vnet/ip/ip46_cli.c \
vnet/ip/ip4_format.c \
vnet/ip/ip4_forward.c \
- vnet/ip/ip4_hop_by_hop.c \
vnet/ip/ip4_input.c \
vnet/ip/ip4_mtrie.c \
vnet/ip/ip4_pg.c \
u32 hits = 0;
u32 misses = 0;
u32 chain_hits = 0;
+ u32 n_next;
- if (is_ip4)
+ if (is_ip4) {
lm = &ip4_main.lookup_main;
- else
+ n_next = IP4_LOOKUP_N_NEXT;
+ } else {
lm = &ip6_main.lookup_main;
+ n_next = IP6_LOOKUP_N_NEXT;
+ }
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
t0->next_table_index);
else
{
- next0 = (t0->miss_next_index < IP_LOOKUP_N_NEXT)?
- t0->miss_next_index:next0;
+ next0 = (t0->miss_next_index < n_next) ?
+ t0->miss_next_index : next0;
misses++;
break;
}
.function = ip4_classify,
.name = "ip4-classify",
.vector_size = sizeof (u32),
+ .sibling_of = "ip4-lookup",
.format_trace = format_ip_classify_trace,
.n_errors = ARRAY_LEN(ip_classify_error_strings),
.error_strings = ip_classify_error_strings,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
+ .n_next_nodes = 0,
};
VLIB_NODE_FUNCTION_MULTIARCH (ip4_classify_node, ip4_classify)
.function = ip6_classify,
.name = "ip6-classify",
.vector_size = sizeof (u32),
+ .sibling_of = "ip6-lookup",
.format_trace = format_ip_classify_trace,
.n_errors = ARRAY_LEN(ip_classify_error_strings),
.error_strings = ip_classify_error_strings,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP6_LOOKUP_NEXT_NODES,
+ .n_next_nodes = 0,
};
VLIB_NODE_FUNCTION_MULTIARCH (ip6_classify_node, ip6_classify)
.format_trace = format_ip4_lookup_trace,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
+ .n_next_nodes = IP4_LOOKUP_N_NEXT,
.next_nodes = IP4_LOOKUP_NEXT_NODES,
};
.function = ip4_indirect,
.name = "ip4-indirect",
.vector_size = sizeof (u32),
-
+ .sibling_of = "ip4-lookup",
.format_trace = format_ip4_lookup_trace,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
+ .n_next_nodes = 0,
};
VLIB_NODE_FUNCTION_MULTIARCH (ip4_indirect_node, ip4_indirect)
.function = ip4_lookup_multicast,
.name = "ip4-lookup-multicast",
.vector_size = sizeof (u32),
-
+ .sibling_of = "ip4-lookup",
.format_trace = format_ip4_lookup_trace,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
+ .n_next_nodes = 0,
};
VLIB_NODE_FUNCTION_MULTIARCH (ip4_lookup_multicast_node, ip4_lookup_multicast)
+++ /dev/null
-/*
- * 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>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-
-#include <vnet/ip/ip.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-typedef struct {
- /* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
-} ip4_hop_by_hop_main_t;
-
-ip4_hop_by_hop_main_t ip4_hop_by_hop_main;
-
-vlib_node_registration_t ip4_hop_by_hop_node;
-
-typedef struct {
- u32 next_index;
-} ip4_hop_by_hop_trace_t;
-
-/* packet trace format function */
-static u8 * format_ip4_hop_by_hop_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 *);
- ip4_hop_by_hop_trace_t * t = va_arg (*args, ip4_hop_by_hop_trace_t *);
-
- s = format (s, "IP4_HOP_BY_HOP: next index %d",
- t->next_index);
- return s;
-}
-
-vlib_node_registration_t ip4_hop_by_hop_node;
-
-#define foreach_ip4_hop_by_hop_error \
-_(PROCESSED, "Pkts with ip4 hop-by-hop options")
-
-typedef enum {
-#define _(sym,str) IP4_HOP_BY_HOP_ERROR_##sym,
- foreach_ip4_hop_by_hop_error
-#undef _
- IP4_HOP_BY_HOP_N_ERROR,
-} ip4_hop_by_hop_error_t;
-
-static char * ip4_hop_by_hop_error_strings[] = {
-#define _(sym,string) string,
- foreach_ip4_hop_by_hop_error
-#undef _
-};
-
-static uword
-ip4_hop_by_hop_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- u32 n_left_from, * from, * to_next;
- ip_lookup_next_t next_index;
- u32 processed = 0;
-
- from = vlib_frame_vector_args (frame);
- n_left_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
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 next0 = IP4_HOP_BY_HOP_NEXT_INTERFACE_OUTPUT;
- u32 next1 = IP4_HOP_BY_HOP_NEXT_INTERFACE_OUTPUT;
- u32 sw_if_index0, sw_if_index1;
- u8 tmp0[6], tmp1[6];
- ethernet_header_t *en0, *en1;
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
-
- /* 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, CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
- }
-
- /* speculatively enqueue b0 and b1 to the current next frame */
- to_next[0] = bi0 = from[0];
- to_next[1] = bi1 = from[1];
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- /* $$$$$ Dual loop: process 2 x packets here $$$$$ */
- ASSERT (b0->current_data == 0);
- ASSERT (b1->current_data == 0);
-
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b0);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- /* $$$$$ End of processing 2 x packets $$$$$ */
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- ip4_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->next_index = next0;
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- ip4_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- t->next_index = next1;
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-#endif
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 adj_index0;
- ip_adjacency_t * adj0;
-
- /* speculatively enqueue b0 to the current next frame */
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- adj_index0 = vnet_buffer (b0)->ip.adj_index[VLIB_TX];
- adj0 = ip_get_adjacency (lm, adj_index0);
-
- /* $$$$$$$$$$$$ process one (or more) hop-by-hop header(s) here */
-
-
- /* $$$$$$$$$$$$ */
-
- /* Send the packet e.g. to ip4_rewrite */
- next0 = adj0->lookup_next_index;
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- ip4_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- }
-
- processed++;
-
- /* $$$$$ Done processing 1 packet here $$$$$ */
-
- /* verify speculative enqueue, maybe switch current next frame */
- 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, ip4_hop_by_hop_node.index,
- IP4_HOP_BY_HOP_ERROR_PROCESSED, processed);
- return frame->n_vectors;
-}
-
-VLIB_REGISTER_NODE (ip4_hop_by_hop_node) = {
- .function = ip4_hop_by_hop_node_fn,
- .name = "ip4-hop-by-hop",
- .vector_size = sizeof (u32),
- .format_trace = format_ip4_hop_by_hop_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(ip4_hop_by_hop_error_strings),
- .error_strings = ip4_hop_by_hop_error_strings,
-
- /* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_hop_by_hop_node, ip4_hop_by_hop_node_fn)
-
-VLIB_REGISTER_NODE (ip4_add_hop_by_hop_node) = {
- .function = ip4_hop_by_hop_node_fn,
- .name = "ip4-add-hop-by-hop",
- .vector_size = sizeof (u32),
- .format_trace = format_ip4_hop_by_hop_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(ip4_hop_by_hop_error_strings),
- .error_strings = ip4_hop_by_hop_error_strings,
-
- /* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
-};
-
-VLIB_REGISTER_NODE (ip4_pop_hop_by_hop_node) = {
- .function = ip4_hop_by_hop_node_fn,
- .name = "ip4-pop-hop-by-hop",
- .vector_size = sizeof (u32),
- .format_trace = format_ip4_hop_by_hop_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(ip4_hop_by_hop_error_strings),
- .error_strings = ip4_hop_by_hop_error_strings,
-
- /* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
-};
-
-static clib_error_t *
-ip4_hop_by_hop_init (vlib_main_t * vm)
-{
- ip4_hop_by_hop_main_t * hm = &ip4_hop_by_hop_main;
-
- hm->vlib_main = vm;
- hm->vnet_main = vnet_get_main();
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION (ip4_hop_by_hop_init);
/* Only process the HBH Option Header if explicitly configured to do so */
next0 = (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) && im->hbh_enabled &&
- adj_index0 ? IP_LOOKUP_NEXT_HOP_BY_HOP : adj0->lookup_next_index;
+ adj_index0 ? IP6_LOOKUP_NEXT_HOP_BY_HOP : adj0->lookup_next_index;
next1 = (ip1->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) && im->hbh_enabled &&
- adj_index1 ? IP_LOOKUP_NEXT_HOP_BY_HOP : adj1->lookup_next_index;
+ adj_index1 ? IP6_LOOKUP_NEXT_HOP_BY_HOP : adj1->lookup_next_index;
vnet_buffer (p0)->ip.flow_hash =
vnet_buffer(p1)->ip.flow_hash = 0;
/* Only process the HBH Option Header if explicitly configured to do so */
next0 = (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) && im->hbh_enabled &&
- adj_index0 ? IP_LOOKUP_NEXT_HOP_BY_HOP : adj0->lookup_next_index;
+ adj_index0 ? IP6_LOOKUP_NEXT_HOP_BY_HOP : adj0->lookup_next_index;
vnet_buffer (p0)->ip.flow_hash = 0;
.format_trace = format_ip6_lookup_trace,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
+ .n_next_nodes = IP6_LOOKUP_N_NEXT,
.next_nodes = IP6_LOOKUP_NEXT_NODES,
};
.function = ip6_indirect,
.name = "ip6-indirect",
.vector_size = sizeof (u32),
-
+ .sibling_of = "ip6-lookup",
.format_trace = format_ip6_lookup_trace,
-
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP6_LOOKUP_NEXT_NODES,
+ .n_next_nodes = 0,
};
VLIB_NODE_FUNCTION_MULTIARCH (ip6_indirect_node, ip6_indirect)
out0:
/* Has the classifier flagged this buffer for special treatment? */
if ((error0 == 0) && (vnet_buffer(b0)->l2_classify.opaque_index == OI_DECAP))
- next0 = IP_LOOKUP_NEXT_POP_HOP_BY_HOP;
+ next0 = IP6_LOOKUP_NEXT_POP_HOP_BY_HOP;
if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) {
ip6_hop_by_hop_trace_t *t = vlib_add_trace(vm, node, b0, sizeof (*t));
.vector_size = sizeof (u32),
.format_trace = format_ip6_pop_hop_by_hop_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+ .sibling_of = "ip6-lookup",
.n_errors = ARRAY_LEN(ip6_pop_hop_by_hop_error_strings),
.error_strings = ip6_pop_hop_by_hop_error_strings,
/* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP6_LOOKUP_NEXT_NODES,
+ .n_next_nodes = 0,
};
VLIB_NODE_FUNCTION_MULTIARCH (ip6_pop_hop_by_hop_node,
adj->saved_lookup_next_index = adj->lookup_next_index;
if (is_add)
- adj->lookup_next_index = IP_LOOKUP_NEXT_ADD_HOP_BY_HOP;
+ adj->lookup_next_index = IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP;
if (is_pop)
- adj->lookup_next_index = IP_LOOKUP_NEXT_POP_HOP_BY_HOP;
+ adj->lookup_next_index = IP6_LOOKUP_NEXT_POP_HOP_BY_HOP;
hm->adj = *addr;
hm->ioam_flag = (is_add ? IOAM_HBYH_ADD :
/* Allow all realistic-looking rewrite adjacencies to pass */
ni0 = adj0->lookup_next_index;
is_rewrite0 = (ni0 >= IP_LOOKUP_NEXT_ARP) &&
- (ni0 < IP_LOOKUP_N_NEXT);
+ (ni0 < IP6_LOOKUP_N_NEXT);
error0 = ((adj0->rewrite_header.sw_if_index != sw_if_index0
|| ! is_rewrite0)
if ((error = vlib_call_init_function (vm, ip6_hop_by_hop_init)))
return error;
- if ((error = vlib_call_init_function (vm, ip4_hop_by_hop_init)))
- return error;
-
if ((error = vlib_call_init_function (vm, udp_local_init)))
return error;
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
-/* Next index stored in adjacency. */
+/* Common (IP4/IP6) next index stored in adjacency. */
typedef enum {
/* Packet does not match any route in table. */
IP_LOOKUP_NEXT_MISS,
/* This packets needs to go to indirect next hop */
IP_LOOKUP_NEXT_INDIRECT,
- /* Hop-by-hop header handling */
- IP_LOOKUP_NEXT_HOP_BY_HOP,
- IP_LOOKUP_NEXT_ADD_HOP_BY_HOP,
- IP_LOOKUP_NEXT_POP_HOP_BY_HOP,
-
IP_LOOKUP_NEXT_ICMP_ERROR,
IP_LOOKUP_N_NEXT,
} ip_lookup_next_t;
+typedef enum {
+ IP4_LOOKUP_N_NEXT = IP_LOOKUP_N_NEXT,
+} ip4_lookup_next_t;
+
+typedef enum {
+ /* Hop-by-hop header handling */
+ IP6_LOOKUP_NEXT_HOP_BY_HOP = IP_LOOKUP_N_NEXT,
+ IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP,
+ IP6_LOOKUP_NEXT_POP_HOP_BY_HOP,
+ IP6_LOOKUP_N_NEXT,
+} ip6_lookup_next_t;
+
#define IP4_LOOKUP_NEXT_NODES { \
[IP_LOOKUP_NEXT_MISS] = "ip4-miss", \
[IP_LOOKUP_NEXT_DROP] = "ip4-drop", \
[IP_LOOKUP_NEXT_MAP] = "ip4-map", \
[IP_LOOKUP_NEXT_MAP_T] = "ip4-map-t", \
[IP_LOOKUP_NEXT_SIXRD] = "ip4-sixrd", \
- [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip4-hop-by-hop", \
- [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip4-add-hop-by-hop", \
- [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip4-pop-hop-by-hop", \
[IP_LOOKUP_NEXT_INDIRECT] = "ip4-indirect", \
[IP_LOOKUP_NEXT_ICMP_ERROR] = "ip4-icmp-error", \
}
[IP_LOOKUP_NEXT_MAP] = "ip6-map", \
[IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t", \
[IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd", \
- [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop", \
- [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop", \
- [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop", \
[IP_LOOKUP_NEXT_INDIRECT] = "ip6-indirect", \
[IP_LOOKUP_NEXT_ICMP_ERROR] = "ip6-icmp-error", \
+ [IP6_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop", \
+ [IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop", \
+ [IP6_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop", \
}
/* Flow hash configuration */
mpls_decap_t * decaps;
uword * mpls_decap_by_rx_fib_and_label;
- /* mpls-o-e policy tunnel next index for ip4-classify */
- u32 ip_classify_mpls_policy_encap_next_index;
+ /* mpls-o-e policy tunnel next index for ip4/ip6-classify */
+ u32 ip4_classify_mpls_policy_encap_next_index;
+ u32 ip6_classify_mpls_policy_encap_next_index;
/* convenience */
vlib_main_t * vlib_main;
{
mpls_main_t * mm = &mpls_main;
clib_error_t * error;
- u32 ip6_next_index;
if ((error = vlib_call_init_function (vm, mpls_init)))
return error;
- mm->ip_classify_mpls_policy_encap_next_index =
+ mm->ip4_classify_mpls_policy_encap_next_index =
vlib_node_add_next (mm->vlib_main,
ip4_classify_node.index,
mpls_policy_encap_node.index);
- /*
- * Must add the same arc to ip6_classify so the
- * next-index vectors are congruent
- */
- ip6_next_index =
+ mm->ip6_classify_mpls_policy_encap_next_index =
vlib_node_add_next (mm->vlib_main,
ip6_classify_node.index,
mpls_policy_encap_node.index);
- if (ip6_next_index != mm->ip_classify_mpls_policy_encap_next_index)
- return clib_error_return
- (0, "ip4/ip6 classifier next vector botch: %d vs %d",
- ip6_next_index, mm->ip_classify_mpls_policy_encap_next_index);
-
return 0;
}
Code Review / vpp.git / commitdiff