--- /dev/null
+/*
+ * drop.c - Punt and drop nodes
+ *
+ * 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.
+ */
+
+#include <vlib/vlib.h>
+
+typedef enum
+{
+ ERROR_DISPOSITION_DROP,
+ ERROR_DISPOSITION_PUNT,
+ ERROR_N_DISPOSITION,
+} error_disposition_t;
+
+static u8 *
+validate_error (vlib_main_t * vm, vlib_error_t * e, u32 index)
+{
+ uword node_index = vlib_error_get_node (e[0]);
+ uword code = vlib_error_get_code (e[0]);
+ vlib_node_t *n;
+
+ if (node_index >= vec_len (vm->node_main.nodes))
+ return format (0, "[%d], node index out of range 0x%x, error 0x%x",
+ index, node_index, e[0]);
+
+ n = vlib_get_node (vm, node_index);
+ if (code >= n->n_errors)
+ return format (0, "[%d], code %d out of range for node %v",
+ index, code, n->name);
+
+ return 0;
+}
+
+static u8 *
+validate_error_frame (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * f)
+{
+ u32 *buffers = vlib_frame_vector_args (f);
+ vlib_buffer_t *b;
+ u8 *msg = 0;
+ uword i;
+
+ for (i = 0; i < f->n_vectors; i++)
+ {
+ b = vlib_get_buffer (vm, buffers[i]);
+ msg = validate_error (vm, &b->error, i);
+ if (msg)
+ return msg;
+ }
+
+ return msg;
+}
+
+always_inline u32
+counter_index (vlib_main_t * vm, vlib_error_t e)
+{
+ vlib_node_t *n;
+ u32 ci, ni;
+
+ ni = vlib_error_get_node (e);
+ n = vlib_get_node (vm, ni);
+
+ ci = vlib_error_get_code (e);
+ ASSERT (ci < n->n_errors);
+
+ ci += n->error_heap_index;
+
+ return ci;
+}
+
+static u8 *
+format_error_trace (u8 * s, va_list * va)
+{
+ vlib_main_t *vm = va_arg (*va, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
+ vlib_error_t *e = va_arg (*va, vlib_error_t *);
+ vlib_node_t *error_node;
+ vlib_error_main_t *em = &vm->error_main;
+ u32 i;
+
+ error_node = vlib_get_node (vm, vlib_error_get_node (e[0]));
+ i = counter_index (vm, e[0]);
+ s = format (s, "%v: %s", error_node->name, em->error_strings_heap[i]);
+
+ return s;
+}
+
+static void
+trace_errors (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ u32 n_left, *buffers;
+
+ buffers = vlib_frame_vector_args (frame);
+ n_left = frame->n_vectors;
+
+ while (n_left >= 4)
+ {
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ vlib_error_t *t0, *t1;
+
+ /* Prefetch next iteration. */
+ vlib_prefetch_buffer_with_index (vm, buffers[2], LOAD);
+ vlib_prefetch_buffer_with_index (vm, buffers[3], LOAD);
+
+ bi0 = buffers[0];
+ bi1 = buffers[1];
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
+ t0[0] = b0->error;
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0]));
+ t1[0] = b1->error;
+ }
+ buffers += 2;
+ n_left -= 2;
+ }
+
+ while (n_left >= 1)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ vlib_error_t *t0;
+
+ bi0 = buffers[0];
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
+ t0[0] = b0->error;
+ }
+ buffers += 1;
+ n_left -= 1;
+ }
+}
+
+static_always_inline uword
+process_drop_punt (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame, error_disposition_t disposition)
+{
+ u32 errors[VLIB_FRAME_SIZE], *error, *from, n_left;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ vlib_error_main_t *em = &vm->error_main;
+
+ from = vlib_frame_vector_args (frame);
+ n_left = frame->n_vectors;
+ b = bufs;
+ error = errors;
+
+ vlib_get_buffers (vm, from, bufs, n_left);
+
+ if (node->flags & VLIB_NODE_FLAG_TRACE)
+ trace_errors (vm, node, frame);
+
+ /* collect the array of error first ... */
+ while (n_left >= 4)
+ {
+ if (n_left >= 12)
+ {
+ /* Prefetch 8 ahead - there's not much going on in each iteration */
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
+ }
+ error[0] = b[0]->error;
+ error[1] = b[1]->error;
+ error[2] = b[2]->error;
+ error[3] = b[3]->error;
+
+ error += 4;
+ n_left -= 4;
+ b += 4;
+ }
+ while (n_left)
+ {
+ error[0] = b[0]->error;
+
+ error += 1;
+ n_left -= 1;
+ b += 1;
+ }
+
+ /* ... then count against them in blocks */
+ n_left = frame->n_vectors;
+
+ while (n_left)
+ {
+ u16 off, count;
+ u32 c_index;
+
+ off = frame->n_vectors - n_left;
+
+ error = errors + off;
+
+ count = clib_count_equal_u32 (error, n_left);
+ n_left -= count;
+
+ c_index = counter_index (vm, error[0]);
+ em->counters[c_index] += count;
+
+ vlib_error_elog_count (vm, c_index, count);
+ }
+
+ if (disposition == ERROR_DISPOSITION_DROP || !vm->os_punt_frame)
+ {
+ vlib_buffer_free (vm, from, frame->n_vectors);
+
+ /* If there is no punt function, free the frame as well. */
+ if (disposition == ERROR_DISPOSITION_PUNT && !vm->os_punt_frame)
+ vlib_frame_free (vm, node, frame);
+ }
+ else
+ vm->os_punt_frame (vm, node, frame);
+
+ return frame->n_vectors;
+}
+
+VLIB_NODE_FN (error_drop_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return process_drop_punt (vm, node, frame, ERROR_DISPOSITION_DROP);
+}
+
+VLIB_NODE_FN (error_punt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return process_drop_punt (vm, node, frame, ERROR_DISPOSITION_PUNT);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (error_drop_node) = {
+ .name = "drop",
+ .flags = VLIB_NODE_FLAG_IS_DROP,
+ .vector_size = sizeof (u32),
+ .format_trace = format_error_trace,
+ .validate_frame = validate_error_frame,
+};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (error_punt_node) = {
+ .name = "punt",
+ .flags = (VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH
+ | VLIB_NODE_FLAG_IS_PUNT),
+ .vector_size = sizeof (u32),
+ .format_trace = format_error_trace,
+ .validate_frame = validate_error_frame,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
return frame->n_vectors;
}
-always_inline u32
-counter_index (vlib_main_t * vm, vlib_error_t e)
+typedef struct vnet_error_trace_t_
{
- vlib_node_t *n;
- u32 ci, ni;
-
- ni = vlib_error_get_node (e);
- n = vlib_get_node (vm, ni);
-
- ci = vlib_error_get_code (e);
- ASSERT (ci < n->n_errors);
+ u32 sw_if_index;
+} vnet_error_trace_t;
- ci += n->error_heap_index;
-
- return ci;
-}
static u8 *
format_vnet_error_trace (u8 * s, va_list * va)
{
- vlib_main_t *vm = va_arg (*va, vlib_main_t *);
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
- vlib_error_t *e = va_arg (*va, vlib_error_t *);
- vlib_node_t *error_node;
- vlib_error_main_t *em = &vm->error_main;
- u32 i;
+ vnet_error_trace_t *t = va_arg (*va, vnet_error_trace_t *);
- error_node = vlib_get_node (vm, vlib_error_get_node (e[0]));
- i = counter_index (vm, e[0]);
- s = format (s, "%v: %s", error_node->name, em->error_strings_heap[i]);
+ s = format (s, " rx:%d", t->sw_if_index);
return s;
}
static void
-trace_errors_with_buffers (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+interface_trace_buffers (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
u32 n_left, *buffers;
{
u32 bi0, bi1;
vlib_buffer_t *b0, *b1;
- vlib_error_t *t0, *t1;
+ vnet_error_trace_t *t0, *t1;
/* Prefetch next iteration. */
vlib_prefetch_buffer_with_index (vm, buffers[2], LOAD);
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
- t0[0] = b0->error;
+ t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
}
if (b1->flags & VLIB_BUFFER_IS_TRACED)
{
t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0]));
- t1[0] = b1->error;
+ t1->sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_RX];
}
buffers += 2;
n_left -= 2;
{
u32 bi0;
vlib_buffer_t *b0;
- vlib_error_t *t0;
+ vnet_error_trace_t *t0;
bi0 = buffers[0];
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
- t0[0] = b0->error;
+ t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
}
buffers += 1;
n_left -= 1;
}
}
-static u8 *
-validate_error (vlib_main_t * vm, vlib_error_t * e, u32 index)
-{
- uword node_index = vlib_error_get_node (e[0]);
- uword code = vlib_error_get_code (e[0]);
- vlib_node_t *n;
-
- if (node_index >= vec_len (vm->node_main.nodes))
- return format (0, "[%d], node index out of range 0x%x, error 0x%x",
- index, node_index, e[0]);
-
- n = vlib_get_node (vm, node_index);
- if (code >= n->n_errors)
- return format (0, "[%d], code %d out of range for node %v",
- index, code, n->name);
-
- return 0;
-}
-
-static u8 *
-validate_error_frame (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * f)
-{
- u32 *buffers = vlib_frame_vector_args (f);
- vlib_buffer_t *b;
- u8 *msg = 0;
- uword i;
-
- for (i = 0; i < f->n_vectors; i++)
- {
- b = vlib_get_buffer (vm, buffers[i]);
- msg = validate_error (vm, &b->error, i);
- if (msg)
- return msg;
- }
-
- return msg;
-}
-
typedef enum
{
VNET_ERROR_DISPOSITION_DROP,
VNET_ERROR_N_DISPOSITION,
} vnet_error_disposition_t;
-always_inline void
-do_packet (vlib_main_t * vm, vlib_error_t a)
-{
- vlib_error_main_t *em = &vm->error_main;
- u32 i = counter_index (vm, a);
- em->counters[i] += 1;
- vlib_error_elog_count (vm, i, 1);
-}
-
static_always_inline uword
-process_drop_punt (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame, vnet_error_disposition_t disposition)
+interface_drop_punt (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ vnet_error_disposition_t disposition)
{
- vnet_main_t *vnm = vnet_get_main ();
- vlib_error_main_t *em = &vm->error_main;
- u32 *buffers, *first_buffer;
- vlib_error_t current_error;
- u32 current_counter_index, n_errors_left;
- u32 current_sw_if_index, n_errors_current_sw_if_index;
- u64 current_counter;
+ u32 *from, n_left, thread_index, *sw_if_index;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ u32 sw_if_indices[VLIB_FRAME_SIZE];
vlib_simple_counter_main_t *cm;
- u32 thread_index = vm->thread_index;
-
- static vlib_error_t memory[VNET_ERROR_N_DISPOSITION];
- static char memory_init[VNET_ERROR_N_DISPOSITION];
-
- buffers = vlib_frame_vector_args (frame);
- first_buffer = buffers;
+ u16 nexts[VLIB_FRAME_SIZE];
+ vnet_main_t *vnm;
- {
- vlib_buffer_t *b = vlib_get_buffer (vm, first_buffer[0]);
-
- if (!memory_init[disposition])
- {
- memory_init[disposition] = 1;
- memory[disposition] = b->error;
- }
-
- current_sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
- n_errors_current_sw_if_index = 0;
- }
+ vnm = vnet_get_main ();
+ thread_index = vm->thread_index;
+ from = vlib_frame_vector_args (frame);
+ n_left = frame->n_vectors;
+ b = bufs;
+ sw_if_index = sw_if_indices;
- current_error = memory[disposition];
- current_counter_index = counter_index (vm, memory[disposition]);
- current_counter = em->counters[current_counter_index];
+ vlib_get_buffers (vm, from, bufs, n_left);
if (node->flags & VLIB_NODE_FLAG_TRACE)
- trace_errors_with_buffers (vm, node, frame);
+ interface_trace_buffers (vm, node, frame);
+
+ /* All going to drop regardless, this is just a counting exercise */
+ clib_memset (nexts, 0, sizeof (nexts));
- n_errors_left = frame->n_vectors;
cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
(disposition == VNET_ERROR_DISPOSITION_PUNT
? VNET_INTERFACE_COUNTER_PUNT
: VNET_INTERFACE_COUNTER_DROP));
- while (n_errors_left >= 2)
+ /* collect the array of interfaces first ... */
+ while (n_left >= 4)
{
- vlib_buffer_t *b0, *b1;
- vnet_sw_interface_t *sw_if0, *sw_if1;
- vlib_error_t e0, e1;
- u32 bi0, bi1;
- u32 sw_if_index0, sw_if_index1;
-
- bi0 = buffers[0];
- bi1 = buffers[1];
-
- buffers += 2;
- n_errors_left -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- e0 = b0->error;
- e1 = b1->error;
-
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
-
- /* Speculate that sw_if_index == sw_if_index[01]. */
- n_errors_current_sw_if_index += 2;
-
- /* Speculatively assume all 2 (node, code) pairs are equal
- to current (node, code). */
- current_counter += 2;
-
- if (PREDICT_FALSE (e0 != current_error
- || e1 != current_error
- || sw_if_index0 != current_sw_if_index
- || sw_if_index1 != current_sw_if_index))
+ if (n_left >= 12)
{
- current_counter -= 2;
- n_errors_current_sw_if_index -= 2;
-
- vlib_increment_simple_counter (cm, thread_index, sw_if_index0, 1);
- vlib_increment_simple_counter (cm, thread_index, sw_if_index1, 1);
-
- /* Increment super-interface drop/punt counters for
- sub-interfaces. */
- sw_if0 = vnet_get_sw_interface (vnm, sw_if_index0);
- vlib_increment_simple_counter
- (cm, thread_index, sw_if0->sup_sw_if_index,
- sw_if0->sup_sw_if_index != sw_if_index0);
-
- sw_if1 = vnet_get_sw_interface (vnm, sw_if_index1);
- vlib_increment_simple_counter
- (cm, thread_index, sw_if1->sup_sw_if_index,
- sw_if1->sup_sw_if_index != sw_if_index1);
-
- em->counters[current_counter_index] = current_counter;
- do_packet (vm, e0);
- do_packet (vm, e1);
-
- /* For 2 repeated errors, change current error. */
- if (e0 == e1 && e1 != current_error)
- {
- current_error = e0;
- current_counter_index = counter_index (vm, e0);
- }
- current_counter = em->counters[current_counter_index];
+ /* Prefetch 8 ahead - there's not much going on in each iteration */
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
}
+ sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
+ sw_if_index[1] = vnet_buffer (b[1])->sw_if_index[VLIB_RX];
+ sw_if_index[2] = vnet_buffer (b[2])->sw_if_index[VLIB_RX];
+ sw_if_index[3] = vnet_buffer (b[3])->sw_if_index[VLIB_RX];
+
+ sw_if_index += 4;
+ n_left -= 4;
+ b += 4;
}
-
- while (n_errors_left >= 1)
+ while (n_left)
{
- vlib_buffer_t *b0;
- vnet_sw_interface_t *sw_if0;
- vlib_error_t e0;
- u32 bi0, sw_if_index0;
-
- bi0 = buffers[0];
-
- buffers += 1;
- n_errors_left -= 1;
- current_counter += 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- e0 = b0->error;
-
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-
- /* Increment drop/punt counters. */
- vlib_increment_simple_counter (cm, thread_index, sw_if_index0, 1);
+ sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
- /* Increment super-interface drop/punt counters for sub-interfaces. */
- sw_if0 = vnet_get_sw_interface (vnm, sw_if_index0);
- vlib_increment_simple_counter (cm, thread_index,
- sw_if0->sup_sw_if_index,
- sw_if0->sup_sw_if_index != sw_if_index0);
-
- if (PREDICT_FALSE (e0 != current_error))
- {
- current_counter -= 1;
-
- vlib_error_elog_count (vm, current_counter_index,
- (current_counter
- - em->counters[current_counter_index]));
-
- em->counters[current_counter_index] = current_counter;
-
- do_packet (vm, e0);
- current_error = e0;
- current_counter_index = counter_index (vm, e0);
- current_counter = em->counters[current_counter_index];
- }
+ sw_if_index += 1;
+ n_left -= 1;
+ b += 1;
}
- if (n_errors_current_sw_if_index > 0)
- {
- vnet_sw_interface_t *si;
-
- vlib_increment_simple_counter (cm, thread_index, current_sw_if_index,
- n_errors_current_sw_if_index);
+ /* ... then count against them in blocks */
+ n_left = frame->n_vectors;
- si = vnet_get_sw_interface (vnm, current_sw_if_index);
- if (si->sup_sw_if_index != current_sw_if_index)
- vlib_increment_simple_counter (cm, thread_index, si->sup_sw_if_index,
- n_errors_current_sw_if_index);
- }
+ while (n_left)
+ {
+ vnet_sw_interface_t *sw_if0;
+ u16 off, count;
- vlib_error_elog_count (vm, current_counter_index,
- (current_counter
- - em->counters[current_counter_index]));
+ off = frame->n_vectors - n_left;
- /* Return cached counter. */
- em->counters[current_counter_index] = current_counter;
+ sw_if_index = sw_if_indices + off;
- /* Save memory for next iteration. */
- memory[disposition] = current_error;
+ count = clib_count_equal_u32 (sw_if_index, n_left);
+ n_left -= count;
- if (disposition == VNET_ERROR_DISPOSITION_DROP || !vm->os_punt_frame)
- {
- vlib_buffer_free (vm, first_buffer, frame->n_vectors);
+ vlib_increment_simple_counter (cm, thread_index, sw_if_index[0], count);
- /* If there is no punt function, free the frame as well. */
- if (disposition == VNET_ERROR_DISPOSITION_PUNT && !vm->os_punt_frame)
- vlib_frame_free (vm, node, frame);
+ /* Increment super-interface drop/punt counters for
+ sub-interfaces. */
+ sw_if0 = vnet_get_sw_interface (vnm, sw_if_index[0]);
+ if (sw_if0->sup_sw_if_index != sw_if_index[0])
+ vlib_increment_simple_counter
+ (cm, thread_index, sw_if0->sup_sw_if_index, count);
}
- else
- vm->os_punt_frame (vm, node, frame);
+
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
return frame->n_vectors;
}
}
#endif /* CLIB_MARCH_VARIANT */
-static uword
-drop_buffers_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (interface_drop) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
vnet_interface_main_t *im = &vnet_get_main ()->interface_main;
if (PREDICT_FALSE (im->drop_pcap_enable))
pcap_drop_trace (vm, im, frame);
- return process_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_DROP);
+ return interface_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_DROP);
}
-VLIB_NODE_FN (punt_buffers) (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (interface_punt) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
- return process_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_PUNT);
+ return interface_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_PUNT);
}
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (drop_buffers) = {
- .function = drop_buffers_fn,
+VLIB_REGISTER_NODE (interface_drop) = {
.name = "error-drop",
- .flags = VLIB_NODE_FLAG_IS_DROP,
.vector_size = sizeof (u32),
.format_trace = format_vnet_error_trace,
- .validate_frame = validate_error_frame,
+ .n_next_nodes = 1,
+ .next_nodes = {
+ [0] = "drop",
+ },
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (punt_buffers) = {
- .flags = (VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH
- | VLIB_NODE_FLAG_IS_PUNT),
+VLIB_REGISTER_NODE (interface_punt) = {
.name = "error-punt",
.vector_size = sizeof (u32),
.format_trace = format_vnet_error_trace,
- .validate_frame = validate_error_frame,
+ .n_next_nodes = 1,
+ .next_nodes = {
+ [0] = "punt",
+ },
};
/* *INDENT-ON* */
};
/* *INDENT-ON* */
-/* Convenience node to drop a vector of buffers with a "misc error". */
-static uword
-misc_drop_buffers (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return vlib_error_drop_buffers (vm, node, vlib_frame_vector_args (frame),
- /* buffer stride */ 1,
- frame->n_vectors,
- /* next */ 0,
- node->node_index,
- /* error */ 0);
-}
-
-static char *misc_drop_buffers_error_strings[] = {
- [0] = "misc. errors",
-};
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (misc_drop_buffers_node,static) = {
- .function = misc_drop_buffers,
- .name = "misc-drop-buffers",
- .vector_size = sizeof (u32),
- .n_errors = 1,
- .n_next_nodes = 1,
- .next_nodes = {
- "error-drop",
- },
- .error_strings = misc_drop_buffers_error_strings,
-};
-/* *INDENT-ON* */
-
static uword
interface_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
Code Review / vpp.git / commitdiff