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author | John W. Linville <linville@tuxdriver.com> | 2013-06-17 13:44:01 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2013-06-17 13:44:01 -0400 |
commit | 722a300bf84ebebe21da164e75024c0ce7ca1868 (patch) | |
tree | 8cb886d70ce00fe0741bb1a61ba6d86bc2136bb8 /net | |
parent | 8177a9d79c0e942dcac3312f15585d0344d505a5 (diff) | |
parent | fcb3701849957917a234a61b58ad70ed35c83eda (diff) | |
download | linux-3.10-722a300bf84ebebe21da164e75024c0ce7ca1868.tar.gz linux-3.10-722a300bf84ebebe21da164e75024c0ce7ca1868.tar.bz2 linux-3.10-722a300bf84ebebe21da164e75024c0ce7ca1868.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
Diffstat (limited to 'net')
-rw-r--r-- | net/bluetooth/hci_core.c | 15 | ||||
-rw-r--r-- | net/bluetooth/l2cap_core.c | 3 | ||||
-rw-r--r-- | net/mac80211/cfg.c | 6 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 5 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 87 | ||||
-rw-r--r-- | net/mac80211/rate.c | 2 | ||||
-rw-r--r-- | net/mac80211/util.c | 4 |
7 files changed, 105 insertions, 17 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index d817c932d63..ace5e55fe5a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -341,7 +341,6 @@ static void hci_init1_req(struct hci_request *req, unsigned long opt) static void bredr_setup(struct hci_request *req) { - struct hci_cp_delete_stored_link_key cp; __le16 param; __u8 flt_type; @@ -365,10 +364,6 @@ static void bredr_setup(struct hci_request *req) param = __constant_cpu_to_le16(0x7d00); hci_req_add(req, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); - bacpy(&cp.bdaddr, BDADDR_ANY); - cp.delete_all = 0x01; - hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); - /* Read page scan parameters */ if (req->hdev->hci_ver > BLUETOOTH_VER_1_1) { hci_req_add(req, HCI_OP_READ_PAGE_SCAN_ACTIVITY, 0, NULL); @@ -602,6 +597,16 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt) struct hci_dev *hdev = req->hdev; u8 p; + /* Only send HCI_Delete_Stored_Link_Key if it is supported */ + if (hdev->commands[6] & 0x80) { + struct hci_cp_delete_stored_link_key cp; + + bacpy(&cp.bdaddr, BDADDR_ANY); + cp.delete_all = 0x01; + hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY, + sizeof(cp), &cp); + } + if (hdev->commands[5] & 0x10) hci_setup_link_policy(req); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 24bee07ee4c..4be6a264b47 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -2852,6 +2852,9 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code, BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %u", conn, code, ident, dlen); + if (conn->mtu < L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE) + return NULL; + len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen; count = min_t(unsigned int, conn->mtu, len); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 1a89c80e640..4fdb306e42e 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1057,6 +1057,12 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); + if (sdata->wdev.cac_started) { + cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); + cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED, + GFP_KERNEL); + } + drv_stop_ap(sdata->local, sdata); /* free all potentially still buffered bcast frames */ diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 44be28cfc6c..9ca8e3278cc 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1497,10 +1497,11 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, ieee80211_tx_skb_tid(sdata, skb, 7); } -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action, +u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, u64 filter, u32 crc); -static inline void ieee802_11_parse_elems(u8 *start, size_t len, bool action, +static inline void ieee802_11_parse_elems(const u8 *start, size_t len, + bool action, struct ieee802_11_elems *elems) { ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a8c2130c8ba..741448b3082 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2522,8 +2522,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, u16 capab_info, aid; struct ieee802_11_elems elems; struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; + const struct cfg80211_bss_ies *bss_ies = NULL; + struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data; u32 changed = 0; int err; + bool ret; /* AssocResp and ReassocResp have identical structure */ @@ -2555,21 +2558,86 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ifmgd->aid = aid; /* + * Some APs are erroneously not including some information in their + * (re)association response frames. Try to recover by using the data + * from the beacon or probe response. This seems to afflict mobile + * 2G/3G/4G wifi routers, reported models include the "Onda PN51T", + * "Vodafone PocketWiFi 2", "ZTE MF60" and a similar T-Mobile device. + */ + if ((assoc_data->wmm && !elems.wmm_param) || + (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && + (!elems.ht_cap_elem || !elems.ht_operation)) || + (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && + (!elems.vht_cap_elem || !elems.vht_operation))) { + const struct cfg80211_bss_ies *ies; + struct ieee802_11_elems bss_elems; + + rcu_read_lock(); + ies = rcu_dereference(cbss->ies); + if (ies) + bss_ies = kmemdup(ies, sizeof(*ies) + ies->len, + GFP_ATOMIC); + rcu_read_unlock(); + if (!bss_ies) + return false; + + ieee802_11_parse_elems(bss_ies->data, bss_ies->len, + false, &bss_elems); + if (assoc_data->wmm && + !elems.wmm_param && bss_elems.wmm_param) { + elems.wmm_param = bss_elems.wmm_param; + sdata_info(sdata, + "AP bug: WMM param missing from AssocResp\n"); + } + + /* + * Also check if we requested HT/VHT, otherwise the AP doesn't + * have to include the IEs in the (re)association response. + */ + if (!elems.ht_cap_elem && bss_elems.ht_cap_elem && + !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) { + elems.ht_cap_elem = bss_elems.ht_cap_elem; + sdata_info(sdata, + "AP bug: HT capability missing from AssocResp\n"); + } + if (!elems.ht_operation && bss_elems.ht_operation && + !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) { + elems.ht_operation = bss_elems.ht_operation; + sdata_info(sdata, + "AP bug: HT operation missing from AssocResp\n"); + } + if (!elems.vht_cap_elem && bss_elems.vht_cap_elem && + !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) { + elems.vht_cap_elem = bss_elems.vht_cap_elem; + sdata_info(sdata, + "AP bug: VHT capa missing from AssocResp\n"); + } + if (!elems.vht_operation && bss_elems.vht_operation && + !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) { + elems.vht_operation = bss_elems.vht_operation; + sdata_info(sdata, + "AP bug: VHT operation missing from AssocResp\n"); + } + } + + /* * We previously checked these in the beacon/probe response, so * they should be present here. This is just a safety net. */ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && (!elems.wmm_param || !elems.ht_cap_elem || !elems.ht_operation)) { sdata_info(sdata, - "HT AP is missing WMM params or HT capability/operation in AssocResp\n"); - return false; + "HT AP is missing WMM params or HT capability/operation\n"); + ret = false; + goto out; } if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && (!elems.vht_cap_elem || !elems.vht_operation)) { sdata_info(sdata, - "VHT AP is missing VHT capability/operation in AssocResp\n"); - return false; + "VHT AP is missing VHT capability/operation\n"); + ret = false; + goto out; } mutex_lock(&sdata->local->sta_mtx); @@ -2580,7 +2648,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, sta = sta_info_get(sdata, cbss->bssid); if (WARN_ON(!sta)) { mutex_unlock(&sdata->local->sta_mtx); - return false; + ret = false; + goto out; } sband = local->hw.wiphy->bands[ieee80211_get_sdata_band(sdata)]; @@ -2633,7 +2702,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, sta->sta.addr); WARN_ON(__sta_info_destroy(sta)); mutex_unlock(&sdata->local->sta_mtx); - return false; + ret = false; + goto out; } mutex_unlock(&sdata->local->sta_mtx); @@ -2673,7 +2743,10 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ieee80211_sta_rx_notify(sdata, (struct ieee80211_hdr *)mgmt); ieee80211_sta_reset_beacon_monitor(sdata); - return true; + ret = true; + out: + kfree(bss_ies); + return ret; } static enum rx_mgmt_action __must_check diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index d3f414fe67e..a02bef35b13 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -615,7 +615,7 @@ static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata, if (rates[i].idx < 0) break; - rate_idx_match_mask(&rates[i], sband, mask, chan_width, + rate_idx_match_mask(&rates[i], sband, chan_width, mask, mcs_mask); } } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 27e07150eb4..72e6292955b 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -661,12 +661,12 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_queue_delayed_work); -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action, +u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, u64 filter, u32 crc) { size_t left = len; - u8 *pos = start; + const u8 *pos = start; bool calc_crc = filter != 0; DECLARE_BITMAP(seen_elems, 256); const u8 *ie; |