Re: [PATCH net-next 8/8] net/mlx4_en: Extend checksum offloading by CHECKSUM COMPLETE
From: Yann Ylavic <hidden>
Date: 2014-10-31 00:38:14
From: Yann Ylavic <hidden>
Date: 2014-10-31 00:38:14
Hi, On Thu, Oct 30, 2014 at 5:06 PM, Or Gerlitz [off-list ref] wrote: [...]
+static int check_csum(struct mlx4_cqe *cqe, struct sk_buff *skb, int hwtstamp_rx_filter)
+{
+ __wsum hw_checksum = 0;
+
+ void *hdr = (u8 *)skb->data + sizeof(struct ethhdr);
+
+ hw_checksum = csum_unfold((__force __sum16)cqe->checksum);
+
+ if (((struct ethhdr *)skb->data)->h_proto == htons(ETH_P_8021Q) &&
+ hwtstamp_rx_filter != HWTSTAMP_FILTER_NONE) {
+ /* next protocol non IPv4 or IPv6 */
+ if (((struct vlan_hdr *)hdr)->h_vlan_encapsulated_proto
+ != htons(ETH_P_IP) ||Shouldn't this be a AND (&&)?
+ ((struct vlan_hdr *)hdr)->h_vlan_encapsulated_proto + != htons(ETH_P_IPV6)) + return -1;
Regards, Yann.