[PATCH v2] app/testpmd: add IP length field matching

[Bing Zhao]

Added support of parsing IPv4 total length and IPv6 payload length
in the command line. The value of L3 length can be passed to the
rte_flow API for testing.

Signed-off-by: Bing Zhao <bi...@nvidia.com>
---
 app/test-pmd/cmdline_flow.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index bd626e2347..cc47d6cb80 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -313,6 +313,7 @@ enum index {
        ITEM_IPV4,
        ITEM_IPV4_VER_IHL,
        ITEM_IPV4_TOS,
+       ITEM_IPV4_LENGTH,
        ITEM_IPV4_ID,
        ITEM_IPV4_FRAGMENT_OFFSET,
        ITEM_IPV4_TTL,
@@ -322,6 +323,7 @@ enum index {
        ITEM_IPV6,
        ITEM_IPV6_TC,
        ITEM_IPV6_FLOW,
+       ITEM_IPV6_LEN,
        ITEM_IPV6_PROTO,
        ITEM_IPV6_HOP,
        ITEM_IPV6_SRC,
@@ -1604,6 +1606,7 @@ static const enum index item_vlan[] = {
 static const enum index item_ipv4[] = {
        ITEM_IPV4_VER_IHL,
        ITEM_IPV4_TOS,
+       ITEM_IPV4_LENGTH,
        ITEM_IPV4_ID,
        ITEM_IPV4_FRAGMENT_OFFSET,
        ITEM_IPV4_TTL,
@@ -1617,6 +1620,7 @@ static const enum index item_ipv4[] = {
 static const enum index item_ipv6[] = {
        ITEM_IPV6_TC,
        ITEM_IPV6_FLOW,
+       ITEM_IPV6_LEN,
        ITEM_IPV6_PROTO,
        ITEM_IPV6_HOP,
        ITEM_IPV6_SRC,
@@ -4229,6 +4233,14 @@ static const struct token token_list[] = {
                .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
                                             hdr.type_of_service)),
        },
+       [ITEM_IPV4_LENGTH] = {
+               .name = "length",
+               .help = "total length",
+               .next = NEXT(item_ipv4, NEXT_ENTRY(COMMON_UNSIGNED),
+                            item_param),
+               .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
+                                            hdr.total_length)),
+       },
        [ITEM_IPV4_ID] = {
                .name = "packet_id",
                .help = "fragment packet id",
@@ -4302,6 +4314,14 @@ static const struct token token_list[] = {
                                                  hdr.vtc_flow,
                                                  "\x00\x0f\xff\xff")),
        },
+       [ITEM_IPV6_LEN] = {
+               .name = "length",
+               .help = "payload length",
+               .next = NEXT(item_ipv6, NEXT_ENTRY(COMMON_UNSIGNED),
+                            item_param),
+               .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
+                                            hdr.payload_len)),
+       },
        [ITEM_IPV6_PROTO] = {
                .name = "proto",
                .help = "protocol (next header)",
-- 
2.34.1