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wifi: rtw89: ser: L1 add pre-M0 and post-M0 states
authorZong-Zhe Yang <kevin_yang@realtek.com>
Mon, 8 May 2023 08:43:34 +0000 (16:43 +0800)
committerKalle Valo <kvalo@kernel.org>
Thu, 11 May 2023 13:19:50 +0000 (16:19 +0300)
commit56617fd02adbf2ce7e18469895846ba82150cb1f
tree887b799ac11b1eeee957d7dea902a707eab9b439
parentaa70fa4f7dd80e4e495c30ff10a6c373c26902e0
wifi: rtw89: ser: L1 add pre-M0 and post-M0 states

Newer FW re-design SER (syetem error recovery) L1 (level 1) flow.
New L1 flow will expect two extra states before original L1 flow.

* Before:
fw --- M1 --> driver
fw <-- M2 --- driver
fw --- M3 --> driver
fw <-- M4 --- driver
fw --- M5 --> driver

* After:
fw --- pre-M0  --> driver
fw <-- post-M0 --- driver
fw --- M1 --> driver
fw <-- M2 --- driver
fw --- M3 --> driver
fw <-- M4 --- driver
fw --- M5 --> driver

Then before M1, FW gets one more interval to deal with things that FW
should have handled well. To consider backward/forward compatibility,
FW and driver won't change flow from M1 to M5. (only except that halt
trigger control will change a little bit.) So, there will be two differnt
starting points of SER L1.
* old FW: SER L1 starts from M1
* new FW: SER L1 starts from pre-M0
Then, driver adds the new SER L1 entry and also keep the original one
instead of changing it.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230508084335.42953-3-pkshih@realtek.com
drivers/net/wireless/realtek/rtw89/core.h
drivers/net/wireless/realtek/rtw89/mac.c
drivers/net/wireless/realtek/rtw89/mac.h
drivers/net/wireless/realtek/rtw89/ser.c