openwrt/package/kernel/mac80211/patches/subsys/356-wifi-cfg80211-add-monitor-SKIP_TX-flag.patch
Felix Fietkau 87033c3a0b mac80211: improve single-wiphy multi-radio support
- add support for configuring allowed radios for a vif
- add support for monitor mode on multiple channels

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2024-10-22 14:40:42 +02:00

57 lines
2.1 KiB
Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 30 Sep 2024 17:04:09 +0200
Subject: [PATCH] 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: Felix Fietkau <nbd@nbd.name>
---
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2272,6 +2272,7 @@ static inline int cfg80211_get_station(s
* @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),
@@ -2281,6 +2282,7 @@ 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),
};
/**
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -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,
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4201,6 +4201,7 @@ static const struct nla_policy mntr_flag
[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)