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Commit fe94fe05 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: pass channel to ieee80211_send_probe_req 



In multi-channel scenarios, the channel that we will
transmit a probe request on isn't always the current
channel (which will be NULL anyway) but will instead
be the channel that the AP is on. Pass the channel
to the ieee80211_send_probe_req() function so it can
be used in the different scenarios. The scan code
continues to pass the current channel, of course.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c0af0734

net/mac80211/ieee80211_i.h

+2 −1
Original line number Diff line number Diff line
@@ -1472,7 +1472,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,

			      const u8 *ssid, size_t ssid_len,

			      const u8 *ie, size_t ie_len,

			      u32 ratemask, bool directed, bool no_cck);

			      u32 ratemask, bool directed, bool no_cck,

			      struct ieee80211_channel *channel);



void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,

				  const size_t supp_rates_len,

net/mac80211/mlme.c

+4 −2
Original line number Diff line number Diff line
@@ -1577,7 +1577,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) 
			ssid_len = ssid[1];



		ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL,

					 0, (u32) -1, true, false);

					 0, (u32) -1, true, false,

					 ifmgd->associated->channel);

	}



	ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
@@ -2704,7 +2705,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) 
		 * will not answer to direct packet in unassociated state.

		 */

		ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],

					 NULL, 0, (u32) -1, true, false);

					 NULL, 0, (u32) -1, true, false,

					 auth_data->bss->channel);

	}



	auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;

net/mac80211/scan.c

+2 −1
Original line number Diff line number Diff line
@@ -416,7 +416,8 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, 
			local->scan_req->ssids[i].ssid_len,

			local->scan_req->ie, local->scan_req->ie_len,

			local->scan_req->rates[band], false,

			local->scan_req->no_cck);

			local->scan_req->no_cck,

			local->hw.conf.channel);



	/*

	 * After sending probe requests, wait for probe responses

net/mac80211/util.c

+3 −3
Original line number Diff line number Diff line
@@ -1163,12 +1163,12 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,

			      const u8 *ssid, size_t ssid_len,

			      const u8 *ie, size_t ie_len,

			      u32 ratemask, bool directed, bool no_cck)

			      u32 ratemask, bool directed, bool no_cck,

			      struct ieee80211_channel *channel)

{

	struct sk_buff *skb;



	skb = ieee80211_build_probe_req(sdata, dst, ratemask,

					sdata->local->hw.conf.channel,

	skb = ieee80211_build_probe_req(sdata, dst, ratemask, channel,

					ssid, ssid_len,

					ie, ie_len, directed);

	if (skb) {