diff options
Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r-- | net/mac80211/rx.c | 83 |
1 files changed, 59 insertions, 24 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index fe2c2a717793..db46601e50bf 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -476,7 +476,6 @@ static ieee80211_rx_result ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; - unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control); char *dev_addr = rx->sdata->vif.addr; if (ieee80211_is_data(hdr->frame_control)) { @@ -524,14 +523,6 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) } -#define msh_h_get(h, l) ((struct ieee80211s_hdr *) ((u8 *)h + l)) - - if (ieee80211_is_data(hdr->frame_control) && - is_multicast_ether_addr(hdr->addr1) && - mesh_rmc_check(hdr->addr3, msh_h_get(hdr, hdrlen), rx->sdata)) - return RX_DROP_MONITOR; -#undef msh_h_get - return RX_CONTINUE; } @@ -850,8 +841,21 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) ieee80211_is_pspoll(hdr->frame_control)) && rx->sdata->vif.type != NL80211_IFTYPE_ADHOC && rx->sdata->vif.type != NL80211_IFTYPE_WDS && - (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC)))) + (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC)))) { + if (rx->sta && rx->sta->dummy && + ieee80211_is_data_present(hdr->frame_control)) { + u16 ethertype; + u8 *payload; + + payload = rx->skb->data + + ieee80211_hdrlen(hdr->frame_control); + ethertype = (payload[6] << 8) | payload[7]; + if (cpu_to_be16(ethertype) == + rx->sdata->control_port_protocol) + return RX_CONTINUE; + } return RX_DROP_MONITOR; + } return RX_CONTINUE; } @@ -1827,6 +1831,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) hdrlen = ieee80211_hdrlen(hdr->frame_control); mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + /* frame is in RMC, don't forward */ + if (ieee80211_is_data(hdr->frame_control) && + is_multicast_ether_addr(hdr->addr1) && + mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) + return RX_DROP_MONITOR; + if (!ieee80211_is_data(hdr->frame_control)) return RX_CONTINUE; @@ -1834,6 +1844,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) /* illegal frame */ return RX_DROP_MONITOR; + if (ieee80211_queue_stopped(&local->hw, skb_get_queue_mapping(skb))) { + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, + dropped_frames_congestion); + return RX_DROP_MONITOR; + } + if (mesh_hdr->flags & MESH_FLAGS_AE) { struct mesh_path *mppath; char *proxied_addr; @@ -1889,13 +1905,13 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) memset(info, 0, sizeof(*info)); info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; info->control.vif = &rx->sdata->vif; - skb_set_queue_mapping(skb, - ieee80211_select_queue(rx->sdata, fwd_skb)); - ieee80211_set_qos_hdr(local, skb); - if (is_multicast_ether_addr(fwd_hdr->addr1)) + if (is_multicast_ether_addr(fwd_hdr->addr1)) { IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, fwded_mcast); - else { + skb_set_queue_mapping(fwd_skb, + ieee80211_select_queue(sdata, fwd_skb)); + ieee80211_set_qos_hdr(sdata, fwd_skb); + } else { int err; /* * Save TA to addr1 to send TA a path error if a @@ -2220,12 +2236,29 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) goto handled; } break; + case WLAN_CATEGORY_SELF_PROTECTED: + switch (mgmt->u.action.u.self_prot.action_code) { + case WLAN_SP_MESH_PEERING_OPEN: + case WLAN_SP_MESH_PEERING_CLOSE: + case WLAN_SP_MESH_PEERING_CONFIRM: + if (!ieee80211_vif_is_mesh(&sdata->vif)) + goto invalid; + if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) + /* userspace handles this frame */ + break; + goto queue; + case WLAN_SP_MGK_INFORM: + case WLAN_SP_MGK_ACK: + if (!ieee80211_vif_is_mesh(&sdata->vif)) + goto invalid; + break; + } + break; case WLAN_CATEGORY_MESH_ACTION: if (!ieee80211_vif_is_mesh(&sdata->vif)) break; - goto queue; - case WLAN_CATEGORY_MESH_PATH_SEL: - if (!mesh_path_sel_is_hwmp(sdata)) + if (mesh_action_is_path_sel(mgmt) && + (!mesh_path_sel_is_hwmp(sdata))) break; goto queue; } @@ -2539,12 +2572,12 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) CALL_RXH(ieee80211_rx_h_ps_poll) CALL_RXH(ieee80211_rx_h_michael_mic_verify) /* must be after MMIC verify so header is counted in MPDU mic */ - CALL_RXH(ieee80211_rx_h_remove_qos_control) - CALL_RXH(ieee80211_rx_h_amsdu) #ifdef CONFIG_MAC80211_MESH if (ieee80211_vif_is_mesh(&rx->sdata->vif)) CALL_RXH(ieee80211_rx_h_mesh_fwding); #endif + CALL_RXH(ieee80211_rx_h_remove_qos_control) + CALL_RXH(ieee80211_rx_h_amsdu) CALL_RXH(ieee80211_rx_h_data) CALL_RXH(ieee80211_rx_h_ctrl); CALL_RXH(ieee80211_rx_h_mgmt_check) @@ -2686,7 +2719,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx, } else if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) { if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && - !ieee80211_is_beacon(hdr->frame_control)) + !ieee80211_is_beacon(hdr->frame_control) && + !(ieee80211_is_action(hdr->frame_control) && + sdata->vif.p2p)) return 0; status->rx_flags &= ~IEEE80211_RX_RA_MATCH; } @@ -2791,7 +2826,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, if (ieee80211_is_data(fc)) { prev_sta = NULL; - for_each_sta_info(local, hdr->addr2, sta, tmp) { + for_each_sta_info_rx(local, hdr->addr2, sta, tmp) { if (!prev_sta) { prev_sta = sta; continue; @@ -2835,7 +2870,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, continue; } - rx.sta = sta_info_get_bss(prev, hdr->addr2); + rx.sta = sta_info_get_bss_rx(prev, hdr->addr2); rx.sdata = prev; ieee80211_prepare_and_rx_handle(&rx, skb, false); @@ -2843,7 +2878,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, } if (prev) { - rx.sta = sta_info_get_bss(prev, hdr->addr2); + rx.sta = sta_info_get_bss_rx(prev, hdr->addr2); rx.sdata = prev; if (ieee80211_prepare_and_rx_handle(&rx, skb, true)) |