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authorMathy Vanhoef <Mathy.Vanhoef@kuleuven.be>2020-11-04 10:18:19 +0400
committerJohannes Berg <johannes.berg@intel.com>2020-11-06 11:01:01 +0100
commit30df81301c63643fe1c3b9f05a57059c35a6a953 (patch)
treef899d7de4995732f90f35f7876d0d6d1b9e66b92 /net/mac80211
parent70debba3ab7d1009e97310268339cee1d5c7d949 (diff)
downloadlinux-30df81301c63643fe1c3b9f05a57059c35a6a953.tar.bz2
mac80211: add radiotap flag to assure frames are not reordered
Add a new radiotap flag to indicate injected frames must not be reordered relative to other frames that also have this flag set, independent of priority field values in the transmitted frame. Parse this radiotap flag and define and set a corresponding Tx control flag. Note that this flag has recently been standardized as part of an update to radiotap. Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@kuleuven.be> Link: https://lore.kernel.org/r/20201104061823.197407-2-Mathy.Vanhoef@kuleuven.be Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/tx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8ba10a48ded4..d4e1a2720807 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2102,6 +2102,9 @@ bool ieee80211_parse_tx_radiotap(struct sk_buff *skb,
info->flags |= IEEE80211_TX_CTL_NO_ACK;
if (txflags & IEEE80211_RADIOTAP_F_TX_NOSEQNO)
info->control.flags |= IEEE80211_TX_CTRL_NO_SEQNO;
+ if (txflags & IEEE80211_RADIOTAP_F_TX_ORDER)
+ info->control.flags |=
+ IEEE80211_TX_CTRL_DONT_REORDER;
break;
case IEEE80211_RADIOTAP_RATE: