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