diff options
Diffstat (limited to 'package/kernel/mac80211/patches/341-mac80211-parse-VHT-info-in-injected-frames.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/341-mac80211-parse-VHT-info-in-injected-frames.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/341-mac80211-parse-VHT-info-in-injected-frames.patch b/package/kernel/mac80211/patches/341-mac80211-parse-VHT-info-in-injected-frames.patch new file mode 100644 index 0000000..ac1f251 --- /dev/null +++ b/package/kernel/mac80211/patches/341-mac80211-parse-VHT-info-in-injected-frames.patch @@ -0,0 +1,65 @@ +From: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> +Date: Tue, 23 Feb 2016 15:43:35 +0100 +Subject: [PATCH] mac80211: parse VHT info in injected frames + +Add VHT radiotap parsing support to ieee80211_parse_tx_radiotap(). +That capability has been tested using a d-link dir-860l rev b1 running +OpenWrt trunk and mt76 driver + +Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> +--- + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1690,6 +1690,8 @@ static bool ieee80211_parse_tx_radiotap( + u8 rate_retries = 0; + u16 rate_flags = 0; + u8 mcs_known, mcs_flags, mcs_bw; ++ u16 vht_known; ++ u8 vht_mcs = 0, vht_nss = 0; + int i; + + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | +@@ -1771,6 +1773,32 @@ static bool ieee80211_parse_tx_radiotap( + rate_flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + break; + ++ case IEEE80211_RADIOTAP_VHT: ++ vht_known = get_unaligned_le16(iterator.this_arg); ++ rate_found = true; ++ ++ rate_flags = IEEE80211_TX_RC_VHT_MCS; ++ if ((vht_known & IEEE80211_RADIOTAP_VHT_KNOWN_GI) && ++ (iterator.this_arg[2] & ++ IEEE80211_RADIOTAP_VHT_FLAG_SGI)) ++ rate_flags |= IEEE80211_TX_RC_SHORT_GI; ++ if (vht_known & ++ IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH) { ++ if (iterator.this_arg[3] == 1) ++ rate_flags |= ++ IEEE80211_TX_RC_40_MHZ_WIDTH; ++ else if (iterator.this_arg[3] == 4) ++ rate_flags |= ++ IEEE80211_TX_RC_80_MHZ_WIDTH; ++ else if (iterator.this_arg[3] == 11) ++ rate_flags |= ++ IEEE80211_TX_RC_160_MHZ_WIDTH; ++ } ++ ++ vht_mcs = iterator.this_arg[4] >> 4; ++ vht_nss = iterator.this_arg[4] & 0xF; ++ break; ++ + /* + * Please update the file + * Documentation/networking/mac80211-injection.txt +@@ -1796,6 +1824,9 @@ static bool ieee80211_parse_tx_radiotap( + + if (rate_flags & IEEE80211_TX_RC_MCS) { + info->control.rates[0].idx = rate; ++ } else if (rate_flags & IEEE80211_TX_RC_VHT_MCS) { ++ ieee80211_rate_set_vht(info->control.rates, vht_mcs, ++ vht_nss); + } else { + for (i = 0; i < sband->n_bitrates; i++) { + if (rate * 5 != sband->bitrates[i].bitrate) |