[PATCH 2/4] wiphy: add driver quirk for disabling multicast rx (and helper)

James Prestwood
2024-11-25T15:06:29Z

This driver quirk and associated helper API lets other modules both
check if multicast RX is supported, and if its been disabled via
the driver quirk setting.
---
src/wiphy.c | 17 +++++++++++++----
src/wiphy.h | 1 +
2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/wiphy.c b/src/wiphy.c
index ecc345e9..5e958d65 100644
--- a/src/wiphy.c
+++ b/src/wiphy.c
@@ -73,6 +73,7 @@ enum driver_flag {
FORCE_PAE = 0x2,
POWER_SAVE_DISABLE = 0x4,
OWE_DISABLE = 0x8,
+ MULTICAST_RX_DISABLE = 0x10,
};

struct driver_flag_name {
@@ -101,10 +102,11 @@ static const struct driver_info driver_infos[] = {
};

static const struct driver_flag_name driver_flag_names[] = {
- { "DefaultInterface", DEFAULT_IF },
- { "ForcePae", FORCE_PAE },
- { "PowerSaveDisable", POWER_SAVE_DISABLE },
- { "OweDisable", OWE_DISABLE },
+ { "DefaultInterface", DEFAULT_IF },
+ { "ForcePae", FORCE_PAE },
+ { "PowerSaveDisable", POWER_SAVE_DISABLE },
+ { "OweDisable", OWE_DISABLE },
+ { "MulticastRxDisable", MULTICAST_RX_DISABLE }
};

struct wiphy {
@@ -949,6 +951,13 @@ bool wiphy_supports_cmd_offchannel(const struct wiphy *wiphy)
return wiphy->supports_cmd_offchannel;
}

+bool wiphy_supports_multicast_rx(const struct wiphy *wiphy)
+{
+ return wiphy_has_ext_feature(wiphy,
+ NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS) &&
+ !(wiphy->driver_flags & MULTICAST_RX_DISABLE);
+}
+
const uint8_t *wiphy_get_ht_capabilities(const struct wiphy *wiphy,
enum band_freq band,
size_t *size)
diff --git a/src/wiphy.h b/src/wiphy.h
index c527c79d..9fcbdcd2 100644
--- a/src/wiphy.h
+++ b/src/wiphy.h
@@ -143,6 +143,7 @@ void wiphy_get_reg_domain_country(struct wiphy *wiphy, char *out);
bool wiphy_country_is_unknown(struct wiphy *wiphy);
bool wiphy_supports_uapsd(const struct wiphy *wiphy);
bool wiphy_supports_cmd_offchannel(const struct wiphy *wiphy);
+bool wiphy_supports_multicast_rx(const struct wiphy *wiphy);

const uint8_t *wiphy_get_ht_capabilities(const struct wiphy *wiphy,
enum band_freq band,
--
2.34.1