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authorLorenzo Bianconi <lorenzo@kernel.org>2025-06-02 12:55:39 +0200
committerPaolo Abeni <pabeni@redhat.com>2025-06-03 12:55:29 +0200
commitc86fac5365d3a068422beeb508f2741f1a2d734d (patch)
tree6ca162d907c3d5b0b680ab26b6b264886c5c53e5
parentnet: airoha: Fix IPv6 hw acceleration in bridge mode (diff)
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wireguard-linux-c86fac5365d3a068422beeb508f2741f1a2d734d.zip
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 <lorenzo@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-3-3287f8b55214@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/net/ethernet/airoha/airoha_ppe.c5
1 files changed, 5 insertions, 0 deletions
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));