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authorNeale Ranns <nranns@cisco.com>2018-06-07 23:48:20 -0700
committerFlorin Coras <florin.coras@gmail.com>2018-07-09 21:10:53 +0000
commit947ea6222dad1ef04595c34273e9231395aef443 (patch)
tree8990854b2901ff8cc2241b9abfc99b0b4b54d517 /src/plugins/igmp/igmp_cli.c
parentdd47ecadcf63772a6037a1bb3715772d80e87f51 (diff)
IGMP improvements
- Enable/Disable an interface for IGMP - improve logging - refactor common code - no orphaned timers - IGMP state changes in main thread only - Large groups split over multiple state-change reports - SSM range configuration API. - more tests Change-Id: If5674f1044e7e97274a711f47807c9ba689d7b9a Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/plugins/igmp/igmp_cli.c')
-rw-r--r--src/plugins/igmp/igmp_cli.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/src/plugins/igmp/igmp_cli.c b/src/plugins/igmp/igmp_cli.c
new file mode 100644
index 00000000000..5f09589c644
--- /dev/null
+++ b/src/plugins/igmp/igmp_cli.c
@@ -0,0 +1,263 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <stdint.h>
+#include <sys/ioctl.h>
+#include <inttypes.h>
+
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vnet/ip/ip.h>
+#include <vnet/fib/fib_entry.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/mfib/mfib_table.h>
+
+#include <igmp/igmp.h>
+
+static clib_error_t *
+igmp_clear_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 sw_if_index;
+
+ igmp_config_t *config;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ {
+ error =
+ clib_error_return (0, "'help clear igmp' or 'clear igmp ?' for help");
+ return error;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (line_input, "int %U", unformat_vnet_sw_interface, vnm,
+ &sw_if_index));
+ else
+ {
+ error =
+ clib_error_return (0, "unknown input '%U'", format_unformat_error,
+ line_input);
+ goto done;
+ }
+ }
+
+ config = igmp_config_lookup (sw_if_index);
+ if (config)
+ igmp_clear_config (config);
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (igmp_clear_interface_command, static) = {
+ .path = "clear igmp",
+ .short_help = "clear igmp int <interface>",
+ .function = igmp_clear_interface_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+igmp_listen_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ u8 enable = 1;
+ ip46_address_t saddr, gaddr;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 sw_if_index;
+ int rv;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ {
+ error =
+ clib_error_return (0,
+ "'help igmp listen' or 'igmp listen ?' for help");
+ return error;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "enable"))
+ enable = 1;
+ else if (unformat (line_input, "disable"))
+ enable = 0;
+ else
+ if (unformat
+ (line_input, "int %U", unformat_vnet_sw_interface, vnm,
+ &sw_if_index));
+ else
+ if (unformat (line_input, "saddr %U", unformat_ip46_address, &saddr));
+ else
+ if (unformat (line_input, "gaddr %U", unformat_ip46_address, &gaddr));
+ else
+ {
+ error =
+ clib_error_return (0, "unknown input '%U'", format_unformat_error,
+ line_input);
+ goto done;
+ }
+ }
+
+ if ((vnet_sw_interface_get_flags (vnm, sw_if_index)
+ && VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
+ {
+ error = clib_error_return (0, "Interface is down");
+ goto done;
+ }
+
+ rv = igmp_listen (vm, enable, sw_if_index, &saddr, &gaddr);
+
+ if (rv == -1)
+ {
+ if (enable)
+ error =
+ clib_error_return (0, "This igmp configuration already exists");
+ else
+ error =
+ clib_error_return (0, "This igmp configuration does not nexist");
+ }
+ else if (rv == -2)
+ error =
+ clib_error_return (0,
+ "Failed to add configuration, interface is in router mode");
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (igmp_listen_command, static) = {
+ .path = "igmp listen",
+ .short_help = "igmp listen [<enable|disable>] "
+ "int <interface> saddr <ip4-address> gaddr <ip4-address>",
+ .function = igmp_listen_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+igmp_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = NULL;
+ igmp_main_t *im = &igmp_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ igmp_config_t *config;
+ igmp_group_t *group;
+ igmp_src_t *src;
+
+ /* *INDENT-OFF* */
+ pool_foreach (config, im->configs,
+ ({
+ vlib_cli_output (vm, "interface: %U", format_vnet_sw_if_index_name,
+ vnm, config->sw_if_index);
+
+ FOR_EACH_GROUP (group, config,
+ ({
+ vlib_cli_output (vm, "\t%U", format_igmp_key, group->key);
+ FOR_EACH_SRC (src, group, IGMP_FILTER_MODE_INCLUDE,
+ ({
+ vlib_cli_output (vm, "\t\t%U", format_igmp_key, src->key);
+ }));
+ }));
+ }));
+ /* *INDENT-ON* */
+
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (igmp_show_command, static) = {
+ .path = "show igmp config",
+ .short_help = "show igmp config",
+ .function = igmp_show_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+igmp_show_timers_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+#define _(n,f) vlib_cli_output (vm, "%s: %d", #f, igmp_timer_type_get(n));
+ foreach_igmp_timer_type
+#undef _
+ return (NULL);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (igmp_show_timers_command, static) = {
+ .path = "show igmp timers",
+ .short_help = "show igmp timers",
+ .function = igmp_show_timers_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+test_igmp_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = NULL;
+ u32 value;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "query %d", &value))
+ igmp_timer_type_set (IGMP_TIMER_QUERY, value);
+ else if (unformat (input, "src %d", &value))
+ igmp_timer_type_set (IGMP_TIMER_SRC, value);
+ else if (unformat (input, "leave %d", &value))
+ igmp_timer_type_set (IGMP_TIMER_LEAVE, value);
+ else
+ error = clib_error_return (0, "query or src timers only");
+ }
+
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (test_igmp_command, static) = {
+ .path = "test igmp timers",
+ .short_help = "Change the default values for IGMP timers - only sensible during unit tests",
+ .function = test_igmp_command_fn,
+};
+/* *INDENT-ON* */
+
+
+clib_error_t *
+igmp_cli_init (vlib_main_t * vm)
+{
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (igmp_cli_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */