[PATCH net-next v01 04/15] hinic3: Add RX GRO and VLAN offload support
From: Fan Gong <gongfan1@huawei.com>
Date: 2026-02-24 13:16:17
Also in:
linux-doc, lkml
Subsystem:
huawei 3rd gen ethernet driver, networking drivers, the rest · Maintainers:
Fan Gong, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Co-developed-by: Zhu Yikai <redacted> Signed-off-by: Zhu Yikai <redacted> Signed-off-by: Fan Gong <gongfan1@huawei.com> --- .../net/ethernet/huawei/hinic3/hinic3_rx.c | 26 +++++++++++++++++++ .../net/ethernet/huawei/hinic3/hinic3_rx.h | 3 +++ 2 files changed, 29 insertions(+)
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_rx.c b/drivers/net/ethernet/huawei/hinic3/hinic3_rx.c
index 159c291fa293..fe7fdd06c1b6 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_rx.c
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_rx.c@@ -357,6 +357,23 @@ static void hinic3_rx_csum(struct hinic3_rxq *rxq, u32 offload_type, } } +static void hinic3_rx_gro(struct hinic3_rxq *rxq, u32 offload_type, + struct sk_buff *skb) +{ + struct net_device *netdev = rxq->netdev; + bool l2_tunnel; + + if (!(netdev->features & NETIF_F_GRO)) + return; + + l2_tunnel = HINIC3_GET_RX_TUNNEL_PKT_FORMAT(offload_type) == + HINIC3_RX_PKT_FORMAT_VXLAN ? 1 : 0; + if (l2_tunnel && skb->ip_summed == CHECKSUM_UNNECESSARY) { + /* If we checked the outer header let the stack know */ + skb->csum_level = 1; + } +} + static void hinic3_lro_set_gso_params(struct sk_buff *skb, u16 num_lro) { struct ethhdr *eth = (struct ethhdr *)(skb->data);
@@ -389,6 +406,15 @@ static int recv_one_pkt(struct hinic3_rxq *rxq, struct hinic3_rq_cqe *rx_cqe, offload_type = le32_to_cpu(rx_cqe->offload_type); hinic3_rx_csum(rxq, offload_type, status, skb); + hinic3_rx_gro(rxq, offload_type, skb); + + if ((netdev->features & NETIF_F_HW_VLAN_CTAG_RX) && + RQ_CQE_OFFOLAD_TYPE_GET(offload_type, VLAN_EN)) { + u16 vid = RQ_CQE_SGE_GET(vlan_len, VLAN); + + /* if the packet is a vlan pkt, the vid may be 0 */ + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); + } num_lro = RQ_CQE_STATUS_GET(status, NUM_LRO); if (num_lro)
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_rx.h b/drivers/net/ethernet/huawei/hinic3/hinic3_rx.h
index 31622e0a63d0..06d1b3299e7c 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_rx.h
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_rx.h@@ -15,6 +15,9 @@ #define RQ_CQE_OFFOLAD_TYPE_GET(val, member) \ FIELD_GET(RQ_CQE_OFFOLAD_TYPE_##member##_MASK, val) +#define HINIC3_GET_RX_TUNNEL_PKT_FORMAT(offload_type) \ + RQ_CQE_OFFOLAD_TYPE_GET(offload_type, TUNNEL_PKT_FORMAT) + #define RQ_CQE_SGE_VLAN_MASK GENMASK(15, 0) #define RQ_CQE_SGE_LEN_MASK GENMASK(31, 16) #define RQ_CQE_SGE_GET(val, member) \
--
2.43.0