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P2P: Allow peer to propose channel in invitation process

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Make Invitation process for re-invoking a persistent group behave
similarly to GO Negotiation as far as channel negotiation is concerned.
The Operating Channel value (if present) is used as a starting point if
the local device does not have a forced operating channel (e.g., due to
concurrent use). Channel lists from devices are then compared to check
that the selected channel is in the intersection. If not, channel is
selected based on GO Negotiation channel rules (best channel preferences
etc.). Invitation Request is rejected if no common channel can be
selected.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2012-09-24 22:15:58 +03:00 • committed by Jouni Malinen
parent 7759fba1c2
commit 2cd0758441
4 changed files with 80 additions and 10 deletions
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3
wpa_supplicant/p2p_supplicant.c
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@ -2249,8 +2249,9 @@ static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
" was accepted; op_freq=%d MHz",
MAC2STR(sa), op_freq);
if (s) {
int go = s->mode == WPAS_MODE_P2P_GO;
wpas_p2p_group_add_persistent(
wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0, 0);
wpa_s, s, go, go ? op_freq : 0, 0);
} else if (bssid) {
wpas_p2p_join(wpa_s, bssid, go_dev_addr,
wpa_s->p2p_wps_method, 0);