From: Ophir Munk <ophi...@mellanox.com>

IANA has assigned port 6081 as the fixed well-known destination port for
GENEVE. Nevertheless draft-ietf-nvo3-geneve-09 recommends that
implementations make this configurable.  This commit enables specifying
any positive UDP destination port number for GENEVE.

Signed-off-by: Ophir Munk <ophi...@mellanox.com>
---
 app/test-pmd/parameters.c             | 14 ++++++++++++--
 doc/guides/testpmd_app_ug/run_app.rst |  5 +++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 7845153..25e2935 100644
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -70,8 +70,8 @@ usage(char* progname)
               "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
               "--txpt= | --txht= | --txwt= | --txfreet= | "
               "--txrst= | --tx-offloads= | | --rx-offloads= | "
-              "--vxlan-gpe-port= | --record-core-cycles | "
-              "--record-burst-stats]\n",
+              "--vxlan-gpe-port= | --geneve-port= | "
+              "--record-core-cycles | --record-burst-stats]\n",
               progname);
 #ifdef RTE_LIBRTE_CMDLINE
        printf("  --interactive: run in interactive mode.\n");
@@ -200,6 +200,7 @@ usage(char* progname)
        printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue 
offloads\n");
        printf("  --hot-plug: enable hot plug for device.\n");
        printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
+       printf("  --geneve-port=N: UPD port of tunnel GENEVE\n");
        printf("  --mlockall: lock all memory\n");
        printf("  --no-mlockall: do not lock all memory\n");
        printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation 
method.\n"
@@ -667,6 +668,7 @@ launch_args_parse(int argc, char** argv)
                { "rx-offloads",                1, 0, 0 },
                { "hot-plug",                   0, 0, 0 },
                { "vxlan-gpe-port",             1, 0, 0 },
+               { "geneve-port",                1, 0, 0 },
                { "mlockall",                   0, 0, 0 },
                { "no-mlockall",                0, 0, 0 },
                { "mp-alloc",                   1, 0, 0 },
@@ -1303,6 +1305,14 @@ launch_args_parse(int argc, char** argv)
                                        rte_exit(EXIT_FAILURE,
                                                 "vxlan-gpe-port must be >= 
0\n");
                        }
+                       if (!strcmp(lgopts[opt_idx].name, "geneve-port")) {
+                               n = atoi(optarg);
+                               if (n >= 0)
+                                       geneve_udp_port = (uint16_t)n;
+                               else
+                                       rte_exit(EXIT_FAILURE,
+                                                "geneve-port must be >= 0\n");
+                       }
                        if (!strcmp(lgopts[opt_idx].name, "print-event"))
                                if (parse_event_printing_config(optarg, 1)) {
                                        rte_exit(EXIT_FAILURE,
diff --git a/doc/guides/testpmd_app_ug/run_app.rst 
b/doc/guides/testpmd_app_ug/run_app.rst
index e2539f6..dbd22f1 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -426,6 +426,11 @@ The command line options are:
     Set the UDP port number of tunnel VXLAN-GPE to N.
     The default value is 4790.
 
+*   ``--geneve-port=N``
+
+    Set the UDP port number of tunnel GENEVE to N.
+    The default value is 6081.
+
 *   ``--mlockall``
 
     Enable locking all memory.
-- 
2.8.4

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