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app/testpmd: enable UDP GSO in csum engine

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This patch enables GSO for UDP/IPv4 packets. Oversized UDP/IPv4
packets transmitted over a GSO-enabled port will undergo segmentation.

Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Acked-by: Xiao Wang <xiao.w.wang@intel.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
Tested-by: Yuwei Zhang <yuwei1.zhang@intel.com>
This commit is contained in:
Jiayu Hu 2018-07-06 09:02:23 +08:00 committed by Thomas Monjalon
parent b166d4f30b
commit aaacd052ce
3 changed files with 6 additions and 3 deletions
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5
app/test-pmd/cmdline.c
View File

@ -4802,8 +4802,9 @@ cmd_gso_show_parsed(void *parsed_result,
if (gso_ports[res->cmd_pid].enable) {
printf("Max GSO'd packet size: %uB\n"
"Supported GSO types: TCP/IPv4, "
"VxLAN with inner TCP/IPv4 packet, "
"GRE with inner TCP/IPv4 packet\n",
"UDP/IPv4, VxLAN with inner "
"TCP/IPv4 packet, GRE with inner "
"TCP/IPv4 packet\n",
gso_max_segment_size);
} else
printf("GSO is not enabled on Port %u\n", res->cmd_pid);

2
app/test-pmd/csumonly.c
View File

@ -411,6 +411,8 @@ process_inner_cksums(void *l3_hdr, const struct testpmd_offload_info *info,
info->ethertype);
}
}
if (info->gso_enable)
ol_flags |= PKT_TX_UDP_SEG;
} else if (info->l4_proto == IPPROTO_TCP) {
tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len);
tcp_hdr->cksum = 0;

2
app/test-pmd/testpmd.c
View File

@ -776,7 +776,7 @@ init_config(void)
init_port_config();
gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
DEV_TX_OFFLOAD_GRE_TNL_TSO;
DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_UDP_TSO;
/*
* Records which Mbuf pool to use by each logical core, if needed.
*/