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authorRostislav Lisovy <lisovy@gmail.com>2014-11-03 10:33:19 +0100
committerJohannes Berg <johannes.berg@intel.com>2014-11-04 13:18:21 +0100
commit239281f803e2efdb77d906ef296086b6917e5d71 (patch)
tree11f753fd0c27d518d0f11e07bc359143a85b00bd /net/mac80211/util.c
parent6e0bd6c35b021dc73a81ebd1ef79761233c48b50 (diff)
downloadop-kernel-dev-239281f803e2efdb77d906ef296086b6917e5d71.zip
op-kernel-dev-239281f803e2efdb77d906ef296086b6917e5d71.tar.gz
mac80211: 802.11p OCB mode support
This patch adds 802.11p OCB (Outside the Context of a BSS) mode support. When communicating in OCB mode a mandatory wildcard BSSID (48 '1' bits) is used. The EDCA parameters handling function was changed to support 802.11p specific values. The insertion of a newly discovered STAs is done in the similar way as in the IBSS mode -- through the deferred insertion. The OCB mode uses a periodic 'housekeeping task' for expiration of disconnected STAs (in the similar manner as in the MESH mode). New Kconfig option for verbose OCB debugging outputs is added. Signed-off-by: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d7d69c8..91e16b4 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1101,6 +1101,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
struct ieee80211_chanctx_conf *chanctx_conf;
int ac;
bool use_11b, enable_qos;
+ bool is_ocb; /* Use another EDCA parameters if dot11OCBActivated=true */
int aCWmin, aCWmax;
if (!local->ops->conf_tx)
@@ -1125,6 +1126,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
*/
enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION);
+ is_ocb = (sdata->vif.type == NL80211_IFTYPE_OCB);
+
/* Set defaults according to 802.11-2007 Table 7-37 */
aCWmax = 1023;
if (use_11b)
@@ -1146,7 +1149,10 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
qparam.cw_max = aCWmax;
qparam.cw_min = aCWmin;
qparam.txop = 0;
- qparam.aifs = 7;
+ if (is_ocb)
+ qparam.aifs = 9;
+ else
+ qparam.aifs = 7;
break;
/* never happens but let's not leave undefined */
default:
@@ -1154,21 +1160,32 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
qparam.cw_max = aCWmax;
qparam.cw_min = aCWmin;
qparam.txop = 0;
- qparam.aifs = 3;
+ if (is_ocb)
+ qparam.aifs = 6;
+ else
+ qparam.aifs = 3;
break;
case IEEE80211_AC_VI:
qparam.cw_max = aCWmin;
qparam.cw_min = (aCWmin + 1) / 2 - 1;
- if (use_11b)
+ if (is_ocb)
+ qparam.txop = 0;
+ else if (use_11b)
qparam.txop = 6016/32;
else
qparam.txop = 3008/32;
- qparam.aifs = 2;
+
+ if (is_ocb)
+ qparam.aifs = 3;
+ else
+ qparam.aifs = 2;
break;
case IEEE80211_AC_VO:
qparam.cw_max = (aCWmin + 1) / 2 - 1;
qparam.cw_min = (aCWmin + 1) / 4 - 1;
- if (use_11b)
+ if (is_ocb)
+ qparam.txop = 0;
+ else if (use_11b)
qparam.txop = 3264/32;
else
qparam.txop = 1504/32;
@@ -1842,7 +1859,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
sdata_unlock(sdata);
break;
case NL80211_IFTYPE_OCB:
- /* to be implemented in the future */
+ changed |= BSS_CHANGED_OCB;
+ ieee80211_bss_info_change_notify(sdata, changed);
break;
case NL80211_IFTYPE_ADHOC:
changed |= BSS_CHANGED_IBSS;
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