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bpf.c
(69.94 KB)
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bpf.h
(14.6 KB)
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bpf_buffer.c
(6.39 KB)
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bpf_buffer.h
(2.04 KB)
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bpf_filter.c
(12.09 KB)
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bpf_jitter.c
(3.43 KB)
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bpf_jitter.h
(3.3 KB)
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bpf_zerocopy.c
(16.12 KB)
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bpf_zerocopy.h
(2.36 KB)
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bpfdesc.h
(6.04 KB)
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bridgestp.c
(55.53 KB)
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bridgestp.h
(13.06 KB)
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debugnet.c
(26.35 KB)
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debugnet.h
(8.54 KB)
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debugnet_inet.c
(12.67 KB)
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debugnet_int.h
(3.11 KB)
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dlt.h
(44.23 KB)
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ethernet.h
(22.17 KB)
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firewire.h
(3.95 KB)
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ieee8023ad_lacp.c
(53.91 KB)
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ieee8023ad_lacp.h
(9.22 KB)
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ieee_oui.h
(3.64 KB)
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if.c
(105.86 KB)
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if.h
(22.3 KB)
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if_arp.h
(5.41 KB)
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if_bridge.c
(89.97 KB)
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if_bridgevar.h
(11.54 KB)
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if_clone.c
(17.42 KB)
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if_clone.h
(3.38 KB)
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if_dead.c
(3.83 KB)
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if_debug.c
(4.02 KB)
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if_disc.c
(5.95 KB)
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if_dl.h
(3.56 KB)
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if_edsc.c
(9.93 KB)
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if_enc.c
(12.02 KB)
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if_enc.h
(1.65 KB)
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if_epair.c
(27.75 KB)
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if_ethersubr.c
(37.23 KB)
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if_fwsubr.c
(19.22 KB)
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if_gif.c
(16.66 KB)
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if_gif.h
(4.16 KB)
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if_gre.c
(18.8 KB)
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if_gre.h
(5.69 KB)
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if_infiniband.c
(14.99 KB)
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if_ipsec.c
(24.98 KB)
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if_ipsec.h
(1.62 KB)
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if_lagg.c
(62.68 KB)
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if_lagg.h
(8.94 KB)
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if_llatbl.c
(20.5 KB)
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if_llatbl.h
(9.52 KB)
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if_llc.h
(4.53 KB)
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if_loop.c
(10.62 KB)
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if_me.c
(16.73 KB)
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if_media.c
(12.81 KB)
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if_media.h
(36.45 KB)
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if_mib.c
(4.6 KB)
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if_mib.h
(5.58 KB)
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if_pflog.h
(2.24 KB)
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if_pfsync.h
(6.85 KB)
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if_sppp.h
(8.37 KB)
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if_spppfr.c
(15.11 KB)
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if_spppsubr.c
(132.44 KB)
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if_stf.c
(19.3 KB)
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if_tap.h
(2.54 KB)
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if_tun.h
(1.43 KB)
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if_tuntap.c
(47.67 KB)
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if_types.h
(12.2 KB)
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if_var.h
(29.92 KB)
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if_vlan.c
(53.04 KB)
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if_vlan_var.h
(6.1 KB)
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if_vxlan.c
(88.14 KB)
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if_vxlan.h
(4.71 KB)
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ifdi_if.m
(8.4 KB)
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iflib.c
(185.91 KB)
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iflib.h
(14.41 KB)
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iflib_clone.c
(7.37 KB)
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iflib_private.h
(2.31 KB)
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ifq.h
(12.2 KB)
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infiniband.h
(2.64 KB)
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mp_ring.c
(13.3 KB)
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mp_ring.h
(2.77 KB)
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mppc.h
(2.37 KB)
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mppcc.c
(8.88 KB)
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mppcd.c
(7.89 KB)
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netisr.c
(44.33 KB)
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netisr.h
(9.31 KB)
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netisr_internal.h
(4.77 KB)
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netmap.h
(32.93 KB)
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netmap_legacy.h
(9.49 KB)
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netmap_user.h
(30.33 KB)
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netmap_virt.h
(3.89 KB)
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paravirt.h
(6.91 KB)
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pfil.c
(16.83 KB)
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pfil.h
(5.86 KB)
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pfkeyv2.h
(14.54 KB)
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pfvar.h
(48.83 KB)
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ppp_defs.h
(5.41 KB)
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radix.c
(30.87 KB)
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radix.h
(6.83 KB)
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raw_cb.c
(3.77 KB)
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raw_cb.h
(3.04 KB)
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raw_usrreq.c
(6.26 KB)
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rndis.h
(10.74 KB)
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route
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route.c
(19.25 KB)
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route.h
(16.54 KB)
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rss_config.c
(14.12 KB)
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rss_config.h
(4.69 KB)
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rtsock.c
(62.94 KB)
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sff8436.h
(8.3 KB)
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sff8472.h
(18.95 KB)
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slcompress.c
(16.25 KB)
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slcompress.h
(6.4 KB)
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toeplitz.c
(1.96 KB)
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toeplitz.h
(1.72 KB)
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vnet.c
(22.42 KB)
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vnet.h
(14.62 KB)
Editing: raw_usrreq.c
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1980, 1986, 1993 * The Regents of the University of California. * All rights reserved. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)raw_usrreq.c 8.1 (Berkeley) 6/10/93 * $FreeBSD$ */ #include <sys/param.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/malloc.h> #include <sys/mbuf.h> #include <sys/mutex.h> #include <sys/priv.h> #include <sys/protosw.h> #include <sys/signalvar.h> #include <sys/socket.h> #include <sys/socketvar.h> #include <sys/sx.h> #include <sys/systm.h> #include <net/if.h> #include <net/vnet.h> #include <net/raw_cb.h> MTX_SYSINIT(rawcb_mtx, &rawcb_mtx, "rawcb", MTX_DEF); /* * Initialize raw connection block q. */ void raw_init(void) { LIST_INIT(&V_rawcb_list); } /* * Raw protocol input routine. Find the socket associated with the packet(s) * and move them over. If nothing exists for this packet, drop it. */ /* * Raw protocol interface. */ void raw_input(struct mbuf *m0, struct sockproto *proto, struct sockaddr *src) { return (raw_input_ext(m0, proto, src, NULL)); } void raw_input_ext(struct mbuf *m0, struct sockproto *proto, struct sockaddr *src, raw_input_cb_fn cb) { struct rawcb *rp; struct mbuf *m = m0; struct socket *last; last = NULL; mtx_lock(&rawcb_mtx); LIST_FOREACH(rp, &V_rawcb_list, list) { if (rp->rcb_proto.sp_family != proto->sp_family) continue; if (rp->rcb_proto.sp_protocol && rp->rcb_proto.sp_protocol != proto->sp_protocol) continue; if (cb != NULL && (*cb)(m, proto, src, rp) != 0) continue; if (last) { struct mbuf *n; n = m_copym(m, 0, M_COPYALL, M_NOWAIT); if (n) { if (sbappendaddr(&last->so_rcv, src, n, (struct mbuf *)0) == 0) /* should notify about lost packet */ m_freem(n); else sorwakeup(last); } } last = rp->rcb_socket; } if (last) { if (sbappendaddr(&last->so_rcv, src, m, (struct mbuf *)0) == 0) m_freem(m); else sorwakeup(last); } else m_freem(m); mtx_unlock(&rawcb_mtx); } /*ARGSUSED*/ void raw_ctlinput(int cmd, struct sockaddr *arg, void *dummy) { if (cmd < 0 || cmd >= PRC_NCMDS) return; /* INCOMPLETE */ } static void raw_uabort(struct socket *so) { KASSERT(sotorawcb(so) != NULL, ("raw_uabort: rp == NULL")); soisdisconnected(so); } static void raw_uclose(struct socket *so) { KASSERT(sotorawcb(so) != NULL, ("raw_uabort: rp == NULL")); soisdisconnected(so); } /* pru_accept is EOPNOTSUPP */ static int raw_uattach(struct socket *so, int proto, struct thread *td) { int error; /* * Implementors of raw sockets will already have allocated the PCB, * so it must be non-NULL here. */ KASSERT(sotorawcb(so) != NULL, ("raw_uattach: so_pcb == NULL")); if (td != NULL) { error = priv_check(td, PRIV_NET_RAW); if (error) return (error); } return (raw_attach(so, proto)); } static int raw_ubind(struct socket *so, struct sockaddr *nam, struct thread *td) { return (EINVAL); } static int raw_uconnect(struct socket *so, struct sockaddr *nam, struct thread *td) { return (EINVAL); } /* pru_connect2 is EOPNOTSUPP */ /* pru_control is EOPNOTSUPP */ static void raw_udetach(struct socket *so) { struct rawcb *rp = sotorawcb(so); KASSERT(rp != NULL, ("raw_udetach: rp == NULL")); raw_detach(rp); } static int raw_udisconnect(struct socket *so) { KASSERT(sotorawcb(so) != NULL, ("raw_udisconnect: rp == NULL")); return (ENOTCONN); } /* pru_listen is EOPNOTSUPP */ static int raw_upeeraddr(struct socket *so, struct sockaddr **nam) { KASSERT(sotorawcb(so) != NULL, ("raw_upeeraddr: rp == NULL")); return (ENOTCONN); } /* pru_rcvd is EOPNOTSUPP */ /* pru_rcvoob is EOPNOTSUPP */ static int raw_usend(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam, struct mbuf *control, struct thread *td) { KASSERT(sotorawcb(so) != NULL, ("raw_usend: rp == NULL")); if ((flags & PRUS_OOB) || (control && control->m_len)) { if (m != NULL) m_freem(m); if (control != NULL) m_freem(control); return (EOPNOTSUPP); } /* * For historical (bad?) reasons, we effectively ignore the address * argument to sendto(2). Perhaps we should return an error instead? */ return ((*so->so_proto->pr_output)(m, so)); } /* pru_sense is null */ static int raw_ushutdown(struct socket *so) { KASSERT(sotorawcb(so) != NULL, ("raw_ushutdown: rp == NULL")); socantsendmore(so); return (0); } static int raw_usockaddr(struct socket *so, struct sockaddr **nam) { KASSERT(sotorawcb(so) != NULL, ("raw_usockaddr: rp == NULL")); return (EINVAL); } struct pr_usrreqs raw_usrreqs = { .pru_abort = raw_uabort, .pru_attach = raw_uattach, .pru_bind = raw_ubind, .pru_connect = raw_uconnect, .pru_detach = raw_udetach, .pru_disconnect = raw_udisconnect, .pru_peeraddr = raw_upeeraddr, .pru_send = raw_usend, .pru_shutdown = raw_ushutdown, .pru_sockaddr = raw_usockaddr, .pru_close = raw_uclose, };
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