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P2P: Modify the timeout for GO Negotiation on no concurrent session 

Peer should handle a GO Negotiation exchange correctly when the
responding device does not have WSC credentials available at the
time of receiving the GO Negotiation Request. WSC Credentials
(e.g., Pushbutton) can be entered within the 120 second timeout.

Presently, if concurrent session is not active, the peer would wait for
GO Negotiation Request frame from the other device for approximately one
minute due to the earlier optimization change in commit
a2d6365760. To meet the two minute
requirement, replace this design based on number of iterations with a
more appropriate wait for the required number of seconds.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Rashmi Ramanna 2014-05-14 14:35:02 +05:30 committed by Jouni Malinen
parent 7e68be38e4
commit 388444e8d6
3 changed files with 5 additions and 5 deletions
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7
src/p2p/p2p.c
View File

@ -3238,14 +3238,15 @@ static void p2p_timeout_wait_peer_connect(struct p2p_data *p2p)
static void p2p_timeout_wait_peer_idle(struct p2p_data *p2p)
{
struct p2p_device *dev = p2p->go_neg_peer;
struct os_reltime now;
if (dev == NULL) {
p2p_dbg(p2p, "Unknown GO Neg peer - stop GO Neg wait");
return;
}
dev->wait_count++;
if (dev->wait_count >= 120) {
os_get_reltime(&now);
if (os_reltime_expired(&now, &dev->go_neg_wait_started, 120)) {
p2p_dbg(p2p, "Timeout on waiting peer to become ready for GO Negotiation");
p2p_go_neg_failed(p2p, dev, -1);
return;
@ -3534,7 +3535,6 @@ int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
"req_config_methods=0x%x\n"
"flags=%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
"status=%d\n"
"wait_count=%u\n"
"invitation_reqs=%u\n",
(int) (now.sec - dev->last_seen.sec),
dev->listen_freq,
@ -3576,7 +3576,6 @@ int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
dev->flags & P2P_DEV_PD_FOR_JOIN ?
"[PD_FOR_JOIN]" : "",
dev->status,
dev->wait_count,
dev->invitation_reqs);
if (res < 0 || res >= end - pos)
return pos - buf;

2
src/p2p/p2p_go_neg.c
View File

@ -939,7 +939,7 @@ void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
if (*msg.status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
p2p_dbg(p2p, "Wait for the peer to become ready for GO Negotiation");
dev->flags |= P2P_DEV_NOT_YET_READY;
dev->wait_count = 0;
os_get_reltime(&dev->go_neg_wait_started);
p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
p2p_set_timeout(p2p, 0, 0);
} else {

1
src/p2p/p2p_i.h
View File

@ -101,6 +101,7 @@ struct p2p_device {
unsigned int flags;
int status; /* enum p2p_status_code */
struct os_reltime go_neg_wait_started;
unsigned int wait_count;
unsigned int connect_reqs;
unsigned int invitation_reqs;