[dpdk-dev] [PATCH 3/3] app/testpmd: add flow item to match on IPv4 version_ihl field
From: Gregory Etelson <hidden>
Date: 2021-06-30 07:05:33
Subsystem:
the rest · Maintainer:
Linus Torvalds
The new flow item allows PMD to offload IPv4 IHL field for matching, if hardware supports that operation. Signed-off-by: Gregory Etelson <redacted> --- app/test-pmd/cmdline_flow.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index 1c587bb7b8..c1c7b9a9f9 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c@@ -173,6 +173,7 @@ enum index { ITEM_VLAN_INNER_TYPE, ITEM_VLAN_HAS_MORE_VLAN, ITEM_IPV4, + ITEM_IPV4_VER_IHL, ITEM_IPV4_TOS, ITEM_IPV4_ID, ITEM_IPV4_FRAGMENT_OFFSET,
@@ -1071,6 +1072,7 @@ static const enum index item_vlan[] = { }; static const enum index item_ipv4[] = { + ITEM_IPV4_VER_IHL, ITEM_IPV4_TOS, ITEM_IPV4_ID, ITEM_IPV4_FRAGMENT_OFFSET,
@@ -2567,6 +2569,13 @@ static const struct token token_list[] = { .next = NEXT(item_ipv4), .call = parse_vc, }, + [ITEM_IPV4_VER_IHL] = { + .name = "version_ihl", + .help = "match header length", + .next = NEXT(item_ipv4, NEXT_ENTRY(UNSIGNED), item_param), + .args = ARGS(ARGS_ENTRY(struct rte_flow_item_ipv4, + hdr.version_ihl)), + }, [ITEM_IPV4_TOS] = { .name = "tos", .help = "type of service",
@@ -8123,7 +8132,8 @@ update_fields(uint8_t *buf, struct rte_flow_item *item, uint16_t next_proto) break; case RTE_FLOW_ITEM_TYPE_IPV4: ipv4 = (struct rte_ipv4_hdr *)buf; - ipv4->version_ihl = 0x45; + if (!ipv4->version_ihl) + ipv4->version_ihl = RTE_IPV4_VHL_DEF; if (next_proto && ipv4->next_proto_id == 0) ipv4->next_proto_id = (uint8_t)next_proto; break;
--
2.31.1