Commit a77e527b authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
Browse files

wifi: cfg80211: add monitor SKIP_TX flag 



This can be used to indicate that the user is not interested in receiving
locally sent packets on the monitor interface.

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/f0c20f832eadd36c71fba9a2a16ba57d78389b6c.1728462320.git-series.nbd@nbd.name


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 9d40f7e3

include/net/cfg80211.h

+2 −0
Original line number Diff line number Diff line
@@ -2267,6 +2267,7 @@ static inline int cfg80211_get_station(struct net_device *dev, 
 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering

 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing

 * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address

 * @MONITOR_FLAG_SKIP_TX: do not pass locally transmitted frames

 */

enum monitor_flags {

	MONITOR_FLAG_CHANGED		= BIT(__NL80211_MNTR_FLAG_INVALID),
@@ -2276,6 +2277,7 @@ enum monitor_flags { 
	MONITOR_FLAG_OTHER_BSS		= BIT(NL80211_MNTR_FLAG_OTHER_BSS),

	MONITOR_FLAG_COOK_FRAMES	= BIT(NL80211_MNTR_FLAG_COOK_FRAMES),

	MONITOR_FLAG_ACTIVE		= BIT(NL80211_MNTR_FLAG_ACTIVE),

	MONITOR_FLAG_SKIP_TX		= BIT(NL80211_MNTR_FLAG_SKIP_TX),

};



/**

include/uapi/linux/nl80211.h

+2 −0
Original line number Diff line number Diff line
@@ -4703,6 +4703,7 @@ enum nl80211_survey_info { 
 *	overrides all other flags.

 * @NL80211_MNTR_FLAG_ACTIVE: use the configured MAC address

 *	and ACK incoming unicast packets.

 * @NL80211_MNTR_FLAG_SKIP_TX: do not pass local tx packets

 *

 * @__NL80211_MNTR_FLAG_AFTER_LAST: internal use

 * @NL80211_MNTR_FLAG_MAX: highest possible monitor flag
@@ -4715,6 +4716,7 @@ enum nl80211_mntr_flags { 
	NL80211_MNTR_FLAG_OTHER_BSS,

	NL80211_MNTR_FLAG_COOK_FRAMES,

	NL80211_MNTR_FLAG_ACTIVE,

	NL80211_MNTR_FLAG_SKIP_TX,



	/* keep last */

	__NL80211_MNTR_FLAG_AFTER_LAST,

net/wireless/nl80211.c

+1 −0
Original line number Diff line number Diff line
@@ -4206,6 +4206,7 @@ static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { 
	[NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },

	[NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },

	[NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },

	[NL80211_MNTR_FLAG_SKIP_TX] = { .type = NLA_FLAG },

};









static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)