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-rw-r--r--build-root/emacs-lisp/tunnel-c-skel.el452
1 files changed, 0 insertions, 452 deletions
diff --git a/build-root/emacs-lisp/tunnel-c-skel.el b/build-root/emacs-lisp/tunnel-c-skel.el
deleted file mode 100644
index a1b1757dab7..00000000000
--- a/build-root/emacs-lisp/tunnel-c-skel.el
+++ /dev/null
@@ -1,452 +0,0 @@
-;;; tunnel-c-skel.el - tunnel encap cli / api
-
-(require 'skeleton)
-
-(define-skeleton skel-tunnel-c
-"Insert a tunnel cli/api implementation"
-nil
-'(setq encap_stack (skeleton-read "encap_stack (e.g ip4_udp_lisp): "))
-'(setq ENCAP_STACK (upcase encap_stack))
-'(setq encap-stack (replace-regexp-in-string "_" "-" encap_stack))
-"
-#include <vnet/" encap-stack "/" encap_stack" .h>
-
-" encap_stack "_main_t " encap_stack "_main;
-
-static u8 * format_decap_next (u8 * s, va_list * args)
-{
- u32 next_index = va_arg (*args, u32);
-
- switch (next_index)
- {
- case " ENCAP_STACK "_INPUT_NEXT_DROP:
- return format (s, \"drop\");
- case " ENCAP_STACK "_INPUT_NEXT_IP4_INPUT:
- return format (s, \"ip4\");
- case " ENCAP_STACK "_INPUT_NEXT_IP6_INPUT:
- return format (s, \"ip6\");
- case " ENCAP_STACK "_INPUT_NEXT_" ENCAP_STACK "_ENCAP:
- return format (s, \"" encap-stack "\");
- default:
- return format (s, \"unknown %d\", next_index);
- }
- return s;
-}
-
-u8 * format_" encap_stack "_tunnel (u8 * s, va_list * args)
-{
- " encap_stack "_tunnel_t * t = va_arg (*args, " encap_stack "_tunnel_t *);
- " encap_stack "_main_t * ngm = &" encap_stack "_main;
-
- s = format (s,
- \"[%d] %U (src) %U (dst) fibs: encap %d, decap %d\",
- t - ngm->tunnels,
- format_ip4_address, &t->src,
- format_ip4_address, &t->dst,
- t->encap_fib_index,
- t->decap_fib_index);
-
- s = format (s, \" decap next %U\\n\", format_decap_next, t->decap_next_index);
- /* FIXME: add protocol details */
- return s;
-}
-
-static u8 * format_" encap_stack "_name (u8 * s, va_list * args)
-{
- u32 dev_instance = va_arg (*args, u32);
- return format (s, \"" encap_stack "_tunnel%d\", dev_instance);
-}
-
-static uword dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- clib_warning (\"you shouldn't be here, leaking buffers...\");
- return frame->n_vectors;
-}
-
-VNET_DEVICE_CLASS (" encap_stack "_device_class,static) = {
- .name = "" ENCAP_STACK "",
- .format_device_name = format_" encap_stack "_name,
- .format_tx_trace = format_" encap_stack "_encap_trace,
- .tx_function = dummy_interface_tx,
-};
-
-static uword dummy_set_rewrite (vnet_main_t * vnm,
- u32 sw_if_index,
- u32 l3_type,
- void * dst_address,
- void * rewrite,
- uword max_rewrite_bytes)
-{
- return 0;
-}
-
-u8 * format_" encap_stack "_header_with_length (u8 * s, va_list * args)
-{
- " encap_stack "_header_t * h = va_arg (*args, " encap_stack "_header_t *);
- u32 max_header_bytes = va_arg (*args, u32);
- u32 header_bytes;
-
- header_bytes = sizeof (h[0]);
- if (max_header_bytes != 0 && header_bytes > max_header_bytes)
- return format (s, \"" encap-stack "header truncated\");
-
- /* FIXME: pretty-print an " encap_stack " header */
-
- return s;
-}
-
-VNET_HW_INTERFACE_CLASS (" encap_stack "_hw_class) = {
- .name = \"" ENCAP_STACK "\",
- .format_header = format_" encap_stack "_header_with_length,
- .set_rewrite = dummy_set_rewrite,
-};
-
-#define foreach_copy_field \
-_(src.as_u32) \
-_(dst.as_u32) \
-_(encap_fib_index) \
-_(decap_fib_index) \
-_(decap_next_index) \
-_(FIXME_ADD_ALL_COPY_FIELDS )
-
-static int " encap_stack "_rewrite (" encap_stack "_tunnel_t * t)
-{
- u8 *rw = 0;
- ip4_header_t * ip0;
- " encap_stack "_header_t * h0;
- int len;
-
- len = sizeof (*h0);
-
- vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
-
- h0 = (ip4_udp_" encap_stack "_header_t *) rw;
-
- /* FIXME: build the actual header here... */
-
- /* Fixed portion of the (outer) ip4 header */
- ip0 = &h0->ip4;
- ip0->ip_version_and_header_length = 0x45;
- ip0->ttl = 254;
- ip0->protocol = IP_PROTOCOL_UDP;
-
- /* we'll fix up the ip4 header length and checksum after-the-fact */
- ip0->src_address.as_u32 = t->src.as_u32;
- ip0->dst_address.as_u32 = t->dst.as_u32;
- ip0->checksum = ip4_header_checksum (ip0);
-
- /* UDP header, randomize src port on something, maybe? */
- h0->udp.src_port = clib_host_to_net_u16 (4341);
- h0->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_" encap_stack ");
-
- /* $$$ build a <mumble> tunnel header here */
-
- t->rewrite = rw;
- return (0);
-}
-
-int vnet_" encap_stack "_add_del_tunnel
-(vnet_" encap_stack "_add_del_tunnel_args_t *a, u32 * hw_if_indexp)
-{
- " encap_stack "_main_t * ngm = &" encap_stack "_main;
- " encap_stack "_tunnel_t *t = 0;
- vnet_main_t * vnm = ngm->vnet_main;
- vnet_hw_interface_t * hi;
- uword * p;
- u32 hw_if_index = ~0;
- int rv;
- " encap_stack "_tunnel_key_t key, *key_copy;
- hash_pair_t *hp;
-
- key.FIXME = clib_host_to_net_XXX(FIXME);
-
- p = hash_get_mem (ngm->" encap_stack "_tunnel_by_key, &key);
-
- if (a->is_add)
- {
- /* adding a tunnel: tunnel must not already exist */
- if (p)
- return VNET_API_ERROR_INVALID_VALUE;
-
- pool_get_aligned (ngm->tunnels, t, CLIB_CACHE_LINE_BYTES);
- memset (t, 0, sizeof (*t));
-
- /* copy from arg structure */
-#define _(x) t->x = a->x;
- foreach_copy_field;
-#undef _
-
- rv = " encap_stack "_rewrite (t);
-
- if (rv)
- {
- pool_put (ngm->tunnels, t);
- return rv;
- }
-
- /* $$$$ use a simple hash if you can ... */
- key_copy = clib_mem_alloc (sizeof (*key_copy));
- clib_memcpy (key_copy, &key, sizeof (*key_copy));
-
- hash_set_mem (ngm->" encap_stack "_tunnel_by_key, key_copy,
- t - ngm->tunnels);
-
- /*
- * interface freelist / recycle shtik
- * This simple implementation rapidly reuses freed tunnel interfaces.
- * Consider whether to refcount, etc. etc.
- */
- if (vec_len (ngm->free_" encap_stack "_tunnel_hw_if_indices) > 0)
- {
- hw_if_index = ngm->free_" encap_stack "_tunnel_hw_if_indices
- [vec_len (ngm->free_" encap_stack "_tunnel_hw_if_indices)-1];
- _vec_len (ngm->free_" encap_stack "_tunnel_hw_if_indices) -= 1;
-
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->dev_instance = t - ngm->tunnels;
- hi->hw_instance = hi->dev_instance;
- }
- else
- {
- hw_if_index = vnet_register_interface
- (vnm, " encap_stack "_device_class.index, t - ngm->tunnels,
- " encap_stack "_hw_class.index, t - ngm->tunnels);
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->output_node_index = " encap_stack "_encap_node.index;
- }
-
- t->hw_if_index = hw_if_index;
-
- vnet_sw_interface_set_flags (vnm, hi->sw_if_index,
- VNET_SW_INTERFACE_FLAG_ADMIN_UP);
- }
- else
- {
- /* deleting a tunnel: tunnel must exist */
- if (!p)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- t = pool_elt_at_index (ngm->tunnels, p[0]);
-
- vnet_sw_interface_set_flags (vnm, t->hw_if_index, 0 /* down */);
- vec_add1 (ngm->free_" encap_stack "_tunnel_hw_if_indices, t->hw_if_index);
-
- hp = hash_get_pair (ngm->" encap_stack "_tunnel_by_key, &key);
- key_copy = (void *)(hp->key);
- hash_unset_mem (ngm->" encap_stack "_tunnel_by_key, &key);
- clib_mem_free (key_copy);
-
- vec_free (t->rewrite);
- pool_put (ngm->tunnels, t);
- }
-
- if (hw_if_indexp)
- *hw_if_indexp = hw_if_index;
-
- return 0;
-}
-
-static u32 fib_index_from_fib_id (u32 fib_id)
-{
- ip4_main_t * im = &ip4_main;
- uword * p;
-
- p = hash_get (im->fib_index_by_table_id, fib_id);
- if (!p)
- return ~0;
-
- return p[0];
-}
-
-static uword unformat_decap_next (unformat_input_t * input, va_list * args)
-{
- u32 * result = va_arg (*args, u32 *);
- u32 tmp;
-
- if (unformat (input, \"drop\"))
- *result = " ENCAP_STACK "_INPUT_NEXT_DROP;
- else if (unformat (input, \"ip4\"))
- *result = " ENCAP_STACK "_INPUT_NEXT_IP4_INPUT;
- else if (unformat (input, \"ip6\"))
- *result = " ENCAP_STACK "_INPUT_NEXT_IP6_INPUT;
- else if (unformat (input, \"ethernet\"))
- *result = " ENCAP_STACK "_INPUT_NEXT_IP6_INPUT;
- else if (unformat (input, \"" encap-stack "\"))
- *result = " ENCAP_STACK "_INPUT_NEXT_" ENCAP_STACK "_ENCAP;
- else if (unformat (input, \"%d\", &tmp))
- *result = tmp;
- else
- return 0;
- return 1;
-}
-
-static clib_error_t *
-" encap_stack "_add_del_tunnel_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 = 0;
- ip4_address_t src, dst;
- u8 is_add = 1;
- u8 src_set = 0;
- u8 dst_set = 0;
- u32 encap_fib_index = 0;
- u32 decap_fib_index = 0;
- u8 next_protocol = " ENCAP_STACK "_NEXT_PROTOCOL_IP4;
- u32 decap_next_index = " ENCAP_STACK "_INPUT_NEXT_IP4_INPUT;
- u8 flags = " ENCAP_STACK "_FLAGS_P;
- u8 ver_res = 0;
- u8 res = 0;
- u32 iid = 0;
- u8 iid_set = 0;
- u32 tmp;
- int rv;
- vnet_" encap_stack "_add_del_tunnel_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, \"src %U\",
- unformat_ip4_address, &src))
- src_set = 1;
- else if (unformat (line_input, \"dst %U\",
- unformat_ip4_address, &dst))
- dst_set = 1;
- else if (unformat (line_input, \"encap-vrf-id %d\", &tmp))
- {
- encap_fib_index = fib_index_from_fib_id (tmp);
- if (encap_fib_index == ~0)
- {
- unformat_free (line_input);
- return clib_error_return (0, \"nonexistent encap fib id %d\", tmp);
- }
- }
- else if (unformat (line_input, \"decap-vrf-id %d\", &tmp))
- {
- decap_fib_index = fib_index_from_fib_id (tmp);
- if (decap_fib_index == ~0)
- {
- unformat_free (line_input);
- return clib_error_return (0, \"nonexistent decap fib id %d\", tmp);
- }
- }
- else if (unformat (line_input, \"decap-next %U\", unformat_decap_next,
- &decap_next_index))
- ;
- 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, \"next-nsh\"))
- next_protocol = 4;
- /*
- * $$$ allow the user to specify anything they want
- * in the " ENCAP_STACK " header
- */
- else
- {
- error = clib_error_return (0, \"parse error: '%U'\",
- format_unformat_error, line_input);
- unformat_free (line_input);
- return error;
- }
- }
-
- unformat_free (line_input);
-
- if (src_set == 0)
- return clib_error_return (0, \"tunnel src address not specified\");
-
- if (dst_set == 0)
- return clib_error_return (0, \"tunnel dst address not specified\");
-
- memset (a, 0, sizeof (*a));
-
- a->is_add = is_add;
-
-#define _(x) a->x = x;
- foreach_copy_field;
-#undef _
-
- rv = vnet_" encap_stack "_add_del_tunnel (a, 0 /* hw_if_indexp */);
-
- switch(rv)
- {
- case 0:
- break;
- case VNET_API_ERROR_INVALID_VALUE:
- return clib_error_return (0, \"tunnel already exists...\");
-
- case VNET_API_ERROR_NO_SUCH_ENTRY:
- return clib_error_return (0, \"tunnel does not exist...\");
-
- default:
- return clib_error_return
- (0, \"vnet_" encap_stack "_add_del_tunnel returned %d\", rv);
- }
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (create_" encap_stack "_tunnel_command, static) = {
- .path = \"lisp gpe tunnel\",
- .short_help =
- \"<mumble> tunnel src <ip4-addr> dst <ip4-addr>\\n\"
- \" [encap-fib-id <nn>] [decap-fib-id <nn>]\\n\"
- \" [decap-next [ip4|ip6|ethernet|nsh-encap|<nn>]][del]\\n\",
- .function = " encap_stack "_add_del_tunnel_command_fn,
-};
-
-static clib_error_t *
-show_" encap_stack "_tunnel_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- " encap_stack "_main_t * ngm = &" encap_stack "_main;
- " encap_stack "_tunnel_t * t;
-
- if (pool_elts (ngm->tunnels) == 0)
- vlib_cli_output (vm, \"No lisp-gpe tunnels configured...\");
-
- pool_foreach (t, ngm->tunnels,
- ({
- vlib_cli_output (vm, \"%U\", format_" encap_stack "_tunnel);
- }));
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (show_" encap_stack "_tunnel_command, static) = {
- .path = \"show lisp gpe tunnel\",
- .function = show_" encap_stack "_tunnel_command_fn,
-};
-
-clib_error_t *" encap_stack "_init (vlib_main_t *vm)
-{
- " encap_stack "_main_t *ngm = &" encap_stack "_main;
-
- ngm->vnet_main = vnet_get_main();
- ngm->vlib_main = vm;
-
- ngm->" encap_stack "_tunnel_by_key
- = hash_create_mem (0, sizeof(" encap_stack "_tunnel_key_t), sizeof (uword));
-
- /* YMMV, register with the local netstack */
- udp_register_dst_port (vm, UDP_DST_PORT_" encap_stack ",
- " encap_stack "_input_node.index, 1 /* is_ip4 */);
- return 0;
-}
-
-VLIB_INIT_FUNCTION(" encap_stack "_init);
-
-")
-