diff options
Diffstat (limited to 'net/mac80211')
-rw-r--r-- | net/mac80211/agg-rx.c | 3 | ||||
-rw-r--r-- | net/mac80211/agg-tx.c | 10 | ||||
-rw-r--r-- | net/mac80211/cfg.c | 2 | ||||
-rw-r--r-- | net/mac80211/ht.c | 3 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 8 | ||||
-rw-r--r-- | net/mac80211/iface.c | 16 | ||||
-rw-r--r-- | net/mac80211/key.c | 9 | ||||
-rw-r--r-- | net/mac80211/mesh.c | 70 | ||||
-rw-r--r-- | net/mac80211/mesh.h | 4 | ||||
-rw-r--r-- | net/mac80211/mesh_hwmp.c | 36 | ||||
-rw-r--r-- | net/mac80211/mesh_plink.c | 50 | ||||
-rw-r--r-- | net/mac80211/rx.c | 11 | ||||
-rw-r--r-- | net/mac80211/tx.c | 23 | ||||
-rw-r--r-- | net/mac80211/util.c | 116 | ||||
-rw-r--r-- | net/mac80211/work.c | 29 | ||||
-rw-r--r-- | net/mac80211/wpa.c | 8 |
16 files changed, 279 insertions, 119 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 97f33588b65f..f9ec0d97e349 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -176,7 +176,8 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 2ac033989e01..fefc7e506754 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -77,7 +77,8 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); @@ -371,13 +372,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, pubsta->addr, tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ - /* - * The aggregation code is not prepared to handle - * anything but STA/AP due to the BSSID handling. - * IBSS could work in the code but isn't supported - * by drivers or the standard. - */ if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && sdata->vif.type != NL80211_IFTYPE_AP) return -EINVAL; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index d06c65fa5526..65b72ae2b4e0 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1394,7 +1394,7 @@ static int ieee80211_set_channel(struct wiphy *wiphy, (old_oper_type != local->_oper_channel_type)) ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); - if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && + if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR && old_vif_oper_type != sdata->vif.bss_conf.channel_type) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index f80a35c0d000..988c7ec0898c 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -195,7 +195,8 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index ea10a51babda..e2447096c94a 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1334,6 +1334,12 @@ void ieee80211_recalc_smps(struct ieee80211_local *local); size_t ieee80211_ie_split(const u8 *ies, size_t ielen, const u8 *ids, int n_ids, size_t offset); size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); +u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, + u16 cap); +u8 *ieee80211_ie_build_ht_info(u8 *pos, + struct ieee80211_sta_ht_cap *ht_cap, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type); /* internal work items */ void ieee80211_work_init(struct ieee80211_local *local); @@ -1362,6 +1368,8 @@ ieee80211_get_channel_mode(struct ieee80211_local *local, bool ieee80211_set_channel_type(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, enum nl80211_channel_type chantype); +enum nl80211_channel_type +ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); #ifdef CONFIG_MAC80211_NOINLINE #define debug_noinline noinline diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 30d73552e9ab..33a974663f79 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -286,6 +286,13 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) netif_carrier_off(dev); else netif_carrier_on(dev); + + /* + * set default queue parameters so drivers don't + * need to initialise the hardware if the hardware + * doesn't start up with sane defaults + */ + ieee80211_set_wmm_default(sdata); } set_bit(SDATA_STATE_RUNNING, &sdata->state); @@ -329,15 +336,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) if (coming_up) local->open_count++; - if (hw_reconf_flags) { + if (hw_reconf_flags) ieee80211_hw_config(local, hw_reconf_flags); - /* - * set default queue parameters so drivers don't - * need to initialise the hardware if the hardware - * doesn't start up with sane defaults - */ - ieee80211_set_wmm_default(sdata); - } ieee80211_recalc_ps(local, -1); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 756b157c2edd..17a5220ed450 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -133,9 +133,13 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE; if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || - (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))) + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) || + (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) sdata->crypto_tx_tailroom_needed_cnt--; + WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)); + return 0; } @@ -178,7 +182,8 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) sdata = key->sdata; if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || - (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))) + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) || + (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) increment_tailroom_need_count(sdata); if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index a7078fdba8ca..b3a125f60347 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -76,6 +76,7 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data) bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + struct ieee80211_local *local = sdata->local; /* * As support for each feature is added, check for matching @@ -87,15 +88,23 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat * - MDA enabled * - Power management control on fc */ - if (ifmsh->mesh_id_len == ie->mesh_id_len && - memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 && - (ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) && - (ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) && - (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) && - (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) && - (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)) - return true; - + if (!(ifmsh->mesh_id_len == ie->mesh_id_len && + memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 && + (ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) && + (ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) && + (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) && + (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) && + (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth))) + goto mismatch; + + /* disallow peering with mismatched channel types for now */ + if (ie->ht_info_elem && + (local->_oper_channel_type != + ieee80211_ht_info_to_channel_type(ie->ht_info_elem))) + goto mismatch; + + return true; +mismatch: return false; } @@ -341,6 +350,49 @@ int mesh_add_ds_params_ie(struct sk_buff *skb, return 0; } +int mesh_add_ht_cap_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband; + u8 *pos; + + sband = local->hw.wiphy->bands[local->oper_channel->band]; + if (!sband->ht_cap.ht_supported || + local->_oper_channel_type == NL80211_CHAN_NO_HT) + return 0; + + if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap)) + return -ENOMEM; + + pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_cap)); + ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); + + return 0; +} + +int mesh_add_ht_info_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_channel *channel = local->oper_channel; + enum nl80211_channel_type channel_type = local->_oper_channel_type; + struct ieee80211_supported_band *sband = + local->hw.wiphy->bands[channel->band]; + struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; + u8 *pos; + + if (!ht_cap->ht_supported || channel_type == NL80211_CHAN_NO_HT) + return 0; + + if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_info)) + return -ENOMEM; + + pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_info)); + ieee80211_ie_build_ht_info(pos, ht_cap, channel, channel_type); + + return 0; +} static void ieee80211_mesh_path_timer(unsigned long data) { struct ieee80211_sub_if_data *sdata = diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 8c00e2d1d636..0f2c4e69e217 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -212,6 +212,10 @@ int mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); int mesh_add_ds_params_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); +int mesh_add_ht_cap_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); +int mesh_add_ht_info_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); void mesh_rmc_free(struct ieee80211_sub_if_data *sdata); int mesh_rmc_init(struct ieee80211_sub_if_data *sdata); void ieee80211s_init(void); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 174040a42887..9a1f8bbc49b8 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -113,20 +113,20 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct sk_buff *skb; struct ieee80211_mgmt *mgmt; - u8 *pos; - int ie_len; + u8 *pos, ie_len; + int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) + + sizeof(mgmt->u.action.u.mesh_action); + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + hdr_len + + 2 + 37); /* max HWMP IE */ if (!skb) return -1; skb_reserve(skb, local->hw.extra_tx_headroom); - /* 25 is the size of the common mgmt part (24) plus the size of the - * common action part (1) - */ - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action)); - memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); @@ -240,20 +240,20 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct sk_buff *skb; struct ieee80211_mgmt *mgmt; - u8 *pos; - int ie_len; + u8 *pos, ie_len; + int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) + + sizeof(mgmt->u.action.u.mesh_action); + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + hdr_len + + 2 + 15 /* PERR IE */); if (!skb) return -1; skb_reserve(skb, local->tx_headroom + local->hw.extra_tx_headroom); - /* 25 is the size of the common mgmt part (24) plus the size of the - * common action part (1) - */ - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action)); - memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 7e57f5d07f66..0140e88a8220 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -80,11 +80,15 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta) * on it in the lifecycle management section! */ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, - u8 *hw_addr, u32 rates) + u8 *hw_addr, u32 rates, + struct ieee802_11_elems *elems) { struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband; struct sta_info *sta; + sband = local->hw.wiphy->bands[local->oper_channel->band]; + if (local->num_sta >= MESH_MAX_PLINKS) return NULL; @@ -96,6 +100,9 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, set_sta_flag(sta, WLAN_STA_AUTHORIZED); set_sta_flag(sta, WLAN_STA_WME); sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + if (elems->ht_cap_elem) + ieee80211_ht_cap_ie_to_sta_ht_cap(sband, elems->ht_cap_elem, + &sta->sta.ht_cap); rate_control_rate_init(sta); return sta; @@ -153,23 +160,31 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, enum ieee80211_self_protected_actioncode action, u8 *da, __le16 llid, __le16 plid, __le16 reason) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 + - sdata->u.mesh.ie_len); + struct sk_buff *skb; struct ieee80211_mgmt *mgmt; bool include_plid = false; - int ie_len = 4; u16 peering_proto = 0; - u8 *pos; - + u8 *pos, ie_len = 4; + int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) + + sizeof(mgmt->u.action.u.self_prot); + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + hdr_len + + 2 + /* capability info */ + 2 + /* AID */ + 2 + 8 + /* supported rates */ + 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sdata->u.mesh.mesh_id_len + + 2 + sizeof(struct ieee80211_meshconf_ie) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_info) + + 2 + 8 + /* peering IE */ + sdata->u.mesh.ie_len); if (!skb) return -1; skb_reserve(skb, local->hw.extra_tx_headroom); - /* 25 is the size of the common mgmt part (24) plus the size of the - * common action part (1) - */ - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 25 + sizeof(mgmt->u.action.u.self_prot)); - memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.self_prot)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); memcpy(mgmt->da, da, ETH_ALEN); @@ -235,6 +250,13 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, memcpy(pos, &reason, 2); pos += 2; } + + if (action != WLAN_SP_MESH_PEERING_CLOSE) { + if (mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_info_ie(skb, sdata)) + return -1; + } + if (mesh_add_vendor_ies(skb, sdata)) return -1; @@ -261,7 +283,7 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, elems->ie_start, elems->total_len, GFP_KERNEL); else - sta = mesh_plink_alloc(sdata, hw_addr, rates); + sta = mesh_plink_alloc(sdata, hw_addr, rates, elems); if (!sta) return; if (sta_info_insert_rcu(sta)) { @@ -552,7 +574,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } rates = ieee80211_sta_get_rates(local, &elems, rx_status->band); - sta = mesh_plink_alloc(sdata, mgmt->sa, rates); + sta = mesh_plink_alloc(sdata, mgmt->sa, rates, &elems); if (!sta) { mpl_dbg("Mesh plink error: plink table full\n"); return; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index b867bd55de7a..3173dcfc2136 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2203,13 +2203,8 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) switch (mgmt->u.action.category) { case WLAN_CATEGORY_BACK: - /* - * The aggregation code is not prepared to handle - * anything but STA/AP due to the BSSID handling; - * IBSS could work in the code but isn't supported - * by drivers or the standard. - */ if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && sdata->vif.type != NL80211_IFTYPE_AP) break; @@ -2489,6 +2484,10 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx, goto out_free_skb; rx->flags |= IEEE80211_RX_CMNTR; + /* If there are no cooked monitor interfaces, just free the SKB */ + if (!local->cooked_mntrs) + goto out_free_skb; + if (skb_headroom(skb) < sizeof(*rthdr) && pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC)) goto out_free_skb; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 48bbb96d8edb..a543d26058db 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2278,22 +2278,31 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, } else if (ieee80211_vif_is_mesh(&sdata->vif)) { struct ieee80211_mgmt *mgmt; u8 *pos; + int hdr_len = offsetof(struct ieee80211_mgmt, u.beacon) + + sizeof(mgmt->u.beacon); #ifdef CONFIG_MAC80211_MESH if (!sdata->u.mesh.mesh_id_len) goto out; #endif - /* headroom, head length, tail length and maximum TIM length */ - skb = dev_alloc_skb(local->tx_headroom + 400 + - sdata->u.mesh.ie_len); + skb = dev_alloc_skb(local->tx_headroom + + hdr_len + + 2 + /* NULL SSID */ + 2 + 8 + /* supported rates */ + 2 + 3 + /* DS params */ + 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_info) + + 2 + sdata->u.mesh.mesh_id_len + + 2 + sizeof(struct ieee80211_meshconf_ie) + + sdata->u.mesh.ie_len); if (!skb) goto out; skb_reserve(skb, local->hw.extra_tx_headroom); - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 24 + sizeof(mgmt->u.beacon)); - memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); memset(mgmt->da, 0xff, ETH_ALEN); @@ -2312,6 +2321,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, mesh_add_ds_params_ie(skb, sdata) || ieee80211_add_ext_srates_ie(&sdata->vif, skb) || mesh_add_rsn_ie(skb, sdata) || + mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_info_ie(skb, sdata) || mesh_add_meshid_ie(skb, sdata) || mesh_add_meshconf_ie(skb, sdata) || mesh_add_vendor_ies(skb, sdata)) { diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7439d26bf5f9..72b3a2ec0d24 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -811,23 +811,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, offset = noffset; } - if (sband->ht_cap.ht_supported) { - u16 cap = sband->ht_cap.cap; - __le16 tmp; - - *pos++ = WLAN_EID_HT_CAPABILITY; - *pos++ = sizeof(struct ieee80211_ht_cap); - memset(pos, 0, sizeof(struct ieee80211_ht_cap)); - tmp = cpu_to_le16(cap); - memcpy(pos, &tmp, sizeof(u16)); - pos += sizeof(u16); - *pos++ = sband->ht_cap.ampdu_factor | - (sband->ht_cap.ampdu_density << - IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); - memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); - pos += sizeof(sband->ht_cap.mcs); - pos += 2 + 4 + 1; /* ext info, BF cap, antsel */ - } + if (sband->ht_cap.ht_supported) + pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); /* * If adding more here, adjust code in main.c @@ -1362,6 +1347,103 @@ void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif) } EXPORT_SYMBOL(ieee80211_disable_rssi_reports); +u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, + u16 cap) +{ + __le16 tmp; + + *pos++ = WLAN_EID_HT_CAPABILITY; + *pos++ = sizeof(struct ieee80211_ht_cap); + memset(pos, 0, sizeof(struct ieee80211_ht_cap)); + + /* capability flags */ + tmp = cpu_to_le16(cap); + memcpy(pos, &tmp, sizeof(u16)); + pos += sizeof(u16); + + /* AMPDU parameters */ + *pos++ = sband->ht_cap.ampdu_factor | + (sband->ht_cap.ampdu_density << + IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); + + /* MCS set */ + memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); + pos += sizeof(sband->ht_cap.mcs); + + /* extended capabilities */ + pos += sizeof(__le16); + + /* BF capabilities */ + pos += sizeof(__le32); + + /* antenna selection */ + pos += sizeof(u8); + + return pos; +} + +u8 *ieee80211_ie_build_ht_info(u8 *pos, + struct ieee80211_sta_ht_cap *ht_cap, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type) +{ + struct ieee80211_ht_info *ht_info; + /* Build HT Information */ + *pos++ = WLAN_EID_HT_INFORMATION; + *pos++ = sizeof(struct ieee80211_ht_info); + ht_info = (struct ieee80211_ht_info *)pos; + ht_info->control_chan = + ieee80211_frequency_to_channel(channel->center_freq); + switch (channel_type) { + case NL80211_CHAN_HT40MINUS: + ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW; + break; + case NL80211_CHAN_HT40PLUS: + ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + break; + case NL80211_CHAN_HT20: + default: + ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE; + break; + } + if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; + ht_info->operation_mode = 0x0000; + ht_info->stbc_param = 0x0000; + + /* It seems that Basic MCS set and Supported MCS set + are identical for the first 10 bytes */ + memset(&ht_info->basic_set, 0, 16); + memcpy(&ht_info->basic_set, &ht_cap->mcs, 10); + + return pos + sizeof(struct ieee80211_ht_info); +} + +enum nl80211_channel_type +ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info) +{ + enum nl80211_channel_type channel_type; + + if (!ht_info) + return NL80211_CHAN_NO_HT; + + switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { + case IEEE80211_HT_PARAM_CHA_SEC_NONE: + channel_type = NL80211_CHAN_HT20; + break; + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + channel_type = NL80211_CHAN_HT40PLUS; + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + channel_type = NL80211_CHAN_HT40MINUS; + break; + default: + channel_type = NL80211_CHAN_NO_HT; + } + + return channel_type; +} + int ieee80211_add_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); diff --git a/net/mac80211/work.c b/net/mac80211/work.c index 6c53b6d1002b..30da4e3f19f7 100644 --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -103,7 +103,6 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie, u8 *pos; u32 flags = channel->flags; u16 cap = sband->ht_cap.cap; - __le16 tmp; if (!sband->ht_cap.ht_supported) return; @@ -154,34 +153,8 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie, } /* reserve and fill IE */ - pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2); - *pos++ = WLAN_EID_HT_CAPABILITY; - *pos++ = sizeof(struct ieee80211_ht_cap); - memset(pos, 0, sizeof(struct ieee80211_ht_cap)); - - /* capability flags */ - tmp = cpu_to_le16(cap); - memcpy(pos, &tmp, sizeof(u16)); - pos += sizeof(u16); - - /* AMPDU parameters */ - *pos++ = sband->ht_cap.ampdu_factor | - (sband->ht_cap.ampdu_density << - IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); - - /* MCS set */ - memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); - pos += sizeof(sband->ht_cap.mcs); - - /* extended capabilities */ - pos += sizeof(__le16); - - /* BF capabilities */ - pos += sizeof(__le32); - - /* antenna selection */ - pos += sizeof(u8); + ieee80211_ie_build_ht_cap(pos, sband, cap); } static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index f614ce7bb6e3..13efab5bf12a 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -390,7 +390,8 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) u8 scratch[6 * AES_BLOCK_SIZE]; if (info->control.hw_key && - !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { + !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) && + !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)) { /* * hwaccel has no need for preallocated room for CCMP * header or MIC fields @@ -412,6 +413,11 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) pos = skb_push(skb, CCMP_HDR_LEN); memmove(pos, pos + CCMP_HDR_LEN, hdrlen); + + /* the HW only needs room for the IV, but not the actual IV */ + if (info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) + return 0; + hdr = (struct ieee80211_hdr *) pos; pos += hdrlen; |