diff options
| author | Michael-CY Lee <michael-cy.lee@mediatek.com> | 2025-07-21 14:29:29 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2025-07-21 19:39:43 +0200 |
| commit | 4970e393eb5d1aed10119532abe36e07f27eec7f (patch) | |
| tree | c5d1ec364c046a7c1ae9dfecac969958c4c179ac | |
| parent | c639a44ac6c2624f983bbe36483166a4b3afb371 (diff) | |
wifi: mac80211: determine missing link_id in ieee80211_rx_for_interface() based on frequency
For broadcast frames, every interface might have to process it and
therefore the link_id cannot be determined in the driver.
In mac80211, when the frame is about to be forwarded to each interface,
we can use the member "freq" in struct ieee80211_rx_status to determine
the "link_id" for each interface.
Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Reviewed-by: Money Wang <money.wang@mediatek.com>
Link: https://patch.msgid.link/20250721062929.1662700-1-michael-cy.lee@mediatek.com
[simplify, remove unnecessary link->conf check]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/rx.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index b414c9e6e61b..576e399fc99c 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -5106,8 +5106,24 @@ static bool ieee80211_rx_for_interface(struct ieee80211_rx_data *rx, struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); sta = sta_info_get_bss(rx->sdata, hdr->addr2); - if (status->link_valid) + if (status->link_valid) { link_id = status->link_id; + } else if (ieee80211_vif_is_mld(&rx->sdata->vif) && + status->freq) { + struct ieee80211_link_data *link; + struct ieee80211_chanctx_conf *conf; + + for_each_link_data_rcu(rx->sdata, link) { + conf = rcu_dereference(link->conf->chanctx_conf); + if (!conf || !conf->def.chan) + continue; + + if (status->freq == conf->def.chan->center_freq) { + link_id = link->link_id; + break; + } + } + } } if (!ieee80211_rx_data_set_sta(rx, sta, link_id)) |