Commit | Line | Data |
---|---|---|
66d6c637 JH |
1 | /* |
2 | * Copyright (c) 2004 Jeffrey M. Hsu. All rights reserved. | |
3 | * Copyright (c) 2004 The DragonFly Project. All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to The DragonFly Project | |
6 | * by Jeffrey M. Hsu. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. Neither the name of The DragonFly Project nor the names of its | |
17 | * contributors may be used to endorse or promote products derived | |
18 | * from this software without specific, prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
24 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
25 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
26 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
27 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
28 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
29 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
30 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
984263bc MD |
34 | /* |
35 | * Copyright (c) 1980, 1986, 1989, 1993 | |
36 | * The Regents of the University of California. All rights reserved. | |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * 1. Redistributions of source code must retain the above copyright | |
42 | * notice, this list of conditions and the following disclaimer. | |
43 | * 2. Redistributions in binary form must reproduce the above copyright | |
44 | * notice, this list of conditions and the following disclaimer in the | |
45 | * documentation and/or other materials provided with the distribution. | |
46 | * 3. All advertising materials mentioning features or use of this software | |
47 | * must display the following acknowledgement: | |
48 | * This product includes software developed by the University of | |
49 | * California, Berkeley and its contributors. | |
50 | * 4. Neither the name of the University nor the names of its contributors | |
51 | * may be used to endorse or promote products derived from this software | |
52 | * without specific prior written permission. | |
53 | * | |
54 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
55 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
56 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
57 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
58 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
59 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
60 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
61 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
62 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
63 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
64 | * SUCH DAMAGE. | |
65 | * | |
66 | * @(#)netisr.h 8.1 (Berkeley) 6/10/93 | |
67 | * $FreeBSD: src/sys/net/netisr.h,v 1.21.2.5 2002/02/09 23:02:39 luigi Exp $ | |
e3873585 | 68 | * $DragonFly: src/sys/net/netisr.h,v 1.38 2008/10/27 02:56:30 sephe Exp $ |
984263bc MD |
69 | */ |
70 | ||
71 | #ifndef _NET_NETISR_H_ | |
72 | #define _NET_NETISR_H_ | |
73 | ||
74 | /* | |
75 | * The networking code runs off software interrupts. | |
76 | * | |
77 | * You can switch into the network by doing splnet() and return by splx(). | |
78 | * The software interrupt level for the network is higher than the software | |
79 | * level for the clock (so you can enter the network in routines called | |
80 | * at timeout time). | |
81 | */ | |
82 | ||
83 | /* | |
84 | * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status | |
85 | * word which is used to de-multiplex a single software | |
86 | * interrupt used for scheduling the network code to calls | |
87 | * on the lowest level routine of each protocol. | |
88 | */ | |
35746821 | 89 | #define NETISR_RESERVED0 0 /* cannot be used */ |
984263bc MD |
90 | #define NETISR_IP 2 /* same as AF_INET */ |
91 | #define NETISR_NS 6 /* same as AF_NS */ | |
8bde602d JH |
92 | #define NETISR_AARP 15 /* Appletalk ARP */ |
93 | #define NETISR_ATALK2 16 /* Appletalk phase 2 */ | |
94 | #define NETISR_ATALK1 17 /* Appletalk phase 1 */ | |
984263bc | 95 | #define NETISR_ARP 18 /* same as AF_LINK */ |
9b42cabe | 96 | #define NETISR_MPLS 21 /* MPLS */ |
984263bc | 97 | #define NETISR_IPX 23 /* same as AF_IPX */ |
8bde602d | 98 | #define NETISR_USB 25 /* USB soft interrupt */ |
984263bc MD |
99 | #define NETISR_PPP 27 /* PPP soft interrupt */ |
100 | #define NETISR_IPV6 28 /* same as AF_INET6 */ | |
101 | #define NETISR_NATM 29 /* same as AF_NATM */ | |
102 | #define NETISR_NETGRAPH 30 /* same as AF_NETGRAPH */ | |
0a9108eb | 103 | #define NETISR_BLUETOOTH 31 |
984263bc | 104 | |
8bde602d | 105 | #define NETISR_MAX 32 |
ef0fdad1 | 106 | |
03d6a592 | 107 | #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) |
984263bc | 108 | |
03d6a592 MD |
109 | #ifndef _SYS_TYPES_H_ |
110 | #include <sys/types.h> | |
111 | #endif | |
112 | #ifndef _SYS_QUEUE_H_ | |
113 | #include <sys/queue.h> | |
114 | #endif | |
115 | #ifndef _SYS_PROTOSW_H_ | |
9eeaa8a9 | 116 | #include <sys/protosw.h> |
03d6a592 MD |
117 | #endif |
118 | #ifndef _SYS_MSGPORT_H_ | |
119 | #include <sys/msgport.h> | |
120 | #endif | |
4599cf19 MD |
121 | #ifndef _NET_NETMSG_H_ |
122 | #include <net/netmsg.h> | |
123 | #endif | |
03d6a592 | 124 | |
03d6a592 MD |
125 | #endif |
126 | ||
127 | #ifdef _KERNEL | |
128 | ||
4599cf19 MD |
129 | void netmsg_so_notify(netmsg_t); |
130 | void netmsg_so_notify_abort(netmsg_t); | |
131 | void netmsg_so_notify_doabort(lwkt_msg_t); | |
0ddb6032 | 132 | |
03d6a592 MD |
133 | #endif |
134 | ||
135 | #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) | |
136 | ||
c3c96e44 MD |
137 | /* |
138 | * Temporary pktinfo structure passed directly from the driver to | |
139 | * ether_input_chain(), allows us to bypass numerous checks. | |
140 | */ | |
f92bfd8c SZ |
141 | struct pktinfo { |
142 | int pi_netisr; /* netisr index, e.g. NETISR_IP */ | |
143 | uint32_t pi_flags; /* PKTINFO_FLAG_ */ | |
144 | int pi_l3proto; /* layer3 protocol number */ | |
f92bfd8c SZ |
145 | }; |
146 | ||
c3c96e44 | 147 | #define PKTINFO_FLAG_FRAG 0x1 |
8bde602d | 148 | |
c3c96e44 MD |
149 | /* |
150 | * NETISR_xxx registrations | |
151 | */ | |
8bde602d | 152 | struct netisr { |
c3c96e44 | 153 | netisr_fn_t ni_handler; /* packet handler function */ |
e6f77b88 | 154 | netisr_hashck_t ni_hashck; /* hash check function */ |
c3c96e44 | 155 | netisr_cpufn_t ni_cpufn; /* characterize pkt return cpu */ |
002c1265 | 156 | struct netmsg_base ni_netmsg; /* for sched_netisr() (no-data) */ |
8bde602d JH |
157 | }; |
158 | ||
03d6a592 MD |
159 | #endif |
160 | ||
161 | #ifdef _KERNEL | |
162 | ||
92db3805 SZ |
163 | #define NETMSG_SERVICE_ADAPTIVE 1 |
164 | #define NETMSG_SERVICE_MPSAFE 2 | |
165 | ||
1630efc5 | 166 | extern lwkt_port netisr_adone_rport; |
3f48f9c5 | 167 | extern lwkt_port netisr_afree_rport; |
c3d495a1 | 168 | extern lwkt_port netisr_afree_free_so_rport; |
ecd27a4c | 169 | extern lwkt_port netisr_apanic_rport; |
002c1265 | 170 | extern lwkt_port netisr_sync_port; |
3f48f9c5 | 171 | |
ecdefdda | 172 | lwkt_port_t cpu_portfn(int cpu); |
c244d613 | 173 | lwkt_port_t cur_netport(void); |
f92bfd8c | 174 | |
c3c96e44 | 175 | void netisr_register(int, netisr_fn_t, netisr_cpufn_t); |
e6f77b88 | 176 | void netisr_register_hashcheck(int, netisr_hashck_t); |
c3c96e44 MD |
177 | void netisr_register_rollup(netisr_ru_t ru_func); |
178 | ||
179 | void netisr_characterize(int num, struct mbuf **mp, int hoff); | |
e6f77b88 SZ |
180 | void netisr_hashcheck(int num, struct mbuf *m, |
181 | const struct pktinfo *pi); | |
bf82f9b7 | 182 | int netisr_queue(int, struct mbuf *); |
f92bfd8c | 183 | |
a91f9815 SZ |
184 | struct netisr_barrier *netisr_barrier_create(void); |
185 | void netisr_barrier_set(struct netisr_barrier *); | |
186 | void netisr_barrier_rem(struct netisr_barrier *); | |
187 | ||
5c703385 | 188 | void netmsg_service_port_init(lwkt_port_t); |
5c703385 | 189 | void netmsg_service_sync(void); |
bf82f9b7 | 190 | void schednetisr(int); |
984263bc | 191 | |
c244d613 SZ |
192 | #define curnetport cur_netport() |
193 | ||
03d6a592 | 194 | #endif /* _KERNEL */ |
984263bc | 195 | |
bf82f9b7 | 196 | #endif /* _NET_NETISR_H_ */ |