diff options
Diffstat (limited to 'net/mac80211')
-rw-r--r-- | net/mac80211/ibss.c | 50 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 3 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 13 | ||||
-rw-r--r-- | net/mac80211/scan.c | 9 |
4 files changed, 27 insertions, 48 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 854de97..2722749 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -425,11 +425,9 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata, } static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - size_t len, + struct ieee80211_mgmt *mgmt, size_t len, struct ieee80211_rx_status *rx_status, - struct ieee802_11_elems *elems, - bool beacon) + struct ieee802_11_elems *elems) { struct ieee80211_local *local = sdata->local; int freq; @@ -530,7 +528,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, } bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems, - channel, beacon); + channel); if (!bss) return; @@ -877,14 +875,21 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, ieee80211_tx_skb(sdata, skb); } -static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) +static +void ieee80211_rx_mgmt_probe_beacon(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len, + struct ieee80211_rx_status *rx_status) { size_t baselen; struct ieee802_11_elems elems; + BUILD_BUG_ON(offsetof(typeof(mgmt->u.probe_resp), variable) != + offsetof(typeof(mgmt->u.beacon), variable)); + + /* + * either beacon or probe_resp but the variable field is at the + * same offset + */ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; if (baselen > len) return; @@ -892,25 +897,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen, &elems); - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false); -} - -static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - size_t baselen; - struct ieee802_11_elems elems; - - /* Process beacon from the current BSS */ - baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; - if (baselen > len) - return; - - ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); - - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, true); + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); } void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, @@ -934,12 +921,9 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, ieee80211_rx_mgmt_probe_req(sdata, skb); break; case IEEE80211_STYPE_PROBE_RESP: - ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len, - rx_status); - break; case IEEE80211_STYPE_BEACON: - ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len, - rx_status); + ieee80211_rx_mgmt_probe_beacon(sdata, mgmt, skb->len, + rx_status); break; case IEEE80211_STYPE_AUTH: ieee80211_rx_mgmt_auth_ibss(sdata, mgmt, skb->len); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8563b9a..fa6d43e 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1346,8 +1346,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local, struct ieee80211_mgmt *mgmt, size_t len, struct ieee802_11_elems *elems, - struct ieee80211_channel *channel, - bool beacon); + struct ieee80211_channel *channel); void ieee80211_rx_bss_put(struct ieee80211_local *local, struct ieee80211_bss *bss); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 3cf85d8..7d253a0 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2369,8 +2369,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len, struct ieee80211_rx_status *rx_status, - struct ieee802_11_elems *elems, - bool beacon) + struct ieee802_11_elems *elems) { struct ieee80211_local *local = sdata->local; int freq; @@ -2404,7 +2403,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, return; bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems, - channel, beacon); + channel); if (bss) ieee80211_rx_bss_put(local, bss); @@ -2447,7 +2446,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen, &elems); - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false); + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); if (ifmgd->associated && ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) @@ -2528,8 +2527,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, - false); + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); ifmgd->assoc_data->have_beacon = true; ifmgd->assoc_data->sent_assoc = false; /* continue assoc process */ @@ -2682,8 +2680,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, ifmgd->beacon_crc = ncrc; ifmgd->beacon_crc_valid = true; - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, - true); + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); if (ieee80211_sta_wmm_params(local, sdata, elems.wmm_param, elems.wmm_param_len)) diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index d59fc68..06cbe26 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -65,12 +65,11 @@ static bool is_uapsd_supported(struct ieee802_11_elems *elems) struct ieee80211_bss * ieee80211_bss_info_update(struct ieee80211_local *local, struct ieee80211_rx_status *rx_status, - struct ieee80211_mgmt *mgmt, - size_t len, + struct ieee80211_mgmt *mgmt, size_t len, struct ieee802_11_elems *elems, - struct ieee80211_channel *channel, - bool beacon) + struct ieee80211_channel *channel) { + bool beacon = ieee80211_is_beacon(mgmt->frame_control); struct cfg80211_bss *cbss; struct ieee80211_bss *bss; int clen, srlen; @@ -203,7 +202,7 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb) bss = ieee80211_bss_info_update(local, rx_status, mgmt, skb->len, &elems, - channel, beacon); + channel); if (bss) ieee80211_rx_bss_put(local, bss); } |