diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-01-29 07:56:17 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-02-04 21:58:09 +0100 |
| commit | faf046e7231bf008715bbffe5cca2ed3aa31be1b (patch) | |
| tree | d48e8c2c753cef78202dd41656fbc1e7b679d2da | |
| parent | 348baf0eac3391c62d441ec29b4c5da62ed91e74 (diff) | |
mac80211: batch CSA bss info notification
Instead of having
ieee80211_bss_info_change_notify() scattered all
over the place just call it once when finalizing
CSA.
As a side effect this patch adds missing error
checking for IBSS CSA beacon update.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
[fix err vs. changed variable usage in ieee80211_csa_finalize()]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/cfg.c | 13 | ||||
| -rw-r--r-- | net/mac80211/ibss.c | 7 | ||||
| -rw-r--r-- | net/mac80211/mesh.c | 5 |
3 files changed, 13 insertions, 12 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index cf27c623394..f215ad48985 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3014,29 +3014,28 @@ static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) ieee80211_hw_config(local, 0); } - ieee80211_bss_info_change_notify(sdata, changed); - sdata->vif.csa_active = false; switch (sdata->vif.type) { case NL80211_IFTYPE_AP: err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon); if (err < 0) return; - changed |= err; kfree(sdata->u.ap.next_beacon); sdata->u.ap.next_beacon = NULL; - - ieee80211_bss_info_change_notify(sdata, err); break; case NL80211_IFTYPE_ADHOC: - ieee80211_ibss_finish_csa(sdata); + err = ieee80211_ibss_finish_csa(sdata); + if (err < 0) + return; + changed |= err; break; #ifdef CONFIG_MAC80211_MESH case NL80211_IFTYPE_MESH_POINT: err = ieee80211_mesh_finish_csa(sdata); if (err < 0) return; + changed |= err; break; #endif default: @@ -3044,6 +3043,8 @@ static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) return; } + ieee80211_bss_info_change_notify(sdata, changed); + ieee80211_wake_queues_by_reason(&sdata->local->hw, IEEE80211_MAX_QUEUE_MAP, IEEE80211_QUEUE_STOP_REASON_CSA); diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index ed7eec3f6ee..82d3d14b03c 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -530,7 +530,7 @@ int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; struct cfg80211_bss *cbss; - int err; + int err, changed = 0; u16 capability; sdata_assert_lock(sdata); @@ -562,10 +562,9 @@ int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata) if (err < 0) return err; - if (err) - ieee80211_bss_info_change_notify(sdata, err); + changed |= err; - return 0; + return changed; } void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 836ec014eb5..bd55115c892 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -1058,6 +1058,7 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata) struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_csa_settings *tmp_csa_settings; int ret = 0; + int changed = 0; /* Reset the TTL value and Initiator flag */ ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; @@ -1072,11 +1073,11 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata) if (ret) return -EINVAL; - ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON); + changed |= BSS_CHANGED_BEACON; mcsa_dbg(sdata, "complete switching to center freq %d MHz", sdata->vif.bss_conf.chandef.chan->center_freq); - return 0; + return changed; } int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, |