711 lines
19 KiB
C
711 lines
19 KiB
C
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/* Copyright(c) 2019-2020 Realtek Corporation
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*/
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#include "cam.h"
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#include "debug.h"
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#include "fw.h"
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#include "mac.h"
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static struct sk_buff *
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rtw89_cam_get_sec_key_cmd(struct rtw89_dev *rtwdev,
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struct rtw89_sec_cam_entry *sec_cam,
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bool ext_key)
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{
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struct sk_buff *skb;
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u32 cmd_len = H2C_SEC_CAM_LEN;
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u32 key32[4];
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u8 *cmd;
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int i, j;
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skb = rtw89_fw_h2c_alloc_skb_with_hdr(cmd_len);
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if (!skb)
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return NULL;
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skb_put_zero(skb, cmd_len);
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for (i = 0; i < 4; i++) {
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j = i * 4;
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j += ext_key ? 16 : 0;
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key32[i] = FIELD_PREP(GENMASK(7, 0), sec_cam->key[j + 0]) |
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FIELD_PREP(GENMASK(15, 8), sec_cam->key[j + 1]) |
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FIELD_PREP(GENMASK(23, 16), sec_cam->key[j + 2]) |
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FIELD_PREP(GENMASK(31, 24), sec_cam->key[j + 3]);
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}
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cmd = skb->data;
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RTW89_SET_FWCMD_SEC_IDX(cmd, sec_cam->sec_cam_idx + (ext_key ? 1 : 0));
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RTW89_SET_FWCMD_SEC_OFFSET(cmd, sec_cam->offset);
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RTW89_SET_FWCMD_SEC_LEN(cmd, sec_cam->len);
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RTW89_SET_FWCMD_SEC_TYPE(cmd, sec_cam->type);
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RTW89_SET_FWCMD_SEC_EXT_KEY(cmd, ext_key);
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RTW89_SET_FWCMD_SEC_SPP_MODE(cmd, sec_cam->spp_mode);
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RTW89_SET_FWCMD_SEC_KEY0(cmd, key32[0]);
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RTW89_SET_FWCMD_SEC_KEY1(cmd, key32[1]);
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RTW89_SET_FWCMD_SEC_KEY2(cmd, key32[2]);
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RTW89_SET_FWCMD_SEC_KEY3(cmd, key32[3]);
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return skb;
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}
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static int rtw89_cam_send_sec_key_cmd(struct rtw89_dev *rtwdev,
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struct rtw89_sec_cam_entry *sec_cam)
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{
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struct sk_buff *skb, *ext_skb;
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int ret;
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skb = rtw89_cam_get_sec_key_cmd(rtwdev, sec_cam, false);
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if (!skb) {
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rtw89_err(rtwdev, "failed to get sec key command\n");
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return -ENOMEM;
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}
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rtw89_h2c_pkt_set_hdr(rtwdev, skb,
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FWCMD_TYPE_H2C,
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H2C_CAT_MAC,
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H2C_CL_MAC_SEC_CAM,
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H2C_FUNC_MAC_SEC_UPD, 1, 0,
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H2C_SEC_CAM_LEN);
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ret = rtw89_h2c_tx(rtwdev, skb, false);
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if (ret) {
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rtw89_err(rtwdev, "failed to send sec key h2c: %d\n", ret);
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dev_kfree_skb(skb);
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return ret;
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}
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if (!sec_cam->ext_key)
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return 0;
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ext_skb = rtw89_cam_get_sec_key_cmd(rtwdev, sec_cam, true);
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if (!ext_skb) {
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rtw89_err(rtwdev, "failed to get ext sec key command\n");
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return -ENOMEM;
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}
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rtw89_h2c_pkt_set_hdr(rtwdev, ext_skb,
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FWCMD_TYPE_H2C,
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H2C_CAT_MAC,
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H2C_CL_MAC_SEC_CAM,
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H2C_FUNC_MAC_SEC_UPD,
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1, 0, H2C_SEC_CAM_LEN);
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ret = rtw89_h2c_tx(rtwdev, ext_skb, false);
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if (ret) {
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rtw89_err(rtwdev, "failed to send ext sec key h2c: %d\n", ret);
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dev_kfree_skb(ext_skb);
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return ret;
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}
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return 0;
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}
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static int rtw89_cam_get_avail_sec_cam(struct rtw89_dev *rtwdev,
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u8 *sec_cam_idx, bool ext_key)
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{
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const struct rtw89_chip_info *chip = rtwdev->chip;
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struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
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u8 sec_cam_num = chip->scam_num;
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u8 idx = 0;
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if (!ext_key) {
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idx = find_first_zero_bit(cam_info->sec_cam_map, sec_cam_num);
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if (idx >= sec_cam_num)
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return -EBUSY;
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set_bit(idx, cam_info->sec_cam_map);
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*sec_cam_idx = idx;
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return 0;
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}
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again:
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idx = find_next_zero_bit(cam_info->sec_cam_map, sec_cam_num, idx);
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if (idx >= sec_cam_num - 1)
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return -EBUSY;
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/* ext keys need two cam entries for 256-bit key */
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if (test_bit(idx + 1, cam_info->sec_cam_map)) {
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idx++;
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goto again;
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}
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set_bit(idx, cam_info->sec_cam_map);
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set_bit(idx + 1, cam_info->sec_cam_map);
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*sec_cam_idx = idx;
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return 0;
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}
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static int rtw89_cam_get_addr_cam_key_idx(struct rtw89_addr_cam_entry *addr_cam,
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struct rtw89_sec_cam_entry *sec_cam,
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struct ieee80211_key_conf *key,
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u8 *key_idx)
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{
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u8 idx;
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/* RTW89_ADDR_CAM_SEC_NONE : not enabled
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* RTW89_ADDR_CAM_SEC_ALL_UNI : 0 - 6 unicast
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* RTW89_ADDR_CAM_SEC_NORMAL : 0 - 1 unicast, 2 - 4 group, 5 - 6 BIP
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* RTW89_ADDR_CAM_SEC_4GROUP : 0 - 1 unicast, 2 - 5 group, 6 BIP
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*/
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switch (addr_cam->sec_ent_mode) {
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case RTW89_ADDR_CAM_SEC_NONE:
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return -EINVAL;
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case RTW89_ADDR_CAM_SEC_ALL_UNI:
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if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
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return -EINVAL;
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idx = find_first_zero_bit(addr_cam->sec_cam_map,
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RTW89_SEC_CAM_IN_ADDR_CAM);
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if (idx >= RTW89_SEC_CAM_IN_ADDR_CAM)
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return -EBUSY;
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*key_idx = idx;
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break;
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case RTW89_ADDR_CAM_SEC_NORMAL:
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if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) {
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idx = find_next_zero_bit(addr_cam->sec_cam_map,
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RTW89_SEC_CAM_IN_ADDR_CAM, 5);
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if (idx > 6)
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return -EBUSY;
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*key_idx = idx;
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break;
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}
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if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
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idx = find_next_zero_bit(addr_cam->sec_cam_map,
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RTW89_SEC_CAM_IN_ADDR_CAM, 0);
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if (idx > 1)
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return -EBUSY;
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*key_idx = idx;
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break;
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}
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/* Group keys */
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idx = find_next_zero_bit(addr_cam->sec_cam_map,
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RTW89_SEC_CAM_IN_ADDR_CAM, 2);
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if (idx > 4)
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return -EBUSY;
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*key_idx = idx;
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break;
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case RTW89_ADDR_CAM_SEC_4GROUP:
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if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) {
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if (test_bit(6, addr_cam->sec_cam_map))
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return -EINVAL;
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*key_idx = 6;
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break;
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}
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if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
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idx = find_next_zero_bit(addr_cam->sec_cam_map,
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RTW89_SEC_CAM_IN_ADDR_CAM, 0);
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if (idx > 1)
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return -EBUSY;
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*key_idx = idx;
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break;
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}
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/* Group keys */
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idx = find_next_zero_bit(addr_cam->sec_cam_map,
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RTW89_SEC_CAM_IN_ADDR_CAM, 2);
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if (idx > 5)
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return -EBUSY;
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*key_idx = idx;
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break;
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}
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return 0;
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}
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static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev,
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struct ieee80211_vif *vif,
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struct ieee80211_sta *sta,
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struct ieee80211_key_conf *key,
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struct rtw89_sec_cam_entry *sec_cam)
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{
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struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
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struct rtw89_vif *rtwvif;
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struct rtw89_addr_cam_entry *addr_cam;
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u8 key_idx = 0;
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int ret;
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if (!vif) {
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rtw89_err(rtwdev, "No iface for adding sec cam\n");
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return -EINVAL;
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}
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rtwvif = (struct rtw89_vif *)vif->drv_priv;
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addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
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ret = rtw89_cam_get_addr_cam_key_idx(addr_cam, sec_cam, key, &key_idx);
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if (ret) {
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rtw89_err(rtwdev, "failed to get addr cam key idx %d, %d\n",
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addr_cam->sec_ent_mode, sec_cam->type);
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return ret;
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}
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key->hw_key_idx = key_idx;
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addr_cam->sec_ent_keyid[key_idx] = key->keyidx;
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addr_cam->sec_ent[key_idx] = sec_cam->sec_cam_idx;
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addr_cam->sec_entries[key_idx] = sec_cam;
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set_bit(key_idx, addr_cam->sec_cam_map);
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ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
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if (ret) {
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rtw89_err(rtwdev, "failed to update addr cam sec entry: %d\n",
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ret);
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clear_bit(key_idx, addr_cam->sec_cam_map);
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addr_cam->sec_entries[key_idx] = NULL;
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return ret;
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}
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return 0;
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}
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static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev,
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struct ieee80211_vif *vif,
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struct ieee80211_sta *sta,
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struct ieee80211_key_conf *key,
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u8 hw_key_type, bool ext_key)
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{
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struct rtw89_sec_cam_entry *sec_cam = NULL;
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struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
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u8 sec_cam_idx;
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int ret;
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/* maximum key length 256-bit */
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if (key->keylen > 32) {
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rtw89_err(rtwdev, "invalid sec key length %d\n", key->keylen);
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return -EINVAL;
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}
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ret = rtw89_cam_get_avail_sec_cam(rtwdev, &sec_cam_idx, ext_key);
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if (ret) {
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rtw89_warn(rtwdev, "no available sec cam: %d ext: %d\n",
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ret, ext_key);
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return ret;
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}
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sec_cam = kzalloc(sizeof(*sec_cam), GFP_KERNEL);
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if (!sec_cam) {
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ret = -ENOMEM;
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goto err_release_cam;
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}
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sec_cam->sec_cam_idx = sec_cam_idx;
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sec_cam->type = hw_key_type;
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sec_cam->len = RTW89_SEC_CAM_LEN;
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sec_cam->ext_key = ext_key;
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memcpy(sec_cam->key, key->key, key->keylen);
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ret = rtw89_cam_send_sec_key_cmd(rtwdev, sec_cam);
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if (ret) {
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rtw89_err(rtwdev, "failed to send sec key cmd: %d\n", ret);
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goto err_release_cam;
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}
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/* associate with addr cam */
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ret = rtw89_cam_attach_sec_cam(rtwdev, vif, sta, key, sec_cam);
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if (ret) {
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rtw89_err(rtwdev, "failed to attach sec cam: %d\n", ret);
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goto err_release_cam;
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}
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return 0;
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err_release_cam:
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kfree(sec_cam);
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clear_bit(sec_cam_idx, cam_info->sec_cam_map);
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if (ext_key)
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clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
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return ret;
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}
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int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev,
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struct ieee80211_vif *vif,
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struct ieee80211_sta *sta,
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struct ieee80211_key_conf *key)
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{
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u8 hw_key_type;
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bool ext_key = false;
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int ret;
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switch (key->cipher) {
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case WLAN_CIPHER_SUITE_WEP40:
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hw_key_type = RTW89_SEC_KEY_TYPE_WEP40;
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break;
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case WLAN_CIPHER_SUITE_WEP104:
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hw_key_type = RTW89_SEC_KEY_TYPE_WEP104;
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break;
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case WLAN_CIPHER_SUITE_CCMP:
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hw_key_type = RTW89_SEC_KEY_TYPE_CCMP128;
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key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
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break;
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case WLAN_CIPHER_SUITE_CCMP_256:
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hw_key_type = RTW89_SEC_KEY_TYPE_CCMP256;
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key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
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ext_key = true;
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break;
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case WLAN_CIPHER_SUITE_GCMP:
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|
|
hw_key_type = RTW89_SEC_KEY_TYPE_GCMP128;
|
||
|
|
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
|
||
|
|
break;
|
||
|
|
case WLAN_CIPHER_SUITE_GCMP_256:
|
||
|
|
hw_key_type = RTW89_SEC_KEY_TYPE_GCMP256;
|
||
|
|
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
|
||
|
|
ext_key = true;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
|
||
|
|
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
|
||
|
|
|
||
|
|
ret = rtw89_cam_sec_key_install(rtwdev, vif, sta, key, hw_key_type,
|
||
|
|
ext_key);
|
||
|
|
if (ret) {
|
||
|
|
rtw89_err(rtwdev, "failed to install key type %d ext %d: %d\n",
|
||
|
|
hw_key_type, ext_key, ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev,
|
||
|
|
struct ieee80211_vif *vif,
|
||
|
|
struct ieee80211_sta *sta,
|
||
|
|
struct ieee80211_key_conf *key,
|
||
|
|
bool inform_fw)
|
||
|
|
{
|
||
|
|
struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
|
||
|
|
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
|
||
|
|
struct rtw89_vif *rtwvif;
|
||
|
|
struct rtw89_addr_cam_entry *addr_cam;
|
||
|
|
struct rtw89_sec_cam_entry *sec_cam;
|
||
|
|
u8 key_idx = key->hw_key_idx;
|
||
|
|
u8 sec_cam_idx;
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
if (!vif) {
|
||
|
|
rtw89_err(rtwdev, "No iface for deleting sec cam\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
rtwvif = (struct rtw89_vif *)vif->drv_priv;
|
||
|
|
addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
|
||
|
|
sec_cam = addr_cam->sec_entries[key_idx];
|
||
|
|
if (!sec_cam)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
/* detach sec cam from addr cam */
|
||
|
|
clear_bit(key_idx, addr_cam->sec_cam_map);
|
||
|
|
addr_cam->sec_entries[key_idx] = NULL;
|
||
|
|
if (inform_fw) {
|
||
|
|
ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
|
||
|
|
if (ret)
|
||
|
|
rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* clear valid bit in addr cam will disable sec cam,
|
||
|
|
* so we don't need to send H2C command again
|
||
|
|
*/
|
||
|
|
sec_cam_idx = sec_cam->sec_cam_idx;
|
||
|
|
clear_bit(sec_cam_idx, cam_info->sec_cam_map);
|
||
|
|
if (sec_cam->ext_key)
|
||
|
|
clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
|
||
|
|
|
||
|
|
kfree(sec_cam);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void rtw89_cam_reset_key_iter(struct ieee80211_hw *hw,
|
||
|
|
struct ieee80211_vif *vif,
|
||
|
|
struct ieee80211_sta *sta,
|
||
|
|
struct ieee80211_key_conf *key,
|
||
|
|
void *data)
|
||
|
|
{
|
||
|
|
struct rtw89_dev *rtwdev = (struct rtw89_dev *)data;
|
||
|
|
|
||
|
|
rtw89_cam_sec_key_del(rtwdev, vif, sta, key, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtw89_cam_deinit_addr_cam(struct rtw89_dev *rtwdev,
|
||
|
|
struct rtw89_addr_cam_entry *addr_cam)
|
||
|
|
{
|
||
|
|
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
|
||
|
|
|
||
|
|
addr_cam->valid = false;
|
||
|
|
clear_bit(addr_cam->addr_cam_idx, cam_info->addr_cam_map);
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtw89_cam_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
|
||
|
|
{
|
||
|
|
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
|
||
|
|
struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam;
|
||
|
|
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
|
||
|
|
|
||
|
|
rtw89_cam_deinit_addr_cam(rtwdev, addr_cam);
|
||
|
|
bssid_cam->valid = false;
|
||
|
|
clear_bit(bssid_cam->bssid_cam_idx, cam_info->bssid_cam_map);
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtw89_cam_reset_keys(struct rtw89_dev *rtwdev)
|
||
|
|
{
|
||
|
|
rcu_read_lock();
|
||
|
|
ieee80211_iter_keys_rcu(rtwdev->hw, NULL, rtw89_cam_reset_key_iter, rtwdev);
|
||
|
|
rcu_read_unlock();
|
||
|
|
}
|
||
|
|
|
||
|
|
static int rtw89_cam_get_avail_addr_cam(struct rtw89_dev *rtwdev,
|
||
|
|
u8 *addr_cam_idx)
|
||
|
|
{
|
||
|
|
const struct rtw89_chip_info *chip = rtwdev->chip;
|
||
|
|
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
|
||
|
|
u8 addr_cam_num = chip->acam_num;
|
||
|
|
u8 idx;
|
||
|
|
|
||
|
|
idx = find_first_zero_bit(cam_info->addr_cam_map, addr_cam_num);
|
||
|
|
if (idx >= addr_cam_num)
|
||
|
|
return -EBUSY;
|
||
|
|
|
||
|
|
set_bit(idx, cam_info->addr_cam_map);
|
||
|
|
*addr_cam_idx = idx;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int rtw89_cam_init_addr_cam(struct rtw89_dev *rtwdev,
|
||
|
|
struct rtw89_addr_cam_entry *addr_cam,
|
||
|
|
const struct rtw89_bssid_cam_entry *bssid_cam)
|
||
|
|
{
|
||
|
|
u8 addr_cam_idx;
|
||
|
|
int i;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (unlikely(addr_cam->valid)) {
|
||
|
|
rtw89_debug(rtwdev, RTW89_DBG_FW,
|
||
|
|
"addr cam is already valid; skip init\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = rtw89_cam_get_avail_addr_cam(rtwdev, &addr_cam_idx);
|
||
|
|
if (ret) {
|
||
|
|
rtw89_err(rtwdev, "failed to get available addr cam\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
addr_cam->addr_cam_idx = addr_cam_idx;
|
||
|
|
addr_cam->len = ADDR_CAM_ENT_SIZE;
|
||
|
|
addr_cam->offset = 0;
|
||
|
|
addr_cam->valid = true;
|
||
|
|
addr_cam->addr_mask = 0;
|
||
|
|
addr_cam->mask_sel = RTW89_NO_MSK;
|
||
|
|
addr_cam->sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL;
|
||
|
|
bitmap_zero(addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM);
|
||
|
|
|
||
|
|
for (i = 0; i < RTW89_SEC_CAM_IN_ADDR_CAM; i++) {
|
||
|
|
addr_cam->sec_ent_keyid[i] = 0;
|
||
|
|
addr_cam->sec_ent[i] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* associate addr cam with bssid cam */
|
||
|
|
addr_cam->bssid_cam_idx = bssid_cam->bssid_cam_idx;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int rtw89_cam_get_avail_bssid_cam(struct rtw89_dev *rtwdev,
|
||
|
|
u8 *bssid_cam_idx)
|
||
|
|
{
|
||
|
|
const struct rtw89_chip_info *chip = rtwdev->chip;
|
||
|
|
struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
|
||
|
|
u8 bssid_cam_num = chip->bcam_num;
|
||
|
|
u8 idx;
|
||
|
|
|
||
|
|
idx = find_first_zero_bit(cam_info->bssid_cam_map, bssid_cam_num);
|
||
|
|
if (idx >= bssid_cam_num)
|
||
|
|
return -EBUSY;
|
||
|
|
|
||
|
|
set_bit(idx, cam_info->bssid_cam_map);
|
||
|
|
*bssid_cam_idx = idx;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int rtw89_cam_init_bssid_cam(struct rtw89_dev *rtwdev,
|
||
|
|
struct rtw89_vif *rtwvif)
|
||
|
|
{
|
||
|
|
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
|
||
|
|
u8 bssid_cam_idx;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (unlikely(bssid_cam->valid)) {
|
||
|
|
rtw89_debug(rtwdev, RTW89_DBG_FW,
|
||
|
|
"bssid cam is already valid; skip init\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = rtw89_cam_get_avail_bssid_cam(rtwdev, &bssid_cam_idx);
|
||
|
|
if (ret) {
|
||
|
|
rtw89_err(rtwdev, "failed to get available bssid cam\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
bssid_cam->bssid_cam_idx = bssid_cam_idx;
|
||
|
|
bssid_cam->phy_idx = rtwvif->phy_idx;
|
||
|
|
bssid_cam->len = BSSID_CAM_ENT_SIZE;
|
||
|
|
bssid_cam->offset = 0;
|
||
|
|
bssid_cam->valid = true;
|
||
|
|
ether_addr_copy(bssid_cam->bssid, rtwvif->bssid);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtw89_cam_bssid_changed(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
|
||
|
|
{
|
||
|
|
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
|
||
|
|
|
||
|
|
ether_addr_copy(bssid_cam->bssid, rtwvif->bssid);
|
||
|
|
}
|
||
|
|
|
||
|
|
int rtw89_cam_init(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
|
||
|
|
{
|
||
|
|
struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam;
|
||
|
|
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif);
|
||
|
|
if (ret) {
|
||
|
|
rtw89_err(rtwdev, "failed to init bssid cam\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = rtw89_cam_init_addr_cam(rtwdev, addr_cam, bssid_cam);
|
||
|
|
if (ret) {
|
||
|
|
rtw89_err(rtwdev, "failed to init addr cam\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
|
||
|
|
struct rtw89_vif *rtwvif, u8 *cmd)
|
||
|
|
{
|
||
|
|
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
|
||
|
|
struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam;
|
||
|
|
u8 bss_color = vif->bss_conf.he_bss_color.color;
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_BSSID_IDX(cmd, bssid_cam->bssid_cam_idx);
|
||
|
|
FWCMD_SET_ADDR_BSSID_OFFSET(cmd, bssid_cam->offset);
|
||
|
|
FWCMD_SET_ADDR_BSSID_LEN(cmd, bssid_cam->len);
|
||
|
|
FWCMD_SET_ADDR_BSSID_VALID(cmd, bssid_cam->valid);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BB_SEL(cmd, bssid_cam->phy_idx);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSS_COLOR(cmd, bss_color);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSSID0(cmd, bssid_cam->bssid[0]);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSSID1(cmd, bssid_cam->bssid[1]);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSSID2(cmd, bssid_cam->bssid[2]);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSSID3(cmd, bssid_cam->bssid[3]);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSSID4(cmd, bssid_cam->bssid[4]);
|
||
|
|
FWCMD_SET_ADDR_BSSID_BSSID5(cmd, bssid_cam->bssid[5]);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static u8 rtw89_cam_addr_hash(u8 start, const u8 *addr)
|
||
|
|
{
|
||
|
|
u8 hash = 0;
|
||
|
|
u8 i;
|
||
|
|
|
||
|
|
for (i = start; i < ETH_ALEN; i++)
|
||
|
|
hash ^= addr[i];
|
||
|
|
|
||
|
|
return hash;
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
|
||
|
|
struct rtw89_vif *rtwvif,
|
||
|
|
struct rtw89_sta *rtwsta,
|
||
|
|
const u8 *scan_mac_addr,
|
||
|
|
u8 *cmd)
|
||
|
|
{
|
||
|
|
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
|
||
|
|
struct rtw89_addr_cam_entry *addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
|
||
|
|
struct ieee80211_sta *sta = rtwsta_to_sta_safe(rtwsta);
|
||
|
|
const u8 *sma = scan_mac_addr ? scan_mac_addr : rtwvif->mac_addr;
|
||
|
|
u8 sma_hash, tma_hash, addr_msk_start;
|
||
|
|
u8 sma_start = 0;
|
||
|
|
u8 tma_start = 0;
|
||
|
|
u8 *tma = sta ? sta->addr : rtwvif->bssid;
|
||
|
|
|
||
|
|
if (addr_cam->addr_mask != 0) {
|
||
|
|
addr_msk_start = __ffs(addr_cam->addr_mask);
|
||
|
|
if (addr_cam->mask_sel == RTW89_SMA)
|
||
|
|
sma_start = addr_msk_start;
|
||
|
|
else if (addr_cam->mask_sel == RTW89_TMA)
|
||
|
|
tma_start = addr_msk_start;
|
||
|
|
}
|
||
|
|
sma_hash = rtw89_cam_addr_hash(sma_start, sma);
|
||
|
|
tma_hash = rtw89_cam_addr_hash(tma_start, tma);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_IDX(cmd, addr_cam->addr_cam_idx);
|
||
|
|
FWCMD_SET_ADDR_OFFSET(cmd, addr_cam->offset);
|
||
|
|
FWCMD_SET_ADDR_LEN(cmd, addr_cam->len);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_VALID(cmd, addr_cam->valid);
|
||
|
|
FWCMD_SET_ADDR_NET_TYPE(cmd, rtwvif->net_type);
|
||
|
|
FWCMD_SET_ADDR_BCN_HIT_COND(cmd, rtwvif->bcn_hit_cond);
|
||
|
|
FWCMD_SET_ADDR_HIT_RULE(cmd, rtwvif->hit_rule);
|
||
|
|
FWCMD_SET_ADDR_BB_SEL(cmd, rtwvif->phy_idx);
|
||
|
|
FWCMD_SET_ADDR_ADDR_MASK(cmd, addr_cam->addr_mask);
|
||
|
|
FWCMD_SET_ADDR_MASK_SEL(cmd, addr_cam->mask_sel);
|
||
|
|
FWCMD_SET_ADDR_SMA_HASH(cmd, sma_hash);
|
||
|
|
FWCMD_SET_ADDR_TMA_HASH(cmd, tma_hash);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_BSSID_CAM_IDX(cmd, addr_cam->bssid_cam_idx);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_SMA0(cmd, sma[0]);
|
||
|
|
FWCMD_SET_ADDR_SMA1(cmd, sma[1]);
|
||
|
|
FWCMD_SET_ADDR_SMA2(cmd, sma[2]);
|
||
|
|
FWCMD_SET_ADDR_SMA3(cmd, sma[3]);
|
||
|
|
FWCMD_SET_ADDR_SMA4(cmd, sma[4]);
|
||
|
|
FWCMD_SET_ADDR_SMA5(cmd, sma[5]);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_TMA0(cmd, tma[0]);
|
||
|
|
FWCMD_SET_ADDR_TMA1(cmd, tma[1]);
|
||
|
|
FWCMD_SET_ADDR_TMA2(cmd, tma[2]);
|
||
|
|
FWCMD_SET_ADDR_TMA3(cmd, tma[3]);
|
||
|
|
FWCMD_SET_ADDR_TMA4(cmd, tma[4]);
|
||
|
|
FWCMD_SET_ADDR_TMA5(cmd, tma[5]);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_PORT_INT(cmd, rtwvif->port);
|
||
|
|
FWCMD_SET_ADDR_TSF_SYNC(cmd, rtwvif->port);
|
||
|
|
FWCMD_SET_ADDR_TF_TRS(cmd, rtwvif->trigger);
|
||
|
|
FWCMD_SET_ADDR_LSIG_TXOP(cmd, rtwvif->lsig_txop);
|
||
|
|
FWCMD_SET_ADDR_TGT_IND(cmd, rtwvif->tgt_ind);
|
||
|
|
FWCMD_SET_ADDR_FRM_TGT_IND(cmd, rtwvif->frm_tgt_ind);
|
||
|
|
FWCMD_SET_ADDR_MACID(cmd, rtwsta ? rtwsta->mac_id : rtwvif->mac_id);
|
||
|
|
if (rtwvif->net_type == RTW89_NET_TYPE_INFRA)
|
||
|
|
FWCMD_SET_ADDR_AID12(cmd, vif->bss_conf.aid & 0xfff);
|
||
|
|
else if (rtwvif->net_type == RTW89_NET_TYPE_AP_MODE)
|
||
|
|
FWCMD_SET_ADDR_AID12(cmd, sta ? sta->aid & 0xfff : 0);
|
||
|
|
FWCMD_SET_ADDR_WOL_PATTERN(cmd, rtwvif->wowlan_pattern);
|
||
|
|
FWCMD_SET_ADDR_WOL_UC(cmd, rtwvif->wowlan_uc);
|
||
|
|
FWCMD_SET_ADDR_WOL_MAGIC(cmd, rtwvif->wowlan_magic);
|
||
|
|
FWCMD_SET_ADDR_WAPI(cmd, addr_cam->wapi);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT_MODE(cmd, addr_cam->sec_ent_mode);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT0_KEYID(cmd, addr_cam->sec_ent_keyid[0]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT1_KEYID(cmd, addr_cam->sec_ent_keyid[1]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT2_KEYID(cmd, addr_cam->sec_ent_keyid[2]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT3_KEYID(cmd, addr_cam->sec_ent_keyid[3]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT4_KEYID(cmd, addr_cam->sec_ent_keyid[4]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT5_KEYID(cmd, addr_cam->sec_ent_keyid[5]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT6_KEYID(cmd, addr_cam->sec_ent_keyid[6]);
|
||
|
|
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT_VALID(cmd, addr_cam->sec_cam_map[0] & 0xff);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT0(cmd, addr_cam->sec_ent[0]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT1(cmd, addr_cam->sec_ent[1]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT2(cmd, addr_cam->sec_ent[2]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT3(cmd, addr_cam->sec_ent[3]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT4(cmd, addr_cam->sec_ent[4]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT5(cmd, addr_cam->sec_ent[5]);
|
||
|
|
FWCMD_SET_ADDR_SEC_ENT6(cmd, addr_cam->sec_ent[6]);
|
||
|
|
}
|