diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/cam.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw89/cam.c | 80 |
1 files changed, 51 insertions, 29 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/cam.c b/drivers/net/wireless/realtek/rtw89/cam.c index 1864f543a6c6..4557c6e035a9 100644 --- a/drivers/net/wireless/realtek/rtw89/cam.c +++ b/drivers/net/wireless/realtek/rtw89/cam.c @@ -211,6 +211,46 @@ static int rtw89_cam_get_addr_cam_key_idx(struct rtw89_addr_cam_entry *addr_cam, return 0; } +static int rtw89_cam_detach_sec_cam(struct rtw89_dev *rtwdev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + const struct rtw89_sec_cam_entry *sec_cam, + bool inform_fw) +{ + struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); + struct rtw89_vif *rtwvif; + struct rtw89_addr_cam_entry *addr_cam; + unsigned int i; + 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); + + for_each_set_bit(i, addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM) { + if (addr_cam->sec_ent[i] != sec_cam->sec_cam_idx) + continue; + + clear_bit(i, addr_cam->sec_cam_map); + } + + if (inform_fw) { + ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta); + if (ret) + rtw89_err(rtwdev, + "failed to update dctl cam del key: %d\n", ret); + ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); + if (ret) + rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret); + } + + return ret; +} + static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -242,10 +282,8 @@ static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev, return ret; } - key->hw_key_idx = key_idx; addr_cam->sec_ent_keyid[key_idx] = key->keyidx; addr_cam->sec_ent[key_idx] = sec_cam->sec_cam_idx; - addr_cam->sec_entries[key_idx] = sec_cam; set_bit(key_idx, addr_cam->sec_cam_map); ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta); if (ret) { @@ -258,7 +296,6 @@ static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev, rtw89_err(rtwdev, "failed to update addr cam sec entry: %d\n", ret); clear_bit(key_idx, addr_cam->sec_cam_map); - addr_cam->sec_entries[key_idx] = NULL; return ret; } @@ -295,6 +332,9 @@ static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev, goto err_release_cam; } + key->hw_key_idx = sec_cam_idx; + cam_info->sec_entries[sec_cam_idx] = sec_cam; + sec_cam->sec_cam_idx = sec_cam_idx; sec_cam->type = hw_key_type; sec_cam->len = RTW89_SEC_CAM_LEN; @@ -316,6 +356,7 @@ static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev, return 0; err_release_cam: + cam_info->sec_entries[sec_cam_idx] = NULL; kfree(sec_cam); clear_bit(sec_cam_idx, cam_info->sec_cam_map); if (ext_key) @@ -386,42 +427,22 @@ int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev, 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; + const struct rtw89_sec_cam_entry *sec_cam; u8 sec_cam_idx; - int ret = 0; - - if (!vif) { - rtw89_err(rtwdev, "No iface for deleting sec cam\n"); - return -EINVAL; - } + int ret; - rtwvif = (struct rtw89_vif *)vif->drv_priv; - addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta); - sec_cam = addr_cam->sec_entries[key_idx]; + sec_cam_idx = key->hw_key_idx; + sec_cam = cam_info->sec_entries[sec_cam_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_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta); - if (ret) - rtw89_err(rtwdev, "failed to update dctl cam del key: %d\n", ret); - ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); - if (ret) - rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret); - } + ret = rtw89_cam_detach_sec_cam(rtwdev, vif, sta, sec_cam, inform_fw); /* 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; + cam_info->sec_entries[sec_cam_idx] = NULL; 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); @@ -502,6 +523,7 @@ static u8 rtw89_get_addr_cam_entry_size(struct rtw89_dev *rtwdev) case RTL8852A: case RTL8852B: case RTL8851B: + case RTL8852BT: return ADDR_CAM_ENT_SIZE; default: return ADDR_CAM_ENT_SHORT_SIZE; |