110 lines
2.9 KiB
Diff
110 lines
2.9 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 21 Aug 2020 05:51:58 +0200
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Subject: [PATCH] mac80211: notify the driver when a sta uses 4-address
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mode
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This is needed for encapsulation offload of 4-address mode packets
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -3843,6 +3843,8 @@ enum ieee80211_reconfig_type {
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* This callback may sleep.
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* @update_vif_config: Update virtual interface offload flags
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* This callback may sleep.
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+ * @sta_set_4addr: Called to notify the driver when a station starts/stops using
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+ * 4-address mode
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*/
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struct ieee80211_ops {
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void (*tx)(struct ieee80211_hw *hw,
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@@ -4156,6 +4158,8 @@ struct ieee80211_ops {
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struct ieee80211_sta *sta, u8 tids);
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void (*update_vif_offload)(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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+ void (*sta_set_4addr)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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+ struct ieee80211_sta *sta, bool enabled);
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};
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/**
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--- a/net/mac80211/cfg.c
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+++ b/net/mac80211/cfg.c
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@@ -1696,6 +1696,7 @@ static int ieee80211_change_station(stru
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rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
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__ieee80211_check_fast_rx_iface(vlansdata);
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+ drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
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}
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if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
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--- a/net/mac80211/driver-ops.h
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+++ b/net/mac80211/driver-ops.h
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@@ -1399,4 +1399,18 @@ static inline void drv_update_vif_offloa
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trace_drv_return_void(local);
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}
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+static inline void drv_sta_set_4addr(struct ieee80211_local *local,
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+ struct ieee80211_sub_if_data *sdata,
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+ struct ieee80211_sta *sta, bool enabled)
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+{
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+ sdata = get_bss_sdata(sdata);
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+ if (!check_sdata_in_driver(sdata))
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+ return;
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+
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+ trace_drv_sta_set_4addr(local, sdata, sta, enabled);
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+ if (local->ops->sta_set_4addr)
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+ local->ops->sta_set_4addr(&local->hw, &sdata->vif, sta, enabled);
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+ trace_drv_return_void(local);
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+}
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+
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#endif /* __MAC80211_DRIVER_OPS */
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--- a/net/mac80211/mlme.c
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+++ b/net/mac80211/mlme.c
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@@ -3523,6 +3523,9 @@ static bool ieee80211_assoc_success(stru
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goto out;
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}
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+ if (sdata->wdev.use_4addr)
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+ drv_sta_set_4addr(local, sdata, &sta->sta, true);
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+
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mutex_unlock(&sdata->local->sta_mtx);
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/*
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--- a/net/mac80211/trace.h
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+++ b/net/mac80211/trace.h
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@@ -2740,6 +2740,33 @@ DEFINE_EVENT(local_sdata_addr_evt, drv_u
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TP_ARGS(local, sdata)
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);
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+TRACE_EVENT(drv_sta_set_4addr,
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+ TP_PROTO(struct ieee80211_local *local,
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+ struct ieee80211_sub_if_data *sdata,
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+ struct ieee80211_sta *sta, bool enabled),
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+
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+ TP_ARGS(local, sdata, sta, enabled),
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+
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+ TP_STRUCT__entry(
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+ LOCAL_ENTRY
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+ VIF_ENTRY
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+ STA_ENTRY
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+ __field(bool, enabled)
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+ ),
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+
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+ TP_fast_assign(
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+ LOCAL_ASSIGN;
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+ VIF_ASSIGN;
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+ STA_ASSIGN;
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+ __entry->enabled = enabled;
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+ ),
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+
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+ TP_printk(
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+ LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " enabled:%d",
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+ LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->enabled
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+ )
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+);
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+
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#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
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#undef TRACE_INCLUDE_PATH
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