53 lines
1.6 KiB
Diff
53 lines
1.6 KiB
Diff
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From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 23 Feb 2018 10:05:08 +0100
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Subject: [PATCH] mac80211: support station 4-addr mode fast-rx
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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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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@@ -160,7 +160,6 @@ static int ieee80211_change_iface(struct
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if (type == NL80211_IFTYPE_AP_VLAN &&
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params && params->use_4addr == 0) {
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RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
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- ieee80211_check_fast_rx_iface(sdata);
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} else if (type == NL80211_IFTYPE_STATION &&
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params && params->use_4addr >= 0) {
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sdata->u.mgd.use_4addr = params->use_4addr;
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@@ -1574,7 +1573,6 @@ static int ieee80211_change_station(stru
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}
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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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}
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if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
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--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -3738,10 +3738,6 @@ void ieee80211_check_fast_rx(struct sta_
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switch (sdata->vif.type) {
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case NL80211_IFTYPE_STATION:
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- /* 4-addr is harder to deal with, later maybe */
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- if (sdata->u.mgd.use_4addr)
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- goto clear;
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-
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if (sta->sta.tdls) {
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fastrx.da_offs = offsetof(struct ieee80211_hdr, addr1);
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fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr2);
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@@ -3754,6 +3750,13 @@ void ieee80211_check_fast_rx(struct sta_
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cpu_to_le16(IEEE80211_FCTL_FROMDS);
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}
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+ if (sdata->u.mgd.use_4addr && !sta->sta.tdls) {
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+ fastrx.expected_ds_bits |=
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+ cpu_to_le16(IEEE80211_FCTL_TODS);
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+ fastrx.da_offs = offsetof(struct ieee80211_hdr, addr3);
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+ fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr4);
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+ }
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+
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if (!sdata->u.mgd.powersave)
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break;
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