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authorPavel Kotucek <pavel.kotucek@pantheon.tech>2018-11-28 07:42:11 +0100
committerOle Trøan <otroan@employees.org>2018-12-07 12:24:52 +0000
commite88865d7bc9cd45b044f8aeadf1916c38e0eb165 (patch)
treea6dfb198549ff9f2335724e3ea7b0f942ad08540 /src/vnet/udp
parente6b58cf86affdf434a15f8833e959cded6c15784 (diff)
VPP-1506: dump local punts and registered punt sockets
Change-Id: If7835e9b80ec9402404bfc8d271eb11a10ef992b Signed-off-by: Pavel Kotucek <pavel.kotucek@pantheon.tech>
Diffstat (limited to 'src/vnet/udp')
-rw-r--r--src/vnet/udp/udp.c60
-rw-r--r--src/vnet/udp/udp.h1
-rw-r--r--src/vnet/udp/udp_local.c16
3 files changed, 77 insertions, 0 deletions
diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index ccac921b8b3..8c2daaf66e6 100644
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -441,6 +441,66 @@ udp_init (vlib_main_t * vm)
VLIB_INIT_FUNCTION (udp_init);
+static clib_error_t *
+show_udp_punt_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ udp_main_t *um = vnet_get_udp_main ();
+
+ clib_error_t *error = NULL;
+
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ return clib_error_return (0, "unknown input `%U'", format_unformat_error,
+ input);
+
+ udp_dst_port_info_t *port_info;
+ if (um->punt_unknown4)
+ {
+ vlib_cli_output (vm, "IPv4 UDP punt: enabled");
+ }
+ else
+ {
+ u8 *s = NULL;
+ vec_foreach (port_info, um->dst_port_infos[UDP_IP4])
+ {
+ if (udp_is_valid_dst_port (port_info->dst_port, 1))
+ {
+ s = format (s, (!s) ? "%d" : ", %d", port_info->dst_port);
+ }
+ }
+ s = format (s, "%c", 0);
+ vlib_cli_output (vm, "IPV4 UDP ports punt : %s", s);
+ }
+
+ if (um->punt_unknown6)
+ {
+ vlib_cli_output (vm, "IPv6 UDP punt: enabled");
+ }
+ else
+ {
+ u8 *s = NULL;
+ vec_foreach (port_info, um->dst_port_infos[UDP_IP6])
+ {
+ if (udp_is_valid_dst_port (port_info->dst_port, 01))
+ {
+ s = format (s, (!s) ? "%d" : ", %d", port_info->dst_port);
+ }
+ }
+ s = format (s, "%c", 0);
+ vlib_cli_output (vm, "IPV6 UDP ports punt : %s", s);
+ }
+
+ return (error);
+}
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_tcp_punt_command, static) =
+{
+ .path = "show udp punt",
+ .short_help = "show udp punt [ipv4|ipv6]",
+ .function = show_udp_punt_fn,
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vnet/udp/udp.h b/src/vnet/udp/udp.h
index 8b94a0088f6..19db4f81777 100644
--- a/src/vnet/udp/udp.h
+++ b/src/vnet/udp/udp.h
@@ -252,6 +252,7 @@ void udp_register_dst_port (vlib_main_t * vm,
u32 node_index, u8 is_ip4);
void udp_unregister_dst_port (vlib_main_t * vm,
udp_dst_port_t dst_port, u8 is_ip4);
+bool udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4);
void udp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);
diff --git a/src/vnet/udp/udp_local.c b/src/vnet/udp/udp_local.c
index bb7305d8d03..a16ba22cf27 100644
--- a/src/vnet/udp/udp_local.c
+++ b/src/vnet/udp/udp_local.c
@@ -549,6 +549,22 @@ udp_unregister_dst_port (vlib_main_t * vm, udp_dst_port_t dst_port, u8 is_ip4)
n[0] = SPARSE_VEC_INVALID_INDEX;
}
+bool
+udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4)
+{
+ udp_main_t *um = &udp_main;
+ u16 *n;
+
+ if (is_ip4)
+ n = sparse_vec_validate (um->next_by_dst_port4,
+ clib_host_to_net_u16 (dst_port));
+ else
+ n = sparse_vec_validate (um->next_by_dst_port6,
+ clib_host_to_net_u16 (dst_port));
+
+ return (n[0] != SPARSE_VEC_INVALID_INDEX);
+}
+
void
udp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add)
{