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IB/core: Set correct payload length for RoCEv2 over IPv6

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For GSI QP traffic, the count of the udp header bytes was missing from
the IPv6 header, fix that.

Fixes: 25f40220e5 ('IB/core: Initialize UD header structure with IP
                     and UDP headers')
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Moni Shoua 2016-01-28 17:51:50 +02:00 committed by Doug Ledford
parent 01581fb89e
commit 1c5e080990
1 changed files with 4 additions and 3 deletions
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7
drivers/infiniband/core/ud_header.c
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@ -322,6 +322,8 @@ int ib_ud_header_init(int payload_bytes,
int immediate_present,
struct ib_ud_header *header)
{
size_t udp_bytes = udp_present ? IB_UDP_BYTES : 0;
grh_present = grh_present && !ip_version;
memset(header, 0, sizeof *header);
@ -353,7 +355,8 @@ int ib_ud_header_init(int payload_bytes,
if (ip_version == 6 || grh_present) {
header->grh.ip_version = 6;
header->grh.payload_length =
cpu_to_be16((IB_BTH_BYTES +
cpu_to_be16((udp_bytes +
IB_BTH_BYTES +
IB_DETH_BYTES +
payload_bytes +
4 + /* ICRC */
@ -362,8 +365,6 @@ int ib_ud_header_init(int payload_bytes,
}
if (ip_version == 4) {
int udp_bytes = udp_present ? IB_UDP_BYTES : 0;
header->ip4.ver = 4; /* version 4 */
header->ip4.hdr_len = 5; /* 5 words */
header->ip4.tot_len =