u8 bound;
} udp_local_rx_trace_t;
+static vlib_error_desc_t udp_error_counters[] = {
+#define udp_error(f, n, s, d) { #n, d, VL_COUNTER_SEVERITY_##s },
+#include "udp_error.def"
+#undef udp_error
+};
+
#define UDP_NO_NODE_SET ((u16) ~0)
#ifndef CLIB_MARCH_VARIANT
}
#endif /* CLIB_MARCH_VARIANT */
+always_inline void
+udp_dispatch_error (vlib_node_runtime_t *node, vlib_buffer_t *b, u32 advance,
+ u8 is_ip4, u32 *next)
+{
+ udp_main_t *um = &udp_main;
+ u8 punt_unknown = is_ip4 ? um->punt_unknown4 : um->punt_unknown6;
+
+ if (PREDICT_FALSE (punt_unknown))
+ {
+ vlib_buffer_advance (b, -(word) advance);
+ b->error = node->errors[UDP_ERROR_PUNT];
+ *next = UDP_LOCAL_NEXT_PUNT;
+ }
+ else if (um->icmp_send_unreachable_disabled)
+ {
+ *next = UDP_LOCAL_NEXT_DROP;
+ b->error = node->errors[UDP_ERROR_NO_LISTENER];
+ }
+ else
+ {
+ /* move the pointer back so icmp-error can find the ip packet header */
+ vlib_buffer_advance (b, -(word) advance);
+
+ if (is_ip4)
+ {
+ icmp4_error_set_vnet_buffer (
+ b, ICMP4_destination_unreachable,
+ ICMP4_destination_unreachable_port_unreachable, 0);
+ b->error = node->errors[UDP_ERROR_NO_LISTENER];
+ *next = UDP_LOCAL_NEXT_ICMP;
+ }
+ else
+ {
+ icmp6_error_set_vnet_buffer (
+ b, ICMP6_destination_unreachable,
+ ICMP6_destination_unreachable_port_unreachable, 0);
+ b->error = node->errors[UDP_ERROR_NO_LISTENER];
+ *next = UDP_LOCAL_NEXT_ICMP;
+ }
+ }
+}
+
always_inline uword
udp46_local_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
{
udp_main_t *um = &udp_main;
__attribute__ ((unused)) u32 n_left_from, next_index, *from, *to_next;
- word n_no_listener = 0;
- u8 punt_unknown = is_ip4 ? um->punt_unknown4 : um->punt_unknown6;
u16 *next_by_dst_port = (is_ip4 ?
um->next_by_dst_port4 : um->next_by_dst_port6);
from = vlib_frame_vector_args (from_frame);
/* ip4/6_local hands us the ip header, not the udp header */
if (is_ip4)
{
- advance0 = sizeof (ip4_header_t);
- advance1 = sizeof (ip4_header_t);
+ advance0 = ip4_header_bytes (vlib_buffer_get_current (b0));
+ advance1 = ip4_header_bytes (vlib_buffer_get_current (b1));
}
else
{
if (PREDICT_FALSE (i0 == SPARSE_VEC_INVALID_INDEX ||
next0 == UDP_NO_NODE_SET))
{
- // move the pointer back so icmp-error can find the
- // ip packet header
- vlib_buffer_advance (b0, -(word) advance0);
-
- if (PREDICT_FALSE (punt_unknown))
- {
- b0->error = node->errors[UDP_ERROR_PUNT];
- next0 = UDP_LOCAL_NEXT_PUNT;
- }
- else if (is_ip4)
- {
- icmp4_error_set_vnet_buffer (b0,
- ICMP4_destination_unreachable,
- ICMP4_destination_unreachable_port_unreachable,
- 0);
- next0 = UDP_LOCAL_NEXT_ICMP;
- n_no_listener++;
- }
- else
- {
- icmp6_error_set_vnet_buffer (b0,
- ICMP6_destination_unreachable,
- ICMP6_destination_unreachable_port_unreachable,
- 0);
- next0 = UDP_LOCAL_NEXT_ICMP;
- n_no_listener++;
- }
+ udp_dispatch_error (node, b0, advance0, is_ip4, &next0);
}
else
{
if (PREDICT_FALSE (i1 == SPARSE_VEC_INVALID_INDEX ||
next1 == UDP_NO_NODE_SET))
{
- // move the pointer back so icmp-error can find the
- // ip packet header
- vlib_buffer_advance (b1, -(word) advance1);
-
- if (PREDICT_FALSE (punt_unknown))
- {
- b1->error = node->errors[UDP_ERROR_PUNT];
- next1 = UDP_LOCAL_NEXT_PUNT;
- }
- else if (is_ip4)
- {
- icmp4_error_set_vnet_buffer (b1,
- ICMP4_destination_unreachable,
- ICMP4_destination_unreachable_port_unreachable,
- 0);
- next1 = UDP_LOCAL_NEXT_ICMP;
- n_no_listener++;
- }
- else
- {
- icmp6_error_set_vnet_buffer (b1,
- ICMP6_destination_unreachable,
- ICMP6_destination_unreachable_port_unreachable,
- 0);
- next1 = UDP_LOCAL_NEXT_ICMP;
- n_no_listener++;
- }
+ udp_dispatch_error (node, b1, advance1, is_ip4, &next1);
}
else
{
/* ip4/6_local hands us the ip header, not the udp header */
if (is_ip4)
- advance0 = sizeof (ip4_header_t);
+ advance0 = ip4_header_bytes (vlib_buffer_get_current (b0));
else
advance0 = sizeof (ip6_header_t);
if (PREDICT_FALSE ((i0 == SPARSE_VEC_INVALID_INDEX) ||
next0 == UDP_NO_NODE_SET))
{
- // move the pointer back so icmp-error can find the
- // ip packet header
- vlib_buffer_advance (b0, -(word) advance0);
-
- if (PREDICT_FALSE (punt_unknown))
- {
- b0->error = node->errors[UDP_ERROR_PUNT];
- next0 = UDP_LOCAL_NEXT_PUNT;
- }
- else if (is_ip4)
- {
- icmp4_error_set_vnet_buffer (b0,
- ICMP4_destination_unreachable,
- ICMP4_destination_unreachable_port_unreachable,
- 0);
- next0 = UDP_LOCAL_NEXT_ICMP;
- n_no_listener++;
- }
- else
- {
- icmp6_error_set_vnet_buffer (b0,
- ICMP6_destination_unreachable,
- ICMP6_destination_unreachable_port_unreachable,
- 0);
- next0 = UDP_LOCAL_NEXT_ICMP;
- n_no_listener++;
- }
+ udp_dispatch_error (node, b0, advance0, is_ip4, &next0);
}
else
{
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_error_count (vm, node->node_index, UDP_ERROR_NO_LISTENER,
- n_no_listener);
return from_frame->n_vectors;
}
-static char *udp_error_strings[] = {
-#define udp_error(n,s) s,
-#include "udp_error.def"
-#undef udp_error
-};
-
VLIB_NODE_FN (udp4_local_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
.vector_size = sizeof (u32),
.n_errors = UDP_N_ERROR,
- .error_strings = udp_error_strings,
+ .error_counters = udp_error_counters,
.n_next_nodes = UDP_LOCAL_N_NEXT,
.next_nodes = {
.vector_size = sizeof (u32),
.n_errors = UDP_N_ERROR,
- .error_strings = udp_error_strings,
+ .error_counters = udp_error_counters,
.n_next_nodes = UDP_LOCAL_N_NEXT,
.next_nodes = {
/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
-static void
-add_dst_port (udp_main_t * um,
- udp_dst_port_t dst_port, char *dst_port_name, u8 is_ip4)
+void
+udp_add_dst_port (udp_main_t * um, udp_dst_port_t dst_port,
+ char *dst_port_name, u8 is_ip4)
{
udp_dst_port_info_t *pi;
u32 i;
pi = udp_get_dst_port_info (um, dst_port, is_ip4);
if (!pi)
{
- add_dst_port (um, dst_port, 0, is_ip4);
+ udp_add_dst_port (um, dst_port, 0, is_ip4);
pi = udp_get_dst_port_info (um, dst_port, is_ip4);
ASSERT (pi);
}
n[0] = UDP_NO_NODE_SET;
}
-bool
+u8
udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4)
{
udp_main_t *um = &udp_main;
( /* elt bytes */ sizeof (um->next_by_dst_port6[0]),
/* bits in index */ BITS (((udp_header_t *) 0)->dst_port));
-#define _(n,s) add_dst_port (um, UDP_DST_PORT_##s, #s, 1 /* is_ip4 */);
+#define _(n,s) udp_add_dst_port (um, UDP_DST_PORT_##s, #s, 1 /* is_ip4 */);
foreach_udp4_dst_port
#undef _
-#define _(n,s) add_dst_port (um, UDP_DST_PORT_##s, #s, 0 /* is_ip4 */);
+#define _(n,s) udp_add_dst_port (um, UDP_DST_PORT_##s, #s, 0 /* is_ip4 */);
foreach_udp6_dst_port
#undef _
ip4_register_protocol (IP_PROTOCOL_UDP, udp4_local_node.index);
Code Review / vpp.git / blobdiff