diff options
| author | Arend van Spriel <arend.vanspriel@broadcom.com> | 2018-09-05 09:48:58 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-09-20 15:09:30 +0300 |
| commit | 330994e8e8ec5d0b269a5265e6032b37e29aa336 (patch) | |
| tree | b8eff5e23b5dabfdd9524d6af7ed8a61a65161bb | |
| parent | d18afb2a037efd4239ab90c351ec0e2aad72a203 (diff) | |
brcmfmac: fix for proper support of 160MHz bandwidth
Decoding of firmware channel information was not complete for 160MHz
support. This resulted in the following warning:
WARNING: CPU: 2 PID: 2222 at .../broadcom/brcm80211/brcmutil/d11.c:196
brcmu_d11ac_decchspec+0x2e/0x100 [brcmutil]
Modules linked in: brcmfmac(O) brcmutil(O) sha256_generic cfg80211 ...
CPU: 2 PID: 2222 Comm: kworker/2:0 Tainted: G O
4.17.0-wt-testing-x64-00002-gf1bed50 #1
Hardware name: Dell Inc. Latitude E6410/07XJP9, BIOS A07 02/15/2011
Workqueue: events request_firmware_work_func
RIP: 0010:brcmu_d11ac_decchspec+0x2e/0x100 [brcmutil]
RSP: 0018:ffffc90000047bd0 EFLAGS: 00010206
RAX: 000000000000e832 RBX: ffff8801146fe910 RCX: ffff8801146fd3c0
RDX: 0000000000002800 RSI: 0000000000000070 RDI: ffffc90000047c30
RBP: ffffc90000047bd0 R08: 0000000000000000 R09: ffffffffa0798c80
R10: ffff88012bca55e0 R11: ffff880110a4ea00 R12: ffff8801146f8000
R13: ffffc90000047c30 R14: ffff8801146fe930 R15: ffff8801138e02e0
FS: 0000000000000000(0000) GS:ffff88012bc80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18ce8b8070 CR3: 000000000200a003 CR4: 00000000000206e0
Call Trace:
brcmf_setup_wiphybands+0x212/0x780 [brcmfmac]
brcmf_cfg80211_attach+0xae2/0x11a0 [brcmfmac]
brcmf_attach+0x1fc/0x4b0 [brcmfmac]
? __kmalloc+0x13c/0x1c0
brcmf_pcie_setup+0x99b/0xe00 [brcmfmac]
brcmf_fw_request_done+0x16a/0x1f0 [brcmfmac]
request_firmware_work_func+0x36/0x60
process_one_work+0x146/0x350
worker_thread+0x4a/0x3b0
kthread+0x102/0x140
? process_one_work+0x350/0x350
? kthread_bind+0x20/0x20
ret_from_fork+0x35/0x40
Code: 66 90 0f b7 07 55 48 89 e5 89 c2 88 47 02 88 47 03 66 81 e2 00 38
66 81 fa 00 18 74 6e 66 81 fa 00 20 74 39 66 81 fa 00 10 74 14 <0f>
0b 66 25 00 c0 74 20 66 3d 00 c0 75 20 c6 47 04 01 5d c3 66
---[ end trace 550c46682415b26d ]---
brcmfmac: brcmf_construct_chaninfo: Ignoring unexpected firmware channel 50
This patch adds the missing stuff to properly handle this.
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c | 34 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h | 2 |
2 files changed, 35 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c index d8b79cb72b58..e7584b842dce 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c @@ -77,6 +77,8 @@ static u16 d11ac_bw(enum brcmu_chan_bw bw) return BRCMU_CHSPEC_D11AC_BW_40; case BRCMU_CHAN_BW_80: return BRCMU_CHSPEC_D11AC_BW_80; + case BRCMU_CHAN_BW_160: + return BRCMU_CHSPEC_D11AC_BW_160; default: WARN_ON(1); } @@ -190,8 +192,38 @@ static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) break; } break; - case BRCMU_CHSPEC_D11AC_BW_8080: case BRCMU_CHSPEC_D11AC_BW_160: + switch (ch->sb) { + case BRCMU_CHAN_SB_LLL: + ch->control_ch_num -= CH_70MHZ_APART; + break; + case BRCMU_CHAN_SB_LLU: + ch->control_ch_num -= CH_50MHZ_APART; + break; + case BRCMU_CHAN_SB_LUL: + ch->control_ch_num -= CH_30MHZ_APART; + break; + case BRCMU_CHAN_SB_LUU: + ch->control_ch_num -= CH_10MHZ_APART; + break; + case BRCMU_CHAN_SB_ULL: + ch->control_ch_num += CH_10MHZ_APART; + break; + case BRCMU_CHAN_SB_ULU: + ch->control_ch_num += CH_30MHZ_APART; + break; + case BRCMU_CHAN_SB_UUL: + ch->control_ch_num += CH_50MHZ_APART; + break; + case BRCMU_CHAN_SB_UUU: + ch->control_ch_num += CH_70MHZ_APART; + break; + default: + WARN_ON_ONCE(1); + break; + } + break; + case BRCMU_CHSPEC_D11AC_BW_8080: default: WARN_ON_ONCE(1); break; diff --git a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h index 91fca79e6158..dddebaa60352 100644 --- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h +++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h @@ -29,6 +29,8 @@ #define CH_UPPER_SB 0x01 #define CH_LOWER_SB 0x02 #define CH_EWA_VALID 0x04 +#define CH_70MHZ_APART 14 +#define CH_50MHZ_APART 10 #define CH_30MHZ_APART 6 #define CH_20MHZ_APART 4 #define CH_10MHZ_APART 2 |