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authorNeale Ranns <nranns@cisco.com>2017-09-10 04:39:11 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-09-11 10:14:36 +0000
commit1500254bee11355bbd69cc1dd9705be4f002f2bd (patch)
treec403642105f399baccb3a727020232b5732fe8f7 /src/vnet/ip/lookup.c
parenta7191840beeb2c3a0f2598707ed1051a9f23c45f (diff)
FIB table add/delete API
part 2; - this adds the code to create an IP and MPLS table via the API. - but the enforcement that the table must be created before it is used is still missing, this is so that CSIT can pass. Change-Id: Id124d884ade6cb7da947225200e3bb193454c555 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ip/lookup.c')
-rwxr-xr-xsrc/vnet/ip/lookup.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/vnet/ip/lookup.c b/src/vnet/ip/lookup.c
index 5537bb04a40..667c67914d5 100755
--- a/src/vnet/ip/lookup.c
+++ b/src/vnet/ip/lookup.c
@@ -687,6 +687,78 @@ done:
return error;
}
+clib_error_t *
+vnet_ip_table_cmd (vlib_main_t * vm,
+ unformat_input_t * main_input,
+ vlib_cli_command_t * cmd, fib_protocol_t fproto)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ u32 table_id, is_add;
+
+ is_add = 1;
+ table_id = ~0;
+
+ /* Get a line of input. */
+ if (!unformat_user (main_input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%d", &table_id))
+ ;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ is_add = 1;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (~0 == table_id)
+ {
+ error = clib_error_return (0, "No table id");
+ goto done;
+ }
+ else if (0 == table_id)
+ {
+ error = clib_error_return (0, "Can't change the default table");
+ goto done;
+ }
+ else
+ {
+ if (is_add)
+ {
+ ip_table_create (fproto, table_id, 0);
+ }
+ else
+ {
+ ip_table_delete (fproto, table_id, 0);
+ }
+ }
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+clib_error_t *
+vnet_ip4_table_cmd (vlib_main_t * vm,
+ unformat_input_t * main_input, vlib_cli_command_t * cmd)
+{
+ return (vnet_ip_table_cmd (vm, main_input, cmd, FIB_PROTOCOL_IP4));
+}
+
+clib_error_t *
+vnet_ip6_table_cmd (vlib_main_t * vm,
+ unformat_input_t * main_input, vlib_cli_command_t * cmd)
+{
+ return (vnet_ip_table_cmd (vm, main_input, cmd, FIB_PROTOCOL_IP6));
+}
+
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_ip_command, static) = {
.path = "ip",
@@ -749,6 +821,159 @@ VLIB_CLI_COMMAND (ip_route_command, static) = {
.function = vnet_ip_route_cmd,
.is_mp_safe = 1,
};
+
+/* *INDENT-ON* */
+/*?
+ * This command is used to add or delete IPv4 Tables. All
+ * Tables must be explicitly added before that can be used. Creating a
+ * table will add both unicast and multicast FIBs
+ *
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip4_table_command, static) = {
+ .path = "ip table",
+ .short_help = "ip table [add|del] <table-id>",
+ .function = vnet_ip4_table_cmd,
+ .is_mp_safe = 1,
+};
+/* *INDENT-ON* */
+
+/* *INDENT-ON* */
+/*?
+ * This command is used to add or delete IPv4 Tables. All
+ * Tables must be explicitly added before that can be used. Creating a
+ * table will add both unicast and multicast FIBs
+ *
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_table_command, static) = {
+ .path = "ip6 table",
+ .short_help = "ip6 table [add|del] <table-id>",
+ .function = vnet_ip6_table_cmd,
+ .is_mp_safe = 1,
+};
+
+static clib_error_t *
+ip_table_bind_cmd (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd,
+ fib_protocol_t fproto)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
+ u32 sw_if_index, table_id;
+ int rv;
+
+ sw_if_index = ~0;
+
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ {
+ error = clib_error_return (0, "unknown interface `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ if (unformat (input, "%d", &table_id))
+ ;
+ else
+ {
+ error = clib_error_return (0, "expected table id `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ rv = ip_table_bind (fproto, sw_if_index, table_id, 0);
+
+ if (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE == rv)
+ {
+ error = clib_error_return (0, "IP addresses are still present on %U",
+ format_vnet_sw_if_index_name,
+ vnet_get_main(),
+ sw_if_index);
+ }
+ else if (VNET_API_ERROR_NO_SUCH_FIB == rv)
+ {
+ error = clib_error_return (0, "no such table %d", table_id);
+ }
+ else if (0 != rv)
+ {
+ error = clib_error_return (0, "unknown error");
+ }
+
+ done:
+ return error;
+}
+
+static clib_error_t *
+ip4_table_bind_cmd (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ return (ip_table_bind_cmd (vm , input, cmd, FIB_PROTOCOL_IP4));
+}
+
+static clib_error_t *
+ip6_table_bind_cmd (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ return (ip_table_bind_cmd (vm , input, cmd, FIB_PROTOCOL_IP6));
+}
+
+/*?
+ * Place the indicated interface into the supplied IPv4 FIB table (also known
+ * as a VRF). If the FIB table does not exist, this command creates it. To
+ * display the current IPv4 FIB table, use the command '<em>show ip fib</em>'.
+ * FIB table will only be displayed if a route has been added to the table, or
+ * an IP Address is assigned to an interface in the table (which adds a route
+ * automatically).
+ *
+ * @note IP addresses added after setting the interface IP table are added to
+ * the indicated FIB table. If an IP address is added prior to changing the
+ * table then this is an error. The control plane must remove these addresses
+ * first and then change the table. VPP will not automatically move the
+ * addresses from the old to the new table as it does not know the validity
+ * of such a change.
+ *
+ * @cliexpar
+ * Example of how to add an interface to an IPv4 FIB table (where 2 is the table-id):
+ * @cliexcmd{set interface ip table GigabitEthernet2/0/0 2}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_interface_ip_table_command, static) =
+{
+ .path = "set interface ip table",
+ .function = ip4_table_bind_cmd,
+ .short_help = "set interface ip table <interface> <table-id>",
+};
+/* *INDENT-ON* */
+
+/*?
+ * Place the indicated interface into the supplied IPv6 FIB table (also known
+ * as a VRF). If the FIB table does not exist, this command creates it. To
+ * display the current IPv6 FIB table, use the command '<em>show ip6 fib</em>'.
+ * FIB table will only be displayed if a route has been added to the table, or
+ * an IP Address is assigned to an interface in the table (which adds a route
+ * automatically).
+ *
+ * @note IP addresses added after setting the interface IP table are added to
+ * the indicated FIB table. If an IP address is added prior to changing the
+ * table then this is an error. The control plane must remove these addresses
+ * first and then change the table. VPP will not automatically move the
+ * addresses from the old to the new table as it does not know the validity
+ * of such a change.
+ *
+ * @cliexpar
+ * Example of how to add an interface to an IPv6 FIB table (where 2 is the table-id):
+ * @cliexcmd{set interface ip6 table GigabitEthernet2/0/0 2}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_interface_ip6_table_command, static) =
+{
+ .path = "set interface ip6 table",
+ .function = ip6_table_bind_cmd,
+ .short_help = "set interface ip6 table <interface> <table-id>"
+};
/* *INDENT-ON* */
clib_error_t *