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app/testpmd: support more GRE extension in csum engine

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This patch adds GRE checksum and sequence extension supports in addtion
to key extension to csum forwarding engine.

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
This commit is contained in:
Xueming Li 2018-04-23 20:16:35 +08:00 committed by Ferruh Yigit
parent 39e5e20f0d
commit ad93fb8c9d
1 changed files with 12 additions and 8 deletions
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20
app/test-pmd/csumonly.c
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@ -49,9 +49,12 @@
#define IP_HDRLEN 0x05 /* default IP header length == five 32-bits words. */
#define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
#define GRE_KEY_PRESENT 0x2000
#define GRE_KEY_LEN 4
#define GRE_SUPPORTED_FIELDS GRE_KEY_PRESENT
#define GRE_CHECKSUM_PRESENT 0x8000
#define GRE_KEY_PRESENT 0x2000
#define GRE_SEQUENCE_PRESENT 0x1000
#define GRE_EXT_LEN 4
#define GRE_SUPPORTED_FIELDS (GRE_CHECKSUM_PRESENT | GRE_KEY_PRESENT |\
GRE_SEQUENCE_PRESENT)
/* We cannot use rte_cpu_to_be_16() on a constant in a switch/case */
#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
@ -269,14 +272,14 @@ parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
struct ipv6_hdr *ipv6_hdr;
uint8_t gre_len = 0;
/* check which fields are supported */
if ((gre_hdr->flags & _htons(~GRE_SUPPORTED_FIELDS)) != 0)
return;
gre_len += sizeof(struct simple_gre_hdr);
if (gre_hdr->flags & _htons(GRE_KEY_PRESENT))
gre_len += GRE_KEY_LEN;
gre_len += GRE_EXT_LEN;
if (gre_hdr->flags & _htons(GRE_SEQUENCE_PRESENT))
gre_len += GRE_EXT_LEN;
if (gre_hdr->flags & _htons(GRE_CHECKSUM_PRESENT))
gre_len += GRE_EXT_LEN;
if (gre_hdr->proto == _htons(ETHER_TYPE_IPv4)) {
info->is_tunnel = 1;
@ -815,6 +818,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
/* step 3: fill the mbuf meta data (flags and header lengths) */
m->tx_offload = 0;
if (info.is_tunnel == 1) {
if (info.tunnel_tso_segsz ||
(tx_offloads &