvinfo,
|
|
.get_regs_len = i40e_get_regs_len,
|
|
.get_regs = i40e_get_regs,
|
|
.nway_reset = i40e_nway_reset,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_wol = i40e_get_wol,
|
|
.set_wol = i40e_set_wol,
|
|
.set_eeprom = i40e_set_eeprom,
|
|
.get_eeprom_len = i40e_get_eeprom_len,
|
|
.get_eeprom = i40e_get_eeprom,
|
|
.get_ringparam = i40e_get_ringparam,
|
|
.set_ringparam = i40e_set_ringparam,
|
|
.get_pauseparam = i40e_get_pauseparam,
|
|
.set_pauseparam = i40e_set_pauseparam,
|
|
.get_msglevel = i40e_get_msglevel,
|
|
.set_msglevel = i40e_set_msglevel,
|
|
.get_rxnfc = i40e_get_rxnfc,
|
|
.set_rxnfc = i40e_set_rxnfc,
|
|
.self_test = i40e_diag_test,
|
|
.get_strings = i40e_get_strings,
|
|
.set_phys_id = i40e_set_phys_id,
|
|
.get_sset_count = i40e_get_sset_count,
|
|
.get_ethtool_stats = i40e_get_ethtool_stats,
|
|
.get_coalesce = i40e_get_coalesce,
|
|
.set_coalesce = i40e_set_coalesce,
|
|
.get_rxfh_key_size = i40e_get_rxfh_key_size,
|
|
.get_rxfh_indir_size = i40e_get_rxfh_indir_size,
|
|
.get_rxfh = i40e_get_rxfh,
|
|
.set_rxfh = i40e_set_rxfh,
|
|
.get_channels = i40e_get_channels,
|
|
.set_channels = i40e_set_channels,
|
|
.get_module_info = i40e_get_module_info,
|
|
.get_module_eeprom = i40e_get_module_eeprom,
|
|
.get_ts_info = i40e_get_ts_info,
|
|
.get_priv_flags = i40e_get_priv_flags,
|
|
.set_priv_flags = i40e_set_priv_flags,
|
|
.get_per_queue_coalesce = i40e_get_per_queue_coalesce,
|
|
.set_per_queue_coalesce = i40e_set_per_queue_coalesce,
|
|
.get_link_ksettings = i40e_get_link_ksettings,
|
|
.set_link_ksettings = i40e_set_link_ksettings,
|
|
};
|
|
|
|
void i40e_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &i40e_ethtool_ops;
|
|
}
|