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authorJohannes Berg <johannes.berg@intel.com>2011-11-04 11:18:21 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-11-09 16:13:54 -0500
commite247bd9068e3e86c3571147c128883596ace9d05 (patch)
tree5639065f2b0bfe4cb7389a75e274bc8a53efd75f /include/linux/nl80211.h
parente7f4a940bb5eecd07cf0039e7d9201badc332ae0 (diff)
cfg80211/mac80211: allow management TX to not wait for ACK
For probe responses it can be useful to not wait for ACK to avoid retransmissions if the station that sent the probe is already on the next channel, so allow userspace to request not caring about the ACK with a new nl80211 flag. Since mac80211 needs to be updated for the new function prototype anyway implement it right away -- it's just a few lines of code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/linux/nl80211.h')
-rw-r--r--include/linux/nl80211.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 09474ab7de8..165e16fc7af 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1151,6 +1151,11 @@ enum nl80211_commands {
* with support for the features listed in this attribute, see
* &enum nl80211_ap_sme_features.
*
+ * @NL80211_ATTR_DONT_WAIT_FOR_ACK: Used with %NL80211_CMD_FRAME, this tells
+ * the driver to not wait for an acknowledgement. Note that due to this,
+ * it will also not give a status callback nor return a cookie. This is
+ * mostly useful for probe responses to save airtime.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1381,6 +1386,8 @@ enum nl80211_attrs {
NL80211_ATTR_DEVICE_AP_SME,
+ NL80211_ATTR_DONT_WAIT_FOR_ACK,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,