vpp - Vector Packet Processing

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author	“mukeshyadav1984” <mukyadav@cisco.com>	2017-11-23 02:39:33 -0800
committer	Damjan Marion <dmarion.lists@gmail.com>	2017-11-28 12:26:30 +0000
commit	430ac939d115b59e3f7f704645c6f88878223e1b (patch)
tree	ca5bbc6e7ab3c60316ed602f9a637ff423203f96 /src/vnet/session/transport.c
parent	b3eeb6a5dd17627f56f5a9f299950c96f952e7a1 (diff)

IPSec AH protocol enhancement in VPP native core

Change-Id: Iec5804d768485f4015bbf732d8d19ef2f24e6939 Signed-off-by: “mukeshyadav1984” <mukyadav@cisco.com>

Diffstat (limited to 'src/vnet/session/transport.c')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2015 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. */ /** * @file * @brief Host utility functions */ #include <vppinfra/format.h> #include <vlib/vlib.h> #include <vlib/threads.h> #include <vnet/vnet.h> #include <vppinfra/format.h> /** * @brief GDB callable function: vl - Return vector length of vector * * @param *p - void - address of vector * * @return length - u32 * */ u32 vl (void *p) { return vec_len (p); } /** * @brief GDB callable function: pvh - Return vector header of vector * * @param *p - void - address of vector * * @return vh - vec_header_t, the vector header * */ vec_header_t * pvh (void *p) { return _vec_find (p); } /** * @brief GDB callable function: pe - call pool_elts - number of elements in a pool * * @param *v - void - address of pool * * @return number - uword * */ uword pe (void *v) { return (pool_elts (v)); } /** * @brief GDB callable function: ph - call pool_header - get pool header. * * @param *p - void - address of pool * * @return pool_header_t * */ pool_header_t * ph (void *p) { return pool_header (p); } /** * @brief GDB callable function: pifi - call pool_is_free_index - is passed index free? * * @param *p - void - address of pool * @param *index - u32 * * @return 0|1 - int * */ int pifi (void *p, u32 index) { return pool_is_free_index (p, index); } /** * @brief GDB callable function: debug_hex_bytes - return formatted hex string * * @param *s - u8 * @param n - u32 - number of bytes to format * */ void debug_hex_bytes (u8 * s, u32 n) { fformat (stderr, "%U\n", format_hex_bytes, s, n); } /** * @brief GDB callable function: vlib_dump_frame_ownership * */ void vlib_dump_frame_ownership (void) { vlib_main_t *vm = vlib_get_main (); vlib_node_main_t *nm = &vm->node_main; vlib_node_runtime_t *this_node_runtime; vlib_next_frame_t *nf; u32 first_nf_index; u32 index; vec_foreach (this_node_runtime, nm->nodes_by_type[VLIB_NODE_TYPE_INTERNAL]) { first_nf_index = this_node_runtime->next_frame_index; for (index = first_nf_index; index < first_nf_index + this_node_runtime->n_next_nodes; index++) { vlib_node_runtime_t *owned_runtime; nf = vec_elt_at_index (vm->node_main.next_frames, index); if (nf->flags & VLIB_FRAME_OWNER) { owned_runtime = vec_elt_at_index (nm->nodes_by_type[0], nf->node_runtime_index); fformat (stderr, "%s next index %d owns enqueue rights to %s\n", nm->nodes[this_node_runtime->node_index]->name, index - first_nf_index, nm->nodes[owned_runtime->node_index]->name); fformat (stderr, " nf index %d nf->frame %p\n", nf - vm->node_main.next_frames, nf->frame); } } } } /** * @brief GDB callable function: vlib_runtime_index_to_node_name * * Takes node index and will return the node name. * * @param index - u32 */ void vlib_runtime_index_to_node_name (u32 index) { vlib_main_t *vm = vlib_get_main (); vlib_node_main_t *nm = &vm->node_main; if (index >= vec_len (nm->nodes)) { fformat (stderr, "%d out of range, max %d\n", vec_len (nm->nodes)); return; } fformat (stderr, "node runtime index %d name %s\n", index, nm->nodes[index]->name); } void gdb_show_errors (int verbose) { extern vlib_cli_command_t vlib_cli_show_errors; unformat_input_t input; vlib_main_t *vm = vlib_get_main (); if (verbose == 0) unformat_init_string (&input, "verbose 0", 9); else if (verbose == 1) unformat_init_string (&input, "verbose 1", 9); else { fformat (stderr, "verbose not 0 or 1\n"); return; } vlib_cli_show_errors.function (vm, &input, 0 /* cmd */ ); unformat_free (&input); } void gdb_show_session (int verbose) { extern vlib_cli_command_t vlib_cli_show_session_command; unformat_input_t input; vlib_main_t *vm = vlib_get_main (); if (verbose == 0) unformat_init_string (&input, "verbose 0", 9); else if (verbose == 1) unformat_init_string (&input, "verbose 1", 9); else if (verbose == 2) unformat_init_string (&input, "verbose 2", 9); else { fformat (stderr, "verbose not 0 - 2\n"); return; } vlib_cli_show_session_command.function (vm, &input, 0 /* cmd */ ); unformat_free (&input); } static int trace_cmp (void *a1, void *a2) { vlib_trace_header_t **t1 = a1; vlib_trace_header_t **t2 = a2; i64 dt = t1[0]->time - t2[0]->time; return dt < 0 ? -1 : (dt > 0 ? +1 : 0); } void gdb_show_traces () { vlib_trace_main_t *tm; vlib_trace_header_t **h, **traces; u32 i, index = 0; char *fmt; u8 *s = 0; u32 max; /* By default display only this many traces. */ max = 50; /* Get active traces from pool. */ foreach_vlib_main () { fmt = "------------------- Start of thread %d %s -------------------\n"; s = format (s, fmt, index, vlib_worker_threads[index].name); tm = &this_vlib_main->trace_main; trace_apply_filter (this_vlib_main); traces = 0; pool_foreach (h, tm->trace_buffer_pool) { vec_add1 (traces, h[0]); } if (vec_len (traces) == 0) { s = format (s, "No packets in trace buffer\n"); goto done; } /* Sort them by increasing time. */ vec_sort_with_function (traces, trace_cmp); for (i = 0; i < vec_len (traces); i++) { if (i == max) { fformat (stderr, "Limiting display to %d packets." " To display more specify max.", max); goto done; } s = format (s, "Packet %d\n%U\n\n", i + 1, format_vlib_trace, vlib_get_first_main (), traces[i]); } done: vec_free (traces); index++; } fformat (stderr, "%v", s); vec_free (s); } /** * @brief GDB callable function: show_gdb_command_fn - show gdb * * Shows list of functions for VPP available in GDB * * @return error - clib_error_t */ static clib_error_t * show_gdb_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vlib_cli_output (vm, "vl(p) returns vec_len(p)"); vlib_cli_output (vm, "vb(b) returns vnet_buffer(b) [opaque]"); vlib_cli_output (vm, "vb2(b) returns vnet_buffer2(b) [opaque2]"); vlib_cli_output (vm, "vbi(b) returns b index"); vlib_cli_output (vm, "vgb(bi) returns vlib_get_buffer(vlib_get_main(), bi)"); vlib_cli_output (vm, "pe(p) returns pool_elts(p)"); vlib_cli_output (vm, "ph(p) returns pool_header(p)"); vlib_cli_output (vm, "pifi(p, i) returns pool_is_free_index(p, i)"); vlib_cli_output (vm, "gdb_show_errors(0|1) dumps error counters"); vlib_cli_output (vm, "gdb_show_session dumps session counters"); vlib_cli_output (vm, "gdb_show_traces() dumps buffer traces"); vlib_cli_output (vm, "gdb_validate_buffer(b) check vlib_buffer b sanity"); vlib_cli_output (vm, "debug_hex_bytes (ptr, n_bytes) dumps n_bytes in hex"); vlib_cli_output (vm, "vlib_dump_frame_ownership() does what it says"); vlib_cli_output (vm, "vlib_runtime_index_to_node_name (index) prints NN"); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_gdb_funcs_command, static) = { .path = "show gdb", .short_help = "Describe functions which can be called from gdb", .function = show_gdb_command_fn, }; /* *INDENT-ON* */ vlib_buffer_t * vgb (u32 bi) { return vlib_get_buffer (vlib_get_main (), bi); } vnet_buffer_opaque_t * vb (void *vb_arg) { vlib_buffer_t *b = (vlib_buffer_t *) vb_arg; vnet_buffer_opaque_t *rv; rv = vnet_buffer (b); return rv; } vnet_buffer_opaque2_t * vb2 (void *vb_arg) { vlib_buffer_t *b = (vlib_buffer_t *) vb_arg; vnet_buffer_opaque2_t *rv; rv = vnet_buffer2 (b); return rv; } u32 vbi (vlib_buffer_t * b) { vlib_main_t *vm = vlib_get_main (); vlib_buffer_main_t *bm = vm->buffer_main; u32 bi = pointer_to_uword (b) - bm->buffer_mem_start; bi >>= CLIB_LOG2_CACHE_LINE_BYTES; return bi; } int gdb_validate_buffer (vlib_buffer_t * b) { vlib_main_t *vm = vlib_get_main (); u32 bi = vbi (b); u8 *s = vlib_validate_buffers (vm, &bi, 0, 1, VLIB_BUFFER_KNOWN_ALLOCATED, 1); if (s) { fformat (stderr, "gdb_validate_buffer(): %v", s); return -1; } fformat (stderr, "gdb_validate_buffer(): no error found\n"); return 0; } /** * Dump a trajectory trace, reasonably easy to call from gdb */ void gdb_dump_trajectory_trace (u32 bi) { #if VLIB_BUFFER_TRACE_TRAJECTORY > 0 vlib_main_t *vm = vlib_get_main (); vlib_node_main_t *vnm = &vm->node_main; vlib_buffer_t *b; u16 *trace; u8 i; b = vlib_get_buffer (vm, bi); trace = b->trajectory_trace; fformat (stderr, "Context trace for bi %d b 0x%llx, visited %d\n", bi, b, b->trajectory_nb); for (i = 0; i < b->trajectory_nb; i++) { u32 node_index; node_index = trace[i]; if (node_index >= vec_len (vnm->nodes)) { fformat (stderr, "Skip bogus node index %d\n", node_index); continue; } fformat (stderr, "%v (%d)\n", vnm->nodes[node_index]->name, node_index); } #else fformat (stderr, "in vlib/buffers.h, " "#define VLIB_BUFFER_TRACE_TRAJECTORY 1\n"); #endif } void gdb_dump_buffer (vlib_buffer_t *b) { fformat (stderr, "%U\n", format_vnet_buffer, b); } /* Cafeteria plan, maybe you don't want these functions */ clib_error_t * gdb_func_init (vlib_main_t * vm) { return 0; } VLIB_INIT_FUNCTION (gdb_func_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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