[openwrt/openwrt] mac80211: fix various issues with fast-rx mode
LEDE Commits
lede-commits at lists.infradead.org
Fri Feb 23 01:15:52 PST 2018
nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/393661640b0ec9e5eec83b44e9084b8df687bc03
commit 393661640b0ec9e5eec83b44e9084b8df687bc03
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Fri Feb 23 10:10:01 2018 +0100
mac80211: fix various issues with fast-rx mode
Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
...op-frames-with-unexpected-DS-bits-from-fa.patch | 21 +++++++++
...2-mac80211-support-AP-4-addr-mode-fast-rx.patch | 25 ++++++++++
...pport-fast-rx-with-incompatible-PS-capabi.patch | 53 ++++++++++++++++++++++
...80211-support-station-4-addr-mode-fast-rx.patch | 52 +++++++++++++++++++++
.../522-mac80211_configure_antenna_gain.patch | 4 +-
5 files changed, 153 insertions(+), 2 deletions(-)
diff --git a/package/kernel/mac80211/patches/331-mac80211-drop-frames-with-unexpected-DS-bits-from-fa.patch b/package/kernel/mac80211/patches/331-mac80211-drop-frames-with-unexpected-DS-bits-from-fa.patch
new file mode 100644
index 0000000..a756299
--- /dev/null
+++ b/package/kernel/mac80211/patches/331-mac80211-drop-frames-with-unexpected-DS-bits-from-fa.patch
@@ -0,0 +1,21 @@
+From: Felix Fietkau <nbd at nbd.name>
+Date: Fri, 23 Feb 2018 09:59:35 +0100
+Subject: [PATCH] mac80211: drop frames with unexpected DS bits from
+ fast-rx to slow path
+
+Fixes rx for 4-addr packets in AP mode
+
+Signed-off-by: Felix Fietkau <nbd at nbd.name>
+---
+
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -3928,7 +3928,7 @@ static bool ieee80211_invoke_fast_rx(str
+ if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS |
+ IEEE80211_FCTL_TODS)) !=
+ fast_rx->expected_ds_bits)
+- goto drop;
++ return false;
+
+ /* assign the key to drop unencrypted frames (later)
+ * and strip the IV/MIC if necessary
diff --git a/package/kernel/mac80211/patches/332-mac80211-support-AP-4-addr-mode-fast-rx.patch b/package/kernel/mac80211/patches/332-mac80211-support-AP-4-addr-mode-fast-rx.patch
new file mode 100644
index 0000000..3f3eb0a
--- /dev/null
+++ b/package/kernel/mac80211/patches/332-mac80211-support-AP-4-addr-mode-fast-rx.patch
@@ -0,0 +1,25 @@
+From: Felix Fietkau <nbd at nbd.name>
+Date: Fri, 23 Feb 2018 10:00:22 +0100
+Subject: [PATCH] mac80211: support AP 4-addr mode fast-rx
+
+Signed-off-by: Felix Fietkau <nbd at nbd.name>
+---
+
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -3774,6 +3774,15 @@ void ieee80211_check_fast_rx(struct sta_
+ !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
+ (sdata->vif.type != NL80211_IFTYPE_AP_VLAN ||
+ !sdata->u.vlan.sta);
++
++ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
++ sdata->u.vlan.sta) {
++ fastrx.expected_ds_bits |=
++ cpu_to_le16(IEEE80211_FCTL_FROMDS);
++ fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr4);
++ fastrx.internal_forward = 0;
++ }
++
+ break;
+ default:
+ goto clear;
diff --git a/package/kernel/mac80211/patches/333-mac80211-support-fast-rx-with-incompatible-PS-capabi.patch b/package/kernel/mac80211/patches/333-mac80211-support-fast-rx-with-incompatible-PS-capabi.patch
new file mode 100644
index 0000000..8c4c724
--- /dev/null
+++ b/package/kernel/mac80211/patches/333-mac80211-support-fast-rx-with-incompatible-PS-capabi.patch
@@ -0,0 +1,53 @@
+From: Felix Fietkau <nbd at nbd.name>
+Date: Fri, 23 Feb 2018 10:01:53 +0100
+Subject: [PATCH] mac80211: support fast-rx with incompatible PS
+ capabilities when PS is disabled
+
+When powersave is disabled for the interface, we can do fast-rx anyway.
+
+Signed-off-by: Felix Fietkau <nbd at nbd.name>
+---
+
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -2658,6 +2658,7 @@ static int ieee80211_set_power_mgmt(stru
+
+ ieee80211_recalc_ps(local);
+ ieee80211_recalc_ps_vif(sdata);
++ ieee80211_check_fast_rx_iface(sdata);
+
+ return 0;
+ }
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -3741,12 +3741,7 @@ void ieee80211_check_fast_rx(struct sta_
+ /* 4-addr is harder to deal with, later maybe */
+ if (sdata->u.mgd.use_4addr)
+ goto clear;
+- /* software powersave is a huge mess, avoid all of it */
+- if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
+- goto clear;
+- if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&
+- !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
+- goto clear;
++
+ if (sta->sta.tdls) {
+ fastrx.da_offs = offsetof(struct ieee80211_hdr, addr1);
+ fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr2);
+@@ -3758,6 +3753,16 @@ void ieee80211_check_fast_rx(struct sta_
+ fastrx.expected_ds_bits =
+ cpu_to_le16(IEEE80211_FCTL_FROMDS);
+ }
++
++ if (!sdata->u.mgd.powersave)
++ break;
++
++ /* software powersave is a huge mess, avoid all of it */
++ if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
++ goto clear;
++ if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&
++ !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
++ goto clear;
+ break;
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_AP:
diff --git a/package/kernel/mac80211/patches/334-mac80211-support-station-4-addr-mode-fast-rx.patch b/package/kernel/mac80211/patches/334-mac80211-support-station-4-addr-mode-fast-rx.patch
new file mode 100644
index 0000000..8f9cba1
--- /dev/null
+++ b/package/kernel/mac80211/patches/334-mac80211-support-station-4-addr-mode-fast-rx.patch
@@ -0,0 +1,52 @@
+From: Felix Fietkau <nbd at nbd.name>
+Date: Fri, 23 Feb 2018 10:05:08 +0100
+Subject: [PATCH] mac80211: support station 4-addr mode fast-rx
+
+Signed-off-by: Felix Fietkau <nbd at nbd.name>
+---
+
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -160,7 +160,6 @@ static int ieee80211_change_iface(struct
+ if (type == NL80211_IFTYPE_AP_VLAN &&
+ params && params->use_4addr == 0) {
+ RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
+- ieee80211_check_fast_rx_iface(sdata);
+ } else if (type == NL80211_IFTYPE_STATION &&
+ params && params->use_4addr >= 0) {
+ sdata->u.mgd.use_4addr = params->use_4addr;
+@@ -1574,7 +1573,6 @@ static int ieee80211_change_station(stru
+ }
+
+ rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
+- __ieee80211_check_fast_rx_iface(vlansdata);
+ }
+
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -3738,10 +3738,6 @@ void ieee80211_check_fast_rx(struct sta_
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_STATION:
+- /* 4-addr is harder to deal with, later maybe */
+- if (sdata->u.mgd.use_4addr)
+- goto clear;
+-
+ if (sta->sta.tdls) {
+ fastrx.da_offs = offsetof(struct ieee80211_hdr, addr1);
+ fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr2);
+@@ -3754,6 +3750,13 @@ void ieee80211_check_fast_rx(struct sta_
+ cpu_to_le16(IEEE80211_FCTL_FROMDS);
+ }
+
++ if (sdata->u.mgd.use_4addr && !sta->sta.tdls) {
++ fastrx.expected_ds_bits |=
++ cpu_to_le16(IEEE80211_FCTL_TODS);
++ fastrx.da_offs = offsetof(struct ieee80211_hdr, addr3);
++ fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr4);
++ }
++
+ if (!sdata->u.mgd.powersave)
+ break;
+
diff --git a/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch b/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch
index 2a2d2f3..80723b1 100644
--- a/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch
+++ b/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch
@@ -57,7 +57,7 @@
__NL80211_ATTR_AFTER_LAST,
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
-@@ -2447,6 +2447,19 @@ static int ieee80211_get_tx_power(struct
+@@ -2445,6 +2445,19 @@ static int ieee80211_get_tx_power(struct
return 0;
}
@@ -77,7 +77,7 @@
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
const u8 *addr)
{
-@@ -3720,6 +3733,7 @@ const struct cfg80211_ops mac80211_confi
+@@ -3719,6 +3732,7 @@ const struct cfg80211_ops mac80211_confi
.set_wiphy_params = ieee80211_set_wiphy_params,
.set_tx_power = ieee80211_set_tx_power,
.get_tx_power = ieee80211_get_tx_power,
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