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From: Ronan Randles <ronan.randles@intel.com>
To: dev@dpdk.org
Cc: Ronan Randles <ronan.randles@intel.com>
Subject: [PATCH v2 15/15] gen: add VXLAN support
Date: Fri, 21 Jan 2022 10:31:22 +0000	[thread overview]
Message-ID: <20220121103122.2926856-16-ronan.randles@intel.com> (raw)
In-Reply-To: <20220121103122.2926856-1-ronan.randles@intel.com>

This commit adds VXLAN parsing and logging functionality. Unit test with
additional test case to test_gen_packet_parse_string.

Signed-off-by: Ronan Randles <ronan.randles@intel.com>
---
 app/test/test_gen.c |  1 +
 lib/gen/rte_gen.c   | 50 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/app/test/test_gen.c b/app/test/test_gen.c
index a0b00d6a6e..f05851831a 100644
--- a/app/test/test_gen.c
+++ b/app/test/test_gen.c
@@ -138,6 +138,7 @@ test_gen_packet_parse_string(void)
 		{ .str = "Ether()/IP(src=1.2.3.fail,dst=5.6.7.8)",
 					.expected_to_fail = 1},
 		{ .str = "Ether()/IP()/UDP()"},
+		{ .str = "Ether()/IP()/UDP()/VXLAN()"},
 	};
 
 	uint32_t i;
diff --git a/lib/gen/rte_gen.c b/lib/gen/rte_gen.c
index 3a67ce8b6c..431ffc5b2a 100644
--- a/lib/gen/rte_gen.c
+++ b/lib/gen/rte_gen.c
@@ -12,6 +12,7 @@
 #include <rte_ether.h>
 #include <rte_ip.h>
 #include <rte_udp.h>
+#include <rte_vxlan.h>
 
 RTE_LOG_REGISTER(gen_logtype, lib.gen, NOTICE);
 
@@ -140,6 +141,7 @@ enum GEN_PROTO {
 	GEN_PROTO_ETHER,
 	GEN_PROTO_IPV4,
 	GEN_PROTO_UDP,
+	GEN_PROTO_VXLAN,
 
 	/* Must be last. */
 	GEN_PROTO_COUNT,
@@ -472,6 +474,10 @@ gen_parse_udp(struct gen_parser *parser, char *protocol_str)
 	int err = gen_parser_parse_next(parser, &inner);
 
 	switch (inner) {
+	case GEN_PROTO_VXLAN:
+		udp->src_port = rte_cpu_to_be_16(RTE_VXLAN_DEFAULT_PORT);
+		udp->dst_port = rte_cpu_to_be_16(RTE_VXLAN_DEFAULT_PORT);
+		break;
 	default:
 		/* default to DNS like other packet generation tools */
 		udp->src_port = rte_cpu_to_be_16(53);
@@ -490,6 +496,44 @@ gen_parse_udp(struct gen_parser *parser, char *protocol_str)
 	return err;
 }
 
+static int32_t
+gen_parse_vxlan(struct gen_parser *parser, char *protocol_str)
+{
+	RTE_SET_USED(protocol_str);
+	struct rte_vxlan_hdr *vxlan = gen_parser_get_data_ptr(parser);
+	memset(vxlan, 0, sizeof(*vxlan));
+
+	uint32_t input_vni = 1000;
+	vxlan->vx_vni = rte_cpu_to_be_32(input_vni << 8);
+
+	/* Move up write pointer in packet. */
+	parser->buf_write_offset += sizeof(*vxlan);
+
+	enum GEN_PROTO inner;
+	int err = gen_parser_parse_next(parser, &inner);
+
+	vxlan->vx_flag_bits = RTE_VXLAN_FLAGS_I;
+
+	switch (inner) {
+	default:
+	/* Not supporting VXLAN-GPE and next proto today. */
+	break;
+	}
+
+	return err;
+}
+
+static void
+gen_log_vxlan(void *data, const char *indent)
+{
+	struct rte_vxlan_hdr *vxlan = data;
+
+	GEN_LOG_PROTOCOL(DEBUG,
+			"###[ VXLAN ]###\n%svx_flags= %u\n%svx_vni= %u\n",
+			indent, rte_be_to_cpu_32(vxlan->vx_flags),
+			indent, rte_be_to_cpu_32(vxlan->vx_vni));
+}
+
 /* (Name, Function-pointer) pairs for supported parse types */
 typedef int32_t (*gen_parse_func)(struct gen_parser *parser,
 				char *protocol_str);
@@ -520,6 +564,12 @@ static struct gen_parse_func_t gen_protocols[] = {
 		.proto = GEN_PROTO_UDP,
 		.parse_func = gen_parse_udp,
 		.log_func = gen_log_udp,
+	},
+	{
+		.name = "VXLAN(",
+		.proto = GEN_PROTO_VXLAN,
+		.parse_func = gen_parse_vxlan,
+		.log_func = gen_log_vxlan,
 	}
 
 };
-- 
2.25.1


  parent reply	other threads:[~2022-01-21 10:33 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-14 14:12 [PATCH 00/12] add packet generator library and example app Ronan Randles
2021-12-14 14:12 ` [PATCH 01/12] net: add string to IPv4 parse function Ronan Randles
2021-12-14 17:31   ` Morten Brørup
2021-12-15  9:27     ` Bruce Richardson
2021-12-15  9:35       ` Morten Brørup
2021-12-15 10:11         ` Bruce Richardson
2022-01-19 14:20   ` Thomas Monjalon
2021-12-14 14:12 ` [PATCH 02/12] net: add function to pretty print IPv4 Ronan Randles
2021-12-14 16:08   ` Stephen Hemminger
2021-12-14 17:42     ` Morten Brørup
2021-12-14 17:31   ` Morten Brørup
2021-12-15  1:06     ` Ananyev, Konstantin
2021-12-15  3:20       ` Stephen Hemminger
2021-12-15  7:23         ` Morten Brørup
2021-12-15 13:06           ` Ananyev, Konstantin
2022-01-19 14:24             ` Thomas Monjalon
2022-01-19 14:41               ` Van Haaren, Harry
2021-12-14 14:12 ` [PATCH 03/12] gen: add files for initial traffic generation library Ronan Randles
2021-12-14 14:12 ` [PATCH 04/12] gen: add basic Rx and Tx routines and tests Ronan Randles
2021-12-14 14:12 ` [PATCH 05/12] gen: add raw packet data API " Ronan Randles
2021-12-15 12:40   ` Jerin Jacob
2021-12-17 11:40     ` Van Haaren, Harry
2021-12-17 16:19       ` Thomas Monjalon
2021-12-20 10:21         ` Van Haaren, Harry
2022-01-19 14:56           ` Thomas Monjalon
2022-01-20 10:21             ` Van Haaren, Harry
2022-01-21 10:45               ` Van Haaren, Harry
2021-12-20 13:21       ` Jerin Jacob
2022-01-21 14:20         ` Xueming(Steven) Li
2021-12-14 14:12 ` [PATCH 06/12] gen: add parsing infrastructure and Ether protocol Ronan Randles
2021-12-14 14:12 ` [PATCH 07/12] gen: add gen IP parsing Ronan Randles
2021-12-14 14:12 ` [PATCH 08/12] examples/generator: import code from basicfwd.c Ronan Randles
2021-12-14 14:12 ` [PATCH 09/12] examples/generator: enable gen library for traffic gen Ronan Randles
2021-12-14 14:12 ` [PATCH 10/12] examples/generator: telemetry support Ronan Randles
2021-12-14 14:12 ` [PATCH 11/12] examples/generator: link status check added Ronan Randles
2021-12-14 14:12 ` [PATCH 12/12] examples/generator: line rate limiting Ronan Randles
2021-12-14 16:10   ` Stephen Hemminger
2021-12-14 14:57 ` [PATCH 00/12] add packet generator library and example app Bruce Richardson
2021-12-14 15:59   ` Randles, Ronan
2022-01-12 16:18   ` Morten Brørup
2021-12-15 12:31 ` Jerin Jacob
2021-12-15 14:07   ` Bruce Richardson
2022-01-21 10:31 ` [PATCH v2 00/15] " Ronan Randles
2022-01-21 10:31   ` [PATCH v2 01/15] net: add string to IPv4 parse function Ronan Randles
2022-01-21 10:31   ` [PATCH v2 02/15] net: add function to pretty print IPv4 Ronan Randles
2022-01-21 16:20     ` Stephen Hemminger
2022-01-21 10:31   ` [PATCH v2 03/15] gen: add files for initial traffic generation library Ronan Randles
2022-01-21 10:31   ` [PATCH v2 04/15] gen: add basic Rx and Tx routines and tests Ronan Randles
2022-01-21 10:31   ` [PATCH v2 05/15] gen: add raw packet data API " Ronan Randles
2022-01-21 10:31   ` [PATCH v2 06/15] gen: add parsing infrastructure and Ether protocol Ronan Randles
2022-01-21 10:31   ` [PATCH v2 07/15] gen: add gen IP parsing Ronan Randles
2022-01-21 10:31   ` [PATCH v2 08/15] examples/generator: import code from basicfwd.c Ronan Randles
2022-01-21 10:31   ` [PATCH v2 09/15] examples/generator: enable gen library for traffic gen Ronan Randles
2022-01-21 10:31   ` [PATCH v2 10/15] examples/generator: telemetry support Ronan Randles
2022-01-21 10:31   ` [PATCH v2 11/15] examples/generator: link status check added Ronan Randles
2022-01-21 10:31   ` [PATCH v2 12/15] examples/generator: line rate limiting Ronan Randles
2022-01-21 10:31   ` [PATCH v2 13/15] gen: add UDP support Ronan Randles
2022-01-21 10:31   ` [PATCH v2 14/15] net/vxlan: instance flag endianness refactored Ronan Randles
2022-01-21 10:31   ` Ronan Randles [this message]
2022-01-21 14:44 ` [PATCH 00/12] add packet generator library and example app Xueming(Steven) Li
2022-01-21 15:24   ` Van Haaren, Harry
2022-01-24 10:48     ` Ananyev, Konstantin

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