/*
- * Copyright (c) 2017-2019 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;
-typedef enum
+#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_
{
- UDP_CONN_F_CONNECTED = 1 << 0, /**< connected mode */
- UDP_CONN_F_OWNS_PORT = 1 << 1, /**< port belong to conn (UDPC) */
- UDP_CONN_F_CLOSING = 1 << 2, /**< conn closed with data */
+#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 */
clib_spinlock_t rx_lock; /**< rx fifo lock */
u8 flags; /**< connection flags */
+ u16 mss; /**< connection mss */
} udp_connection_t;
#define foreach_udp4_dst_port \
clib_spinlock_t *peekers_write_locks;
udp_connection_t *listener_pool;
+ u16 default_mtu;
} udp_main_t;
extern udp_main_t udp_main;
}
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);
/**
udp_pool_add_peeker (thread_index);
old_c = udp_main.connections[thread_index] + connection_index;
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);
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,
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);
uh->checksum = 0;
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;
}