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[84.229.253.201]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-424817a9667sm106010095e9.15.2024.06.23.10.51.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Jun 2024 10:51:34 -0700 (PDT) From: Elad Yifee To: Cc: eladwf@gmail.com, daniel@makrotopia.org, Felix Fietkau , Sean Wang , Mark Lee , Lorenzo Bianconi , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH net-next] net: ethernet: mtk_eth_soc: ppe: prevent ppe update for non-mtk devices Date: Sun, 23 Jun 2024 20:51:09 +0300 Message-ID: <20240623175113.24437-1-eladwf@gmail.com> X-Mailer: git-send-email 2.45.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240623_105137_285964_0CE53F3E X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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))