[dpdk-dev] [PATCH v4 1/2] ethdev: add tunnel and port RSS offload types

[Jerin Jacob]

- added VXLAN, GENEVE and NVGRE tunnel flow types
- added PORT flow type for accounting physical/virtual
port or channel number in flow creation

Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 app/test-pmd/cmdline.c                      | 18 +++++++++++++++---
 app/test-pmd/config.c                       |  9 +++++++++
 doc/guides/testpmd_app_ug/testpmd_funcs.rst |  6 +++++-
 lib/librte_ether/rte_eth_ctrl.h             |  7 ++++++-
 lib/librte_ether/rte_ethdev.h               | 16 +++++++++++++++-
 5 files changed, 50 insertions(+), 6 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 9d3e4e8..b6b61ad 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -565,7 +565,7 @@ static void cmd_help_long_parsed(void *parsed_result,
 			"    Set crc-strip/scatter/rx-checksum/hardware-vlan/drop_en"
 			" for ports.\n\n"
 
-			"port config all rss (all|ip|tcp|udp|sctp|ether|none)\n"
+			"port config all rss (all|ip|tcp|udp|sctp|ether|port|vxlan|geneve|nvgre|none)\n"
 			"    Set the RSS mode.\n\n"
 
 			"port config port-id rss reta (hash,queue)[,(hash,queue)]\n"
@@ -1552,6 +1552,14 @@ cmd_config_rss_parsed(void *parsed_result,
 		rss_conf.rss_hf = ETH_RSS_SCTP;
 	else if (!strcmp(res->value, "ether"))
 		rss_conf.rss_hf = ETH_RSS_L2_PAYLOAD;
+	else if (!strcmp(res->value, "port"))
+		rss_conf.rss_hf = ETH_RSS_PORT;
+	else if (!strcmp(res->value, "vxlan"))
+		rss_conf.rss_hf = ETH_RSS_VXLAN;
+	else if (!strcmp(res->value, "geneve"))
+		rss_conf.rss_hf = ETH_RSS_GENEVE;
+	else if (!strcmp(res->value, "nvgre"))
+		rss_conf.rss_hf = ETH_RSS_NVGRE;
 	else if (!strcmp(res->value, "none"))
 		rss_conf.rss_hf = 0;
 	else {
@@ -1578,12 +1586,12 @@ cmdline_parse_token_string_t cmd_config_rss_name =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_rss, name, "rss");
 cmdline_parse_token_string_t cmd_config_rss_value =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_rss, value,
-		"all#ip#tcp#udp#sctp#ether#none");
+		"all#ip#tcp#udp#sctp#ether#port#vxlan#geneve#nvgre#none");
 
 cmdline_parse_inst_t cmd_config_rss = {
 	.f = cmd_config_rss_parsed,
 	.data = NULL,
-	.help_str = "port config all rss all|ip|tcp|udp|sctp|ether|none",
+	.help_str = "port config all rss all|ip|tcp|udp|sctp|ether|port|vxlan|geneve|nvgre|none",
 	.tokens = {
 		(void *)&cmd_config_rss_port,
 		(void *)&cmd_config_rss_keyword,
@@ -9499,6 +9507,10 @@ flowtype_to_str(uint16_t ftype)
 		{"ipv6-sctp", RTE_ETH_FLOW_NONFRAG_IPV6_SCTP},
 		{"ipv6-other", RTE_ETH_FLOW_NONFRAG_IPV6_OTHER},
 		{"l2_payload", RTE_ETH_FLOW_L2_PAYLOAD},
+		{"port", RTE_ETH_FLOW_PORT},
+		{"vxlan", RTE_ETH_FLOW_VXLAN},
+		{"geneve", RTE_ETH_FLOW_GENEVE},
+		{"nvgre", RTE_ETH_FLOW_NVGRE},
 	};
 
 	for (i = 0; i < RTE_DIM(ftype_table); i++) {
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index cb71c09..9ccabf9 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -138,6 +138,11 @@ static const struct rss_type_info rss_type_table[] = {
 	{ "ipv6-ex", ETH_RSS_IPV6_EX },
 	{ "ipv6-tcp-ex", ETH_RSS_IPV6_TCP_EX },
 	{ "ipv6-udp-ex", ETH_RSS_IPV6_UDP_EX },
+	{ "port", ETH_RSS_PORT },
+	{ "vxlan", ETH_RSS_VXLAN },
+	{ "geneve", ETH_RSS_GENEVE },
+	{ "nvgre", ETH_RSS_NVGRE },
+
 };
 
 static void
@@ -2119,6 +2124,10 @@ flowtype_to_str(uint16_t flow_type)
 		{"ipv6-sctp", RTE_ETH_FLOW_NONFRAG_IPV6_SCTP},
 		{"ipv6-other", RTE_ETH_FLOW_NONFRAG_IPV6_OTHER},
 		{"l2_payload", RTE_ETH_FLOW_L2_PAYLOAD},
+		{"port", RTE_ETH_FLOW_PORT},
+		{"vxlan", RTE_ETH_FLOW_VXLAN},
+		{"geneve", RTE_ETH_FLOW_GENEVE},
+		{"nvgre", RTE_ETH_FLOW_NVGRE},
 	};
 
 	for (i = 0; i < RTE_DIM(flowtype_str_table); i++) {
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 4e19229..30e410d 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -179,6 +179,10 @@ For example:
      ipv6-sctp
      ipv6-other
      l2_payload
+     port
+     vxlan
+     geneve
+     nvgre
 
 show port rss reta
 ~~~~~~~~~~~~~~~~~~
@@ -1286,7 +1290,7 @@ port config - RSS
 
 Set the RSS (Receive Side Scaling) mode on or off::
 
-   testpmd> port config all rss (all|ip|tcp|udp|sctp|ether|none)
+   testpmd> port config all rss (all|ip|tcp|udp|sctp|ether|port|vxlan|geneve|nvgre|none)
 
 RSS is on by default.
 
diff --git a/lib/librte_ether/rte_eth_ctrl.h b/lib/librte_ether/rte_eth_ctrl.h
index b8c7be9..c04a488 100644
--- a/lib/librte_ether/rte_eth_ctrl.h
+++ b/lib/librte_ether/rte_eth_ctrl.h
@@ -74,7 +74,12 @@ extern "C" {
 #define RTE_ETH_FLOW_IPV6_EX            15
 #define RTE_ETH_FLOW_IPV6_TCP_EX        16
 #define RTE_ETH_FLOW_IPV6_UDP_EX        17
-#define RTE_ETH_FLOW_MAX                18
+#define RTE_ETH_FLOW_PORT               18
+	/**< Physical/virtual port number based flow */
+#define RTE_ETH_FLOW_VXLAN              19 /**< VXLAN protocol based flow */
+#define RTE_ETH_FLOW_GENEVE             20 /**< GENEVE protocol based flow */
+#define RTE_ETH_FLOW_NVGRE              21 /**< NVGRE protocol based flow */
+#define RTE_ETH_FLOW_MAX                22
 
 /**
  * Feature filter types
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index bd93bf6..1579cb0 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -413,6 +413,10 @@ struct rte_eth_rss_conf {
 #define ETH_RSS_IPV6_EX            (1ULL << RTE_ETH_FLOW_IPV6_EX)
 #define ETH_RSS_IPV6_TCP_EX        (1ULL << RTE_ETH_FLOW_IPV6_TCP_EX)
 #define ETH_RSS_IPV6_UDP_EX        (1ULL << RTE_ETH_FLOW_IPV6_UDP_EX)
+#define ETH_RSS_PORT               (1ULL << RTE_ETH_FLOW_PORT)
+#define ETH_RSS_VXLAN              (1ULL << RTE_ETH_FLOW_VXLAN)
+#define ETH_RSS_GENEVE             (1ULL << RTE_ETH_FLOW_GENEVE)
+#define ETH_RSS_NVGRE              (1ULL << RTE_ETH_FLOW_NVGRE)
 
 #define ETH_RSS_IP ( \
 	ETH_RSS_IPV4 | \
@@ -437,6 +441,12 @@ struct rte_eth_rss_conf {
 	ETH_RSS_NONFRAG_IPV4_SCTP | \
 	ETH_RSS_NONFRAG_IPV6_SCTP)
 
+#define ETH_RSS_TUNNEL ( \
+	ETH_RSS_VXLAN  | \
+	ETH_RSS_GENEVE | \
+	ETH_RSS_NVGRE)
+
+
 /**< Mask of valid RSS hash protocols */
 #define ETH_RSS_PROTO_MASK ( \
 	ETH_RSS_IPV4 | \
@@ -454,7 +464,11 @@ struct rte_eth_rss_conf {
 	ETH_RSS_L2_PAYLOAD | \
 	ETH_RSS_IPV6_EX | \
 	ETH_RSS_IPV6_TCP_EX | \
-	ETH_RSS_IPV6_UDP_EX)
+	ETH_RSS_IPV6_UDP_EX | \
+	ETH_RSS_PORT  | \
+	ETH_RSS_VXLAN | \
+	ETH_RSS_GENEVE | \
+	ETH_RSS_NVGRE)
 
 /*
  * Definitions used for redirection table entry size.
-- 
2.5.5