+static inline bool is_first_ethertype_ip(struct sk_buff *skb)
+{
+ __be16 ethertype = ((struct ethhdr *)skb->data)->h_proto;
+
+ return (ethertype == htons(ETH_P_IP) || ethertype == htons(ETH_P_IPV6));
+}
+
+static inline void mlx5e_handle_csum(struct net_device *netdev,
+ struct mlx5_cqe64 *cqe,
+ struct mlx5e_rq *rq,
+ struct sk_buff *skb)
+{
+ if (unlikely(!(netdev->features & NETIF_F_RXCSUM)))
+ goto csum_none;
+
+ if (likely(cqe->hds_ip_ext & CQE_L4_OK)) {
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ } else if (is_first_ethertype_ip(skb)) {
+ skb->ip_summed = CHECKSUM_COMPLETE;
+ skb->csum = csum_unfold(cqe->check_sum);
+ rq->stats.csum_sw++;
+ } else {
+ goto csum_none;
+ }
+
+ return;
+
+csum_none:
+ skb->ip_summed = CHECKSUM_NONE;
+ rq->stats.csum_none++;
+}
+