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kernel: re-add bridge allow reception on disabled port

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The "bridge allow reception on disabled port" implementation
was broken after these commits:

08802d93e2 ("kernel: bump 4.19 to 4.19.37")
b765f4be40 ("kernel: bump 4.14 to 4.14.114")
456f486b53 ("kernel: bump 4.9 to 4.9.171")

This leads to issues when for example WDS is used, tied to a bridge:

[ 96.503771] wlan1: send auth to d4:5f:25:eb:09:82 (try 1/3)
[ 96.517956] wlan1: authenticated
[ 96.526209] wlan1: associate with d4:5f:25:eb:09:82 (try 1/3)
[ 97.086156] wlan1: associate with d4:5f:25:eb:09:82 (try 2/3)
[ 97.200919] wlan1: RX AssocResp from d4:5f:25:eb:09:82 (capab=0x11 status=0 aid=1)
[ 97.208706] wlan1: associated
[ 101.312913] wlan1: deauthenticated from d4:5f:25:eb:09:82 (Reason: 2=PREV_AUTH_NOT_VALID)

It seems upstream introduced a new patch, [1]
so we have to reimplement these patches properly:

target/linux/generic/pending-4.9/150-bridge_allow_receiption_on_disabled_port.patch
target/linux/generic/pending-4.14/150-bridge_allow_receiption_on_disabled_port.patch
target/linux/generic/pending-4.19/150-bridge_allow_receiption_on_disabled_port.patch

[1] https://lkml.org/lkml/2019/4/24/1228

Fixes: 08802d93e2 ("kernel: bump 4.19 to 4.19.37")
Fixes: b765f4be40 ("kernel: bump 4.14 to 4.14.114")
Fixes: 456f486b53 ("kernel: bump 4.9 to 4.9.171")
Signed-off-by: Chen Minqiang <ptpt52@gmail.com>
[updated commit message and title]
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
This commit is contained in:
Chen Minqiang 2019-05-10 19:13:07 +08:00 committed by Koen Vandeputte
parent 021a9b4cb9
commit de1431b589
3 changed files with 15 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
target/linux/generic/pending-4.14/150-bridge_allow_receiption_on_disabled_port.patch
View File

@ -27,7 +27,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* return 1 to signal the okfn() was called so it's ok to use the skb */
return 1;
@@ -332,6 +335,15 @@ rx_handler_result_t br_handle_frame(stru
@@ -332,6 +335,17 @@ rx_handler_result_t br_handle_frame(stru
forward:
switch (p->state) {
@ -35,9 +35,11 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ if (ether_addr_equal(p->br->dev->dev_addr, dest))
+ skb->pkt_type = PACKET_HOST;
+
+ NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
+ if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
+ dev_net(skb->dev), NULL, skb, skb->dev, NULL,
+ br_handle_local_finish);
+ br_handle_local_finish) == 1) {
+ return RX_HANDLER_PASS;
+ }
+ break;
+
case BR_STATE_FORWARDING:

8
target/linux/generic/pending-4.19/150-bridge_allow_receiption_on_disabled_port.patch
View File

@ -25,7 +25,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
__br_handle_local_finish(skb);
/* return 1 to signal the okfn() was called so it's ok to use the skb */
@@ -291,6 +294,15 @@ rx_handler_result_t br_handle_frame(stru
@@ -291,6 +294,17 @@ rx_handler_result_t br_handle_frame(stru
forward:
switch (p->state) {
@ -33,9 +33,11 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ if (ether_addr_equal(p->br->dev->dev_addr, dest))
+ skb->pkt_type = PACKET_HOST;
+
+ NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
+ if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
+ dev_net(skb->dev), NULL, skb, skb->dev, NULL,
+ br_handle_local_finish);
+ br_handle_local_finish) == 1) {
+ return RX_HANDLER_PASS;
+ }
+ break;
+
case BR_STATE_FORWARDING:

8
target/linux/generic/pending-4.9/150-bridge_allow_receiption_on_disabled_port.patch
View File

@ -27,7 +27,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* return 1 to signal the okfn() was called so it's ok to use the skb */
return 1;
@@ -321,6 +324,15 @@ rx_handler_result_t br_handle_frame(stru
@@ -321,6 +324,17 @@ rx_handler_result_t br_handle_frame(stru
forward:
switch (p->state) {
@ -35,9 +35,11 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ if (ether_addr_equal(p->br->dev->dev_addr, dest))
+ skb->pkt_type = PACKET_HOST;
+
+ NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
+ if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
+ dev_net(skb->dev), NULL, skb, skb->dev, NULL,
+ br_handle_local_finish);
+ br_handle_local_finish) == 1) {
+ return RX_HANDLER_PASS;
+ }
+ break;
+
case BR_STATE_FORWARDING: