diff options
| author | Tzu-En Huang <tehuang@realtek.com> | 2020-09-25 09:12:16 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-09-29 11:22:19 +0300 |
| commit | 5c831644e1f4c9d49cdc174e788742569d117e16 (patch) | |
| tree | 39c2b77632a9561fee3afc1ecc060d2e230c84a4 /drivers/net/wireless/realtek/rtw88/util.h | |
| parent | ee755732b7a16af018daa77d9562d2493fb7092f (diff) | |
| download | linux-5c831644e1f4c9d49cdc174e788742569d117e16.tar.xz | |
rtw88: handle and recover when firmware crash
This handles the situation when firmware crashes.
When firmware crashes, it will send an interrupt, and driver will queue
a work for recovery.
In the work, driver will reset it's internal association state, which
includes removing associated sta's macid, resetting vifs' states
and removing keys. After resetting the driver's state, driver will call
rtw_enter_ips() to force the chipset power off to reset the chip.
Finally, driver calls ieee80211_restart_hw() to inform mac80211 stack
to restart.
Since only 8822c firmware supports this feature, the interrupt will only
be triggered when 8822c chipset is loaded.
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200925061219.23754-3-tehuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/util.h')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/util.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/util.h b/drivers/net/wireless/realtek/rtw88/util.h index 41c10e7144df..0c23b5069be0 100644 --- a/drivers/net/wireless/realtek/rtw88/util.h +++ b/drivers/net/wireless/realtek/rtw88/util.h @@ -17,6 +17,8 @@ struct rtw_dev; ieee80211_iterate_stations_atomic(rtwdev->hw, iterator, data) #define rtw_iterate_keys(rtwdev, vif, iterator, data) \ ieee80211_iter_keys(rtwdev->hw, vif, iterator, data) +#define rtw_iterate_keys_rcu(rtwdev, vif, iterator, data) \ + ieee80211_iter_keys_rcu((rtwdev)->hw, vif, iterator, data) static inline u8 *get_hdr_bssid(struct ieee80211_hdr *hdr) { |