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brcmfmac: Add P2P Action Frame retry delay to fix GAS Comeback Response failure issue

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It was observed that P2P Cert. 5.1.19: DEVUT responds to Service
Discovery request failed due to DUT did not send GAS Comeback Response
after receiving request from test bed P2P peer. To fix this issue,
we need to add P2P Action Frame retry delay to enhance P2P connection
under VSDB and noisy environment, since the peer can be in other
channels under VSDB.

Signed-off-by: Justin Li <Justin.Li@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1588572453-194663-4-git-send-email-wright.feng@cypress.com
This commit is contained in:
Justin Li 2020-05-04 01:07:33 -05:00 committed by Kalle Valo
parent 9c29da3f4e
commit 7f26cedfc9
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
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@ -66,6 +66,7 @@
#define P2P_CHANNEL_SYNC_RETRY 5
#define P2P_AF_FRM_SCAN_MAX_WAIT msecs_to_jiffies(450)
#define P2P_DEFAULT_SLEEP_TIME_VSDB 200
#define P2P_AF_RETRY_DELAY_TIME 40
/* WiFi P2P Public Action Frame OUI Subtypes */
#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */
@ -1827,6 +1828,9 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
while (!p2p->block_gon_req_tx &&
(!ack) && (tx_retry < P2P_AF_TX_MAX_RETRY) &&
!dwell_overflow) {
if (af_params->channel)
msleep(P2P_AF_RETRY_DELAY_TIME);
ack = !brcmf_p2p_tx_action_frame(p2p, af_params);
tx_retry++;
dwell_overflow = brcmf_p2p_check_dwell_overflow(requested_dwell,