[PATCH net-next] net: ethernet: mtk_eth_soc: ppe: prevent ppe update for non-mtk devices
From: Elad Yifee <hidden>
Date: 2024-06-23 17:51:36
Also in:
linux-arm-kernel, linux-mediatek, lkml
Subsystem:
mediatek ethernet driver, networking drivers, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted>
---
drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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))
--
2.45.1