Currently, while filling NL attributes for the link level station
statistics, valid_links is checked. There might be the case when
driver offload link station statistics and does not provide per-link
statistics.
Hence, add flag WIPHY_FLAG_SUPPORTS_MLO_STA_PER_LINK_STATS in wiphy
structure to indicate that driver supports per link station statistics.
Set this flag if driver supports per-link station statistics and
check this flag while filling the station_info structure
for MLO and while embedding the info into NL message.
Signed-off-by: Sarika Sharma <quic_sarishar@xxxxxxxxxxx>
---
include/net/cfg80211.h | 7 +++++++
net/wireless/nl80211.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index a7f7bfbc87f3..0874b0c54ef4 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2158,6 +2158,9 @@ struct link_station_info {
* @local_pm: local mesh STA power save mode
* @peer_pm: peer mesh STA power save mode
* @nonpeer_pm: non-peer mesh STA power save mode
+ * @is_per_link_stats_support: false- for non-ML STA and for ML STA,if driver
+ * offload link decisions and do not provide per-link statistics.
+ * true- if driver provides per-link statistics.
* @assoc_link_id: Indicates MLO link ID of the AP, with which the station
* completed (re)association. This information filled for both MLO
* and non-MLO STA connections when the AP affiliated with an MLD.
@@ -2201,6 +2204,7 @@ struct station_info {
enum nl80211_mesh_power_mode peer_pm;
enum nl80211_mesh_power_mode nonpeer_pm;
+ bool is_per_link_stats_support;
u8 assoc_link_id;
u8 mld_addr[ETH_ALEN] __aligned(2);
const u8 *assoc_resp_ies;
@@ -5065,6 +5069,8 @@ struct cfg80211_ops {
* @WIPHY_FLAG_SUPPORTS_NSTR_NONPRIMARY: support connection to non-primary link
* of an NSTR mobile AP MLD.
* @WIPHY_FLAG_DISABLE_WEXT: disable wireless extensions for this device
+ * @WIPHY_FLAG_SUPPORTS_MLO_STA_PER_LINK_STATS: The driver does not offload
+ * link decisions and provide per-link statistics for MLO STA.
*/
enum wiphy_flags {
WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK = BIT(0),
@@ -5093,6 +5099,7 @@ enum wiphy_flags {
WIPHY_FLAG_HAS_CHANNEL_SWITCH = BIT(23),
WIPHY_FLAG_NOTIFY_REGDOM_BY_DRIVER = BIT(24),
WIPHY_FLAG_CHANNEL_CHANGE_ON_BEACON = BIT(25),
+ WIPHY_FLAG_SUPPORTS_MLO_STA_PER_LINK_STATS = BIT(26),
};
/**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 619427513361..522bcad71874 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6906,7 +6906,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
&sinfo->sta_flags))
goto nla_put_failure;
- if (sinfo->valid_links) {
+ if (sinfo->is_per_link_stats_support && sinfo->valid_links) {
/* TODO: Add accumulated stats for packets, bytes for
* better representation at MLO level.
*/
--
2.34.1
