[dpdk-dev] [PATCH v2 2/2] gro: support VxLAN GRO
Stephen Hemminger
stephen at networkplumber.org
Thu Dec 14 04:02:39 CET 2017
On Thu, 14 Dec 2017 10:49:39 +0800
Jiayu Hu <jiayu.hu at intel.com> wrote:
> + /* Don't merge packets whose outer DF bits are different. */
> + if (item->outer_is_atomic ^ outer_is_atomic)
unlikely() here?
> + return 0;
> +
> + l2_offset = pkt->outer_l2_len + pkt->outer_l3_len;
> + cmp = check_seq_option(&item->inner_item, tcp_hdr, sent_seq, ip_id,
> + tcp_hl, tcp_dl, l2_offset, is_atomic);
> + if ((cmp == 1) && (outer_is_atomic || (outer_ip_id ==
> + item->outer_ip_id +
> + item->inner_item.nb_merged)))
More readable if you break the line at the ||
> + /* Append the packet. */
> + return 1;
> + else if ((cmp == -1) && (outer_is_atomic || (outer_ip_id + 1 ==
> + item->outer_ip_id)))
else unecessary after return. Similar line break for readabilty.
> + /* Prepend the packet. */
> + return -1;
> + else
> + return 0;
> +}
> +
maybe?
if (cmp == 1) {
if (outer_is_atomic ||
outer_ip_id == item->outer_ip_id + item->inner_item.nb_merged)
return 1;
} else if (cmp == -1) {
if (uter_is_atomic || outer_ip_id + 1 == item->outer_ip_id)
return -1;
}
return 0;
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