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P2P: Prefer HT40 channels for initial pick

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If there are no other preferences from local configuration or driver,
prefer a random HT40 channel instead of falling back to the fixed
pre-configured channel or 5 GHz channel preference.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-11-18 17:57:07 +02:00 committed by Jouni Malinen
parent f24071076d
commit a30d50b324
1 changed files with 6 additions and 0 deletions
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6
src/p2p/p2p.c
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@ -1181,6 +1181,7 @@ static void p2p_prepare_channel_best(struct p2p_data *p2p)
{
u8 op_class, op_channel;
const int op_classes_5ghz[] = { 115, 124, 0 };
const int op_classes_ht40[] = { 116, 117, 126, 127, 0 };
p2p_dbg(p2p, "Prepare channel best");
@ -1212,6 +1213,11 @@ static void p2p_prepare_channel_best(struct p2p_data *p2p)
p2p_dbg(p2p, "Select first pref_chan entry as operating channel preference");
p2p->op_reg_class = p2p->cfg->pref_chan[0].op_class;
p2p->op_channel = p2p->cfg->pref_chan[0].chan;
} else if (p2p_channel_select(&p2p->cfg->channels, op_classes_ht40,
&p2p->op_reg_class, &p2p->op_channel) ==
0) {
p2p_dbg(p2p, "Select possible HT40 channel (op_class %u channel %u) as operating channel preference",
p2p->op_reg_class, p2p->op_channel);
} else if (p2p_channel_select(&p2p->cfg->channels, op_classes_5ghz,
&p2p->op_reg_class, &p2p->op_channel) ==
0) {