diff options
| author | Rajkumar Manoharan <rmanohar@qca.qualcomm.com> | 2012-08-15 22:44:34 +0300 |
|---|---|---|
| committer | Arik Nemtsov <arik@wizery.com> | 2012-09-04 16:00:29 +0300 |
| commit | 6fe0d966c3d1f388e897ebd62c7c94c770890b4f (patch) | |
| tree | 920a43d1bc95559f0167d3cea7dc9f8d1a00b64e /wpa_supplicant | |
| parent | 7a9961abe5f7463fd89acc8bb59a38cadd897910 (diff) | |
| download | external_wpa_supplicant_8_ti-6fe0d966c3d1f388e897ebd62c7c94c770890b4f.zip external_wpa_supplicant_8_ti-6fe0d966c3d1f388e897ebd62c7c94c770890b4f.tar.gz external_wpa_supplicant_8_ti-6fe0d966c3d1f388e897ebd62c7c94c770890b4f.tar.bz2 | |
P2P: Move channel validation into a separate function
Signed-hostap: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Diffstat (limited to 'wpa_supplicant')
| -rw-r--r-- | wpa_supplicant/p2p_supplicant.c | 63 |
1 files changed, 38 insertions, 25 deletions
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c index d24cc34..72668f6 100644 --- a/wpa_supplicant/p2p_supplicant.c +++ b/wpa_supplicant/p2p_supplicant.c @@ -2259,26 +2259,48 @@ struct p2p_oper_class_map { enum { BW20, BW40PLUS, BW40MINUS } bw; }; +static struct p2p_oper_class_map op_class[] = { + { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 }, + { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 }, +#if 0 /* Do not enable HT40 on 2 GHz for now */ + { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS }, + { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS }, +#endif + { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 }, + { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 }, + { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS }, + { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS }, + { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS }, + { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS }, + { -1, 0, 0, 0, 0, BW20 } +}; + + +static int wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s, + struct hostapd_hw_modes *mode, + u8 channel, u8 bw) +{ + int flag; + + if (!has_channel(wpa_s->global, mode, channel, &flag)) + return -1; + if (bw == BW40MINUS && + (!(flag & HOSTAPD_CHAN_HT40MINUS) || + !has_channel(wpa_s->global, mode, channel - 4, NULL))) + return 0; + if (bw == BW40PLUS && + (!(flag & HOSTAPD_CHAN_HT40PLUS) || + !has_channel(wpa_s->global, mode, channel + 4, NULL))) + return 0; + return 1; +} + + static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, struct p2p_channels *chan) { struct hostapd_hw_modes *mode; int cla, op; - struct p2p_oper_class_map op_class[] = { - { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 }, - { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 }, -#if 0 /* Do not enable HT40 on 2 GHz for now */ - { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS }, - { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS }, -#endif - { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 }, - { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 }, - { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS }, - { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS }, - { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS }, - { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS }, - { -1, 0, 0, 0, 0, BW20 } - }; if (wpa_s->hw.modes == NULL) { wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching " @@ -2298,16 +2320,7 @@ static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, if (mode == NULL) continue; for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { - int flag; - if (!has_channel(wpa_s->global, mode, ch, &flag)) - continue; - if (o->bw == BW40MINUS && - (!(flag & HOSTAPD_CHAN_HT40MINUS) || - !has_channel(wpa_s->global, mode, ch - 4, NULL))) - continue; - if (o->bw == BW40PLUS && - (!(flag & HOSTAPD_CHAN_HT40PLUS) || - !has_channel(wpa_s->global, mode, ch + 4, NULL))) + if (wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw) < 1) continue; if (reg == NULL) { wpa_printf(MSG_DEBUG, "P2P: Add operating " |