1/*
2 * Copyright (c) 1990,1994 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
4 *
| 1/*
2 * Copyright (c) 1990,1994 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
4 *
|
5 * $FreeBSD: head/sys/netatalk/ddp_input.c 101937 2002-08-15 18:58:44Z rwatson $
| 5 * $FreeBSD: head/sys/netatalk/ddp_input.c 111888 2003-03-04 23:19:55Z jlemon $
|
6 */
7
8#include "opt_mac.h"
9
10#include <sys/param.h>
11#include <sys/kernel.h>
12#include <sys/lock.h>
13#include <sys/mac.h>
14#include <sys/mbuf.h>
15#include <sys/signalvar.h>
16#include <sys/socket.h>
17#include <sys/socketvar.h>
18#include <sys/sx.h>
19#include <sys/systm.h>
20#include <net/if.h>
| 6 */
7
8#include "opt_mac.h"
9
10#include <sys/param.h>
11#include <sys/kernel.h>
12#include <sys/lock.h>
13#include <sys/mac.h>
14#include <sys/mbuf.h>
15#include <sys/signalvar.h>
16#include <sys/socket.h>
17#include <sys/socketvar.h>
18#include <sys/sx.h>
19#include <sys/systm.h>
20#include <net/if.h>
|
21#include <net/intrq.h>
22#include <net/netisr.h>
| |
23#include <net/route.h>
24
25#include <netatalk/at.h>
26#include <netatalk/at_var.h>
27#include <netatalk/ddp.h>
28#include <netatalk/ddp_var.h>
29#include <netatalk/at_extern.h>
30
31static volatile int ddp_forward = 1;
32static volatile int ddp_firewall = 0;
33static struct ddpstat ddpstat;
34static struct route forwro;
35
36static void ddp_input(struct mbuf *, struct ifnet *, struct elaphdr *, int);
37
38/*
39 * Could probably merge these two code segments a little better...
40 */
| 21#include <net/route.h>
22
23#include <netatalk/at.h>
24#include <netatalk/at_var.h>
25#include <netatalk/ddp.h>
26#include <netatalk/ddp_var.h>
27#include <netatalk/at_extern.h>
28
29static volatile int ddp_forward = 1;
30static volatile int ddp_firewall = 0;
31static struct ddpstat ddpstat;
32static struct route forwro;
33
34static void ddp_input(struct mbuf *, struct ifnet *, struct elaphdr *, int);
35
36/*
37 * Could probably merge these two code segments a little better...
38 */
|
41static void
42atintr( void )
| 39void
40at2intr(struct mbuf *m)
|
43{
| 41{
|
44 struct elaphdr *elhp, elh;
45 struct ifnet *ifp;
46 struct mbuf *m;
47 int s;
| |
48
| 42
|
49 /*
50 * First pull off all the phase 2 packets.
51 */
52 for (;;) {
53 s = splimp();
| 43 /*
44 * Phase 2 packet handling
45 */
46 ddp_input(m, m->m_pkthdr.rcvif, NULL, 2);
47 return;
48}
|
54
| 49
|
55 IF_DEQUEUE( &atintrq2, m );
| 50void
51at1intr(struct mbuf *m)
52{
53 struct elaphdr *elhp, elh;
|
56
| 54
|
57 splx( s );
58
59 if ( m == 0 ) { /* no more queued packets */
60 break;
| 55 /*
56 * Phase 1 packet handling
57 */
58 if (m->m_len < SZ_ELAPHDR && ((m = m_pullup(m, SZ_ELAPHDR)) == 0)) {
59 ddpstat.ddps_tooshort++;
60 return;
|
61 }
62
| 61 }
62
|
63 ifp = m->m_pkthdr.rcvif;
64 ddp_input( m, ifp, (struct elaphdr *)NULL, 2 );
65 }
66
67 /*
68 * Then pull off all the phase 1 packets.
69 */
70 for (;;) {
71 s = splimp();
72
73 IF_DEQUEUE( &atintrq1, m );
74
75 splx( s );
76
77 if ( m == 0 ) { /* no more queued packets */
78 break;
79 }
80
81 ifp = m->m_pkthdr.rcvif;
82
83 if ( m->m_len < SZ_ELAPHDR &&
84 (( m = m_pullup( m, SZ_ELAPHDR )) == 0 )) {
85 ddpstat.ddps_tooshort++;
86 continue;
87 }
88
| |
89 /*
| 63 /*
|
90 * this seems a little dubios, but I don't know phase 1 so leave it.
| 64 * This seems a little dubious, but I don't know phase 1 so leave it.
|
91 */
| 65 */
|
92 elhp = mtod( m, struct elaphdr *);
93 m_adj( m, SZ_ELAPHDR );
| 66 elhp = mtod(m, struct elaphdr *);
67 m_adj(m, SZ_ELAPHDR);
|
94
| 68
|
95 if ( elhp->el_type == ELAP_DDPEXTEND ) {
96 ddp_input( m, ifp, (struct elaphdr *)NULL, 1 );
| 69 if (elhp->el_type == ELAP_DDPEXTEND) {
70 ddp_input(m, m->m_pkthdr.rcvif, NULL, 1);
|
97 } else {
| 71 } else {
|
98 bcopy((caddr_t)elhp, (caddr_t)&elh, SZ_ELAPHDR );
99 ddp_input( m, ifp, &elh, 1 );
| 72 bcopy((caddr_t)elhp, (caddr_t)&elh, SZ_ELAPHDR);
73 ddp_input(m, m->m_pkthdr.rcvif, &elh, 1);
|
100 }
| 74 }
|
101 }
102 return;
| 75 return;
|
103}
104
105static void
| 76}
77
78static void
|
106netisr_atalk_setup(void *dummy __unused)
107{
108
109 register_netisr(NETISR_ATALK, atintr);
110}
111SYSINIT(atalk_setup, SI_SUB_CPU, SI_ORDER_ANY, netisr_atalk_setup, NULL);
112
113static void
| |
114ddp_input( m, ifp, elh, phase )
115 struct mbuf *m;
116 struct ifnet *ifp;
117 struct elaphdr *elh;
118 int phase;
119{
120 struct sockaddr_at from, to;
121 struct ddpshdr *dsh, ddps;
--- 364 unchanged lines hidden --- | 79ddp_input( m, ifp, elh, phase )
80 struct mbuf *m;
81 struct ifnet *ifp;
82 struct elaphdr *elh;
83 int phase;
84{
85 struct sockaddr_at from, to;
86 struct ddpshdr *dsh, ddps;
--- 364 unchanged lines hidden --- |