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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2019 Isilon Systems, LLC.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#pragma once
#ifndef DEBUGNET_INTERNAL
#error "Don't include this"
#endif
#define DNETDEBUG(f, ...) do { \
if (debugnet_debug > 0) \
printf(("%s: " f), __func__, ## __VA_ARGS__); \
} while (0)
#define DNETDEBUG_IF(i, f, ...) do { \
if (debugnet_debug > 0) \
if_printf((i), ("%s: " f), __func__, ## __VA_ARGS__); \
} while (0)
#define DNETDEBUGV(f, ...) do { \
if (debugnet_debug > 1) \
printf(("%s: " f), __func__, ## __VA_ARGS__); \
} while (0)
enum dnet_pcb_st {
DN_STATE_INIT = 1,
DN_STATE_HAVE_GW_MAC,
DN_STATE_GOT_HERALD_PORT,
DN_STATE_REMOTE_CLOSED,
};
struct debugnet_pcb {
uint64_t dp_rcvd_acks;
in_addr_t dp_client;
in_addr_t dp_server;
in_addr_t dp_gateway;
uint32_t dp_seqno;
struct ether_addr dp_gw_mac;
uint16_t dp_server_port;
struct ifnet *dp_ifp;
/* Saved driver if_input to restore on close. */
void (*dp_drv_input)(struct ifnet *, struct mbuf *);
/* RX handler for bidirectional protocols. */
void (*dp_rx_handler)(struct debugnet_pcb *,
struct mbuf **);
enum dnet_pcb_st dp_state;
uint16_t dp_client_port;
bool dp_event_started;
};
/* TODO(CEM): Obviate this assertion by using a BITSET(9) for acks. */
CTASSERT(sizeof(((struct debugnet_pcb *)0)->dp_rcvd_acks) * NBBY >=
DEBUGNET_MAX_IN_FLIGHT);
extern unsigned debugnet_debug;
SYSCTL_DECL(_net_debugnet);
int debugnet_ether_output(struct mbuf *, struct ifnet *, struct ether_addr,
u_short);
void debugnet_handle_udp(struct debugnet_pcb *, struct mbuf **);
#ifdef INET
int debugnet_arp_gw(struct debugnet_pcb *);
void debugnet_handle_arp(struct debugnet_pcb *, struct mbuf **);
void debugnet_handle_ip(struct debugnet_pcb *, struct mbuf **);
int debugnet_ip_output(struct debugnet_pcb *, struct mbuf *);
#endif
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