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cfg80211: Unprotected Beacon frame RX indication

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Extend cfg80211_rx_unprot_mlme_mgmt() to cover indication of unprotected
Beacon frames in addition to the previously used Deauthentication and
Disassociation frames. The Beacon frame case is quite similar, but has
couple of exceptions: this is used both with fully unprotected and also
incorrectly protected frames and there is a rate limit on the events to
avoid unnecessary flooding netlink events in case something goes wrong.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20200401142548.6990-1-jouni@codeaurora.org
[add missing kernel-doc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Jouni Malinen
2020-04-01 17:25:47 +03:00
committed by Johannes Berg
parent 90e8f58dfc
commit 4d797fce78
4 changed files with 30 additions and 4 deletions
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7
include/uapi/linux/nl80211.h
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@@ -1151,6 +1151,11 @@
* @NL80211_CMD_SET_TID_CONFIG: Data frame TID specific configuration
* is passed using %NL80211_ATTR_TID_CONFIG attribute.
*
* @NL80211_CMD_UNPROT_BEACON: Unprotected or incorrectly protected Beacon
* frame. This event is used to indicate that a received Beacon frame was
* dropped because it did not include a valid MME MIC while beacon
* protection was enabled (BIGTK configured in station mode).
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1377,6 +1382,8 @@ enum nl80211_commands {
NL80211_CMD_SET_TID_CONFIG,
NL80211_CMD_UNPROT_BEACON,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */