+++ /dev/null
-/*
- * nsh.c - nsh mapping
- *
- * Copyright (c) 2013 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 <vlib/vlib.h>
-#include <vnet/pg/pg.h>
-#include <vnet/nsh/nsh.h>
-
-
-typedef struct {
- nsh_header_t nsh_header;
-} nsh_input_trace_t;
-
-u8 * format_nsh_header (u8 * s, va_list * args)
-{
- nsh_header_t * nsh = va_arg (*args, nsh_header_t *);
-
- s = format (s, "nsh ver %d ", (nsh->ver_o_c>>6));
- if (nsh->ver_o_c & NSH_O_BIT)
- s = format (s, "O-set ");
-
- if (nsh->ver_o_c & NSH_C_BIT)
- s = format (s, "C-set ");
-
- s = format (s, "len %d (%d bytes) md_type %d next_protocol %d\n",
- nsh->length, nsh->length * 4, nsh->md_type, nsh->next_protocol);
-
- s = format (s, " service path %d service index %d\n",
- (nsh->nsp_nsi>>NSH_NSP_SHIFT) & NSH_NSP_MASK,
- nsh->nsp_nsi & NSH_NSI_MASK);
-
- s = format (s, " c1 %d c2 %d c3 %d c4 %d\n",
- nsh->c1, nsh->c2, nsh->c3, nsh->c4);
-
- return s;
-}
-
-u8 * format_nsh_map (u8 * s, va_list * args)
-{
- nsh_map_t * map = va_arg (*args, nsh_map_t *);
-
- s = format (s, "nsh entry nsp: %d nsi: %d ",
- (map->nsp_nsi>>NSH_NSP_SHIFT) & NSH_NSP_MASK,
- map->nsp_nsi & NSH_NSI_MASK);
- s = format (s, "maps to nsp: %d nsi: %d ",
- (map->mapped_nsp_nsi>>NSH_NSP_SHIFT) & NSH_NSP_MASK,
- map->mapped_nsp_nsi & NSH_NSI_MASK);
-
- switch (map->next_node)
- {
- case NSH_INPUT_NEXT_ENCAP_GRE:
- {
- s = format (s, "encapped by GRE intf: %d", map->sw_if_index);
- break;
- }
- case NSH_INPUT_NEXT_ENCAP_VXLANGPE:
- {
- s = format (s, "encapped by VXLAN GPE intf: %d", map->sw_if_index);
- break;
- }
- default:
- s = format (s, "only GRE and VXLANGPE support in this rev");
- }
-
- return s;
-}
-
-
-#define foreach_copy_nshhdr_field \
-_(ver_o_c) \
-_(length) \
-_(md_type) \
-_(next_protocol) \
-_(nsp_nsi) \
-_(c1) \
-_(c2) \
-_(c3) \
-_(c4)
-/* Temp killing tlvs as its causing pain - fix in NSH_SFC */
-
-
-#define foreach_32bit_field \
-_(nsp_nsi) \
-_(c1) \
-_(c2) \
-_(c3) \
-_(c4)
-
-
-u8 * format_nsh_header_with_length (u8 * s, va_list * args)
-{
- nsh_header_t * h = va_arg (*args, nsh_header_t *);
- u32 max_header_bytes = va_arg (*args, u32);
- u32 tmp, header_bytes;
-
- header_bytes = sizeof (h[0]);
- if (max_header_bytes != 0 && header_bytes > max_header_bytes)
- return format (s, "nsh header truncated");
-
- tmp = clib_net_to_host_u32 (h->nsp_nsi);
- s = format (s, " nsp %d nsi %d ",
- (tmp>>NSH_NSP_SHIFT) & NSH_NSP_MASK,
- tmp & NSH_NSI_MASK);
-
- s = format (s, "c1 %u c2 %u c3 %u c4 %u",
- clib_net_to_host_u32 (h->c1),
- clib_net_to_host_u32 (h->c2),
- clib_net_to_host_u32 (h->c3),
- clib_net_to_host_u32 (h->c4));
-
- s = format (s, "ver %d ", h->ver_o_c>>6);
-
- if (h->ver_o_c & NSH_O_BIT)
- s = format (s, "O-set ");
-
- if (h->ver_o_c & NSH_C_BIT)
- s = format (s, "C-set ");
-
- s = format (s, "len %d (%d bytes) md_type %d next_protocol %d\n",
- h->length, h->length * 4, h->md_type, h->next_protocol);
- return s;
-}
-
-u8 * format_nsh_input_map_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- nsh_input_trace_t * t
- = va_arg (*args, nsh_input_trace_t *);
-
- s = format (s, "\n %U", format_nsh_header, &t->nsh_header,
- (u32) sizeof (t->nsh_header) );
-
- return s;
-}
-
-static uword
-nsh_input_map (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- u32 n_left_from, next_index, * from, * to_next;
- nsh_main_t * nm = &nsh_main;
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
-
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0 = NSH_INPUT_NEXT_DROP, next1 = NSH_INPUT_NEXT_DROP;
- uword * entry0, * entry1;
- nsh_header_t * hdr0 = 0, * hdr1 = 0;
- u32 nsp_nsi0, nsp_nsi1;
- u32 error0, error1;
- nsh_map_t * map0 = 0, * map1 = 0;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t * p2, * p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- CLIB_PREFETCH (p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- bi0 = from[0];
- bi1 = from[1];
- to_next[0] = bi0;
- to_next[1] = bi1;
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- error0 = 0;
- error1 = 0;
-
- b0 = vlib_get_buffer (vm, bi0);
- hdr0 = vlib_buffer_get_current (b0);
- nsp_nsi0 = clib_net_to_host_u32(hdr0->nsp_nsi);
- entry0 = hash_get_mem (nm->nsh_mapping_by_key, &nsp_nsi0);
-
- b1 = vlib_get_buffer (vm, bi1);
- hdr1 = vlib_buffer_get_current (b1);
- nsp_nsi1 = clib_net_to_host_u32(hdr1->nsp_nsi);
- entry1 = hash_get_mem (nm->nsh_mapping_by_key, &nsp_nsi1);
-
- if (PREDICT_FALSE(entry0 == 0))
- {
- error0 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace0;
- }
-
- if (PREDICT_FALSE(entry1 == 0))
- {
- error1 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace1;
- }
-
- /* Entry should point to a mapping ...*/
- map0 = pool_elt_at_index (nm->nsh_mappings, entry0[0]);
- map1 = pool_elt_at_index (nm->nsh_mappings, entry1[0]);
-
- if (PREDICT_FALSE(map0 == 0))
- {
- error0 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace0;
- }
-
- if (PREDICT_FALSE(map1 == 0))
- {
- error1 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace1;
- }
-
- entry0 = hash_get_mem (nm->nsh_entry_by_key, &map0->mapped_nsp_nsi);
- entry1 = hash_get_mem (nm->nsh_entry_by_key, &map1->mapped_nsp_nsi);
-
- if (PREDICT_FALSE(entry0 == 0))
- {
- error0 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace0;
- }
- if (PREDICT_FALSE(entry1 == 0))
- {
- error1 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace1;
- }
-
- hdr0 = pool_elt_at_index (nm->nsh_entries, entry0[0]);
- hdr1 = pool_elt_at_index (nm->nsh_entries, entry1[0]);
-
- /* set up things for next node to transmit ie which node to handle it and where */
- next0 = map0->next_node;
- next1 = map1->next_node;
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = map0->sw_if_index;
- vnet_buffer(b1)->sw_if_index[VLIB_TX] = map1->sw_if_index;
-
- trace0:
- b0->error = error0 ? node->errors[error0] : 0;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- nsh_input_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->nsh_header = *hdr0;
- }
-
- trace1:
- b1->error = error1 ? node->errors[error1] : 0;
-
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- nsh_input_trace_t *tr =
- vlib_add_trace (vm, node, b1, sizeof (*tr));
- tr->nsh_header = *hdr1;
- }
-
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
-
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0 = NSH_INPUT_NEXT_DROP;
- uword * entry0;
- nsh_header_t * hdr0 = 0;
- u32 nsp_nsi0;
- u32 error0;
- nsh_map_t * map0 = 0;
-
- next_index = next0;
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
- error0 = 0;
-
- b0 = vlib_get_buffer (vm, bi0);
- hdr0 = vlib_buffer_get_current (b0);
- nsp_nsi0 = clib_net_to_host_u32(hdr0->nsp_nsi);
- entry0 = hash_get_mem (nm->nsh_mapping_by_key, &nsp_nsi0);
-
- if (PREDICT_FALSE(entry0 == 0))
- {
- error0 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace00;
- }
-
- /* Entry should point to a mapping ...*/
- map0 = pool_elt_at_index (nm->nsh_mappings, entry0[0]);
-
- if (PREDICT_FALSE(map0 == 0))
- {
- error0 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace00;
- }
-
- entry0 = hash_get_mem (nm->nsh_entry_by_key, &map0->mapped_nsp_nsi);
-
- if (PREDICT_FALSE(entry0 == 0))
- {
- error0 = NSH_INPUT_ERROR_NO_MAPPING;
- goto trace00;
- }
-
- hdr0 = pool_elt_at_index (nm->nsh_entries, entry0[0]);
-
- /* set up things for next node to transmit ie which node to handle it and where */
- next0 = map0->next_node;
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = map0->sw_if_index;
-
- trace00:
- b0->error = error0 ? node->errors[error0] : 0;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- nsh_input_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->nsh_header = *hdr0;
- }
-
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-
- }
-
-
- return from_frame->n_vectors;
-}
-
-
-int vnet_nsh_add_del_map (vnet_nsh_add_del_map_args_t *a)
-{
- nsh_main_t * nm = &nsh_main;
- nsh_map_t *map = 0;
- u32 key, *key_copy;
- uword * entry;
- hash_pair_t *hp;
-
- key = a->map.nsp_nsi;
-
- entry = hash_get_mem (nm->nsh_mapping_by_key, &key);
-
- if (a->is_add)
- {
- /* adding an entry, must not already exist */
- if (entry)
- return VNET_API_ERROR_INVALID_VALUE;
-
- pool_get_aligned (nm->nsh_mappings, map, CLIB_CACHE_LINE_BYTES);
- memset (map, 0, sizeof (*map));
-
- /* copy from arg structure */
- map->nsp_nsi = a->map.nsp_nsi;
- map->mapped_nsp_nsi = a->map.mapped_nsp_nsi;
- map->sw_if_index = a->map.sw_if_index;
- map->next_node = a->map.next_node;
-
-
- key_copy = clib_mem_alloc (sizeof (*key_copy));
- clib_memcpy (key_copy, &key, sizeof (*key_copy));
-
- hash_set_mem (nm->nsh_mapping_by_key, key_copy,
- map - nm->nsh_mappings);
- }
- else
- {
- if (!entry)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- map = pool_elt_at_index (nm->nsh_mappings, entry[0]);
- hp = hash_get_pair (nm->nsh_mapping_by_key, &key);
- key_copy = (void *)(hp->key);
- hash_unset_mem (nm->nsh_mapping_by_key, &key);
- clib_mem_free (key_copy);
-
- pool_put (nm->nsh_mappings, map);
- }
-
- return 0;
-}
-
-static clib_error_t *
-nsh_add_del_map_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, * line_input = &_line_input;
- u8 is_add = 1;
- u32 nsp, nsi, mapped_nsp, mapped_nsi;
- int nsp_set = 0, nsi_set = 0, mapped_nsp_set = 0, mapped_nsi_set = 0;
- u32 next_node = ~0;
- u32 sw_if_index = ~0; // temporary requirement to get this moved over to NSHSFC
- vnet_nsh_add_del_map_args_t _a, * a = &_a;
- int rv;
-
- /* 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 (line_input, "del"))
- is_add = 0;
- else if (unformat (line_input, "nsp %d", &nsp))
- nsp_set = 1;
- else if (unformat (line_input, "nsi %d", &nsi))
- nsi_set = 1;
- else if (unformat (line_input, "mapped-nsp %d", &mapped_nsp))
- mapped_nsp_set = 1;
- else if (unformat (line_input, "mapped-nsi %d", &mapped_nsi))
- mapped_nsi_set = 1;
- else if (unformat (line_input, "encap-gre-intf %d", &sw_if_index))
- next_node = NSH_INPUT_NEXT_ENCAP_GRE;
- else if (unformat (line_input, "encap-vxlan-gpe-intf %d", &sw_if_index))
- next_node = NSH_INPUT_NEXT_ENCAP_VXLANGPE;
- else if (unformat (line_input, "encap-none"))
- next_node = NSH_INPUT_NEXT_DROP; // Once moved to NSHSFC see nsh.h:foreach_nsh_input_next to handle this case
- else
- return clib_error_return (0, "parse error: '%U'",
- format_unformat_error, line_input);
- }
-
- unformat_free (line_input);
-
- if (nsp_set == 0 || nsi_set == 0)
- return clib_error_return (0, "nsp nsi pair required. Key: for NSH entry");
-
- if (mapped_nsp_set == 0 || mapped_nsi_set == 0)
- return clib_error_return (0, "mapped-nsp mapped-nsi pair required. Key: for NSH entry");
-
- if (next_node == ~0)
- return clib_error_return (0, "must specific action: [encap-gre-intf <nn> | encap-vxlan-gpe-intf <nn> | encap-none]");
-
- memset (a, 0, sizeof (*a));
-
- /* set args structure */
- a->is_add = is_add;
- a->map.nsp_nsi = (nsp<< NSH_NSP_SHIFT) | nsi;
- a->map.mapped_nsp_nsi = (mapped_nsp<< NSH_NSP_SHIFT) | mapped_nsi;
- a->map.sw_if_index = sw_if_index;
- a->map.next_node = next_node;
-
-
- rv = vnet_nsh_add_del_map (a);
-
- switch(rv)
- {
- case 0:
- break;
- case VNET_API_ERROR_INVALID_VALUE:
- return clib_error_return (0, "mapping already exists. Remove it first.");
-
- case VNET_API_ERROR_NO_SUCH_ENTRY:
- return clib_error_return (0, "mapping does not exist.");
-
- default:
- return clib_error_return
- (0, "vnet_nsh_add_del_map returned %d", rv);
- }
- return 0;
-}
-
-
-VLIB_CLI_COMMAND (create_nsh_map_command, static) = {
- .path = "create nsh map",
- .short_help =
- "create nsh map nsp <nn> nsi <nn> [del] map-nsp <nn> map-nsi <nn> [encap-gre-intf <nn> | encap-vxlan-gpe-intf <nn> | encap-none]\n",
- .function = nsh_add_del_map_command_fn,
-};
-
-static clib_error_t *
-show_nsh_map_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- nsh_main_t * nm = &nsh_main;
- nsh_map_t * map;
-
- if (pool_elts (nm->nsh_mappings) == 0)
- vlib_cli_output (vm, "No nsh maps configured.");
-
- pool_foreach (map, nm->nsh_mappings,
- ({
- vlib_cli_output (vm, "%U", format_nsh_map, map);
- }));
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (show_nsh_map_command, static) = {
- .path = "show nsh map",
- .function = show_nsh_map_command_fn,
-};
-
-
-int vnet_nsh_add_del_entry (vnet_nsh_add_del_entry_args_t *a)
-{
- nsh_main_t * nm = &nsh_main;
- nsh_header_t *hdr = 0;
- u32 key, *key_copy;
- uword * entry;
- hash_pair_t *hp;
-
- key = a->nsh.nsp_nsi;
-
- entry = hash_get_mem (nm->nsh_entry_by_key, &key);
-
- if (a->is_add)
- {
- /* adding an entry, must not already exist */
- if (entry)
- return VNET_API_ERROR_INVALID_VALUE;
-
- pool_get_aligned (nm->nsh_entries, hdr, CLIB_CACHE_LINE_BYTES);
- memset (hdr, 0, sizeof (*hdr));
-
- /* copy from arg structure */
-#define _(x) hdr->x = a->nsh.x;
- foreach_copy_nshhdr_field;
-#undef _
-
- key_copy = clib_mem_alloc (sizeof (*key_copy));
- clib_memcpy (key_copy, &key, sizeof (*key_copy));
-
- hash_set_mem (nm->nsh_entry_by_key, key_copy,
- hdr - nm->nsh_entries);
- }
- else
- {
- if (!entry)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- hdr = pool_elt_at_index (nm->nsh_entries, entry[0]);
- hp = hash_get_pair (nm->nsh_entry_by_key, &key);
- key_copy = (void *)(hp->key);
- hash_unset_mem (nm->nsh_entry_by_key, &key);
- clib_mem_free (key_copy);
-
- pool_put (nm->nsh_entries, hdr);
- }
-
- return 0;
-}
-
-
-static clib_error_t *
-nsh_add_del_entry_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, * line_input = &_line_input;
- u8 is_add = 1;
- u8 ver_o_c = 0;
- u8 length = 0;
- u8 md_type = 0;
- u8 next_protocol = 1; /* default: ip4 */
- u32 nsp;
- u8 nsp_set = 0;
- u32 nsi;
- u8 nsi_set = 0;
- u32 nsp_nsi;
- u32 c1 = 0;
- u32 c2 = 0;
- u32 c3 = 0;
- u32 c4 = 0;
- u32 *tlvs = 0;
- u32 tmp;
- int rv;
- vnet_nsh_add_del_entry_args_t _a, * a = &_a;
-
- /* 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 (line_input, "del"))
- is_add = 0;
- else if (unformat (line_input, "version %d", &tmp))
- ver_o_c |= (tmp & 3) << 6;
- else if (unformat (line_input, "o-bit %d", &tmp))
- ver_o_c |= (tmp & 1) << 5;
- else if (unformat (line_input, "c-bit %d", &tmp))
- ver_o_c |= (tmp & 1) << 4;
- else if (unformat (line_input, "md-type %d", &tmp))
- md_type = tmp;
- else if (unformat(line_input, "next-ip4"))
- next_protocol = 1;
- else if (unformat(line_input, "next-ip6"))
- next_protocol = 2;
- else if (unformat(line_input, "next-ethernet"))
- next_protocol = 3;
- else if (unformat (line_input, "c1 %d", &c1))
- ;
- else if (unformat (line_input, "c2 %d", &c2))
- ;
- else if (unformat (line_input, "c3 %d", &c3))
- ;
- else if (unformat (line_input, "c4 %d", &c4))
- ;
- else if (unformat (line_input, "nsp %d", &nsp))
- nsp_set = 1;
- else if (unformat (line_input, "nsi %d", &nsi))
- nsi_set = 1;
- else if (unformat (line_input, "tlv %x"))
- vec_add1 (tlvs, tmp);
- else
- return clib_error_return (0, "parse error: '%U'",
- format_unformat_error, line_input);
- }
-
- unformat_free (line_input);
-
- if (nsp_set == 0)
- return clib_error_return (0, "nsp not specified");
-
- if (nsi_set == 0)
- return clib_error_return (0, "nsi not specified");
-
- if (md_type != 1)
- return clib_error_return (0, "md-type 1 only supported at this time");
-
- md_type = 1;
- length = 6;
-
- nsp_nsi = (nsp<<8) | nsi;
-
- memset (a, 0, sizeof (*a));
-
- a->is_add = is_add;
-
-#define _(x) a->nsh.x = x;
- foreach_copy_nshhdr_field;
-#undef _
-
- a->nsh.tlvs[0] = 0 ; // TODO FIXME this shouldn't be set 0 - in NSH_SFC project
-
- rv = vnet_nsh_add_del_entry (a);
-
- switch(rv)
- {
- case 0:
- break;
- default:
- return clib_error_return
- (0, "vnet_nsh_add_del_entry returned %d", rv);
- }
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (create_nsh_entry_command, static) = {
- .path = "create nsh entry",
- .short_help =
- "create nsh entry {nsp <nn> nsi <nn>} c1 <nn> c2 <nn> c3 <nn> c4 <nn>"
- " [md-type <nn>] [tlv <xx>] [del]\n",
- .function = nsh_add_del_entry_command_fn,
-};
-
-static clib_error_t *
-show_nsh_entry_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- nsh_main_t * nm = &nsh_main;
- nsh_header_t * hdr;
-
- if (pool_elts (nm->nsh_entries) == 0)
- vlib_cli_output (vm, "No nsh entries configured.");
-
- pool_foreach (hdr, nm->nsh_entries,
- ({
- vlib_cli_output (vm, "%U", format_nsh_header, hdr);
- }));
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (show_nsh_entry_command, static) = {
- .path = "show nsh entry",
- .function = show_nsh_entry_command_fn,
-};
-
-static char * nsh_input_error_strings[] = {
-#define _(sym,string) string,
- foreach_nsh_input_error
-#undef _
-};
-
-VLIB_REGISTER_NODE (nsh_input_node) = {
- .function = nsh_input_map,
- .name = "nsh-input",
- .vector_size = sizeof (u32),
- .format_trace = format_nsh_input_map_trace,
- .format_buffer = format_nsh_header_with_length,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(nsh_input_error_strings),
- .error_strings = nsh_input_error_strings,
-
- .n_next_nodes = NSH_INPUT_N_NEXT,
-
- .next_nodes = {
-#define _(s,n) [NSH_INPUT_NEXT_##s] = n,
- foreach_nsh_input_next
-#undef _
- },
-};
-
-clib_error_t *nsh_init (vlib_main_t *vm)
-{
- nsh_main_t *nm = &nsh_main;
-
- nm->vnet_main = vnet_get_main();
- nm->vlib_main = vm;
-
- nm->nsh_mapping_by_key
- = hash_create_mem (0, sizeof(u32), sizeof (uword));
-
- nm->nsh_mapping_by_mapped_key
- = hash_create_mem (0, sizeof(u32), sizeof (uword));
-
- nm->nsh_entry_by_key
- = hash_create_mem (0, sizeof(u32), sizeof (uword));
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION(nsh_init);
Code Review / vpp.git / commitdiff