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{nl,mac}80211: report gate connectivity in station info

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Capture the current state of gate connectivity from the mesh
formation field in mesh config whenever we receive a beacon,
and report that via GET_STATION.  This allows applications
doing mesh peering in userspace to make peering decisions
based on peers' current upstream connectivity.

Signed-off-by: Bob Copeland <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Bob Copeland 2018-10-25 15:48:53 -04:00 • committed by Johannes Berg
commit dbdaee7aa6
7 changed files with 17 additions and 1 deletions
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3
net/mac80211/mesh_plink.c
View file

@ -590,6 +590,9 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
if (!sta)
goto out;
sta->mesh->connected_to_gate = elems->mesh_config->meshconf_form &
IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE;
if (mesh_peer_accepts_plinks(elems) &&
sta->mesh->plink_state == NL80211_PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&

4
net/mac80211/sta_info.c
View file

@ -2264,7 +2264,8 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
BIT_ULL(NL80211_STA_INFO_PLINK_STATE) |
BIT_ULL(NL80211_STA_INFO_LOCAL_PM) |
BIT_ULL(NL80211_STA_INFO_PEER_PM) |
BIT_ULL(NL80211_STA_INFO_NONPEER_PM);
BIT_ULL(NL80211_STA_INFO_NONPEER_PM) |
BIT_ULL(NL80211_STA_INFO_CONNECTED_TO_GATE);
sinfo->llid = sta->mesh->llid;
sinfo->plid = sta->mesh->plid;
@ -2276,6 +2277,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
sinfo->local_pm = sta->mesh->local_pm;
sinfo->peer_pm = sta->mesh->peer_pm;
sinfo->nonpeer_pm = sta->mesh->nonpeer_pm;
sinfo->connected_to_gate = sta->mesh->connected_to_gate;
#endif
}

2
net/mac80211/sta_info.h
View file

@ -364,6 +364,7 @@ DECLARE_EWMA(mesh_fail_avg, 20, 8)
* @nonpeer_pm: STA power save mode towards non-peer neighbors
* @processed_beacon: set to true after peer rates and capabilities are
* processed
* @connected_to_gate: true if mesh STA has a path to a mesh gate
* @fail_avg: moving percentage of failed MSDUs
*/
struct mesh_sta {
@ -381,6 +382,7 @@ struct mesh_sta {
u8 plink_retries;
bool processed_beacon;
bool connected_to_gate;
enum nl80211_plink_state plink_state;
u32 plink_timeout;