diff options
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 825f33cf7bbc..db343fa8033c 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -49,7 +49,7 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local, /* driver bug */ WARN_ON(1); dev_kfree_skb(skb); - skb = NULL; + return NULL; } } @@ -111,6 +111,11 @@ ieee80211_rx_radiotap_space(struct ieee80211_local *local, len += 8; } + if (status->flag & RX_FLAG_VHT) { + len = ALIGN(len, 2); + len += 12; + } + if (status->vendor_radiotap_len) { if (WARN_ON_ONCE(status->vendor_radiotap_align == 0)) status->vendor_radiotap_align = 1; @@ -297,6 +302,41 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, *pos++ = 0; } + if (status->flag & RX_FLAG_VHT) { + u16 known = local->hw.radiotap_vht_details; + + rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT); + /* known field - how to handle 80+80? */ + if (status->flag & RX_FLAG_80P80MHZ) + known &= ~IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; + put_unaligned_le16(known, pos); + pos += 2; + /* flags */ + if (status->flag & RX_FLAG_SHORT_GI) + *pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI; + pos++; + /* bandwidth */ + if (status->flag & RX_FLAG_80MHZ) + *pos++ = 4; + else if (status->flag & RX_FLAG_80P80MHZ) + *pos++ = 0; /* marked not known above */ + else if (status->flag & RX_FLAG_160MHZ) + *pos++ = 11; + else if (status->flag & RX_FLAG_40MHZ) + *pos++ = 1; + else /* 20 MHz */ + *pos++ = 0; + /* MCS/NSS */ + *pos = (status->rate_idx << 4) | status->vht_nss; + pos += 4; + /* coding field */ + pos++; + /* group ID */ + pos++; + /* partial_aid */ + pos += 2; + } + if (status->vendor_radiotap_len) { /* ensure 2 byte alignment for the vendor field as required */ if ((pos - (u8 *)rthdr) & 1) |