Commit c86fac53 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Paolo Abeni
Browse files

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: cd53f622 ("net: airoha: Add L2 hw acceleration support")
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-3-3287f8b55214@kernel.org


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 504a577c

drivers/net/ethernet/airoha/airoha_ppe.c

+5 −0
Original line number Diff line number Diff line
@@ -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));