{
struct
{
- u32 xx_id;
+ u32 fib_index;
ip4_address_t src;
ip4_address_t dst;
u16 frag_id;
/** Worker handoff */
u32 fq_index;
u32 fq_feature_index;
+ u32 fq_custom_context_index;
// reference count for enabling/disabling feature - per interface
u32 *feature_use_refcount_per_intf;
u8 ip_proto;
u16 l4_src_port;
u16 l4_dst_port;
+ int l4_layer_truncated;
} ip4_sv_reass_trace_t;
extern vlib_node_registration_t ip4_sv_reass_node;
s = format (s, "[not-fragmented]");
break;
}
+ if (t->l4_layer_truncated)
+ {
+ s = format (s, " [l4-layer-truncated]");
+ }
return s;
}
static void
-ip4_sv_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip4_sv_reass_main_t * rm, ip4_sv_reass_t * reass,
- u32 bi, ip4_sv_reass_trace_operation_e action,
- u32 ip_proto, u16 l4_src_port, u16 l4_dst_port)
+ip4_sv_reass_add_trace (vlib_main_t *vm, vlib_node_runtime_t *node,
+ ip4_sv_reass_t *reass, u32 bi,
+ ip4_sv_reass_trace_operation_e action, u32 ip_proto,
+ u16 l4_src_port, u16 l4_dst_port,
+ int l4_layer_truncated)
{
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
if (pool_is_free_index
t->ip_proto = ip_proto;
t->l4_src_port = l4_src_port;
t->l4_dst_port = l4_dst_port;
+ t->l4_layer_truncated = l4_layer_truncated;
#if 0
static u8 *s = NULL;
s = format (s, "%U", format_ip4_sv_reass_trace, NULL, NULL, t);
ip4_sv_reass_t *reass = NULL;
f64 now = vlib_time_now (vm);
+again:
+
if (!clib_bihash_search_16_8 (&rm->hash, &kv->kv, &kv->kv))
{
if (vm->thread_index != kv->v.thread_index)
kv->v.thread_index = vm->thread_index;
reass->last_heard = now;
- if (clib_bihash_add_del_16_8 (&rm->hash, &kv->kv, 1))
+ int rv = clib_bihash_add_del_16_8 (&rm->hash, &kv->kv, 2);
+ if (rv)
{
ip4_sv_reass_free (vm, rm, rt, reass);
reass = NULL;
+ // if other worker created a context already work with the other copy
+ if (-2 == rv)
+ goto again;
}
return reass;
}
always_inline ip4_sv_reass_rc_t
-ip4_sv_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip4_sv_reass_main_t * rm, ip4_sv_reass_per_thread_t * rt,
- ip4_header_t * ip0, ip4_sv_reass_t * reass, u32 bi0)
+ip4_sv_reass_update (vlib_main_t *vm, vlib_node_runtime_t *node,
+ ip4_sv_reass_main_t *rm, ip4_header_t *ip0,
+ ip4_sv_reass_t *reass, u32 bi0)
{
vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
ip4_sv_reass_rc_t rc = IP4_SV_REASS_RC_OK;
vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_sv_reass_add_trace (vm, node, rm, reass, bi0, REASS_FINISH,
- reass->ip_proto, reass->l4_src_port,
- reass->l4_dst_port);
+ ip4_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FINISH, reass->ip_proto,
+ reass->l4_src_port, reass->l4_dst_port,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
}
vec_add1 (reass->cached_buffers, bi0);
{
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_CACHE, ~0, ~0, ~0);
+ ip4_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_CACHE, ~0, ~0, ~0,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
if (vec_len (reass->cached_buffers) > rm->max_reass_len)
{
return rc;
}
+always_inline int
+l4_layer_truncated (ip4_header_t *ip)
+{
+ static const int l4_layer_length[256] = {
+ [IP_PROTOCOL_TCP] = sizeof (tcp_header_t),
+ [IP_PROTOCOL_UDP] = sizeof (udp_header_t),
+ [IP_PROTOCOL_ICMP] = sizeof (icmp46_header_t),
+ };
+
+ return ((u8 *) ip + ip4_header_bytes (ip) + l4_layer_length[ip->protocol] >
+ (u8 *) ip + clib_net_to_host_u16 (ip->length));
+}
+
always_inline uword
-ip4_sv_reass_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame, bool is_feature,
- bool is_output_feature, bool is_custom)
+ip4_sv_reass_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame, bool is_feature,
+ bool is_output_feature, bool is_custom,
+ bool with_custom_context)
{
u32 *from = vlib_frame_vector_args (frame);
- u32 n_left_from, n_left_to_next, *to_next, next_index;
+ u32 n_left_from, n_left_to_next, *to_next, *to_next_aux, next_index;
ip4_sv_reass_main_t *rm = &ip4_sv_reass_main;
ip4_sv_reass_per_thread_t *rt = &rm->per_thread_data[vm->thread_index];
+ u32 *context;
+ if (with_custom_context)
+ context = vlib_frame_aux_args (frame);
+
clib_spinlock_lock (&rt->lock);
n_left_from = frame->n_vectors;
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
- CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ clib_prefetch_load (p2->data);
+ clib_prefetch_load (p3->data);
}
ip4_header_t *ip0 =
(is_output_feature ? 1 : 0) *
vnet_buffer (b1)->
ip.save_rewrite_length);
+
if (PREDICT_FALSE
(ip4_get_fragment_more (ip0) || ip4_get_fragment_offset (ip0))
|| (ip4_get_fragment_more (ip1) || ip4_get_fragment_offset (ip1)))
}
vnet_buffer (b0)->ip.reass.is_non_first_fragment = 0;
vnet_buffer (b0)->ip.reass.ip_proto = ip0->protocol;
- if (IP_PROTOCOL_TCP == ip0->protocol)
+ if (l4_layer_truncated (ip0))
{
- vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
- ((tcp_header_t *) (ip0 + 1))->flags;
- vnet_buffer (b0)->ip.reass.tcp_ack_number =
- ((tcp_header_t *) (ip0 + 1))->ack_number;
- vnet_buffer (b0)->ip.reass.tcp_seq_number =
- ((tcp_header_t *) (ip0 + 1))->seq_number;
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated = 1;
+ vnet_buffer (b0)->ip.reass.l4_src_port = 0;
+ vnet_buffer (b0)->ip.reass.l4_dst_port = 0;
}
- else if (IP_PROTOCOL_ICMP == ip0->protocol)
+ else
{
- vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
- ((icmp46_header_t *) (ip0 + 1))->type;
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated = 0;
+ if (IP_PROTOCOL_TCP == ip0->protocol)
+ {
+ vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
+ ((tcp_header_t *) (ip0 + 1))->flags;
+ vnet_buffer (b0)->ip.reass.tcp_ack_number =
+ ((tcp_header_t *) (ip0 + 1))->ack_number;
+ vnet_buffer (b0)->ip.reass.tcp_seq_number =
+ ((tcp_header_t *) (ip0 + 1))->seq_number;
+ }
+ else if (IP_PROTOCOL_ICMP == ip0->protocol)
+ {
+ vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
+ ((icmp46_header_t *) (ip0 + 1))->type;
+ }
+ vnet_buffer (b0)->ip.reass.l4_src_port = ip4_get_port (ip0, 1);
+ vnet_buffer (b0)->ip.reass.l4_dst_port = ip4_get_port (ip0, 0);
}
- vnet_buffer (b0)->ip.reass.l4_src_port = ip4_get_port (ip0, 1);
- vnet_buffer (b0)->ip.reass.l4_dst_port = ip4_get_port (ip0, 0);
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_sv_reass_add_trace (vm, node, rm, NULL, from[(b - 2) - bufs],
- 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);
+ ip4_sv_reass_add_trace (
+ vm, node, NULL, from[(b - 2) - bufs], 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,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
if (is_feature)
{
}
vnet_buffer (b1)->ip.reass.is_non_first_fragment = 0;
vnet_buffer (b1)->ip.reass.ip_proto = ip1->protocol;
- if (IP_PROTOCOL_TCP == ip1->protocol)
+ if (l4_layer_truncated (ip1))
{
- vnet_buffer (b1)->ip.reass.icmp_type_or_tcp_flags =
- ((tcp_header_t *) (ip1 + 1))->flags;
- vnet_buffer (b1)->ip.reass.tcp_ack_number =
- ((tcp_header_t *) (ip1 + 1))->ack_number;
- vnet_buffer (b1)->ip.reass.tcp_seq_number =
- ((tcp_header_t *) (ip1 + 1))->seq_number;
+ vnet_buffer (b1)->ip.reass.l4_layer_truncated = 1;
+ vnet_buffer (b1)->ip.reass.l4_src_port = 0;
+ vnet_buffer (b1)->ip.reass.l4_dst_port = 0;
}
- else if (IP_PROTOCOL_ICMP == ip1->protocol)
+ else
{
- vnet_buffer (b1)->ip.reass.icmp_type_or_tcp_flags =
- ((icmp46_header_t *) (ip1 + 1))->type;
+ vnet_buffer (b1)->ip.reass.l4_layer_truncated = 0;
+ if (IP_PROTOCOL_TCP == ip1->protocol)
+ {
+ vnet_buffer (b1)->ip.reass.icmp_type_or_tcp_flags =
+ ((tcp_header_t *) (ip1 + 1))->flags;
+ vnet_buffer (b1)->ip.reass.tcp_ack_number =
+ ((tcp_header_t *) (ip1 + 1))->ack_number;
+ vnet_buffer (b1)->ip.reass.tcp_seq_number =
+ ((tcp_header_t *) (ip1 + 1))->seq_number;
+ }
+ else if (IP_PROTOCOL_ICMP == ip1->protocol)
+ {
+ vnet_buffer (b1)->ip.reass.icmp_type_or_tcp_flags =
+ ((icmp46_header_t *) (ip1 + 1))->type;
+ }
+ vnet_buffer (b1)->ip.reass.l4_src_port = ip4_get_port (ip1, 1);
+ vnet_buffer (b1)->ip.reass.l4_dst_port = ip4_get_port (ip1, 0);
}
- vnet_buffer (b1)->ip.reass.l4_src_port = ip4_get_port (ip1, 1);
- vnet_buffer (b1)->ip.reass.l4_dst_port = ip4_get_port (ip1, 0);
if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_sv_reass_add_trace (vm, node, rm, NULL, from[(b - 1) - bufs],
- REASS_PASSTHROUGH,
- vnet_buffer (b1)->ip.reass.ip_proto,
- vnet_buffer (b1)->ip.reass.l4_src_port,
- vnet_buffer (b1)->ip.reass.l4_dst_port);
+ ip4_sv_reass_add_trace (
+ vm, node, NULL, from[(b - 1) - bufs], REASS_PASSTHROUGH,
+ vnet_buffer (b1)->ip.reass.ip_proto,
+ vnet_buffer (b1)->ip.reass.l4_src_port,
+ vnet_buffer (b1)->ip.reass.l4_dst_port,
+ vnet_buffer (b1)->ip.reass.l4_layer_truncated);
}
n_left_from -= 2;
next[0] = next0;
next[1] = next1;
next += 2;
+ if (with_custom_context)
+ context += 2;
}
while (n_left_from > 0)
}
vnet_buffer (b0)->ip.reass.is_non_first_fragment = 0;
vnet_buffer (b0)->ip.reass.ip_proto = ip0->protocol;
- if (IP_PROTOCOL_TCP == ip0->protocol)
+ if (l4_layer_truncated (ip0))
{
- vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
- ((tcp_header_t *) (ip0 + 1))->flags;
- vnet_buffer (b0)->ip.reass.tcp_ack_number =
- ((tcp_header_t *) (ip0 + 1))->ack_number;
- vnet_buffer (b0)->ip.reass.tcp_seq_number =
- ((tcp_header_t *) (ip0 + 1))->seq_number;
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated = 1;
}
- else if (IP_PROTOCOL_ICMP == ip0->protocol)
+ else
{
- vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
- ((icmp46_header_t *) (ip0 + 1))->type;
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated = 0;
+ if (IP_PROTOCOL_TCP == ip0->protocol)
+ {
+ vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
+ ((tcp_header_t *) (ip0 + 1))->flags;
+ vnet_buffer (b0)->ip.reass.tcp_ack_number =
+ ((tcp_header_t *) (ip0 + 1))->ack_number;
+ vnet_buffer (b0)->ip.reass.tcp_seq_number =
+ ((tcp_header_t *) (ip0 + 1))->seq_number;
+ }
+ else if (IP_PROTOCOL_ICMP == ip0->protocol)
+ {
+ vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
+ ((icmp46_header_t *) (ip0 + 1))->type;
+ }
+ vnet_buffer (b0)->ip.reass.l4_src_port = ip4_get_port (ip0, 1);
+ vnet_buffer (b0)->ip.reass.l4_dst_port = ip4_get_port (ip0, 0);
}
- vnet_buffer (b0)->ip.reass.l4_src_port = ip4_get_port (ip0, 1);
- vnet_buffer (b0)->ip.reass.l4_dst_port = ip4_get_port (ip0, 0);
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_sv_reass_add_trace (vm, node, rm, NULL, from[(b - 1) - bufs],
- 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);
+ ip4_sv_reass_add_trace (
+ vm, node, NULL, from[(b - 1) - bufs], 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,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
n_left_from -= 1;
next[0] = next0;
next += 1;
+ if (with_custom_context)
+ context += 1;
}
vlib_buffer_enqueue_to_next (vm, node, from, (u16 *) nexts,
while (n_left_from > 0)
{
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ if (with_custom_context)
+ vlib_get_next_frame_with_aux_safe (vm, node, next_index, to_next,
+ to_next_aux, n_left_to_next);
+ else
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from > 0 && n_left_to_next > 0)
{
vlib_buffer_t *b0;
u32 next0;
u32 error0 = IP4_ERROR_NONE;
+ u8 forward_context = 0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
}
vnet_buffer (b0)->ip.reass.is_non_first_fragment = 0;
vnet_buffer (b0)->ip.reass.ip_proto = ip0->protocol;
- if (IP_PROTOCOL_TCP == ip0->protocol)
+ if (l4_layer_truncated (ip0))
{
- vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
- ((tcp_header_t *) (ip0 + 1))->flags;
- vnet_buffer (b0)->ip.reass.tcp_ack_number =
- ((tcp_header_t *) (ip0 + 1))->ack_number;
- vnet_buffer (b0)->ip.reass.tcp_seq_number =
- ((tcp_header_t *) (ip0 + 1))->seq_number;
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated = 1;
+ vnet_buffer (b0)->ip.reass.l4_src_port = 0;
+ vnet_buffer (b0)->ip.reass.l4_dst_port = 0;
}
- else if (IP_PROTOCOL_ICMP == ip0->protocol)
+ else
{
- vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
- ((icmp46_header_t *) (ip0 + 1))->type;
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated = 0;
+ if (IP_PROTOCOL_TCP == ip0->protocol)
+ {
+ vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
+ ((tcp_header_t *) (ip0 + 1))->flags;
+ vnet_buffer (b0)->ip.reass.tcp_ack_number =
+ ((tcp_header_t *) (ip0 + 1))->ack_number;
+ vnet_buffer (b0)->ip.reass.tcp_seq_number =
+ ((tcp_header_t *) (ip0 + 1))->seq_number;
+ }
+ else if (IP_PROTOCOL_ICMP == ip0->protocol)
+ {
+ vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags =
+ ((icmp46_header_t *) (ip0 + 1))->type;
+ }
+ vnet_buffer (b0)->ip.reass.l4_src_port =
+ ip4_get_port (ip0, 1);
+ vnet_buffer (b0)->ip.reass.l4_dst_port =
+ ip4_get_port (ip0, 0);
}
- vnet_buffer (b0)->ip.reass.l4_src_port = ip4_get_port (ip0, 1);
- vnet_buffer (b0)->ip.reass.l4_dst_port = ip4_get_port (ip0, 0);
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_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);
+ ip4_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,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
goto packet_enqueue;
}
ip4_sv_reass_kv_t kv;
u8 do_handoff = 0;
- kv.k.as_u64[0] =
- (u64) vec_elt (ip4_main.fib_index_by_sw_if_index,
- vnet_buffer (b0)->sw_if_index[VLIB_RX]) |
- (u64) ip0->src_address.as_u32 << 32;
- kv.k.as_u64[1] =
- (u64) ip0->dst_address.
- as_u32 | (u64) ip0->fragment_id << 32 | (u64) ip0->protocol << 48;
+ if (with_custom_context)
+ kv.k.as_u64[0] = (u64) *context | (u64) ip0->src_address.as_u32
+ << 32;
+ else
+ kv.k.as_u64[0] =
+ (u64) vec_elt (ip4_main.fib_index_by_sw_if_index,
+ vnet_buffer (b0)->sw_if_index[VLIB_RX]) |
+ (u64) ip0->src_address.as_u32 << 32;
+ kv.k.as_u64[1] = (u64) ip0->dst_address.as_u32 |
+ (u64) ip0->fragment_id << 32 |
+ (u64) ip0->protocol << 48;
ip4_sv_reass_t *reass =
ip4_sv_reass_find_or_create (vm, rm, rt, &kv, &do_handoff);
next0 = IP4_SV_REASSEMBLY_NEXT_HANDOFF;
vnet_buffer (b0)->ip.reass.owner_thread_index =
kv.v.thread_index;
+ if (with_custom_context)
+ forward_context = 1;
goto packet_enqueue;
}
vnet_buffer (b0)->ip.reass.l4_dst_port = reass->l4_dst_port;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip4_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_FORWARD,
- reass->ip_proto,
- reass->l4_src_port,
- reass->l4_dst_port);
+ ip4_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_FORWARD,
+ reass->ip_proto, reass->l4_src_port, reass->l4_dst_port,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
goto packet_enqueue;
}
ip4_sv_reass_rc_t rc =
- ip4_sv_reass_update (vm, node, rm, rt, ip0, reass, bi0);
+ ip4_sv_reass_update (vm, node, rm, ip0, reass, bi0);
+ u32 counter = ~0;
switch (rc)
{
case IP4_SV_REASS_RC_OK:
/* nothing to do here */
break;
case IP4_SV_REASS_RC_TOO_MANY_FRAGMENTS:
- vlib_node_increment_counter (vm, node->node_index,
- IP4_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG,
- 1);
- ip4_sv_reass_free (vm, rm, rt, reass);
- goto next_packet;
+ counter = IP4_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG;
break;
case IP4_SV_REASS_RC_UNSUPP_IP_PROTO:
- vlib_node_increment_counter (vm, node->node_index,
- IP4_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG,
- 1);
+ counter = IP4_ERROR_REASS_UNSUPP_IP_PROT;
+ break;
+ }
+ if (~0 != counter)
+ {
+ vlib_node_increment_counter (vm, node->node_index, counter, 1);
ip4_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))
{
- ip4_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_FORWARD,
- reass->ip_proto,
- reass->l4_src_port,
- reass->l4_dst_port);
+ ip4_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_FORWARD,
+ reass->ip_proto, reass->l4_src_port, reass->l4_dst_port,
+ vnet_buffer (b0)->ip.reass.l4_layer_truncated);
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, bi0,
next0);
}
- _vec_len (reass->cached_buffers) = 0; // buffers are owned by frame now
+ vec_set_len (reass->cached_buffers,
+ 0); // buffers are owned by frame now
}
goto next_packet;
b0 = vlib_get_buffer (vm, bi0);
vnet_feature_next (&next0, b0);
}
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
+ if (with_custom_context && forward_context)
+ {
+ if (to_next_aux)
+ {
+ to_next_aux[0] = *context;
+ to_next_aux += 1;
+ }
+ vlib_validate_buffer_enqueue_with_aux_x1 (
+ vm, node, next_index, to_next, to_next_aux, n_left_to_next,
+ bi0, *context, next0);
+ }
+ else
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
next_packet:
from += 1;
n_left_from -= 1;
+ if (with_custom_context)
+ context += 1;
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
return frame->n_vectors;
}
-static char *ip4_sv_reass_error_strings[] = {
-#define _(sym, string) string,
- foreach_ip4_error
-#undef _
-};
-
VLIB_NODE_FN (ip4_sv_reass_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return ip4_sv_reass_inline (vm, node, frame, false /* is_feature */ ,
- false /* is_output_feature */ ,
- false /* is_custom */ );
+ return ip4_sv_reass_inline (
+ vm, node, frame, false /* is_feature */, false /* is_output_feature */,
+ false /* is_custom */, false /* with_custom_context */);
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_node) = {
.name = "ip4-sv-reassembly",
.vector_size = sizeof (u32),
.format_trace = format_ip4_sv_reass_trace,
- .n_errors = ARRAY_LEN (ip4_sv_reass_error_strings),
- .error_strings = ip4_sv_reass_error_strings,
+ .n_errors = IP4_N_ERROR,
+ .error_counters = ip4_error_counters,
.n_next_nodes = IP4_SV_REASSEMBLY_N_NEXT,
.next_nodes =
{
},
};
-/* *INDENT-ON* */
VLIB_NODE_FN (ip4_sv_reass_node_feature) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return ip4_sv_reass_inline (vm, node, frame, true /* is_feature */ ,
- false /* is_output_feature */ ,
- false /* is_custom */ );
+ return ip4_sv_reass_inline (
+ vm, node, frame, true /* is_feature */, false /* is_output_feature */,
+ false /* is_custom */, false /* with_custom_context */);
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_node_feature) = {
.name = "ip4-sv-reassembly-feature",
.vector_size = sizeof (u32),
.format_trace = format_ip4_sv_reass_trace,
- .n_errors = ARRAY_LEN (ip4_sv_reass_error_strings),
- .error_strings = ip4_sv_reass_error_strings,
+ .n_errors = IP4_N_ERROR,
+ .error_counters = ip4_error_counters,
.n_next_nodes = IP4_SV_REASSEMBLY_N_NEXT,
.next_nodes =
{
[IP4_SV_REASSEMBLY_NEXT_HANDOFF] = "ip4-sv-reass-feature-hoff",
},
};
-/* *INDENT-ON* */
-/* *INDENT-OFF* */
VNET_FEATURE_INIT (ip4_sv_reass_feature) = {
.arc_name = "ip4-unicast",
.node_name = "ip4-sv-reassembly-feature",
.runs_before = VNET_FEATURES ("ip4-lookup"),
.runs_after = 0,
};
-/* *INDENT-ON* */
VLIB_NODE_FN (ip4_sv_reass_node_output_feature) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return ip4_sv_reass_inline (vm, node, frame, true /* is_feature */ ,
- true /* is_output_feature */ ,
- false /* is_custom */ );
+ return ip4_sv_reass_inline (
+ vm, node, frame, true /* is_feature */, true /* is_output_feature */,
+ false /* is_custom */, false /* with_custom_context */);
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_node_output_feature) = {
.name = "ip4-sv-reassembly-output-feature",
.vector_size = sizeof (u32),
.format_trace = format_ip4_sv_reass_trace,
- .n_errors = ARRAY_LEN (ip4_sv_reass_error_strings),
- .error_strings = ip4_sv_reass_error_strings,
+ .n_errors = IP4_N_ERROR,
+ .error_counters = ip4_error_counters,
.n_next_nodes = IP4_SV_REASSEMBLY_N_NEXT,
.next_nodes =
{
[IP4_SV_REASSEMBLY_NEXT_HANDOFF] = "ip4-sv-reass-feature-hoff",
},
};
-/* *INDENT-ON* */
-/* *INDENT-OFF* */
VNET_FEATURE_INIT (ip4_sv_reass_output_feature) = {
.arc_name = "ip4-output",
.node_name = "ip4-sv-reassembly-output-feature",
.runs_before = 0,
.runs_after = 0,
};
-/* *INDENT-ON* */
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_custom_node) = {
.name = "ip4-sv-reassembly-custom-next",
.vector_size = sizeof (u32),
.format_trace = format_ip4_sv_reass_trace,
- .n_errors = ARRAY_LEN (ip4_sv_reass_error_strings),
- .error_strings = ip4_sv_reass_error_strings,
+ .n_errors = IP4_N_ERROR,
+ .error_counters = ip4_error_counters,
.n_next_nodes = IP4_SV_REASSEMBLY_N_NEXT,
.next_nodes =
{
},
};
-/* *INDENT-ON* */
VLIB_NODE_FN (ip4_sv_reass_custom_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return ip4_sv_reass_inline (vm, node, frame, false /* is_feature */ ,
- false /* is_output_feature */ ,
- true /* is_custom */ );
+ return ip4_sv_reass_inline (
+ vm, node, frame, false /* is_feature */, false /* is_output_feature */,
+ true /* is_custom */, false /* with_custom_context */);
+}
+
+VLIB_REGISTER_NODE (ip4_sv_reass_custom_context_node) = {
+ .name = "ip4-sv-reassembly-custom-context",
+ .vector_size = sizeof (u32),
+ .aux_size = sizeof(u32),
+ .format_trace = format_ip4_sv_reass_trace,
+ .n_errors = IP4_N_ERROR,
+ .error_counters = ip4_error_counters,
+ .n_next_nodes = IP4_SV_REASSEMBLY_N_NEXT,
+ .next_nodes =
+ {
+ [IP4_SV_REASSEMBLY_NEXT_INPUT] = "ip4-input",
+ [IP4_SV_REASSEMBLY_NEXT_DROP] = "ip4-drop",
+ [IP4_SV_REASSEMBLY_NEXT_HANDOFF] = "ip4-sv-reassembly-custom-context-handoff",
+
+ },
+};
+
+VLIB_NODE_FN (ip4_sv_reass_custom_context_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ return ip4_sv_reass_inline (
+ vm, node, frame, false /* is_feature */, false /* is_output_feature */,
+ true /* is_custom */, true /* with_custom_context */);
}
#ifndef CLIB_MARCH_VARIANT
rm->fq_index = vlib_frame_queue_main_init (ip4_sv_reass_node.index, 0);
rm->fq_feature_index =
vlib_frame_queue_main_init (ip4_sv_reass_node_feature.index, 0);
+ rm->fq_custom_context_index =
+ vlib_frame_queue_main_init (ip4_sv_reass_custom_context_node.index, 0);
rm->feature_use_refcount_per_intf = NULL;
rm->output_feature_use_refcount_per_intf = NULL;
#endif /* CLIB_MARCH_VARIANT */
static uword
-ip4_sv_reass_walk_expired (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * f)
+ip4_sv_reass_walk_expired (vlib_main_t *vm,
+ CLIB_UNUSED (vlib_node_runtime_t *node),
+ CLIB_UNUSED (vlib_frame_t *f))
{
ip4_sv_reass_main_t *rm = &ip4_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 IP4_EVENT_CONFIG_CHANGED:
+ /* nothing to do here */
break;
default:
clib_warning ("BUG: event type 0x%wx", event_type);
clib_spinlock_lock (&rt->lock);
vec_reset_length (pool_indexes_to_free);
- /* *INDENT-OFF* */
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* */
vec_foreach (i, pool_indexes_to_free)
{
ip4_sv_reass_t *reass = pool_elt_at_index (rt->pool, i[0]);
ip4_sv_reass_free (vm, rm, rt, reass);
}
- /* *INDENT-ON* */
clib_spinlock_unlock (&rt->lock);
}
vec_free (pool_indexes_to_free);
if (event_data)
{
- _vec_len (event_data) = 0;
+ vec_set_len (event_data, 0);
}
}
return 0;
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_expire_node) = {
- .function = ip4_sv_reass_walk_expired,
- .type = VLIB_NODE_TYPE_PROCESS,
- .name = "ip4-sv-reassembly-expire-walk",
- .format_trace = format_ip4_sv_reass_trace,
- .n_errors = ARRAY_LEN (ip4_sv_reass_error_strings),
- .error_strings = ip4_sv_reass_error_strings,
-
+ .function = ip4_sv_reass_walk_expired,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "ip4-sv-reassembly-expire-walk",
+ .format_trace = format_ip4_sv_reass_trace,
+ .n_errors = IP4_N_ERROR,
+ .error_counters = ip4_error_counters,
};
-/* *INDENT-ON* */
static u8 *
format_ip4_sv_reass_key (u8 * s, va_list * args)
{
ip4_sv_reass_key_t *key = va_arg (*args, ip4_sv_reass_key_t *);
s =
- format (s,
- "xx_id: %u, src: %U, dst: %U, frag_id: %u, proto: %u",
- key->xx_id, format_ip4_address, &key->src, format_ip4_address,
+ format (s, "fib_index: %u, src: %U, dst: %U, frag_id: %u, proto: %u",
+ key->fib_index, format_ip4_address, &key->src, format_ip4_address,
&key->dst, clib_net_to_host_u16 (key->frag_id), key->proto);
return s;
}
clib_spinlock_lock (&rt->lock);
if (details)
{
- /* *INDENT-OFF* */
pool_foreach (reass, rt->pool) {
vlib_cli_output (vm, "%U", format_ip4_sv_reass, vm, reass);
}
- /* *INDENT-ON* */
}
sum_reass_n += rt->reass_n;
clib_spinlock_unlock (&rt->lock);
vlib_cli_output (vm,
"Maximum configured concurrent shallow virtual IP4 reassemblies per worker-thread: %lu\n",
(long unsigned) rm->max_reass_n);
+ vlib_cli_output (vm,
+ "Maximum configured amount of fragments per shallow "
+ "virtual IP4 reassembly: %lu\n",
+ (long unsigned) rm->max_reass_len);
vlib_cli_output (vm,
"Maximum configured shallow virtual IP4 reassembly timeout: %lums\n",
(long unsigned) rm->timeout_ms);
return 0;
}
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_ip4_sv_reass_cmd, static) = {
.path = "show ip4-sv-reassembly",
.short_help = "show ip4-sv-reassembly [details]",
.function = show_ip4_reass,
};
-/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
vnet_api_error_t
}
always_inline uword
-ip4_sv_reass_handoff_node_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame, bool is_feature)
+ip4_sv_reass_handoff_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame, bool is_feature,
+ bool is_custom_context)
{
ip4_sv_reass_main_t *rm = &ip4_sv_reass_main;
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
- u32 n_enq, n_left_from, *from;
+ u32 n_enq, n_left_from, *from, *context;
u16 thread_indices[VLIB_FRAME_SIZE], *ti;
u32 fq_index;
from = vlib_frame_vector_args (frame);
+ if (is_custom_context)
+ context = vlib_frame_aux_args (frame);
+
n_left_from = frame->n_vectors;
vlib_get_buffers (vm, from, bufs, n_left_from);
b = bufs;
ti = thread_indices;
- fq_index = (is_feature) ? rm->fq_feature_index : rm->fq_index;
+ fq_index = (is_feature) ? rm->fq_feature_index :
+ (is_custom_context ? rm->fq_custom_context_index :
+ rm->fq_index);
while (n_left_from > 0)
{
ti += 1;
b += 1;
}
- n_enq =
- vlib_buffer_enqueue_to_thread (vm, fq_index, from, thread_indices,
- frame->n_vectors, 1);
+ if (is_custom_context)
+ n_enq = vlib_buffer_enqueue_to_thread_with_aux (
+ vm, node, fq_index, from, context, thread_indices, frame->n_vectors, 1);
+ else
+ 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,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return ip4_sv_reass_handoff_node_inline (vm, node, frame,
- false /* is_feature */ );
+ return ip4_sv_reass_handoff_node_inline (
+ vm, node, frame, false /* is_feature */, false /* is_custom_context */);
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_handoff_node) = {
.name = "ip4-sv-reassembly-handoff",
.vector_size = sizeof (u32),
[0] = "error-drop",
},
};
-/* *INDENT-ON* */
+VLIB_NODE_FN (ip4_sv_reass_custom_context_handoff_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ return ip4_sv_reass_handoff_node_inline (
+ vm, node, frame, false /* is_feature */, true /* is_custom_context */);
+}
+
+VLIB_REGISTER_NODE (ip4_sv_reass_custom_context_handoff_node) = {
+ .name = "ip4-sv-reassembly-custom-context-handoff",
+ .vector_size = sizeof (u32),
+ .aux_size = sizeof (u32),
+ .n_errors = ARRAY_LEN(ip4_sv_reass_handoff_error_strings),
+ .error_strings = ip4_sv_reass_handoff_error_strings,
+ .format_trace = format_ip4_sv_reass_handoff_trace,
+
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "error-drop",
+ },
+};
-/* *INDENT-OFF* */
VLIB_NODE_FN (ip4_sv_reass_feature_handoff_node) (vlib_main_t * vm,
vlib_node_runtime_t *
node,
vlib_frame_t * frame)
{
- return ip4_sv_reass_handoff_node_inline (vm, node, frame,
- true /* is_feature */ );
+ return ip4_sv_reass_handoff_node_inline (
+ vm, node, frame, true /* is_feature */, false /* is_custom_context */);
}
-/* *INDENT-ON* */
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_sv_reass_feature_handoff_node) = {
.name = "ip4-sv-reass-feature-hoff",
.vector_size = sizeof (u32),
[0] = "error-drop",
},
};
-/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
int
node_index);
}
+uword
+ip4_sv_reass_custom_context_register_next_node (uword node_index)
+{
+ return vlib_node_add_next (
+ vlib_get_main (), ip4_sv_reass_custom_context_node.index, node_index);
+}
+
int
ip4_sv_reass_output_enable_disable_with_refcnt (u32 sw_if_index,
int is_enable)