/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2020 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:
UDP_N_ERROR,
} udp_error_t;
+#define foreach_udp_connection_flag \
+ _(CONNECTED, "CONNECTED") /**< connected mode */ \
+ _(OWNS_PORT, "OWNS_PORT") /**< port belong to conn (UDPC) */ \
+ _(CLOSING, "CLOSING") /**< conn closed with data */ \
+ _(LISTEN, "LISTEN") /**< conn is listening */ \
+ _(MIGRATED, "MIGRATED") /**< cloned to another thread */ \
+
+enum udp_conn_flags_bits
+{
+#define _(sym, str) UDP_CONN_F_BIT_##sym,
+ foreach_udp_connection_flag
+#undef _
+ UDP_CONN_N_FLAGS
+};
+
+typedef enum udp_conn_flags_
+{
+#define _(sym, str) UDP_CONN_F_##sym = 1 << UDP_CONN_F_BIT_##sym,
+ foreach_udp_connection_flag
+#undef _
+} udp_conn_flags_t;
+
typedef struct
{
- transport_connection_t connection; /** must be first */
- /** ersatz MTU to limit fifo pushes to test data size */
- u32 mtu;
+ /** Required for pool_get_aligned */
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ transport_connection_t connection; /**< must be first */
+ clib_spinlock_t rx_lock; /**< rx fifo lock */
+ u8 flags; /**< connection flags */
+ u16 mss; /**< connection mss */
} udp_connection_t;
#define foreach_udp4_dst_port \
_ (3785, bfd_echo4) \
_ (4341, lisp_gpe) \
_ (4342, lisp_cp) \
+_ (4500, ipsec) \
_ (4739, ipfix) \
_ (4789, vxlan) \
_ (4789, vxlan6) \
+_ (48879, vxlan_gbp) \
_ (4790, VXLAN_GPE) \
_ (6633, vpath_3) \
_ (6081, geneve) \
_ (3785, bfd_echo6) \
_ (4341, lisp_gpe6) \
_ (4342, lisp_cp6) \
+_ (48879, vxlan6_gbp) \
_ (4790, VXLAN6_GPE) \
_ (6633, vpath6_3) \
_ (6081, geneve6) \
+_ (8138, BIER) \
_ (53053, dns_reply6)
typedef enum
/* Name (a c string). */
char *name;
- /* GRE protocol type in host byte order. */
+ /* Port number in host byte order. */
udp_dst_port_t dst_port;
/* Node which handles this type. */
/* Next index for this type. */
u32 next_index;
+
+ /* UDP sessions refcount (not tunnels) */
+ u32 n_connections;
+
+ /* Parser for packet generator edits for this protocol */
+ unformat_function_t *unformat_pg_edit;
} udp_dst_port_info_t;
typedef enum
u8 punt_unknown4;
u8 punt_unknown6;
+ /* Udp local to input arc index */
+ u32 local_to_input_edge[N_UDP_AF];
+
/*
* Per-worker thread udp connection pools used with session layer
*/
clib_spinlock_t *peekers_write_locks;
udp_connection_t *listener_pool;
+ u16 default_mtu;
} udp_main_t;
extern udp_main_t udp_main;
extern vlib_node_registration_t udp4_input_node;
extern vlib_node_registration_t udp6_input_node;
+extern vlib_node_registration_t udp4_local_node;
+extern vlib_node_registration_t udp6_local_node;
always_inline udp_connection_t *
udp_connection_get (u32 conn_index, u32 thread_index)
}
always_inline udp_connection_t *
-udp_get_connection_from_transport (transport_connection_t * tc)
+udp_connection_from_transport (transport_connection_t * tc)
{
return ((udp_connection_t *) tc);
}
return (uc - udp_main.connections[uc->c_thread_index]);
}
+void udp_connection_free (udp_connection_t * uc);
udp_connection_t *udp_connection_alloc (u32 thread_index);
/**
}
always_inline udp_connection_t *
-udp_conenction_clone_safe (u32 connection_index, u32 thread_index)
+udp_connection_clone_safe (u32 connection_index, u32 thread_index)
{
udp_connection_t *old_c, *new_c;
u32 current_thread_index = vlib_get_thread_index ();
*/
udp_pool_add_peeker (thread_index);
old_c = udp_main.connections[thread_index] + connection_index;
- clib_memcpy (new_c, old_c, sizeof (*new_c));
+ clib_memcpy_fast (new_c, old_c, sizeof (*new_c));
+ old_c->flags |= UDP_CONN_F_MIGRATED;
udp_pool_remove_peeker (thread_index);
new_c->c_thread_index = current_thread_index;
new_c->c_c_index = udp_connection_index (new_c);
+ new_c->c_fib_index = old_c->c_fib_index;
return new_c;
}
-
always_inline udp_dst_port_info_t *
udp_get_dst_port_info (udp_main_t * um, udp_dst_port_t dst_port, u8 is_ip4)
{
format_function_t format_udp_header;
format_function_t format_udp_rx_trace;
+format_function_t format_udp_connection;
unformat_function_t unformat_udp_header;
+void udp_add_dst_port (udp_main_t * um, udp_dst_port_t dst_port,
+ char *dst_port_name, u8 is_ip4);
void udp_register_dst_port (vlib_main_t * vm,
udp_dst_port_t dst_port,
u32 node_index, u8 is_ip4);
void udp_unregister_dst_port (vlib_main_t * vm,
udp_dst_port_t dst_port, u8 is_ip4);
+bool udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4);
+void udp_connection_share_port (u16 lcl_port, u8 is_ip4);
void udp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);
vlib_buffer_push_udp (vlib_buffer_t * b, u16 sp, u16 dp, u8 offload_csum)
{
udp_header_t *uh;
+ u16 udp_len = sizeof (udp_header_t) + b->current_length;
+ if (PREDICT_FALSE (b->flags & VLIB_BUFFER_TOTAL_LENGTH_VALID))
+ udp_len += b->total_length_not_including_first_buffer;
uh = vlib_buffer_push_uninit (b, sizeof (udp_header_t));
uh->src_port = sp;
uh->dst_port = dp;
uh->checksum = 0;
- uh->length = clib_host_to_net_u16 (b->current_length);
+ uh->length = clib_host_to_net_u16 (udp_len);
if (offload_csum)
- {
- b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
- vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data;
- }
+ b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data;
+ b->flags |= VNET_BUFFER_F_L4_HDR_OFFSET_VALID;
return uh;
}
ip0 = vlib_buffer_get_current (b0);
/* Apply the encap string. */
- clib_memcpy (ip0, ec0, ec_len);
+ clib_memcpy_fast (ip0, ec0, ec_len);
ip_udp_fixup_one (vm, b0, 1);
}
else
ip0 = vlib_buffer_get_current (b0);
/* Apply the encap string. */
- clib_memcpy (ip0, ec0, ec_len);
+ clib_memcpy_fast (ip0, ec0, ec_len);
ip_udp_fixup_one (vm, b0, 0);
}
}
ip1 = vlib_buffer_get_current (b1);
/* Apply the encap string */
- clib_memcpy (ip0, ec0, ec_len);
- clib_memcpy (ip1, ec1, ec_len);
+ clib_memcpy_fast (ip0, ec0, ec_len);
+ clib_memcpy_fast (ip1, ec1, ec_len);
/* fix the <bleep>ing outer-IP checksum */
sum0 = ip0->checksum;
ip1 = vlib_buffer_get_current (b1);
/* Apply the encap string. */
- clib_memcpy (ip0, ec0, ec_len);
- clib_memcpy (ip1, ec1, ec_len);
+ clib_memcpy_fast (ip0, ec0, ec_len);
+ clib_memcpy_fast (ip1, ec1, ec_len);
new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
- sizeof (*ip0));
Code Review / vpp.git / blobdiff