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| author | Felix Fietkau <nbd@nbd.name> | 2020-09-17 12:09:23 +0200 |
|---|---|---|
| committer | Koen Vandeputte <koen.vandeputte@ncentric.com> | 2020-10-12 09:45:54 +0200 |
| commit | 6696fddfd9167d3d53cf2dc3ba8f9ad4c9aaeae9 (patch) | |
| tree | b1f4cae6d00666daf9041003e9f46b28b59f31a1 | |
| parent | 9c718b5478ac5df8ca4f27dbb70a6201c385aada (diff) | |
| download | upstream-6696fddfd9167d3d53cf2dc3ba8f9ad4c9aaeae9.tar.gz upstream-6696fddfd9167d3d53cf2dc3ba8f9ad4c9aaeae9.tar.bz2 upstream-6696fddfd9167d3d53cf2dc3ba8f9ad4c9aaeae9.zip | |
mac80211: do not allow bigger VHT MPDUs than the hardware supports
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit caf727767ab5c8f8d884ef458c74726a8e610d96)
[Refreshed patch]
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/331-mac80211-do-not-allow-bigger-VHT-MPDUs-than-the-hard.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/331-mac80211-do-not-allow-bigger-VHT-MPDUs-than-the-hard.patch b/package/kernel/mac80211/patches/subsys/331-mac80211-do-not-allow-bigger-VHT-MPDUs-than-the-hard.patch new file mode 100644 index 0000000000..ce39fe0d8b --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/331-mac80211-do-not-allow-bigger-VHT-MPDUs-than-the-hard.patch @@ -0,0 +1,34 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 17 Sep 2020 12:07:19 +0200 +Subject: [PATCH] mac80211: do not allow bigger VHT MPDUs than the hardware + supports + +Limit maximum VHT MPDU size by local capability + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/vht.c ++++ b/net/mac80211/vht.c +@@ -170,10 +170,7 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(stru + /* take some capabilities as-is */ + cap_info = le32_to_cpu(vht_cap_ie->vht_cap_info); + vht_cap->cap = cap_info; +- vht_cap->cap &= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | +- IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | +- IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | +- IEEE80211_VHT_CAP_RXLDPC | ++ vht_cap->cap &= IEEE80211_VHT_CAP_RXLDPC | + IEEE80211_VHT_CAP_VHT_TXOP_PS | + IEEE80211_VHT_CAP_HTC_VHT | + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | +@@ -182,6 +179,9 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(stru + IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | + IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; + ++ vht_cap->cap |= min_t(u32, cap_info & IEEE80211_VHT_CAP_MAX_MPDU_MASK, ++ own_cap.cap & IEEE80211_VHT_CAP_MAX_MPDU_MASK); ++ + /* and some based on our own capabilities */ + switch (own_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { + case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: |