diff options
Diffstat (limited to 'src/vnet/lisp-gpe/lisp_gpe.c')
| -rw-r--r-- | src/vnet/lisp-gpe/lisp_gpe.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/vnet/lisp-gpe/lisp_gpe.c b/src/vnet/lisp-gpe/lisp_gpe.c index 052410e2..ea6c143d 100644 --- a/src/vnet/lisp-gpe/lisp_gpe.c +++ b/src/vnet/lisp-gpe/lisp_gpe.c @@ -22,6 +22,9 @@ #include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h> #include <vnet/lisp-gpe/lisp_gpe_adjacency.h> #include <vnet/lisp-gpe/lisp_gpe_tenant.h> +#include <vnet/fib/fib_path_list.h> +#include <vnet/fib/fib_table.h> +#include <vnet/fib/fib_internal.h> /** LISP-GPE global state */ lisp_gpe_main_t lisp_gpe_main; @@ -387,6 +390,194 @@ VLIB_CLI_COMMAND (lisp_show_iface_command) = { }; /* *INDENT-ON* */ +/** CLI command to show GPE fwd native route path. */ +static clib_error_t * +gpe_show_native_fwd_rpath_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + lisp_gpe_main_t *lgm = &lisp_gpe_main; + fib_route_path_t *rpath; + + if (vec_len (lgm->native_fwd_rpath[IP4])) + { + vec_foreach (rpath, lgm->native_fwd_rpath[IP4]) + { + vlib_cli_output (vm, "nh: %U fib_index %u sw_if_index %u", + format_ip46_address, &rpath->frp_addr, 1, + rpath->frp_fib_index, rpath->frp_sw_if_index); + } + } + if (vec_len (lgm->native_fwd_rpath[IP6])) + { + vec_foreach (rpath, lgm->native_fwd_rpath[IP6]) + { + vlib_cli_output (vm, "nh: %U fib_index %u sw_if_index %u", + format_ip46_address, &rpath->frp_addr, 1, + rpath->frp_fib_index, rpath->frp_sw_if_index); + } + } + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (gpe_show_native_fwd_rpath_command) = { + .path = "show gpe native-forward", + .short_help = "show gpe native-forward", + .function = gpe_show_native_fwd_rpath_command_fn, +}; +/* *INDENT-ON* */ + +void +gpe_update_native_fwd_path (u8 ip_version) +{ + lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main (); + lisp_gpe_fwd_entry_t *lfe; + fib_prefix_t fib_prefix; + u32 *lfei; + + vec_foreach (lfei, lgm->native_fwd_lfes[ip_version]) + { + lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, lfei[0]); + ip_prefix_to_fib_prefix (&lfe->key->rmt.ippref, &fib_prefix); + fib_table_entry_update (lfe->eid_fib_index, &fib_prefix, FIB_SOURCE_LISP, + FIB_ENTRY_FLAG_NONE, + lgm->native_fwd_rpath[ip_version]); + } +} + +int +vnet_gpe_add_del_native_fwd_rpath (vnet_gpe_native_fwd_rpath_args_t * a) +{ + lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main (); + fib_route_path_t *rpath; + u8 ip_version; + + ip_version = a->rpath.frp_proto == FIB_PROTOCOL_IP4 ? IP4 : IP6; + + if (a->is_add) + { + vec_add1 (lgm->native_fwd_rpath[ip_version], a->rpath); + } + else + { + vec_foreach (rpath, lgm->native_fwd_rpath[ip_version]) + { + if (!fib_route_path_cmp (rpath, &a->rpath)) + { + vec_del1 (lgm->native_fwd_rpath[ip_version], + rpath - lgm->native_fwd_rpath[ip_version]); + break; + } + } + } + gpe_update_native_fwd_path (ip_version); + return 0; +} + +/** + * CLI command to add action for native forward. + */ +static clib_error_t * +gpe_native_forward_command_fn (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; + vnet_api_error_t rv; + fib_route_path_t rpath; + u32 table_id = ~0; + vnet_gpe_native_fwd_rpath_args_t _a, *a = &_a; + u8 is_add = 1; + clib_error_t *error = 0; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + memset (&rpath, 0, sizeof (rpath)); + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "table %d", &table_id)) + ; + else if (unformat (line_input, "del")) + is_add = 0; + else if (unformat (line_input, "via %U %U", + unformat_ip4_address, + &rpath.frp_addr.ip4, + unformat_vnet_sw_interface, vnm, + &rpath.frp_sw_if_index)) + { + rpath.frp_weight = 1; + rpath.frp_proto = FIB_PROTOCOL_IP4; + } + else if (unformat (line_input, "via %U %U", + unformat_ip6_address, + &rpath.frp_addr.ip6, + unformat_vnet_sw_interface, vnm, + &rpath.frp_sw_if_index)) + { + rpath.frp_weight = 1; + rpath.frp_proto = FIB_PROTOCOL_IP6; + } + else if (unformat (line_input, "via %U", + unformat_ip4_address, &rpath.frp_addr.ip4)) + { + rpath.frp_weight = 1; + rpath.frp_sw_if_index = ~0; + rpath.frp_proto = FIB_PROTOCOL_IP4; + } + else if (unformat (line_input, "via %U", + unformat_ip6_address, &rpath.frp_addr.ip6)) + { + rpath.frp_weight = 1; + rpath.frp_sw_if_index = ~0; + rpath.frp_proto = FIB_PROTOCOL_IP6; + } + else + { + return clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + } + } + + if ((u32) ~ 0 == table_id) + { + rpath.frp_fib_index = 0; + } + else + { + rpath.frp_fib_index = fib_table_find (rpath.frp_proto, table_id); + if ((u32) ~ 0 == rpath.frp_fib_index) + { + error = clib_error_return (0, "Nonexistent table id %d", table_id); + goto done; + } + } + + a->rpath = rpath; + a->is_add = is_add; + + rv = vnet_gpe_add_del_native_fwd_rpath (a); + if (rv) + { + return clib_error_return (0, "Error: couldn't add path!"); + } + +done: + return error; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (gpe_native_forward_command) = { + .path = "gpe native-forward", + .short_help = "gpe native-forward [del] via <nh-ip-addr> [iface] " + "[table <table>]", + .function = gpe_native_forward_command_fn, +}; +/* *INDENT-ON* */ + /** Format LISP-GPE status. */ u8 * format_vnet_lisp_gpe_status (u8 * s, va_list * args) |