From 1ff4e8f2dec8b145b451f05320e4f9e01d254ae2 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 8 Sep 2020 14:37:01 +0200 Subject: mac80211: notify the driver when a sta uses 4-address mode This is needed for encapsulation offload of 4-address mode packets Signed-off-by: Felix Fietkau Link: https://lore.kernel.org/r/20200908123702.88454-14-nbd@nbd.name Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 1 + net/mac80211/driver-ops.h | 14 ++++++++++++++ net/mac80211/mlme.c | 3 +++ net/mac80211/trace.h | 27 +++++++++++++++++++++++++++ 4 files changed, 45 insertions(+) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index b4e39e31a985..022caf1c492b 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1696,6 +1696,7 @@ static int ieee80211_change_station(struct wiphy *wiphy, rcu_assign_pointer(vlansdata->u.vlan.sta, sta); __ieee80211_check_fast_rx_iface(vlansdata); + drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); } if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index e3dfb9307fae..bcdfd19a596b 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1399,4 +1399,18 @@ static inline void drv_update_vif_offload(struct ieee80211_local *local, trace_drv_return_void(local); } +static inline void drv_sta_set_4addr(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, bool enabled) +{ + sdata = get_bss_sdata(sdata); + if (!check_sdata_in_driver(sdata)) + return; + + trace_drv_sta_set_4addr(local, sdata, sta, enabled); + if (local->ops->sta_set_4addr) + local->ops->sta_set_4addr(&local->hw, &sdata->vif, sta, enabled); + trace_drv_return_void(local); +} + #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ac870309b911..8e0f79cf4c02 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3548,6 +3548,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, goto out; } + if (sdata->wdev.use_4addr) + drv_sta_set_4addr(local, sdata, &sta->sta, true); + mutex_unlock(&sdata->local->sta_mtx); /* diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 50a0a83e96fc..89723907a094 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -2740,6 +2740,33 @@ DEFINE_EVENT(local_sdata_addr_evt, drv_update_vif_offload, TP_ARGS(local, sdata) ); +TRACE_EVENT(drv_sta_set_4addr, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, bool enabled), + + TP_ARGS(local, sdata, sta, enabled), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + STA_ENTRY + __field(bool, enabled) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + STA_ASSIGN; + __entry->enabled = enabled; + ), + + TP_printk( + LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " enabled:%d", + LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->enabled + ) +); + #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH -- cgit v1.2.3