412 lines
17 KiB
C
412 lines
17 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright Gavin Shan, IBM Corporation 2016.
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*/
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#ifndef __NCSI_INTERNAL_H__
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#define __NCSI_INTERNAL_H__
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enum {
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NCSI_CAP_BASE = 0,
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NCSI_CAP_GENERIC = 0,
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NCSI_CAP_BC,
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NCSI_CAP_MC,
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NCSI_CAP_BUFFER,
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NCSI_CAP_AEN,
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NCSI_CAP_VLAN,
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NCSI_CAP_MAX
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};
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enum {
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NCSI_CAP_GENERIC_HWA = 0x01, /* HW arbitration */
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NCSI_CAP_GENERIC_HDS = 0x02, /* HNC driver status change */
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NCSI_CAP_GENERIC_FC = 0x04, /* HNC to MC flow control */
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NCSI_CAP_GENERIC_FC1 = 0x08, /* MC to HNC flow control */
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NCSI_CAP_GENERIC_MC = 0x10, /* Global MC filtering */
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NCSI_CAP_GENERIC_HWA_UNKNOWN = 0x00, /* Unknown HW arbitration */
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NCSI_CAP_GENERIC_HWA_SUPPORT = 0x20, /* Supported HW arbitration */
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NCSI_CAP_GENERIC_HWA_NOT_SUPPORT = 0x40, /* No HW arbitration */
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NCSI_CAP_GENERIC_HWA_RESERVED = 0x60, /* Reserved HW arbitration */
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NCSI_CAP_GENERIC_HWA_MASK = 0x60, /* Mask for HW arbitration */
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NCSI_CAP_GENERIC_MASK = 0x7f,
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NCSI_CAP_BC_ARP = 0x01, /* ARP packet filtering */
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NCSI_CAP_BC_DHCPC = 0x02, /* DHCP client filtering */
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NCSI_CAP_BC_DHCPS = 0x04, /* DHCP server filtering */
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NCSI_CAP_BC_NETBIOS = 0x08, /* NetBIOS packet filtering */
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NCSI_CAP_BC_MASK = 0x0f,
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NCSI_CAP_MC_IPV6_NEIGHBOR = 0x01, /* IPv6 neighbor filtering */
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NCSI_CAP_MC_IPV6_ROUTER = 0x02, /* IPv6 router filering */
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NCSI_CAP_MC_DHCPV6_RELAY = 0x04, /* DHCPv6 relay / server MC */
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NCSI_CAP_MC_DHCPV6_WELL_KNOWN = 0x08, /* DHCPv6 well-known MC */
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NCSI_CAP_MC_IPV6_MLD = 0x10, /* IPv6 MLD filtering */
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NCSI_CAP_MC_IPV6_NEIGHBOR_S = 0x20, /* IPv6 neighbour filtering */
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NCSI_CAP_MC_MASK = 0x3f,
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NCSI_CAP_AEN_LSC = 0x01, /* Link status change */
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NCSI_CAP_AEN_CR = 0x02, /* Configuration required */
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NCSI_CAP_AEN_HDS = 0x04, /* HNC driver status */
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NCSI_CAP_AEN_MASK = 0x07,
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NCSI_CAP_VLAN_ONLY = 0x01, /* Filter VLAN packet only */
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NCSI_CAP_VLAN_NO = 0x02, /* Filter VLAN and non-VLAN */
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NCSI_CAP_VLAN_ANY = 0x04, /* Filter Any-and-non-VLAN */
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NCSI_CAP_VLAN_MASK = 0x07
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};
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enum {
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NCSI_MODE_BASE = 0,
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NCSI_MODE_ENABLE = 0,
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NCSI_MODE_TX_ENABLE,
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NCSI_MODE_LINK,
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NCSI_MODE_VLAN,
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NCSI_MODE_BC,
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NCSI_MODE_MC,
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NCSI_MODE_AEN,
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NCSI_MODE_FC,
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NCSI_MODE_MAX
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};
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/* Supported media status bits for Mellanox Mac affinity command.
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* Bit (0-2) for different protocol support; Bit 1 for RBT support,
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* bit 1 for SMBUS support and bit 2 for PCIE support. Bit (3-5)
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* for different protocol availability. Bit 4 for RBT, bit 4 for
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* SMBUS and bit 5 for PCIE.
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*/
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enum {
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MLX_MC_RBT_SUPPORT = 0x01, /* MC supports RBT */
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MLX_MC_RBT_AVL = 0x08, /* RBT medium is available */
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};
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/* OEM Vendor Manufacture ID */
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#define NCSI_OEM_MFR_MLX_ID 0x8119
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#define NCSI_OEM_MFR_BCM_ID 0x113d
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#define NCSI_OEM_MFR_INTEL_ID 0x157
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/* Intel specific OEM command */
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#define NCSI_OEM_INTEL_CMD_GMA 0x06 /* CMD ID for Get MAC */
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#define NCSI_OEM_INTEL_CMD_KEEP_PHY 0x20 /* CMD ID for Keep PHY up */
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/* Broadcom specific OEM Command */
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#define NCSI_OEM_BCM_CMD_GMA 0x01 /* CMD ID for Get MAC */
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/* Mellanox specific OEM Command */
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#define NCSI_OEM_MLX_CMD_GMA 0x00 /* CMD ID for Get MAC */
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#define NCSI_OEM_MLX_CMD_GMA_PARAM 0x1b /* Parameter for GMA */
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#define NCSI_OEM_MLX_CMD_SMAF 0x01 /* CMD ID for Set MC Affinity */
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#define NCSI_OEM_MLX_CMD_SMAF_PARAM 0x07 /* Parameter for SMAF */
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/* OEM Command payload lengths*/
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#define NCSI_OEM_INTEL_CMD_GMA_LEN 5
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#define NCSI_OEM_INTEL_CMD_KEEP_PHY_LEN 7
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#define NCSI_OEM_BCM_CMD_GMA_LEN 12
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#define NCSI_OEM_MLX_CMD_GMA_LEN 8
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#define NCSI_OEM_MLX_CMD_SMAF_LEN 60
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/* Offset in OEM request */
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#define MLX_SMAF_MAC_ADDR_OFFSET 8 /* Offset for MAC in SMAF */
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#define MLX_SMAF_MED_SUPPORT_OFFSET 14 /* Offset for medium in SMAF */
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/* Mac address offset in OEM response */
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#define BCM_MAC_ADDR_OFFSET 28
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#define MLX_MAC_ADDR_OFFSET 8
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#define INTEL_MAC_ADDR_OFFSET 1
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struct ncsi_channel_version {
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u32 version; /* Supported BCD encoded NCSI version */
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u32 alpha2; /* Supported BCD encoded NCSI version */
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u8 fw_name[12]; /* Firmware name string */
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u32 fw_version; /* Firmware version */
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u16 pci_ids[4]; /* PCI identification */
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u32 mf_id; /* Manufacture ID */
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};
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struct ncsi_channel_cap {
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u32 index; /* Index of channel capabilities */
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u32 cap; /* NCSI channel capability */
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};
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struct ncsi_channel_mode {
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u32 index; /* Index of channel modes */
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u32 enable; /* Enabled or disabled */
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u32 size; /* Valid entries in ncm_data[] */
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u32 data[8]; /* Data entries */
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};
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struct ncsi_channel_mac_filter {
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u8 n_uc;
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u8 n_mc;
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u8 n_mixed;
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u64 bitmap;
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unsigned char *addrs;
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};
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struct ncsi_channel_vlan_filter {
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u8 n_vids;
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u64 bitmap;
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u16 *vids;
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};
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struct ncsi_channel_stats {
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u32 hnc_cnt_hi; /* Counter cleared */
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u32 hnc_cnt_lo; /* Counter cleared */
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u32 hnc_rx_bytes; /* Rx bytes */
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u32 hnc_tx_bytes; /* Tx bytes */
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u32 hnc_rx_uc_pkts; /* Rx UC packets */
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u32 hnc_rx_mc_pkts; /* Rx MC packets */
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u32 hnc_rx_bc_pkts; /* Rx BC packets */
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u32 hnc_tx_uc_pkts; /* Tx UC packets */
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u32 hnc_tx_mc_pkts; /* Tx MC packets */
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u32 hnc_tx_bc_pkts; /* Tx BC packets */
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u32 hnc_fcs_err; /* FCS errors */
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u32 hnc_align_err; /* Alignment errors */
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u32 hnc_false_carrier; /* False carrier detection */
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u32 hnc_runt_pkts; /* Rx runt packets */
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u32 hnc_jabber_pkts; /* Rx jabber packets */
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u32 hnc_rx_pause_xon; /* Rx pause XON frames */
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u32 hnc_rx_pause_xoff; /* Rx XOFF frames */
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u32 hnc_tx_pause_xon; /* Tx XON frames */
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u32 hnc_tx_pause_xoff; /* Tx XOFF frames */
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u32 hnc_tx_s_collision; /* Single collision frames */
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u32 hnc_tx_m_collision; /* Multiple collision frames */
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u32 hnc_l_collision; /* Late collision frames */
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u32 hnc_e_collision; /* Excessive collision frames */
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u32 hnc_rx_ctl_frames; /* Rx control frames */
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u32 hnc_rx_64_frames; /* Rx 64-bytes frames */
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u32 hnc_rx_127_frames; /* Rx 65-127 bytes frames */
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u32 hnc_rx_255_frames; /* Rx 128-255 bytes frames */
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u32 hnc_rx_511_frames; /* Rx 256-511 bytes frames */
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u32 hnc_rx_1023_frames; /* Rx 512-1023 bytes frames */
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u32 hnc_rx_1522_frames; /* Rx 1024-1522 bytes frames */
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u32 hnc_rx_9022_frames; /* Rx 1523-9022 bytes frames */
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u32 hnc_tx_64_frames; /* Tx 64-bytes frames */
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u32 hnc_tx_127_frames; /* Tx 65-127 bytes frames */
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u32 hnc_tx_255_frames; /* Tx 128-255 bytes frames */
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u32 hnc_tx_511_frames; /* Tx 256-511 bytes frames */
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u32 hnc_tx_1023_frames; /* Tx 512-1023 bytes frames */
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u32 hnc_tx_1522_frames; /* Tx 1024-1522 bytes frames */
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u32 hnc_tx_9022_frames; /* Tx 1523-9022 bytes frames */
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u32 hnc_rx_valid_bytes; /* Rx valid bytes */
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u32 hnc_rx_runt_pkts; /* Rx error runt packets */
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u32 hnc_rx_jabber_pkts; /* Rx error jabber packets */
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u32 ncsi_rx_cmds; /* Rx NCSI commands */
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u32 ncsi_dropped_cmds; /* Dropped commands */
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u32 ncsi_cmd_type_errs; /* Command type errors */
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u32 ncsi_cmd_csum_errs; /* Command checksum errors */
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u32 ncsi_rx_pkts; /* Rx NCSI packets */
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u32 ncsi_tx_pkts; /* Tx NCSI packets */
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u32 ncsi_tx_aen_pkts; /* Tx AEN packets */
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u32 pt_tx_pkts; /* Tx packets */
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u32 pt_tx_dropped; /* Tx dropped packets */
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u32 pt_tx_channel_err; /* Tx channel errors */
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u32 pt_tx_us_err; /* Tx undersize errors */
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u32 pt_rx_pkts; /* Rx packets */
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u32 pt_rx_dropped; /* Rx dropped packets */
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u32 pt_rx_channel_err; /* Rx channel errors */
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u32 pt_rx_us_err; /* Rx undersize errors */
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u32 pt_rx_os_err; /* Rx oversize errors */
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};
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struct ncsi_dev_priv;
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struct ncsi_package;
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#define NCSI_PACKAGE_SHIFT 5
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#define NCSI_PACKAGE_INDEX(c) (((c) >> NCSI_PACKAGE_SHIFT) & 0x7)
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#define NCSI_RESERVED_CHANNEL 0x1f
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#define NCSI_CHANNEL_INDEX(c) ((c) & ((1 << NCSI_PACKAGE_SHIFT) - 1))
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#define NCSI_TO_CHANNEL(p, c) (((p) << NCSI_PACKAGE_SHIFT) | (c))
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#define NCSI_MAX_PACKAGE 8
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#define NCSI_MAX_CHANNEL 32
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struct ncsi_channel {
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unsigned char id;
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int state;
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#define NCSI_CHANNEL_INACTIVE 1
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#define NCSI_CHANNEL_ACTIVE 2
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#define NCSI_CHANNEL_INVISIBLE 3
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bool reconfigure_needed;
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spinlock_t lock; /* Protect filters etc */
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struct ncsi_package *package;
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struct ncsi_channel_version version;
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struct ncsi_channel_cap caps[NCSI_CAP_MAX];
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struct ncsi_channel_mode modes[NCSI_MODE_MAX];
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/* Filtering Settings */
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struct ncsi_channel_mac_filter mac_filter;
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struct ncsi_channel_vlan_filter vlan_filter;
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struct ncsi_channel_stats stats;
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struct {
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struct timer_list timer;
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bool enabled;
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unsigned int state;
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#define NCSI_CHANNEL_MONITOR_START 0
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#define NCSI_CHANNEL_MONITOR_RETRY 1
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#define NCSI_CHANNEL_MONITOR_WAIT 2
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#define NCSI_CHANNEL_MONITOR_WAIT_MAX 5
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} monitor;
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struct list_head node;
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struct list_head link;
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};
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struct ncsi_package {
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unsigned char id; /* NCSI 3-bits package ID */
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unsigned char uuid[16]; /* UUID */
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struct ncsi_dev_priv *ndp; /* NCSI device */
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spinlock_t lock; /* Protect the package */
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unsigned int channel_num; /* Number of channels */
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struct list_head channels; /* List of channels */
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struct list_head node; /* Form list of packages */
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bool multi_channel; /* Enable multiple channels */
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u32 channel_whitelist; /* Channels to configure */
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struct ncsi_channel *preferred_channel; /* Primary channel */
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};
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struct ncsi_request {
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unsigned char id; /* Request ID - 0 to 255 */
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bool used; /* Request that has been assigned */
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unsigned int flags; /* NCSI request property */
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#define NCSI_REQ_FLAG_EVENT_DRIVEN 1
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#define NCSI_REQ_FLAG_NETLINK_DRIVEN 2
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struct ncsi_dev_priv *ndp; /* Associated NCSI device */
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struct sk_buff *cmd; /* Associated NCSI command packet */
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struct sk_buff *rsp; /* Associated NCSI response packet */
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struct timer_list timer; /* Timer on waiting for response */
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bool enabled; /* Time has been enabled or not */
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u32 snd_seq; /* netlink sending sequence number */
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u32 snd_portid; /* netlink portid of sender */
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struct nlmsghdr nlhdr; /* netlink message header */
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};
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enum {
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ncsi_dev_state_major = 0xff00,
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ncsi_dev_state_minor = 0x00ff,
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ncsi_dev_state_probe_deselect = 0x0201,
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ncsi_dev_state_probe_package,
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ncsi_dev_state_probe_channel,
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ncsi_dev_state_probe_mlx_gma,
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ncsi_dev_state_probe_mlx_smaf,
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ncsi_dev_state_probe_cis,
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ncsi_dev_state_probe_keep_phy,
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ncsi_dev_state_probe_gvi,
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ncsi_dev_state_probe_gc,
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ncsi_dev_state_probe_gls,
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ncsi_dev_state_probe_dp,
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ncsi_dev_state_config_sp = 0x0301,
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ncsi_dev_state_config_cis,
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ncsi_dev_state_config_oem_gma,
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ncsi_dev_state_config_clear_vids,
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ncsi_dev_state_config_svf,
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ncsi_dev_state_config_ev,
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ncsi_dev_state_config_sma,
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ncsi_dev_state_config_ebf,
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ncsi_dev_state_config_dgmf,
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ncsi_dev_state_config_ecnt,
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ncsi_dev_state_config_ec,
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ncsi_dev_state_config_ae,
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ncsi_dev_state_config_gls,
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ncsi_dev_state_config_done,
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ncsi_dev_state_suspend_select = 0x0401,
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ncsi_dev_state_suspend_gls,
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ncsi_dev_state_suspend_dcnt,
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ncsi_dev_state_suspend_dc,
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ncsi_dev_state_suspend_deselect,
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ncsi_dev_state_suspend_done
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};
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struct vlan_vid {
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struct list_head list;
|
||
|
|
__be16 proto;
|
||
|
|
u16 vid;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ncsi_dev_priv {
|
||
|
|
struct ncsi_dev ndev; /* Associated NCSI device */
|
||
|
|
unsigned int flags; /* NCSI device flags */
|
||
|
|
#define NCSI_DEV_PROBED 1 /* Finalized NCSI topology */
|
||
|
|
#define NCSI_DEV_HWA 2 /* Enabled HW arbitration */
|
||
|
|
#define NCSI_DEV_RESHUFFLE 4
|
||
|
|
#define NCSI_DEV_RESET 8 /* Reset state of NC */
|
||
|
|
unsigned int gma_flag; /* OEM GMA flag */
|
||
|
|
spinlock_t lock; /* Protect the NCSI device */
|
||
|
|
unsigned int package_probe_id;/* Current ID during probe */
|
||
|
|
unsigned int package_num; /* Number of packages */
|
||
|
|
struct list_head packages; /* List of packages */
|
||
|
|
struct ncsi_channel *hot_channel; /* Channel was ever active */
|
||
|
|
struct ncsi_request requests[256]; /* Request table */
|
||
|
|
unsigned int request_id; /* Last used request ID */
|
||
|
|
#define NCSI_REQ_START_IDX 1
|
||
|
|
unsigned int pending_req_num; /* Number of pending requests */
|
||
|
|
struct ncsi_package *active_package; /* Currently handled package */
|
||
|
|
struct ncsi_channel *active_channel; /* Currently handled channel */
|
||
|
|
struct list_head channel_queue; /* Config queue of channels */
|
||
|
|
struct work_struct work; /* For channel management */
|
||
|
|
struct packet_type ptype; /* NCSI packet Rx handler */
|
||
|
|
struct list_head node; /* Form NCSI device list */
|
||
|
|
#define NCSI_MAX_VLAN_VIDS 15
|
||
|
|
struct list_head vlan_vids; /* List of active VLAN IDs */
|
||
|
|
|
||
|
|
bool multi_package; /* Enable multiple packages */
|
||
|
|
bool mlx_multi_host; /* Enable multi host Mellanox */
|
||
|
|
u32 package_whitelist; /* Packages to configure */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ncsi_cmd_arg {
|
||
|
|
struct ncsi_dev_priv *ndp; /* Associated NCSI device */
|
||
|
|
unsigned char type; /* Command in the NCSI packet */
|
||
|
|
unsigned char id; /* Request ID (sequence number) */
|
||
|
|
unsigned char package; /* Destination package ID */
|
||
|
|
unsigned char channel; /* Destination channel ID or 0x1f */
|
||
|
|
unsigned short payload; /* Command packet payload length */
|
||
|
|
unsigned int req_flags; /* NCSI request properties */
|
||
|
|
union {
|
||
|
|
unsigned char bytes[16]; /* Command packet specific data */
|
||
|
|
unsigned short words[8];
|
||
|
|
unsigned int dwords[4];
|
||
|
|
};
|
||
|
|
unsigned char *data; /* NCSI OEM data */
|
||
|
|
struct genl_info *info; /* Netlink information */
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct list_head ncsi_dev_list;
|
||
|
|
extern spinlock_t ncsi_dev_lock;
|
||
|
|
|
||
|
|
#define TO_NCSI_DEV_PRIV(nd) \
|
||
|
|
container_of(nd, struct ncsi_dev_priv, ndev)
|
||
|
|
#define NCSI_FOR_EACH_DEV(ndp) \
|
||
|
|
list_for_each_entry_rcu(ndp, &ncsi_dev_list, node)
|
||
|
|
#define NCSI_FOR_EACH_PACKAGE(ndp, np) \
|
||
|
|
list_for_each_entry_rcu(np, &ndp->packages, node)
|
||
|
|
#define NCSI_FOR_EACH_CHANNEL(np, nc) \
|
||
|
|
list_for_each_entry_rcu(nc, &np->channels, node)
|
||
|
|
|
||
|
|
/* Resources */
|
||
|
|
int ncsi_reset_dev(struct ncsi_dev *nd);
|
||
|
|
void ncsi_start_channel_monitor(struct ncsi_channel *nc);
|
||
|
|
void ncsi_stop_channel_monitor(struct ncsi_channel *nc);
|
||
|
|
struct ncsi_channel *ncsi_find_channel(struct ncsi_package *np,
|
||
|
|
unsigned char id);
|
||
|
|
struct ncsi_channel *ncsi_add_channel(struct ncsi_package *np,
|
||
|
|
unsigned char id);
|
||
|
|
struct ncsi_package *ncsi_find_package(struct ncsi_dev_priv *ndp,
|
||
|
|
unsigned char id);
|
||
|
|
struct ncsi_package *ncsi_add_package(struct ncsi_dev_priv *ndp,
|
||
|
|
unsigned char id);
|
||
|
|
void ncsi_remove_package(struct ncsi_package *np);
|
||
|
|
void ncsi_find_package_and_channel(struct ncsi_dev_priv *ndp,
|
||
|
|
unsigned char id,
|
||
|
|
struct ncsi_package **np,
|
||
|
|
struct ncsi_channel **nc);
|
||
|
|
struct ncsi_request *ncsi_alloc_request(struct ncsi_dev_priv *ndp,
|
||
|
|
unsigned int req_flags);
|
||
|
|
void ncsi_free_request(struct ncsi_request *nr);
|
||
|
|
struct ncsi_dev *ncsi_find_dev(struct net_device *dev);
|
||
|
|
int ncsi_process_next_channel(struct ncsi_dev_priv *ndp);
|
||
|
|
bool ncsi_channel_has_link(struct ncsi_channel *channel);
|
||
|
|
bool ncsi_channel_is_last(struct ncsi_dev_priv *ndp,
|
||
|
|
struct ncsi_channel *channel);
|
||
|
|
int ncsi_update_tx_channel(struct ncsi_dev_priv *ndp,
|
||
|
|
struct ncsi_package *np,
|
||
|
|
struct ncsi_channel *disable,
|
||
|
|
struct ncsi_channel *enable);
|
||
|
|
|
||
|
|
/* Packet handlers */
|
||
|
|
u32 ncsi_calculate_checksum(unsigned char *data, int len);
|
||
|
|
int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca);
|
||
|
|
int ncsi_rcv_rsp(struct sk_buff *skb, struct net_device *dev,
|
||
|
|
struct packet_type *pt, struct net_device *orig_dev);
|
||
|
|
int ncsi_aen_handler(struct ncsi_dev_priv *ndp, struct sk_buff *skb);
|
||
|
|
|
||
|
|
#endif /* __NCSI_INTERNAL_H__ */
|