#include <vnet/dpo/receive_dpo.h>
#include <vnet/dpo/ip_null_dpo.h>
#include <vnet/dpo/l3_proxy_dpo.h>
-#include <vnet/ip/ip6_neighbor.h>
-#include <vnet/ethernet/arp.h>
/**
* @file
*
*/
-clib_error_t *
-ip_interface_address_add_del (ip_lookup_main_t * lm,
- u32 sw_if_index,
- void *addr_fib,
- u32 address_length,
- u32 is_del, u32 * result_if_address_index)
-{
- vnet_main_t *vnm = vnet_get_main ();
- ip_interface_address_t *a, *prev, *next;
- uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib);
-
- vec_validate_init_empty (lm->if_address_pool_index_by_sw_if_index,
- sw_if_index, ~0);
- a = p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0;
-
- /* Verify given length. */
- if ((a && (address_length != a->address_length)) ||
- (address_length == 0) ||
- (lm->is_ip6 && address_length > 128) ||
- (!lm->is_ip6 && address_length > 32))
- {
- vnm->api_errno = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH;
- return clib_error_create
- ("%U wrong length (expected %d) for interface %U",
- lm->format_address_and_length, addr_fib,
- address_length, a ? a->address_length : -1,
- format_vnet_sw_if_index_name, vnm, sw_if_index);
- }
-
- if (is_del)
- {
- if (!a)
- {
- vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
- vnm->api_errno = VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE;
- return clib_error_create ("%U not found for interface %U",
- lm->format_address_and_length,
- addr_fib, address_length,
- format_vnet_sw_interface_name, vnm, si);
- }
-
- if (a->prev_this_sw_interface != ~0)
- {
- prev =
- pool_elt_at_index (lm->if_address_pool,
- a->prev_this_sw_interface);
- prev->next_this_sw_interface = a->next_this_sw_interface;
- }
- if (a->next_this_sw_interface != ~0)
- {
- next =
- pool_elt_at_index (lm->if_address_pool,
- a->next_this_sw_interface);
- next->prev_this_sw_interface = a->prev_this_sw_interface;
-
- if (a->prev_this_sw_interface == ~0)
- lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
- a->next_this_sw_interface;
- }
-
- if ((a->next_this_sw_interface == ~0)
- && (a->prev_this_sw_interface == ~0))
- lm->if_address_pool_index_by_sw_if_index[sw_if_index] = ~0;
-
- mhash_unset (&lm->address_to_if_address_index, addr_fib,
- /* old_value */ 0);
- pool_put (lm->if_address_pool, a);
-
- if (result_if_address_index)
- *result_if_address_index = ~0;
- }
-
- else if (!a)
- {
- u32 pi; /* previous index */
- u32 ai;
- u32 hi; /* head index */
-
- pool_get (lm->if_address_pool, a);
- clib_memset (a, ~0, sizeof (a[0]));
- ai = a - lm->if_address_pool;
-
- hi = pi = lm->if_address_pool_index_by_sw_if_index[sw_if_index];
- prev = 0;
- while (pi != (u32) ~ 0)
- {
- prev = pool_elt_at_index (lm->if_address_pool, pi);
- pi = prev->next_this_sw_interface;
- }
- pi = prev ? prev - lm->if_address_pool : (u32) ~ 0;
-
- a->address_key = mhash_set (&lm->address_to_if_address_index,
- addr_fib, ai, /* old_value */ 0);
- a->address_length = address_length;
- a->sw_if_index = sw_if_index;
- a->flags = 0;
- a->prev_this_sw_interface = pi;
- a->next_this_sw_interface = ~0;
- if (prev)
- prev->next_this_sw_interface = ai;
-
- lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
- (hi != ~0) ? hi : ai;
- if (result_if_address_index)
- *result_if_address_index = ai;
- }
- else
- {
- if (sw_if_index != a->sw_if_index)
- {
- if (result_if_address_index)
- *result_if_address_index = ~0;
- vnm->api_errno = VNET_API_ERROR_DUPLICATE_IF_ADDRESS;
- return clib_error_create
- ("Prefix %U already found on interface %U",
- lm->format_address_and_length, addr_fib, address_length,
- format_vnet_sw_if_index_name, vnm, a->sw_if_index);
- }
-
- if (result_if_address_index)
- *result_if_address_index = a - lm->if_address_pool;
- }
-
- return /* no error */ 0;
-}
-
static clib_error_t *
ip_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
u8 *
format_ip_adjacency_packet_data (u8 * s, va_list * args)
{
- u32 adj_index = va_arg (*args, u32);
u8 *packet_data = va_arg (*args, u8 *);
u32 n_packet_data_bytes = va_arg (*args, u32);
- ip_adjacency_t *adj;
-
- if (!adj_is_valid (adj_index))
- return format (s, "<invalid adjacency>");
- adj = adj_get (adj_index);
-
- switch (adj->lookup_next_index)
- {
- case IP_LOOKUP_NEXT_REWRITE:
- case IP_LOOKUP_NEXT_MCAST:
- s =
- format (s, "%U", format_hex_bytes, packet_data, n_packet_data_bytes);
- break;
-
- default:
- break;
- }
+ s = format (s, "%U", format_hex_bytes, packet_data, n_packet_data_bytes);
return s;
}
.path = "ip table",
.short_help = "ip table [add|del] <table-id>",
.function = vnet_ip4_table_cmd,
- .is_mp_safe = 1,
};
/* *INDENT-ON* */
.path = "ip6 table",
.short_help = "ip6 table [add|del] <table-id>",
.function = vnet_ip6_table_cmd,
- .is_mp_safe = 1,
};
static clib_error_t *
};
/* *INDENT-ON* */
-/*
- * The next two routines address a longstanding script hemorrhoid.
- * Probing a v4 or v6 neighbor needs to appear to be synchronous,
- * or dependent route-adds will simply fail.
- */
-static clib_error_t *
-ip6_probe_neighbor_wait (vlib_main_t * vm, ip6_address_t * a, u32 sw_if_index,
- int retry_count)
-{
- vnet_main_t *vnm = vnet_get_main ();
- clib_error_t *e;
- int i;
- int resolved = 0;
- uword event_type;
- uword *event_data = 0;
-
- ASSERT (vlib_in_process_context (vm));
-
- if (retry_count > 0)
- vnet_register_ip6_neighbor_resolution_event
- (vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
- 1 /* event */ , 0 /* data */ );
-
- for (i = 0; i < retry_count; i++)
- {
- /* The interface may be down, etc. */
- e = ip6_probe_neighbor (vm, a, sw_if_index, 0);
-
- if (e)
- return e;
-
- vlib_process_wait_for_event_or_clock (vm, 1.0);
- event_type = vlib_process_get_events (vm, &event_data);
- switch (event_type)
- {
- case 1: /* resolved... */
- vlib_cli_output (vm, "Resolved %U", format_ip6_address, a);
- resolved = 1;
- goto done;
-
- case ~0: /* timeout */
- break;
-
- default:
- clib_warning ("unknown event_type %d", event_type);
- }
- vec_reset_length (event_data);
- }
-
-done:
-
- if (!resolved)
- return clib_error_return (0, "Resolution failed for %U",
- format_ip6_address, a);
- return 0;
-}
-
-static clib_error_t *
-ip4_probe_neighbor_wait (vlib_main_t * vm, ip4_address_t * a, u32 sw_if_index,
- int retry_count)
-{
- vnet_main_t *vnm = vnet_get_main ();
- clib_error_t *e;
- int i;
- int resolved = 0;
- uword event_type;
- uword *event_data = 0;
-
- ASSERT (vlib_in_process_context (vm));
-
- if (retry_count > 0)
- vnet_register_ip4_arp_resolution_event
- (vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
- 1 /* event */ , 0 /* data */ );
-
- for (i = 0; i < retry_count; i++)
- {
- /* The interface may be down, etc. */
- e = ip4_probe_neighbor (vm, a, sw_if_index, 0);
-
- if (e)
- return e;
-
- vlib_process_wait_for_event_or_clock (vm, 1.0);
- event_type = vlib_process_get_events (vm, &event_data);
- switch (event_type)
- {
- case 1: /* resolved... */
- vlib_cli_output (vm, "Resolved %U", format_ip4_address, a);
- resolved = 1;
- goto done;
-
- case ~0: /* timeout */
- break;
-
- default:
- clib_warning ("unknown event_type %d", event_type);
- }
- vec_reset_length (event_data);
- }
-
-done:
-
- vec_reset_length (event_data);
-
- if (!resolved)
- return clib_error_return (0, "Resolution failed for %U",
- format_ip4_address, a);
- return 0;
-}
-
-static clib_error_t *
-probe_neighbor_address (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- vnet_main_t *vnm = vnet_get_main ();
- unformat_input_t _line_input, *line_input = &_line_input;
- ip4_address_t a4;
- ip6_address_t a6;
- clib_error_t *error = 0;
- u32 sw_if_index = ~0;
- int retry_count = 3;
- int is_ip4 = 1;
- int address_set = 0;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat_user (line_input, unformat_vnet_sw_interface, vnm,
- &sw_if_index))
- ;
- else if (unformat (line_input, "retry %d", &retry_count))
- ;
-
- else if (unformat (line_input, "%U", unformat_ip4_address, &a4))
- address_set++;
- else if (unformat (line_input, "%U", unformat_ip6_address, &a6))
- {
- address_set++;
- is_ip4 = 0;
- }
- else
- {
- error = clib_error_return (0, "unknown input '%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- if (sw_if_index == ~0)
- {
- error = clib_error_return (0, "Interface required, not set.");
- goto done;
- }
- if (address_set == 0)
- {
- error = clib_error_return (0, "ip address required, not set.");
- goto done;
- }
- if (address_set > 1)
- {
- error = clib_error_return (0, "Multiple ip addresses not supported.");
- goto done;
- }
-
- if (is_ip4)
- error = ip4_probe_neighbor_wait (vm, &a4, sw_if_index, retry_count);
- else
- error = ip6_probe_neighbor_wait (vm, &a6, sw_if_index, retry_count);
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-/*?
- * The '<em>ip probe-neighbor</em>' command ARPs for IPv4 addresses or
- * attempts IPv6 neighbor discovery depending on the supplied IP address
- * format.
- *
- * @note This command will not immediately affect the indicated FIB; it
- * is not suitable for use in establishing a FIB entry prior to adding
- * recursive FIB entries. As in: don't use it in a script to probe a
- * gateway prior to adding a default route. It won't work. Instead,
- * configure a static ARP cache entry [see '<em>set ip arp</em>'], or
- * a static IPv6 neighbor [see '<em>set ip6 neighbor</em>'].
- *
- * @cliexpar
- * Example of probe for an IPv4 address:
- * @cliexcmd{ip probe-neighbor GigabitEthernet2/0/0 172.16.1.2}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (ip_probe_neighbor_command, static) = {
- .path = "ip probe-neighbor",
- .function = probe_neighbor_address,
- .short_help = "ip probe-neighbor <interface> <ip4-addr> | <ip6-addr> [retry nn]",
- .is_mp_safe = 1,
-};
-/* *INDENT-ON* */
-
clib_error_t *
vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args)
{
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