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33 * @(#)netisr.h 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: src/sys/net/netisr.h,v 1.21.2.5 2002/02/09 23:02:39 luigi Exp $
35 * $DragonFly: src/sys/net/netisr.h,v 1.14 2004/04/10 09:35:34 hsu Exp $
38 #ifndef _NET_NETISR_H_
39 #define _NET_NETISR_H_
41 #include <sys/msgport.h>
44 * The networking code runs off software interrupts.
46 * You can switch into the network by doing splnet() and return by splx().
47 * The software interrupt level for the network is higher than the software
48 * level for the clock (so you can enter the network in routines called
53 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
54 * word which is used to de-multiplex a single software
55 * interrupt used for scheduling the network code to calls
56 * on the lowest level routine of each protocol.
58 #define NETISR_RESERVED0 0 /* cannot be used */
59 #define NETISR_POLL 1 /* polling callback */
60 #define NETISR_IP 2 /* same as AF_INET */
61 #define NETISR_NS 6 /* same as AF_NS */
62 #define NETISR_AARP 15 /* Appletalk ARP */
63 #define NETISR_ATALK2 16 /* Appletalk phase 2 */
64 #define NETISR_ATALK1 17 /* Appletalk phase 1 */
65 #define NETISR_ARP 18 /* same as AF_LINK */
66 #define NETISR_IPX 23 /* same as AF_IPX */
67 #define NETISR_USB 25 /* USB soft interrupt */
68 #define NETISR_PPP 27 /* PPP soft interrupt */
69 #define NETISR_IPV6 28 /* same as AF_INET6 */
70 #define NETISR_NATM 29 /* same as AF_NATM */
71 #define NETISR_NETGRAPH 30 /* same as AF_NETGRAPH */
72 #define NETISR_POLLMORE 31 /* check if we need more polling */
76 TAILQ_HEAD(notifymsglist, netmsg_so_notify);
80 #include <sys/protosw.h>
84 typedef void (*netisr_fn_t)(struct netmsg *);
85 typedef boolean_t (*msg_predicate_fn_t)(struct netmsg *);
88 * Base class. All net messages must start with the same fields.
91 struct lwkt_msg nm_lmsg;
92 netisr_fn_t nm_handler;
95 struct netmsg_packet {
96 struct lwkt_msg nm_lmsg;
97 netisr_fn_t nm_handler;
98 struct mbuf *nm_packet;
101 struct netmsg_pr_ctloutput {
102 struct lwkt_msg nm_lmsg;
103 netisr_fn_t nm_handler;
104 int (*nm_prfn) (struct socket *, struct sockopt *);
105 struct socket *nm_so;
106 struct sockopt *nm_sopt;
109 struct netmsg_pr_timeout {
110 struct lwkt_msg nm_lmsg;
111 netisr_fn_t nm_handler;
112 void (*nm_prfn) (void);
115 struct netmsg_so_notify {
116 struct lwkt_msg nm_lmsg;
117 netisr_fn_t nm_handler;
118 msg_predicate_fn_t nm_predicate;
119 struct socket *nm_so;
120 int nm_etype; /* receive or send event */
121 TAILQ_ENTRY(netmsg_so_notify) nm_list;
124 #define NM_REVENT 0x1 /* event on receive buffer */
125 #define NM_SEVENT 0x2 /* event on send buffer */
128 * for dispatching pr_ functions,
129 * until they can be converted to message-passing
131 void netmsg_pr_dispatcher(struct netmsg *);
133 #define CMD_NETMSG_NEWPKT (MSG_CMD_NETMSG | 0x0001)
134 #define CMD_NETMSG_POLL (MSG_CMD_NETMSG | 0x0002)
136 #define CMD_NETMSG_PRU_ABORT (MSG_CMD_NETMSG | 0x0003)
137 #define CMD_NETMSG_PRU_ACCEPT (MSG_CMD_NETMSG | 0x0004)
138 #define CMD_NETMSG_PRU_ATTACH (MSG_CMD_NETMSG | 0x0005)
139 #define CMD_NETMSG_PRU_BIND (MSG_CMD_NETMSG | 0x0006)
140 #define CMD_NETMSG_PRU_CONNECT (MSG_CMD_NETMSG | 0x0007)
141 #define CMD_NETMSG_PRU_CONNECT2 (MSG_CMD_NETMSG | 0x0008)
142 #define CMD_NETMSG_PRU_CONTROL (MSG_CMD_NETMSG | 0x0009)
143 #define CMD_NETMSG_PRU_DETACH (MSG_CMD_NETMSG | 0x000a)
144 #define CMD_NETMSG_PRU_DISCONNECT (MSG_CMD_NETMSG | 0x000b)
145 #define CMD_NETMSG_PRU_LISTEN (MSG_CMD_NETMSG | 0x000c)
146 #define CMD_NETMSG_PRU_PEERADDR (MSG_CMD_NETMSG | 0x000d)
147 #define CMD_NETMSG_PRU_RCVD (MSG_CMD_NETMSG | 0x000e)
148 #define CMD_NETMSG_PRU_RCVOOB (MSG_CMD_NETMSG | 0x000f)
149 #define CMD_NETMSG_PRU_SEND (MSG_CMD_NETMSG | 0x0010)
150 #define CMD_NETMSG_PRU_SENSE (MSG_CMD_NETMSG | 0x0011)
151 #define CMD_NETMSG_PRU_SHUTDOWN (MSG_CMD_NETMSG | 0x0012)
152 #define CMD_NETMSG_PRU_SOCKADDR (MSG_CMD_NETMSG | 0x0013)
153 #define CMD_NETMSG_PRU_SOSEND (MSG_CMD_NETMSG | 0x0014)
154 #define CMD_NETMSG_PRU_SORECEIVE (MSG_CMD_NETMSG | 0x0015)
155 #define CMD_NETMSG_PRU_SOPOLL (MSG_CMD_NETMSG | 0x0016)
157 #define CMD_NETMSG_PR_CTLOUTPUT (MSG_CMD_NETMSG | 0x0017)
158 #define CMD_NETMSG_PR_TIMEOUT (MSG_CMD_NETMSG | 0x0018)
160 #define CMD_NETMSG_ONCPU (MSG_CMD_NETMSG | 0x0019)
161 #define CMD_NETMSG_NOTIFY (MSG_CMD_NETMSG | 0x0020)
163 void msg_notify_handler(struct netmsg *);
165 typedef lwkt_port_t (*lwkt_portfn_t)(struct mbuf *);
168 lwkt_port ni_port; /* must be first */
169 lwkt_portfn_t ni_mport;
170 netisr_fn_t ni_handler;
173 extern lwkt_port netisr_afree_rport;
175 lwkt_port_t cpu0_portfn(struct mbuf *m);
176 void netisr_dispatch(int, struct mbuf *);
177 int netisr_queue(int, struct mbuf *);
178 void netisr_register(int, lwkt_portfn_t, netisr_fn_t);
179 int netisr_unregister(int);
180 void netmsg_service_loop(void *arg);
181 void schednetisr(int);
185 #endif /* _NET_NETISR_H_ */