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Commit 85a237fe authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

mac80211: implement scan supported rates 



Scanning currently uses the TX rate mask to
restrict the rate set, which is bogus. Make
it use the new set of rates from userspace.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 34850ab2

net/mac80211/ieee80211_i.h

+2 −2
Original line number Diff line number Diff line
@@ -1377,14 +1377,14 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 
			     enum ieee80211_band band, u32 rate_mask,

			     u8 channel);

struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,

					  u8 *dst,

					  u8 *dst, u32 ratemask,

					  const u8 *ssid, size_t ssid_len,

					  const u8 *ie, size_t ie_len,

					  bool directed);

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,

			      bool directed);

			      u32 ratemask, bool directed);



void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,

				  const size_t supp_rates_len,

net/mac80211/mlme.c

+3 −2
Original line number Diff line number Diff line
@@ -1220,7 +1220,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) 
	} else {

		ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);

		ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,

					 true);

					 (u32) -1, true);

	}



	ifmgd->probe_send_count++;
@@ -1305,7 +1305,8 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw, 


	ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);

	skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,

					ssid + 2, ssid[1], NULL, 0, true);

					(u32) -1, ssid + 2, ssid[1],

					NULL, 0, true);



	return skb;

}

net/mac80211/scan.c

+3 −3
Original line number Diff line number Diff line
@@ -228,7 +228,6 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) 
static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)

{

	struct cfg80211_scan_request *req = local->scan_req;

	struct ieee80211_sub_if_data *sdata = local->scan_sdata;

	enum ieee80211_band band;

	int i, ielen, n_chans;
@@ -253,7 +252,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local) 


	ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,

					 req->ie, req->ie_len, band,

					 sdata->rc_rateidx_mask[band], 0);

					 req->rates[band], 0);

	local->hw_scan_req->ie_len = ielen;



	return true;
@@ -653,6 +652,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, 
{

	int i;

	struct ieee80211_sub_if_data *sdata = local->scan_sdata;

	enum ieee80211_band band = local->hw.conf.channel->band;



	for (i = 0; i < local->scan_req->n_ssids; i++)

		ieee80211_send_probe_req(
@@ -660,7 +660,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, 
			local->scan_req->ssids[i].ssid,

			local->scan_req->ssids[i].ssid_len,

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

			false);

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



	/*

	 * After sending probe requests, wait for probe responses

net/mac80211/util.c

+5 −7
Original line number Diff line number Diff line
@@ -1017,7 +1017,7 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 
}



struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,

					  u8 *dst,

					  u8 *dst, u32 ratemask,

					  const u8 *ssid, size_t ssid_len,

					  const u8 *ie, size_t ie_len,

					  bool directed)
@@ -1050,9 +1050,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 


	buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,

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

					   sdata->rc_rateidx_mask

					   [local->hw.conf.channel->band],

					   chan);

					   ratemask, chan);



	skb = ieee80211_probereq_get(&local->hw, &sdata->vif,

				     ssid, ssid_len,
@@ -1073,12 +1071,12 @@ 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,

			      bool directed)

			      u32 ratemask, bool directed)

{

	struct sk_buff *skb;



	skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len,

					directed);

	skb = ieee80211_build_probe_req(sdata, dst, ratemask, ssid, ssid_len,

					ie, ie_len, directed);

	if (skb)

		ieee80211_tx_skb(sdata, skb);

}

net/mac80211/work.c

+2 −1
Original line number Diff line number Diff line
@@ -450,7 +450,8 @@ ieee80211_direct_probe(struct ieee80211_work *wk) 
	 * will not answer to direct packet in unassociated state.

	 */

	ieee80211_send_probe_req(sdata, NULL, wk->probe_auth.ssid,

				 wk->probe_auth.ssid_len, NULL, 0, true);

				 wk->probe_auth.ssid_len, NULL, 0,

				 (u32) -1, true);



	wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;

	run_again(local, wk->timeout);