diff mbox series

[net-next] net: ethernet: mtk_eth_soc: ppe: prevent ppe update for non-mtk devices

Message ID 20240623175113.24437-1-eladwf@gmail.com (mailing list archive)
State New, archived
Headers show
Series [net-next] net: ethernet: mtk_eth_soc: ppe: prevent ppe update for non-mtk devices | expand

Commit Message

Elad Yifee June 23, 2024, 5:51 p.m. UTC
Introduce an additional validation to ensure that the PPE index
is modified exclusively for mtk_eth ingress devices.
This primarily addresses the issue related
to WED operation with multiple PPEs.

Fixes: dee4dd10c79a ("net: ethernet: mtk_eth_soc: ppe: add support for multiple PPEs")
Signed-off-by: Elad Yifee <eladwf@gmail.com>
---
 drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

patchwork-bot+netdevbpf@kernel.org June 25, 2024, 1:40 p.m. UTC | #1
Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Sun, 23 Jun 2024 20:51:09 +0300 you wrote:
> Introduce an additional validation to ensure that the PPE index
> is modified exclusively for mtk_eth ingress devices.
> This primarily addresses the issue related
> to WED operation with multiple PPEs.
> 
> Fixes: dee4dd10c79a ("net: ethernet: mtk_eth_soc: ppe: add support for multiple PPEs")
> Signed-off-by: Elad Yifee <eladwf@gmail.com>
> 
> [...]

Here is the summary with links:
  - [net-next] net: ethernet: mtk_eth_soc: ppe: prevent ppe update for non-mtk devices
    https://git.kernel.org/netdev/net-next/c/73cfd947dbdb

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
index f80af73d0a1b..f20bb390df3a 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
@@ -266,7 +266,7 @@  mtk_flow_offload_replace(struct mtk_eth *eth, struct flow_cls_offload *f,
 		flow_rule_match_meta(rule, &match);
 		if (mtk_is_netsys_v2_or_greater(eth)) {
 			idev = __dev_get_by_index(&init_net, match.key->ingress_ifindex);
-			if (idev) {
+			if (idev && idev->netdev_ops == eth->netdev[0]->netdev_ops) {
 				struct mtk_mac *mac = netdev_priv(idev);
 
 				if (WARN_ON(mac->ppe_idx >= eth->soc->ppe_num))