From a9409093d23c822d13a73f8d2df7e6fa987ae485 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Mon, 16 Mar 2015 23:23:35 +0200 Subject: [PATCH] mac80211: notify the driver about authentication status This can allow the driver to take action based on the success / failure of the authentication. Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- include/net/mac80211.h | 36 ++++++++++++++++++++++++++++++++++++ net/mac80211/mlme.c | 15 +++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 7a966f3ed67a..6cddf7725bf2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -303,9 +303,11 @@ enum ieee80211_bss_change { /** * enum ieee80211_event_type - event to be notified to the low level driver * @RSSI_EVENT: AP's rssi crossed the a threshold set by the driver. + * @MLME_EVENT: event related to MLME */ enum ieee80211_event_type { RSSI_EVENT, + MLME_EVENT, }; /** @@ -326,15 +328,49 @@ struct ieee80211_rssi_event { enum ieee80211_rssi_event_data data; }; +/** + * enum ieee80211_mlme_event_data - relevant when event type is %MLME_EVENT + * @AUTH_EVENT: the MLME operation is authentication + */ +enum ieee80211_mlme_event_data { + AUTH_EVENT, +}; + +/** + * enum ieee80211_mlme_event_status - relevant when event type is %MLME_EVENT + * @MLME_SUCCESS: the MLME operation completed successfully. + * @MLME_DENIED: the MLME operation was denied by the peer. + * @MLME_TIMEOUT: the MLME operation timed out. + */ +enum ieee80211_mlme_event_status { + MLME_SUCCESS, + MLME_DENIED, + MLME_TIMEOUT, +}; + +/** + * enum ieee80211_mlme_event - data attached to an %MLME_EVENT + * @data: See &enum ieee80211_mlme_event_data + * @status: See &enum ieee80211_mlme_event_status + * @reason: the reason code if applicable + */ +struct ieee80211_mlme_event { + enum ieee80211_mlme_event_data data; + enum ieee80211_mlme_event_status status; + u16 reason; +}; + /** * struct ieee80211_event - event to be sent to the driver * @type The event itself. See &enum ieee80211_event_type. * @rssi: relevant if &type is %RSSI_EVENT + * @mlme: relevant if &type is %AUTH_EVENT */ struct ieee80211_event { enum ieee80211_event_type type; union { struct ieee80211_rssi_event rssi; + struct ieee80211_mlme_event mlme; } u; }; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a8c8fe4c9f49..7865998d69dd 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2495,6 +2495,10 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, u8 bssid[ETH_ALEN]; u16 auth_alg, auth_transaction, status_code; struct sta_info *sta; + struct ieee80211_event event = { + .type = MLME_EVENT, + .u.mlme.data = AUTH_EVENT, + }; sdata_assert_lock(sdata); @@ -2527,6 +2531,9 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, mgmt->sa, status_code); ieee80211_destroy_auth_data(sdata, false); cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len); + event.u.mlme.status = MLME_DENIED; + event.u.mlme.reason = status_code; + drv_event_callback(sdata->local, sdata, &event); return; } @@ -2549,6 +2556,8 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, return; } + event.u.mlme.status = MLME_SUCCESS; + drv_event_callback(sdata->local, sdata, &event); sdata_info(sdata, "authenticated\n"); ifmgd->auth_data->done = true; ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC; @@ -3805,12 +3814,18 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) ieee80211_destroy_auth_data(sdata, false); } else if (ieee80211_probe_auth(sdata)) { u8 bssid[ETH_ALEN]; + struct ieee80211_event event = { + .type = MLME_EVENT, + .u.mlme.data = AUTH_EVENT, + .u.mlme.status = MLME_TIMEOUT, + }; memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN); ieee80211_destroy_auth_data(sdata, false); cfg80211_auth_timeout(sdata->dev, bssid); + drv_event_callback(sdata->local, sdata, &event); } } else if (ifmgd->auth_data && ifmgd->auth_data->timeout_started) run_again(sdata, ifmgd->auth_data->timeout); -- 2.30.2