X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b0d623f7f2ae71ed96e60569f61f9a9a27016e80..a39ff7e25e19b3a8c3020042a3872ca9ec9659f1:/bsd/netinet/in_pcb.h?ds=inline diff --git a/bsd/netinet/in_pcb.h b/bsd/netinet/in_pcb.h index a793f3a12..588a4d054 100644 --- a/bsd/netinet/in_pcb.h +++ b/bsd/netinet/in_pcb.h @@ -1,8 +1,8 @@ /* - * Copyright (c) 2000-2008 Apple Inc. All rights reserved. + * Copyright (c) 2000-2016 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ - * + * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in @@ -11,10 +11,10 @@ * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. - * + * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. - * + * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, @@ -22,7 +22,7 @@ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. - * + * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* @@ -68,47 +68,53 @@ */ #ifndef _NETINET_IN_PCB_H_ -#define _NETINET_IN_PCB_H_ +#define _NETINET_IN_PCB_H_ #include #include #include -#ifdef KERNEL_PRIVATE -#ifdef KERNEL +#ifdef BSD_KERNEL_PRIVATE +#include +#include #include -#endif -#endif /* KERNEL_PRIVATE */ +#include +#include +#endif /* BSD_KERNEL_PRIVATE */ +#if IPSEC #include /* for IPSEC */ +#endif /* IPSEC */ -#ifdef KERNEL_PRIVATE +#if NECP +#include +#endif -#define in6pcb inpcb /* for KAME src sync over BSD*'s */ -#define in6p_sp inp_sp /* for KAME src sync over BSD*'s */ +#ifdef BSD_KERNEL_PRIVATE /* - * Common structure pcb for internet protocol implementation. - * Here are stored 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. + * 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); -#endif /* KERNEL_PRIVATE */ +#endif /* BSD_KERNEL_PRIVATE */ 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 utilize following structure. (At last, same as INRIA) + * 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; }; -#ifdef KERNEL_PRIVATE +#ifdef BSD_KERNEL_PRIVATE /* * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS * of the structure. Therefore, it is important that the members in @@ -119,44 +125,65 @@ struct icmp6_filter; #if CONFIG_MACF_NET struct label; #endif +struct ifnet; + +struct inp_stat { + u_int64_t rxpackets; + u_int64_t rxbytes; + u_int64_t txpackets; + u_int64_t txbytes; +}; +/* + * struct inpcb captures the network layer state for TCP, UDP and raw IPv6 + * and IPv6 sockets. In the case of TCP, further per-connection state is + * hung off of inp_ppcb most of the time. + */ struct inpcb { + decl_lck_mtx_data(, inpcb_mtx); /* inpcb per-socket mutex */ LIST_ENTRY(inpcb) inp_hash; /* hash list */ - int inp_wantcnt; /* pcb wanted count. protected by pcb list lock */ - int inp_state; /* state of this pcb, in use, recycled, ready for recycling... */ - u_short inp_fport; /* foreign port */ - u_short inp_lport; /* local port */ LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ - caddr_t inp_ppcb; /* pointer to per-protocol pcb */ - struct inpcbinfo *inp_pcbinfo; /* PCB list info */ - struct socket *inp_socket; /* back pointer to socket */ - u_char nat_owner; /* Used to NAT TCP/UDP traffic */ - u_int32_t nat_cookie; /* Cookie stored and returned to NAT */ + void *inp_ppcb; /* pointer to per-protocol pcb */ + struct inpcbinfo *inp_pcbinfo; /* PCB list info */ + struct socket *inp_socket; /* back pointer to socket */ LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */ - struct inpcbport *inp_phd; /* head of this list */ + RB_ENTRY(inpcb) infc_link; /* link for flowhash RB tree */ + struct inpcbport *inp_phd; /* head of this list */ inp_gen_t inp_gencnt; /* generation count of this instance */ - int inp_flags; /* generic IP/datagram flags */ - u_int32_t inp_flow; + int inp_hash_element; /* array index of pcb's hash list */ + int inp_wantcnt; /* wanted count; atomically updated */ + int inp_state; /* state (INUSE/CACHED/DEAD) */ + u_short inp_fport; /* foreign port */ + u_short inp_lport; /* local port */ + u_int32_t inp_flags; /* generic IP/datagram flags */ + u_int32_t inp_flags2; /* generic IP/datagram flags #2 */ + u_int32_t inp_flow; /* IPv6 flow information */ - u_char inp_vflag; /* INP_IPV4 or INP_IPV6 */ + u_char inp_sndinprog_cnt; /* outstanding send operations */ + u_char inp_vflag; /* INP_IPV4 or INP_IPV6 */ u_char inp_ip_ttl; /* time to live proto */ u_char inp_ip_p; /* protocol proto */ - /* protocol dependent part */ + + struct ifnet *inp_boundifp; /* interface for INP_BOUND_IF */ + struct ifnet *inp_last_outifp; /* last known outgoing interface */ + u_int32_t inp_flowhash; /* flow hash */ + + /* Protocol-dependent part */ union { /* foreign host table entry */ - struct in_addr_4in6 inp46_foreign; - struct in6_addr inp6_foreign; + struct in_addr_4in6 inp46_foreign; + struct in6_addr inp6_foreign; } inp_dependfaddr; union { /* local host table entry */ - struct in_addr_4in6 inp46_local; - struct in6_addr inp6_local; + struct in_addr_4in6 inp46_local; + struct in6_addr inp6_local; } inp_dependladdr; union { /* placeholder for routing entry */ - struct route inp4_route; - struct route_in6 inp6_route; + struct route inp4_route; + struct route_in6 inp6_route; } inp_dependroute; struct { /* type of service proto */ @@ -169,9 +196,6 @@ struct inpcb { struct { /* IP options */ struct mbuf *inp6_options; - u_int8_t inp6_hlim; - u_int8_t unused_uint8_1; - ushort unused_uint16_1; /* IP6 options for outgoing packets */ struct ip6_pktopts *inp6_outputopts; /* IP multicast options */ @@ -180,63 +204,81 @@ struct inpcb { struct icmp6_filter *inp6_icmp6filt; /* IPV6_CHECKSUM setsockopt */ int inp6_cksum; - u_short inp6_ifindex; short inp6_hops; } inp_depend6; - int hash_element; /* Array index of pcb's hash list */ caddr_t inp_saved_ppcb; /* place to save pointer while cached */ - struct inpcbpolicy *inp_sp; -#ifdef _KERN_LOCKS_H_ - lck_mtx_t *inpcb_mtx; /* inpcb per-socket mutex */ -#else - void *inpcb_mtx; -#endif - unsigned int inp_boundif; /* interface scope for INP_BOUND_IF */ - u_int32_t inp_reserved[3]; /* reserved for future use */ #if CONFIG_MACF_NET struct label *inp_label; /* MAC label */ #endif +#if IPSEC + struct inpcbpolicy *inp_sp; /* for IPSec */ +#endif /* IPSEC */ +#if NECP + struct { + char *inp_domain; + char *inp_account; + } inp_necp_attributes; + struct necp_inpcb_result inp_policyresult; + uuid_t necp_client_uuid; + void (*necp_cb)(void *, int, struct necp_client_flow *); +#endif + u_char *inp_keepalive_data; /* for keepalive offload */ + u_int8_t inp_keepalive_datalen; /* keepalive data length */ + u_int8_t inp_keepalive_type; /* type of application */ + u_int16_t inp_keepalive_interval; /* keepalive interval */ + uint32_t inp_nstat_refcnt __attribute__((aligned(4))); + struct inp_stat *inp_stat; + struct inp_stat *inp_cstat; /* cellular data */ + struct inp_stat *inp_wstat; /* Wi-Fi data */ + struct inp_stat *inp_Wstat; /* Wired data */ + u_int8_t inp_stat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; + u_int8_t inp_cstat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; + u_int8_t inp_wstat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; + u_int8_t inp_Wstat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; + activity_bitmap_t inp_nw_activity; + u_int64_t inp_start_timestamp; }; -#endif /* KERNEL_PRIVATE */ - -/* - * 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. - */ +#define INP_ADD_STAT(_inp, _cnt_cellular, _cnt_wifi, _cnt_wired, _a, _n)\ +do { \ + locked_add_64(&((_inp)->inp_stat->_a), (_n)); \ + if (_cnt_cellular) \ + locked_add_64(&((_inp)->inp_cstat->_a), (_n)); \ + if (_cnt_wifi) \ + locked_add_64(&((_inp)->inp_wstat->_a), (_n)); \ + if (_cnt_wired) \ + locked_add_64(&((_inp)->inp_Wstat->_a), (_n)); \ +} while (0); +#endif /* BSD_KERNEL_PRIVATE */ /* * Interface exported to userland by various protocols which use * inpcbs. Hack alert -- only define if struct xsocket is in scope. */ +#pragma pack(4) +#if defined(__LP64__) +struct _inpcb_list_entry { + u_int32_t le_next; + u_int32_t le_prev; +}; +#define _INPCB_PTR(x) u_int32_t +#define _INPCB_LIST_ENTRY(x) struct _inpcb_list_entry +#else /* !__LP64__ */ +#define _INPCB_PTR(x) x +#define _INPCB_LIST_ENTRY(x) LIST_ENTRY(x) +#endif /* !__LP64__ */ + +#ifdef XNU_KERNEL_PRIVATE /* * This is a copy of the inpcb as it shipped in Panther. This structure * is filled out in a copy function. This allows the inpcb to change * without breaking userland tools. - * + * * CAUTION: Many fields may not be filled out. Fewer may be filled out * in the future. Code defensively. */ - -#pragma pack(4) - -#if defined(__LP64__) -struct _inpcb_list_entry { - u_int32_t le_next; - u_int32_t le_prev; -}; -#define _INPCB_PTR(x) u_int32_t -#define _INPCB_LIST_ENTRY(x) struct _inpcb_list_entry -#else -#define _INPCB_PTR(x) x -#define _INPCB_LIST_ENTRY(x) LIST_ENTRY(x) -#endif - -#ifdef KERNEL_PRIVATE struct inpcb_compat { #else struct inpcbinfo; @@ -250,41 +292,41 @@ struct inpcbpolicy; struct inpcb { #endif /* KERNEL_PRIVATE */ _INPCB_LIST_ENTRY(inpcb) inp_hash; /* hash list */ - struct in_addr reserved1; /* APPLE reserved: inp_faddr defined in protcol indep. part */ - struct in_addr reserved2; /* APPLE reserved */ - u_short inp_fport; /* foreign port */ - u_short inp_lport; /* local port */ - _INPCB_LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ - _INPCB_PTR(caddr_t) inp_ppcb; /* pointer to per-protocol pcb */ - _INPCB_PTR(struct inpcbinfo *) inp_pcbinfo; /* PCB list info */ - _INPCB_PTR(void *) inp_socket; /* back pointer to socket */ - u_char nat_owner; /* Used to NAT TCP/UDP traffic */ + struct in_addr reserved1; /* reserved */ + struct in_addr reserved2; /* reserved */ + u_short inp_fport; /* foreign port */ + u_short inp_lport; /* local port */ + _INPCB_LIST_ENTRY(inpcb) inp_list; /* list for all peer PCBs */ + _INPCB_PTR(caddr_t) inp_ppcb; /* per-protocol pcb */ + _INPCB_PTR(struct inpcbinfo *) inp_pcbinfo; /* PCB list info */ + _INPCB_PTR(void *) inp_socket; /* back pointer to socket */ + u_char nat_owner; /* Used to NAT TCP/UDP traffic */ u_int32_t nat_cookie; /* Cookie stored and returned to NAT */ - _INPCB_LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */ - _INPCB_PTR(struct inpcbport *) inp_phd; /* head of this list */ + _INPCB_LIST_ENTRY(inpcb) inp_portlist; /* this PCB's local port list */ + _INPCB_PTR(struct inpcbport *) inp_phd; /* head of this list */ inp_gen_t inp_gencnt; /* generation count of this instance */ - int inp_flags; /* generic IP/datagram flags */ + int inp_flags; /* generic IP/datagram flags */ u_int32_t inp_flow; - u_char inp_vflag; + u_char inp_vflag; u_char inp_ip_ttl; /* time to live proto */ u_char inp_ip_p; /* protocol proto */ /* protocol dependent part */ union { /* foreign host table entry */ - struct in_addr_4in6 inp46_foreign; - struct in6_addr inp6_foreign; + struct in_addr_4in6 inp46_foreign; + struct in6_addr inp6_foreign; } inp_dependfaddr; union { /* local host table entry */ - struct in_addr_4in6 inp46_local; - struct in6_addr inp6_local; + struct in_addr_4in6 inp46_local; + struct in6_addr inp6_local; } inp_dependladdr; union { /* placeholder for routing entry */ - u_char inp4_route[20]; - u_char inp6_route[32]; + u_char inp4_route[20]; + u_char inp6_route[32]; } inp_dependroute; struct { /* type of service proto */ @@ -297,31 +339,31 @@ struct inpcb { struct { /* IP options */ - _INPCB_PTR(struct mbuf *) inp6_options; - u_int8_t inp6_hlim; - u_int8_t unused_uint8_1; - ushort unused_uint16_1; + _INPCB_PTR(struct mbuf *) inp6_options; + u_int8_t inp6_hlim; + u_int8_t unused_uint8_1; + ushort unused_uint16_1; /* IP6 options for outgoing packets */ - _INPCB_PTR(struct ip6_pktopts *) inp6_outputopts; + _INPCB_PTR(struct ip6_pktopts *) inp6_outputopts; /* IP multicast options */ - _INPCB_PTR(struct ip6_moptions *) inp6_moptions; + _INPCB_PTR(struct ip6_moptions *) inp6_moptions; /* ICMPv6 code type filter */ - _INPCB_PTR(struct icmp6_filter *) inp6_icmp6filt; + _INPCB_PTR(struct icmp6_filter *) inp6_icmp6filt; /* IPV6_CHECKSUM setsockopt */ int inp6_cksum; u_short inp6_ifindex; short inp6_hops; } inp_depend6; - int hash_element; /* Array index of pcb's hash list */ - _INPCB_PTR(caddr_t) inp_saved_ppcb; /* place to save pointer while cached */ - _INPCB_PTR(struct inpcbpolicy *) inp_sp; - u_int32_t reserved[3]; /* For future use */ + int hash_element; /* Array index of pcb's hash list */ + _INPCB_PTR(caddr_t) inp_saved_ppcb; /* pointer while cached */ + _INPCB_PTR(struct inpcbpolicy *) inp_sp; + u_int32_t reserved[3]; /* reserved */ }; struct xinpcb { u_int32_t xi_len; /* length of this structure */ -#ifdef KERNEL_PRIVATE +#ifdef XNU_KERNEL_PRIVATE struct inpcb_compat xi_inp; #else struct inpcb xi_inp; @@ -331,58 +373,95 @@ struct xinpcb { }; #if !CONFIG_EMBEDDED - struct inpcb64_list_entry { u_int64_t le_next; u_int64_t le_prev; }; struct xinpcb64 { - u_int64_t xi_len; /* length of this structure */ - u_int64_t xi_inpp; - u_short inp_fport; /* foreign port */ - u_short inp_lport; /* local port */ - struct inpcb64_list_entry - inp_list; /* list for all PCBs of this proto */ - u_int64_t inp_ppcb; /* pointer to per-protocol pcb */ - u_int64_t inp_pcbinfo; /* PCB list info */ - struct inpcb64_list_entry - inp_portlist; /* list for this PCB's local port */ - u_int64_t inp_phd; /* head of this list */ - inp_gen_t inp_gencnt; /* generation count of this instance */ - int inp_flags; /* generic IP/datagram flags */ - u_int32_t inp_flow; - u_char inp_vflag; - u_char inp_ip_ttl; /* time to live */ - u_char inp_ip_p; /* protocol */ - union { /* foreign host table entry */ - struct in_addr_4in6 inp46_foreign; - struct in6_addr inp6_foreign; - } inp_dependfaddr; - union { /* local host table entry */ - struct in_addr_4in6 inp46_local; - struct in6_addr inp6_local; - } inp_dependladdr; - struct { - u_char inp4_ip_tos; /* type of service */ - } inp_depend4; - struct { - u_int8_t inp6_hlim; - int inp6_cksum; - u_short inp6_ifindex; - short inp6_hops; - } inp_depend6; - struct xsocket64 xi_socket; - u_quad_t xi_alignment_hack; + u_int64_t xi_len; /* length of this structure */ + u_int64_t xi_inpp; + u_short inp_fport; /* foreign port */ + u_short inp_lport; /* local port */ + struct inpcb64_list_entry inp_list; /* list for all PCBs */ + u_int64_t inp_ppcb; /* ptr to per-protocol PCB */ + u_int64_t inp_pcbinfo; /* PCB list info */ + struct inpcb64_list_entry inp_portlist; /* this PCB's local port list */ + u_int64_t inp_phd; /* head of this list */ + inp_gen_t inp_gencnt; /* current generation count */ + int inp_flags; /* generic IP/datagram flags */ + u_int32_t inp_flow; + u_char inp_vflag; + u_char inp_ip_ttl; /* time to live */ + u_char inp_ip_p; /* protocol */ + union { /* foreign host table entry */ + struct in_addr_4in6 inp46_foreign; + struct in6_addr inp6_foreign; + } inp_dependfaddr; + union { /* local host table entry */ + struct in_addr_4in6 inp46_local; + struct in6_addr inp6_local; + } inp_dependladdr; + struct { + u_char inp4_ip_tos; /* type of service */ + } inp_depend4; + struct { + u_int8_t inp6_hlim; + int inp6_cksum; + u_short inp6_ifindex; + short inp6_hops; + } inp_depend6; + struct xsocket64 xi_socket; + u_quad_t xi_alignment_hack; }; - #endif /* !CONFIG_EMBEDDED */ +#ifdef PRIVATE +struct xinpcb_list_entry { + u_int64_t le_next; + u_int64_t le_prev; +}; + +struct xinpcb_n { + u_int32_t xi_len; /* length of this structure */ + u_int32_t xi_kind; /* XSO_INPCB */ + u_int64_t xi_inpp; + u_short inp_fport; /* foreign port */ + u_short inp_lport; /* local port */ + u_int64_t inp_ppcb; /* pointer to per-protocol pcb */ + inp_gen_t inp_gencnt; /* generation count of this instance */ + int inp_flags; /* generic IP/datagram flags */ + u_int32_t inp_flow; + u_char inp_vflag; + u_char inp_ip_ttl; /* time to live */ + u_char inp_ip_p; /* protocol */ + union { /* foreign host table entry */ + struct in_addr_4in6 inp46_foreign; + struct in6_addr inp6_foreign; + } inp_dependfaddr; + union { /* local host table entry */ + struct in_addr_4in6 inp46_local; + struct in6_addr inp6_local; + } inp_dependladdr; + struct { + u_char inp4_ip_tos; /* type of service */ + } inp_depend4; + struct { + u_int8_t inp6_hlim; + int inp6_cksum; + u_short inp6_ifindex; + short inp6_hops; + } inp_depend6; + u_int32_t inp_flowhash; + u_int32_t inp_flags2; +}; +#endif /* PRIVATE */ + struct xinpgen { - u_int32_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 */ + u_int32_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; /* current socket generation count */ }; #pragma pack() @@ -390,21 +469,22 @@ struct xinpgen { /* * These defines are for use with the inpcb. */ -#define INP_IPV4 0x1 -#define INP_IPV6 0x2 +#define INP_IPV4 0x1 +#define INP_IPV6 0x2 #define inp_faddr inp_dependfaddr.inp46_foreign.ia46_addr4 #define inp_laddr inp_dependladdr.inp46_local.ia46_addr4 +#define in6p_faddr inp_dependfaddr.inp6_foreign +#define in6p_laddr inp_dependladdr.inp6_local + +#ifdef BSD_KERNEL_PRIVATE #define inp_route inp_dependroute.inp4_route #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_dependfaddr.inp6_foreign -#define in6p_laddr inp_dependladdr.inp6_local #define in6p_route inp_dependroute.inp6_route #define in6p_ip6_hlim inp_depend6.inp6_hlim #define in6p_hops inp_depend6.inp6_hops /* default hop limit */ #define in6p_ip6_nxt inp_ip_p -#define in6p_flowinfo inp_flow #define in6p_vflag inp_vflag #define in6p_options inp_depend6.inp6_options #define in6p_outputopts inp_depend6.inp6_outputopts @@ -412,178 +492,354 @@ struct xinpgen { #define in6p_icmp6filt inp_depend6.inp6_icmp6filt #define in6p_cksum inp_depend6.inp6_cksum #define in6p_ifindex inp_depend6.inp6_ifindex -#define in6p_flags inp_flags /* for KAME src sync over BSD*'s */ -#define in6p_socket inp_socket /* for KAME src sync over BSD*'s */ -#define in6p_lport inp_lport /* for KAME src sync over BSD*'s */ -#define in6p_fport inp_fport /* for KAME src sync over BSD*'s */ -#define in6p_ppcb inp_ppcb /* for KAME src sync over BSD*'s */ +#define in6p_flags inp_flags +#define in6p_flags2 inp_flags2 +#define in6p_socket inp_socket +#define in6p_lport inp_lport +#define in6p_fport inp_fport +#define in6p_ppcb inp_ppcb #define in6p_state inp_state #define in6p_wantcnt inp_wantcnt +#define in6p_last_outifp inp_last_outifp +#define in6pcb inpcb +#if IPSEC +#define in6p_sp inp_sp +#endif /* IPSEC */ +#define INP_INC_IFNET_STAT(_inp_, _stat_) { \ + if ((_inp_)->inp_last_outifp != NULL) { \ + if ((_inp_)->inp_vflag & INP_IPV6) { \ + (_inp_)->inp_last_outifp->if_ipv6_stat->_stat_++;\ + } else { \ + (_inp_)->inp_last_outifp->if_ipv4_stat->_stat_++;\ + }\ + }\ +} -#ifdef KERNEL_PRIVATE struct inpcbport { LIST_ENTRY(inpcbport) phd_hash; struct inpcbhead phd_pcblist; u_short phd_port; }; -struct inpcbinfo { /* XXX documentation, prefixes */ - struct inpcbhead *hashbase; -#ifdef __APPLE__ - u_int32_t hashsize; /* in elements */ -#endif - u_long hashmask; /* needs to be u_long as expected by hash functions */ - struct inpcbporthead *porthashbase; - u_long porthashmask; /* needs to be u_long as expected by hash functions */ - struct inpcbhead *listhead; - u_short lastport; - u_short lastlow; - u_short lasthi; - void *ipi_zone; /* zone to allocate pcbs from */ - u_int ipi_count; /* number of pcbs in this list */ - u_quad_t ipi_gencnt; /* current generation count */ -#ifdef __APPLE__ -#ifdef _KERN_LOCKS_H_ - lck_attr_t *mtx_attr; /* mutex attributes */ - lck_grp_t *mtx_grp; /* mutex group definition */ - lck_grp_attr_t *mtx_grp_attr; /* mutex group attributes */ - lck_rw_t *mtx; /* global mutex for the pcblist*/ -#else - void *mtx_attr; /* mutex attributes */ - void *mtx_grp; /* mutex group definition */ - void *mtx_grp_attr; /* mutex group attributes */ - void *mtx; /* global mutex for the pcblist*/ -#endif -#endif +struct intimercount { + u_int32_t intimer_lazy; /* lazy requests for timer scheduling */ + u_int32_t intimer_fast; /* fast requests, can be coalesced */ + u_int32_t intimer_nodelay; /* fast requests, never coalesced */ }; -#define INP_PCBHASH(faddr, lport, fport, mask) \ - (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) -#define INP_PCBPORTHASH(lport, mask) \ - (ntohs((lport)) & (mask)) +typedef void (*inpcb_timer_func_t)(struct inpcbinfo *); -#endif /* KERNEL_PRIVATE */ +/* + * Global data structure for each high-level protocol (UDP, TCP, ...) in both + * IPv4 and IPv6. Holds inpcb lists and information for managing them. Each + * pcbinfo is protected by a RW lock: ipi_lock. + * + * All INPCB pcbinfo entries are linked together via ipi_entry. + */ +struct inpcbinfo { + /* + * Glue to all PCB infos, as well as garbage collector and + * timer callbacks, protected by inpcb_lock. Callout request + * counts are atomically updated. + */ + TAILQ_ENTRY(inpcbinfo) ipi_entry; + inpcb_timer_func_t ipi_gc; + inpcb_timer_func_t ipi_timer; + struct intimercount ipi_gc_req; + struct intimercount ipi_timer_req; -/* flags in inp_flags: */ -#define INP_RECVOPTS 0x01 /* receive incoming IP options */ -#define INP_RECVRETOPTS 0x02 /* receive IP options for reply */ -#define INP_RECVDSTADDR 0x04 /* receive IP dst address */ -#define INP_HDRINCL 0x08 /* user supplies entire IP header */ -#define INP_HIGHPORT 0x10 /* user wants "high" port binding */ -#define INP_LOWPORT 0x20 /* user wants "low" port binding */ -#define INP_ANONPORT 0x40 /* port chosen for user */ -#define INP_RECVIF 0x80 /* receive incoming interface */ -#define INP_MTUDISC 0x100 /* user can do MTU discovery */ -#ifdef __APPLE__ -#define INP_STRIPHDR 0x200 /* Strip headers in raw_ip, for OT support */ -#endif -#define INP_FAITH 0x400 /* accept FAITH'ed connections */ -#define INP_INADDR_ANY 0x800 /* local address wasn't specified */ + /* + * Per-protocol lock protecting pcb list, pcb count, etc. + */ + lck_rw_t *ipi_lock; -#define INP_RECVTTL 0x1000 -#define INP_UDP_NOCKSUM 0x2000 /* Turn off outbound UDP checksum */ -#define INP_BOUND_IF 0x4000 /* bind socket to an ifindex */ + /* + * List and count of pcbs on the protocol. + */ + struct inpcbhead *ipi_listhead; + uint32_t ipi_count; -#define IN6P_IPV6_V6ONLY 0x008000 /* restrict AF_INET6 socket for v6 */ + /* + * Count of pcbs marked with INP2_TIMEWAIT flag. + */ + uint32_t ipi_twcount; -#define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */ -#define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */ -#define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */ -#define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */ -#define IN6P_RTHDR 0x100000 /* receive routing header */ -#define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */ -#define IN6P_TCLASS 0x400000 /* receive traffic class value */ -#define IN6P_AUTOFLOWLABEL 0x800000 /* attach flowlabel automatically */ -#define IN6P_BINDV6ONLY 0x10000000 /* do not grab IPv4 traffic */ + /* + * Generation count -- incremented each time a connection is + * allocated or freed. + */ + uint64_t ipi_gencnt; + + /* + * Fields associated with port lookup and allocation. + */ + uint16_t ipi_lastport; + uint16_t ipi_lastlow; + uint16_t ipi_lasthi; + + /* + * Zone from which inpcbs are allocated for this protocol. + */ + struct zone *ipi_zone; -#ifdef KERNEL_PRIVATE -#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) -#define INP_UNMAPPABLEOPTS (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR|\ - IN6P_TCLASS|IN6P_AUTOFLOWLABEL) - - /* for KAME src sync over BSD*'s */ -#define IN6P_HIGHPORT INP_HIGHPORT -#define IN6P_LOWPORT INP_LOWPORT -#define IN6P_ANONPORT INP_ANONPORT -#define IN6P_RECVIF INP_RECVIF -#define IN6P_MTUDISC INP_MTUDISC -#define IN6P_FAITH INP_FAITH -#define IN6P_CONTROLOPTS INP_CONTROLOPTS /* - * socket AF version is {newer than,or include} - * actual datagram AF version + * Per-protocol hash of pcbs, hashed by local and foreign + * addresses and port numbers. */ + struct inpcbhead *ipi_hashbase; + u_long ipi_hashmask; + + /* + * Per-protocol hash of pcbs, hashed by only local port number. + */ + struct inpcbporthead *ipi_porthashbase; + u_long ipi_porthashmask; + + /* + * Misc. + */ + lck_attr_t *ipi_lock_attr; + lck_grp_t *ipi_lock_grp; + lck_grp_attr_t *ipi_lock_grp_attr; + +#define INPCBINFO_UPDATE_MSS 0x1 +#define INPCBINFO_HANDLE_LQM_ABORT 0x2 + u_int32_t ipi_flags; +}; +#define INP_PCBHASH(faddr, lport, fport, mask) \ + (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) +#define INP_PCBPORTHASH(lport, mask) \ + (ntohs((lport)) & (mask)) + +#define INP_IS_FLOW_CONTROLLED(_inp_) \ + ((_inp_)->inp_flags & INP_FLOW_CONTROLLED) +#define INP_IS_FLOW_SUSPENDED(_inp_) \ + (((_inp_)->inp_flags & INP_FLOW_SUSPENDED) || \ + ((_inp_)->inp_socket->so_flags & SOF_SUSPENDED)) +#define INP_WAIT_FOR_IF_FEEDBACK(_inp_) \ + (((_inp_)->inp_flags & (INP_FLOW_CONTROLLED | INP_FLOW_SUSPENDED)) != 0) + +#define INP_NO_CELLULAR(_inp) \ + ((_inp)->inp_flags & INP_NO_IFT_CELLULAR) +#define INP_NO_EXPENSIVE(_inp) \ + ((_inp)->inp_flags2 & INP2_NO_IFF_EXPENSIVE) +#define INP_AWDL_UNRESTRICTED(_inp) \ + ((_inp)->inp_flags2 & INP2_AWDL_UNRESTRICTED) +#define INP_INTCOPROC_ALLOWED(_inp) \ + ((_inp)->inp_flags2 & INP2_INTCOPROC_ALLOWED) + +#endif /* BSD_KERNEL_PRIVATE */ + +/* + * Flags for inp_flags. + * + * Some of these are publicly defined for legacy reasons, as they are + * (unfortunately) used by certain applications to determine, at compile + * time, whether or not the OS supports certain features. + */ +#ifdef BSD_KERNEL_PRIVATE +#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 */ +#endif /* BSD_KERNEL_PRIVATE */ + +#define INP_ANONPORT 0x00000040 /* port chosen for user */ + +#ifdef BSD_KERNEL_PRIVATE +#define INP_RECVIF 0x00000080 /* receive incoming interface */ +#define INP_MTUDISC 0x00000100 /* unused */ +#define INP_STRIPHDR 0x00000200 /* strip hdrs in raw_ip (for OT) */ +#define INP_RECV_ANYIF 0x00000400 /* don't restrict inbound iface */ +#define INP_INADDR_ANY 0x00000800 /* local address wasn't specified */ +#define INP_IN6ADDR_ANY INP_INADDR_ANY +#define INP_RECVTTL 0x00001000 /* receive incoming IP TTL */ +#define INP_UDP_NOCKSUM 0x00002000 /* turn off outbound UDP checksum */ +#define INP_BOUND_IF 0x00004000 /* bind socket to an interface */ +#endif /* BSD_KERNEL_PRIVATE */ + +#define IN6P_IPV6_V6ONLY 0x00008000 /* restrict AF_INET6 socket for v6 */ + +#ifdef BSD_KERNEL_PRIVATE +#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 INP_RECVTOS IN6P_TCLASS /* receive incoming IP TOS */ +#define IN6P_AUTOFLOWLABEL 0x00800000 /* attach flowlabel automatically */ +#endif /* BSD_KERNEL_PRIVATE */ + +#define IN6P_BINDV6ONLY 0x01000000 /* do not grab IPv4 traffic */ + +#ifdef BSD_KERNEL_PRIVATE +#define IN6P_RFC2292 0x02000000 /* used RFC2292 API on the socket */ +#define IN6P_MTU 0x04000000 /* receive path MTU */ +#define INP_PKTINFO 0x08000000 /* rcv and snd PKTINFO for IPv4 */ +#define INP_FLOW_SUSPENDED 0x10000000 /* flow suspended */ +#define INP_NO_IFT_CELLULAR 0x20000000 /* do not use cellular interface */ +#define INP_FLOW_CONTROLLED 0x40000000 /* flow controlled */ +#define INP_FC_FEEDBACK 0x80000000 /* got interface flow adv feedback */ + +#define INP_CONTROLOPTS \ + (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|INP_RECVIF|INP_RECVTTL| \ + INP_PKTINFO|IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|IN6P_DSTOPTS| \ + IN6P_RTHDR|IN6P_RTHDRDSTOPTS|IN6P_TCLASS|IN6P_RFC2292|IN6P_MTU) + +#define INP_UNMAPPABLEOPTS \ + (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR| IN6P_TCLASS|IN6P_AUTOFLOWLABEL) + +/* + * Flags for inp_flags2. + * + * Overflowed INP flags; use INP2 prefix to avoid misuse. + */ +#define INP2_TIMEWAIT 0x00000001 /* in TIMEWAIT */ +#define INP2_IN_FCTREE 0x00000002 /* in inp_fc_tree */ +#define INP2_WANT_APP_POLICY 0x00000004 /* necp app policy check is desired */ +#define INP2_NO_IFF_EXPENSIVE 0x00000008 /* do not use expensive interface */ +#define INP2_INHASHLIST 0x00000010 /* pcb is in inp_hash list */ +#define INP2_AWDL_UNRESTRICTED 0x00000020 /* AWDL restricted mode allowed */ +#define INP2_KEEPALIVE_OFFLOAD 0x00000040 /* Enable UDP or TCP keepalive offload */ +#define INP2_INTCOPROC_ALLOWED 0x00000080 /* Allow communication via internal co-processor interfaces */ +#define INP2_CONNECT_IN_PROGRESS 0x00000100 /* A connect call is in progress, so binds are intermediate steps */ + +/* + * Flags passed to in_pcblookup*() functions. + */ #define INPLOOKUP_WILDCARD 1 -#ifdef __APPLE__ -#define INPCB_ALL_OWNERS 0xff -#define INPCB_NO_OWNER 0x0 -#define INPCB_OWNED_BY_X 0x80 -#define INPCB_MAX_IDS 7 -#endif /* __APPLE__ */ #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 -extern int ipport_lowfirstauto; -extern int ipport_lowlastauto; -extern int ipport_firstauto; -extern int ipport_lastauto; -extern int ipport_hifirstauto; -extern int ipport_hilastauto; - -#define INPCB_STATE_INUSE 0x1 /* freshly allocated PCB, it's in use */ -#define INPCB_STATE_CACHED 0x2 /* this pcb is sitting in a a cache */ -#define INPCB_STATE_DEAD 0x3 /* should treat as gone, will be garbage collected and freed */ - -#define WNT_STOPUSING 0xffff /* marked as ready to be garbaged collected, should be treated as not found */ -#define WNT_ACQUIRE 0x1 /* that pcb is being acquired, do not recycle this time */ -#define WNT_RELEASE 0x2 /* release acquired mode, can be garbage collected when wantcnt is null */ - -extern void in_losing(struct inpcb *); -extern void in_rtchange(struct inpcb *, int); -extern int in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *); -extern int in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *); -extern int in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *); -extern void in_pcbdetach(struct inpcb *); -extern void in_pcbdispose (struct inpcb *); -extern void in_pcbdisconnect(struct inpcb *); -extern int in_pcbinshash(struct inpcb *, int); -extern int in_pcbladdr(struct inpcb *, struct sockaddr *, - struct sockaddr_in **); +#define sotoin6pcb(so) sotoinpcb(so) + +struct sysctl_req; + +extern int ipport_lowfirstauto; +extern int ipport_lowlastauto; +extern int ipport_firstauto; +extern int ipport_lastauto; +extern int ipport_hifirstauto; +extern int ipport_hilastauto; + +/* freshly allocated PCB, it's in use */ +#define INPCB_STATE_INUSE 0x1 +/* this pcb is sitting in a a cache */ +#define INPCB_STATE_CACHED 0x2 +/* should treat as gone, will be garbage collected and freed */ +#define INPCB_STATE_DEAD 0x3 + +/* marked as ready to be garbaged collected, should be treated as not found */ +#define WNT_STOPUSING 0xffff +/* that pcb is being acquired, do not recycle this time */ +#define WNT_ACQUIRE 0x1 +/* release acquired mode, can be garbage collected when wantcnt is null */ +#define WNT_RELEASE 0x2 + +extern void in_pcbinit(void); +extern void in_pcbinfo_attach(struct inpcbinfo *); +extern int in_pcbinfo_detach(struct inpcbinfo *); + +/* type of timer to be scheduled by inpcb_gc_sched and inpcb_timer_sched */ +enum { + INPCB_TIMER_LAZY = 0x1, + INPCB_TIMER_FAST, + INPCB_TIMER_NODELAY +}; +extern void inpcb_gc_sched(struct inpcbinfo *, u_int32_t type); +extern void inpcb_timer_sched(struct inpcbinfo *, u_int32_t type); + +extern void in_losing(struct inpcb *); +extern void in_rtchange(struct inpcb *, int); +extern int in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *); +extern int in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *); +extern int in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *, + unsigned int, struct ifnet **); +extern void in_pcbdetach(struct inpcb *); +extern void in_pcbdispose(struct inpcb *); +extern void in_pcbdisconnect(struct inpcb *); +extern int in_pcbinshash(struct inpcb *, int); +extern int in_pcbladdr(struct inpcb *, struct sockaddr *, struct in_addr *, + unsigned int, struct ifnet **, int); extern struct inpcb *in_pcblookup_local(struct inpcbinfo *, struct in_addr, - u_int, int); + u_int, int); extern struct inpcb *in_pcblookup_local_and_cleanup(struct inpcbinfo *, - struct in_addr, u_int, int); + struct in_addr, u_int, int); extern struct inpcb *in_pcblookup_hash(struct inpcbinfo *, struct in_addr, - u_int, struct in_addr, u_int, int, struct ifnet *); -extern void in_pcbnotifyall(struct inpcbinfo *, struct in_addr, int, - void (*)(struct inpcb *, int)); -extern void in_pcbrehash(struct inpcb *); -extern int in_setpeeraddr(struct socket *so, struct sockaddr **nam); -extern int in_setsockaddr(struct socket *so, struct sockaddr **nam); -extern int in_pcb_checkstate(struct inpcb *pcb, int mode, int locked); - -extern void in_pcbremlists(struct inpcb *inp); -extern void inpcb_to_compat(struct inpcb *inp, - struct inpcb_compat *inp_compat); + u_int, struct in_addr, u_int, int, struct ifnet *); +extern int in_pcblookup_hash_exists(struct inpcbinfo *, struct in_addr, + u_int, struct in_addr, u_int, int, uid_t *, gid_t *, struct ifnet *); +extern void in_pcbnotifyall(struct inpcbinfo *, struct in_addr, int, + void (*)(struct inpcb *, int)); +extern void in_pcbrehash(struct inpcb *); +extern int in_getpeeraddr(struct socket *, struct sockaddr **); +extern int in_getsockaddr(struct socket *, struct sockaddr **); +extern int in_getsockaddr_s(struct socket *, struct sockaddr_in *); +extern int in_pcb_checkstate(struct inpcb *, int, int); +extern void in_pcbremlists(struct inpcb *); +extern void inpcb_to_compat(struct inpcb *, struct inpcb_compat *); #if !CONFIG_EMBEDDED -extern void inpcb_to_xinpcb64(struct inpcb *inp, - struct xinpcb64 *xinp); +extern void inpcb_to_xinpcb64(struct inpcb *, struct xinpcb64 *); #endif -extern void inp_route_copyout(struct inpcb *, struct route *); -extern void inp_route_copyin(struct inpcb *, struct route *); -#endif /* KERNEL */ +extern int get_pcblist_n(short, struct sysctl_req *, struct inpcbinfo *); +#define INPCB_GET_PORTS_USED_WILDCARDOK 0x01 +#define INPCB_GET_PORTS_USED_NOWAKEUPOK 0x02 +#define INPCB_GET_PORTS_USED_RECVANYIFONLY 0x04 +#define INPCB_GET_PORTS_USED_EXTBGIDLEONLY 0x08 +#define INPCB_GET_PORTS_USED_ACTIVEONLY 0x10 + +extern void inpcb_get_ports_used(u_int32_t, int, u_int32_t, bitstr_t *, + struct inpcbinfo *); +#define INPCB_OPPORTUNISTIC_THROTTLEON 0x0001 +#define INPCB_OPPORTUNISTIC_SETCMD 0x0002 +extern uint32_t inpcb_count_opportunistic(unsigned int, struct inpcbinfo *, + u_int32_t); +extern uint32_t inpcb_find_anypcb_byaddr(struct ifaddr *, struct inpcbinfo *); +extern void inp_route_copyout(struct inpcb *, struct route *); +extern void inp_route_copyin(struct inpcb *, struct route *); +extern int inp_bindif(struct inpcb *, unsigned int, struct ifnet **); +extern void inp_set_nocellular(struct inpcb *); +extern void inp_clear_nocellular(struct inpcb *); +extern void inp_set_noexpensive(struct inpcb *); +extern void inp_set_awdl_unrestricted(struct inpcb *); +extern boolean_t inp_get_awdl_unrestricted(struct inpcb *); +extern void inp_clear_awdl_unrestricted(struct inpcb *); +extern void inp_set_intcoproc_allowed(struct inpcb *); +extern boolean_t inp_get_intcoproc_allowed(struct inpcb *); +extern void inp_clear_intcoproc_allowed(struct inpcb *); +#if NECP +extern void inp_update_necp_policy(struct inpcb *, struct sockaddr *, struct sockaddr *, u_int); +extern void inp_set_want_app_policy(struct inpcb *); +extern void inp_clear_want_app_policy(struct inpcb *); +#endif /* NECP */ +extern u_int32_t inp_calc_flowhash(struct inpcb *); +extern void inp_reset_fc_state(struct inpcb *); +extern int inp_set_fc_state(struct inpcb *, int advcode); +extern void inp_fc_unthrottle_tcp(struct inpcb *); +extern void inp_flowadv(uint32_t); +extern int inp_flush(struct inpcb *, int); +extern int inp_findinpcb_procinfo(struct inpcbinfo *, uint32_t, struct so_procinfo *); +extern void inp_get_soprocinfo(struct inpcb *, struct so_procinfo *); +extern int inp_update_policy(struct inpcb *); +extern boolean_t inp_restricted_recv(struct inpcb *, struct ifnet *); +extern boolean_t inp_restricted_send(struct inpcb *, struct ifnet *); +extern void inp_incr_sndbytes_total(struct socket *, int); +extern void inp_decr_sndbytes_total(struct socket *, int); +extern void inp_count_sndbytes(struct inpcb *, u_int32_t); +extern void inp_incr_sndbytes_unsent(struct socket *, int32_t); +extern void inp_decr_sndbytes_unsent(struct socket *, int32_t); +extern int32_t inp_get_sndbytes_allunsent(struct socket *, u_int32_t); +extern void inp_decr_sndbytes_allunsent(struct socket *, u_int32_t); +extern void inp_set_activity_bitmap(struct inpcb *inp); +extern void inp_get_activity_bitmap(struct inpcb *inp, activity_bitmap_t *b); +#endif /* BSD_KERNEL_PRIVATE */ +#ifdef KERNEL_PRIVATE +/* exported for PPP */ +extern void inp_clear_INP_INADDR_ANY(struct socket *); #endif /* KERNEL_PRIVATE */ - #endif /* !_NETINET_IN_PCB_H_ */