623  * the (IPv4 | IPv6) bits are set in cqe->status.
625 static int check_csum(struct mlx4_cqe *cqe, struct sk_buff *skb, void *va,  in check_csum()  argument
631 	/* CQE csum doesn't cover padding octets in short ethernet  in check_csum()
643 	hw_checksum = csum_unfold((__force __sum16)cqe->checksum);  in check_csum()
645 	if (cqe->vlan_my_qpn & cpu_to_be32(MLX4_CQE_CVLAN_PRESENT_MASK) &&  in check_csum()
652 	if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6))  in check_csum()
672 	struct mlx4_cqe *cqe;  in mlx4_en_process_rx_cq()  local
690 	 * descriptor offset can be deduced from the CQE index instead of  in mlx4_en_process_rx_cq()
691 	 * reading 'cqe->index' */  in mlx4_en_process_rx_cq()
693 	cqe = mlx4_en_get_cqe(cq->buf, index, priv->cqe_size) + factor;  in mlx4_en_process_rx_cq()
696 	while (XNOR(cqe->owner_sr_opcode & MLX4_CQE_OWNER_MASK,  in mlx4_en_process_rx_cq()
710 		 * make sure we read the CQE after we read the ownership bit  in mlx4_en_process_rx_cq()
715 		if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) ==  in mlx4_en_process_rx_cq()
717 			en_err(priv, "CQE completed in error - vendor syndrom:%d syndrom:%d\n",  in mlx4_en_process_rx_cq()
718 			       ((struct mlx4_err_cqe *)cqe)->vendor_err_syndrome,  in mlx4_en_process_rx_cq()
719 			       ((struct mlx4_err_cqe *)cqe)->syndrome);  in mlx4_en_process_rx_cq()
722 		if (unlikely(cqe->badfcs_enc & MLX4_CQE_BAD_FCS)) {  in mlx4_en_process_rx_cq()
764 		length = be32_to_cpu(cqe->byte_cnt);  in mlx4_en_process_rx_cq()
828 			u64 timestamp = mlx4_en_get_cqe_ts(cqe);  in mlx4_en_process_rx_cq()
838 			 * actually check cqe IPOK status bit and report  in mlx4_en_process_rx_cq()
841 			if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_TCP |  in mlx4_en_process_rx_cq()
843 			    (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&  in mlx4_en_process_rx_cq()
844 			    cqe->checksum == cpu_to_be16(0xffff)) {  in mlx4_en_process_rx_cq()
848 					(cqe->vlan_my_qpn & cpu_to_be32(MLX4_CQE_L2_TUNNEL));  in mlx4_en_process_rx_cq()
856 				      (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IP_ANY))))  in mlx4_en_process_rx_cq()
858 				if (check_csum(cqe, skb, va, dev->features))  in mlx4_en_process_rx_cq()
873 				     be32_to_cpu(cqe->immed_rss_invalid),  in mlx4_en_process_rx_cq()
876 		if ((cqe->vlan_my_qpn &  in mlx4_en_process_rx_cq()
880 					       be16_to_cpu(cqe->sl_vid));  in mlx4_en_process_rx_cq()
881 		else if ((cqe->vlan_my_qpn &  in mlx4_en_process_rx_cq()
885 					       be16_to_cpu(cqe->sl_vid));  in mlx4_en_process_rx_cq()
900 		cqe = mlx4_en_get_cqe(cq->buf, index, priv->cqe_size) + factor;  in mlx4_en_process_rx_cq()