From 812e5f1d8985711df519c5c3d093009cd7d10265 Mon Sep 17 00:00:00 2001 From: Chenxu Di Date: Wed, 8 Jul 2020 01:18:40 +0000 Subject: [PATCH] net/i40e: enable flow query RSS This patch enables flow query function to get the configuration of the specified rule. Signed-off-by: Chenxu Di Acked-by: Jeff Guo --- doc/guides/rel_notes/release_20_08.rst | 1 + drivers/net/i40e/i40e_flow.c | 49 ++++++++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/doc/guides/rel_notes/release_20_08.rst b/doc/guides/rel_notes/release_20_08.rst index 17c3af42be..eb16d13ca9 100644 --- a/doc/guides/rel_notes/release_20_08.rst +++ b/doc/guides/rel_notes/release_20_08.rst @@ -134,6 +134,7 @@ New Features * Supported cloud filter for IPv4/6_TCP/UDP/SCTP with SRC port only or DST port only. * Re-implemented get_fdir_info and get_fdir_stat in private API. * Re-implemented set_gre_key_len in private API. + * Added support for flow query RSS. * **Updated the Intel ixgbe driver.** diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index 955aead583..7cd537340d 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -43,6 +43,10 @@ static int i40e_flow_destroy(struct rte_eth_dev *dev, struct rte_flow_error *error); static int i40e_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error); +static int i40e_flow_query(struct rte_eth_dev *dev, + struct rte_flow *flow, + const struct rte_flow_action *actions, + void *data, struct rte_flow_error *error); static int i40e_flow_parse_ethertype_pattern(struct rte_eth_dev *dev, const struct rte_flow_item *pattern, @@ -135,6 +139,7 @@ const struct rte_flow_ops i40e_flow_ops = { .create = i40e_flow_create, .destroy = i40e_flow_destroy, .flush = i40e_flow_flush, + .query = i40e_flow_query, }; static union i40e_filter_t cons_filter; @@ -5692,3 +5697,47 @@ i40e_flow_flush_rss_filter(struct rte_eth_dev *dev) return ret; } + +static int +i40e_flow_query(struct rte_eth_dev *dev __rte_unused, + struct rte_flow *flow, + const struct rte_flow_action *actions, + void *data, struct rte_flow_error *error) +{ + struct i40e_rss_filter *rss_rule = (struct i40e_rss_filter *)flow->rule; + enum rte_filter_type filter_type = flow->filter_type; + struct rte_flow_action_rss *rss_conf = data; + + if (!rss_rule) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, "Invalid rule"); + return -rte_errno; + } + + for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) { + switch (actions->type) { + case RTE_FLOW_ACTION_TYPE_VOID: + break; + case RTE_FLOW_ACTION_TYPE_RSS: + if (filter_type != RTE_ETH_FILTER_HASH) { + rte_flow_error_set(error, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ACTION, + actions, + "action not supported"); + return -rte_errno; + } + rte_memcpy(rss_conf, + &rss_rule->rss_filter_info.conf, + sizeof(struct rte_flow_action_rss)); + break; + default: + return rte_flow_error_set(error, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ACTION, + actions, + "action not supported"); + } + } + + return 0; +} -- 2.20.1