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wifi: cfg80211: add monitor SKIP_TX flag

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

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/f0c20f832eadd36c71fba9a2a16ba57d78389b6c.1728462320.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2024-10-09 10:25:49 +02:00 committed by Johannes Berg
parent 9d40f7e327
commit a77e527b47
3 changed files with 5 additions and 0 deletions
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2
include/net/cfg80211.h
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@ -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),
};
/**

2
include/uapi/linux/nl80211.h
View File

@ -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,

1
net/wireless/nl80211.c
View File

@ -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)