From: Kiran Kumar K <kirankum...@marvell.com> Add new rte_flow_item_nsh in order to match the network service header based on RFC 8300.
Signed-off-by: Kiran Kumar K <kirankum...@marvell.com> --- lib/librte_ethdev/rte_flow.c | 1 + lib/librte_ethdev/rte_flow.h | 39 ++++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c index 18fcb018e..39646167c 100644 --- a/lib/librte_ethdev/rte_flow.c +++ b/lib/librte_ethdev/rte_flow.c @@ -75,6 +75,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = { MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)), MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)), MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)), + MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)), }; /** Generate flow_action[] entry. */ diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h index b66bf1495..f0e99fa3e 100644 --- a/lib/librte_ethdev/rte_flow.h +++ b/lib/librte_ethdev/rte_flow.h @@ -434,6 +434,13 @@ enum rte_flow_item_type { * @code rte_be32_t * @endcode */ RTE_FLOW_ITEM_TYPE_GRE_KEY, + + /** + * Matches Network service header (NSH). + * See struct rte_flow_item_nsh. + * + */ + RTE_FLOW_ITEM_TYPE_NSH, }; /** @@ -1214,6 +1221,38 @@ struct rte_flow_item_mark { uint32_t id; /**< Integer value to match against. */ }; +/** + * @warning + * @b EXPERIMENTAL: this structure may change without prior notice + * + * RTE_FLOW_ITEM_TYPE_NSH + * + * Match network service header (NSH), RFC 8300 + * + */ +struct rte_flow_item_nsh { + uint32_t version:2; + uint32_t oam_pkt:1; + uint32_t reserved:1; + uint32_t ttl:6; + uint32_t length:6; + uint32_t reserved1:4; + uint32_t mdtype:4; + uint32_t next_proto:8; + uint32_t spi:24; + uint32_t sindex:8; +}; + +/** Default mask for RTE_FLOW_ITEM_TYPE_NSH. */ +#ifndef __cplusplus +static const struct rte_flow_item_nsh rte_flow_item_nsh_mask = { + .mdtype = 0xf, + .next_proto = 0xff, + .spi = 0xffffff, + .sindex = 0xff, +}; +#endif + /** * Matching pattern item definition. * -- 2.17.1