From: Hemant Agrawal <hemant.agrawal@nxp.com>
Date: Wed, 20 Jan 2021 06:22:37 +0000 (+0530)
Subject: ethdev: add MPLS RSS offload type
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d810252857c9;p=dpdk.git

ethdev: add MPLS RSS offload type

This patch defines new RSS offload types for MPLS. The distribution
will on the basis of MPLS tag.

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
---

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 89034c8b72..c6ace2dd25 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -788,7 +788,7 @@ static void cmd_help_long_parsed(void *parsed_result,
 			"receive buffers available.\n\n"
 
 			"port config all rss (all|default|ip|tcp|udp|sctp|"
-			"ether|port|vxlan|geneve|nvgre|vxlan-gpe|ecpri|none|level-default|"
+			"ether|port|vxlan|geneve|nvgre|vxlan-gpe|ecpri|mpls|none|level-default|"
 			"level-outer|level-inner|<flowtype_id>)\n"
 			"    Set the RSS mode.\n\n"
 
@@ -2220,6 +2220,8 @@ cmd_config_rss_parsed(void *parsed_result,
 		rss_conf.rss_hf = ETH_RSS_GTPU;
 	else if (!strcmp(res->value, "ecpri"))
 		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, "none"))
 		rss_conf.rss_hf = 0;
 	else if (!strcmp(res->value, "level-default")) {
@@ -2290,7 +2292,7 @@ cmdline_parse_inst_t cmd_config_rss = {
 	.data = NULL,
 	.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|none|level-default|"
+		"nvgre|vxlan-gpe|l2tpv3|esp|ah|pfcp|ecpri|mpls|none|level-default|"
 		"level-outer|level-inner|<flowtype_id>",
 	.tokens = {
 		(void *)&cmd_config_rss_port,
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 458f25bb63..3ccc9fc300 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -2270,7 +2270,7 @@ port config - RSS
 
 Set the RSS (Receive Side Scaling) mode on or off::
 
-   testpmd> port config all rss (all|default|eth|vlan|ip|tcp|udp|sctp|ether|port|vxlan|geneve|nvgre|vxlan-gpe|l2tpv3|esp|ah|pfcp|ecpri|none)
+   testpmd> 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)
 
 RSS is on by default.
 
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index d36d3a424c..667373f06f 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -530,6 +530,7 @@ struct rte_eth_rss_conf {
 #define ETH_RSS_PFCP               (1ULL << 30)
 #define ETH_RSS_PPPOE		   (1ULL << 31)
 #define ETH_RSS_ECPRI		   (1ULL << 32)
+#define ETH_RSS_MPLS		   (1ULL << 33)
 
 /*
  * We use the following macros to combine with above ETH_RSS_* for
@@ -761,7 +762,8 @@ rte_eth_rss_hf_refine(uint64_t rss_hf)
 	ETH_RSS_PORT  | \
 	ETH_RSS_VXLAN | \
 	ETH_RSS_GENEVE | \
-	ETH_RSS_NVGRE)
+	ETH_RSS_NVGRE | \
+	ETH_RSS_MPLS)
 
 /*
  * Definitions used for redirection table entry size.