replace net_device arguments with ieee80211_{local,sub_if_data} as appropriate

This patch replaces net_device arguments to mac80211 internal functions
with ieee80211_{local,sub_if_data} as appropriate.

It also does the same for many 802.11s mesh functions, and changes the
mesh path table to be indexed on sub_if_data rather than net_device.

If the mesh part needs to be a separate patch let me know, but since
mesh uses a lot of mac80211 functions which were being converted anyway,
the changes go hand-in-hand somewhat.

This patch probably does not convert all the functions which could be
converted, but it is a large chunk and followup patches will be
provided.

Signed-off-by: Jasper Bryant-Greene <jasper@amiton.co.nz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/cfg.c

@@ -66,13 +66,16 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
 {
 	struct net_device *dev;
+	struct ieee80211_sub_if_data *sdata;
 
 	/* we're under RTNL */
 	dev = __dev_get_by_index(&init_net, ifindex);
 	if (!dev)
 		return -ENODEV;
 
-	ieee80211_if_remove(dev);
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	ieee80211_if_remove(sdata);
 
 	return 0;
 }
@@ -842,13 +845,13 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 		return -ENOENT;
 	}
 
-	err = mesh_path_add(dst, dev);
+	err = mesh_path_add(dst, sdata);
 	if (err) {
 		rcu_read_unlock();
 		return err;
 	}
 
-	mpath = mesh_path_lookup(dst, dev);
+	mpath = mesh_path_lookup(dst, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENXIO;
@@ -862,10 +865,12 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 				 u8 *dst)
 {
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (dst)
-		return mesh_path_del(dst, dev);
+		return mesh_path_del(dst, sdata);
 
-	mesh_path_flush(dev);
+	mesh_path_flush(sdata);
 	return 0;
 }
 
@@ -897,7 +902,7 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
 		return -ENOENT;
 	}
 
-	mpath = mesh_path_lookup(dst, dev);
+	mpath = mesh_path_lookup(dst, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENOENT;
@@ -965,7 +970,7 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 		return -ENOTSUPP;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst, dev);
+	mpath = mesh_path_lookup(dst, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENOENT;
@@ -993,7 +998,7 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 		return -ENOTSUPP;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup_by_idx(idx, dev);
+	mpath = mesh_path_lookup_by_idx(idx, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENOENT;

net/mac80211/debugfs_sta.c

@@ -201,7 +201,7 @@ static ssize_t sta_agg_status_write(struct file *file,
 		tid_num = tid_num - 100;
 		if (tid_static_rx[tid_num] == 1) {
 			strcpy(state, "off ");
-			ieee80211_sta_stop_rx_ba_session(dev, da, tid_num, 0,
+			ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
 					WLAN_REASON_QSTA_REQUIRE_SETUP);
 			sta->ampdu_mlme.tid_state_rx[tid_num] |=
 					HT_AGG_STATE_DEBUGFS_CTL;

net/mac80211/event.c

@@ -8,7 +8,6 @@
  * mac80211 - events
  */
 
-#include <linux/netdevice.h>
 #include <net/iw_handler.h>
 #include "ieee80211_i.h"
 
@@ -17,7 +16,7 @@
  * (in the variable hdr) must be long enough to extract the TKIP
  * fields like TSC
  */
-void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
+void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
 				     struct ieee80211_hdr *hdr)
 {
 	union iwreq_data wrqu;
@@ -32,7 +31,7 @@ void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
 			print_mac(mac, hdr->addr2));
 		memset(&wrqu, 0, sizeof(wrqu));
 		wrqu.data.length = strlen(buf);
-		wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
+		wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
 		kfree(buf);
 	}
 

net/mac80211/ieee80211_i.h

@@ -851,65 +851,65 @@ u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
 
 /* ieee80211_ioctl.c */
 extern const struct iw_handler_def ieee80211_iw_handler_def;
-int ieee80211_set_freq(struct net_device *dev, int freq);
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
 
 /* ieee80211_sta.c */
 void ieee80211_sta_timer(unsigned long data);
 void ieee80211_sta_work(struct work_struct *work);
 void ieee80211_sta_scan_work(struct work_struct *work);
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
+void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 			   struct ieee80211_rx_status *rx_status);
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len);
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len);
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid);
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
-void ieee80211_sta_req_auth(struct net_device *dev,
+int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
+int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
+int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
+int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len);
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_if_sta *ifsta);
-int ieee80211_sta_scan_results(struct net_device *dev,
+int ieee80211_sta_scan_results(struct ieee80211_local *local,
 			       struct iw_request_info *info,
 			       char *buf, size_t len);
 ieee80211_rx_result ieee80211_sta_rx_scan(
-	struct net_device *dev, struct sk_buff *skb,
+	struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 	struct ieee80211_rx_status *rx_status);
 void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
 void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
-struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len);
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
 					struct sk_buff *skb, u8 *bssid,
 					u8 *addr, u64 supp_rates);
-int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
-int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
+int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
+int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 				      u32 changed);
-u32 ieee80211_reset_erp_info(struct net_device *dev);
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
 int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
 				   struct ieee80211_ht_info *ht_info);
 int ieee80211_ht_addt_info_ie_to_ht_bss_info(
 			struct ieee80211_ht_addt_info *ht_add_info_ie,
 			struct ieee80211_ht_bss_info *bss_info);
-void ieee80211_send_addba_request(struct net_device *dev, const u8 *da,
+void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, const u8 *da,
 				  u16 tid, u8 dialog_token, u16 start_seq_num,
 				  u16 agg_size, u16 timeout);
-void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
+void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, const u8 *da, u16 tid,
 				u16 initiator, u16 reason_code);
-void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn);
+void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn);
 
-void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
+void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
 				u16 tid, u16 initiator, u16 reason);
 void sta_addba_resp_timer_expired(unsigned long data);
-void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr);
+void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr);
 u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
 			    struct ieee802_11_elems *elems,
 			    enum ieee80211_band band);
-void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
+void ieee80211_sta_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 		int encrypt);
 void ieee802_11_parse_elems(u8 *start, size_t len,
 				   struct ieee802_11_elems *elems);
 
 #ifdef CONFIG_MAC80211_MESH
-void ieee80211_start_mesh(struct net_device *dev);
+void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
 #else
-static inline void ieee80211_start_mesh(struct net_device *dev)
+static inline void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
 {}
 #endif
 
@@ -920,7 +920,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 		     struct vif_params *params);
 int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 			     enum ieee80211_if_types type);
-void ieee80211_if_remove(struct net_device *dev);
+void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
 void ieee80211_remove_interfaces(struct ieee80211_local *local);
 
 /* tx handling */
@@ -938,7 +938,7 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
 			enum ieee80211_if_types type);
 int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
 			     int rate, int erp, int short_preamble);
-void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
+void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
 				     struct ieee80211_hdr *hdr);
 
 #ifdef CONFIG_MAC80211_NOINLINE

net/mac80211/iface.c

@@ -56,7 +56,7 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
 	case IEEE80211_IF_TYPE_MESH_POINT:
 		/* Allow compiler to elide mesh_rmc_free call. */
 		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rmc_free(dev);
+			mesh_rmc_free(sdata);
 		/* fall through */
 	case IEEE80211_IF_TYPE_STA:
 	case IEEE80211_IF_TYPE_IBSS:
@@ -241,15 +241,13 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 	return ret;
 }
 
-void ieee80211_if_remove(struct net_device *dev)
+void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	ASSERT_RTNL();
 
 	list_del_rcu(&sdata->list);
 	synchronize_rcu();
-	unregister_netdevice(dev);
+	unregister_netdevice(sdata->dev);
 }
 
 /*

net/mac80211/main.c

@@ -347,8 +347,8 @@ static int ieee80211_open(struct net_device *dev)
 			goto err_stop;
 
 		if (ieee80211_vif_is_mesh(&sdata->vif))
-			ieee80211_start_mesh(sdata->dev);
-		changed |= ieee80211_reset_erp_info(dev);
+			ieee80211_start_mesh(sdata);
+		changed |= ieee80211_reset_erp_info(sdata);
 		ieee80211_bss_info_change_notify(sdata, changed);
 		ieee80211_enable_keys(sdata);
 
@@ -448,7 +448,7 @@ static int ieee80211_stop(struct net_device *dev)
 
 	list_for_each_entry_rcu(sta, &local->sta_list, list) {
 		if (sta->sdata == sdata)
-			ieee80211_sta_tear_down_BA_sessions(dev, sta->addr);
+			ieee80211_sta_tear_down_BA_sessions(sdata, sta->addr);
 	}
 
 	rcu_read_unlock();
@@ -706,7 +706,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
 	sta->ampdu_mlme.tid_tx[tid]->ssn = start_seq_num;
 
 
-	ieee80211_send_addba_request(sta->sdata->dev, ra, tid,
+	ieee80211_send_addba_request(sta->sdata, ra, tid,
 			 sta->ampdu_mlme.tid_tx[tid]->dialog_token,
 			 sta->ampdu_mlme.tid_tx[tid]->ssn,
 			 0x40, 5000);
@@ -889,7 +889,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
 	}
 
 	if (*state & HT_AGG_STATE_INITIATOR_MSK)
-		ieee80211_send_delba(sta->sdata->dev, ra, tid,
+		ieee80211_send_delba(sta->sdata, ra, tid,
 			WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
 
 	agg_queue = sta->tid_to_tx_q[tid];
@@ -1200,10 +1200,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 					     changed);
 }
 
-u32 ieee80211_reset_erp_info(struct net_device *dev)
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	sdata->bss_conf.use_cts_prot = 0;
 	sdata->bss_conf.use_short_preamble = 0;
 	return BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE;
@@ -1438,7 +1436,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 			tid = qc[0] & 0xf;
 			ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
 						& IEEE80211_SCTL_SEQ);
-			ieee80211_send_bar(sta->sdata->dev, hdr->addr1,
+			ieee80211_send_bar(sta->sdata, hdr->addr1,
 					   tid, ssn);
 		}
 	}

net/mac80211/mesh.c

@@ -39,14 +39,13 @@ void ieee80211s_stop(void)
  * mesh_matches_local - check if the config of a mesh point matches ours
  *
  * @ie: information elements of a management frame from the mesh peer
- * @dev: local mesh interface
+ * @sdata: local mesh subif
  *
  * This function checks if the mesh configuration of a mesh point matches the
  * local mesh configuration, i.e. if both nodes belong to the same mesh network.
  */
-bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev)
+bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *sta = &sdata->u.sta;
 
 	/*
@@ -73,10 +72,8 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev)
  * mesh_peer_accepts_plinks - check if an mp is willing to establish peer links
  *
  * @ie: information elements of a management frame from the mesh peer
- * @dev: local mesh interface
  */
-bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie,
-			      struct net_device *dev)
+bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
 {
 	return (*(ie->mesh_config + CAPAB_OFFSET) & ACCEPT_PLINKS) != 0;
 }
@@ -111,9 +108,8 @@ void mesh_ids_set_default(struct ieee80211_if_sta *sta)
 	memcpy(sta->mesh_cc_id, def_id, 4);
 }
 
-int mesh_rmc_init(struct net_device *dev)
+int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	int i;
 
 	sdata->u.sta.rmc = kmalloc(sizeof(struct mesh_rmc), GFP_KERNEL);
@@ -125,9 +121,8 @@ int mesh_rmc_init(struct net_device *dev)
 	return 0;
 }
 
-void mesh_rmc_free(struct net_device *dev)
+void mesh_rmc_free(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct mesh_rmc *rmc = sdata->u.sta.rmc;
 	struct rmc_entry *p, *n;
 	int i;
@@ -158,9 +153,8 @@ void mesh_rmc_free(struct net_device *dev)
  * it.
  */
 int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
-		   struct net_device *dev)
+		   struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct mesh_rmc *rmc = sdata->u.sta.rmc;
 	u32 seqnum = 0;
 	int entries = 0;
@@ -194,10 +188,9 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
 	return 0;
 }
 
-void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev)
+void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_supported_band *sband;
 	u8 *pos;
 	int len, i, rate;
@@ -262,10 +255,10 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev)
 	return;
 }
 
-u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl)
+u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl)
 {
 	/* Use last four bytes of hw addr and interface index as hash index */
-	return jhash_2words(*(u32 *)(addr+2), dev->ifindex, tbl->hash_rnd)
+	return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex, tbl->hash_rnd)
 		& tbl->hash_mask;
 }
 
@@ -434,7 +427,7 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
 	ifsta->preq_id = 0;
 	ifsta->dsn = 0;
 	atomic_set(&ifsta->mpaths, 0);
-	mesh_rmc_init(sdata->dev);
+	mesh_rmc_init(sdata);
 	ifsta->last_preq = jiffies;
 	/* Allocate all mesh structures when creating the first mesh interface. */
 	if (!mesh_allocated)

net/mac80211/mesh.h

@@ -47,7 +47,7 @@ enum mesh_path_flags {
  * struct mesh_path - mac80211 mesh path structure
  *
  * @dst: mesh path destination mac address
- * @dev: mesh path device
+ * @sdata: mesh subif
  * @next_hop: mesh neighbor to which frames for this destination will be
  * 	forwarded
  * @timer: mesh path discovery timer
@@ -64,14 +64,14 @@ enum mesh_path_flags {
  * @state_lock: mesh pat state lock
  *
  *
- * The combination of dst and dev is unique in the mesh path table. Since the
+ * The combination of dst and sdata is unique in the mesh path table. Since the
  * next_hop STA is only protected by RCU as well, deleting the STA must also
  * remove/substitute the mesh_path structure and wait until that is no longer
  * reachable before destroying the STA completely.
  */
 struct mesh_path {
 	u8 dst[ETH_ALEN];
-	struct net_device *dev;
+	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *next_hop;
 	struct timer_list timer;
 	struct sk_buff_head frame_queue;
@@ -203,59 +203,66 @@ int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
 int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
 		struct ieee80211_sub_if_data *sdata);
 int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
-		struct net_device *dev);
-bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev);
+		struct ieee80211_sub_if_data *sdata);
+bool mesh_matches_local(struct ieee802_11_elems *ie,
+		struct ieee80211_sub_if_data *sdata);
 void mesh_ids_set_default(struct ieee80211_if_sta *sta);
-void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev);
-void mesh_rmc_free(struct net_device *dev);
-int mesh_rmc_init(struct net_device *dev);
+void mesh_mgmt_ies_add(struct sk_buff *skb,
+		struct ieee80211_sub_if_data *sdata);
+void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
+int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
 void ieee80211s_init(void);
 void ieee80211s_stop(void);
 void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
 
 /* Mesh paths */
-int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev);
-void mesh_path_start_discovery(struct net_device *dev);
-struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev);
-struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev);
+int mesh_nexthop_lookup(struct sk_buff *skb,
+		struct ieee80211_sub_if_data *sdata);
+void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mesh_path_lookup(u8 *dst,
+		struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mesh_path_lookup_by_idx(int idx,
+		struct ieee80211_sub_if_data *sdata);
 void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop);
-void mesh_path_expire(struct net_device *dev);
-void mesh_path_flush(struct net_device *dev);
-void mesh_rx_path_sel_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
-		size_t len);
-int mesh_path_add(u8 *dst, struct net_device *dev);
+void mesh_path_expire(struct ieee80211_sub_if_data *sdata);
+void mesh_path_flush(struct ieee80211_sub_if_data *sdata);
+void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
+		struct ieee80211_mgmt *mgmt, size_t len);
+int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata);
 /* Mesh plinks */
-void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev,
-		bool add);
-bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie,
-			      struct net_device *dev);
+void mesh_neighbour_update(u8 *hw_addr, u64 rates,
+		struct ieee80211_sub_if_data *sdata, bool add);
+bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
 void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
 void mesh_plink_broken(struct sta_info *sta);
 void mesh_plink_deactivate(struct sta_info *sta);
 int mesh_plink_open(struct sta_info *sta);
 int mesh_plink_close(struct sta_info *sta);
 void mesh_plink_block(struct sta_info *sta);
-void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
-			 size_t len, struct ieee80211_rx_status *rx_status);
+void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
+			 struct ieee80211_mgmt *mgmt, size_t len,
+			 struct ieee80211_rx_status *rx_status);
 
 /* Private interfaces */
 /* Mesh tables */
 struct mesh_table *mesh_table_alloc(int size_order);
 void mesh_table_free(struct mesh_table *tbl, bool free_leafs);
 struct mesh_table *mesh_table_grow(struct mesh_table *tbl);
-u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl);
+u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
+		struct mesh_table *tbl);
 /* Mesh paths */
 int mesh_path_error_tx(u8 *dest, __le32 dest_dsn, u8 *ra,
-		struct net_device *dev);
+		struct ieee80211_sub_if_data *sdata);
 void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
 void mesh_path_flush_pending(struct mesh_path *mpath);
 void mesh_path_tx_pending(struct mesh_path *mpath);
 int mesh_pathtbl_init(void);
 void mesh_pathtbl_unregister(void);
-int mesh_path_del(u8 *addr, struct net_device *dev);
+int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata);
 void mesh_path_timer(unsigned long data);
 void mesh_path_flush_by_nexthop(struct sta_info *sta);
-void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev);
+void mesh_path_discard_frame(struct sk_buff *skb,
+		struct ieee80211_sub_if_data *sdata);
 
 #ifdef CONFIG_MAC80211_MESH
 extern int mesh_allocated;

net/mac80211/mesh_hwmp.c

@@ -82,9 +82,9 @@ enum mpath_frame_type {
 static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		u8 *orig_addr, __le32 orig_dsn, u8 dst_flags, u8 *dst,
 		__le32 dst_dsn, u8 *da, u8 hop_count, u8 ttl, __le32 lifetime,
-		__le32 metric, __le32 preq_id, struct net_device *dev)
+		__le32 metric, __le32 preq_id, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	u8 *pos;
@@ -103,7 +103,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 					  IEEE80211_STYPE_ACTION);
 
 	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
 	mgmt->u.action.u.mesh_action.action_code = action;
@@ -149,7 +149,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	pos += ETH_ALEN;
 	memcpy(pos, &dst_dsn, 4);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_sta_tx(sdata, skb, 0);
 	return 0;
 }
 
@@ -161,9 +161,9 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
  * @ra: node this frame is addressed to
  */
 int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
-		struct net_device *dev)
+		struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	u8 *pos;
@@ -182,7 +182,7 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
 					  IEEE80211_STYPE_ACTION);
 
 	memcpy(mgmt->da, ra, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
 	mgmt->u.action.u.mesh_action.action_code = MPATH_PERR;
@@ -198,7 +198,7 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
 	pos += ETH_ALEN;
 	memcpy(pos, &dst_dsn, 4);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_sta_tx(sdata, skb, 0);
 	return 0;
 }
 
@@ -233,7 +233,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
 /**
  * hwmp_route_info_get - Update routing info to originator and transmitter
  *
- * @dev: local mesh interface
+ * @sdata: local mesh subif
  * @mgmt: mesh management frame
  * @hwmp_ie: hwmp information element (PREP or PREQ)
  *
@@ -246,11 +246,11 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
  * Notes: this function is the only place (besides user-provided info) where
  * path routing information is updated.
  */
-static u32 hwmp_route_info_get(struct net_device *dev,
+static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_mgmt *mgmt,
 			    u8 *hwmp_ie)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct mesh_path *mpath;
 	struct sta_info *sta;
 	bool fresh_info;
@@ -301,14 +301,14 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 		new_metric = MAX_METRIC;
 	exp_time = TU_TO_EXP_TIME(orig_lifetime);
 
-	if (memcmp(orig_addr, dev->dev_addr, ETH_ALEN) == 0) {
+	if (memcmp(orig_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		/* This MP is the originator, we are not interested in this
 		 * frame, except for updating transmitter's path info.
 		 */
 		process = false;
 		fresh_info = false;
 	} else {
-		mpath = mesh_path_lookup(orig_addr, dev);
+		mpath = mesh_path_lookup(orig_addr, sdata);
 		if (mpath) {
 			spin_lock_bh(&mpath->state_lock);
 			if (mpath->flags & MESH_PATH_FIXED)
@@ -324,8 +324,8 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 				}
 			}
 		} else {
-			mesh_path_add(orig_addr, dev);
-			mpath = mesh_path_lookup(orig_addr, dev);
+			mesh_path_add(orig_addr, sdata);
+			mpath = mesh_path_lookup(orig_addr, sdata);
 			if (!mpath) {
 				rcu_read_unlock();
 				return 0;
@@ -357,7 +357,7 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 	else {
 		fresh_info = true;
 
-		mpath = mesh_path_lookup(ta, dev);
+		mpath = mesh_path_lookup(ta, sdata);
 		if (mpath) {
 			spin_lock_bh(&mpath->state_lock);
 			if ((mpath->flags & MESH_PATH_FIXED) ||
@@ -365,8 +365,8 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 					(last_hop_metric > mpath->metric)))
 				fresh_info = false;
 		} else {
-			mesh_path_add(ta, dev);
-			mpath = mesh_path_lookup(ta, dev);
+			mesh_path_add(ta, sdata);
+			mpath = mesh_path_lookup(ta, sdata);
 			if (!mpath) {
 				rcu_read_unlock();
 				return 0;
@@ -392,10 +392,9 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 	return process ? new_metric : 0;
 }
 
-static void hwmp_preq_frame_process(struct net_device *dev,
+static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 				    struct ieee80211_mgmt *mgmt,
 				    u8 *preq_elem, u32 metric) {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	struct mesh_path *mpath;
 	u8 *dst_addr, *orig_addr;
@@ -411,7 +410,7 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 	orig_dsn = PREQ_IE_ORIG_DSN(preq_elem);
 	dst_flags = PREQ_IE_DST_F(preq_elem);
 
-	if (memcmp(dst_addr, dev->dev_addr, ETH_ALEN) == 0) {
+	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		forward = false;
 		reply = true;
 		metric = 0;
@@ -423,7 +422,7 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 		}
 	} else {
 		rcu_read_lock();
-		mpath = mesh_path_lookup(dst_addr, dev);
+		mpath = mesh_path_lookup(dst_addr, sdata);
 		if (mpath) {
 			if ((!(mpath->flags & MESH_PATH_DSN_VALID)) ||
 					DSN_LT(mpath->dsn, dst_dsn)) {
@@ -451,7 +450,7 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 				cpu_to_le32(dst_dsn), 0, orig_addr,
 				cpu_to_le32(orig_dsn), mgmt->sa, 0, ttl,
 				cpu_to_le32(lifetime), cpu_to_le32(metric),
-				0, dev);
+				0, sdata);
 		else
 			ifsta->mshstats.dropped_frames_ttl++;
 	}
@@ -472,20 +471,19 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 		hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1;
 		mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
 				cpu_to_le32(orig_dsn), dst_flags, dst_addr,
-				cpu_to_le32(dst_dsn), dev->broadcast,
+				cpu_to_le32(dst_dsn), sdata->dev->broadcast,
 				hopcount, ttl, cpu_to_le32(lifetime),
 				cpu_to_le32(metric), cpu_to_le32(preq_id),
-				dev);
+				sdata);
 		ifsta->mshstats.fwded_frames++;
 	}
 }
 
 
-static void hwmp_prep_frame_process(struct net_device *dev,
+static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 				    struct ieee80211_mgmt *mgmt,
 				    u8 *prep_elem, u32 metric)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct mesh_path *mpath;
 	u8 *dst_addr, *orig_addr;
 	u8 ttl, hopcount, flags;
@@ -499,7 +497,7 @@ static void hwmp_prep_frame_process(struct net_device *dev,
 	 * replies
 	 */
 	dst_addr = PREP_IE_DST_ADDR(prep_elem);
-	if (memcmp(dst_addr, dev->dev_addr, ETH_ALEN) == 0)
+	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0)
 		/* destination, no forwarding required */
 		return;
 
@@ -510,7 +508,7 @@ static void hwmp_prep_frame_process(struct net_device *dev,
 	}
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, dev);
+	mpath = mesh_path_lookup(dst_addr, sdata);
 	if (mpath)
 		spin_lock_bh(&mpath->state_lock);
 	else
@@ -533,7 +531,7 @@ static void hwmp_prep_frame_process(struct net_device *dev,
 		cpu_to_le32(orig_dsn), 0, dst_addr,
 		cpu_to_le32(dst_dsn), mpath->next_hop->addr, hopcount, ttl,
 		cpu_to_le32(lifetime), cpu_to_le32(metric),
-		0, dev);
+		0, sdata);
 	rcu_read_unlock();
 	sdata->u.sta.mshstats.fwded_frames++;
 	return;
@@ -544,7 +542,7 @@ fail:
 	return;
 }
 
-static void hwmp_perr_frame_process(struct net_device *dev,
+static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 			     struct ieee80211_mgmt *mgmt, u8 *perr_elem)
 {
 	struct mesh_path *mpath;
@@ -555,7 +553,7 @@ static void hwmp_perr_frame_process(struct net_device *dev,
 	dst_addr = PERR_IE_DST_ADDR(perr_elem);
 	dst_dsn = PERR_IE_DST_DSN(perr_elem);
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, dev);
+	mpath = mesh_path_lookup(dst_addr, sdata);
 	if (mpath) {
 		spin_lock_bh(&mpath->state_lock);
 		if (mpath->flags & MESH_PATH_ACTIVE &&
@@ -566,7 +564,7 @@ static void hwmp_perr_frame_process(struct net_device *dev,
 			mpath->dsn = dst_dsn;
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(dst_addr, cpu_to_le32(dst_dsn),
-					   dev->broadcast, dev);
+					   sdata->dev->broadcast, sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}
@@ -575,7 +573,7 @@ static void hwmp_perr_frame_process(struct net_device *dev,
 
 
 
-void mesh_rx_path_sel_frame(struct net_device *dev,
+void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_mgmt *mgmt,
 			    size_t len)
 {
@@ -592,25 +590,25 @@ void mesh_rx_path_sel_frame(struct net_device *dev,
 		if (!elems.preq || elems.preq_len != 37)
 			/* Right now we support just 1 destination and no AE */
 			return;
-		last_hop_metric = hwmp_route_info_get(dev, mgmt, elems.preq);
+		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq);
 		if (!last_hop_metric)
 			return;
-		hwmp_preq_frame_process(dev, mgmt, elems.preq, last_hop_metric);
+		hwmp_preq_frame_process(sdata, mgmt, elems.preq, last_hop_metric);
 		break;
 	case MPATH_PREP:
 		if (!elems.prep || elems.prep_len != 31)
 			/* Right now we support no AE */
 			return;
-		last_hop_metric = hwmp_route_info_get(dev, mgmt, elems.prep);
+		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep);
 		if (!last_hop_metric)
 			return;
-		hwmp_prep_frame_process(dev, mgmt, elems.prep, last_hop_metric);
+		hwmp_prep_frame_process(sdata, mgmt, elems.prep, last_hop_metric);
 		break;
 	case MPATH_PERR:
 		if (!elems.perr || elems.perr_len != 12)
 			/* Right now we support only one destination per PERR */
 			return;
-		hwmp_perr_frame_process(dev, mgmt, elems.perr);
+		hwmp_perr_frame_process(sdata, mgmt, elems.perr);
 	default:
 		return;
 	}
@@ -628,8 +626,7 @@ void mesh_rx_path_sel_frame(struct net_device *dev,
  */
 static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 {
-	struct ieee80211_sub_if_data *sdata =
-		IEEE80211_DEV_TO_SUB_IF(mpath->dev);
+	struct ieee80211_sub_if_data *sdata = mpath->sdata;
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	struct mesh_preq_queue *preq_node;
 
@@ -672,12 +669,10 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 /**
  * mesh_path_start_discovery - launch a path discovery from the PREQ queue
  *
- * @dev: local mesh interface
+ * @sdata: local mesh subif
  */
-void mesh_path_start_discovery(struct net_device *dev)
+void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata =
-		IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	struct mesh_preq_queue *preq_node;
 	struct mesh_path *mpath;
@@ -699,7 +694,7 @@ void mesh_path_start_discovery(struct net_device *dev)
 	spin_unlock(&ifsta->mesh_preq_queue_lock);
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(preq_node->dst, dev);
+	mpath = mesh_path_lookup(preq_node->dst, sdata);
 	if (!mpath)
 		goto enddiscovery;
 
@@ -743,11 +738,11 @@ void mesh_path_start_discovery(struct net_device *dev)
 		dst_flags = MP_F_RF;
 
 	spin_unlock_bh(&mpath->state_lock);
-	mesh_path_sel_frame_tx(MPATH_PREQ, 0, dev->dev_addr,
+	mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->dev->dev_addr,
 			cpu_to_le32(ifsta->dsn), dst_flags, mpath->dst,
-			cpu_to_le32(mpath->dsn), dev->broadcast, 0,
+			cpu_to_le32(mpath->dsn), sdata->dev->broadcast, 0,
 			ttl, cpu_to_le32(lifetime), 0,
-			cpu_to_le32(ifsta->preq_id++), dev);
+			cpu_to_le32(ifsta->preq_id++), sdata);
 	mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
 
 enddiscovery:
@@ -759,7 +754,7 @@ enddiscovery:
  * ieee80211s_lookup_nexthop - put the appropriate next hop on a mesh frame
  *
  * @skb: 802.11 frame to be sent
- * @dev: network device the frame will be sent through
+ * @sdata: network subif the frame will be sent through
  * @fwd_frame: true if this frame was originally from a different host
  *
  * Returns: 0 if the next hop was found. Nonzero otherwise. If no next hop is
@@ -767,9 +762,9 @@ enddiscovery:
  * sent when the path is resolved. This means the caller must not free the skb
  * in this case.
  */
-int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
+int mesh_nexthop_lookup(struct sk_buff *skb,
+			struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct sk_buff *skb_to_free = NULL;
 	struct mesh_path *mpath;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -777,11 +772,11 @@ int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
 	int err = 0;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, dev);
+	mpath = mesh_path_lookup(dst_addr, sdata);
 
 	if (!mpath) {
-		mesh_path_add(dst_addr, dev);
-		mpath = mesh_path_lookup(dst_addr, dev);
+		mesh_path_add(dst_addr, sdata);
+		mpath = mesh_path_lookup(dst_addr, sdata);
 		if (!mpath) {
 			dev_kfree_skb(skb);
 			sdata->u.sta.mshstats.dropped_frames_no_route++;
@@ -793,7 +788,8 @@ int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
 	if (mpath->flags & MESH_PATH_ACTIVE) {
 		if (time_after(jiffies, mpath->exp_time -
 			msecs_to_jiffies(sdata->u.sta.mshcfg.path_refresh_time))
-				&& !memcmp(dev->dev_addr, hdr->addr4, ETH_ALEN)
+				&& !memcmp(sdata->dev->dev_addr, hdr->addr4,
+					   ETH_ALEN)
 				&& !(mpath->flags & MESH_PATH_RESOLVING)
 				&& !(mpath->flags & MESH_PATH_FIXED)) {
 			mesh_queue_preq(mpath,
@@ -815,7 +811,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
 
 		skb_queue_tail(&mpath->frame_queue, skb);
 		if (skb_to_free)
-			mesh_path_discard_frame(skb_to_free, dev);
+			mesh_path_discard_frame(skb_to_free, sdata);
 		err = -ENOENT;
 	}
 
@@ -835,7 +831,7 @@ void mesh_path_timer(unsigned long data)
 	if (!mpath)
 		goto endmpathtimer;
 	spin_lock_bh(&mpath->state_lock);
-	sdata = IEEE80211_DEV_TO_SUB_IF(mpath->dev);
+	sdata = mpath->sdata;
 	if (mpath->flags & MESH_PATH_RESOLVED ||
 			(!(mpath->flags & MESH_PATH_RESOLVING)))
 		mpath->flags &= ~(MESH_PATH_RESOLVING | MESH_PATH_RESOLVED);

net/mac80211/mesh_pathtbl.c

@@ -9,7 +9,6 @@
 
 #include <linux/etherdevice.h>
 #include <linux/list.h>
-#include <linux/netdevice.h>
 #include <linux/random.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
@@ -62,13 +61,13 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta)
 /**
  * mesh_path_lookup - look up a path in the mesh path table
  * @dst: hardware address (ETH_ALEN length) of destination
- * @dev: local interface
+ * @sdata: local subif
  *
  * Returns: pointer to the mesh path structure, or NULL if not found
  *
  * Locking: must be called within a read rcu section.
  */
-struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev)
+struct mesh_path *mesh_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct hlist_node *n;
@@ -78,10 +77,10 @@ struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev)
 
 	tbl = rcu_dereference(mesh_paths);
 
-	bucket = &tbl->hash_buckets[mesh_table_hash(dst, dev, tbl)];
+	bucket = &tbl->hash_buckets[mesh_table_hash(dst, sdata, tbl)];
 	hlist_for_each_entry_rcu(node, n, bucket, list) {
 		mpath = node->mpath;
-		if (mpath->dev == dev &&
+		if (mpath->sdata == sdata &&
 				memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
 			if (MPATH_EXPIRED(mpath)) {
 				spin_lock_bh(&mpath->state_lock);
@@ -98,13 +97,13 @@ struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev)
 /**
  * mesh_path_lookup_by_idx - look up a path in the mesh path table by its index
  * @idx: index
- * @dev: local interface, or NULL for all entries
+ * @sdata: local subif, or NULL for all entries
  *
  * Returns: pointer to the mesh path structure, or NULL if not found.
  *
  * Locking: must be called within a read rcu section.
  */
-struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev)
+struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data *sdata)
 {
 	struct mpath_node *node;
 	struct hlist_node *p;
@@ -112,7 +111,7 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev)
 	int j = 0;
 
 	for_each_mesh_entry(mesh_paths, p, node, i) {
-		if (dev && node->mpath->dev != dev)
+		if (sdata && node->mpath->sdata != sdata)
 			continue;
 		if (j++ == idx) {
 			if (MPATH_EXPIRED(node->mpath)) {
@@ -131,15 +130,14 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev)
 /**
  * mesh_path_add - allocate and add a new path to the mesh path table
  * @addr: destination address of the path (ETH_ALEN length)
- * @dev: local interface
+ * @sdata: local subif
  *
  * Returns: 0 on sucess
  *
  * State: the initial state of the new path is set to 0
  */
-int mesh_path_add(u8 *dst, struct net_device *dev)
+int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct mesh_path *mpath, *new_mpath;
 	struct mpath_node *node, *new_node;
 	struct hlist_head *bucket;
@@ -148,7 +146,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 	int err = 0;
 	u32 hash_idx;
 
-	if (memcmp(dst, dev->dev_addr, ETH_ALEN) == 0)
+	if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
 		/* never add ourselves as neighbours */
 		return -ENOTSUPP;
 
@@ -169,7 +167,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 
 	read_lock(&pathtbl_resize_lock);
 	memcpy(new_mpath->dst, dst, ETH_ALEN);
-	new_mpath->dev = dev;
+	new_mpath->sdata = sdata;
 	new_mpath->flags = 0;
 	skb_queue_head_init(&new_mpath->frame_queue);
 	new_node->mpath = new_mpath;
@@ -179,7 +177,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 	spin_lock_init(&new_mpath->state_lock);
 	init_timer(&new_mpath->timer);
 
-	hash_idx = mesh_table_hash(dst, dev, mesh_paths);
+	hash_idx = mesh_table_hash(dst, sdata, mesh_paths);
 	bucket = &mesh_paths->hash_buckets[hash_idx];
 
 	spin_lock(&mesh_paths->hashwlock[hash_idx]);
@@ -187,7 +185,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 	err = -EEXIST;
 	hlist_for_each_entry(node, n, bucket, list) {
 		mpath = node->mpath;
-		if (mpath->dev == dev && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
+		if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
 			goto err_exists;
 	}
 
@@ -241,7 +239,7 @@ void mesh_plink_broken(struct sta_info *sta)
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_node *p;
-	struct net_device *dev = sta->sdata->dev;
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	int i;
 
 	rcu_read_lock();
@@ -256,7 +254,7 @@ void mesh_plink_broken(struct sta_info *sta)
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(mpath->dst,
 					cpu_to_le32(mpath->dsn),
-					dev->broadcast, dev);
+					sdata->dev->broadcast, sdata);
 		} else
 		spin_unlock_bh(&mpath->state_lock);
 	}
@@ -284,11 +282,11 @@ void mesh_path_flush_by_nexthop(struct sta_info *sta)
 	for_each_mesh_entry(mesh_paths, p, node, i) {
 		mpath = node->mpath;
 		if (mpath->next_hop == sta)
-			mesh_path_del(mpath->dst, mpath->dev);
+			mesh_path_del(mpath->dst, mpath->sdata);
 	}
 }
 
-void mesh_path_flush(struct net_device *dev)
+void mesh_path_flush(struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -297,16 +295,15 @@ void mesh_path_flush(struct net_device *dev)
 
 	for_each_mesh_entry(mesh_paths, p, node, i) {
 		mpath = node->mpath;
-		if (mpath->dev == dev)
-			mesh_path_del(mpath->dst, mpath->dev);
+		if (mpath->sdata == sdata)
+			mesh_path_del(mpath->dst, mpath->sdata);
 	}
 }
 
 static void mesh_path_node_reclaim(struct rcu_head *rp)
 {
 	struct mpath_node *node = container_of(rp, struct mpath_node, rcu);
-	struct ieee80211_sub_if_data *sdata =
-		IEEE80211_DEV_TO_SUB_IF(node->mpath->dev);
+	struct ieee80211_sub_if_data *sdata = node->mpath->sdata;
 
 	del_timer_sync(&node->mpath->timer);
 	atomic_dec(&sdata->u.sta.mpaths);
@@ -318,11 +315,11 @@ static void mesh_path_node_reclaim(struct rcu_head *rp)
  * mesh_path_del - delete a mesh path from the table
  *
  * @addr: dst address (ETH_ALEN length)
- * @dev: local interface
+ * @sdata: local subif
  *
  * Returns: 0 if succesful
  */
-int mesh_path_del(u8 *addr, struct net_device *dev)
+int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -332,13 +329,13 @@ int mesh_path_del(u8 *addr, struct net_device *dev)
 	int err = 0;
 
 	read_lock(&pathtbl_resize_lock);
-	hash_idx = mesh_table_hash(addr, dev, mesh_paths);
+	hash_idx = mesh_table_hash(addr, sdata, mesh_paths);
 	bucket = &mesh_paths->hash_buckets[hash_idx];
 
 	spin_lock(&mesh_paths->hashwlock[hash_idx]);
 	hlist_for_each_entry(node, n, bucket, list) {
 		mpath = node->mpath;
-		if (mpath->dev == dev &&
+		if (mpath->sdata == sdata &&
 				memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
 			spin_lock_bh(&mpath->state_lock);
 			mpath->flags |= MESH_PATH_RESOLVING;
@@ -378,29 +375,29 @@ void mesh_path_tx_pending(struct mesh_path *mpath)
  * mesh_path_discard_frame - discard a frame whose path could not be resolved
  *
  * @skb: frame to discard
- * @dev: network device the frame was to be sent through
+ * @sdata: network subif the frame was to be sent through
  *
  * If the frame was beign forwarded from another MP, a PERR frame will be sent
  * to the precursor.
  *
  * Locking: the function must me called within a rcu_read_lock region
  */
-void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev)
+void mesh_path_discard_frame(struct sk_buff *skb,
+			     struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct mesh_path *mpath;
 	u32 dsn = 0;
 
-	if (memcmp(hdr->addr4, dev->dev_addr, ETH_ALEN) != 0) {
+	if (memcmp(hdr->addr4, sdata->dev->dev_addr, ETH_ALEN) != 0) {
 		u8 *ra, *da;
 
 		da = hdr->addr3;
 		ra = hdr->addr2;
-		mpath = mesh_path_lookup(da, dev);
+		mpath = mesh_path_lookup(da, sdata);
 		if (mpath)
 			dsn = ++mpath->dsn;
-		mesh_path_error_tx(skb->data, cpu_to_le32(dsn), ra, dev);
+		mesh_path_error_tx(skb->data, cpu_to_le32(dsn), ra, sdata);
 	}
 
 	kfree_skb(skb);
@@ -416,14 +413,11 @@ void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev)
  */
 void mesh_path_flush_pending(struct mesh_path *mpath)
 {
-	struct ieee80211_sub_if_data *sdata;
 	struct sk_buff *skb;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(mpath->dev);
-
 	while ((skb = skb_dequeue(&mpath->frame_queue)) &&
 			(mpath->flags & MESH_PATH_ACTIVE))
-		mesh_path_discard_frame(skb, mpath->dev);
+		mesh_path_discard_frame(skb, mpath->sdata);
 }
 
 /**
@@ -472,7 +466,7 @@ static int mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl)
 	node = hlist_entry(p, struct mpath_node, list);
 	mpath = node->mpath;
 	new_node->mpath = mpath;
-	hash_idx = mesh_table_hash(mpath->dst, mpath->dev, newtbl);
+	hash_idx = mesh_table_hash(mpath->dst, mpath->sdata, newtbl);
 	hlist_add_head(&new_node->list,
 			&newtbl->hash_buckets[hash_idx]);
 	return 0;
@@ -489,7 +483,7 @@ int mesh_pathtbl_init(void)
 	return 0;
 }
 
-void mesh_path_expire(struct net_device *dev)
+void mesh_path_expire(struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -498,7 +492,7 @@ void mesh_path_expire(struct net_device *dev)
 
 	read_lock(&pathtbl_resize_lock);
 	for_each_mesh_entry(mesh_paths, p, node, i) {
-		if (node->mpath->dev != dev)
+		if (node->mpath->sdata != sdata)
 			continue;
 		mpath = node->mpath;
 		spin_lock_bh(&mpath->state_lock);
@@ -507,7 +501,7 @@ void mesh_path_expire(struct net_device *dev)
 			time_after(jiffies,
 			 mpath->exp_time + MESH_PATH_EXPIRE)) {
 			spin_unlock_bh(&mpath->state_lock);
-			mesh_path_del(mpath->dst, mpath->dev);
+			mesh_path_del(mpath->dst, mpath->sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}

net/mac80211/mesh_plink.c

@@ -144,10 +144,10 @@ void mesh_plink_deactivate(struct sta_info *sta)
 	spin_unlock_bh(&sta->lock);
 }
 
-static int mesh_plink_frame_tx(struct net_device *dev,
+static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 		enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid,
 		__le16 reason) {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	bool include_plid = false;
@@ -166,7 +166,7 @@ static int mesh_plink_frame_tx(struct net_device *dev,
 	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 					  IEEE80211_STYPE_ACTION);
 	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = PLINK_CATEGORY;
 	mgmt->u.action.u.plink_action.action_code = action;
@@ -180,7 +180,7 @@ static int mesh_plink_frame_tx(struct net_device *dev,
 			/* two-byte status code followed by two-byte AID */
 			memset(pos, 0, 4);
 		}
-		mesh_mgmt_ies_add(skb, dev);
+		mesh_mgmt_ies_add(skb, sdata);
 	}
 
 	/* Add Peer Link Management element */
@@ -217,15 +217,14 @@ static int mesh_plink_frame_tx(struct net_device *dev,
 		memcpy(pos, &reason, 2);
 	}
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_sta_tx(sdata, skb, 0);
 	return 0;
 }
 
-void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev,
+void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct ieee80211_sub_if_data *sdata,
 			   bool peer_accepting_plinks)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 
 	rcu_read_lock();
@@ -257,7 +256,6 @@ static void mesh_plink_timer(unsigned long data)
 {
 	struct sta_info *sta;
 	__le16 llid, plid, reason;
-	struct net_device *dev = NULL;
 	struct ieee80211_sub_if_data *sdata;
 #ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
 	DECLARE_MAC_BUF(mac);
@@ -282,7 +280,6 @@ static void mesh_plink_timer(unsigned long data)
 	llid = sta->llid;
 	plid = sta->plid;
 	sdata = sta->sdata;
-	dev = sdata->dev;
 
 	switch (sta->plink_state) {
 	case PLINK_OPN_RCVD:
@@ -299,7 +296,7 @@ static void mesh_plink_timer(unsigned long data)
 			++sta->plink_retries;
 			mod_plink_timer(sta, sta->plink_timeout);
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_OPEN, sta->addr, llid,
 					    0, 0);
 			break;
 		}
@@ -312,7 +309,7 @@ static void mesh_plink_timer(unsigned long data)
 		sta->plink_state = PLINK_HOLDING;
 		mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
 		spin_unlock_bh(&sta->lock);
-		mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid,
+		mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->addr, llid, plid,
 				    reason);
 		break;
 	case PLINK_HOLDING:
@@ -357,7 +354,7 @@ int mesh_plink_open(struct sta_info *sta)
 	mpl_dbg("Mesh plink: starting establishment with %s\n",
 		print_mac(mac, sta->addr));
 
-	return mesh_plink_frame_tx(sdata->dev, PLINK_OPEN,
+	return mesh_plink_frame_tx(sdata, PLINK_OPEN,
 				   sta->addr, llid, 0, 0);
 }
 
@@ -403,15 +400,14 @@ int mesh_plink_close(struct sta_info *sta)
 	llid = sta->llid;
 	plid = sta->plid;
 	spin_unlock_bh(&sta->lock);
-	mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid,
+	mesh_plink_frame_tx(sta->sdata, PLINK_CLOSE, sta->addr, llid,
 			    plid, reason);
 	return 0;
 }
 
-void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
+void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt,
 			 size_t len, struct ieee80211_rx_status *rx_status)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
 	struct ieee802_11_elems elems;
 	struct sta_info *sta;
@@ -478,7 +474,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 	/* Now we will figure out the appropriate event... */
 	event = PLINK_UNDEFINED;
-	if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, dev))) {
+	if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, sdata))) {
 		switch (ftype) {
 		case PLINK_OPEN:
 			event = OPN_RJCT;
@@ -577,9 +573,9 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			sta->llid = llid;
 			mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_OPEN, sta->addr, llid,
 					    0, 0);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->addr,
 					    llid, plid, 0);
 			break;
 		default:
@@ -604,7 +600,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
@@ -613,7 +609,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			sta->plid = plid;
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
 		case CNF_ACPT:
@@ -646,13 +642,13 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
 		case CNF_ACPT:
@@ -685,7 +681,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
@@ -695,7 +691,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			spin_unlock_bh(&sta->lock);
 			mpl_dbg("Mesh plink with %s ESTABLISHED\n",
 					print_mac(mac, sta->addr));
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
 		default:
@@ -714,13 +710,13 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			llid = sta->llid;
 			mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
 		default:
@@ -743,7 +739,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			llid = sta->llid;
 			reason = sta->reason;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		default:

net/mac80211/rx.c

@@ -404,11 +404,11 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
 	struct sk_buff *skb = rx->skb;
 
 	if (unlikely(local->sta_hw_scanning))
-		return ieee80211_sta_rx_scan(rx->dev, skb, rx->status);
+		return ieee80211_sta_rx_scan(rx->sdata, skb, rx->status);
 
 	if (unlikely(local->sta_sw_scanning)) {
 		/* drop all the other packets during a software scan anyway */
-		if (ieee80211_sta_rx_scan(rx->dev, skb, rx->status)
+		if (ieee80211_sta_rx_scan(rx->sdata, skb, rx->status)
 		    != RX_QUEUED)
 			dev_kfree_skb(skb);
 		return RX_QUEUED;
@@ -466,7 +466,7 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 
 	if (ieee80211_is_data(hdr->frame_control) &&
 	    is_multicast_ether_addr(hdr->addr1) &&
-	    mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->dev))
+	    mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->sdata))
 		return RX_DROP_MONITOR;
 #undef msh_h_get
 
@@ -1523,7 +1523,7 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
 	     sdata->vif.type == IEEE80211_IF_TYPE_IBSS ||
 	     sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) &&
 	    !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME))
-		ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->status);
+		ieee80211_sta_rx_mgmt(sdata, rx->skb, rx->status);
 	else
 		return RX_DROP_MONITOR;
 
@@ -1570,7 +1570,7 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
 	    !ieee80211_is_auth(hdr->frame_control))
 		goto ignore;
 
-	mac80211_ev_michael_mic_failure(rx->dev, keyidx, hdr);
+	mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr);
  ignore:
 	dev_kfree_skb(rx->skb);
 	rx->skb = NULL;
@@ -1744,7 +1744,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			return 0;
 		if (ieee80211_is_beacon(hdr->frame_control)) {
 			if (!rx->sta)
-				rx->sta = ieee80211_ibss_add_sta(sdata->dev,
+				rx->sta = ieee80211_ibss_add_sta(sdata,
 						rx->skb, bssid, hdr->addr2,
 						BIT(rx->status->rate_idx));
 			return 1;
@@ -1760,7 +1760,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 				return 0;
 			rx->flags &= ~IEEE80211_RX_RA_MATCH;
 		} else if (!rx->sta)
-			rx->sta = ieee80211_ibss_add_sta(sdata->dev, rx->skb,
+			rx->sta = ieee80211_ibss_add_sta(sdata, rx->skb,
 						bssid, hdr->addr2,
 						BIT(rx->status->rate_idx));
 		break;
@@ -2066,7 +2066,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 	/* if this mpdu is fragmented - terminate rx aggregation session */
 	sc = le16_to_cpu(hdr->seq_ctrl);
 	if (sc & IEEE80211_SCTL_FRAG) {
-		ieee80211_sta_stop_rx_ba_session(sta->sdata->dev, sta->addr,
+		ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->addr,
 			tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
 		ret = 1;
 		goto end_reorder;

net/mac80211/tx.c

@@ -1327,7 +1327,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 			if (is_multicast_ether_addr(hdr->addr3))
 				memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
 			else
-				if (mesh_nexthop_lookup(skb, odev))
+				if (mesh_nexthop_lookup(skb, osdata))
 					return  0;
 			if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
 				IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.sta,
@@ -1908,7 +1908,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 		*pos++ = WLAN_EID_SSID;
 		*pos++ = 0x0;
 
-		mesh_mgmt_ies_add(skb, sdata->dev);
+		mesh_mgmt_ies_add(skb, sdata);
 
 		num_beacons = &sdata->u.sta.num_beacons;
 	} else {

net/mac80211/wext.c

@@ -27,22 +27,19 @@
 #include "aes_ccm.h"
 
 
-static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
+static int ieee80211_set_encryption(struct ieee80211_sub_if_data *sdata, u8 *sta_addr,
 				    int idx, int alg, int remove,
 				    int set_tx_key, const u8 *_key,
 				    size_t key_len)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 	struct ieee80211_key *key;
-	struct ieee80211_sub_if_data *sdata;
 	int err;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
 		printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
-		       dev->name, idx);
+		       sdata->dev->name, idx);
 		return -EINVAL;
 	}
 
@@ -127,11 +124,11 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev,
 
 	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
+		int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
 		if (ret)
 			return ret;
 		sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
-		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		return 0;
 	}
 
@@ -333,12 +330,11 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
 	return 0;
 }
 
-int ieee80211_set_freq(struct net_device *dev, int freqMHz)
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
 {
 	int ret = -EINVAL;
 	struct ieee80211_channel *chan;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
 
 	chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
 
@@ -346,7 +342,7 @@ int ieee80211_set_freq(struct net_device *dev, int freqMHz)
 		if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
 		    chan->flags & IEEE80211_CHAN_NO_IBSS) {
 			printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
-				"%d MHz\n", dev->name, chan->center_freq);
+				"%d MHz\n", sdata->dev->name, chan->center_freq);
 			return ret;
 		}
 		local->oper_channel = chan;
@@ -379,14 +375,14 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 					IEEE80211_STA_AUTO_CHANNEL_SEL;
 			return 0;
 		} else
-			return ieee80211_set_freq(dev,
+			return ieee80211_set_freq(sdata,
 				ieee80211_channel_to_frequency(freq->m));
 	} else {
 		int i, div = 1000000;
 		for (i = 0; i < freq->e; i++)
 			div /= 10;
 		if (div > 0)
-			return ieee80211_set_freq(dev, freq->m / div);
+			return ieee80211_set_freq(sdata, freq->m / div);
 		else
 			return -EINVAL;
 	}
@@ -432,10 +428,10 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
 			sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
 		else
 			sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
-		ret = ieee80211_sta_set_ssid(dev, ssid, len);
+		ret = ieee80211_sta_set_ssid(sdata, ssid, len);
 		if (ret)
 			return ret;
-		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		return 0;
 	}
 
@@ -460,7 +456,7 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		int res = ieee80211_sta_get_ssid(dev, ssid, &len);
+		int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
 		if (res == 0) {
 			data->length = len;
 			data->flags = 1;
@@ -504,10 +500,10 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
 			sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 		else
 			sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
-		ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
+		ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
 		if (ret)
 			return ret;
-		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		return 0;
 	} else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
 		/*
@@ -584,7 +580,7 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
 		ssid_len = req->essid_len;
 	}
 
-	return ieee80211_sta_req_scan(dev, ssid, ssid_len);
+	return ieee80211_sta_req_scan(sdata, ssid, ssid_len);
 }
 
 
@@ -594,11 +590,14 @@ static int ieee80211_ioctl_giwscan(struct net_device *dev,
 {
 	int res;
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (local->sta_sw_scanning || local->sta_hw_scanning)
 		return -EAGAIN;
 
-	res = ieee80211_sta_scan_results(dev, info, extra, data->length);
+	res = ieee80211_sta_scan_results(local, info, extra, data->length);
 	if (res >= 0) {
 		data->length = res;
 		return 0;
@@ -894,10 +893,10 @@ static int ieee80211_ioctl_siwmlme(struct net_device *dev,
 	switch (mlme->cmd) {
 	case IW_MLME_DEAUTH:
 		/* TODO: mlme->addr.sa_data */
-		return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
+		return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
 	case IW_MLME_DISASSOC:
 		/* TODO: mlme->addr.sa_data */
-		return ieee80211_sta_disassociate(dev, mlme->reason_code);
+		return ieee80211_sta_disassociate(sdata, mlme->reason_code);
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -938,7 +937,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
 	}
 
 	return ieee80211_set_encryption(
-		dev, bcaddr,
+		sdata, bcaddr,
 		idx, alg, remove,
 		!sdata->default_key,
 		keybuf, erq->length);
@@ -1184,7 +1183,7 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
 	} else
 		idx--;
 
-	return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
+	return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
 					remove,
 					ext->ext_flags &
 					IW_ENCODE_EXT_SET_TX_KEY,

net/mac80211/wpa.c

@@ -127,7 +127,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
 		if (!(rx->flags & IEEE80211_RX_RA_MATCH))
 			return RX_DROP_UNUSABLE;
 
-		mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx,
+		mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx,
 						(void *) skb->data);
 		return RX_DROP_UNUSABLE;
 	}