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nl80211: Set P2P multichan concurrency based on interface combinations 

Use the NL80211_IFACE_COMB_NUM_CHANNELS value > 1 as a trigger for
enabling support for P2P multichannel channel concurrency. This does not
handle all possible details of enforcing driver capabilities, but it is
a good first step for allowing nl80211 drivers to enable multichannel
concurrency.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Wei-Jen Lin 2012-08-28 19:31:58 +03:00 committed by Jouni Malinen
parent 01335e2c8d
commit e3e234fa35
1 changed files with 10 additions and 1 deletions
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11
src/drivers/driver_nl80211.c
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@ -2377,7 +2377,7 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg)
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct wiphy_info_data *info = arg;
int p2p_go_supported = 0, p2p_client_supported = 0;
int p2p_concurrent = 0;
int p2p_concurrent = 0, p2p_multichan_concurrent = 0;
int auth_supported = 0, connect_supported = 0;
struct wpa_driver_capa *capa = info->capa;
static struct nla_policy
@ -2478,6 +2478,8 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg)
if (combination_has_p2p && combination_has_mgd) {
p2p_concurrent = 1;
if (nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) > 1)
p2p_multichan_concurrent = 1;
break;
}
@ -2545,6 +2547,13 @@ broken_combination:
"interface (driver advertised support)");
capa->flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
capa->flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
if (p2p_multichan_concurrent) {
wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
"concurrent (driver advertised support)");
capa->flags |=
WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT;
}
}
if (tb[NL80211_ATTR_TDLS_SUPPORT]) {