From 30f9f9f451531e41a1c51fe93ca965adb5a12e27 Mon Sep 17 00:00:00 2001 From: Kiran Kumar K Date: Thu, 25 Jul 2019 14:33:44 +0530 Subject: [PATCH] ethdev: add IGMP key field to flow API Add new rte_flow_item_igmp in order to match the Internet Group Management Protocol based on RFC 2236. Signed-off-by: Kiran Kumar K Reviewed-by: Ferruh Yigit --- doc/guides/prog_guide/rte_flow.rst | 12 ++++++++++++ lib/librte_ethdev/rte_flow.c | 1 + lib/librte_ethdev/rte_flow.h | 30 ++++++++++++++++++++++++++++++ 3 files changed, 43 insertions(+) diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst index 3428b65b20..799086aeba 100644 --- a/doc/guides/prog_guide/rte_flow.rst +++ b/doc/guides/prog_guide/rte_flow.rst @@ -1265,6 +1265,18 @@ Matches a network service header (RFC 8300). - Default ``mask`` matches mdtype, next_proto, spi, sindex. +Item: ``IGMP`` +^^^^^^^^^^^^^^ + +Matches a Internet Group Management Protocol (RFC 2236). + +- ``type``: IGMP message type (Query/Report). +- ``max_resp_time``: max time allowed before sending report. +- ``checksum``: checksum, 1s complement of whole IGMP message. +- ``group_addr``: group address, for Query value will be 0. +- Default ``mask`` matches group_addr. + + Actions ~~~~~~~ diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c index 62263ff244..2dfe88ca02 100644 --- a/lib/librte_ethdev/rte_flow.c +++ b/lib/librte_ethdev/rte_flow.c @@ -81,6 +81,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = { MK_FLOW_ITEM(PPPOE_PROTO_ID, sizeof(struct rte_flow_item_pppoe_proto_id)), MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)), + MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)), }; /** Generate flow_action[] entry. */ diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h index d1dcab8f81..350566cac8 100644 --- a/lib/librte_ethdev/rte_flow.h +++ b/lib/librte_ethdev/rte_flow.h @@ -477,6 +477,13 @@ enum rte_flow_item_type { * */ RTE_FLOW_ITEM_TYPE_NSH, + + /** + * Matches Internet Group Management Protocol (IGMP). + * See struct rte_flow_item_igmp. + * + */ + RTE_FLOW_ITEM_TYPE_IGMP, }; /** @@ -1346,6 +1353,29 @@ static const struct rte_flow_item_nsh rte_flow_item_nsh_mask = { }; #endif +/** + * @warning + * @b EXPERIMENTAL: this structure may change without prior notice + * + * RTE_FLOW_ITEM_TYPE_IGMP + * + * Match Internet Group Management Protocol (IGMP), RFC 2236 + * + */ +struct rte_flow_item_igmp { + uint32_t type:8; + uint32_t max_resp_time:8; + uint32_t checksum:16; + uint32_t group_addr; +}; + +/** Default mask for RTE_FLOW_ITEM_TYPE_IGMP. */ +#ifndef __cplusplus +static const struct rte_flow_item_igmp rte_flow_item_igmp_mask = { + .group_addr = 0xffffffff, +}; +#endif + /** * Matching pattern item definition. * -- 2.20.1