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authorThomas Pedersen <thomas@cozybit.com>2011-10-26 14:47:28 -0700
committerJohn W. Linville <linville@tuxdriver.com>2011-11-08 15:54:33 -0500
commit739522baa1d6804a3ff33e8c135db0e6b2165f75 (patch)
treef0b634273a0bec7b88008c7c07e42608e2552f81 /net/mac80211
parent176f36086e8a00bdf701dc6e4c5a8784ef6529df (diff)
downloadblackbird-op-linux-739522baa1d6804a3ff33e8c135db0e6b2165f75.tar.gz
blackbird-op-linux-739522baa1d6804a3ff33e8c135db0e6b2165f75.zip
mac80211: set HT capabilities for mesh peer
Set peer's HT capabilities, and disallow peering if we're on a different channel type. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Ashok Nagarajan <anagar6@uic.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/mesh.c27
-rw-r--r--net/mac80211/mesh_plink.c13
2 files changed, 28 insertions, 12 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 2dc76a962930..b3a125f60347 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -76,6 +76,7 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ struct ieee80211_local *local = sdata->local;
/*
* As support for each feature is added, check for matching
@@ -87,15 +88,23 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
* - MDA enabled
* - Power management control on fc
*/
- if (ifmsh->mesh_id_len == ie->mesh_id_len &&
- memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
- (ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) &&
- (ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) &&
- (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) &&
- (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) &&
- (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth))
- return true;
-
+ if (!(ifmsh->mesh_id_len == ie->mesh_id_len &&
+ memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
+ (ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) &&
+ (ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) &&
+ (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) &&
+ (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) &&
+ (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
+ goto mismatch;
+
+ /* disallow peering with mismatched channel types for now */
+ if (ie->ht_info_elem &&
+ (local->_oper_channel_type !=
+ ieee80211_ht_info_to_channel_type(ie->ht_info_elem)))
+ goto mismatch;
+
+ return true;
+mismatch:
return false;
}
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 986af8acc49e..0140e88a8220 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -80,11 +80,15 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta)
* on it in the lifecycle management section!
*/
static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
- u8 *hw_addr, u32 rates)
+ u8 *hw_addr, u32 rates,
+ struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
struct sta_info *sta;
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
+
if (local->num_sta >= MESH_MAX_PLINKS)
return NULL;
@@ -96,6 +100,9 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
set_sta_flag(sta, WLAN_STA_AUTHORIZED);
set_sta_flag(sta, WLAN_STA_WME);
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+ if (elems->ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband, elems->ht_cap_elem,
+ &sta->sta.ht_cap);
rate_control_rate_init(sta);
return sta;
@@ -276,7 +283,7 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates,
elems->ie_start, elems->total_len,
GFP_KERNEL);
else
- sta = mesh_plink_alloc(sdata, hw_addr, rates);
+ sta = mesh_plink_alloc(sdata, hw_addr, rates, elems);
if (!sta)
return;
if (sta_info_insert_rcu(sta)) {
@@ -567,7 +574,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
}
rates = ieee80211_sta_get_rates(local, &elems, rx_status->band);
- sta = mesh_plink_alloc(sdata, mgmt->sa, rates);
+ sta = mesh_plink_alloc(sdata, mgmt->sa, rates, &elems);
if (!sta) {
mpl_dbg("Mesh plink error: plink table full\n");
return;
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