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mac80211: 802.11p OCB mode support

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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>
This commit is contained in:
Rostislav Lisovy
2014-11-03 10:33:19 +01:00
committed by Johannes Berg
parent 6e0bd6c35b
commit 239281f803
14 changed files with 417 additions and 9 deletions
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29
net/mac80211/ieee80211_i.h
View File

@@ -576,6 +576,25 @@ struct ieee80211_if_ibss {
} state;
};
/**
* struct ieee80211_if_ocb - OCB mode state
*
* @housekeeping_timer: timer for periodic invocation of a housekeeping task
* @wrkq_flags: OCB deferred task action
* @incomplete_lock: delayed STA insertion lock
* @incomplete_stations: list of STAs waiting for delayed insertion
* @joined: indication if the interface is connected to an OCB network
*/
struct ieee80211_if_ocb {
struct timer_list housekeeping_timer;
unsigned long wrkq_flags;
spinlock_t incomplete_lock;
struct list_head incomplete_stations;
bool joined;
};
/**
* struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface
*
@@ -869,6 +888,7 @@ struct ieee80211_sub_if_data {
struct ieee80211_if_managed mgd;
struct ieee80211_if_ibss ibss;
struct ieee80211_if_mesh mesh;
struct ieee80211_if_ocb ocb;
u32 mntr_flags;
} u;
@@ -1505,6 +1525,15 @@ int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata);
void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
/* OCB code */
void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata);
void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
const u8 *bssid, const u8 *addr, u32 supp_rates);
void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
struct ocb_setup *setup);
int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata);
/* mesh code */
void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,