Commit a734679b authored by Ashok Raj Nagarajan's avatar Ashok Raj Nagarajan Committed by Greg Kroah-Hartman

ath10k: fix get rx_status from htt context

commit 237e15df upstream.

On handling amsdu on rx path, get the rx_status from htt context. Without this
fix, we are seeing warnings when running DBDC traffic like this.

WARNING: CPU: 0 PID: 0 at net/mac80211/rx.c:4105 ieee80211_rx_napi+0x88/0x7d8 [mac80211]()

[ 1715.878248] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.18.21 #1
[ 1715.878273] [<c001d3f4>] (unwind_backtrace) from [<c001a4b0>] (show_stack+0x10/0x14)
[ 1715.878293] [<c001a4b0>] (show_stack) from [<c01bee64>] (dump_stack+0x70/0xbc)
[ 1715.878315] [<c01bee64>] (dump_stack) from [<c002a61c>] (warn_slowpath_common+0x64/0x88)
[ 1715.878339] [<c002a61c>] (warn_slowpath_common) from [<c002a6d0>] (warn_slowpath_null+0x18/0x20)
[ 1715.878395] [<c002a6d0>] (warn_slowpath_null) from [<bf4caa98>] (ieee80211_rx_napi+0x88/0x7d8 [mac80211])
[ 1715.878474] [<bf4caa98>] (ieee80211_rx_napi [mac80211]) from [<bf568658>] (ath10k_htt_t2h_msg_handler+0xb48/0xbfc [ath10k_core])
[ 1715.878535] [<bf568658>] (ath10k_htt_t2h_msg_handler [ath10k_core]) from [<bf568708>] (ath10k_htt_t2h_msg_handler+0xbf8/0xbfc [ath10k_core])
[ 1715.878597] [<bf568708>] (ath10k_htt_t2h_msg_handler [ath10k_core]) from [<bf569160>] (ath10k_htt_txrx_compl_task+0xa54/0x1170 [ath10k_core])
[ 1715.878639] [<bf569160>] (ath10k_htt_txrx_compl_task [ath10k_core]) from [<c002db14>] (tasklet_action+0xb4/0x130)
[ 1715.878659] [<c002db14>] (tasklet_action) from [<c002d110>] (__do_softirq+0xe0/0x210)
[ 1715.878678] [<c002d110>] (__do_softirq) from [<c002d4b4>] (irq_exit+0x84/0xe0)
[ 1715.878700] [<c002d4b4>] (irq_exit) from [<c005a544>] (__handle_domain_irq+0x98/0xd0)
[ 1715.878722] [<c005a544>] (__handle_domain_irq) from [<c00085f4>] (gic_handle_irq+0x38/0x5c)
[ 1715.878741] [<c00085f4>] (gic_handle_irq) from [<c0009680>] (__irq_svc+0x40/0x74)
[ 1715.878753] Exception stack(0xc05f9f50 to 0xc05f9f98)
[ 1715.878767] 9f40: ffffffed 00000000 00399e1e c000a220
[ 1715.878786] 9f60: 00000000 c05f6780 c05f8000 00000000 c05f5db8 ffffffed c05f8000 c04d1980
[ 1715.878802] 9f80: 00000000 c05f9f98 c0018110 c0018114 60000013 ffffffff
[ 1715.878822] [<c0009680>] (__irq_svc) from [<c0018114>] (arch_cpu_idle+0x2c/0x50)
[ 1715.878844] [<c0018114>] (arch_cpu_idle) from [<c00530d4>] (cpu_startup_entry+0x108/0x234)
[ 1715.878866] [<c00530d4>] (cpu_startup_entry) from [<c05c7be0>] (start_kernel+0x33c/0x3b8)
[ 1715.878879] ---[ end trace 6d5e1cc0fef8ed6a ]---
[ 1715.878899] ------------[ cut here ]------------

Fixes: 18235664 ("ath10k: cleanup amsdu processing for rx indication")
Signed-off-by: default avatarAshok Raj Nagarajan <arnagara@qti.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 40d5ac1c
...@@ -1524,7 +1524,7 @@ static void ath10k_htt_rx_h_filter(struct ath10k *ar, ...@@ -1524,7 +1524,7 @@ static void ath10k_htt_rx_h_filter(struct ath10k *ar,
static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
{ {
struct ath10k *ar = htt->ar; struct ath10k *ar = htt->ar;
static struct ieee80211_rx_status rx_status; struct ieee80211_rx_status *rx_status = &htt->rx_status;
struct sk_buff_head amsdu; struct sk_buff_head amsdu;
int ret; int ret;
...@@ -1548,11 +1548,11 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) ...@@ -1548,11 +1548,11 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
return ret; return ret;
} }
ath10k_htt_rx_h_ppdu(ar, &amsdu, &rx_status, 0xffff); ath10k_htt_rx_h_ppdu(ar, &amsdu, rx_status, 0xffff);
ath10k_htt_rx_h_unchain(ar, &amsdu, ret > 0); ath10k_htt_rx_h_unchain(ar, &amsdu, ret > 0);
ath10k_htt_rx_h_filter(ar, &amsdu, &rx_status); ath10k_htt_rx_h_filter(ar, &amsdu, rx_status);
ath10k_htt_rx_h_mpdu(ar, &amsdu, &rx_status); ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status);
ath10k_htt_rx_h_deliver(ar, &amsdu, &rx_status); ath10k_htt_rx_h_deliver(ar, &amsdu, rx_status);
return 0; return 0;
} }
......
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