{
ip6_address_t src;
ip6_address_t dst;
- u32 xx_id;
+ u32 fib_index;
u32 frag_id;
u8 unused[7];
u8 proto;
static void
ip6_sv_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_sv_reass_main_t * rm,
ip6_sv_reass_t * reass, u32 bi,
ip6_sv_reass_trace_operation_e action,
u32 ip_proto, u16 l4_src_port, u16 l4_dst_port)
{
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
+ if (pool_is_free_index
+ (vm->trace_main.trace_buffer_pool, vlib_buffer_get_trace_index (b)))
+ {
+ // this buffer's trace is gone
+ b->flags &= ~VLIB_BUFFER_IS_TRACED;
+ return;
+ }
ip6_sv_reass_trace_t *t = vlib_add_trace (vm, node, b, sizeof (t[0]));
if (reass)
{
}
always_inline ip6_sv_reass_t *
-ip6_sv_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_sv_reass_main_t * rm,
- ip6_sv_reass_per_thread_t * rt,
- ip6_sv_reass_kv_t * kv, u32 * icmp_bi,
- u8 * do_handoff)
+ip6_sv_reass_find_or_create (vlib_main_t *vm, ip6_sv_reass_main_t *rm,
+ ip6_sv_reass_per_thread_t *rt,
+ ip6_sv_reass_kv_t *kv, u8 *do_handoff)
{
ip6_sv_reass_t *reass = NULL;
f64 now = vlib_time_now (vm);
if (rt->reass_n >= rm->max_reass_n)
{
- reass = pool_elt_at_index (rt->pool, rt->lru_last);
+ reass = pool_elt_at_index (rt->pool, rt->lru_first);
ip6_sv_reass_free (vm, rm, rt, reass);
}
}
always_inline ip6_sv_reass_rc_t
-ip6_sv_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_sv_reass_main_t * rm, ip6_sv_reass_per_thread_t * rt,
- ip6_sv_reass_t * reass, u32 bi0,
- ip6_frag_hdr_t * frag_hdr)
+ip6_sv_reass_update (vlib_main_t *vm, vlib_node_runtime_t *node,
+ ip6_sv_reass_main_t *rm, ip6_sv_reass_t *reass, u32 bi0,
+ ip6_frag_hdr_t *frag_hdr)
{
vlib_buffer_t *fb = vlib_get_buffer (vm, bi0);
vnet_buffer_opaque_t *fvnb = vnet_buffer (fb);
vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0, REASS_FINISH,
+ ip6_sv_reass_add_trace (vm, node, reass, bi0, REASS_FINISH,
reass->ip_proto, reass->l4_src_port,
reass->l4_dst_port);
}
{
if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_CACHE, reass->ip_proto,
- reass->l4_src_port, reass->l4_dst_port);
+ ip6_sv_reass_add_trace (vm, node, reass, bi0, REASS_FRAGMENT_CACHE,
+ reass->ip_proto, reass->l4_src_port,
+ reass->l4_dst_port);
}
if (vec_len (reass->cached_buffers) > rm->max_reass_len)
{
always_inline bool
ip6_sv_reass_verify_fragment_multiple_8 (vlib_main_t * vm,
- vlib_node_runtime_t * node,
vlib_buffer_t * b,
ip6_frag_hdr_t * frag_hdr)
{
always_inline bool
ip6_sv_reass_verify_packet_size_lt_64k (vlib_main_t * vm,
- vlib_node_runtime_t * node,
vlib_buffer_t * b,
ip6_frag_hdr_t * frag_hdr)
{
vlib_buffer_t *b0;
u32 next0 = IP6_SV_REASSEMBLY_NEXT_DROP;
u32 error0 = IP6_ERROR_NONE;
- u32 icmp_bi = ~0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
next0 = IP6_SV_REASSEMBLY_NEXT_INPUT;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, NULL, bi0,
- REASS_PASSTHROUGH,
- vnet_buffer (b0)->ip.reass.ip_proto,
- vnet_buffer (b0)->ip.
- reass.l4_src_port,
- vnet_buffer (b0)->ip.
- reass.l4_dst_port);
+ ip6_sv_reass_add_trace (
+ vm, node, NULL, bi0, REASS_PASSTHROUGH,
+ vnet_buffer (b0)->ip.reass.ip_proto,
+ vnet_buffer (b0)->ip.reass.l4_src_port,
+ vnet_buffer (b0)->ip.reass.l4_dst_port);
}
goto packet_enqueue;
}
goto packet_enqueue;
}
}
- if (!ip6_sv_reass_verify_fragment_multiple_8
- (vm, node, b0, frag_hdr)
- || !ip6_sv_reass_verify_packet_size_lt_64k (vm, node, b0,
- frag_hdr))
+ if (!ip6_sv_reass_verify_fragment_multiple_8 (vm, b0, frag_hdr) ||
+ !ip6_sv_reass_verify_packet_size_lt_64k (vm, b0, frag_hdr))
{
next0 = IP6_SV_REASSEMBLY_NEXT_ICMP_ERROR;
goto packet_enqueue;
kv.k.as_u64[5] = ip0->protocol;
ip6_sv_reass_t *reass =
- ip6_sv_reass_find_or_create (vm, node, rm, rt, &kv, &icmp_bi,
- &do_handoff);
+ ip6_sv_reass_find_or_create (vm, rm, rt, &kv, &do_handoff);
if (PREDICT_FALSE (do_handoff))
{
next0 = IP6_SV_REASSEMBLY_NEXT_INPUT;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_FORWARD,
- reass->ip_proto,
- reass->l4_src_port,
- reass->l4_dst_port);
+ ip6_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_FORWARD,
+ reass->ip_proto, reass->l4_src_port, reass->l4_dst_port);
}
goto packet_enqueue;
}
- switch (ip6_sv_reass_update
- (vm, node, rm, rt, reass, bi0, frag_hdr))
+ u32 counter = ~0;
+ switch (ip6_sv_reass_update (vm, node, rm, reass, bi0, frag_hdr))
{
case IP6_SV_REASS_RC_OK:
/* nothing to do here */
break;
case IP6_SV_REASS_RC_TOO_MANY_FRAGMENTS:
- vlib_node_increment_counter (vm, node->node_index,
- IP6_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG,
- 1);
- ip6_sv_reass_free (vm, rm, rt, reass);
- goto next_packet;
+ counter = IP6_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG;
break;
case IP6_SV_REASS_RC_UNSUPP_IP_PROTO:
- vlib_node_increment_counter (vm, node->node_index,
- IP6_ERROR_REASS_UNSUPP_IP_PROTO,
- 1);
- ip6_sv_reass_free (vm, rm, rt, reass);
- goto next_packet;
+ counter = IP6_ERROR_REASS_UNSUPP_IP_PROTO;
break;
case IP6_SV_REASS_RC_INTERNAL_ERROR:
- vlib_node_increment_counter (vm, node->node_index,
- IP6_ERROR_REASS_INTERNAL_ERROR, 1);
+ counter = IP6_ERROR_REASS_INTERNAL_ERROR;
+ break;
+ }
+ if (~0 != counter)
+ {
+ vlib_node_increment_counter (vm, node->node_index, counter, 1);
ip6_sv_reass_free (vm, rm, rt, reass);
goto next_packet;
- break;
}
if (reass->is_complete)
vnet_buffer (b0)->ip.reass.l4_dst_port = reass->l4_dst_port;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_FORWARD,
- reass->ip_proto,
- reass->l4_src_port,
- reass->l4_dst_port);
+ ip6_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_FORWARD,
+ reass->ip_proto, reass->l4_src_port, reass->l4_dst_port);
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, bi0,
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
- if (~0 != icmp_bi)
- {
- next0 = IP6_SV_REASSEMBLY_NEXT_ICMP_ERROR;
- to_next[0] = icmp_bi;
- to_next += 1;
- n_left_to_next -= 1;
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, icmp_bi,
- next0);
- }
-
next_packet:
from += 1;
n_left_from -= 1;
if ((error = vlib_call_init_function (vm, ip_main_init)))
return error;
- ip6_register_protocol (IP_PROTOCOL_IPV6_FRAGMENTATION,
- ip6_sv_reass_node.index);
rm->fq_index = vlib_frame_queue_main_init (ip6_sv_reass_node.index, 0);
rm->fq_feature_index =
#endif /* CLIB_MARCH_VARIANT */
static uword
-ip6_sv_reass_walk_expired (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * f)
+ip6_sv_reass_walk_expired (vlib_main_t *vm,
+ CLIB_UNUSED (vlib_node_runtime_t *node),
+ CLIB_UNUSED (vlib_frame_t *f))
{
ip6_sv_reass_main_t *rm = &ip6_sv_reass_main;
uword event_type, *event_data = 0;
switch (event_type)
{
- case ~0: /* no events => timeout */
- /* nothing to do here */
- break;
+ case ~0:
+ /* no events => timeout */
+ /* fallthrough */
case IP6_EVENT_CONFIG_CHANGED:
+ /* nothing to do here */
break;
default:
clib_warning ("BUG: event type 0x%wx", event_type);
vec_reset_length (pool_indexes_to_free);
/* *INDENT-OFF* */
- pool_foreach_index (index, rt->pool, ({
+ pool_foreach_index (index, rt->pool) {
reass = pool_elt_at_index (rt->pool, index);
if (now > reass->last_heard + rm->timeout)
{
vec_add1 (pool_indexes_to_free, index);
}
- }));
+ }
/* *INDENT-ON* */
int *i;
/* *INDENT-OFF* */
format_ip6_sv_reass_key (u8 * s, va_list * args)
{
ip6_sv_reass_key_t *key = va_arg (*args, ip6_sv_reass_key_t *);
- s = format (s, "xx_id: %u, src: %U, dst: %U, frag_id: %u, proto: %u",
- key->xx_id, format_ip6_address, &key->src, format_ip6_address,
- &key->dst, clib_net_to_host_u16 (key->frag_id), key->proto);
+ s =
+ format (s, "fib_index: %u, src: %U, dst: %U, frag_id: %u, proto: %u",
+ key->fib_index, format_ip6_address, &key->src, format_ip6_address,
+ &key->dst, clib_net_to_host_u16 (key->frag_id), key->proto);
return s;
}
if (details)
{
/* *INDENT-OFF* */
- pool_foreach (reass, rt->pool, {
+ pool_foreach (reass, rt->pool) {
vlib_cli_output (vm, "%U", format_ip6_sv_reass, vm, reass);
- });
+ }
/* *INDENT-ON* */
}
sum_reass_n += rt->reass_n;
vlib_cli_output (vm,
"Maximum configured concurrent shallow virtual IP6 reassemblies per worker-thread: %lu\n",
(long unsigned) rm->max_reass_n);
+ vlib_cli_output (vm,
+ "Maximum configured amount of fragments per shallow "
+ "virtual IP6 reassembly: %lu\n",
+ (long unsigned) rm->max_reass_len);
vlib_cli_output (vm,
"Maximum configured shallow virtual IP6 reassembly timeout: %lums\n",
(long unsigned) rm->timeout_ms);
ti += 1;
b += 1;
}
- n_enq =
- vlib_buffer_enqueue_to_thread (vm, fq_index, from, thread_indices,
- frame->n_vectors, 1);
+ n_enq = vlib_buffer_enqueue_to_thread (vm, node, fq_index, from,
+ thread_indices, frame->n_vectors, 1);
if (n_enq < frame->n_vectors)
vlib_node_increment_counter (vm, node->node_index,
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