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-rw-r--r--build-root/emacs-lisp/tunnel-encap-skel.el245
1 files changed, 0 insertions, 245 deletions
diff --git a/build-root/emacs-lisp/tunnel-encap-skel.el b/build-root/emacs-lisp/tunnel-encap-skel.el
deleted file mode 100644
index 9c98a597d09..00000000000
--- a/build-root/emacs-lisp/tunnel-encap-skel.el
+++ /dev/null
@@ -1,245 +0,0 @@
-;;; tunnel-encap-skel.el - tunnel interface output skeleton
-
-(require 'skeleton)
-
-(define-skeleton skel-tunnel-encap
-"Insert a tunnel encap 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))
-'(setq ENCAP-STACK (upcase encap-stack))
-"
-#include <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/" encap-stack "/" encap_stack ".h>
-
-/* Statistics (not really errors) */
-#define foreach_" encap_stack "_encap_error \\
-_(ENCAPSULATED, \"good packets encapsulated\")
-
-static char * " encap_stack "_encap_error_strings[] = {
-#define _(sym,string) string,
- foreach_" encap_stack "_encap_error
-#undef _
-};
-
-typedef enum {
-#define _(sym,str) " ENCAP_STACK "_ENCAP_ERROR_##sym,
- foreach_" encap_stack "_encap_error
-#undef _
- " ENCAP_STACK "_ENCAP_N_ERROR,
-} " encap_stack "_encap_error_t;
-
-typedef enum {
- " ENCAP_STACK "_ENCAP_NEXT_IP4_LOOKUP,
- " ENCAP_STACK "_ENCAP_NEXT_DROP,
- " ENCAP_STACK "_ENCAP_N_NEXT,
-} " encap_stack "_encap_next_t;
-
-typedef struct {
- u32 tunnel_index;
-} " encap_stack "_encap_trace_t;
-
-u8 * format_" encap_stack "_encap_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 *);
- " encap_stack "_encap_trace_t * t
- = va_arg (*args, " encap_stack "_encap_trace_t *);
-
- s = format (s, \"" ENCAP-STACK ": tunnel %d\", t->tunnel_index);
- return s;
-}
-
-/* $$$$ FIXME adjust to match the rewrite string */
-#define foreach_fixed_header_offset \\
-_(0) _(1) _(2) _(3) _(FIXME)
-
-static uword
-" encap_stack "_encap (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- u32 n_left_from, next_index, * from, * to_next;
- " encap_stack "_main_t * ngm = &" encap_stack "_main;
- vnet_main_t * vnm = ngm->vnet_main;
- u32 pkts_encapsulated = 0;
- u16 old_l0 = 0, old_l1 = 0;
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
-
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
-#if 0 /* $$$ dual loop when the single loop works */
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- nsh_unicast_header_t * h0, * h1;
- u32 label0, label1;
- u32 next0, next1;
- uword * p0, * p1;
-
- /* 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_to_next -= 2;
- n_left_from -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- h0 = vlib_buffer_get_current (b0);
- h1 = vlib_buffer_get_current (b1);
-
- next0 = next1 = " ENCAP_STACK "_ENCAP_NEXT_IP4_LOOKUP;
-
- vlib_buffer_advance (b0, sizeof (*h0));
- vlib_buffer_advance (b1, sizeof (*h1));
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-#endif
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0 = " ENCAP_STACK "_ENCAP_NEXT_IP4_LOOKUP;
- vnet_hw_interface_t * hi0;
- ip4_header_t * ip0;
- udp_header_t * udp0;
- u64 * copy_src0, * copy_dst0;
- u32 * copy_src_last0, * copy_dst_last0;
- " encap_stack "_tunnel_t * t0;
- u16 new_l0;
- ip_csum_t sum0;
-
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- /* 1-wide cache? */
- hi0 = vnet_get_sup_hw_interface
- (vnm, vnet_buffer(b0)->sw_if_index[VLIB_TX]);
-
- t0 = pool_elt_at_index (ngm->tunnels, hi0->dev_instance);
-
- ASSERT(vec_len(t0->rewrite) >= 24);
-
- /* Apply the rewrite string. $$$$ vnet_rewrite? */
- vlib_buffer_advance (b0, -(word)_vec_len(t0->rewrite));
-
- ip0 = vlib_buffer_get_current(b0);
- /* Copy the fixed header */
- copy_dst0 = (u64 *) ip0;
- copy_src0 = (u64 *) t0->rewrite;
-
- ASSERT (sizeof (ip4_udp_" encap_stack "_header_t) == FIXME);
-
- /* Copy first N octets 8-bytes at a time */
-#define _(offs) copy_dst0[offs] = copy_src0[offs];
- foreach_fixed_header_offset;
-#undef _
-#if 0 /* needed if encap not a multiple of 8 bytes */
- /* Last 4 octets. Hopefully gcc will be our friend */
- copy_dst_last0 = (u32 *)(&copy_dst0[FIXME]);
- copy_src_last0 = (u32 *)(&copy_src0[FIXME]);
- copy_dst_last0[0] = copy_src_last0[0];
-
-#endif
- /* fix the <bleep>ing outer-IP checksum */
- sum0 = ip0->checksum;
- /* old_l0 always 0, see the rewrite setup */
- new_l0 =
- clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0));
-
- sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
- length /* changed member */);
- ip0->checksum = ip_csum_fold (sum0);
- ip0->length = new_l0;
-
- /* Fix UDP length */
- udp0 = (udp_header_t *)(ip0+1);
- new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
- - sizeof (*ip0));
-
- udp0->length = new_l0;
-
- /* Reset to look up tunnel partner in the configured FIB */
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->encap_fib_index;
- pkts_encapsulated ++;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- " encap_stack "_encap_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->tunnel_index = t0 - ngm->tunnels;
- }
- 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);
- }
- vlib_node_increment_counter (vm, node->node_index,
- " ENCAP_STACK "_ENCAP_ERROR_ENCAPSULATED,
- pkts_encapsulated);
- return from_frame->n_vectors;
-}
-
-VLIB_REGISTER_NODE (" encap_stack "_encap_node) = {
- .function = " encap_stack "_encap,
- .name = \"" encap-stack "-encap\",
- .vector_size = sizeof (u32),
- .format_trace = format_" encap_stack "_encap_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(" encap_stack "_encap_error_strings),
- .error_strings = " encap_stack "_encap_error_strings,
-
- .n_next_nodes = " ENCAP_STACK "_ENCAP_N_NEXT,
-
- .next_nodes = {
- [" ENCAP_STACK "_ENCAP_NEXT_IP4_LOOKUP] = \"ip4-lookup\",
- [" ENCAP_STACK "_ENCAP_NEXT_DROP] = \"error-drop\",
- },
-};
-")