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openwrt/target/linux/generic/backport-6.6/752-27-v6.10-net-ethernet-mtk_eth_soc-ppe-prevent-ppe-update-for-.patch
Daniel Golle 75081235b8 generic: 6.6: (re-)add support multiple PPE to mtk_eth_soc
Now that the issue with WED has been sorted out, re-add support for
multiple PPE to the mtk_eth_soc driver.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2024-06-28 20:55:11 +01:00

31 lines
1.3 KiB
Diff

From 73cfd947dbdb25ef9863ac49c4596a7d53ad4025 Mon Sep 17 00:00:00 2001
From: Elad Yifee <eladwf@gmail.com>
Date: Sun, 23 Jun 2024 20:51:09 +0300
Subject: [PATCH] net: ethernet: mtk_eth_soc: ppe: prevent ppe update for
non-mtk devices
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>
Link: https://lore.kernel.org/r/20240623175113.24437-1-eladwf@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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
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))