mac80211: refactor mesh peer rate handling
To avoid passing supp_rates and basic_rates around all the time, just
derive these when needed in mesh_matches_local() and mesh_peer_init().
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 133c1185..598a96a 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -64,18 +64,18 @@
/**
* mesh_matches_local - check if the config of a mesh point matches ours
*
- * @ie: information elements of a management frame from the mesh peer
* @sdata: local mesh subif
- * @basic_rates: BSSBasicRateSet of the peer candidate
+ * @ie: information elements of a management frame from the mesh peer
*
* 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 ieee80211_sub_if_data *sdata, u32 basic_rates)
+bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *ie)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
+ u32 basic_rates = 0;
/*
* As support for each feature is added, check for matching
@@ -96,6 +96,9 @@
(ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
goto mismatch;
+ ieee80211_sta_get_rates(local, ie, local->oper_channel->band,
+ &basic_rates);
+
if (sdata->vif.bss_conf.basic_rates != basic_rates)
goto mismatch;
@@ -630,7 +633,6 @@
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee802_11_elems elems;
struct ieee80211_channel *channel;
- u32 supp_rates = 0, basic_rates = 0;
size_t baselen;
int freq;
enum ieee80211_band band = rx_status->band;
@@ -661,12 +663,9 @@
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
- supp_rates = ieee80211_sta_get_rates(local, &elems,
- band, &basic_rates);
-
if (elems.mesh_id && elems.mesh_config &&
- mesh_matches_local(&elems, sdata, basic_rates))
- mesh_neighbour_update(mgmt->sa, supp_rates, sdata, &elems);
+ mesh_matches_local(sdata, &elems))
+ mesh_neighbour_update(sdata, mgmt->sa, &elems);
if (ifmsh->sync_ops)
ifmsh->sync_ops->rx_bcn_presp(sdata,
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 4ad7389..345f0e7 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -222,8 +222,8 @@
char *addr6);
int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
struct ieee80211_sub_if_data *sdata);
-bool mesh_matches_local(struct ieee802_11_elems *ie,
- struct ieee80211_sub_if_data *sdata, u32 basic_rates);
+bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *ie);
void mesh_ids_set_default(struct ieee80211_if_mesh *mesh);
void mesh_mgmt_ies_add(struct sk_buff *skb,
struct ieee80211_sub_if_data *sdata);
@@ -276,9 +276,9 @@
int mesh_path_send_to_gates(struct mesh_path *mpath);
int mesh_gate_num(struct ieee80211_sub_if_data *sdata);
/* Mesh plinks */
-void mesh_neighbour_update(u8 *hw_addr, u32 rates,
- struct ieee80211_sub_if_data *sdata,
- struct ieee802_11_elems *ie);
+void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
+ u8 *hw_addr,
+ struct ieee802_11_elems *ie);
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);
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index c3a0b0a..c2af7b3 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -268,20 +268,22 @@
*
* @sdata: local meshif
* @addr: peer's address
- * @rates: station's supported rates
* @elems: IEs from beacon or mesh peering frame
*
* call under RCU
*/
static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata,
- u8 *addr, u32 rates,
+ u8 *addr,
struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
+ enum ieee80211_band band = local->oper_channel->band;
struct ieee80211_supported_band *sband;
+ u32 rates, basic_rates = 0;
struct sta_info *sta;
- sband = local->hw.wiphy->bands[local->oper_channel->band];
+ sband = local->hw.wiphy->bands[band];
+ rates = ieee80211_sta_get_rates(local, elems, band, &basic_rates);
sta = sta_info_get(sdata, addr);
if (!sta) {
@@ -292,7 +294,7 @@
spin_lock_bh(&sta->lock);
sta->last_rx = jiffies;
- sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+ sta->sta.supp_rates[band] = rates;
if (elems->ht_cap_elem)
ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
elems->ht_cap_elem,
@@ -306,8 +308,8 @@
return sta;
}
-void mesh_neighbour_update(u8 *hw_addr, u32 rates,
- struct ieee80211_sub_if_data *sdata,
+void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
+ u8 *hw_addr,
struct ieee802_11_elems *elems)
{
struct sta_info *sta;
@@ -322,7 +324,7 @@
}
rcu_read_lock();
- sta = mesh_peer_init(sdata, hw_addr, rates, elems);
+ sta = mesh_peer_init(sdata, hw_addr, elems);
if (!sta)
goto out;
@@ -479,7 +481,6 @@
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_local *local = sdata->local;
struct ieee802_11_elems elems;
struct sta_info *sta;
enum plink_event event;
@@ -488,7 +489,6 @@
bool deactivated, matches_local = true;
u8 ie_len;
u8 *baseaddr;
- u32 rates, basic_rates = 0;
__le16 plid, llid, reason;
#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
static const char *mplstates[] = {
@@ -583,11 +583,8 @@
/* Now we will figure out the appropriate event... */
event = PLINK_UNDEFINED;
- rates = ieee80211_sta_get_rates(local, &elems,
- rx_status->band, &basic_rates);
-
if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
- (!mesh_matches_local(&elems, sdata, basic_rates))) {
+ !mesh_matches_local(sdata, &elems)) {
matches_local = false;
switch (ftype) {
case WLAN_SP_MESH_PEERING_OPEN:
@@ -660,7 +657,7 @@
if (event == OPN_ACPT) {
/* allocate sta entry if necessary and update info */
- sta = mesh_peer_init(sdata, mgmt->sa, rates, &elems);
+ sta = mesh_peer_init(sdata, mgmt->sa, &elems);
if (!sta) {
mpl_dbg("Mesh plink: failed to init peer!\n");
rcu_read_unlock();
