[dpdk-dev] [PATCH v4] ethdev: add IPv4 and L4 checksum RSS offload types
From: Alvin Zhang <hidden>
Date: 2021-07-13 01:13:53
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
This patch defines new RSS offload types for IPv4 and L4(TCP/UDP/SCTP) checksum, which are required when users want to distribute packets based on the IPv4 or L4 checksum field. For example "flow create 0 ingress pattern eth / ipv4 / end actions rss types ipv4-chksum end queues end / end", this flow causes all matching packets to be distributed to queues on basis of IPv4 checksum. Signed-off-by: Alvin Zhang <redacted> Reviewed-by: Andrew Rybchenko <redacted> Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com> Acked-by: Aman Deep Singh <redacted> --- v3: Add L4 checksum RSS offload type v4: Add doc and help string, update commit log --- app/test-pmd/cmdline.c | 12 +++++++++--- app/test-pmd/config.c | 2 ++ lib/ethdev/rte_ethdev.h | 2 ++ 3 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 0268b18..93543d8 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c@@ -2254,6 +2254,10 @@ struct cmd_config_rss { rss_conf.rss_hf = ETH_RSS_ECPRI; else if (!strcmp(res->value, "mpls")) rss_conf.rss_hf = ETH_RSS_MPLS; + else if (!strcmp(res->value, "ipv4-chksum")) + rss_conf.rss_hf = ETH_RSS_IPV4_CHKSUM; + else if (!strcmp(res->value, "l4-chksum")) + rss_conf.rss_hf = ETH_RSS_L4_CHKSUM; else if (!strcmp(res->value, "none")) rss_conf.rss_hf = 0; else if (!strcmp(res->value, "level-default")) {
@@ -2325,7 +2329,7 @@ struct cmd_config_rss { .help_str = "port config all rss " "all|default|eth|vlan|ip|tcp|udp|sctp|ether|port|vxlan|geneve|" "nvgre|vxlan-gpe|l2tpv3|esp|ah|pfcp|ecpri|mpls|none|level-default|" - "level-outer|level-inner|<flowtype_id>", + "level-outer|level-inner|ipv4-chksum|l4-chksum|<flowtype_id>", .tokens = { (void *)&cmd_config_rss_port, (void *)&cmd_config_rss_keyword,
@@ -2438,7 +2442,8 @@ struct cmd_config_rss_hash_key { "ipv6-tcp-ex#ipv6-udp-ex#" "l3-src-only#l3-dst-only#l4-src-only#l4-dst-only#" "l2-src-only#l2-dst-only#s-vlan#c-vlan#" - "l2tpv3#esp#ah#pfcp#pppoe#gtpu#ecpri#mpls"); + "l2tpv3#esp#ah#pfcp#pppoe#gtpu#ecpri#mpls#" + "ipv4-chksum#l4-chksum"); cmdline_parse_token_string_t cmd_config_rss_hash_key_value = TOKEN_STRING_INITIALIZER(struct cmd_config_rss_hash_key, key, NULL);
@@ -2451,7 +2456,8 @@ struct cmd_config_rss_hash_key { "l2-payload|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|" "l3-src-only|l3-dst-only|l4-src-only|l4-dst-only|" "l2-src-only|l2-dst-only|s-vlan|c-vlan|" - "l2tpv3|esp|ah|pfcp|pppoe|gtpu|ecpri|mpls " + "l2tpv3|esp|ah|pfcp|pppoe|gtpu|ecpri|mpls|" + "ipv4-chksum|l4-chksum " "<string of hex digits (variable length, NIC dependent)>", .tokens = { (void *)&cmd_config_rss_hash_key_port,
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 43c79b5..14968bf 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c@@ -140,6 +140,8 @@ { "gtpu", ETH_RSS_GTPU }, { "ecpri", ETH_RSS_ECPRI }, { "mpls", ETH_RSS_MPLS }, + { "ipv4-chksum", ETH_RSS_IPV4_CHKSUM }, + { "l4-chksum", ETH_RSS_L4_CHKSUM }, { NULL, 0 }, };
diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
index faf3bd9..63b0321 100644
--- a/lib/ethdev/rte_ethdev.h
+++ b/lib/ethdev/rte_ethdev.h@@ -537,6 +537,8 @@ struct rte_eth_rss_conf { #define ETH_RSS_PPPOE (1ULL << 31) #define ETH_RSS_ECPRI (1ULL << 32) #define ETH_RSS_MPLS (1ULL << 33) +#define ETH_RSS_IPV4_CHKSUM (1ULL << 34) +#define ETH_RSS_L4_CHKSUM (1ULL << 35) /* TCP/UDP/SCTP */ /* * We use the following macros to combine with above ETH_RSS_* for
--
1.8.3.1