1 /* $NetBSD: in_pcb.h,v 1.59 2015/05/24 15:43:45 rtr Exp $ */
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60 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
63 #ifndef _NETINET_IN_PCB_H_
64 #define _NETINET_IN_PCB_H_
66 #include <sys/queue.h>
67 #include <netinet/in_pcb_hdr.h>
70 * Common structure pcb for internet protocol implementation.
71 * Here are stored pointers to local and foreign host table
72 * entries, local and foreign socket numbers, and pointers
73 * up (to a socket structure) and down (to a protocol-specific)
77 struct inpcb_hdr inp_head
;
78 #define inp_hash inp_head.inph_hash
79 #define inp_queue inp_head.inph_queue
80 #define inp_af inp_head.inph_af
81 #define inp_ppcb inp_head.inph_ppcb
82 #define inp_state inp_head.inph_state
83 #define inp_portalgo inp_head.inph_portalgo
84 #define inp_socket inp_head.inph_socket
85 #define inp_table inp_head.inph_table
86 #define inp_sp inp_head.inph_sp
87 struct route inp_route
; /* placeholder for routing entry */
88 u_int16_t inp_fport
; /* foreign port */
89 u_int16_t inp_lport
; /* local port */
90 int inp_flags
; /* generic IP/datagram flags */
91 struct ip inp_ip
; /* header prototype; should have more */
92 struct mbuf
*inp_options
; /* IP options */
93 struct ip_moptions
*inp_moptions
; /* IP multicast options */
94 int inp_errormtu
; /* MTU of last xmit status = EMSGSIZE */
95 uint8_t inp_ip_minttl
;
96 bool inp_bindportonsend
;
99 #define inp_faddr inp_ip.ip_dst
100 #define inp_laddr inp_ip.ip_src
102 /* flags in inp_flags: */
103 #define INP_RECVOPTS 0x0001 /* receive incoming IP options */
104 #define INP_RECVRETOPTS 0x0002 /* receive IP options for reply */
105 #define INP_RECVDSTADDR 0x0004 /* receive IP dst address */
106 #define INP_HDRINCL 0x0008 /* user supplies entire IP header */
107 #define INP_HIGHPORT 0x0010 /* (unused; FreeBSD compat) */
108 #define INP_LOWPORT 0x0020 /* user wants "low" port binding */
109 #define INP_ANONPORT 0x0040 /* port chosen for user */
110 #define INP_RECVIF 0x0080 /* receive incoming interface */
111 /* XXX should move to an UDP control block */
112 #define INP_ESPINUDP 0x0100 /* ESP over UDP for NAT-T */
113 #define INP_ESPINUDP_NON_IKE 0x0200 /* ESP over UDP for NAT-T */
114 #define INP_ESPINUDP_ALL (INP_ESPINUDP|INP_ESPINUDP_NON_IKE)
115 #define INP_NOHEADER 0x0400 /* Kernel removes IP header
116 * before feeding a packet
117 * to the raw socket user.
118 * The socket user will
119 * not supply an IP header.
120 * Cancels INP_HDRINCL.
122 #define INP_RECVTTL 0x0800 /* receive incoming IP TTL */
123 #define INP_PKTINFO 0x1000 /* receive dst packet info */
124 #define INP_RECVPKTINFO 0x2000 /* receive dst packet info */
125 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
126 INP_RECVIF|INP_RECVTTL|INP_RECVPKTINFO|\
129 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
132 void in_losing(struct inpcb
*);
133 int in_pcballoc(struct socket
*, void *);
134 int in_pcbbind(void *, struct sockaddr_in
*, struct lwp
*);
135 int in_pcbconnect(void *, struct sockaddr_in
*, struct lwp
*);
136 void in_pcbdetach(void *);
137 void in_pcbdisconnect(void *);
138 void in_pcbinit(struct inpcbtable
*, int, int);
140 in_pcblookup_port(struct inpcbtable
*,
141 struct in_addr
, u_int
, int, struct vestigial_inpcb
*);
143 in_pcblookup_bind(struct inpcbtable
*,
144 struct in_addr
, u_int
);
146 in_pcblookup_connect(struct inpcbtable
*,
147 struct in_addr
, u_int
, struct in_addr
, u_int
,
148 struct vestigial_inpcb
*);
149 int in_pcbnotify(struct inpcbtable
*, struct in_addr
, u_int
,
150 struct in_addr
, u_int
, int, void (*)(struct inpcb
*, int));
151 void in_pcbnotifyall(struct inpcbtable
*, struct in_addr
, int,
152 void (*)(struct inpcb
*, int));
153 void in_pcbpurgeif0(struct inpcbtable
*, struct ifnet
*);
154 void in_pcbpurgeif(struct inpcbtable
*, struct ifnet
*);
155 void in_purgeifmcast(struct ip_moptions
*, struct ifnet
*);
156 void in_pcbstate(struct inpcb
*, int);
157 void in_rtchange(struct inpcb
*, int);
158 void in_setpeeraddr(struct inpcb
*, struct sockaddr_in
*);
159 void in_setsockaddr(struct inpcb
*, struct sockaddr_in
*);
161 in_pcbrtentry(struct inpcb
*);
164 #endif /* !_NETINET_IN_PCB_H_ */