Commit | Line | Data |
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bae4854b BJ |
1 | /* in_pcb.h 4.1 81/11/20 */ |
2 | ||
3 | /* | |
4 | * Common structure pcb for internet protocol implementation. | |
5 | * Here are stored pointers to local and foreign host table | |
6 | * entries, local and foreign socket numbers, and pointers | |
7 | * up (to a socket structure) and down (to a protocol-specific) | |
8 | * control block. | |
9 | */ | |
10 | struct inpcb { | |
11 | struct inpcb *inp_next,*inp_prev; | |
12 | /* pointers to other pcb's */ | |
13 | struct in_addr inp_faddr; /* foreign host table entry */ | |
14 | u_short inp_fport; /* foreign port */ | |
15 | struct in_addr inp_laddr; /* local host table entry */ | |
16 | u_short inp_lport; /* local port */ | |
17 | struct socket *inp_socket; /* back pointer to socket */ | |
18 | caddr_t inp_ppcb; /* pointer to per-protocol pcb */ | |
19 | }; | |
20 | ||
21 | #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) | |
22 | ||
23 | #ifdef KERNEL | |
24 | struct inpcb *in_pcblookup(); | |
25 | #endif |