Summary: Sometimes an if_foreach() callback can be trivial, or need a lot of outer context. In this case a regular `for` loop makes more sense. To keep things hidden in the new API, use an opaque `if_iter` structure that can still be instantiated on the stack. The current implementation uses just a single pointer out of the 4 alotted to the opaque context, and the cleanup does nothing, but may be used in the future. Reviewed by: melifaro Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D39138
738 lines
27 KiB
C
738 lines
27 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* From: @(#)if.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD$
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*/
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#ifndef _NET_IF_VAR_H_
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#define _NET_IF_VAR_H_
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/*
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* Structures defining a network interface, providing a packet
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* transport mechanism (ala level 0 of the PUP protocols).
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*
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* Each interface accepts output datagrams of a specified maximum
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* length, and provides higher level routines with input datagrams
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* received from its medium.
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*
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* Output occurs when the routine if_output is called, with three parameters:
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* (*ifp->if_output)(ifp, m, dst, ro)
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* Here m is the mbuf chain to be sent and dst is the destination address.
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* The output routine encapsulates the supplied datagram if necessary,
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* and then transmits it on its medium.
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*
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* On input, each interface unwraps the data received by it, and either
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* places it on the input queue of an internetwork datagram routine
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* and posts the associated software interrupt, or passes the datagram to a raw
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* packet input routine.
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*
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* Routines exist for locating interfaces by their addresses
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* or for locating an interface on a certain network, as well as more general
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* routing and gateway routines maintaining information used to locate
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* interfaces. These routines live in the files if.c and route.c
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*/
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struct rtentry; /* ifa_rtrequest */
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struct socket;
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struct carp_if;
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struct carp_softc;
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struct ifvlantrunk;
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struct route; /* if_output */
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struct vnet;
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struct ifmedia;
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struct netmap_adapter;
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struct debugnet_methods;
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#ifdef _KERNEL
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#include <sys/_eventhandler.h>
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#include <sys/mbuf.h> /* ifqueue only? */
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#include <sys/buf_ring.h>
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#include <net/vnet.h>
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#endif /* _KERNEL */
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#include <sys/ck.h>
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#include <sys/counter.h>
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#include <sys/epoch.h>
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#include <sys/lock.h> /* XXX */
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#include <sys/mutex.h> /* struct ifqueue */
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#include <sys/rwlock.h> /* XXX */
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#include <sys/sx.h> /* XXX */
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#include <sys/_task.h> /* if_link_task */
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#define IF_DUNIT_NONE -1
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#include <net/altq/if_altq.h>
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CK_STAILQ_HEAD(ifnethead, ifnet); /* we use TAILQs so that the order of */
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CK_STAILQ_HEAD(ifaddrhead, ifaddr); /* instantiation is preserved in the list */
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CK_STAILQ_HEAD(ifmultihead, ifmultiaddr);
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CK_STAILQ_HEAD(ifgrouphead, ifg_group);
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#ifdef _KERNEL
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VNET_DECLARE(struct pfil_head *, link_pfil_head);
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#define V_link_pfil_head VNET(link_pfil_head)
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#define PFIL_ETHER_NAME "ethernet"
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#define HHOOK_IPSEC_INET 0
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#define HHOOK_IPSEC_INET6 1
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#define HHOOK_IPSEC_COUNT 2
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VNET_DECLARE(struct hhook_head *, ipsec_hhh_in[HHOOK_IPSEC_COUNT]);
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VNET_DECLARE(struct hhook_head *, ipsec_hhh_out[HHOOK_IPSEC_COUNT]);
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#define V_ipsec_hhh_in VNET(ipsec_hhh_in)
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#define V_ipsec_hhh_out VNET(ipsec_hhh_out)
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#endif /* _KERNEL */
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typedef enum {
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IFCOUNTER_IPACKETS = 0,
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IFCOUNTER_IERRORS,
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IFCOUNTER_OPACKETS,
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IFCOUNTER_OERRORS,
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IFCOUNTER_COLLISIONS,
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IFCOUNTER_IBYTES,
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IFCOUNTER_OBYTES,
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IFCOUNTER_IMCASTS,
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IFCOUNTER_OMCASTS,
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IFCOUNTER_IQDROPS,
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IFCOUNTER_OQDROPS,
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IFCOUNTER_NOPROTO,
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IFCOUNTERS /* Array size. */
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} ift_counter;
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typedef void (*if_start_fn_t)(if_t);
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typedef int (*if_ioctl_fn_t)(if_t, u_long, caddr_t);
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typedef void (*if_init_fn_t)(void *);
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typedef void (*if_input_fn_t)(struct ifnet *, struct mbuf *);
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typedef int (*if_output_fn_t)
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(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *);
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typedef void (*if_qflush_fn_t)(if_t);
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typedef int (*if_transmit_fn_t)(if_t, struct mbuf *);
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typedef uint64_t (*if_get_counter_t)(if_t, ift_counter);
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typedef void (*if_reassign_fn_t)(struct ifnet *, struct vnet *, char *);
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struct ifnet_hw_tsomax {
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u_int tsomaxbytes; /* TSO total burst length limit in bytes */
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u_int tsomaxsegcount; /* TSO maximum segment count */
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u_int tsomaxsegsize; /* TSO maximum segment size in bytes */
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};
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/* Interface encap request types */
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typedef enum {
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IFENCAP_LL = 1 /* pre-calculate link-layer header */
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} ife_type;
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/*
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* The structure below allows to request various pre-calculated L2/L3 headers
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* for different media. Requests varies by type (rtype field).
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*
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* IFENCAP_LL type: pre-calculates link header based on address family
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* and destination lladdr.
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*
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* Input data fields:
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* buf: pointer to destination buffer
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* bufsize: buffer size
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* flags: IFENCAP_FLAG_BROADCAST if destination is broadcast
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* family: address family defined by AF_ constant.
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* lladdr: pointer to link-layer address
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* lladdr_len: length of link-layer address
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* hdata: pointer to L3 header (optional, used for ARP requests).
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* Output data fields:
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* buf: encap data is stored here
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* bufsize: resulting encap length is stored here
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* lladdr_off: offset of link-layer address from encap hdr start
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* hdata: L3 header may be altered if necessary
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*/
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struct if_encap_req {
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u_char *buf; /* Destination buffer (w) */
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size_t bufsize; /* size of provided buffer (r) */
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ife_type rtype; /* request type (r) */
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uint32_t flags; /* Request flags (r) */
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int family; /* Address family AF_* (r) */
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int lladdr_off; /* offset from header start (w) */
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int lladdr_len; /* lladdr length (r) */
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char *lladdr; /* link-level address pointer (r) */
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char *hdata; /* Upper layer header data (rw) */
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};
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#define IFENCAP_FLAG_BROADCAST 0x02 /* Destination is broadcast */
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/*
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* Network interface send tag support. The storage of "struct
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* m_snd_tag" comes from the network driver and it is free to allocate
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* as much additional space as it wants for its own use.
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*/
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struct ktls_session;
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struct m_snd_tag;
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#define IF_SND_TAG_TYPE_RATE_LIMIT 0
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#define IF_SND_TAG_TYPE_UNLIMITED 1
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#define IF_SND_TAG_TYPE_TLS 2
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#define IF_SND_TAG_TYPE_TLS_RATE_LIMIT 3
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#define IF_SND_TAG_TYPE_TLS_RX 4
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#define IF_SND_TAG_TYPE_MAX 5
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struct if_snd_tag_alloc_header {
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uint32_t type; /* send tag type, see IF_SND_TAG_XXX */
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uint32_t flowid; /* mbuf hash value */
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uint32_t flowtype; /* mbuf hash type */
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uint8_t numa_domain; /* numa domain of associated inp */
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};
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struct if_snd_tag_alloc_rate_limit {
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struct if_snd_tag_alloc_header hdr;
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uint64_t max_rate; /* in bytes/s */
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uint32_t flags; /* M_NOWAIT or M_WAITOK */
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uint32_t reserved; /* alignment */
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};
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struct if_snd_tag_alloc_tls {
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struct if_snd_tag_alloc_header hdr;
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struct inpcb *inp;
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const struct ktls_session *tls;
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};
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struct if_snd_tag_alloc_tls_rx {
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struct if_snd_tag_alloc_header hdr;
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struct inpcb *inp;
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const struct ktls_session *tls;
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uint16_t vlan_id; /* valid if non-zero */
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};
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struct if_snd_tag_alloc_tls_rate_limit {
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struct if_snd_tag_alloc_header hdr;
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struct inpcb *inp;
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const struct ktls_session *tls;
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uint64_t max_rate; /* in bytes/s */
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};
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struct if_snd_tag_rate_limit_params {
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uint64_t max_rate; /* in bytes/s */
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uint32_t queue_level; /* 0 (empty) .. 65535 (full) */
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#define IF_SND_QUEUE_LEVEL_MIN 0
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#define IF_SND_QUEUE_LEVEL_MAX 65535
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uint32_t flags; /* M_NOWAIT or M_WAITOK */
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};
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struct if_snd_tag_modify_tls_rx {
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/* TCP sequence number of TLS header in host endian format */
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uint32_t tls_hdr_tcp_sn;
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/*
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* TLS record length, including all headers, data and trailers.
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* If the tls_rec_length is zero, it means HW encryption resumed.
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*/
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uint32_t tls_rec_length;
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/* TLS sequence number in host endian format */
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uint64_t tls_seq_number;
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};
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union if_snd_tag_alloc_params {
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struct if_snd_tag_alloc_header hdr;
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struct if_snd_tag_alloc_rate_limit rate_limit;
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struct if_snd_tag_alloc_rate_limit unlimited;
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struct if_snd_tag_alloc_tls tls;
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struct if_snd_tag_alloc_tls_rx tls_rx;
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struct if_snd_tag_alloc_tls_rate_limit tls_rate_limit;
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};
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union if_snd_tag_modify_params {
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struct if_snd_tag_rate_limit_params rate_limit;
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struct if_snd_tag_rate_limit_params unlimited;
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struct if_snd_tag_rate_limit_params tls_rate_limit;
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struct if_snd_tag_modify_tls_rx tls_rx;
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};
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union if_snd_tag_query_params {
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struct if_snd_tag_rate_limit_params rate_limit;
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struct if_snd_tag_rate_limit_params unlimited;
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struct if_snd_tag_rate_limit_params tls_rate_limit;
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};
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typedef int (if_snd_tag_alloc_t)(struct ifnet *, union if_snd_tag_alloc_params *,
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struct m_snd_tag **);
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typedef int (if_snd_tag_modify_t)(struct m_snd_tag *, union if_snd_tag_modify_params *);
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typedef int (if_snd_tag_query_t)(struct m_snd_tag *, union if_snd_tag_query_params *);
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typedef void (if_snd_tag_free_t)(struct m_snd_tag *);
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typedef struct m_snd_tag *(if_next_send_tag_t)(struct m_snd_tag *);
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struct if_snd_tag_sw {
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if_snd_tag_modify_t *snd_tag_modify;
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if_snd_tag_query_t *snd_tag_query;
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if_snd_tag_free_t *snd_tag_free;
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if_next_send_tag_t *next_snd_tag;
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u_int type; /* One of IF_SND_TAG_TYPE_*. */
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};
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/* Query return flags */
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#define RT_NOSUPPORT 0x00000000 /* Not supported */
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#define RT_IS_INDIRECT 0x00000001 /*
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* Interface like a lagg, select
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* the actual interface for
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* capabilities.
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*/
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#define RT_IS_SELECTABLE 0x00000002 /*
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* No rate table, you select
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* rates and the first
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* number_of_rates are created.
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*/
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#define RT_IS_FIXED_TABLE 0x00000004 /* A fixed table is attached */
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#define RT_IS_UNUSABLE 0x00000008 /* It is not usable for this */
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#define RT_IS_SETUP_REQ 0x00000010 /* The interface setup must be called before use */
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struct if_ratelimit_query_results {
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const uint64_t *rate_table; /* Pointer to table if present */
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uint32_t flags; /* Flags indicating results */
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uint32_t max_flows; /* Max flows using, 0=unlimited */
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uint32_t number_of_rates; /* How many unique rates can be created */
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uint32_t min_segment_burst; /* The amount the adapter bursts at each send */
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};
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typedef void (if_ratelimit_query_t)(struct ifnet *,
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struct if_ratelimit_query_results *);
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typedef int (if_ratelimit_setup_t)(struct ifnet *, uint64_t, uint32_t);
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#define IF_NODOM 255
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/*
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* Locks for address lists on the network interface.
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*/
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#define IF_ADDR_LOCK_INIT(if) mtx_init(&(if)->if_addr_lock, "if_addr_lock", NULL, MTX_DEF)
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#define IF_ADDR_LOCK_DESTROY(if) mtx_destroy(&(if)->if_addr_lock)
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#define IF_ADDR_WLOCK(if) mtx_lock(&(if)->if_addr_lock)
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#define IF_ADDR_WUNLOCK(if) mtx_unlock(&(if)->if_addr_lock)
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#define IF_ADDR_LOCK_ASSERT(if) MPASS(in_epoch(net_epoch_preempt) || mtx_owned(&(if)->if_addr_lock))
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#define IF_ADDR_WLOCK_ASSERT(if) mtx_assert(&(if)->if_addr_lock, MA_OWNED)
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#ifdef _KERNEL
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/* interface link layer address change event */
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typedef void (*iflladdr_event_handler_t)(void *, struct ifnet *);
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EVENTHANDLER_DECLARE(iflladdr_event, iflladdr_event_handler_t);
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/* interface address change event */
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typedef void (*ifaddr_event_handler_t)(void *, struct ifnet *);
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EVENTHANDLER_DECLARE(ifaddr_event, ifaddr_event_handler_t);
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typedef void (*ifaddr_event_ext_handler_t)(void *, struct ifnet *,
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struct ifaddr *, int);
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EVENTHANDLER_DECLARE(ifaddr_event_ext, ifaddr_event_ext_handler_t);
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#define IFADDR_EVENT_ADD 0
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#define IFADDR_EVENT_DEL 1
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/* new interface arrival event */
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typedef void (*ifnet_arrival_event_handler_t)(void *, struct ifnet *);
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EVENTHANDLER_DECLARE(ifnet_arrival_event, ifnet_arrival_event_handler_t);
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/* interface departure event */
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typedef void (*ifnet_departure_event_handler_t)(void *, struct ifnet *);
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EVENTHANDLER_DECLARE(ifnet_departure_event, ifnet_departure_event_handler_t);
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/* Interface link state change event */
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typedef void (*ifnet_link_event_handler_t)(void *, struct ifnet *, int);
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EVENTHANDLER_DECLARE(ifnet_link_event, ifnet_link_event_handler_t);
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/* Interface up/down event */
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#define IFNET_EVENT_UP 0
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#define IFNET_EVENT_DOWN 1
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#define IFNET_EVENT_PCP 2 /* priority code point, PCP */
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#define IFNET_EVENT_UPDATE_BAUDRATE 3
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typedef void (*ifnet_event_fn)(void *, struct ifnet *ifp, int event);
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EVENTHANDLER_DECLARE(ifnet_event, ifnet_event_fn);
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/*
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* interface groups
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*/
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struct ifg_group {
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char ifg_group[IFNAMSIZ];
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u_int ifg_refcnt;
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void *ifg_pf_kif;
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CK_STAILQ_HEAD(, ifg_member) ifg_members; /* (CK_) */
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CK_STAILQ_ENTRY(ifg_group) ifg_next; /* (CK_) */
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};
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struct ifg_member {
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CK_STAILQ_ENTRY(ifg_member) ifgm_next; /* (CK_) */
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struct ifnet *ifgm_ifp;
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};
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struct ifg_list {
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struct ifg_group *ifgl_group;
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CK_STAILQ_ENTRY(ifg_list) ifgl_next; /* (CK_) */
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};
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#ifdef _SYS_EVENTHANDLER_H_
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/* group attach event */
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typedef void (*group_attach_event_handler_t)(void *, struct ifg_group *);
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EVENTHANDLER_DECLARE(group_attach_event, group_attach_event_handler_t);
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/* group detach event */
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typedef void (*group_detach_event_handler_t)(void *, struct ifg_group *);
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EVENTHANDLER_DECLARE(group_detach_event, group_detach_event_handler_t);
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/* group change event */
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typedef void (*group_change_event_handler_t)(void *, const char *);
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EVENTHANDLER_DECLARE(group_change_event, group_change_event_handler_t);
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#endif /* _SYS_EVENTHANDLER_H_ */
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#define IF_AFDATA_LOCK_INIT(ifp) \
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mtx_init(&(ifp)->if_afdata_lock, "if_afdata", NULL, MTX_DEF)
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#define IF_AFDATA_WLOCK(ifp) mtx_lock(&(ifp)->if_afdata_lock)
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#define IF_AFDATA_WUNLOCK(ifp) mtx_unlock(&(ifp)->if_afdata_lock)
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#define IF_AFDATA_LOCK(ifp) IF_AFDATA_WLOCK(ifp)
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#define IF_AFDATA_UNLOCK(ifp) IF_AFDATA_WUNLOCK(ifp)
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#define IF_AFDATA_TRYLOCK(ifp) mtx_trylock(&(ifp)->if_afdata_lock)
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#define IF_AFDATA_DESTROY(ifp) mtx_destroy(&(ifp)->if_afdata_lock)
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#define IF_AFDATA_LOCK_ASSERT(ifp) MPASS(in_epoch(net_epoch_preempt) || mtx_owned(&(ifp)->if_afdata_lock))
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#define IF_AFDATA_WLOCK_ASSERT(ifp) mtx_assert(&(ifp)->if_afdata_lock, MA_OWNED)
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#define IF_AFDATA_UNLOCK_ASSERT(ifp) mtx_assert(&(ifp)->if_afdata_lock, MA_NOTOWNED)
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/*
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* 72 was chosen below because it is the size of a TCP/IP
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* header (40) + the minimum mss (32).
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*/
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#define IF_MINMTU 72
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#define IF_MAXMTU 65535
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#define TOEDEV(ifp) if_getllsoftc(ifp)
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#define SETTOEDEV(ifp, sc) if_setllsoftc((ifp), (sc))
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/*
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|
* The ifaddr structure contains information about one address
|
|
* of an interface. They are maintained by the different address families,
|
|
* are allocated and attached when an address is set, and are linked
|
|
* together so all addresses for an interface can be located.
|
|
*
|
|
* NOTE: a 'struct ifaddr' is always at the beginning of a larger
|
|
* chunk of malloc'ed memory, where we store the three addresses
|
|
* (ifa_addr, ifa_dstaddr and ifa_netmask) referenced here.
|
|
*/
|
|
struct ifaddr {
|
|
struct sockaddr *ifa_addr; /* address of interface */
|
|
struct sockaddr *ifa_dstaddr; /* other end of p-to-p link */
|
|
#define ifa_broadaddr ifa_dstaddr /* broadcast address interface */
|
|
struct sockaddr *ifa_netmask; /* used to determine subnet */
|
|
struct ifnet *ifa_ifp; /* back-pointer to interface */
|
|
struct carp_softc *ifa_carp; /* pointer to CARP data */
|
|
CK_STAILQ_ENTRY(ifaddr) ifa_link; /* queue macro glue */
|
|
u_short ifa_flags; /* mostly rt_flags for cloning */
|
|
#define IFA_ROUTE RTF_UP /* route installed */
|
|
#define IFA_RTSELF RTF_HOST /* loopback route to self installed */
|
|
u_int ifa_refcnt; /* references to this structure */
|
|
|
|
counter_u64_t ifa_ipackets;
|
|
counter_u64_t ifa_opackets;
|
|
counter_u64_t ifa_ibytes;
|
|
counter_u64_t ifa_obytes;
|
|
struct epoch_context ifa_epoch_ctx;
|
|
};
|
|
|
|
struct ifaddr * ifa_alloc(size_t size, int flags);
|
|
void ifa_free(struct ifaddr *ifa);
|
|
void ifa_ref(struct ifaddr *ifa);
|
|
int __result_use_check ifa_try_ref(struct ifaddr *ifa);
|
|
|
|
/*
|
|
* Multicast address structure. This is analogous to the ifaddr
|
|
* structure except that it keeps track of multicast addresses.
|
|
*/
|
|
#define IFMA_F_ENQUEUED 0x1
|
|
struct ifmultiaddr {
|
|
CK_STAILQ_ENTRY(ifmultiaddr) ifma_link; /* queue macro glue */
|
|
struct sockaddr *ifma_addr; /* address this membership is for */
|
|
struct sockaddr *ifma_lladdr; /* link-layer translation, if any */
|
|
struct ifnet *ifma_ifp; /* back-pointer to interface */
|
|
u_int ifma_refcount; /* reference count */
|
|
int ifma_flags;
|
|
void *ifma_protospec; /* protocol-specific state, if any */
|
|
struct ifmultiaddr *ifma_llifma; /* pointer to ifma for ifma_lladdr */
|
|
struct epoch_context ifma_epoch_ctx;
|
|
};
|
|
|
|
extern struct sx ifnet_sxlock;
|
|
|
|
#define IFNET_WLOCK() sx_xlock(&ifnet_sxlock)
|
|
#define IFNET_WUNLOCK() sx_xunlock(&ifnet_sxlock)
|
|
#define IFNET_RLOCK_ASSERT() sx_assert(&ifnet_sxlock, SA_SLOCKED)
|
|
#define IFNET_WLOCK_ASSERT() sx_assert(&ifnet_sxlock, SA_XLOCKED)
|
|
#define IFNET_RLOCK() sx_slock(&ifnet_sxlock)
|
|
#define IFNET_RUNLOCK() sx_sunlock(&ifnet_sxlock)
|
|
|
|
/*
|
|
* Look up an ifnet given its index. The returned value protected from
|
|
* being freed by the network epoch. The _ref variant also acquires a
|
|
* reference that must be freed using if_rele().
|
|
*/
|
|
struct ifnet *ifnet_byindex(u_int);
|
|
struct ifnet *ifnet_byindex_ref(u_int);
|
|
|
|
/*
|
|
* ifnet_byindexgen() looks up ifnet by index and generation count,
|
|
* attempting to restore a weak pointer that had been stored across
|
|
* the epoch.
|
|
*/
|
|
struct ifnet *ifnet_byindexgen(uint16_t idx, uint16_t gen);
|
|
|
|
VNET_DECLARE(struct ifnethead, ifnet);
|
|
VNET_DECLARE(struct ifgrouphead, ifg_head);
|
|
VNET_DECLARE(struct ifnet *, loif); /* first loopback interface */
|
|
|
|
#define V_ifnet VNET(ifnet)
|
|
#define V_ifg_head VNET(ifg_head)
|
|
#define V_loif VNET(loif)
|
|
|
|
#ifdef MCAST_VERBOSE
|
|
#define MCDPRINTF printf
|
|
#else
|
|
#define MCDPRINTF(...)
|
|
#endif
|
|
|
|
int if_addgroup(struct ifnet *, const char *);
|
|
int if_delgroup(struct ifnet *, const char *);
|
|
int if_addmulti(struct ifnet *, struct sockaddr *, struct ifmultiaddr **);
|
|
int if_allmulti(struct ifnet *, int);
|
|
struct ifnet* if_alloc(u_char);
|
|
struct ifnet* if_alloc_dev(u_char, device_t dev);
|
|
void if_attach(struct ifnet *);
|
|
void if_dead(struct ifnet *);
|
|
int if_delmulti(struct ifnet *, struct sockaddr *);
|
|
void if_delmulti_ifma(struct ifmultiaddr *);
|
|
void if_delmulti_ifma_flags(struct ifmultiaddr *, int flags);
|
|
void if_detach(struct ifnet *);
|
|
void if_purgeaddrs(struct ifnet *);
|
|
void if_delallmulti(struct ifnet *);
|
|
void if_down(struct ifnet *);
|
|
struct ifmultiaddr *
|
|
if_findmulti(struct ifnet *, const struct sockaddr *);
|
|
void if_freemulti(struct ifmultiaddr *ifma);
|
|
void if_free(struct ifnet *);
|
|
void if_initname(struct ifnet *, const char *, int);
|
|
void if_link_state_change(struct ifnet *, int);
|
|
int if_printf(struct ifnet *, const char *, ...) __printflike(2, 3);
|
|
int if_log(struct ifnet *, int, const char *, ...) __printflike(3, 4);
|
|
void if_ref(struct ifnet *);
|
|
void if_rele(struct ifnet *);
|
|
bool __result_use_check if_try_ref(struct ifnet *);
|
|
int if_setlladdr(struct ifnet *, const u_char *, int);
|
|
int if_tunnel_check_nesting(struct ifnet *, struct mbuf *, uint32_t, int);
|
|
void if_up(struct ifnet *);
|
|
int ifioctl(struct socket *, u_long, caddr_t, struct thread *);
|
|
int ifpromisc(struct ifnet *, int);
|
|
struct ifnet *ifunit(const char *);
|
|
struct ifnet *ifunit_ref(const char *);
|
|
|
|
int ifa_add_loopback_route(struct ifaddr *, struct sockaddr *);
|
|
int ifa_del_loopback_route(struct ifaddr *, struct sockaddr *);
|
|
int ifa_switch_loopback_route(struct ifaddr *, struct sockaddr *);
|
|
|
|
struct ifaddr *ifa_ifwithaddr(const struct sockaddr *);
|
|
int ifa_ifwithaddr_check(const struct sockaddr *);
|
|
struct ifaddr *ifa_ifwithbroadaddr(const struct sockaddr *, int);
|
|
struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *, int);
|
|
struct ifaddr *ifa_ifwithnet(const struct sockaddr *, int, int);
|
|
struct ifaddr *ifa_ifwithroute(int, const struct sockaddr *,
|
|
const struct sockaddr *, u_int);
|
|
struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
|
|
int ifa_preferred(struct ifaddr *, struct ifaddr *);
|
|
|
|
int if_simloop(struct ifnet *ifp, struct mbuf *m, int af, int hlen);
|
|
|
|
typedef void *if_com_alloc_t(u_char type, struct ifnet *ifp);
|
|
typedef void if_com_free_t(void *com, u_char type);
|
|
void if_register_com_alloc(u_char type, if_com_alloc_t *a, if_com_free_t *f);
|
|
void if_deregister_com_alloc(u_char type);
|
|
void if_data_copy(struct ifnet *, struct if_data *);
|
|
uint64_t if_get_counter_default(struct ifnet *, ift_counter);
|
|
void if_inc_counter(struct ifnet *, ift_counter, int64_t);
|
|
|
|
#define IF_LLADDR(ifp) \
|
|
LLADDR((struct sockaddr_dl *)((ifp)->if_addr->ifa_addr))
|
|
|
|
uint64_t if_setbaudrate(if_t ifp, uint64_t baudrate);
|
|
uint64_t if_getbaudrate(const if_t ifp);
|
|
int if_setcapabilities(if_t ifp, int capabilities);
|
|
int if_setcapabilitiesbit(if_t ifp, int setbit, int clearbit);
|
|
int if_getcapabilities(const if_t ifp);
|
|
int if_togglecapenable(if_t ifp, int togglecap);
|
|
int if_setcapenable(if_t ifp, int capenable);
|
|
int if_setcapenablebit(if_t ifp, int setcap, int clearcap);
|
|
int if_getcapenable(const if_t ifp);
|
|
int if_setcapabilities2(if_t ifp, int capabilities);
|
|
int if_setcapabilities2bit(if_t ifp, int setbit, int clearbit);
|
|
int if_getcapabilities2(const if_t ifp);
|
|
int if_togglecapenable2(if_t ifp, int togglecap);
|
|
int if_setcapenable2(if_t ifp, int capenable);
|
|
int if_setcapenable2bit(if_t ifp, int setcap, int clearcap);
|
|
int if_getcapenable2(const if_t ifp);
|
|
int if_getdunit(const if_t ifp);
|
|
int if_getindex(const if_t ifp);
|
|
int if_getidxgen(const if_t ifp);
|
|
const char *if_getdname(const if_t ifp);
|
|
void if_setdname(if_t ifp, const char *name);
|
|
const char *if_name(if_t ifp);
|
|
int if_setname(if_t ifp, const char *name);
|
|
void if_setdescr(if_t ifp, char *descrbuf);
|
|
char *if_allocdescr(size_t sz, int malloc_flag);
|
|
void if_freedescr(char *descrbuf);
|
|
int if_getalloctype(const if_t ifp);
|
|
int if_gettype(const if_t ifp);
|
|
int if_setdev(if_t ifp, void *dev);
|
|
int if_setdrvflagbits(if_t ifp, int if_setflags, int clear_flags);
|
|
int if_getdrvflags(const if_t ifp);
|
|
int if_setdrvflags(if_t ifp, int flags);
|
|
int if_getlinkstate(if_t ifp);
|
|
int if_clearhwassist(if_t ifp);
|
|
int if_sethwassistbits(if_t ifp, int toset, int toclear);
|
|
int if_sethwassist(if_t ifp, int hwassist_bit);
|
|
int if_gethwassist(const if_t ifp);
|
|
int if_togglehwassist(if_t ifp, int toggle_bits);
|
|
int if_setsoftc(if_t ifp, void *softc);
|
|
void *if_getsoftc(if_t ifp);
|
|
int if_setflags(if_t ifp, int flags);
|
|
void if_setllsoftc(if_t ifp, void *softc);
|
|
void *if_getllsoftc(if_t ifp);
|
|
u_int if_getfib(if_t ifp);
|
|
uint8_t if_getaddrlen(if_t ifp);
|
|
int if_gethwaddr(const if_t ifp, struct ifreq *);
|
|
const uint8_t *if_getbroadcastaddr(const if_t ifp);
|
|
void if_setbroadcastaddr(if_t ifp, const uint8_t *);
|
|
int if_setmtu(if_t ifp, int mtu);
|
|
int if_getmtu(const if_t ifp);
|
|
int if_getmtu_family(const if_t ifp, int family);
|
|
void if_notifymtu(if_t ifp);
|
|
int if_setflagbits(if_t ifp, int set, int clear);
|
|
int if_setflags(if_t ifp, int flags);
|
|
int if_getflags(const if_t ifp);
|
|
int if_getnumadomain(if_t ifp);
|
|
int if_sendq_empty(if_t ifp);
|
|
int if_setsendqready(if_t ifp);
|
|
int if_setsendqlen(if_t ifp, int tx_desc_count);
|
|
int if_sethwtsomax(if_t ifp, u_int if_hw_tsomax);
|
|
int if_sethwtsomaxsegcount(if_t ifp, u_int if_hw_tsomaxsegcount);
|
|
int if_sethwtsomaxsegsize(if_t ifp, u_int if_hw_tsomaxsegsize);
|
|
u_int if_gethwtsomax(const if_t ifp);
|
|
u_int if_gethwtsomaxsegcount(const if_t ifp);
|
|
u_int if_gethwtsomaxsegsize(const if_t ifp);
|
|
void if_setnetmapadapter(if_t ifp, struct netmap_adapter *na);
|
|
struct netmap_adapter *if_getnetmapadapter(if_t ifp);
|
|
void if_input(if_t ifp, struct mbuf* sendmp);
|
|
int if_sendq_prepend(if_t ifp, struct mbuf *m);
|
|
struct mbuf *if_dequeue(if_t ifp);
|
|
int if_setifheaderlen(if_t ifp, int len);
|
|
void if_setrcvif(struct mbuf *m, if_t ifp);
|
|
void if_setvtag(struct mbuf *m, u_int16_t tag);
|
|
u_int16_t if_getvtag(struct mbuf *m);
|
|
int if_vlantrunkinuse(if_t ifp);
|
|
caddr_t if_getlladdr(const if_t ifp);
|
|
struct vnet *if_getvnet(const if_t ifp);
|
|
void *if_gethandle(u_char);
|
|
void if_bpfmtap(if_t ifp, struct mbuf *m);
|
|
void if_etherbpfmtap(if_t ifp, struct mbuf *m);
|
|
void if_vlancap(if_t ifp);
|
|
int if_transmit(if_t ifp, struct mbuf *m);
|
|
void if_init(if_t ifp, void *ctx);
|
|
int if_resolvemulti(if_t ifp, struct sockaddr **, struct sockaddr *);
|
|
uint64_t if_getcounter(if_t ifp, ift_counter counter);
|
|
struct label *if_getmaclabel(if_t ifp);
|
|
void if_setmaclabel(if_t ifp, struct label *label);
|
|
struct bpf_if *if_getbpf(if_t ifp);
|
|
uint8_t if_getpcp(if_t ifp);
|
|
void *if_getl2com(if_t ifp);
|
|
struct ifvlantrunk *if_getvlantrunk(if_t ifp);
|
|
bool if_altq_is_enabled(if_t ifp);
|
|
|
|
void *if_getafdata(if_t ifp, int);
|
|
|
|
int if_snd_tag_alloc(struct ifnet *ifp, union if_snd_tag_alloc_params *params,
|
|
struct m_snd_tag **mstp);
|
|
/*
|
|
* Traversing through interface address lists.
|
|
*/
|
|
struct sockaddr_dl;
|
|
typedef u_int iflladdr_cb_t(void *, struct sockaddr_dl *, u_int);
|
|
u_int if_foreach_lladdr(if_t, iflladdr_cb_t, void *);
|
|
u_int if_foreach_llmaddr(if_t, iflladdr_cb_t, void *);
|
|
u_int if_lladdr_count(if_t);
|
|
u_int if_llmaddr_count(if_t);
|
|
|
|
int if_getamcount(const if_t ifp);
|
|
struct ifaddr * if_getifaddr(const if_t ifp);
|
|
typedef u_int if_addr_cb_t(void *, struct ifaddr *, u_int);
|
|
u_int if_foreach_addr_type(if_t ifp, int type, if_addr_cb_t cb, void *cb_arg);
|
|
|
|
typedef int (*if_foreach_cb_t)(if_t, void *);
|
|
typedef bool (*if_foreach_match_t)(if_t, void *);
|
|
int if_foreach(if_foreach_cb_t, void *);
|
|
int if_foreach_sleep(if_foreach_match_t, void *, if_foreach_cb_t, void *);
|
|
|
|
/* Opaque iterator structure for iterating over interfaces. */
|
|
struct if_iter {
|
|
void *context[4];
|
|
};
|
|
|
|
if_t if_iter_start(struct if_iter *);
|
|
if_t if_iter_next(struct if_iter *);
|
|
void if_iter_finish(struct if_iter *);
|
|
|
|
/* Functions */
|
|
void if_setinitfn(if_t ifp, if_init_fn_t);
|
|
void if_setinputfn(if_t ifp, if_input_fn_t);
|
|
if_input_fn_t if_getinputfn(if_t ifp);
|
|
void if_setioctlfn(if_t ifp, if_ioctl_fn_t);
|
|
void if_setoutputfn(if_t ifp, if_output_fn_t);
|
|
void if_setstartfn(if_t ifp, if_start_fn_t);
|
|
if_start_fn_t if_getstartfn(if_t ifp);
|
|
void if_settransmitfn(if_t ifp, if_transmit_fn_t);
|
|
if_transmit_fn_t if_gettransmitfn(if_t ifp);
|
|
void if_setqflushfn(if_t ifp, if_qflush_fn_t);
|
|
void if_setgetcounterfn(if_t ifp, if_get_counter_t);
|
|
void if_setsndtagallocfn(if_t ifp, if_snd_tag_alloc_t);
|
|
void if_setdebugnet_methods(struct ifnet *, struct debugnet_methods *);
|
|
void if_setreassignfn(if_t ifp, if_reassign_fn_t);
|
|
void if_setratelimitqueryfn(if_t ifp, if_ratelimit_query_t);
|
|
|
|
/* TSO */
|
|
void if_hw_tsomax_common(if_t ifp, struct ifnet_hw_tsomax *);
|
|
int if_hw_tsomax_update(if_t ifp, struct ifnet_hw_tsomax *);
|
|
|
|
/* accessors for struct ifreq */
|
|
void *ifr_data_get_ptr(void *ifrp);
|
|
void *ifr_buffer_get_buffer(void *data);
|
|
size_t ifr_buffer_get_length(void *data);
|
|
|
|
int ifhwioctl(u_long, struct ifnet *, caddr_t, struct thread *);
|
|
|
|
#ifdef DEVICE_POLLING
|
|
enum poll_cmd { POLL_ONLY, POLL_AND_CHECK_STATUS };
|
|
|
|
typedef int poll_handler_t(if_t ifp, enum poll_cmd cmd, int count);
|
|
int ether_poll_register(poll_handler_t *h, if_t ifp);
|
|
int ether_poll_deregister(if_t ifp);
|
|
#endif /* DEVICE_POLLING */
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#include <net/if_private.h> /* XXX: temporary until drivers converted. */
|
|
#include <net/ifq.h> /* XXXAO: temporary unconditional include */
|
|
|
|
#endif /* !_NET_IF_VAR_H_ */
|