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P2P: Use preferred channel list during GO creation

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This extends support for p2p_pref_Chan configuration parameter for
autonomous GO creation.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Suryadevara Sudheer 2013-05-17 11:27:02 +03:00 • committed by Jouni Malinen
parent 6d956c4064
commit c6ccf12d3f
3 changed files with 43 additions and 0 deletions
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9
src/p2p/p2p.h
View file

@ -1631,6 +1631,15 @@ int p2p_channels_includes_freq(const struct p2p_channels *channels,
*/
int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
/**
* p2p_get_pref_freq - Get channel from preferred channel list
* @p2p: P2P module context from p2p_init()
* @channels: List of channels
* Returns: Preferred channel
*/
unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
const struct p2p_channels *channels);
void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan);
/**

28
src/p2p/p2p_utils.c
View file

@ -243,3 +243,31 @@ int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq)
return p2p_channels_includes(&p2p->cfg->channels, op_reg_class,
op_channel);
}
unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
const struct p2p_channels *channels)
{
unsigned int i;
int freq = 0;
if (channels == NULL) {
if (p2p->cfg->num_pref_chan) {
freq = p2p_channel_to_freq(
p2p->cfg->pref_chan[0].op_class,
p2p->cfg->pref_chan[0].chan);
if (freq < 0)
freq = 0;
}
return freq;
}
for (i = 0; p2p->cfg->pref_chan && i < p2p->cfg->num_pref_chan; i++) {
freq = p2p_channel_to_freq(p2p->cfg->pref_chan[i].op_class,
p2p->cfg->pref_chan[i].chan);
if (p2p_channels_includes_freq(channels, freq))
return freq;
}
return 0;
}