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path: root/package/mac80211/patches/423-mac80211-make-bss-conf-part-of-vif.patch
blob: 556d651a0a22c2ed30a2673cb387337425604add (plain)
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Subject: mac80211: move bss_conf into vif

Move bss_conf into the vif struct so that drivers can
access it during ->tx without having to store it in
the private data or similar. No driver updates because
this is only for when they want to start using it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
 include/net/mac80211.h        |    3 +++
 net/mac80211/cfg.c            |    6 +++---
 net/mac80211/debugfs_netdev.c |    2 +-
 net/mac80211/ieee80211_i.h    |    3 ---
 net/mac80211/iface.c          |    2 +-
 net/mac80211/main.c           |    8 ++++----
 net/mac80211/mlme.c           |   30 +++++++++++++++---------------
 net/mac80211/tx.c             |   16 ++++++++--------
 net/mac80211/util.c           |    6 +++---
 9 files changed, 38 insertions(+), 38 deletions(-)

--- everything.orig/include/net/mac80211.h	2008-10-10 17:09:04.000000000 +0200
+++ everything/include/net/mac80211.h	2008-10-10 17:09:41.000000000 +0200
@@ -519,11 +519,14 @@ struct ieee80211_conf {
  * use during the life of a virtual interface.
  *
  * @type: type of this virtual interface
+ * @bss_conf: BSS configuration for this interface, either our own
+ *	or the BSS we're associated to
  * @drv_priv: data area for driver use, will always be aligned to
  *	sizeof(void *).
  */
 struct ieee80211_vif {
 	enum nl80211_iftype type;
+	struct ieee80211_bss_conf bss_conf;
 	/* must be last */
 	u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *))));
 };
--- everything.orig/net/mac80211/ieee80211_i.h	2008-10-10 17:10:40.000000000 +0200
+++ everything/net/mac80211/ieee80211_i.h	2008-10-10 17:10:45.000000000 +0200
@@ -440,9 +440,6 @@ struct ieee80211_sub_if_data {
 
 	u16 sequence_number;
 
-	/* BSS configuration for this interface. */
-	struct ieee80211_bss_conf bss_conf;
-
 	/*
 	 * AP this belongs to: self in AP mode and
 	 * corresponding AP in VLAN mode, NULL for
--- everything.orig/net/mac80211/main.c	2008-10-10 17:10:55.000000000 +0200
+++ everything/net/mac80211/main.c	2008-10-10 17:11:10.000000000 +0200
@@ -249,15 +249,15 @@ void ieee80211_bss_info_change_notify(st
 	if (local->ops->bss_info_changed)
 		local->ops->bss_info_changed(local_to_hw(local),
 					     &sdata->vif,
-					     &sdata->bss_conf,
+					     &sdata->vif.bss_conf,
 					     changed);
 }
 
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
 {
-	sdata->bss_conf.use_cts_prot = false;
-	sdata->bss_conf.use_short_preamble = false;
-	sdata->bss_conf.use_short_slot = false;
+	sdata->vif.bss_conf.use_cts_prot = false;
+	sdata->vif.bss_conf.use_short_preamble = false;
+	sdata->vif.bss_conf.use_short_slot = false;
 	return BSS_CHANGED_ERP_CTS_PROT |
 	       BSS_CHANGED_ERP_PREAMBLE |
 	       BSS_CHANGED_ERP_SLOT;
--- everything.orig/net/mac80211/iface.c	2008-10-10 17:12:11.000000000 +0200
+++ everything/net/mac80211/iface.c	2008-10-10 17:12:13.000000000 +0200
@@ -695,7 +695,7 @@ int ieee80211_if_change_type(struct ieee
 	ieee80211_setup_sdata(sdata, type);
 
 	/* reset some values that shouldn't be kept across type changes */
-	sdata->bss_conf.basic_rates =
+	sdata->vif.bss_conf.basic_rates =
 		ieee80211_mandatory_rates(sdata->local,
 			sdata->local->hw.conf.channel->band);
 	sdata->drop_unencrypted = 0;
--- everything.orig/net/mac80211/mlme.c	2008-10-10 17:11:49.000000000 +0200
+++ everything/net/mac80211/mlme.c	2008-10-10 17:11:58.000000000 +0200
@@ -572,7 +572,7 @@ static void ieee80211_sta_wmm_params(str
 static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
 					   u16 capab, bool erp_valid, u8 erp)
 {
-	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+	struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	DECLARE_MAC_BUF(mac);
@@ -720,9 +720,9 @@ static void ieee80211_set_associated(str
 				   ifsta->ssid, ifsta->ssid_len);
 	if (bss) {
 		/* set timing information */
-		sdata->bss_conf.beacon_int = bss->beacon_int;
-		sdata->bss_conf.timestamp = bss->timestamp;
-		sdata->bss_conf.dtim_period = bss->dtim_period;
+		sdata->vif.bss_conf.beacon_int = bss->beacon_int;
+		sdata->vif.bss_conf.timestamp = bss->timestamp;
+		sdata->vif.bss_conf.dtim_period = bss->dtim_period;
 
 		changed |= ieee80211_handle_bss_capability(sdata,
 			bss->capability, bss->has_erp_value, bss->erp_value);
@@ -732,9 +732,9 @@ static void ieee80211_set_associated(str
 
 	if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
 		changed |= BSS_CHANGED_HT;
-		sdata->bss_conf.assoc_ht = 1;
-		sdata->bss_conf.ht_cap = &conf->ht_cap;
-		sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
+		sdata->vif.bss_conf.assoc_ht = 1;
+		sdata->vif.bss_conf.ht_cap = &conf->ht_cap;
+		sdata->vif.bss_conf.ht_bss_conf = &conf->ht_bss_conf;
 	}
 
 	ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
@@ -744,7 +744,7 @@ static void ieee80211_set_associated(str
 	ifsta->last_probe = jiffies;
 	ieee80211_led_assoc(local, 1);
 
-	sdata->bss_conf.assoc = 1;
+	sdata->vif.bss_conf.assoc = 1;
 	/*
 	 * For now just always ask the driver to update the basic rateset
 	 * when we have associated, we aren't checking whether it actually
@@ -853,15 +853,15 @@ static void ieee80211_set_disassoc(struc
 	ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
 	changed |= ieee80211_reset_erp_info(sdata);
 
-	if (sdata->bss_conf.assoc_ht)
+	if (sdata->vif.bss_conf.assoc_ht)
 		changed |= BSS_CHANGED_HT;
 
-	sdata->bss_conf.assoc_ht = 0;
-	sdata->bss_conf.ht_cap = NULL;
-	sdata->bss_conf.ht_bss_conf = NULL;
+	sdata->vif.bss_conf.assoc_ht = 0;
+	sdata->vif.bss_conf.ht_cap = NULL;
+	sdata->vif.bss_conf.ht_bss_conf = NULL;
 
 	ieee80211_led_assoc(local, 0);
-	sdata->bss_conf.assoc = 0;
+	sdata->vif.bss_conf.assoc = 0;
 
 	ieee80211_sta_send_apinfo(sdata, ifsta);
 
@@ -1194,7 +1194,7 @@ static void ieee80211_rx_mgmt_assoc_resp
 	u64 rates, basic_rates;
 	u16 capab_info, status_code, aid;
 	struct ieee802_11_elems elems;
-	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+	struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
 	u8 *pos;
 	int i, j;
 	DECLARE_MAC_BUF(mac);
@@ -1337,7 +1337,7 @@ static void ieee80211_rx_mgmt_assoc_resp
 	}
 
 	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
-	sdata->bss_conf.basic_rates = basic_rates;
+	sdata->vif.bss_conf.basic_rates = basic_rates;
 
 	/* cf. IEEE 802.11 9.2.12 */
 	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
--- everything.orig/net/mac80211/cfg.c	2008-10-10 17:12:29.000000000 +0200
+++ everything/net/mac80211/cfg.c	2008-10-10 17:12:31.000000000 +0200
@@ -966,16 +966,16 @@ static int ieee80211_change_bss(struct w
 		return -EINVAL;
 
 	if (params->use_cts_prot >= 0) {
-		sdata->bss_conf.use_cts_prot = params->use_cts_prot;
+		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
 		changed |= BSS_CHANGED_ERP_CTS_PROT;
 	}
 	if (params->use_short_preamble >= 0) {
-		sdata->bss_conf.use_short_preamble =
+		sdata->vif.bss_conf.use_short_preamble =
 			params->use_short_preamble;
 		changed |= BSS_CHANGED_ERP_PREAMBLE;
 	}
 	if (params->use_short_slot_time >= 0) {
-		sdata->bss_conf.use_short_slot =
+		sdata->vif.bss_conf.use_short_slot =
 			params->use_short_slot_time;
 		changed |= BSS_CHANGED_ERP_SLOT;
 	}
--- everything.orig/net/mac80211/debugfs_netdev.c	2008-10-10 17:13:26.000000000 +0200
+++ everything/net/mac80211/debugfs_netdev.c	2008-10-10 17:13:28.000000000 +0200
@@ -120,7 +120,7 @@ static ssize_t ieee80211_if_fmt_flags(
 		 sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
 		 sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
 		 sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
-		 sdata->bss_conf.use_cts_prot ? "CTS prot\n" : "");
+		 sdata->vif.bss_conf.use_cts_prot ? "CTS prot\n" : "");
 }
 __IEEE80211_IF_FILE(flags);
 
--- everything.orig/net/mac80211/tx.c	2008-10-10 17:12:46.000000000 +0200
+++ everything/net/mac80211/tx.c	2008-10-10 17:12:49.000000000 +0200
@@ -116,7 +116,7 @@ static __le16 ieee80211_duration(struct 
 		if (r->bitrate > txrate->bitrate)
 			break;
 
-		if (tx->sdata->bss_conf.basic_rates & BIT(i))
+		if (tx->sdata->vif.bss_conf.basic_rates & BIT(i))
 			rate = r->bitrate;
 
 		switch (sband->band) {
@@ -150,7 +150,7 @@ static __le16 ieee80211_duration(struct 
 	 * to closest integer */
 
 	dur = ieee80211_frame_duration(local, 10, rate, erp,
-				tx->sdata->bss_conf.use_short_preamble);
+				tx->sdata->vif.bss_conf.use_short_preamble);
 
 	if (next_frag_len) {
 		/* Frame is fragmented: duration increases with time needed to
@@ -159,7 +159,7 @@ static __le16 ieee80211_duration(struct 
 		/* next fragment */
 		dur += ieee80211_frame_duration(local, next_frag_len,
 				txrate->bitrate, erp,
-				tx->sdata->bss_conf.use_short_preamble);
+				tx->sdata->vif.bss_conf.use_short_preamble);
 	}
 
 	return cpu_to_le16(dur);
@@ -465,7 +465,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
 	} else
 		info->control.retries[0].rate_idx = -1;
 
-	if (tx->sdata->bss_conf.use_cts_prot &&
+	if (tx->sdata->vif.bss_conf.use_cts_prot &&
 	    (tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) {
 		tx->last_frag_rate_idx = tx->rate_idx;
 		if (rsel.probe_idx >= 0)
@@ -531,7 +531,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_
 	if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) &&
 	    (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_ERP_G) &&
 	    (tx->flags & IEEE80211_TX_UNICAST) &&
-	    tx->sdata->bss_conf.use_cts_prot &&
+	    tx->sdata->vif.bss_conf.use_cts_prot &&
 	    !(info->flags & IEEE80211_TX_CTL_USE_RTS_CTS))
 		info->flags |= IEEE80211_TX_CTL_USE_CTS_PROTECT;
 
@@ -540,7 +540,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_
 	 * available on the network at the current point in time. */
 	if (ieee80211_is_data(hdr->frame_control) &&
 	    (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
-	    tx->sdata->bss_conf.use_short_preamble &&
+	    tx->sdata->vif.bss_conf.use_short_preamble &&
 	    (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) {
 		info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
 	}
@@ -560,7 +560,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_
 		for (idx = 0; idx < sband->n_bitrates; idx++) {
 			if (sband->bitrates[idx].bitrate > rate->bitrate)
 				continue;
-			if (tx->sdata->bss_conf.basic_rates & BIT(idx) &&
+			if (tx->sdata->vif.bss_conf.basic_rates & BIT(idx) &&
 			    (baserate < 0 ||
 			     (sband->bitrates[baserate].bitrate
 			      < sband->bitrates[idx].bitrate)))
@@ -1981,7 +1981,7 @@ struct sk_buff *ieee80211_beacon_get(str
 	info->flags |= IEEE80211_TX_CTL_NO_ACK;
 	info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
 	info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
-	if (sdata->bss_conf.use_short_preamble &&
+	if (sdata->vif.bss_conf.use_short_preamble &&
 	    sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
 		info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
 
--- everything.orig/net/mac80211/util.c	2008-10-10 17:13:03.000000000 +0200
+++ everything/net/mac80211/util.c	2008-10-10 17:13:06.000000000 +0200
@@ -239,7 +239,7 @@ __le16 ieee80211_generic_frame_duration(
 	erp = 0;
 	if (vif) {
 		sdata = vif_to_sdata(vif);
-		short_preamble = sdata->bss_conf.use_short_preamble;
+		short_preamble = sdata->vif.bss_conf.use_short_preamble;
 		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
 			erp = rate->flags & IEEE80211_RATE_ERP_G;
 	}
@@ -272,7 +272,7 @@ __le16 ieee80211_rts_duration(struct iee
 	erp = 0;
 	if (vif) {
 		sdata = vif_to_sdata(vif);
-		short_preamble = sdata->bss_conf.use_short_preamble;
+		short_preamble = sdata->vif.bss_conf.use_short_preamble;
 		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
 			erp = rate->flags & IEEE80211_RATE_ERP_G;
 	}
@@ -312,7 +312,7 @@ __le16 ieee80211_ctstoself_duration(stru
 	erp = 0;
 	if (vif) {
 		sdata = vif_to_sdata(vif);
-		short_preamble = sdata->bss_conf.use_short_preamble;
+		short_preamble = sdata->vif.bss_conf.use_short_preamble;
 		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
 			erp = rate->flags & IEEE80211_RATE_ERP_G;
 	}