diff options
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 60 |
1 files changed, 54 insertions, 6 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 0cb4edee6af..61c621e9273 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -60,7 +60,9 @@ static inline int should_drop_frame(struct sk_buff *skb, struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC)) + if (status->flag & (RX_FLAG_FAILED_FCS_CRC | + RX_FLAG_FAILED_PLCP_CRC | + RX_FLAG_AMPDU_IS_ZEROLEN)) return 1; if (unlikely(skb->len < 16 + present_fcs_len)) return 1; @@ -91,10 +93,17 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local, if (status->flag & RX_FLAG_HT) /* HT info */ len += 3; + if (status->flag & RX_FLAG_AMPDU_DETAILS) { + /* padding */ + while (len & 3) + len++; + len += 8; + } + return len; } -/** +/* * ieee80211_add_rx_radiotap_header - add radiotap header * * add a radiotap header containing all the fields which the hardware provided. @@ -215,6 +224,37 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, pos++; *pos++ = status->rate_idx; } + + if (status->flag & RX_FLAG_AMPDU_DETAILS) { + u16 flags = 0; + + /* ensure 4 byte alignment */ + while ((pos - (u8 *)rthdr) & 3) + pos++; + rthdr->it_present |= + cpu_to_le32(1 << IEEE80211_RADIOTAP_AMPDU_STATUS); + put_unaligned_le32(status->ampdu_reference, pos); + pos += 4; + if (status->flag & RX_FLAG_AMPDU_REPORT_ZEROLEN) + flags |= IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN; + if (status->flag & RX_FLAG_AMPDU_IS_ZEROLEN) + flags |= IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN; + if (status->flag & RX_FLAG_AMPDU_LAST_KNOWN) + flags |= IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN; + if (status->flag & RX_FLAG_AMPDU_IS_LAST) + flags |= IEEE80211_RADIOTAP_AMPDU_IS_LAST; + if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_ERROR) + flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR; + if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN) + flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN; + put_unaligned_le16(flags, pos); + pos += 2; + if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN) + *pos++ = status->ampdu_delimiter_crc; + else + *pos++ = 0; + *pos++ = 0; + } } /* @@ -2268,7 +2308,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) goto queue; case WLAN_CATEGORY_SPECTRUM_MGMT: - if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ) + if (status->band != IEEE80211_BAND_5GHZ) break; if (sdata->vif.type != NL80211_IFTYPE_STATION) @@ -2772,8 +2812,7 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx, if (!bssid) { if (!ether_addr_equal(sdata->vif.addr, hdr->addr1)) return 0; - } else if (!ieee80211_bssid_match(bssid, - sdata->vif.addr)) { + } else if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) { /* * Accept public action frames even when the * BSSID doesn't match, this is used for P2P @@ -2793,9 +2832,18 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx, if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2)) return 0; break; + case NL80211_IFTYPE_P2P_DEVICE: + if (!ieee80211_is_public_action(hdr, skb->len) && + !ieee80211_is_probe_req(hdr->frame_control) && + !ieee80211_is_probe_resp(hdr->frame_control) && + !ieee80211_is_beacon(hdr->frame_control)) + return 0; + if (!ether_addr_equal(sdata->vif.addr, hdr->addr1)) + status->rx_flags &= ~IEEE80211_RX_RA_MATCH; + break; default: /* should never get here */ - WARN_ON(1); + WARN_ON_ONCE(1); break; } |