2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2019 Isilon Systems, LLC.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef DEBUGNET_INTERNAL
33 #error "Don't include this"
36 #define DNETDEBUG(f, ...) do { \
37 if (debugnet_debug > 0) \
38 printf(("%s: " f), __func__, ## __VA_ARGS__); \
40 #define DNETDEBUG_IF(i, f, ...) do { \
41 if (debugnet_debug > 0) \
42 if_printf((i), ("%s: " f), __func__, ## __VA_ARGS__); \
44 #define DNETDEBUGV(f, ...) do { \
45 if (debugnet_debug > 1) \
46 printf(("%s: " f), __func__, ## __VA_ARGS__); \
52 DN_STATE_GOT_HERALD_PORT,
53 DN_STATE_REMOTE_CLOSED,
57 uint64_t dp_rcvd_acks;
64 struct ether_addr dp_gw_mac;
65 uint16_t dp_server_port;
68 /* Saved driver if_input to restore on close. */
69 void (*dp_drv_input)(struct ifnet *, struct mbuf *);
71 /* RX handler for bidirectional protocols. */
72 void (*dp_rx_handler)(struct debugnet_pcb *,
75 enum dnet_pcb_st dp_state;
76 uint16_t dp_client_port;
77 bool dp_event_started;
80 /* TODO(CEM): Obviate this assertion by using a BITSET(9) for acks. */
81 CTASSERT(sizeof(((struct debugnet_pcb *)0)->dp_rcvd_acks) * NBBY >=
82 DEBUGNET_MAX_IN_FLIGHT);
84 extern unsigned debugnet_debug;
85 SYSCTL_DECL(_net_debugnet);
87 int debugnet_ether_output(struct mbuf *, struct ifnet *, struct ether_addr,
89 void debugnet_handle_udp(struct debugnet_pcb *, struct mbuf **);
92 int debugnet_arp_gw(struct debugnet_pcb *);
93 void debugnet_handle_arp(struct debugnet_pcb *, struct mbuf **);
94 void debugnet_handle_ip(struct debugnet_pcb *, struct mbuf **);
95 int debugnet_ip_output(struct debugnet_pcb *, struct mbuf *);