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author | Johannes Berg <johannes.berg@intel.com> | 2022-07-19 10:26:50 +0200 |
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committer | Johannes Berg <johannes.berg@intel.com> | 2022-07-22 14:28:16 +0200 |
commit | 9dd1953846c7cd58100a5c6bd90db54e2c60668a (patch) | |
tree | a980d2b993b970854adfd79e6be3ebc758321f5a /include | |
parent | dd820ed6336ad37c870ef2f11e34dcf1a8ff2aa1 (diff) | |
download | linux-stable-9dd1953846c7cd58100a5c6bd90db54e2c60668a.tar.gz linux-stable-9dd1953846c7cd58100a5c6bd90db54e2c60668a.tar.bz2 linux-stable-9dd1953846c7cd58100a5c6bd90db54e2c60668a.zip |
wifi: nl80211/mac80211: clarify link ID in control port TX
Clarify the link ID behaviour in control port TX, we need it
to select the link to transmit on for both MLD and non-MLD
receivers, but select the link address as the SA only if the
receiver is not an MLD.
Fixes: 67207bab9341 ("wifi: cfg80211/mac80211: Support control port TX from specific link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/uapi/linux/nl80211.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 3fa586e38f88..d4d6ba585b41 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1119,6 +1119,12 @@ * has been received. %NL80211_ATTR_FRAME is used to specify the * frame contents. The frame is the raw EAPoL data, without ethernet or * 802.11 headers. + * For an MLD transmitter, the %NL80211_ATTR_MLO_LINK_ID may be given and + * its effect will depend on the destination: If the destination is known + * to be an MLD, this will be used as a hint to select the link to transmit + * the frame on. If the destination is not an MLD, this will select both + * the link to transmit on and the source address will be set to the link + * address of that link. * When used as an event indication %NL80211_ATTR_CONTROL_PORT_ETHERTYPE, * %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT and %NL80211_ATTR_MAC are added * indicating the protocol type of the received frame; whether the frame |