/*
* node.c: udp packet processing
*
- * Copyright (c) 2013 Cisco and/or its affiliates.
+ * Copyright (c) 2013-2019 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:
#include <vnet/udp/udp_packet.h>
#include <vppinfra/sparse_vec.h>
-udp_main_t udp_main;
-
#define foreach_udp_local_next \
- _ (PUNT, "error-punt") \
- _ (DROP, "error-drop") \
+ _ (PUNT4, "ip4-punt") \
+ _ (PUNT6, "ip6-punt") \
+ _ (DROP4, "ip4-drop") \
+ _ (DROP6, "ip6-drop") \
_ (ICMP4_ERROR, "ip4-icmp-error") \
_ (ICMP6_ERROR, "ip6-icmp-error")
UDP_LOCAL_N_NEXT,
} udp_local_next_t;
+#define udp_local_next_drop(is_ip4) ((is_ip4) ? UDP_LOCAL_NEXT_DROP4 : UDP_LOCAL_NEXT_DROP6)
+#define udp_local_next_punt(is_ip4) ((is_ip4) ? UDP_LOCAL_NEXT_PUNT4 : UDP_LOCAL_NEXT_PUNT6)
+
typedef struct
{
u16 src_port;
u8 bound;
} udp_local_rx_trace_t;
+#ifndef CLIB_MARCH_VARIANT
u8 *
format_udp_rx_trace (u8 * s, va_list * args)
{
t->bound ? "" : " (no listener)");
return s;
}
-
-vlib_node_registration_t udp4_local_node;
-vlib_node_registration_t udp6_local_node;
+#endif /* CLIB_MARCH_VARIANT */
always_inline uword
udp46_local_inline (vlib_main_t * vm,
if (PREDICT_FALSE (b0->current_length < advance0 + sizeof (*h0)))
{
error0 = UDP_ERROR_LENGTH_ERROR;
- next0 = UDP_LOCAL_NEXT_DROP;
+ next0 = udp_local_next_drop (is_ip4);
}
else
{
vlib_buffer_length_in_chain (vm, b0)))
{
error0 = UDP_ERROR_LENGTH_ERROR;
- next0 = UDP_LOCAL_NEXT_DROP;
+ next0 = udp_local_next_drop (is_ip4);
}
}
if (PREDICT_FALSE (b1->current_length < advance1 + sizeof (*h1)))
{
error1 = UDP_ERROR_LENGTH_ERROR;
- next1 = UDP_LOCAL_NEXT_DROP;
+ next1 = udp_local_next_drop (is_ip4);
}
else
{
vlib_buffer_length_in_chain (vm, b1)))
{
error1 = UDP_ERROR_LENGTH_ERROR;
- next1 = UDP_LOCAL_NEXT_DROP;
+ next1 = udp_local_next_drop (is_ip4);
}
}
if (PREDICT_FALSE (punt_unknown))
{
b0->error = node->errors[UDP_ERROR_PUNT];
- next0 = UDP_LOCAL_NEXT_PUNT;
+ next0 = udp_local_next_punt (is_ip4);
}
else if (is_ip4)
{
if (PREDICT_FALSE (punt_unknown))
{
b1->error = node->errors[UDP_ERROR_PUNT];
- next1 = UDP_LOCAL_NEXT_PUNT;
+ next1 = udp_local_next_punt (is_ip4);
}
else if (is_ip4)
{
if (PREDICT_FALSE (b0->current_length < advance0 + sizeof (*h0)))
{
b0->error = node->errors[UDP_ERROR_LENGTH_ERROR];
- next0 = UDP_LOCAL_NEXT_DROP;
+ next0 = udp_local_next_drop (is_ip4);
goto trace_x1;
}
if (PREDICT_FALSE (punt_unknown))
{
b0->error = node->errors[UDP_ERROR_PUNT];
- next0 = UDP_LOCAL_NEXT_PUNT;
+ next0 = udp_local_next_punt (is_ip4);
}
else if (is_ip4)
{
else
{
b0->error = node->errors[UDP_ERROR_LENGTH_ERROR];
- next0 = UDP_LOCAL_NEXT_DROP;
+ next0 = udp_local_next_drop (is_ip4);
}
trace_x1:
#undef udp_error
};
-static uword
-udp4_local (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+VLIB_NODE_FN (udp4_local_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
return udp46_local_inline (vm, node, from_frame, 1 /* is_ip4 */ );
}
-static uword
-udp6_local (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+VLIB_NODE_FN (udp6_local_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
return udp46_local_inline (vm, node, from_frame, 0 /* is_ip4 */ );
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (udp4_local_node) = {
- .function = udp4_local,
.name = "ip4-udp-lookup",
/* Takes a vector of packets. */
.vector_size = sizeof (u32),
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (udp4_local_node, udp4_local);
-
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (udp6_local_node) = {
- .function = udp6_local,
.name = "ip6-udp-lookup",
/* Takes a vector of packets. */
.vector_size = sizeof (u32),
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (udp6_local_node, udp6_local);
-
+#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)
n[0] = SPARSE_VEC_INVALID_INDEX;
}
+bool
+udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4)
+{
+ udp_main_t *um = &udp_main;
+ u16 *n;
+
+ if (is_ip4)
+ n = sparse_vec_validate (um->next_by_dst_port4,
+ clib_host_to_net_u16 (dst_port));
+ else
+ n = sparse_vec_validate (um->next_by_dst_port6,
+ clib_host_to_net_u16 (dst_port));
+
+ return (n[0] != SPARSE_VEC_INVALID_INDEX);
+}
+
void
udp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add)
{
udp = p;
}
- memset (udp, 0, sizeof (udp[0]));
+ clib_memset (udp, 0, sizeof (udp[0]));
if (unformat (input, "src-port %d dst-port %d", &src_port, &dst_port))
{
udp->src_port = clib_host_to_net_u16 (src_port);
}
VLIB_INIT_FUNCTION (udp_local_init);
+#endif /* CLIB_MARCH_VARIANT */
/*
* fd.io coding-style-patch-verification: ON