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P2P: Fix provision discovery retries during p2p_find

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Commit 6b56cc2d97 added retries of
provision discovery request frames in IDLE state. However, it did not
make the p2p_find case behave consistently with the new limitied retry
behavior. This can result in way too many and frequent PD retries. Fix
this by extending the previous commit to address PD retries and maximum
retry limit consistently regardless of whether p2p_find is running.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
intended-for: hostap-1
This commit is contained in:
Jouni Malinen 2012-07-23 21:59:01 +03:00 committed by Jouni Malinen
parent a5ed45586c
commit 488f4a7108
2 changed files with 11 additions and 5 deletions
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8
src/p2p/p2p.c
View file

@ -2598,7 +2598,13 @@ static void p2p_prov_disc_cb(struct p2p_data *p2p, int success)
if (!success) {
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
if (p2p->state != P2P_IDLE)
if (p2p->user_initiated_pd &&
(p2p->state == P2P_SEARCH || p2p->state == P2P_LISTEN_ONLY))
{
/* Retry request from timeout to avoid busy loops */
p2p->pending_action_state = P2P_PENDING_PD;
p2p_set_timeout(p2p, 0, 50000);
} else if (p2p->state != P2P_IDLE)
p2p_continue_find(p2p);
else if (p2p->user_initiated_pd) {
p2p->pending_action_state = P2P_PENDING_PD;

8
src/p2p/p2p_pd.c
View file

@ -16,8 +16,8 @@
/*
* Number of retries to attempt for provision discovery requests during IDLE
* state in case the peer is not listening.
* Number of retries to attempt for provision discovery requests
* in case the peer is not listening.
*/
#define MAX_PROV_DISC_REQ_RETRIES 10
@ -347,6 +347,7 @@ int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
if (p2p->state != P2P_IDLE)
p2p_stop_listen_for_freq(p2p, freq);
p2p->pending_action_state = P2P_PENDING_PD;
p2p_set_timeout(p2p, 0, 300000);
if (p2p_send_action(p2p, freq, dev->info.p2p_device_addr,
p2p->cfg->dev_addr, dev->info.p2p_device_addr,
wpabuf_head(req), wpabuf_len(req), 200) < 0) {
@ -408,8 +409,7 @@ int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
*/
p2p->user_initiated_pd = !join;
/* Also set some retries to attempt in case of IDLE state */
if (p2p->user_initiated_pd && p2p->state == P2P_IDLE)
if (p2p->user_initiated_pd)
p2p->pd_retries = MAX_PROV_DISC_REQ_RETRIES;
return p2p_send_prov_disc_req(p2p, dev, join, force_freq);