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nl80211: add ability to report TX status for control port TX

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This adds the necessary capabilities in nl80211 to allow drivers to
assign a cookie to control port TX frames (returned via extack in
the netlink ACK message of the command) and then later report the
frame's status.

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20200508144202.7678-2-markus.theil@tu-ilmenau.de
[use extack cookie instead of explicit message, recombine patches]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Markus Theil
2020-05-08 16:42:00 +02:00
committed by Johannes Berg
parent 3c23215ba8
commit dca9ca2d58
7 changed files with 91 additions and 14 deletions
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12
include/uapi/linux/nl80211.h
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@@ -1164,6 +1164,12 @@
* dropped because it did not include a valid MME MIC while beacon
* protection was enabled (BIGTK configured in station mode).
*
* @NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS: Report TX status of a control
* port frame transmitted with %NL80211_CMD_CONTROL_PORT_FRAME.
* %NL80211_ATTR_COOKIE identifies the TX command and %NL80211_ATTR_FRAME
* includes the contents of the frame. %NL80211_ATTR_ACK flag is included
* if the recipient acknowledged the frame.
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1392,6 +1398,8 @@ enum nl80211_commands {
NL80211_CMD_UNPROT_BEACON,
NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -5729,6 +5737,9 @@ enum nl80211_feature_flags {
* report %NL80211_ATTR_SCAN_FREQ_KHZ, %NL80211_SCAN_FLAG_FREQ_KHZ must be
* included in the scan request.
*
* @NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS: The driver
* can report tx status for control port over nl80211 tx operations.
*
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -5783,6 +5794,7 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS,
NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT,
NL80211_EXT_FEATURE_SCAN_FREQ_KHZ,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,