From: Lorenzo Bianconi Date: Mon, 2 Jun 2025 10:55:39 +0000 (+0200) Subject: net: airoha: Fix smac_id configuration in bridge mode X-Git-Tag: v6.16-rc1~36^2~17^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c86fac5365d3a068422beeb508f2741f1a2d734d;p=thirdparty%2Flinux.git net: airoha: Fix smac_id configuration in bridge mode Set PPE entry smac_id field to 0xf in airoha_ppe_foe_commit_subflow_entry routine for IPv6 traffic in order to instruct the hw to keep original source mac address for IPv6 hw accelerated traffic in bridge mode. Fixes: cd53f622611f ("net: airoha: Add L2 hw acceleration support") Signed-off-by: Lorenzo Bianconi Reviewed-by: Simon Horman Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-3-3287f8b55214@kernel.org Signed-off-by: Paolo Abeni --- diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c index 557779093a79..9067d2fc7706 100644 --- a/drivers/net/ethernet/airoha/airoha_ppe.c +++ b/drivers/net/ethernet/airoha/airoha_ppe.c @@ -660,6 +660,11 @@ airoha_ppe_foe_commit_subflow_entry(struct airoha_ppe *ppe, if (type >= PPE_PKT_TYPE_IPV6_ROUTE_3T) { memcpy(&hwe.ipv6.l2, &e->data.bridge.l2, sizeof(hwe.ipv6.l2)); hwe.ipv6.ib2 = e->data.bridge.ib2; + /* setting smac_id to 0xf instruct the hw to keep original + * source mac address + */ + hwe.ipv6.l2.src_mac_hi = FIELD_PREP(AIROHA_FOE_MAC_SMAC_ID, + 0xf); } else { memcpy(&hwe.bridge.l2, &e->data.bridge.l2, sizeof(hwe.bridge.l2));