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P2P: Select VHT channel at random instead of using the first entry

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Use the new p2p_channel_select() function to select a VHT channel
at random when no other preferences are in effect.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-11-18 17:46:14 +02:00 committed by Jouni Malinen
parent ee8f6ea0ca
commit b2d4aaa2c7
1 changed files with 6 additions and 9 deletions
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15
src/p2p/p2p_go_neg.c
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@ -350,6 +350,7 @@ void p2p_reselect_channel(struct p2p_data *p2p,
unsigned int i;
const int op_classes_5ghz[] = { 115, 124, 0 };
const int op_classes_ht40[] = { 116, 117, 126, 127, 0 };
const int op_classes_vht[] = { 128, 0 };
if (p2p->own_freq_preference > 0 &&
p2p_freq_to_channel(p2p->own_freq_preference,
@ -415,15 +416,11 @@ void p2p_reselect_channel(struct p2p_data *p2p,
}
/* Try a channel where we might be able to use VHT */
for (i = 0; i < intersection->reg_classes; i++) {
struct p2p_reg_class *c = &intersection->reg_class[i];
if (c->reg_class == 128) {
p2p_dbg(p2p, "Pick possible VHT channel (reg_class %u channel %u) from intersection",
c->reg_class, c->channel[0]);
p2p->op_reg_class = c->reg_class;
p2p->op_channel = c->channel[0];
return;
}
if (p2p_channel_select(intersection, op_classes_vht,
&p2p->op_reg_class, &p2p->op_channel) == 0) {
p2p_dbg(p2p, "Pick possible VHT channel (op_class %u channel %u) from intersection",
p2p->op_reg_class, p2p->op_channel);
return;
}
/* Try a channel where we might be able to use HT40 */