1 | /* $NetBSD: if_agrvar_impl.h,v 1.10 2010/05/26 23:46:44 dyoung Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c)2005 YAMAMOTO Takashi, |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 | * SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef _NET_AGR_IF_AGRVAR_IMPL_H_ |
30 | #define _NET_AGR_IF_AGRVAR_IMPL_H_ |
31 | |
32 | /* |
33 | * implementaion details for agr(4) driver. (contrast to if_agrvar.h) |
34 | */ |
35 | |
36 | #include <sys/mutex.h> |
37 | #include <sys/queue.h> |
38 | |
39 | struct agr_port; |
40 | struct agr_softc; |
41 | |
42 | struct agr_port { |
43 | struct ifnet *port_agrifp; |
44 | struct ifnet *port_ifp; |
45 | TAILQ_ENTRY(agr_port) port_q; |
46 | int (*port_ioctl)(struct ifnet *, u_long, void *); |
47 | void *port_iftprivate; |
48 | int port_flags; |
49 | u_int port_media; |
50 | char port_origlladdr[0]; |
51 | }; |
52 | #define AGRPORT_COLLECTING 0x00000001 |
53 | #define AGRPORT_DISTRIBUTING 0x00000002 |
54 | #define AGRPORT_PROMISC 0x00000004 |
55 | #define AGRPORT_LADDRCHANGED 0x00000008 |
56 | #define AGRPORT_ATTACHED 0x00000010 |
57 | #define AGRPORT_LARVAL 0x00000020 |
58 | #define AGRPORT_DETACHING 0x00000040 |
59 | |
60 | struct agr_iftype_ops { |
61 | |
62 | void (*iftop_tick)(struct agr_softc *); |
63 | void (*iftop_porttick)(struct agr_softc *, struct agr_port *); |
64 | void (*iftop_portstate)(struct agr_port *); |
65 | |
66 | /* |
67 | * iftop_ctor: |
68 | * - inherit setting (eg. L1 address) from the first port. |
69 | * - initialize if_output, if_input, if_dlt, etc. |
70 | * (in the case of IFT_ETHER, ether_ifattach. |
71 | */ |
72 | |
73 | int (*iftop_ctor)(struct agr_softc *, struct ifnet *); |
74 | |
75 | void (*iftop_dtor)(struct agr_softc *); |
76 | |
77 | /* |
78 | * iftop_portinit: |
79 | * propagate setting to a newly added port. |
80 | */ |
81 | |
82 | int (*iftop_portinit)(struct agr_softc *, struct agr_port *); |
83 | |
84 | /* |
85 | * iftop_portfini: |
86 | * restore setting of a port being removed. |
87 | */ |
88 | int (*iftop_portfini)(struct agr_softc *, struct agr_port *); |
89 | |
90 | struct agr_port *(*iftop_select_tx_port)(struct agr_softc *, |
91 | struct mbuf *); |
92 | uint32_t (*iftop_hashmbuf)(struct agr_softc *, struct mbuf *); |
93 | |
94 | int (*iftop_configmulti_port)(struct agr_softc *, struct agr_port *, |
95 | bool); |
96 | int (*iftop_configmulti_ifreq)(struct agr_softc *, struct ifreq *, |
97 | bool); |
98 | }; |
99 | |
100 | struct agr_ifreq { |
101 | char ifr_name[IFNAMSIZ]; |
102 | struct sockaddr_storage ifr_ss; |
103 | }; |
104 | |
105 | struct agr_softc { |
106 | kmutex_t sc_entry_mtx; |
107 | kmutex_t sc_lock; |
108 | kcondvar_t sc_ports_cv; |
109 | kcondvar_t sc_insc_cv; |
110 | volatile int sc_noentry; |
111 | volatile int sc_insc; |
112 | volatile bool sc_wrports; |
113 | volatile int sc_rdports; |
114 | volatile int sc_paused; |
115 | struct callout sc_callout; |
116 | int sc_nports; |
117 | TAILQ_HEAD(, agr_port) sc_ports; |
118 | const struct agr_iftype_ops *sc_iftop; |
119 | uint32_t sc_rr_counter; /* distributor algorithm specific */ |
120 | void *sc_iftprivate; |
121 | int sc_nvlans; /* number of vlans attached */ |
122 | struct ifnet sc_if; /* should be the last. see agr_alloc_softc(). */ |
123 | }; |
124 | |
125 | #define AGR_SC_FROM_PORT(port) \ |
126 | ((struct agr_softc *)(port)->port_agrifp->if_softc) |
127 | |
128 | #define AGR_LOCK(sc) agr_lock(sc) |
129 | #define AGR_UNLOCK(sc) agr_unlock(sc) |
130 | #define AGR_ASSERT_LOCKED(sc) KASSERT(mutex_owned(&(sc)->sc_lock)) |
131 | |
132 | void agr_lock(struct agr_softc *); |
133 | void agr_unlock(struct agr_softc *); |
134 | |
135 | int agrport_ioctl(struct agr_port *, u_long, void *); |
136 | |
137 | struct agr_softc *agr_alloc_softc(void); |
138 | void agr_free_softc(struct agr_softc *); |
139 | |
140 | int agr_xmit_frame(struct ifnet *, struct mbuf *); /* XXX */ |
141 | |
142 | #define AGR_ROUNDROBIN(sc) (((sc)->sc_if.if_flags & IFF_LINK0) != 0) |
143 | #define AGR_STATIC(sc) (((sc)->sc_if.if_flags & IFF_LINK1) != 0) |
144 | |
145 | void agrtimer_init(struct agr_softc *); |
146 | void agrtimer_destroy(struct agr_softc *); |
147 | void agrtimer_start(struct agr_softc *); |
148 | void agrtimer_stop(struct agr_softc *); |
149 | |
150 | void agrport_monitor(struct agr_port *); |
151 | |
152 | #endif /* !_NET_AGR_IF_AGRVAR_IMPL_H_ */ |
153 | |