diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vlib/buffer_funcs.h | 7 | ||||
| -rw-r--r-- | src/vnet/unix/gdb_funcs.c | 27 |
2 files changed, 34 insertions, 0 deletions
diff --git a/src/vlib/buffer_funcs.h b/src/vlib/buffer_funcs.h index cfb48344648..58abdb18841 100644 --- a/src/vlib/buffer_funcs.h +++ b/src/vlib/buffer_funcs.h @@ -474,6 +474,13 @@ vlib_buffer_is_known (vlib_main_t * vm, u32 buffer_index) u8 *vlib_validate_buffer (vlib_main_t * vm, u32 buffer_index, uword follow_chain); +u8 *vlib_validate_buffers (vlib_main_t * vm, + u32 * buffers, + uword next_buffer_stride, + uword n_buffers, + vlib_buffer_known_state_t known_state, + uword follow_buffer_next); + static_always_inline vlib_buffer_pool_t * vlib_get_buffer_pool (vlib_main_t * vm, u8 buffer_pool_index) { diff --git a/src/vnet/unix/gdb_funcs.c b/src/vnet/unix/gdb_funcs.c index 2ebdd5960ca..6f0dd208caf 100644 --- a/src/vnet/unix/gdb_funcs.c +++ b/src/vnet/unix/gdb_funcs.c @@ -272,11 +272,13 @@ show_gdb_command_fn (vlib_main_t * vm, 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, "pe(p) returns pool_elts(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"); @@ -314,6 +316,31 @@ vb2 (void *vb_arg) 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; +} /* Cafeteria plan, maybe you don't want these functions */ clib_error_t * |