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Commit 00387f32 authored by Johannes Berg's avatar Johannes Berg Committed by Johannes Berg
Browse files

mac80211: add probe request building flags 



Add flags to pass through to probe request building and
change the "bool directed" to be one of them.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
parent db0a4ad8

net/mac80211/ieee80211_i.h

+9 −3
Original line number Diff line number Diff line
@@ -2031,24 +2031,30 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 
void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,

				    const u8 *bssid, u16 stype, u16 reason,

				    bool send_frame, u8 *frame_buf);



enum {

	IEEE80211_PROBE_FLAG_DIRECTED		= BIT(0),

};



int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,

			     size_t buffer_len,

			     struct ieee80211_scan_ies *ie_desc,

			     const u8 *ie, size_t ie_len,

			     u8 bands_used, u32 *rate_masks,

			     struct cfg80211_chan_def *chandef);

			     struct cfg80211_chan_def *chandef,

			     u32 flags);

struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,

					  const u8 *src, const u8 *dst,

					  u32 ratemask,

					  struct ieee80211_channel *chan,

					  const u8 *ssid, size_t ssid_len,

					  const u8 *ie, size_t ie_len,

					  bool directed);

					  u32 flags);

void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata,

			      const u8 *src, const u8 *dst,

			      const u8 *ssid, size_t ssid_len,

			      const u8 *ie, size_t ie_len,

			      u32 ratemask, bool directed, u32 tx_flags,

			      u32 ratemask, u32 flags, u32 tx_flags,

			      struct ieee80211_channel *channel, bool scan);



u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,

net/mac80211/mlme.c

+3 −2
Original line number Diff line number Diff line
@@ -2267,7 +2267,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) 


		ieee80211_send_probe_req(sdata, sdata->vif.addr, dst,

					 ssid + 2, ssid_len, NULL,

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

					 0, (u32) -1,

					 IEEE80211_PROBE_FLAG_DIRECTED, 0,

					 ifmgd->associated->channel, false);

		rcu_read_unlock();

	}
@@ -2370,7 +2371,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw, 
	skb = ieee80211_build_probe_req(sdata, sdata->vif.addr, cbss->bssid,

					(u32) -1, cbss->channel,

					ssid + 2, ssid_len,

					NULL, 0, true);

					NULL, 0, IEEE80211_PROBE_FLAG_DIRECTED);

	rcu_read_unlock();



	return skb;

net/mac80211/scan.c

+4 −3
Original line number Diff line number Diff line
@@ -336,7 +336,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local) 
					 local->hw_scan_ies_bufsize,

					 &local->hw_scan_req->ies,

					 req->ie, req->ie_len,

					 bands_used, req->rates, &chandef);

					 bands_used, req->rates, &chandef, 0);

	local->hw_scan_req->req.ie_len = ielen;

	local->hw_scan_req->req.no_cck = req->no_cck;

	ether_addr_copy(local->hw_scan_req->req.mac_addr, req->mac_addr);
@@ -552,7 +552,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, 
			sdata, local->scan_addr, scan_req->bssid,

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

			scan_req->ie, scan_req->ie_len,

			scan_req->rates[band], false,

			scan_req->rates[band], 0,

			tx_flags, local->hw.conf.chandef.chan, true);



	/*
@@ -1167,7 +1167,8 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 


	ieee80211_build_preq_ies(local, ie, num_bands * iebufsz,

				 &sched_scan_ies, req->ie,

				 req->ie_len, bands_used, rate_masks, &chandef);

				 req->ie_len, bands_used, rate_masks, &chandef,

				 0);



	ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies);

	if (ret == 0) {

net/mac80211/util.c

+10 −8
Original line number Diff line number Diff line
@@ -1353,7 +1353,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local, 
					 enum nl80211_band band,

					 u32 rate_mask,

					 struct cfg80211_chan_def *chandef,

					 size_t *offset)

					 size_t *offset, u32 flags)

{

	struct ieee80211_supported_band *sband;

	u8 *pos = buffer, *end = buffer + buffer_len;
@@ -1518,7 +1518,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 
			     struct ieee80211_scan_ies *ie_desc,

			     const u8 *ie, size_t ie_len,

			     u8 bands_used, u32 *rate_masks,

			     struct cfg80211_chan_def *chandef)

			     struct cfg80211_chan_def *chandef,

			     u32 flags)

{

	size_t pos = 0, old_pos = 0, custom_ie_offset = 0;

	int i;
@@ -1533,7 +1534,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 
							     ie, ie_len, i,

							     rate_masks[i],

							     chandef,

							     &custom_ie_offset);

							     &custom_ie_offset,

							     flags);

			ie_desc->ies[i] = buffer + old_pos;

			ie_desc->len[i] = pos - old_pos;

			old_pos = pos;
@@ -1561,7 +1563,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 
					  struct ieee80211_channel *chan,

					  const u8 *ssid, size_t ssid_len,

					  const u8 *ie, size_t ie_len,

					  bool directed)

					  u32 flags)

{

	struct ieee80211_local *local = sdata->local;

	struct cfg80211_chan_def chandef;
@@ -1577,7 +1579,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 
	 * badly-behaved APs don't respond when this parameter is included.

	 */

	chandef.width = sdata->vif.bss_conf.chandef.width;

	if (directed)

	if (flags & IEEE80211_PROBE_FLAG_DIRECTED)

		chandef.chan = NULL;

	else

		chandef.chan = chan;
@@ -1591,7 +1593,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 
	ies_len = ieee80211_build_preq_ies(local, skb_tail_pointer(skb),

					   skb_tailroom(skb), &dummy_ie_desc,

					   ie, ie_len, BIT(chan->band),

					   rate_masks, &chandef);

					   rate_masks, &chandef, flags);

	skb_put(skb, ies_len);



	if (dst) {
@@ -1609,14 +1611,14 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, 
			      const u8 *src, const u8 *dst,

			      const u8 *ssid, size_t ssid_len,

			      const u8 *ie, size_t ie_len,

			      u32 ratemask, bool directed, u32 tx_flags,

			      u32 ratemask, u32 flags, u32 tx_flags,

			      struct ieee80211_channel *channel, bool scan)

{

	struct sk_buff *skb;



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

					ssid, ssid_len,

					ie, ie_len, directed);

					ie, ie_len, flags);

	if (skb) {

		IEEE80211_SKB_CB(skb)->flags |= tx_flags;

		if (scan)