diff options
Diffstat (limited to 'freebsd/sys/netinet/in_pcb.h')
| -rw-r--r-- | freebsd/sys/netinet/in_pcb.h | 525 |
1 files changed, 525 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/in_pcb.h b/freebsd/sys/netinet/in_pcb.h new file mode 100644 index 00000000..8cd4a5f8 --- /dev/null +++ b/freebsd/sys/netinet/in_pcb.h @@ -0,0 +1,525 @@ +/*- + * Copyright (c) 1982, 1986, 1990, 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. + * 4. 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. + * + * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 + * $FreeBSD$ + */ + +#ifndef _NETINET_IN_PCB_HH_ +#define _NETINET_IN_PCB_HH_ + +#include <freebsd/sys/queue.h> +#include <freebsd/sys/_lock.h> +#include <freebsd/sys/_mutex.h> +#include <freebsd/sys/_rwlock.h> + +#ifdef _KERNEL +#include <freebsd/sys/rwlock.h> +#include <freebsd/net/vnet.h> +#endif + +#define in6pcb inpcb /* for KAME src sync over BSD*'s */ +#define in6p_sp inp_sp /* for KAME src sync over BSD*'s */ +struct inpcbpolicy; + +/* + * struct inpcb is the common protocol control block structure used in most + * IP transport protocols. + * + * Pointers to local and foreign host table entries, local and foreign socket + * numbers, and pointers up (to a socket structure) and down (to a + * protocol-specific control block) are stored here. + */ +LIST_HEAD(inpcbhead, inpcb); +LIST_HEAD(inpcbporthead, inpcbport); +typedef u_quad_t inp_gen_t; + +/* + * PCB with AF_INET6 null bind'ed laddr can receive AF_INET input packet. + * So, AF_INET6 null laddr is also used as AF_INET null laddr, by utilizing + * the following structure. + */ +struct in_addr_4in6 { + u_int32_t ia46_pad32[3]; + struct in_addr ia46_addr4; +}; + +/* + * NOTE: ipv6 addrs should be 64-bit aligned, per RFC 2553. in_conninfo has + * some extra padding to accomplish this. + */ +struct in_endpoints { + u_int16_t ie_fport; /* foreign port */ + u_int16_t ie_lport; /* local port */ + /* protocol dependent part, local and foreign addr */ + union { + /* foreign host table entry */ + struct in_addr_4in6 ie46_foreign; + struct in6_addr ie6_foreign; + } ie_dependfaddr; + union { + /* local host table entry */ + struct in_addr_4in6 ie46_local; + struct in6_addr ie6_local; + } ie_dependladdr; +}; +#define ie_faddr ie_dependfaddr.ie46_foreign.ia46_addr4 +#define ie_laddr ie_dependladdr.ie46_local.ia46_addr4 +#define ie6_faddr ie_dependfaddr.ie6_foreign +#define ie6_laddr ie_dependladdr.ie6_local + +/* + * XXX The defines for inc_* are hacks and should be changed to direct + * references. + */ +struct in_conninfo { + u_int8_t inc_flags; + u_int8_t inc_len; + u_int16_t inc_fibnum; /* XXX was pad, 16 bits is plenty */ + /* protocol dependent part */ + struct in_endpoints inc_ie; +}; + +/* + * Flags for inc_flags. + */ +#define INC_ISIPV6 0x01 + +#define inc_isipv6 inc_flags /* temp compatability */ +#define inc_fport inc_ie.ie_fport +#define inc_lport inc_ie.ie_lport +#define inc_faddr inc_ie.ie_faddr +#define inc_laddr inc_ie.ie_laddr +#define inc6_faddr inc_ie.ie6_faddr +#define inc6_laddr inc_ie.ie6_laddr + +struct icmp6_filter; + +/*- + * struct inpcb captures the network layer state for TCP, UDP, and raw IPv4 + * and IPv6 sockets. In the case of TCP, further per-connection state is + * hung off of inp_ppcb most of the time. Almost all fields of struct inpcb + * are static after creation or protected by a per-inpcb rwlock, inp_lock. A + * few fields also require the global pcbinfo lock for the inpcb to be held, + * when modified, such as the global connection lists and hashes, as well as + * binding information (which affects which hash a connection is on). This + * model means that connections can be looked up without holding the + * per-connection lock, which is important for performance when attempting to + * find the connection for a packet given its IP and port tuple. Writing to + * these fields that write locks be held on both the inpcb and global locks. + * + * Key: + * (c) - Constant after initialization + * (i) - Protected by the inpcb lock + * (p) - Protected by the pcbinfo lock for the inpcb + * (s) - Protected by another subsystem's locks + * (x) - Undefined locking + * + * A few other notes: + * + * When a read lock is held, stability of the field is guaranteed; to write + * to a field, a write lock must generally be held. + * + * netinet/netinet6-layer code should not assume that the inp_socket pointer + * is safe to dereference without inp_lock being held, even for protocols + * other than TCP (where the inpcb persists during TIMEWAIT even after the + * socket has been freed), or there may be close(2)-related races. + * + * The inp_vflag field is overloaded, and would otherwise ideally be (c). + */ +struct inpcb { + LIST_ENTRY(inpcb) inp_hash; /* (i/p) hash list */ + LIST_ENTRY(inpcb) inp_list; /* (i/p) list for all PCBs for proto */ + void *inp_ppcb; /* (i) pointer to per-protocol pcb */ + struct inpcbinfo *inp_pcbinfo; /* (c) PCB list info */ + struct socket *inp_socket; /* (i) back pointer to socket */ + struct ucred *inp_cred; /* (c) cache of socket cred */ + u_int32_t inp_flow; /* (i) IPv6 flow information */ + int inp_flags; /* (i) generic IP/datagram flags */ + int inp_flags2; /* (i) generic IP/datagram flags #2*/ + u_char inp_vflag; /* (i) IP version flag (v4/v6) */ + u_char inp_ip_ttl; /* (i) time to live proto */ + u_char inp_ip_p; /* (c) protocol proto */ + u_char inp_ip_minttl; /* (i) minimum TTL or drop */ + uint32_t inp_flowid; /* (x) flow id / queue id */ + u_int inp_refcount; /* (i) refcount */ + void *inp_pspare[4]; /* (x) rtentry / general use */ + u_int inp_ispare[4]; /* general use */ + + /* Local and foreign ports, local and foreign addr. */ + struct in_conninfo inp_inc; /* (i/p) list for PCB's local port */ + + /* MAC and IPSEC policy information. */ + struct label *inp_label; /* (i) MAC label */ + struct inpcbpolicy *inp_sp; /* (s) for IPSEC */ + + /* Protocol-dependent part; options. */ + struct { + u_char inp4_ip_tos; /* (i) type of service proto */ + struct mbuf *inp4_options; /* (i) IP options */ + struct ip_moptions *inp4_moptions; /* (i) IP mcast options */ + } inp_depend4; + struct { + /* (i) IP options */ + struct mbuf *inp6_options; + /* (i) IP6 options for outgoing packets */ + struct ip6_pktopts *inp6_outputopts; + /* (i) IP multicast options */ + struct ip6_moptions *inp6_moptions; + /* (i) ICMPv6 code type filter */ + struct icmp6_filter *inp6_icmp6filt; + /* (i) IPV6_CHECKSUM setsockopt */ + int inp6_cksum; + short inp6_hops; + } inp_depend6; + LIST_ENTRY(inpcb) inp_portlist; /* (i/p) */ + struct inpcbport *inp_phd; /* (i/p) head of this list */ +#define inp_zero_size offsetof(struct inpcb, inp_gencnt) + inp_gen_t inp_gencnt; /* (c) generation count */ + struct llentry *inp_lle; /* cached L2 information */ + struct rtentry *inp_rt; /* cached L3 information */ + struct rwlock inp_lock; +}; +#define inp_fport inp_inc.inc_fport +#define inp_lport inp_inc.inc_lport +#define inp_faddr inp_inc.inc_faddr +#define inp_laddr inp_inc.inc_laddr +#define inp_ip_tos inp_depend4.inp4_ip_tos +#define inp_options inp_depend4.inp4_options +#define inp_moptions inp_depend4.inp4_moptions + +#define in6p_faddr inp_inc.inc6_faddr +#define in6p_laddr inp_inc.inc6_laddr +#define in6p_hops inp_depend6.inp6_hops /* default hop limit */ +#define in6p_flowinfo inp_flow +#define in6p_options inp_depend6.inp6_options +#define in6p_outputopts inp_depend6.inp6_outputopts +#define in6p_moptions inp_depend6.inp6_moptions +#define in6p_icmp6filt inp_depend6.inp6_icmp6filt +#define in6p_cksum inp_depend6.inp6_cksum + +#define inp_vnet inp_pcbinfo->ipi_vnet + +/* + * The range of the generation count, as used in this implementation, is 9e19. + * We would have to create 300 billion connections per second for this number + * to roll over in a year. This seems sufficiently unlikely that we simply + * don't concern ourselves with that possibility. + */ + +/* + * Interface exported to userland by various protocols which use inpcbs. Hack + * alert -- only define if struct xsocket is in scope. + */ +#ifdef _SYS_SOCKETVAR_HH_ +struct xinpcb { + size_t xi_len; /* length of this structure */ + struct inpcb xi_inp; + struct xsocket xi_socket; + u_quad_t xi_alignment_hack; +}; + +struct xinpgen { + size_t xig_len; /* length of this structure */ + u_int xig_count; /* number of PCBs at this time */ + inp_gen_t xig_gen; /* generation count at this time */ + so_gen_t xig_sogen; /* socket generation count at this time */ +}; +#endif /* _SYS_SOCKETVAR_HH_ */ + +struct inpcbport { + LIST_ENTRY(inpcbport) phd_hash; + struct inpcbhead phd_pcblist; + u_short phd_port; +}; + +/* + * Global data structure for each high-level protocol (UDP, TCP, ...) in both + * IPv4 and IPv6. Holds inpcb lists and information for managing them. + */ +struct inpcbinfo { + /* + * Global list of inpcbs on the protocol. + */ + struct inpcbhead *ipi_listhead; + u_int ipi_count; + + /* + * Global hash of inpcbs, hashed by local and foreign addresses and + * port numbers. + */ + struct inpcbhead *ipi_hashbase; + u_long ipi_hashmask; + + /* + * Global hash of inpcbs, hashed by only local port number. + */ + struct inpcbporthead *ipi_porthashbase; + u_long ipi_porthashmask; + + /* + * Fields associated with port lookup and allocation. + */ + u_short ipi_lastport; + u_short ipi_lastlow; + u_short ipi_lasthi; + + /* + * UMA zone from which inpcbs are allocated for this protocol. + */ + struct uma_zone *ipi_zone; + + /* + * Generation count--incremented each time a connection is allocated + * or freed. + */ + u_quad_t ipi_gencnt; + struct rwlock ipi_lock; + + /* + * Pointer to network stack instance + */ + struct vnet *ipi_vnet; + + /* + * general use 2 + */ + void *ipi_pspare[2]; +}; + +#define INP_LOCK_INIT(inp, d, t) \ + rw_init_flags(&(inp)->inp_lock, (t), RW_RECURSE | RW_DUPOK) +#define INP_LOCK_DESTROY(inp) rw_destroy(&(inp)->inp_lock) +#define INP_RLOCK(inp) rw_rlock(&(inp)->inp_lock) +#define INP_WLOCK(inp) rw_wlock(&(inp)->inp_lock) +#define INP_TRY_RLOCK(inp) rw_try_rlock(&(inp)->inp_lock) +#define INP_TRY_WLOCK(inp) rw_try_wlock(&(inp)->inp_lock) +#define INP_RUNLOCK(inp) rw_runlock(&(inp)->inp_lock) +#define INP_WUNLOCK(inp) rw_wunlock(&(inp)->inp_lock) +#define INP_TRY_UPGRADE(inp) rw_try_upgrade(&(inp)->inp_lock) +#define INP_DOWNGRADE(inp) rw_downgrade(&(inp)->inp_lock) +#define INP_WLOCKED(inp) rw_wowned(&(inp)->inp_lock) +#define INP_LOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_LOCKED) +#define INP_RLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_RLOCKED) +#define INP_WLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_WLOCKED) +#define INP_UNLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_UNLOCKED) + +#ifdef _KERNEL +/* + * These locking functions are for inpcb consumers outside of sys/netinet, + * more specifically, they were added for the benefit of TOE drivers. The + * macros are reserved for use by the stack. + */ +void inp_wlock(struct inpcb *); +void inp_wunlock(struct inpcb *); +void inp_rlock(struct inpcb *); +void inp_runlock(struct inpcb *); + +#ifdef INVARIANTS +void inp_lock_assert(struct inpcb *); +void inp_unlock_assert(struct inpcb *); +#else +static __inline void +inp_lock_assert(struct inpcb *inp __unused) +{ +} + +static __inline void +inp_unlock_assert(struct inpcb *inp __unused) +{ +} + +#endif + +void inp_apply_all(void (*func)(struct inpcb *, void *), void *arg); +int inp_ip_tos_get(const struct inpcb *inp); +void inp_ip_tos_set(struct inpcb *inp, int val); +struct socket * + inp_inpcbtosocket(struct inpcb *inp); +struct tcpcb * + inp_inpcbtotcpcb(struct inpcb *inp); +void inp_4tuple_get(struct inpcb *inp, uint32_t *laddr, uint16_t *lp, + uint32_t *faddr, uint16_t *fp); + +#endif /* _KERNEL */ + +#define INP_INFO_LOCK_INIT(ipi, d) \ + rw_init_flags(&(ipi)->ipi_lock, (d), RW_RECURSE) +#define INP_INFO_LOCK_DESTROY(ipi) rw_destroy(&(ipi)->ipi_lock) +#define INP_INFO_RLOCK(ipi) rw_rlock(&(ipi)->ipi_lock) +#define INP_INFO_WLOCK(ipi) rw_wlock(&(ipi)->ipi_lock) +#define INP_INFO_TRY_RLOCK(ipi) rw_try_rlock(&(ipi)->ipi_lock) +#define INP_INFO_TRY_WLOCK(ipi) rw_try_wlock(&(ipi)->ipi_lock) +#define INP_INFO_TRY_UPGRADE(ipi) rw_try_upgrade(&(ipi)->ipi_lock) +#define INP_INFO_RUNLOCK(ipi) rw_runlock(&(ipi)->ipi_lock) +#define INP_INFO_WUNLOCK(ipi) rw_wunlock(&(ipi)->ipi_lock) +#define INP_INFO_LOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_LOCKED) +#define INP_INFO_RLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_RLOCKED) +#define INP_INFO_WLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_WLOCKED) +#define INP_INFO_UNLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_UNLOCKED) + +#define INP_PCBHASH(faddr, lport, fport, mask) \ + (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) +#define INP_PCBPORTHASH(lport, mask) \ + (ntohs((lport)) & (mask)) + +/* + * Flags for inp_vflags -- historically version flags only + */ +#define INP_IPV4 0x1 +#define INP_IPV6 0x2 +#define INP_IPV6PROTO 0x4 /* opened under IPv6 protocol */ + +/* + * Flags for inp_flags. + */ +#define INP_RECVOPTS 0x00000001 /* receive incoming IP options */ +#define INP_RECVRETOPTS 0x00000002 /* receive IP options for reply */ +#define INP_RECVDSTADDR 0x00000004 /* receive IP dst address */ +#define INP_HDRINCL 0x00000008 /* user supplies entire IP header */ +#define INP_HIGHPORT 0x00000010 /* user wants "high" port binding */ +#define INP_LOWPORT 0x00000020 /* user wants "low" port binding */ +#define INP_ANONPORT 0x00000040 /* port chosen for user */ +#define INP_RECVIF 0x00000080 /* receive incoming interface */ +#define INP_MTUDISC 0x00000100 /* user can do MTU discovery */ +#define INP_FAITH 0x00000200 /* accept FAITH'ed connections */ +#define INP_RECVTTL 0x00000400 /* receive incoming IP TTL */ +#define INP_DONTFRAG 0x00000800 /* don't fragment packet */ +#define INP_BINDANY 0x00001000 /* allow bind to any address */ +#define INP_INHASHLIST 0x00002000 /* in_pcbinshash() has been called */ +#define IN6P_IPV6_V6ONLY 0x00008000 /* restrict AF_INET6 socket for v6 */ +#define IN6P_PKTINFO 0x00010000 /* receive IP6 dst and I/F */ +#define IN6P_HOPLIMIT 0x00020000 /* receive hoplimit */ +#define IN6P_HOPOPTS 0x00040000 /* receive hop-by-hop options */ +#define IN6P_DSTOPTS 0x00080000 /* receive dst options after rthdr */ +#define IN6P_RTHDR 0x00100000 /* receive routing header */ +#define IN6P_RTHDRDSTOPTS 0x00200000 /* receive dstoptions before rthdr */ +#define IN6P_TCLASS 0x00400000 /* receive traffic class value */ +#define IN6P_AUTOFLOWLABEL 0x00800000 /* attach flowlabel automatically */ +#define INP_TIMEWAIT 0x01000000 /* in TIMEWAIT, ppcb is tcptw */ +#define INP_ONESBCAST 0x02000000 /* send all-ones broadcast */ +#define INP_DROPPED 0x04000000 /* protocol drop flag */ +#define INP_SOCKREF 0x08000000 /* strong socket reference */ +#define INP_SW_FLOWID 0x10000000 /* software generated flow id */ +#define INP_HW_FLOWID 0x20000000 /* hardware generated flow id */ +#define IN6P_RFC2292 0x40000000 /* used RFC2292 API on the socket */ +#define IN6P_MTU 0x80000000 /* receive path MTU */ + +#define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ + INP_RECVIF|INP_RECVTTL|\ + IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ + IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ + IN6P_TCLASS|IN6P_AUTOFLOWLABEL|IN6P_RFC2292|\ + IN6P_MTU) + +/* + * Flags for inp_flags2. + */ +#define INP_LLE_VALID 0x00000001 /* cached lle is valid */ +#define INP_RT_VALID 0x00000002 /* cached rtentry is valid */ + +#define INPLOOKUP_WILDCARD 1 +#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) +#define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */ + +#define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family + +#define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af) + +#ifdef _KERNEL +VNET_DECLARE(int, ipport_reservedhigh); +VNET_DECLARE(int, ipport_reservedlow); +VNET_DECLARE(int, ipport_lowfirstauto); +VNET_DECLARE(int, ipport_lowlastauto); +VNET_DECLARE(int, ipport_firstauto); +VNET_DECLARE(int, ipport_lastauto); +VNET_DECLARE(int, ipport_hifirstauto); +VNET_DECLARE(int, ipport_hilastauto); +VNET_DECLARE(int, ipport_randomized); +VNET_DECLARE(int, ipport_randomcps); +VNET_DECLARE(int, ipport_randomtime); +VNET_DECLARE(int, ipport_stoprandom); +VNET_DECLARE(int, ipport_tcpallocs); + +#define V_ipport_reservedhigh VNET(ipport_reservedhigh) +#define V_ipport_reservedlow VNET(ipport_reservedlow) +#define V_ipport_lowfirstauto VNET(ipport_lowfirstauto) +#define V_ipport_lowlastauto VNET(ipport_lowlastauto) +#define V_ipport_firstauto VNET(ipport_firstauto) +#define V_ipport_lastauto VNET(ipport_lastauto) +#define V_ipport_hifirstauto VNET(ipport_hifirstauto) +#define V_ipport_hilastauto VNET(ipport_hilastauto) +#define V_ipport_randomized VNET(ipport_randomized) +#define V_ipport_randomcps VNET(ipport_randomcps) +#define V_ipport_randomtime VNET(ipport_randomtime) +#define V_ipport_stoprandom VNET(ipport_stoprandom) +#define V_ipport_tcpallocs VNET(ipport_tcpallocs) + +extern struct callout ipport_tick_callout; + +void in_pcbpurgeif0(struct inpcbinfo *, struct ifnet *); +int in_pcballoc(struct socket *, struct inpcbinfo *); +int in_pcbbind(struct inpcb *, struct sockaddr *, struct ucred *); +int in_pcbbind_setup(struct inpcb *, struct sockaddr *, in_addr_t *, + u_short *, struct ucred *); +int in_pcbconnect(struct inpcb *, struct sockaddr *, struct ucred *); +int in_pcbconnect_setup(struct inpcb *, struct sockaddr *, in_addr_t *, + u_short *, in_addr_t *, u_short *, struct inpcb **, + struct ucred *); +void in_pcbdetach(struct inpcb *); +void in_pcbdisconnect(struct inpcb *); +void in_pcbdrop(struct inpcb *); +void in_pcbfree(struct inpcb *); +int in_pcbinshash(struct inpcb *); +struct inpcb * + in_pcblookup_local(struct inpcbinfo *, + struct in_addr, u_short, int, struct ucred *); +struct inpcb * + in_pcblookup_hash(struct inpcbinfo *, struct in_addr, u_int, + struct in_addr, u_int, int, struct ifnet *); +#ifndef __rtems__ +void in_pcbnotifyall(struct inpcbinfo *pcbinfo, struct in_addr, + int, struct inpcb *(*)(struct inpcb *, int)); +#else +void in_pcbnotifyall(struct inpcbinfo *pcbinfo, struct in_addr faddr, int errno, + struct inpcb *(*notify)(struct inpcb *, int));
+#endif +void in_pcbref(struct inpcb *); +void in_pcbrehash(struct inpcb *); +int in_pcbrele(struct inpcb *); +void in_pcbsetsolabel(struct socket *so); +int in_getpeeraddr(struct socket *so, struct sockaddr **nam); +int in_getsockaddr(struct socket *so, struct sockaddr **nam); +struct sockaddr * + in_sockaddr(in_port_t port, struct in_addr *addr); +void in_pcbsosetlabel(struct socket *so); +void ipport_tick(void *xtp); +#endif /* _KERNEL */ + +#endif /* !_NETINET_IN_PCB_HH_ */ |