| @@ -1,1565 +1,1566 @@ | | | @@ -1,1565 +1,1566 @@ |
1 | /* $NetBSD: usbnet.c,v 1.23 2019/08/23 04:29:28 mrg Exp $ */ | | 1 | /* $NetBSD: usbnet.c,v 1.24 2019/08/28 06:07:21 mrg Exp $ */ |
2 | | | 2 | |
3 | /* | | 3 | /* |
4 | * Copyright (c) 2019 Matthew R. Green | | 4 | * Copyright (c) 2019 Matthew R. Green |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
9 | * are met: | | 9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. The name of the author may not be used to endorse or promote products | | 15 | * 3. The name of the author may not be used to endorse or promote products |
16 | * derived from this software without specific prior written permission. | | 16 | * derived from this software without specific prior written permission. |
17 | * | | 17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | | 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | | 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | | 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | | 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | | 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
23 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | | 23 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | | 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
25 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | | 25 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
28 | * SUCH DAMAGE. | | 28 | * SUCH DAMAGE. |
29 | */ | | 29 | */ |
30 | | | 30 | |
31 | /* | | 31 | /* |
32 | * Common code shared between USB network drivers. | | 32 | * Common code shared between USB network drivers. |
33 | */ | | 33 | */ |
34 | | | 34 | |
35 | #include <sys/cdefs.h> | | 35 | #include <sys/cdefs.h> |
36 | __KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.23 2019/08/23 04:29:28 mrg Exp $"); | | 36 | __KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.24 2019/08/28 06:07:21 mrg Exp $"); |
37 | | | 37 | |
38 | #include <sys/param.h> | | 38 | #include <sys/param.h> |
39 | #include <sys/kernel.h> | | 39 | #include <sys/kernel.h> |
40 | #include <sys/kmem.h> | | 40 | #include <sys/kmem.h> |
41 | #include <sys/module.h> | | 41 | #include <sys/module.h> |
42 | #include <sys/atomic.h> | | 42 | #include <sys/atomic.h> |
43 | | | 43 | |
44 | #include <dev/usb/usbnet.h> | | 44 | #include <dev/usb/usbnet.h> |
45 | #include <dev/usb/usbhist.h> | | 45 | #include <dev/usb/usbhist.h> |
46 | | | 46 | |
47 | struct usbnet_cdata { | | 47 | struct usbnet_cdata { |
48 | struct usbnet_chain *uncd_tx_chain; | | 48 | struct usbnet_chain *uncd_tx_chain; |
49 | struct usbnet_chain *uncd_rx_chain; | | 49 | struct usbnet_chain *uncd_rx_chain; |
50 | | | 50 | |
51 | int uncd_tx_prod; | | 51 | int uncd_tx_prod; |
52 | int uncd_tx_cnt; | | 52 | int uncd_tx_cnt; |
53 | }; | | 53 | }; |
54 | | | 54 | |
55 | struct usbnet_private { | | 55 | struct usbnet_private { |
56 | /* | | 56 | /* |
57 | * - unp_lock protects most of the structure, and the public one | | 57 | * - unp_lock protects most of the structure, and the public one |
58 | * - unp_miilock must be held to access this device's MII bus | | 58 | * - unp_miilock must be held to access this device's MII bus |
59 | * - unp_rxlock protects the rx path and its data | | 59 | * - unp_rxlock protects the rx path and its data |
60 | * - unp_txlock protects the tx path and its data | | 60 | * - unp_txlock protects the tx path and its data |
61 | * - unp_detachcv handles detach vs open references | | 61 | * - unp_detachcv handles detach vs open references |
62 | */ | | 62 | */ |
63 | kmutex_t unp_lock; | | 63 | kmutex_t unp_lock; |
64 | kmutex_t unp_miilock; | | 64 | kmutex_t unp_miilock; |
65 | kmutex_t unp_rxlock; | | 65 | kmutex_t unp_rxlock; |
66 | kmutex_t unp_txlock; | | 66 | kmutex_t unp_txlock; |
67 | kcondvar_t unp_detachcv; | | 67 | kcondvar_t unp_detachcv; |
68 | | | 68 | |
69 | struct usbnet_cdata unp_cdata; | | 69 | struct usbnet_cdata unp_cdata; |
70 | | | 70 | |
71 | struct ethercom unp_ec; | | 71 | struct ethercom unp_ec; |
72 | struct mii_data unp_mii; | | 72 | struct mii_data unp_mii; |
73 | struct usb_task unp_ticktask; | | 73 | struct usb_task unp_ticktask; |
74 | struct callout unp_stat_ch; | | 74 | struct callout unp_stat_ch; |
75 | struct usbd_pipe *unp_ep[USBNET_ENDPT_MAX]; | | 75 | struct usbd_pipe *unp_ep[USBNET_ENDPT_MAX]; |
76 | | | 76 | |
77 | bool unp_dying; | | 77 | bool unp_dying; |
78 | bool unp_stopping; | | 78 | bool unp_stopping; |
79 | bool unp_attached; | | 79 | bool unp_attached; |
80 | bool unp_link; | | 80 | bool unp_link; |
81 | | | 81 | |
82 | int unp_refcnt; | | 82 | int unp_refcnt; |
83 | int unp_timer; | | 83 | int unp_timer; |
84 | int unp_if_flags; | | 84 | int unp_if_flags; |
85 | unsigned unp_number; | | 85 | unsigned unp_number; |
86 | | | 86 | |
87 | krndsource_t unp_rndsrc; | | 87 | krndsource_t unp_rndsrc; |
88 | | | 88 | |
89 | struct timeval unp_rx_notice; | | 89 | struct timeval unp_rx_notice; |
90 | struct timeval unp_tx_notice; | | 90 | struct timeval unp_tx_notice; |
91 | struct timeval unp_intr_notice; | | 91 | struct timeval unp_intr_notice; |
92 | }; | | 92 | }; |
93 | | | 93 | |
94 | #define un_cdata(un) (&(un)->un_pri->unp_cdata) | | 94 | #define un_cdata(un) (&(un)->un_pri->unp_cdata) |
95 | | | 95 | |
96 | volatile unsigned usbnet_number; | | 96 | volatile unsigned usbnet_number; |
97 | | | 97 | |
98 | static int usbnet_modcmd(modcmd_t, void *); | | 98 | static int usbnet_modcmd(modcmd_t, void *); |
99 | | | 99 | |
100 | #ifdef USB_DEBUG | | 100 | #ifdef USB_DEBUG |
101 | #ifndef USBNET_DEBUG | | 101 | #ifndef USBNET_DEBUG |
102 | #define usbnetdebug 0 | | 102 | #define usbnetdebug 0 |
103 | #else | | 103 | #else |
104 | static int usbnetdebug = 1; | | 104 | static int usbnetdebug = 1; |
105 | | | 105 | |
106 | SYSCTL_SETUP(sysctl_hw_usbnet_setup, "sysctl hw.usbnet setup") | | 106 | SYSCTL_SETUP(sysctl_hw_usbnet_setup, "sysctl hw.usbnet setup") |
107 | { | | 107 | { |
108 | int err; | | 108 | int err; |
109 | const struct sysctlnode *rnode; | | 109 | const struct sysctlnode *rnode; |
110 | const struct sysctlnode *cnode; | | 110 | const struct sysctlnode *cnode; |
111 | | | 111 | |
112 | err = sysctl_createv(clog, 0, NULL, &rnode, | | 112 | err = sysctl_createv(clog, 0, NULL, &rnode, |
113 | CTLFLAG_PERMANENT, CTLTYPE_NODE, "usbnet", | | 113 | CTLFLAG_PERMANENT, CTLTYPE_NODE, "usbnet", |
114 | SYSCTL_DESCR("usbnet global controls"), | | 114 | SYSCTL_DESCR("usbnet global controls"), |
115 | NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL); | | 115 | NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL); |
116 | | | 116 | |
117 | if (err) | | 117 | if (err) |
118 | goto fail; | | 118 | goto fail; |
119 | | | 119 | |
120 | /* control debugging printfs */ | | 120 | /* control debugging printfs */ |
121 | err = sysctl_createv(clog, 0, &rnode, &cnode, | | 121 | err = sysctl_createv(clog, 0, &rnode, &cnode, |
122 | CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, | | 122 | CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, |
123 | "debug", SYSCTL_DESCR("Enable debugging output"), | | 123 | "debug", SYSCTL_DESCR("Enable debugging output"), |
124 | NULL, 0, &usbnetdebug, sizeof(usbnetdebug), CTL_CREATE, CTL_EOL); | | 124 | NULL, 0, &usbnetdebug, sizeof(usbnetdebug), CTL_CREATE, CTL_EOL); |
125 | if (err) | | 125 | if (err) |
126 | goto fail; | | 126 | goto fail; |
127 | | | 127 | |
128 | return; | | 128 | return; |
129 | fail: | | 129 | fail: |
130 | aprint_error("%s: sysctl_createv failed (err = %d)\n", __func__, err); | | 130 | aprint_error("%s: sysctl_createv failed (err = %d)\n", __func__, err); |
131 | } | | 131 | } |
132 | | | 132 | |
133 | #endif /* USBNET_DEBUG */ | | 133 | #endif /* USBNET_DEBUG */ |
134 | #endif /* USB_DEBUG */ | | 134 | #endif /* USB_DEBUG */ |
135 | | | 135 | |
136 | #define DPRINTF(FMT,A,B,C,D) USBHIST_LOGN(usbnetdebug,1,FMT,A,B,C,D) | | 136 | #define DPRINTF(FMT,A,B,C,D) USBHIST_LOGN(usbnetdebug,1,FMT,A,B,C,D) |
137 | #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbnetdebug,N,FMT,A,B,C,D) | | 137 | #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbnetdebug,N,FMT,A,B,C,D) |
138 | #define USBNETHIST_FUNC() USBHIST_FUNC() | | 138 | #define USBNETHIST_FUNC() USBHIST_FUNC() |
139 | #define USBNETHIST_CALLED(name) USBHIST_CALLED(usbnetdebug) | | 139 | #define USBNETHIST_CALLED(name) USBHIST_CALLED(usbnetdebug) |
140 | #define USBNETHIST_CALLARGS(FMT,A,B,C,D) \ | | 140 | #define USBNETHIST_CALLARGS(FMT,A,B,C,D) \ |
141 | USBHIST_CALLARGS(usbnetdebug,FMT,A,B,C,D) | | 141 | USBHIST_CALLARGS(usbnetdebug,FMT,A,B,C,D) |
142 | #define USBNETHIST_CALLARGSN(N,FMT,A,B,C,D) \ | | 142 | #define USBNETHIST_CALLARGSN(N,FMT,A,B,C,D) \ |
143 | USBHIST_CALLARGSN(usbnetdebug,N,FMT,A,B,C,D) | | 143 | USBHIST_CALLARGSN(usbnetdebug,N,FMT,A,B,C,D) |
144 | | | 144 | |
145 | /* Callback vectors. */ | | 145 | /* Callback vectors. */ |
146 | | | 146 | |
147 | static void | | 147 | static void |
148 | uno_stop(struct usbnet *un, struct ifnet *ifp, int disable) | | 148 | uno_stop(struct usbnet *un, struct ifnet *ifp, int disable) |
149 | { | | 149 | { |
150 | if (un->un_ops->uno_stop) | | 150 | if (un->un_ops->uno_stop) |
151 | (*un->un_ops->uno_stop)(ifp, disable); | | 151 | (*un->un_ops->uno_stop)(ifp, disable); |
152 | } | | 152 | } |
153 | | | 153 | |
154 | static int | | 154 | static int |
155 | uno_ioctl(struct usbnet *un, struct ifnet *ifp, u_long cmd, void *data) | | 155 | uno_ioctl(struct usbnet *un, struct ifnet *ifp, u_long cmd, void *data) |
156 | { | | 156 | { |
157 | if (un->un_ops->uno_ioctl) | | 157 | if (un->un_ops->uno_ioctl) |
158 | return (*un->un_ops->uno_ioctl)(ifp, cmd, data); | | 158 | return (*un->un_ops->uno_ioctl)(ifp, cmd, data); |
159 | return 0; | | 159 | return 0; |
160 | } | | 160 | } |
161 | | | 161 | |
162 | static int | | 162 | static int |
163 | uno_override_ioctl(struct usbnet *un, struct ifnet *ifp, u_long cmd, void *data) | | 163 | uno_override_ioctl(struct usbnet *un, struct ifnet *ifp, u_long cmd, void *data) |
164 | { | | 164 | { |
165 | return (*un->un_ops->uno_override_ioctl)(ifp, cmd, data); | | 165 | return (*un->un_ops->uno_override_ioctl)(ifp, cmd, data); |
166 | } | | 166 | } |
167 | | | 167 | |
168 | static int | | 168 | static int |
169 | uno_init(struct usbnet *un, struct ifnet *ifp) | | 169 | uno_init(struct usbnet *un, struct ifnet *ifp) |
170 | { | | 170 | { |
171 | return (*un->un_ops->uno_init)(ifp); | | 171 | return (*un->un_ops->uno_init)(ifp); |
172 | } | | 172 | } |
173 | | | 173 | |
174 | static int | | 174 | static int |
175 | uno_read_reg(struct usbnet *un, int phy, int reg, uint16_t *val) | | 175 | uno_read_reg(struct usbnet *un, int phy, int reg, uint16_t *val) |
176 | { | | 176 | { |
177 | return (*un->un_ops->uno_read_reg)(un, phy, reg, val); | | 177 | return (*un->un_ops->uno_read_reg)(un, phy, reg, val); |
178 | } | | 178 | } |
179 | | | 179 | |
180 | static int | | 180 | static int |
181 | uno_write_reg(struct usbnet *un, int phy, int reg, uint16_t val) | | 181 | uno_write_reg(struct usbnet *un, int phy, int reg, uint16_t val) |
182 | { | | 182 | { |
183 | return (*un->un_ops->uno_write_reg)(un, phy, reg, val); | | 183 | return (*un->un_ops->uno_write_reg)(un, phy, reg, val); |
184 | } | | 184 | } |
185 | | | 185 | |
186 | static void | | 186 | static void |
187 | uno_mii_statchg(struct usbnet *un, struct ifnet *ifp) | | 187 | uno_mii_statchg(struct usbnet *un, struct ifnet *ifp) |
188 | { | | 188 | { |
189 | (*un->un_ops->uno_statchg)(ifp); | | 189 | (*un->un_ops->uno_statchg)(ifp); |
190 | } | | 190 | } |
191 | | | 191 | |
192 | static unsigned | | 192 | static unsigned |
193 | uno_tx_prepare(struct usbnet *un, struct mbuf *m, struct usbnet_chain *c) | | 193 | uno_tx_prepare(struct usbnet *un, struct mbuf *m, struct usbnet_chain *c) |
194 | { | | 194 | { |
195 | return (*un->un_ops->uno_tx_prepare)(un, m, c); | | 195 | return (*un->un_ops->uno_tx_prepare)(un, m, c); |
196 | } | | 196 | } |
197 | | | 197 | |
198 | static void | | 198 | static void |
199 | uno_rx_loop(struct usbnet *un, struct usbnet_chain *c, uint32_t total_len) | | 199 | uno_rx_loop(struct usbnet *un, struct usbnet_chain *c, uint32_t total_len) |
200 | { | | 200 | { |
201 | (*un->un_ops->uno_rx_loop)(un, c, total_len); | | 201 | (*un->un_ops->uno_rx_loop)(un, c, total_len); |
202 | } | | 202 | } |
203 | | | 203 | |
204 | static void | | 204 | static void |
205 | uno_tick(struct usbnet *un) | | 205 | uno_tick(struct usbnet *un) |
206 | { | | 206 | { |
207 | if (un->un_ops->uno_tick) | | 207 | if (un->un_ops->uno_tick) |
208 | (*un->un_ops->uno_tick)(un); | | 208 | (*un->un_ops->uno_tick)(un); |
209 | } | | 209 | } |
210 | | | 210 | |
211 | static void | | 211 | static void |
212 | uno_intr(struct usbnet *un, usbd_status status) | | 212 | uno_intr(struct usbnet *un, usbd_status status) |
213 | { | | 213 | { |
214 | if (un->un_ops->uno_intr) | | 214 | if (un->un_ops->uno_intr) |
215 | (*un->un_ops->uno_intr)(un, status); | | 215 | (*un->un_ops->uno_intr)(un, status); |
216 | } | | 216 | } |
217 | | | 217 | |
218 | /* Interrupt handling. */ | | 218 | /* Interrupt handling. */ |
219 | | | 219 | |
220 | static struct mbuf * | | 220 | static struct mbuf * |
221 | usbnet_newbuf(size_t buflen) | | 221 | usbnet_newbuf(size_t buflen) |
222 | { | | 222 | { |
223 | struct mbuf *m; | | 223 | struct mbuf *m; |
224 | | | 224 | |
225 | MGETHDR(m, M_DONTWAIT, MT_DATA); | | 225 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
226 | if (m == NULL) | | 226 | if (m == NULL) |
227 | return NULL; | | 227 | return NULL; |
228 | | | 228 | |
229 | if (buflen > MHLEN - ETHER_ALIGN) { | | 229 | if (buflen > MHLEN - ETHER_ALIGN) { |
230 | MCLGET(m, M_DONTWAIT); | | 230 | MCLGET(m, M_DONTWAIT); |
231 | if (!(m->m_flags & M_EXT)) { | | 231 | if (!(m->m_flags & M_EXT)) { |
232 | m_freem(m); | | 232 | m_freem(m); |
233 | return NULL; | | 233 | return NULL; |
234 | } | | 234 | } |
235 | } | | 235 | } |
236 | | | 236 | |
237 | m_adj(m, ETHER_ALIGN); | | 237 | m_adj(m, ETHER_ALIGN); |
238 | m->m_len = m->m_pkthdr.len = buflen; | | 238 | m->m_len = m->m_pkthdr.len = buflen; |
239 | | | 239 | |
240 | return m; | | 240 | return m; |
241 | } | | 241 | } |
242 | | | 242 | |
243 | /* | | 243 | /* |
244 | * usbnet_rxeof() is designed to be the done callback for rx completion. | | 244 | * usbnet_rxeof() is designed to be the done callback for rx completion. |
245 | * it provides generic setup and finalisation, calls a different usbnet | | 245 | * it provides generic setup and finalisation, calls a different usbnet |
246 | * rx_loop callback in the middle, which can use usbnet_enqueue() to | | 246 | * rx_loop callback in the middle, which can use usbnet_enqueue() to |
247 | * enqueue a packet for higher levels (or usbnet_input() if previously | | 247 | * enqueue a packet for higher levels (or usbnet_input() if previously |
248 | * using if_input() path.) | | 248 | * using if_input() path.) |
249 | */ | | 249 | */ |
250 | void | | 250 | void |
251 | usbnet_enqueue(struct usbnet * const un, uint8_t *buf, size_t buflen, | | 251 | usbnet_enqueue(struct usbnet * const un, uint8_t *buf, size_t buflen, |
252 | int csum_flags, uint32_t csum_data, int mbuf_flags) | | 252 | int csum_flags, uint32_t csum_data, int mbuf_flags) |
253 | { | | 253 | { |
254 | USBNETHIST_FUNC(); | | 254 | USBNETHIST_FUNC(); |
255 | struct ifnet * const ifp = usbnet_ifp(un); | | 255 | struct ifnet * const ifp = usbnet_ifp(un); |
256 | struct usbnet_private * const unp __unused = un->un_pri; | | 256 | struct usbnet_private * const unp __unused = un->un_pri; |
257 | struct mbuf *m; | | 257 | struct mbuf *m; |
258 | | | 258 | |
259 | USBNETHIST_CALLARGSN(5, "%d: enter: len=%zu csf %x mbf %x", | | 259 | USBNETHIST_CALLARGSN(5, "%d: enter: len=%zu csf %x mbf %x", |
260 | unp->unp_number, buflen, csum_flags, mbuf_flags); | | 260 | unp->unp_number, buflen, csum_flags, mbuf_flags); |
261 | | | 261 | |
262 | usbnet_isowned_rx(un); | | 262 | usbnet_isowned_rx(un); |
263 | | | 263 | |
264 | m = usbnet_newbuf(buflen); | | 264 | m = usbnet_newbuf(buflen); |
265 | if (m == NULL) { | | 265 | if (m == NULL) { |
266 | DPRINTF("%d: no memory", unp->unp_number, 0, 0, 0); | | 266 | DPRINTF("%d: no memory", unp->unp_number, 0, 0, 0); |
267 | ifp->if_ierrors++; | | 267 | ifp->if_ierrors++; |
268 | return; | | 268 | return; |
269 | } | | 269 | } |
270 | | | 270 | |
271 | m_set_rcvif(m, ifp); | | 271 | m_set_rcvif(m, ifp); |
272 | m->m_pkthdr.csum_flags = csum_flags; | | 272 | m->m_pkthdr.csum_flags = csum_flags; |
273 | m->m_pkthdr.csum_data = csum_data; | | 273 | m->m_pkthdr.csum_data = csum_data; |
274 | m->m_flags |= mbuf_flags; | | 274 | m->m_flags |= mbuf_flags; |
275 | memcpy(mtod(m, uint8_t *), buf, buflen); | | 275 | memcpy(mtod(m, uint8_t *), buf, buflen); |
276 | | | 276 | |
277 | /* push the packet up */ | | 277 | /* push the packet up */ |
278 | if_percpuq_enqueue(ifp->if_percpuq, m); | | 278 | if_percpuq_enqueue(ifp->if_percpuq, m); |
279 | } | | 279 | } |
280 | | | 280 | |
281 | void | | 281 | void |
282 | usbnet_input(struct usbnet * const un, uint8_t *buf, size_t buflen) | | 282 | usbnet_input(struct usbnet * const un, uint8_t *buf, size_t buflen) |
283 | { | | 283 | { |
284 | USBNETHIST_FUNC(); | | 284 | USBNETHIST_FUNC(); |
285 | struct ifnet * const ifp = usbnet_ifp(un); | | 285 | struct ifnet * const ifp = usbnet_ifp(un); |
286 | struct usbnet_private * const unp __unused = un->un_pri; | | 286 | struct usbnet_private * const unp __unused = un->un_pri; |
287 | struct mbuf *m; | | 287 | struct mbuf *m; |
288 | | | 288 | |
289 | USBNETHIST_CALLARGSN(5, "%d: enter: buf %jx len %ju", | | 289 | USBNETHIST_CALLARGSN(5, "%d: enter: buf %jx len %ju", |
290 | unp->unp_number, (uintptr_t)buf, buflen, 0); | | 290 | unp->unp_number, (uintptr_t)buf, buflen, 0); |
291 | | | 291 | |
292 | usbnet_isowned_rx(un); | | 292 | usbnet_isowned_rx(un); |
293 | | | 293 | |
294 | m = usbnet_newbuf(buflen); | | 294 | m = usbnet_newbuf(buflen); |
295 | if (m == NULL) { | | 295 | if (m == NULL) { |
296 | ifp->if_ierrors++; | | 296 | ifp->if_ierrors++; |
297 | return; | | 297 | return; |
298 | } | | 298 | } |
299 | | | 299 | |
300 | m_set_rcvif(m, ifp); | | 300 | m_set_rcvif(m, ifp); |
301 | memcpy(mtod(m, char *), buf, buflen); | | 301 | memcpy(mtod(m, char *), buf, buflen); |
302 | | | 302 | |
303 | /* push the packet up */ | | 303 | /* push the packet up */ |
304 | if_input(ifp, m); | | 304 | if_input(ifp, m); |
305 | } | | 305 | } |
306 | | | 306 | |
307 | /* | | 307 | /* |
308 | * A frame has been uploaded: pass the resulting mbuf chain up to | | 308 | * A frame has been uploaded: pass the resulting mbuf chain up to |
309 | * the higher level protocols. | | 309 | * the higher level protocols. |
310 | */ | | 310 | */ |
311 | static void | | 311 | static void |
312 | usbnet_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) | | 312 | usbnet_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) |
313 | { | | 313 | { |
314 | USBNETHIST_FUNC(); | | 314 | USBNETHIST_FUNC(); |
315 | struct usbnet_chain * const c = priv; | | 315 | struct usbnet_chain * const c = priv; |
316 | struct usbnet * const un = c->unc_un; | | 316 | struct usbnet * const un = c->unc_un; |
317 | struct usbnet_private * const unp = un->un_pri; | | 317 | struct usbnet_private * const unp = un->un_pri; |
318 | struct ifnet * const ifp = usbnet_ifp(un); | | 318 | struct ifnet * const ifp = usbnet_ifp(un); |
319 | uint32_t total_len; | | 319 | uint32_t total_len; |
320 | | | 320 | |
321 | USBNETHIST_CALLARGSN(5, "%d: enter: status %x xfer %jx", | | 321 | USBNETHIST_CALLARGSN(5, "%d: enter: status %x xfer %jx", |
322 | unp->unp_number, status, (uintptr_t)xfer, 0); | | 322 | unp->unp_number, status, (uintptr_t)xfer, 0); |
323 | | | 323 | |
324 | mutex_enter(&unp->unp_rxlock); | | 324 | mutex_enter(&unp->unp_rxlock); |
325 | | | 325 | |
326 | if (unp->unp_dying || unp->unp_stopping || | | 326 | if (unp->unp_dying || unp->unp_stopping || |
327 | status == USBD_INVAL || status == USBD_NOT_STARTED || | | 327 | status == USBD_INVAL || status == USBD_NOT_STARTED || |
328 | status == USBD_CANCELLED || !(ifp->if_flags & IFF_RUNNING)) | | 328 | status == USBD_CANCELLED || !(ifp->if_flags & IFF_RUNNING)) |
329 | goto out; | | 329 | goto out; |
330 | | | 330 | |
331 | if (status != USBD_NORMAL_COMPLETION) { | | 331 | if (status != USBD_NORMAL_COMPLETION) { |
332 | if (usbd_ratecheck(&unp->unp_rx_notice)) | | 332 | if (usbd_ratecheck(&unp->unp_rx_notice)) |
333 | aprint_error_dev(un->un_dev, "usb errors on rx: %s\n", | | 333 | aprint_error_dev(un->un_dev, "usb errors on rx: %s\n", |
334 | usbd_errstr(status)); | | 334 | usbd_errstr(status)); |
335 | if (status == USBD_STALLED) | | 335 | if (status == USBD_STALLED) |
336 | usbd_clear_endpoint_stall_async(unp->unp_ep[USBNET_ENDPT_RX]); | | 336 | usbd_clear_endpoint_stall_async(unp->unp_ep[USBNET_ENDPT_RX]); |
337 | goto done; | | 337 | goto done; |
338 | } | | 338 | } |
339 | | | 339 | |
340 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); | | 340 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
341 | | | 341 | |
342 | if (total_len > un->un_rx_bufsz) { | | 342 | if (total_len > un->un_rx_bufsz) { |
343 | aprint_error_dev(un->un_dev, | | 343 | aprint_error_dev(un->un_dev, |
344 | "rxeof: too large transfer (%u > %u)\n", | | 344 | "rxeof: too large transfer (%u > %u)\n", |
345 | total_len, un->un_rx_bufsz); | | 345 | total_len, un->un_rx_bufsz); |
346 | goto done; | | 346 | goto done; |
347 | } | | 347 | } |
348 | | | 348 | |
349 | uno_rx_loop(un, c, total_len); | | 349 | uno_rx_loop(un, c, total_len); |
350 | usbnet_isowned_rx(un); | | 350 | usbnet_isowned_rx(un); |
351 | | | 351 | |
352 | done: | | 352 | done: |
353 | if (unp->unp_dying || unp->unp_stopping) | | 353 | if (unp->unp_dying || unp->unp_stopping) |
354 | goto out; | | 354 | goto out; |
355 | | | 355 | |
356 | mutex_exit(&unp->unp_rxlock); | | 356 | mutex_exit(&unp->unp_rxlock); |
357 | | | 357 | |
358 | /* Setup new transfer. */ | | 358 | /* Setup new transfer. */ |
359 | usbd_setup_xfer(xfer, c, c->unc_buf, un->un_rx_bufsz, | | 359 | usbd_setup_xfer(xfer, c, c->unc_buf, un->un_rx_bufsz, |
360 | un->un_rx_xfer_flags, USBD_NO_TIMEOUT, usbnet_rxeof); | | 360 | un->un_rx_xfer_flags, USBD_NO_TIMEOUT, usbnet_rxeof); |
361 | usbd_transfer(xfer); | | 361 | usbd_transfer(xfer); |
362 | return; | | 362 | return; |
363 | | | 363 | |
364 | out: | | 364 | out: |
365 | mutex_exit(&unp->unp_rxlock); | | 365 | mutex_exit(&unp->unp_rxlock); |
366 | } | | 366 | } |
367 | | | 367 | |
368 | static void | | 368 | static void |
369 | usbnet_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) | | 369 | usbnet_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) |
370 | { | | 370 | { |
371 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 371 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
372 | struct usbnet_chain * const c = priv; | | 372 | struct usbnet_chain * const c = priv; |
373 | struct usbnet * const un = c->unc_un; | | 373 | struct usbnet * const un = c->unc_un; |
374 | struct usbnet_cdata * const cd = un_cdata(un); | | 374 | struct usbnet_cdata * const cd = un_cdata(un); |
375 | struct usbnet_private * const unp = un->un_pri; | | 375 | struct usbnet_private * const unp = un->un_pri; |
376 | struct ifnet * const ifp = usbnet_ifp(un); | | 376 | struct ifnet * const ifp = usbnet_ifp(un); |
377 | | | 377 | |
378 | USBNETHIST_CALLARGSN(5, "%d: enter: status %x xfer %jx", | | 378 | USBNETHIST_CALLARGSN(5, "%d: enter: status %x xfer %jx", |
379 | unp->unp_number, status, (uintptr_t)xfer, 0); | | 379 | unp->unp_number, status, (uintptr_t)xfer, 0); |
380 | | | 380 | |
381 | mutex_enter(&unp->unp_txlock); | | 381 | mutex_enter(&unp->unp_txlock); |
382 | if (unp->unp_stopping || unp->unp_dying) { | | 382 | if (unp->unp_stopping || unp->unp_dying) { |
383 | mutex_exit(&unp->unp_txlock); | | 383 | mutex_exit(&unp->unp_txlock); |
384 | return; | | 384 | return; |
385 | } | | 385 | } |
386 | | | 386 | |
387 | KASSERT(cd->uncd_tx_cnt > 0); | | 387 | KASSERT(cd->uncd_tx_cnt > 0); |
388 | cd->uncd_tx_cnt--; | | 388 | cd->uncd_tx_cnt--; |
389 | | | 389 | |
390 | unp->unp_timer = 0; | | 390 | unp->unp_timer = 0; |
391 | | | 391 | |
392 | switch (status) { | | 392 | switch (status) { |
393 | case USBD_NOT_STARTED: | | 393 | case USBD_NOT_STARTED: |
394 | case USBD_CANCELLED: | | 394 | case USBD_CANCELLED: |
395 | break; | | 395 | break; |
396 | | | 396 | |
397 | case USBD_NORMAL_COMPLETION: | | 397 | case USBD_NORMAL_COMPLETION: |
398 | ifp->if_opackets++; | | 398 | ifp->if_opackets++; |
399 | break; | | 399 | break; |
400 | | | 400 | |
401 | default: | | 401 | default: |
402 | | | 402 | |
403 | ifp->if_oerrors++; | | 403 | ifp->if_oerrors++; |
404 | if (usbd_ratecheck(&unp->unp_tx_notice)) | | 404 | if (usbd_ratecheck(&unp->unp_tx_notice)) |
405 | aprint_error_dev(un->un_dev, "usb error on tx: %s\n", | | 405 | aprint_error_dev(un->un_dev, "usb error on tx: %s\n", |
406 | usbd_errstr(status)); | | 406 | usbd_errstr(status)); |
407 | if (status == USBD_STALLED) | | 407 | if (status == USBD_STALLED) |
408 | usbd_clear_endpoint_stall_async(unp->unp_ep[USBNET_ENDPT_TX]); | | 408 | usbd_clear_endpoint_stall_async(unp->unp_ep[USBNET_ENDPT_TX]); |
409 | break; | | 409 | break; |
410 | } | | 410 | } |
411 | | | 411 | |
412 | mutex_exit(&unp->unp_txlock); | | 412 | mutex_exit(&unp->unp_txlock); |
413 | | | 413 | |
414 | if (status == USBD_NORMAL_COMPLETION && !IFQ_IS_EMPTY(&ifp->if_snd)) | | 414 | if (status == USBD_NORMAL_COMPLETION && !IFQ_IS_EMPTY(&ifp->if_snd)) |
415 | (*ifp->if_start)(ifp); | | 415 | (*ifp->if_start)(ifp); |
416 | } | | 416 | } |
417 | | | 417 | |
418 | static void | | 418 | static void |
419 | usbnet_pipe_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) | | 419 | usbnet_pipe_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) |
420 | { | | 420 | { |
421 | struct usbnet * const un = priv; | | 421 | struct usbnet * const un = priv; |
422 | struct usbnet_private * const unp = un->un_pri; | | 422 | struct usbnet_private * const unp = un->un_pri; |
423 | struct usbnet_intr * const uni = un->un_intr; | | 423 | struct usbnet_intr * const uni = un->un_intr; |
424 | struct ifnet * const ifp = usbnet_ifp(un); | | 424 | struct ifnet * const ifp = usbnet_ifp(un); |
425 | | | 425 | |
426 | if (uni == NULL || unp->unp_dying || unp->unp_stopping || | | 426 | if (uni == NULL || unp->unp_dying || unp->unp_stopping || |
427 | status == USBD_INVAL || status == USBD_NOT_STARTED || | | 427 | status == USBD_INVAL || status == USBD_NOT_STARTED || |
428 | status == USBD_CANCELLED || !(ifp->if_flags & IFF_RUNNING)) | | 428 | status == USBD_CANCELLED || !(ifp->if_flags & IFF_RUNNING)) |
429 | return; | | 429 | return; |
430 | | | 430 | |
431 | if (status != USBD_NORMAL_COMPLETION) { | | 431 | if (status != USBD_NORMAL_COMPLETION) { |
432 | if (usbd_ratecheck(&unp->unp_intr_notice)) { | | 432 | if (usbd_ratecheck(&unp->unp_intr_notice)) { |
433 | aprint_error_dev(un->un_dev, "usb error on intr: %s\n", | | 433 | aprint_error_dev(un->un_dev, "usb error on intr: %s\n", |
434 | usbd_errstr(status)); | | 434 | usbd_errstr(status)); |
435 | } | | 435 | } |
436 | if (status == USBD_STALLED) | | 436 | if (status == USBD_STALLED) |
437 | usbd_clear_endpoint_stall_async(unp->unp_ep[USBNET_ENDPT_INTR]); | | 437 | usbd_clear_endpoint_stall_async(unp->unp_ep[USBNET_ENDPT_INTR]); |
438 | return; | | 438 | return; |
439 | } | | 439 | } |
440 | | | 440 | |
441 | uno_intr(un, status); | | 441 | uno_intr(un, status); |
442 | } | | 442 | } |
443 | | | 443 | |
444 | static void | | 444 | static void |
445 | usbnet_start_locked(struct ifnet *ifp) | | 445 | usbnet_start_locked(struct ifnet *ifp) |
446 | { | | 446 | { |
447 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 447 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
448 | struct usbnet * const un = ifp->if_softc; | | 448 | struct usbnet * const un = ifp->if_softc; |
449 | struct usbnet_cdata * const cd = un_cdata(un); | | 449 | struct usbnet_cdata * const cd = un_cdata(un); |
450 | struct usbnet_private * const unp = un->un_pri; | | 450 | struct usbnet_private * const unp = un->un_pri; |
451 | struct mbuf *m; | | 451 | struct mbuf *m; |
452 | unsigned length; | | 452 | unsigned length; |
453 | int idx; | | 453 | int idx; |
454 | | | 454 | |
455 | usbnet_isowned_tx(un); | | 455 | usbnet_isowned_tx(un); |
456 | KASSERT(cd->uncd_tx_cnt <= un->un_tx_list_cnt); | | 456 | KASSERT(cd->uncd_tx_cnt <= un->un_tx_list_cnt); |
457 | | | 457 | |
458 | if (!unp->unp_link || (ifp->if_flags & IFF_RUNNING) == 0) { | | 458 | if (!unp->unp_link || (ifp->if_flags & IFF_RUNNING) == 0) { |
459 | DPRINTF("start called no link (%x) or running (flags %x)", | | 459 | DPRINTF("start called no link (%x) or running (flags %x)", |
460 | unp->unp_link, ifp->if_flags, 0, 0); | | 460 | unp->unp_link, ifp->if_flags, 0, 0); |
461 | return; | | 461 | return; |
462 | } | | 462 | } |
463 | | | 463 | |
464 | if (cd->uncd_tx_cnt == un->un_tx_list_cnt) { | | 464 | if (cd->uncd_tx_cnt == un->un_tx_list_cnt) { |
465 | DPRINTF("start called, tx busy (%jx == %jx)", | | 465 | DPRINTF("start called, tx busy (%jx == %jx)", |
466 | cd->uncd_tx_cnt, un->un_tx_list_cnt, 0, 0); | | 466 | cd->uncd_tx_cnt, un->un_tx_list_cnt, 0, 0); |
467 | return; | | 467 | return; |
468 | } | | 468 | } |
469 | | | 469 | |
470 | idx = cd->uncd_tx_prod; | | 470 | idx = cd->uncd_tx_prod; |
471 | while (cd->uncd_tx_cnt < un->un_tx_list_cnt) { | | 471 | while (cd->uncd_tx_cnt < un->un_tx_list_cnt) { |
472 | IFQ_POLL(&ifp->if_snd, m); | | 472 | IFQ_POLL(&ifp->if_snd, m); |
473 | if (m == NULL) { | | 473 | if (m == NULL) { |
474 | DPRINTF("start called, queue empty", 0, 0, 0, 0); | | 474 | DPRINTF("start called, queue empty", 0, 0, 0, 0); |
475 | break; | | 475 | break; |
476 | } | | 476 | } |
477 | KASSERT(m->m_pkthdr.len <= un->un_tx_bufsz); | | 477 | KASSERT(m->m_pkthdr.len <= un->un_tx_bufsz); |
478 | | | 478 | |
479 | struct usbnet_chain *c = &cd->uncd_tx_chain[idx]; | | 479 | struct usbnet_chain *c = &cd->uncd_tx_chain[idx]; |
480 | | | 480 | |
481 | length = uno_tx_prepare(un, m, c); | | 481 | length = uno_tx_prepare(un, m, c); |
482 | if (length == 0) { | | 482 | if (length == 0) { |
483 | DPRINTF("uno_tx_prepare gave zero length", 0, 0, 0, 0); | | 483 | DPRINTF("uno_tx_prepare gave zero length", 0, 0, 0, 0); |
484 | ifp->if_oerrors++; | | 484 | ifp->if_oerrors++; |
485 | break; | | 485 | break; |
486 | } | | 486 | } |
487 | | | 487 | |
488 | if (__predict_false(c->unc_xfer == NULL)) { | | 488 | if (__predict_false(c->unc_xfer == NULL)) { |
489 | DPRINTF("unc_xfer is NULL", 0, 0, 0, 0); | | 489 | DPRINTF("unc_xfer is NULL", 0, 0, 0, 0); |
490 | ifp->if_oerrors++; | | 490 | ifp->if_oerrors++; |
491 | break; | | 491 | break; |
492 | } | | 492 | } |
493 | | | 493 | |
494 | usbd_setup_xfer(c->unc_xfer, c, c->unc_buf, length, | | 494 | usbd_setup_xfer(c->unc_xfer, c, c->unc_buf, length, |
495 | un->un_tx_xfer_flags, 10000, usbnet_txeof); | | 495 | un->un_tx_xfer_flags, 10000, usbnet_txeof); |
496 | | | 496 | |
497 | /* Transmit */ | | 497 | /* Transmit */ |
498 | usbd_status err = usbd_transfer(c->unc_xfer); | | 498 | usbd_status err = usbd_transfer(c->unc_xfer); |
499 | if (err != USBD_IN_PROGRESS) { | | 499 | if (err != USBD_IN_PROGRESS) { |
500 | DPRINTF("usbd_transfer on %jx for %ju bytes: %d", | | 500 | DPRINTF("usbd_transfer on %jx for %ju bytes: %d", |
501 | (uintptr_t)c->unc_buf, length, err, 0); | | 501 | (uintptr_t)c->unc_buf, length, err, 0); |
502 | ifp->if_oerrors++; | | 502 | ifp->if_oerrors++; |
503 | break; | | 503 | break; |
504 | } | | 504 | } |
505 | | | 505 | |
506 | IFQ_DEQUEUE(&ifp->if_snd, m); | | 506 | IFQ_DEQUEUE(&ifp->if_snd, m); |
507 | | | 507 | |
508 | /* | | 508 | /* |
509 | * If there's a BPF listener, bounce a copy of this frame | | 509 | * If there's a BPF listener, bounce a copy of this frame |
510 | * to him. | | 510 | * to him. |
511 | */ | | 511 | */ |
512 | bpf_mtap(ifp, m, BPF_D_OUT); | | 512 | bpf_mtap(ifp, m, BPF_D_OUT); |
513 | m_freem(m); | | 513 | m_freem(m); |
514 | | | 514 | |
515 | idx = (idx + 1) % un->un_tx_list_cnt; | | 515 | idx = (idx + 1) % un->un_tx_list_cnt; |
516 | cd->uncd_tx_cnt++; | | 516 | cd->uncd_tx_cnt++; |
517 | } | | 517 | } |
518 | cd->uncd_tx_prod = idx; | | 518 | cd->uncd_tx_prod = idx; |
519 | | | 519 | |
520 | /* | | 520 | /* |
521 | * Set a timeout in case the chip goes out to lunch. | | 521 | * Set a timeout in case the chip goes out to lunch. |
522 | */ | | 522 | */ |
523 | unp->unp_timer = 5; | | 523 | unp->unp_timer = 5; |
524 | } | | 524 | } |
525 | | | 525 | |
526 | static void | | 526 | static void |
527 | usbnet_start(struct ifnet *ifp) | | 527 | usbnet_start(struct ifnet *ifp) |
528 | { | | 528 | { |
529 | struct usbnet * const un = ifp->if_softc; | | 529 | struct usbnet * const un = ifp->if_softc; |
530 | struct usbnet_private * const unp = un->un_pri; | | 530 | struct usbnet_private * const unp = un->un_pri; |
531 | | | 531 | |
532 | mutex_enter(&unp->unp_txlock); | | 532 | mutex_enter(&unp->unp_txlock); |
533 | if (!unp->unp_stopping) | | 533 | if (!unp->unp_stopping) |
534 | usbnet_start_locked(ifp); | | 534 | usbnet_start_locked(ifp); |
535 | mutex_exit(&unp->unp_txlock); | | 535 | mutex_exit(&unp->unp_txlock); |
536 | } | | 536 | } |
537 | | | 537 | |
538 | /* | | 538 | /* |
539 | * Chain management. | | 539 | * Chain management. |
540 | * | | 540 | * |
541 | * RX and TX are identical. Keep them that way. | | 541 | * RX and TX are identical. Keep them that way. |
542 | */ | | 542 | */ |
543 | | | 543 | |
544 | /* Start of common RX functions */ | | 544 | /* Start of common RX functions */ |
545 | | | 545 | |
546 | static size_t | | 546 | static size_t |
547 | usbnet_rx_list_size(struct usbnet_cdata * const cd, struct usbnet * const un) | | 547 | usbnet_rx_list_size(struct usbnet_cdata * const cd, struct usbnet * const un) |
548 | { | | 548 | { |
549 | return sizeof(*cd->uncd_rx_chain) * un->un_rx_list_cnt; | | 549 | return sizeof(*cd->uncd_rx_chain) * un->un_rx_list_cnt; |
550 | } | | 550 | } |
551 | | | 551 | |
552 | static void | | 552 | static void |
553 | usbnet_rx_list_alloc(struct usbnet * const un) | | 553 | usbnet_rx_list_alloc(struct usbnet * const un) |
554 | { | | 554 | { |
555 | struct usbnet_cdata * const cd = un_cdata(un); | | 555 | struct usbnet_cdata * const cd = un_cdata(un); |
556 | | | 556 | |
557 | cd->uncd_rx_chain = kmem_zalloc(usbnet_rx_list_size(cd, un), KM_SLEEP); | | 557 | cd->uncd_rx_chain = kmem_zalloc(usbnet_rx_list_size(cd, un), KM_SLEEP); |
558 | } | | 558 | } |
559 | | | 559 | |
560 | static void | | 560 | static void |
561 | usbnet_rx_list_free(struct usbnet * const un) | | 561 | usbnet_rx_list_free(struct usbnet * const un) |
562 | { | | 562 | { |
563 | struct usbnet_cdata * const cd = un_cdata(un); | | 563 | struct usbnet_cdata * const cd = un_cdata(un); |
564 | | | 564 | |
565 | if (cd->uncd_rx_chain) { | | 565 | if (cd->uncd_rx_chain) { |
566 | kmem_free(cd->uncd_rx_chain, usbnet_rx_list_size(cd, un)); | | 566 | kmem_free(cd->uncd_rx_chain, usbnet_rx_list_size(cd, un)); |
567 | cd->uncd_rx_chain = NULL; | | 567 | cd->uncd_rx_chain = NULL; |
568 | } | | 568 | } |
569 | } | | 569 | } |
570 | | | 570 | |
571 | static int | | 571 | static int |
572 | usbnet_rx_list_init(struct usbnet * const un) | | 572 | usbnet_rx_list_init(struct usbnet * const un) |
573 | { | | 573 | { |
574 | struct usbnet_cdata * const cd = un_cdata(un); | | 574 | struct usbnet_cdata * const cd = un_cdata(un); |
575 | struct usbnet_private * const unp = un->un_pri; | | 575 | struct usbnet_private * const unp = un->un_pri; |
576 | | | 576 | |
577 | for (size_t i = 0; i < un->un_rx_list_cnt; i++) { | | 577 | for (size_t i = 0; i < un->un_rx_list_cnt; i++) { |
578 | struct usbnet_chain *c = &cd->uncd_rx_chain[i]; | | 578 | struct usbnet_chain *c = &cd->uncd_rx_chain[i]; |
579 | | | 579 | |
580 | c->unc_un = un; | | 580 | c->unc_un = un; |
581 | if (c->unc_xfer == NULL) { | | 581 | if (c->unc_xfer == NULL) { |
582 | int err = usbd_create_xfer(unp->unp_ep[USBNET_ENDPT_RX], | | 582 | int err = usbd_create_xfer(unp->unp_ep[USBNET_ENDPT_RX], |
583 | un->un_rx_bufsz, un->un_rx_xfer_flags, 0, | | 583 | un->un_rx_bufsz, un->un_rx_xfer_flags, 0, |
584 | &c->unc_xfer); | | 584 | &c->unc_xfer); |
585 | if (err) | | 585 | if (err) |
586 | return err; | | 586 | return err; |
587 | c->unc_buf = usbd_get_buffer(c->unc_xfer); | | 587 | c->unc_buf = usbd_get_buffer(c->unc_xfer); |
588 | } | | 588 | } |
589 | } | | 589 | } |
590 | | | 590 | |
591 | return 0; | | 591 | return 0; |
592 | } | | 592 | } |
593 | | | 593 | |
594 | static void | | 594 | static void |
595 | usbnet_rx_list_fini(struct usbnet * const un) | | 595 | usbnet_rx_list_fini(struct usbnet * const un) |
596 | { | | 596 | { |
597 | struct usbnet_cdata * const cd = un_cdata(un); | | 597 | struct usbnet_cdata * const cd = un_cdata(un); |
598 | | | 598 | |
599 | for (size_t i = 0; i < un->un_rx_list_cnt; i++) { | | 599 | for (size_t i = 0; i < un->un_rx_list_cnt; i++) { |
600 | struct usbnet_chain *c = &cd->uncd_rx_chain[i]; | | 600 | struct usbnet_chain *c = &cd->uncd_rx_chain[i]; |
601 | | | 601 | |
602 | if (c->unc_xfer != NULL) { | | 602 | if (c->unc_xfer != NULL) { |
603 | usbd_destroy_xfer(c->unc_xfer); | | 603 | usbd_destroy_xfer(c->unc_xfer); |
604 | c->unc_xfer = NULL; | | 604 | c->unc_xfer = NULL; |
605 | c->unc_buf = NULL; | | 605 | c->unc_buf = NULL; |
606 | } | | 606 | } |
607 | } | | 607 | } |
608 | } | | 608 | } |
609 | | | 609 | |
610 | /* End of common RX functions */ | | 610 | /* End of common RX functions */ |
611 | | | 611 | |
612 | static void | | 612 | static void |
613 | usbnet_rx_start_pipes(struct usbnet * const un) | | 613 | usbnet_rx_start_pipes(struct usbnet * const un) |
614 | { | | 614 | { |
615 | struct usbnet_cdata * const cd = un_cdata(un); | | 615 | struct usbnet_cdata * const cd = un_cdata(un); |
616 | struct usbnet_private * const unp = un->un_pri; | | 616 | struct usbnet_private * const unp = un->un_pri; |
617 | | | 617 | |
618 | mutex_enter(&unp->unp_rxlock); | | 618 | mutex_enter(&unp->unp_rxlock); |
619 | mutex_enter(&unp->unp_txlock); | | 619 | mutex_enter(&unp->unp_txlock); |
620 | unp->unp_stopping = false; | | 620 | unp->unp_stopping = false; |
621 | | | 621 | |
622 | for (size_t i = 0; i < un->un_rx_list_cnt; i++) { | | 622 | for (size_t i = 0; i < un->un_rx_list_cnt; i++) { |
623 | struct usbnet_chain *c = &cd->uncd_rx_chain[i]; | | 623 | struct usbnet_chain *c = &cd->uncd_rx_chain[i]; |
624 | | | 624 | |
625 | usbd_setup_xfer(c->unc_xfer, c, c->unc_buf, un->un_rx_bufsz, | | 625 | usbd_setup_xfer(c->unc_xfer, c, c->unc_buf, un->un_rx_bufsz, |
626 | un->un_rx_xfer_flags, USBD_NO_TIMEOUT, usbnet_rxeof); | | 626 | un->un_rx_xfer_flags, USBD_NO_TIMEOUT, usbnet_rxeof); |
627 | usbd_transfer(c->unc_xfer); | | 627 | usbd_transfer(c->unc_xfer); |
628 | } | | 628 | } |
629 | | | 629 | |
630 | mutex_exit(&unp->unp_txlock); | | 630 | mutex_exit(&unp->unp_txlock); |
631 | mutex_exit(&unp->unp_rxlock); | | 631 | mutex_exit(&unp->unp_rxlock); |
632 | } | | 632 | } |
633 | | | 633 | |
634 | /* Start of common TX functions */ | | 634 | /* Start of common TX functions */ |
635 | | | 635 | |
636 | static size_t | | 636 | static size_t |
637 | usbnet_tx_list_size(struct usbnet_cdata * const cd, struct usbnet * const un) | | 637 | usbnet_tx_list_size(struct usbnet_cdata * const cd, struct usbnet * const un) |
638 | { | | 638 | { |
639 | return sizeof(*cd->uncd_tx_chain) * un->un_tx_list_cnt; | | 639 | return sizeof(*cd->uncd_tx_chain) * un->un_tx_list_cnt; |
640 | } | | 640 | } |
641 | | | 641 | |
642 | static void | | 642 | static void |
643 | usbnet_tx_list_alloc(struct usbnet * const un) | | 643 | usbnet_tx_list_alloc(struct usbnet * const un) |
644 | { | | 644 | { |
645 | struct usbnet_cdata * const cd = un_cdata(un); | | 645 | struct usbnet_cdata * const cd = un_cdata(un); |
646 | | | 646 | |
647 | cd->uncd_tx_chain = kmem_zalloc(usbnet_tx_list_size(cd, un), KM_SLEEP); | | 647 | cd->uncd_tx_chain = kmem_zalloc(usbnet_tx_list_size(cd, un), KM_SLEEP); |
648 | } | | 648 | } |
649 | | | 649 | |
650 | static void | | 650 | static void |
651 | usbnet_tx_list_free(struct usbnet * const un) | | 651 | usbnet_tx_list_free(struct usbnet * const un) |
652 | { | | 652 | { |
653 | struct usbnet_cdata * const cd = un_cdata(un); | | 653 | struct usbnet_cdata * const cd = un_cdata(un); |
654 | | | 654 | |
655 | if (cd->uncd_tx_chain) { | | 655 | if (cd->uncd_tx_chain) { |
656 | kmem_free(cd->uncd_tx_chain, usbnet_tx_list_size(cd, un)); | | 656 | kmem_free(cd->uncd_tx_chain, usbnet_tx_list_size(cd, un)); |
657 | cd->uncd_tx_chain = NULL; | | 657 | cd->uncd_tx_chain = NULL; |
658 | } | | 658 | } |
659 | } | | 659 | } |
660 | | | 660 | |
661 | static int | | 661 | static int |
662 | usbnet_tx_list_init(struct usbnet * const un) | | 662 | usbnet_tx_list_init(struct usbnet * const un) |
663 | { | | 663 | { |
664 | struct usbnet_cdata * const cd = un_cdata(un); | | 664 | struct usbnet_cdata * const cd = un_cdata(un); |
665 | struct usbnet_private * const unp = un->un_pri; | | 665 | struct usbnet_private * const unp = un->un_pri; |
666 | | | 666 | |
667 | for (size_t i = 0; i < un->un_tx_list_cnt; i++) { | | 667 | for (size_t i = 0; i < un->un_tx_list_cnt; i++) { |
668 | struct usbnet_chain *c = &cd->uncd_tx_chain[i]; | | 668 | struct usbnet_chain *c = &cd->uncd_tx_chain[i]; |
669 | | | 669 | |
670 | c->unc_un = un; | | 670 | c->unc_un = un; |
671 | if (c->unc_xfer == NULL) { | | 671 | if (c->unc_xfer == NULL) { |
672 | int err = usbd_create_xfer(unp->unp_ep[USBNET_ENDPT_TX], | | 672 | int err = usbd_create_xfer(unp->unp_ep[USBNET_ENDPT_TX], |
673 | un->un_tx_bufsz, un->un_tx_xfer_flags, 0, | | 673 | un->un_tx_bufsz, un->un_tx_xfer_flags, 0, |
674 | &c->unc_xfer); | | 674 | &c->unc_xfer); |
675 | if (err) | | 675 | if (err) |
676 | return err; | | 676 | return err; |
677 | c->unc_buf = usbd_get_buffer(c->unc_xfer); | | 677 | c->unc_buf = usbd_get_buffer(c->unc_xfer); |
678 | } | | 678 | } |
679 | } | | 679 | } |
680 | | | 680 | |
681 | return 0; | | 681 | return 0; |
682 | } | | 682 | } |
683 | | | 683 | |
684 | static void | | 684 | static void |
685 | usbnet_tx_list_fini(struct usbnet * const un) | | 685 | usbnet_tx_list_fini(struct usbnet * const un) |
686 | { | | 686 | { |
687 | struct usbnet_cdata * const cd = un_cdata(un); | | 687 | struct usbnet_cdata * const cd = un_cdata(un); |
688 | | | 688 | |
689 | for (size_t i = 0; i < un->un_tx_list_cnt; i++) { | | 689 | for (size_t i = 0; i < un->un_tx_list_cnt; i++) { |
690 | struct usbnet_chain *c = &cd->uncd_tx_chain[i]; | | 690 | struct usbnet_chain *c = &cd->uncd_tx_chain[i]; |
691 | | | 691 | |
692 | if (c->unc_xfer != NULL) { | | 692 | if (c->unc_xfer != NULL) { |
693 | usbd_destroy_xfer(c->unc_xfer); | | 693 | usbd_destroy_xfer(c->unc_xfer); |
694 | c->unc_xfer = NULL; | | 694 | c->unc_xfer = NULL; |
695 | c->unc_buf = NULL; | | 695 | c->unc_buf = NULL; |
696 | } | | 696 | } |
697 | } | | 697 | } |
698 | cd->uncd_tx_prod = cd->uncd_tx_cnt = 0; | | 698 | cd->uncd_tx_prod = cd->uncd_tx_cnt = 0; |
699 | } | | 699 | } |
700 | | | 700 | |
701 | /* End of common TX functions */ | | 701 | /* End of common TX functions */ |
702 | | | 702 | |
703 | /* Endpoint pipe management. */ | | 703 | /* Endpoint pipe management. */ |
704 | | | 704 | |
705 | static void | | 705 | static void |
706 | usbnet_ep_close_pipes(struct usbnet * const un) | | 706 | usbnet_ep_close_pipes(struct usbnet * const un) |
707 | { | | 707 | { |
708 | struct usbnet_private * const unp = un->un_pri; | | 708 | struct usbnet_private * const unp = un->un_pri; |
709 | | | 709 | |
710 | for (size_t i = 0; i < __arraycount(unp->unp_ep); i++) { | | 710 | for (size_t i = 0; i < __arraycount(unp->unp_ep); i++) { |
711 | if (unp->unp_ep[i] == NULL) | | 711 | if (unp->unp_ep[i] == NULL) |
712 | continue; | | 712 | continue; |
713 | usbd_status err = usbd_close_pipe(unp->unp_ep[i]); | | 713 | usbd_status err = usbd_close_pipe(unp->unp_ep[i]); |
714 | if (err) | | 714 | if (err) |
715 | aprint_error_dev(un->un_dev, "close pipe %zu: %s\n", i, | | 715 | aprint_error_dev(un->un_dev, "close pipe %zu: %s\n", i, |
716 | usbd_errstr(err)); | | 716 | usbd_errstr(err)); |
717 | unp->unp_ep[i] = NULL; | | 717 | unp->unp_ep[i] = NULL; |
718 | } | | 718 | } |
719 | } | | 719 | } |
720 | | | 720 | |
721 | static usbd_status | | 721 | static usbd_status |
722 | usbnet_ep_open_pipes(struct usbnet * const un) | | 722 | usbnet_ep_open_pipes(struct usbnet * const un) |
723 | { | | 723 | { |
724 | struct usbnet_intr * const uni = un->un_intr; | | 724 | struct usbnet_intr * const uni = un->un_intr; |
725 | struct usbnet_private * const unp = un->un_pri; | | 725 | struct usbnet_private * const unp = un->un_pri; |
726 | | | 726 | |
727 | for (size_t i = 0; i < __arraycount(unp->unp_ep); i++) { | | 727 | for (size_t i = 0; i < __arraycount(unp->unp_ep); i++) { |
728 | usbd_status err; | | 728 | usbd_status err; |
729 | | | 729 | |
730 | if (un->un_ed[i] == 0) | | 730 | if (un->un_ed[i] == 0) |
731 | continue; | | 731 | continue; |
732 | | | 732 | |
733 | if (i == USBNET_ENDPT_INTR && uni) { | | 733 | if (i == USBNET_ENDPT_INTR && uni) { |
734 | err = usbd_open_pipe_intr(un->un_iface, un->un_ed[i], | | 734 | err = usbd_open_pipe_intr(un->un_iface, un->un_ed[i], |
735 | USBD_EXCLUSIVE_USE | USBD_MPSAFE, &unp->unp_ep[i], un, | | 735 | USBD_EXCLUSIVE_USE | USBD_MPSAFE, &unp->unp_ep[i], un, |
736 | uni->uni_buf, uni->uni_bufsz, usbnet_pipe_intr, | | 736 | uni->uni_buf, uni->uni_bufsz, usbnet_pipe_intr, |
737 | uni->uni_interval); | | 737 | uni->uni_interval); |
738 | } else { | | 738 | } else { |
739 | err = usbd_open_pipe(un->un_iface, un->un_ed[i], | | 739 | err = usbd_open_pipe(un->un_iface, un->un_ed[i], |
740 | USBD_EXCLUSIVE_USE | USBD_MPSAFE, &unp->unp_ep[i]); | | 740 | USBD_EXCLUSIVE_USE | USBD_MPSAFE, &unp->unp_ep[i]); |
741 | } | | 741 | } |
742 | if (err) { | | 742 | if (err) { |
743 | usbnet_ep_close_pipes(un); | | 743 | usbnet_ep_close_pipes(un); |
744 | return err; | | 744 | return err; |
745 | } | | 745 | } |
746 | } | | 746 | } |
747 | | | 747 | |
748 | return USBD_NORMAL_COMPLETION; | | 748 | return USBD_NORMAL_COMPLETION; |
749 | } | | 749 | } |
750 | | | 750 | |
751 | static usbd_status | | 751 | static usbd_status |
752 | usbnet_ep_stop_pipes(struct usbnet * const un) | | 752 | usbnet_ep_stop_pipes(struct usbnet * const un) |
753 | { | | 753 | { |
754 | struct usbnet_private * const unp = un->un_pri; | | 754 | struct usbnet_private * const unp = un->un_pri; |
755 | usbd_status err = USBD_NORMAL_COMPLETION; | | 755 | usbd_status err = USBD_NORMAL_COMPLETION; |
756 | | | 756 | |
757 | for (size_t i = 0; i < __arraycount(unp->unp_ep); i++) { | | 757 | for (size_t i = 0; i < __arraycount(unp->unp_ep); i++) { |
758 | if (unp->unp_ep[i] == NULL) | | 758 | if (unp->unp_ep[i] == NULL) |
759 | continue; | | 759 | continue; |
760 | usbd_status err2 = usbd_abort_pipe(unp->unp_ep[i]); | | 760 | usbd_status err2 = usbd_abort_pipe(unp->unp_ep[i]); |
761 | if (err == USBD_NORMAL_COMPLETION && err2) | | 761 | if (err == USBD_NORMAL_COMPLETION && err2) |
762 | err = err2; | | 762 | err = err2; |
763 | } | | 763 | } |
764 | | | 764 | |
765 | return err; | | 765 | return err; |
766 | } | | 766 | } |
767 | | | 767 | |
768 | int | | 768 | int |
769 | usbnet_init_rx_tx(struct usbnet * const un) | | 769 | usbnet_init_rx_tx(struct usbnet * const un) |
770 | { | | 770 | { |
771 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 771 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
772 | struct usbnet_private * const unp = un->un_pri; | | 772 | struct usbnet_private * const unp = un->un_pri; |
773 | struct ifnet * const ifp = usbnet_ifp(un); | | 773 | struct ifnet * const ifp = usbnet_ifp(un); |
774 | usbd_status err; | | 774 | usbd_status err; |
775 | int error = 0; | | 775 | int error = 0; |
776 | | | 776 | |
777 | usbnet_isowned(un); | | 777 | usbnet_isowned(un); |
778 | | | 778 | |
779 | if (unp->unp_dying) { | | 779 | if (unp->unp_dying) { |
780 | return EIO; | | 780 | return EIO; |
781 | } | | 781 | } |
782 | unp->unp_refcnt++; | | 782 | unp->unp_refcnt++; |
783 | | | 783 | |
784 | /* Open RX and TX pipes. */ | | 784 | /* Open RX and TX pipes. */ |
785 | err = usbnet_ep_open_pipes(un); | | 785 | err = usbnet_ep_open_pipes(un); |
786 | if (err) { | | 786 | if (err) { |
787 | aprint_error_dev(un->un_dev, "open rx/tx pipes failed: %s\n", | | 787 | aprint_error_dev(un->un_dev, "open rx/tx pipes failed: %s\n", |
788 | usbd_errstr(err)); | | 788 | usbd_errstr(err)); |
789 | error = EIO; | | 789 | error = EIO; |
790 | goto out; | | 790 | goto out; |
791 | } | | 791 | } |
792 | | | 792 | |
793 | /* Init RX ring. */ | | 793 | /* Init RX ring. */ |
794 | if (usbnet_rx_list_init(un)) { | | 794 | if (usbnet_rx_list_init(un)) { |
795 | aprint_error_dev(un->un_dev, "rx list init failed\n"); | | 795 | aprint_error_dev(un->un_dev, "rx list init failed\n"); |
796 | error = ENOBUFS; | | 796 | error = ENOBUFS; |
797 | goto out; | | 797 | goto out; |
798 | } | | 798 | } |
799 | | | 799 | |
800 | /* Init TX ring. */ | | 800 | /* Init TX ring. */ |
801 | if (usbnet_tx_list_init(un)) { | | 801 | if (usbnet_tx_list_init(un)) { |
802 | aprint_error_dev(un->un_dev, "tx list init failed\n"); | | 802 | aprint_error_dev(un->un_dev, "tx list init failed\n"); |
803 | error = ENOBUFS; | | 803 | error = ENOBUFS; |
804 | goto out; | | 804 | goto out; |
805 | } | | 805 | } |
806 | | | 806 | |
807 | /* Start up the receive pipe(s). */ | | 807 | /* Start up the receive pipe(s). */ |
808 | usbnet_rx_start_pipes(un); | | 808 | usbnet_rx_start_pipes(un); |
809 | | | 809 | |
810 | /* Indicate we are up and running. */ | | 810 | /* Indicate we are up and running. */ |
811 | #if 0 | | 811 | #if 0 |
812 | /* XXX if_mcast_op() can call this without ifnet locked */ | | 812 | /* XXX if_mcast_op() can call this without ifnet locked */ |
813 | KASSERT(ifp->if_softc == NULL || IFNET_LOCKED(ifp)); | | 813 | KASSERT(ifp->if_softc == NULL || IFNET_LOCKED(ifp)); |
814 | #endif | | 814 | #endif |
815 | ifp->if_flags |= IFF_RUNNING; | | 815 | ifp->if_flags |= IFF_RUNNING; |
816 | | | 816 | |
817 | callout_schedule(&unp->unp_stat_ch, hz); | | 817 | callout_schedule(&unp->unp_stat_ch, hz); |
818 | | | 818 | |
819 | out: | | 819 | out: |
820 | if (error) { | | 820 | if (error) { |
821 | usbnet_rx_list_fini(un); | | 821 | usbnet_rx_list_fini(un); |
822 | usbnet_tx_list_fini(un); | | 822 | usbnet_tx_list_fini(un); |
823 | usbnet_ep_close_pipes(un); | | 823 | usbnet_ep_close_pipes(un); |
824 | } | | 824 | } |
825 | if (--unp->unp_refcnt < 0) | | 825 | if (--unp->unp_refcnt < 0) |
826 | cv_broadcast(&unp->unp_detachcv); | | 826 | cv_broadcast(&unp->unp_detachcv); |
827 | | | 827 | |
828 | usbnet_isowned(un); | | 828 | usbnet_isowned(un); |
829 | | | 829 | |
830 | return error; | | 830 | return error; |
831 | } | | 831 | } |
832 | | | 832 | |
833 | /* MII management. */ | | 833 | /* MII management. */ |
834 | | | 834 | |
835 | /* | | 835 | /* |
836 | * Access functions for MII. Take the MII lock to call access MII regs. | | 836 | * Access functions for MII. Take the MII lock to call access MII regs. |
837 | * Two forms: usbnet (softc) lock currently held or not. | | 837 | * Two forms: usbnet (softc) lock currently held or not. |
838 | */ | | 838 | */ |
839 | void | | 839 | void |
840 | usbnet_lock_mii(struct usbnet *un) | | 840 | usbnet_lock_mii(struct usbnet *un) |
841 | { | | 841 | { |
842 | struct usbnet_private * const unp = un->un_pri; | | 842 | struct usbnet_private * const unp = un->un_pri; |
843 | | | 843 | |
844 | mutex_enter(&unp->unp_lock); | | 844 | mutex_enter(&unp->unp_lock); |
845 | unp->unp_refcnt++; | | 845 | unp->unp_refcnt++; |
846 | mutex_exit(&unp->unp_lock); | | 846 | mutex_exit(&unp->unp_lock); |
847 | | | 847 | |
848 | mutex_enter(&unp->unp_miilock); | | 848 | mutex_enter(&unp->unp_miilock); |
849 | } | | 849 | } |
850 | | | 850 | |
851 | void | | 851 | void |
852 | usbnet_lock_mii_un_locked(struct usbnet *un) | | 852 | usbnet_lock_mii_un_locked(struct usbnet *un) |
853 | { | | 853 | { |
854 | struct usbnet_private * const unp = un->un_pri; | | 854 | struct usbnet_private * const unp = un->un_pri; |
855 | | | 855 | |
856 | usbnet_isowned(un); | | 856 | usbnet_isowned(un); |
857 | | | 857 | |
858 | unp->unp_refcnt++; | | 858 | unp->unp_refcnt++; |
859 | mutex_enter(&unp->unp_miilock); | | 859 | mutex_enter(&unp->unp_miilock); |
860 | } | | 860 | } |
861 | | | 861 | |
862 | void | | 862 | void |
863 | usbnet_unlock_mii(struct usbnet *un) | | 863 | usbnet_unlock_mii(struct usbnet *un) |
864 | { | | 864 | { |
865 | struct usbnet_private * const unp = un->un_pri; | | 865 | struct usbnet_private * const unp = un->un_pri; |
866 | | | 866 | |
867 | mutex_exit(&unp->unp_miilock); | | 867 | mutex_exit(&unp->unp_miilock); |
868 | mutex_enter(&unp->unp_lock); | | 868 | mutex_enter(&unp->unp_lock); |
869 | if (--unp->unp_refcnt < 0) | | 869 | if (--unp->unp_refcnt < 0) |
870 | cv_broadcast(&unp->unp_detachcv); | | 870 | cv_broadcast(&unp->unp_detachcv); |
871 | mutex_exit(&unp->unp_lock); | | 871 | mutex_exit(&unp->unp_lock); |
872 | } | | 872 | } |
873 | | | 873 | |
874 | void | | 874 | void |
875 | usbnet_unlock_mii_un_locked(struct usbnet *un) | | 875 | usbnet_unlock_mii_un_locked(struct usbnet *un) |
876 | { | | 876 | { |
877 | struct usbnet_private * const unp = un->un_pri; | | 877 | struct usbnet_private * const unp = un->un_pri; |
878 | | | 878 | |
879 | usbnet_isowned(un); | | 879 | usbnet_isowned(un); |
880 | | | 880 | |
881 | mutex_exit(&unp->unp_miilock); | | 881 | mutex_exit(&unp->unp_miilock); |
882 | if (--unp->unp_refcnt < 0) | | 882 | if (--unp->unp_refcnt < 0) |
883 | cv_broadcast(&unp->unp_detachcv); | | 883 | cv_broadcast(&unp->unp_detachcv); |
884 | } | | 884 | } |
885 | | | 885 | |
886 | kmutex_t * | | 886 | kmutex_t * |
887 | usbnet_mutex_mii(struct usbnet *un) | | 887 | usbnet_mutex_mii(struct usbnet *un) |
888 | { | | 888 | { |
889 | struct usbnet_private * const unp = un->un_pri; | | 889 | struct usbnet_private * const unp = un->un_pri; |
890 | | | 890 | |
891 | return &unp->unp_miilock; | | 891 | return &unp->unp_miilock; |
892 | } | | 892 | } |
893 | | | 893 | |
894 | int | | 894 | int |
895 | usbnet_mii_readreg(device_t dev, int phy, int reg, uint16_t *val) | | 895 | usbnet_mii_readreg(device_t dev, int phy, int reg, uint16_t *val) |
896 | { | | 896 | { |
897 | USBNETHIST_FUNC(); | | 897 | USBNETHIST_FUNC(); |
898 | struct usbnet * const un = device_private(dev); | | 898 | struct usbnet * const un = device_private(dev); |
899 | struct usbnet_private * const unp = un->un_pri; | | 899 | struct usbnet_private * const unp = un->un_pri; |
900 | int err; | | 900 | int err; |
901 | | | 901 | |
902 | mutex_enter(&unp->unp_lock); | | 902 | mutex_enter(&unp->unp_lock); |
903 | if (unp->unp_dying) { | | 903 | if (unp->unp_dying) { |
904 | mutex_exit(&unp->unp_lock); | | 904 | mutex_exit(&unp->unp_lock); |
905 | return EIO; | | 905 | return EIO; |
906 | } | | 906 | } |
907 | | | 907 | |
908 | usbnet_lock_mii_un_locked(un); | | 908 | usbnet_lock_mii_un_locked(un); |
909 | mutex_exit(&unp->unp_lock); | | 909 | mutex_exit(&unp->unp_lock); |
910 | err = uno_read_reg(un, phy, reg, val); | | 910 | err = uno_read_reg(un, phy, reg, val); |
911 | usbnet_unlock_mii(un); | | 911 | usbnet_unlock_mii(un); |
912 | | | 912 | |
913 | if (err) { | | 913 | if (err) { |
914 | USBNETHIST_CALLARGS("read PHY failed: %d", err, 0, 0, 0); | | 914 | USBNETHIST_CALLARGS("read PHY failed: %d", err, 0, 0, 0); |
915 | return err; | | 915 | return err; |
916 | } | | 916 | } |
917 | | | 917 | |
918 | return 0; | | 918 | return 0; |
919 | } | | 919 | } |
920 | | | 920 | |
921 | int | | 921 | int |
922 | usbnet_mii_writereg(device_t dev, int phy, int reg, uint16_t val) | | 922 | usbnet_mii_writereg(device_t dev, int phy, int reg, uint16_t val) |
923 | { | | 923 | { |
924 | USBNETHIST_FUNC(); | | 924 | USBNETHIST_FUNC(); |
925 | struct usbnet * const un = device_private(dev); | | 925 | struct usbnet * const un = device_private(dev); |
926 | struct usbnet_private * const unp = un->un_pri; | | 926 | struct usbnet_private * const unp = un->un_pri; |
927 | int err; | | 927 | int err; |
928 | | | 928 | |
929 | mutex_enter(&unp->unp_lock); | | 929 | mutex_enter(&unp->unp_lock); |
930 | if (unp->unp_dying) { | | 930 | if (unp->unp_dying) { |
931 | mutex_exit(&unp->unp_lock); | | 931 | mutex_exit(&unp->unp_lock); |
932 | return EIO; | | 932 | return EIO; |
933 | } | | 933 | } |
934 | | | 934 | |
935 | usbnet_lock_mii_un_locked(un); | | 935 | usbnet_lock_mii_un_locked(un); |
936 | mutex_exit(&unp->unp_lock); | | 936 | mutex_exit(&unp->unp_lock); |
937 | err = uno_write_reg(un, phy, reg, val); | | 937 | err = uno_write_reg(un, phy, reg, val); |
938 | usbnet_unlock_mii(un); | | 938 | usbnet_unlock_mii(un); |
939 | | | 939 | |
940 | if (err) { | | 940 | if (err) { |
941 | USBNETHIST_CALLARGS("write PHY failed: %d", err, 0, 0, 0); | | 941 | USBNETHIST_CALLARGS("write PHY failed: %d", err, 0, 0, 0); |
942 | return err; | | 942 | return err; |
943 | } | | 943 | } |
944 | | | 944 | |
945 | return 0; | | 945 | return 0; |
946 | } | | 946 | } |
947 | | | 947 | |
948 | void | | 948 | void |
949 | usbnet_mii_statchg(struct ifnet *ifp) | | 949 | usbnet_mii_statchg(struct ifnet *ifp) |
950 | { | | 950 | { |
951 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 951 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
952 | struct usbnet * const un = ifp->if_softc; | | 952 | struct usbnet * const un = ifp->if_softc; |
953 | | | 953 | |
954 | uno_mii_statchg(un, ifp); | | 954 | uno_mii_statchg(un, ifp); |
955 | } | | 955 | } |
956 | | | 956 | |
957 | static int | | 957 | static int |
958 | usbnet_media_upd(struct ifnet *ifp) | | 958 | usbnet_media_upd(struct ifnet *ifp) |
959 | { | | 959 | { |
960 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 960 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
961 | struct usbnet * const un = ifp->if_softc; | | 961 | struct usbnet * const un = ifp->if_softc; |
962 | struct usbnet_private * const unp = un->un_pri; | | 962 | struct usbnet_private * const unp = un->un_pri; |
963 | struct mii_data * const mii = usbnet_mii(un); | | 963 | struct mii_data * const mii = usbnet_mii(un); |
964 | | | 964 | |
965 | if (unp->unp_dying) | | 965 | if (unp->unp_dying) |
966 | return EIO; | | 966 | return EIO; |
967 | | | 967 | |
968 | unp->unp_link = false; | | 968 | unp->unp_link = false; |
969 | | | 969 | |
970 | if (mii->mii_instance) { | | 970 | if (mii->mii_instance) { |
971 | struct mii_softc *miisc; | | 971 | struct mii_softc *miisc; |
972 | | | 972 | |
973 | LIST_FOREACH(miisc, &mii->mii_phys, mii_list) | | 973 | LIST_FOREACH(miisc, &mii->mii_phys, mii_list) |
974 | mii_phy_reset(miisc); | | 974 | mii_phy_reset(miisc); |
975 | } | | 975 | } |
976 | | | 976 | |
977 | return ether_mediachange(ifp); | | 977 | return ether_mediachange(ifp); |
978 | } | | 978 | } |
979 | | | 979 | |
980 | /* ioctl */ | | 980 | /* ioctl */ |
981 | | | 981 | |
982 | static int | | 982 | static int |
983 | usbnet_ifflags_cb(struct ethercom *ec) | | 983 | usbnet_ifflags_cb(struct ethercom *ec) |
984 | { | | 984 | { |
985 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 985 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
986 | struct ifnet *ifp = &ec->ec_if; | | 986 | struct ifnet *ifp = &ec->ec_if; |
987 | struct usbnet *un = ifp->if_softc; | | 987 | struct usbnet *un = ifp->if_softc; |
988 | struct usbnet_private * const unp = un->un_pri; | | 988 | struct usbnet_private * const unp = un->un_pri; |
989 | int rv = 0; | | 989 | int rv = 0; |
990 | | | 990 | |
991 | mutex_enter(&unp->unp_lock); | | 991 | mutex_enter(&unp->unp_lock); |
992 | | | 992 | |
993 | const int changed = ifp->if_flags ^ unp->unp_if_flags; | | 993 | const int changed = ifp->if_flags ^ unp->unp_if_flags; |
994 | if ((changed & ~(IFF_CANTCHANGE | IFF_DEBUG)) == 0) { | | 994 | if ((changed & ~(IFF_CANTCHANGE | IFF_DEBUG)) == 0) { |
995 | unp->unp_if_flags = ifp->if_flags; | | 995 | unp->unp_if_flags = ifp->if_flags; |
996 | if ((changed & IFF_PROMISC) != 0) | | 996 | if ((changed & IFF_PROMISC) != 0) |
997 | rv = ENETRESET; | | 997 | rv = ENETRESET; |
998 | } else { | | 998 | } else { |
999 | rv = ENETRESET; | | 999 | rv = ENETRESET; |
1000 | } | | 1000 | } |
1001 | | | 1001 | |
1002 | mutex_exit(&unp->unp_lock); | | 1002 | mutex_exit(&unp->unp_lock); |
1003 | | | 1003 | |
1004 | return rv; | | 1004 | return rv; |
1005 | } | | 1005 | } |
1006 | | | 1006 | |
1007 | static int | | 1007 | static int |
1008 | usbnet_ioctl(struct ifnet *ifp, u_long cmd, void *data) | | 1008 | usbnet_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
1009 | { | | 1009 | { |
1010 | USBNETHIST_FUNC(); | | 1010 | USBNETHIST_FUNC(); |
1011 | struct usbnet * const un = ifp->if_softc; | | 1011 | struct usbnet * const un = ifp->if_softc; |
1012 | struct usbnet_private * const unp __unused = un->un_pri; | | 1012 | struct usbnet_private * const unp __unused = un->un_pri; |
1013 | int error; | | 1013 | int error; |
1014 | | | 1014 | |
1015 | USBNETHIST_CALLARGSN(11, "%d: enter %jx data %x", | | 1015 | USBNETHIST_CALLARGSN(11, "%d: enter %jx data %x", |
1016 | unp->unp_number, cmd, (uintptr_t)data, 0); | | 1016 | unp->unp_number, cmd, (uintptr_t)data, 0); |
1017 | | | 1017 | |
1018 | if (un->un_ops->uno_override_ioctl) | | 1018 | if (un->un_ops->uno_override_ioctl) |
1019 | return uno_override_ioctl(un, ifp, cmd, data); | | 1019 | return uno_override_ioctl(un, ifp, cmd, data); |
1020 | | | 1020 | |
1021 | error = ether_ioctl(ifp, cmd, data); | | 1021 | error = ether_ioctl(ifp, cmd, data); |
1022 | if (error == ENETRESET) | | 1022 | if (error == ENETRESET) |
1023 | error = uno_ioctl(un, ifp, cmd, data); | | 1023 | error = uno_ioctl(un, ifp, cmd, data); |
1024 | | | 1024 | |
1025 | return error; | | 1025 | return error; |
1026 | } | | 1026 | } |
1027 | | | 1027 | |
1028 | /* | | 1028 | /* |
1029 | * Generic stop network function: | | 1029 | * Generic stop network function: |
1030 | * - mark as stopping | | 1030 | * - mark as stopping |
1031 | * - call DD routine to stop the device | | 1031 | * - call DD routine to stop the device |
1032 | * - turn off running, timer, statchg callout, link | | 1032 | * - turn off running, timer, statchg callout, link |
1033 | * - stop transfers | | 1033 | * - stop transfers |
1034 | * - free RX and TX resources | | 1034 | * - free RX and TX resources |
1035 | * - close pipes | | 1035 | * - close pipes |
1036 | * | | 1036 | * |
1037 | * usbnet_stop() is exported for drivers to use, expects lock held. | | 1037 | * usbnet_stop() is exported for drivers to use, expects lock held. |
1038 | * | | 1038 | * |
1039 | * usbnet_stop_ifp() is for the if_stop handler. | | 1039 | * usbnet_stop_ifp() is for the if_stop handler. |
1040 | */ | | 1040 | */ |
1041 | void | | 1041 | void |
1042 | usbnet_stop(struct usbnet *un, struct ifnet *ifp, int disable) | | 1042 | usbnet_stop(struct usbnet *un, struct ifnet *ifp, int disable) |
1043 | { | | 1043 | { |
1044 | struct usbnet_private * const unp = un->un_pri; | | 1044 | struct usbnet_private * const unp = un->un_pri; |
1045 | | | 1045 | |
1046 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1046 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1047 | | | 1047 | |
1048 | usbnet_isowned(un); | | 1048 | usbnet_isowned(un); |
1049 | | | 1049 | |
1050 | mutex_enter(&unp->unp_rxlock); | | 1050 | mutex_enter(&unp->unp_rxlock); |
1051 | mutex_enter(&unp->unp_txlock); | | 1051 | mutex_enter(&unp->unp_txlock); |
1052 | unp->unp_stopping = true; | | 1052 | unp->unp_stopping = true; |
1053 | mutex_exit(&unp->unp_txlock); | | 1053 | mutex_exit(&unp->unp_txlock); |
1054 | mutex_exit(&unp->unp_rxlock); | | 1054 | mutex_exit(&unp->unp_rxlock); |
1055 | | | 1055 | |
1056 | uno_stop(un, ifp, disable); | | 1056 | uno_stop(un, ifp, disable); |
1057 | | | 1057 | |
1058 | /* | | 1058 | /* |
1059 | * XXXSMP Would like to | | 1059 | * XXXSMP Would like to |
1060 | * KASSERT(IFNET_LOCKED(ifp)) | | 1060 | * KASSERT(IFNET_LOCKED(ifp)) |
1061 | * here but the locking order is: | | 1061 | * here but the locking order is: |
1062 | * ifnet -> unlock -> rxlock -> txlock | | 1062 | * ifnet -> unlock -> rxlock -> txlock |
1063 | * and unlock is already held. | | 1063 | * and unlock is already held. |
1064 | */ | | 1064 | */ |
1065 | ifp->if_flags &= ~IFF_RUNNING; | | 1065 | ifp->if_flags &= ~IFF_RUNNING; |
1066 | unp->unp_timer = 0; | | 1066 | unp->unp_timer = 0; |
1067 | | | 1067 | |
1068 | callout_stop(&unp->unp_stat_ch); | | 1068 | callout_stop(&unp->unp_stat_ch); |
1069 | | | 1069 | |
1070 | /* Stop transfers. */ | | 1070 | /* Stop transfers. */ |
1071 | usbnet_ep_stop_pipes(un); | | 1071 | usbnet_ep_stop_pipes(un); |
1072 | | | 1072 | |
1073 | /* Free RX/TX resources. */ | | 1073 | /* Free RX/TX resources. */ |
1074 | usbnet_rx_list_fini(un); | | 1074 | usbnet_rx_list_fini(un); |
1075 | usbnet_tx_list_fini(un); | | 1075 | usbnet_tx_list_fini(un); |
1076 | | | 1076 | |
1077 | /* Close pipes. */ | | 1077 | /* Close pipes. */ |
1078 | usbnet_ep_close_pipes(un); | | 1078 | usbnet_ep_close_pipes(un); |
1079 | } | | 1079 | } |
1080 | | | 1080 | |
1081 | static void | | 1081 | static void |
1082 | usbnet_stop_ifp(struct ifnet *ifp, int disable) | | 1082 | usbnet_stop_ifp(struct ifnet *ifp, int disable) |
1083 | { | | 1083 | { |
1084 | struct usbnet * const un = ifp->if_softc; | | 1084 | struct usbnet * const un = ifp->if_softc; |
1085 | struct usbnet_private * const unp = un->un_pri; | | 1085 | struct usbnet_private * const unp = un->un_pri; |
1086 | | | 1086 | |
1087 | mutex_enter(&unp->unp_lock); | | 1087 | mutex_enter(&unp->unp_lock); |
1088 | usbnet_stop(un, ifp, disable); | | 1088 | usbnet_stop(un, ifp, disable); |
1089 | mutex_exit(&unp->unp_lock); | | 1089 | mutex_exit(&unp->unp_lock); |
1090 | } | | 1090 | } |
1091 | | | 1091 | |
1092 | /* | | 1092 | /* |
1093 | * Generic tick task function. | | 1093 | * Generic tick task function. |
1094 | * | | 1094 | * |
1095 | * usbnet_tick() is triggered from a callout, and triggers a call to | | 1095 | * usbnet_tick() is triggered from a callout, and triggers a call to |
1096 | * usbnet_tick_task() from the usb_task subsystem. | | 1096 | * usbnet_tick_task() from the usb_task subsystem. |
1097 | */ | | 1097 | */ |
1098 | static void | | 1098 | static void |
1099 | usbnet_tick(void *arg) | | 1099 | usbnet_tick(void *arg) |
1100 | { | | 1100 | { |
1101 | struct usbnet * const un = arg; | | 1101 | struct usbnet * const un = arg; |
1102 | struct usbnet_private * const unp = un->un_pri; | | 1102 | struct usbnet_private * const unp = un->un_pri; |
1103 | | | 1103 | |
1104 | mutex_enter(&unp->unp_lock); | | 1104 | mutex_enter(&unp->unp_lock); |
1105 | if (!unp->unp_stopping && !unp->unp_dying) { | | 1105 | if (!unp->unp_stopping && !unp->unp_dying) { |
1106 | /* Perform periodic stuff in process context */ | | 1106 | /* Perform periodic stuff in process context */ |
1107 | usb_add_task(un->un_udev, &unp->unp_ticktask, USB_TASKQ_DRIVER); | | 1107 | usb_add_task(un->un_udev, &unp->unp_ticktask, USB_TASKQ_DRIVER); |
1108 | } | | 1108 | } |
1109 | mutex_exit(&unp->unp_lock); | | 1109 | mutex_exit(&unp->unp_lock); |
1110 | } | | 1110 | } |
1111 | | | 1111 | |
1112 | static void | | 1112 | static void |
1113 | usbnet_watchdog(struct ifnet *ifp) | | 1113 | usbnet_watchdog(struct ifnet *ifp) |
1114 | { | | 1114 | { |
1115 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1115 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1116 | struct usbnet * const un = ifp->if_softc; | | 1116 | struct usbnet * const un = ifp->if_softc; |
1117 | struct usbnet_private * const unp = un->un_pri; | | 1117 | struct usbnet_private * const unp = un->un_pri; |
1118 | struct usbnet_cdata * const cd = un_cdata(un); | | 1118 | struct usbnet_cdata * const cd = un_cdata(un); |
1119 | usbd_status err; | | 1119 | usbd_status err; |
1120 | | | 1120 | |
1121 | ifp->if_oerrors++; | | 1121 | ifp->if_oerrors++; |
1122 | aprint_error_dev(un->un_dev, "watchdog timeout\n"); | | 1122 | aprint_error_dev(un->un_dev, "watchdog timeout\n"); |
1123 | | | 1123 | |
1124 | if (cd->uncd_tx_cnt > 0) { | | 1124 | if (cd->uncd_tx_cnt > 0) { |
1125 | DPRINTF("uncd_tx_cnt=%u non zero, aborting pipe", 0, 0, 0, 0); | | 1125 | DPRINTF("uncd_tx_cnt=%u non zero, aborting pipe", 0, 0, 0, 0); |
1126 | err = usbd_abort_pipe(unp->unp_ep[USBNET_ENDPT_TX]); | | 1126 | err = usbd_abort_pipe(unp->unp_ep[USBNET_ENDPT_TX]); |
1127 | if (err) | | 1127 | if (err) |
1128 | aprint_error_dev(un->un_dev, "pipe abort failed: %s\n", | | 1128 | aprint_error_dev(un->un_dev, "pipe abort failed: %s\n", |
1129 | usbd_errstr(err)); | | 1129 | usbd_errstr(err)); |
1130 | if (cd->uncd_tx_cnt != 0) | | 1130 | if (cd->uncd_tx_cnt != 0) |
1131 | DPRINTF("uncd_tx_cnt now %u", cd->uncd_tx_cnt, 0, 0, 0); | | 1131 | DPRINTF("uncd_tx_cnt now %u", cd->uncd_tx_cnt, 0, 0, 0); |
1132 | } | | 1132 | } |
1133 | | | 1133 | |
1134 | if (!IFQ_IS_EMPTY(&ifp->if_snd)) | | 1134 | if (!IFQ_IS_EMPTY(&ifp->if_snd)) |
1135 | (*ifp->if_start)(ifp); | | 1135 | (*ifp->if_start)(ifp); |
1136 | } | | 1136 | } |
1137 | | | 1137 | |
1138 | static void | | 1138 | static void |
1139 | usbnet_tick_task(void *arg) | | 1139 | usbnet_tick_task(void *arg) |
1140 | { | | 1140 | { |
1141 | struct usbnet * const un = arg; | | 1141 | struct usbnet * const un = arg; |
1142 | struct usbnet_private * const unp = un->un_pri; | | 1142 | struct usbnet_private * const unp = un->un_pri; |
1143 | | | 1143 | |
1144 | mutex_enter(&unp->unp_lock); | | 1144 | mutex_enter(&unp->unp_lock); |
1145 | if (unp->unp_stopping || unp->unp_dying) { | | 1145 | if (unp->unp_stopping || unp->unp_dying) { |
1146 | mutex_exit(&unp->unp_lock); | | 1146 | mutex_exit(&unp->unp_lock); |
1147 | return; | | 1147 | return; |
1148 | } | | 1148 | } |
1149 | | | 1149 | |
1150 | struct ifnet * const ifp = usbnet_ifp(un); | | 1150 | struct ifnet * const ifp = usbnet_ifp(un); |
1151 | struct mii_data * const mii = usbnet_mii(un); | | 1151 | struct mii_data * const mii = usbnet_mii(un); |
1152 | | | 1152 | |
1153 | unp->unp_refcnt++; | | 1153 | unp->unp_refcnt++; |
1154 | mutex_exit(&unp->unp_lock); | | 1154 | mutex_exit(&unp->unp_lock); |
1155 | | | 1155 | |
1156 | if (ifp && unp->unp_timer != 0 && --unp->unp_timer == 0) | | 1156 | if (ifp && unp->unp_timer != 0 && --unp->unp_timer == 0) |
1157 | usbnet_watchdog(ifp); | | 1157 | usbnet_watchdog(ifp); |
1158 | | | 1158 | |
1159 | if (mii && ifp) { | | 1159 | if (mii && ifp) { |
1160 | mii_tick(mii); | | 1160 | mii_tick(mii); |
1161 | | | 1161 | |
1162 | if (!unp->unp_link) | | 1162 | if (!unp->unp_link) |
1163 | (*mii->mii_statchg)(ifp); | | 1163 | (*mii->mii_statchg)(ifp); |
1164 | } | | 1164 | } |
1165 | | | 1165 | |
1166 | /* Call driver if requested. */ | | 1166 | /* Call driver if requested. */ |
1167 | uno_tick(un); | | 1167 | uno_tick(un); |
1168 | | | 1168 | |
1169 | mutex_enter(&unp->unp_lock); | | 1169 | mutex_enter(&unp->unp_lock); |
1170 | if (--unp->unp_refcnt < 0) | | 1170 | if (--unp->unp_refcnt < 0) |
1171 | cv_broadcast(&unp->unp_detachcv); | | 1171 | cv_broadcast(&unp->unp_detachcv); |
1172 | if (!unp->unp_stopping && !unp->unp_dying) | | 1172 | if (!unp->unp_stopping && !unp->unp_dying) |
1173 | callout_schedule(&unp->unp_stat_ch, hz); | | 1173 | callout_schedule(&unp->unp_stat_ch, hz); |
1174 | mutex_exit(&unp->unp_lock); | | 1174 | mutex_exit(&unp->unp_lock); |
1175 | } | | 1175 | } |
1176 | | | 1176 | |
1177 | static int | | 1177 | static int |
1178 | usbnet_init(struct ifnet *ifp) | | 1178 | usbnet_init(struct ifnet *ifp) |
1179 | { | | 1179 | { |
1180 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1180 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1181 | struct usbnet * const un = ifp->if_softc; | | 1181 | struct usbnet * const un = ifp->if_softc; |
1182 | | | 1182 | |
1183 | return uno_init(un, ifp); | | 1183 | return uno_init(un, ifp); |
1184 | } | | 1184 | } |
1185 | | | 1185 | |
1186 | | | 1186 | |
1187 | /* Various accessors. */ | | 1187 | /* Various accessors. */ |
1188 | | | 1188 | |
1189 | void | | 1189 | void |
1190 | usbnet_set_link(struct usbnet *un, bool link) | | 1190 | usbnet_set_link(struct usbnet *un, bool link) |
1191 | { | | 1191 | { |
1192 | un->un_pri->unp_link = link; | | 1192 | un->un_pri->unp_link = link; |
1193 | } | | 1193 | } |
1194 | | | 1194 | |
1195 | void | | 1195 | void |
1196 | usbnet_set_dying(struct usbnet *un, bool link) | | 1196 | usbnet_set_dying(struct usbnet *un, bool link) |
1197 | { | | 1197 | { |
1198 | un->un_pri->unp_dying = link; | | 1198 | un->un_pri->unp_dying = link; |
1199 | } | | 1199 | } |
1200 | | | 1200 | |
1201 | struct ifnet * | | 1201 | struct ifnet * |
1202 | usbnet_ifp(struct usbnet *un) | | 1202 | usbnet_ifp(struct usbnet *un) |
1203 | { | | 1203 | { |
1204 | return &un->un_pri->unp_ec.ec_if; | | 1204 | return &un->un_pri->unp_ec.ec_if; |
1205 | } | | 1205 | } |
1206 | | | 1206 | |
1207 | struct ethercom * | | 1207 | struct ethercom * |
1208 | usbnet_ec(struct usbnet *un) | | 1208 | usbnet_ec(struct usbnet *un) |
1209 | { | | 1209 | { |
1210 | return &un->un_pri->unp_ec; | | 1210 | return &un->un_pri->unp_ec; |
1211 | } | | 1211 | } |
1212 | | | 1212 | |
1213 | struct mii_data * | | 1213 | struct mii_data * |
1214 | usbnet_mii(struct usbnet *un) | | 1214 | usbnet_mii(struct usbnet *un) |
1215 | { | | 1215 | { |
1216 | return un->un_pri->unp_ec.ec_mii; | | 1216 | return un->un_pri->unp_ec.ec_mii; |
1217 | } | | 1217 | } |
1218 | | | 1218 | |
1219 | krndsource_t * | | 1219 | krndsource_t * |
1220 | usbnet_rndsrc(struct usbnet *un) | | 1220 | usbnet_rndsrc(struct usbnet *un) |
1221 | { | | 1221 | { |
1222 | return &un->un_pri->unp_rndsrc; | | 1222 | return &un->un_pri->unp_rndsrc; |
1223 | } | | 1223 | } |
1224 | | | 1224 | |
1225 | void * | | 1225 | void * |
1226 | usbnet_softc(struct usbnet *un) | | 1226 | usbnet_softc(struct usbnet *un) |
1227 | { | | 1227 | { |
1228 | //return un->un_pri->unp_sc; | | 1228 | //return un->un_pri->unp_sc; |
1229 | return un->un_sc; | | 1229 | return un->un_sc; |
1230 | } | | 1230 | } |
1231 | | | 1231 | |
1232 | bool | | 1232 | bool |
1233 | usbnet_havelink(struct usbnet *un) | | 1233 | usbnet_havelink(struct usbnet *un) |
1234 | { | | 1234 | { |
1235 | return un->un_pri->unp_link; | | 1235 | return un->un_pri->unp_link; |
1236 | } | | 1236 | } |
1237 | | | 1237 | |
1238 | bool | | 1238 | bool |
1239 | usbnet_isdying(struct usbnet *un) | | 1239 | usbnet_isdying(struct usbnet *un) |
1240 | { | | 1240 | { |
1241 | return un->un_pri->unp_dying; | | 1241 | return un->un_pri->unp_dying; |
1242 | } | | 1242 | } |
1243 | | | 1243 | |
1244 | | | 1244 | |
1245 | /* Locking. */ | | 1245 | /* Locking. */ |
1246 | | | 1246 | |
1247 | void | | 1247 | void |
1248 | usbnet_lock(struct usbnet *un) | | 1248 | usbnet_lock(struct usbnet *un) |
1249 | { | | 1249 | { |
1250 | mutex_enter(&un->un_pri->unp_lock); | | 1250 | mutex_enter(&un->un_pri->unp_lock); |
1251 | } | | 1251 | } |
1252 | | | 1252 | |
1253 | void | | 1253 | void |
1254 | usbnet_unlock(struct usbnet *un) | | 1254 | usbnet_unlock(struct usbnet *un) |
1255 | { | | 1255 | { |
1256 | mutex_exit(&un->un_pri->unp_lock); | | 1256 | mutex_exit(&un->un_pri->unp_lock); |
1257 | } | | 1257 | } |
1258 | | | 1258 | |
1259 | kmutex_t * | | 1259 | kmutex_t * |
1260 | usbnet_mutex(struct usbnet *un) | | 1260 | usbnet_mutex(struct usbnet *un) |
1261 | { | | 1261 | { |
1262 | return &un->un_pri->unp_lock; | | 1262 | return &un->un_pri->unp_lock; |
1263 | } | | 1263 | } |
1264 | | | 1264 | |
1265 | void | | 1265 | void |
1266 | usbnet_lock_rx(struct usbnet *un) | | 1266 | usbnet_lock_rx(struct usbnet *un) |
1267 | { | | 1267 | { |
1268 | mutex_enter(&un->un_pri->unp_rxlock); | | 1268 | mutex_enter(&un->un_pri->unp_rxlock); |
1269 | } | | 1269 | } |
1270 | | | 1270 | |
1271 | void | | 1271 | void |
1272 | usbnet_unlock_rx(struct usbnet *un) | | 1272 | usbnet_unlock_rx(struct usbnet *un) |
1273 | { | | 1273 | { |
1274 | mutex_exit(&un->un_pri->unp_rxlock); | | 1274 | mutex_exit(&un->un_pri->unp_rxlock); |
1275 | } | | 1275 | } |
1276 | | | 1276 | |
1277 | kmutex_t * | | 1277 | kmutex_t * |
1278 | usbnet_mutex_rx(struct usbnet *un) | | 1278 | usbnet_mutex_rx(struct usbnet *un) |
1279 | { | | 1279 | { |
1280 | return &un->un_pri->unp_rxlock; | | 1280 | return &un->un_pri->unp_rxlock; |
1281 | } | | 1281 | } |
1282 | | | 1282 | |
1283 | void | | 1283 | void |
1284 | usbnet_lock_tx(struct usbnet *un) | | 1284 | usbnet_lock_tx(struct usbnet *un) |
1285 | { | | 1285 | { |
1286 | mutex_enter(&un->un_pri->unp_txlock); | | 1286 | mutex_enter(&un->un_pri->unp_txlock); |
1287 | } | | 1287 | } |
1288 | | | 1288 | |
1289 | void | | 1289 | void |
1290 | usbnet_unlock_tx(struct usbnet *un) | | 1290 | usbnet_unlock_tx(struct usbnet *un) |
1291 | { | | 1291 | { |
1292 | mutex_exit(&un->un_pri->unp_txlock); | | 1292 | mutex_exit(&un->un_pri->unp_txlock); |
1293 | } | | 1293 | } |
1294 | | | 1294 | |
1295 | kmutex_t * | | 1295 | kmutex_t * |
1296 | usbnet_mutex_tx(struct usbnet *un) | | 1296 | usbnet_mutex_tx(struct usbnet *un) |
1297 | { | | 1297 | { |
1298 | return &un->un_pri->unp_txlock; | | 1298 | return &un->un_pri->unp_txlock; |
1299 | } | | 1299 | } |
1300 | | | 1300 | |
1301 | /* Autoconf management. */ | | 1301 | /* Autoconf management. */ |
1302 | | | 1302 | |
1303 | static bool | | 1303 | static bool |
1304 | usbnet_empty_eaddr(struct usbnet * const un) | | 1304 | usbnet_empty_eaddr(struct usbnet * const un) |
1305 | { | | 1305 | { |
1306 | return (un->un_eaddr[0] == 0 && un->un_eaddr[1] == 0 && | | 1306 | return (un->un_eaddr[0] == 0 && un->un_eaddr[1] == 0 && |
1307 | un->un_eaddr[2] == 0 && un->un_eaddr[3] == 0 && | | 1307 | un->un_eaddr[2] == 0 && un->un_eaddr[3] == 0 && |
1308 | un->un_eaddr[4] == 0 && un->un_eaddr[5] == 0); | | 1308 | un->un_eaddr[4] == 0 && un->un_eaddr[5] == 0); |
1309 | } | | 1309 | } |
1310 | | | 1310 | |
1311 | /* | | 1311 | /* |
1312 | * usbnet_attach() and usbnet_attach_ifp() perform setup of the relevant | | 1312 | * usbnet_attach() and usbnet_attach_ifp() perform setup of the relevant |
1313 | * 'usbnet'. The first is enough to enable device access (eg, endpoints | | 1313 | * 'usbnet'. The first is enough to enable device access (eg, endpoints |
1314 | * are connected and commands can be sent), and the second connects the | | 1314 | * are connected and commands can be sent), and the second connects the |
1315 | * device to the system networking. | | 1315 | * device to the system networking. |
1316 | * | | 1316 | * |
1317 | * Always call usbnet_detach(), even if usbnet_attach_ifp() is skippped. | | 1317 | * Always call usbnet_detach(), even if usbnet_attach_ifp() is skippped. |
1318 | * Also usable as driver detach directly. | | 1318 | * Also usable as driver detach directly. |
1319 | * | | 1319 | * |
1320 | * To skip ethernet configuration (eg, point-to-point), make sure that | | 1320 | * To skip ethernet configuration (eg, point-to-point), make sure that |
1321 | * the un_eaddr[] is fully zero. | | 1321 | * the un_eaddr[] is fully zero. |
1322 | */ | | 1322 | */ |
1323 | | | 1323 | |
1324 | void | | 1324 | void |
1325 | usbnet_attach(struct usbnet *un, | | 1325 | usbnet_attach(struct usbnet *un, |
1326 | const char *detname) /* detach cv name */ | | 1326 | const char *detname) /* detach cv name */ |
1327 | { | | 1327 | { |
1328 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1328 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1329 | | | 1329 | |
1330 | /* Required inputs. */ | | 1330 | /* Required inputs. */ |
1331 | KASSERT(un->un_ops->uno_tx_prepare); | | 1331 | KASSERT(un->un_ops->uno_tx_prepare); |
1332 | KASSERT(un->un_ops->uno_rx_loop); | | 1332 | KASSERT(un->un_ops->uno_rx_loop); |
1333 | KASSERT(un->un_ops->uno_init); | | 1333 | KASSERT(un->un_ops->uno_init); |
1334 | KASSERT(un->un_rx_bufsz); | | 1334 | KASSERT(un->un_rx_bufsz); |
1335 | KASSERT(un->un_tx_bufsz); | | 1335 | KASSERT(un->un_tx_bufsz); |
1336 | KASSERT(un->un_rx_list_cnt); | | 1336 | KASSERT(un->un_rx_list_cnt); |
1337 | KASSERT(un->un_tx_list_cnt); | | 1337 | KASSERT(un->un_tx_list_cnt); |
1338 | | | 1338 | |
1339 | /* Unfortunate fact. */ | | 1339 | /* Unfortunate fact. */ |
1340 | KASSERT(un == device_private(un->un_dev)); | | 1340 | KASSERT(un == device_private(un->un_dev)); |
1341 | | | 1341 | |
1342 | un->un_pri = kmem_zalloc(sizeof(*un->un_pri), KM_SLEEP); | | 1342 | un->un_pri = kmem_zalloc(sizeof(*un->un_pri), KM_SLEEP); |
1343 | struct usbnet_private * const unp = un->un_pri; | | 1343 | struct usbnet_private * const unp = un->un_pri; |
1344 | | | 1344 | |
1345 | usb_init_task(&unp->unp_ticktask, usbnet_tick_task, un, USB_TASKQ_MPSAFE); | | 1345 | usb_init_task(&unp->unp_ticktask, usbnet_tick_task, un, USB_TASKQ_MPSAFE); |
1346 | callout_init(&unp->unp_stat_ch, CALLOUT_MPSAFE); | | 1346 | callout_init(&unp->unp_stat_ch, CALLOUT_MPSAFE); |
1347 | callout_setfunc(&unp->unp_stat_ch, usbnet_tick, un); | | 1347 | callout_setfunc(&unp->unp_stat_ch, usbnet_tick, un); |
1348 | | | 1348 | |
1349 | mutex_init(&unp->unp_miilock, MUTEX_DEFAULT, IPL_NONE); | | 1349 | mutex_init(&unp->unp_miilock, MUTEX_DEFAULT, IPL_NONE); |
1350 | mutex_init(&unp->unp_txlock, MUTEX_DEFAULT, IPL_SOFTUSB); | | 1350 | mutex_init(&unp->unp_txlock, MUTEX_DEFAULT, IPL_SOFTUSB); |
1351 | mutex_init(&unp->unp_rxlock, MUTEX_DEFAULT, IPL_SOFTUSB); | | 1351 | mutex_init(&unp->unp_rxlock, MUTEX_DEFAULT, IPL_SOFTUSB); |
1352 | mutex_init(&unp->unp_lock, MUTEX_DEFAULT, IPL_NONE); | | 1352 | mutex_init(&unp->unp_lock, MUTEX_DEFAULT, IPL_NONE); |
1353 | cv_init(&unp->unp_detachcv, detname); | | 1353 | cv_init(&unp->unp_detachcv, detname); |
1354 | | | 1354 | |
1355 | rnd_attach_source(&unp->unp_rndsrc, device_xname(un->un_dev), | | 1355 | rnd_attach_source(&unp->unp_rndsrc, device_xname(un->un_dev), |
1356 | RND_TYPE_NET, RND_FLAG_DEFAULT); | | 1356 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
1357 | | | 1357 | |
1358 | usbnet_rx_list_alloc(un); | | 1358 | usbnet_rx_list_alloc(un); |
1359 | usbnet_tx_list_alloc(un); | | 1359 | usbnet_tx_list_alloc(un); |
1360 | | | 1360 | |
1361 | unp->unp_number = atomic_inc_uint_nv(&usbnet_number); | | 1361 | unp->unp_number = atomic_inc_uint_nv(&usbnet_number); |
1362 | | | 1362 | |
1363 | unp->unp_attached = true; | | 1363 | unp->unp_attached = true; |
1364 | } | | 1364 | } |
1365 | | | 1365 | |
1366 | static void | | 1366 | static void |
1367 | usbnet_attach_mii(struct usbnet *un, const struct usbnet_mii *unm) | | 1367 | usbnet_attach_mii(struct usbnet *un, const struct usbnet_mii *unm) |
1368 | { | | 1368 | { |
1369 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1369 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1370 | struct usbnet_private * const unp = un->un_pri; | | 1370 | struct usbnet_private * const unp = un->un_pri; |
1371 | struct mii_data * const mii = &unp->unp_mii; | | 1371 | struct mii_data * const mii = &unp->unp_mii; |
1372 | struct ifnet * const ifp = usbnet_ifp(un); | | 1372 | struct ifnet * const ifp = usbnet_ifp(un); |
1373 | | | 1373 | |
1374 | KASSERT(un->un_ops->uno_read_reg); | | 1374 | KASSERT(un->un_ops->uno_read_reg); |
1375 | KASSERT(un->un_ops->uno_write_reg); | | 1375 | KASSERT(un->un_ops->uno_write_reg); |
1376 | KASSERT(un->un_ops->uno_statchg); | | 1376 | KASSERT(un->un_ops->uno_statchg); |
1377 | | | 1377 | |
1378 | mii->mii_ifp = ifp; | | 1378 | mii->mii_ifp = ifp; |
1379 | mii->mii_readreg = usbnet_mii_readreg; | | 1379 | mii->mii_readreg = usbnet_mii_readreg; |
1380 | mii->mii_writereg = usbnet_mii_writereg; | | 1380 | mii->mii_writereg = usbnet_mii_writereg; |
1381 | mii->mii_statchg = usbnet_mii_statchg; | | 1381 | mii->mii_statchg = usbnet_mii_statchg; |
1382 | mii->mii_flags = MIIF_AUTOTSLEEP; | | 1382 | mii->mii_flags = MIIF_AUTOTSLEEP; |
1383 | | | 1383 | |
1384 | usbnet_ec(un)->ec_mii = mii; | | 1384 | usbnet_ec(un)->ec_mii = mii; |
1385 | ifmedia_init(&mii->mii_media, 0, usbnet_media_upd, ether_mediastatus); | | 1385 | ifmedia_init(&mii->mii_media, 0, usbnet_media_upd, ether_mediastatus); |
1386 | mii_attach(un->un_dev, mii, unm->un_mii_capmask, unm->un_mii_phyloc, | | 1386 | mii_attach(un->un_dev, mii, unm->un_mii_capmask, unm->un_mii_phyloc, |
1387 | unm->un_mii_offset, unm->un_mii_flags); | | 1387 | unm->un_mii_offset, unm->un_mii_flags); |
1388 | | | 1388 | |
1389 | if (LIST_FIRST(&mii->mii_phys) == NULL) { | | 1389 | if (LIST_FIRST(&mii->mii_phys) == NULL) { |
1390 | ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); | | 1390 | ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); |
1391 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); | | 1391 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); |
1392 | } else | | 1392 | } else |
1393 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); | | 1393 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); |
1394 | } | | 1394 | } |
1395 | | | 1395 | |
1396 | void | | 1396 | void |
1397 | usbnet_attach_ifp(struct usbnet *un, | | 1397 | usbnet_attach_ifp(struct usbnet *un, |
1398 | unsigned if_flags, /* additional if_flags */ | | 1398 | unsigned if_flags, /* additional if_flags */ |
1399 | unsigned if_extflags, /* additional if_extflags */ | | 1399 | unsigned if_extflags, /* additional if_extflags */ |
1400 | const struct usbnet_mii *unm) /* additional mii_attach flags */ | | 1400 | const struct usbnet_mii *unm) /* additional mii_attach flags */ |
1401 | { | | 1401 | { |
1402 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1402 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1403 | struct usbnet_private * const unp = un->un_pri; | | 1403 | struct usbnet_private * const unp = un->un_pri; |
1404 | struct ifnet * const ifp = usbnet_ifp(un); | | 1404 | struct ifnet * const ifp = usbnet_ifp(un); |
1405 | | | 1405 | |
1406 | KASSERT(unp->unp_attached); | | 1406 | KASSERT(unp->unp_attached); |
1407 | | | 1407 | |
1408 | strlcpy(ifp->if_xname, device_xname(un->un_dev), IFNAMSIZ); | | 1408 | strlcpy(ifp->if_xname, device_xname(un->un_dev), IFNAMSIZ); |
1409 | ifp->if_flags = if_flags; | | 1409 | ifp->if_flags = if_flags; |
1410 | ifp->if_extflags = IFEF_MPSAFE | if_extflags; | | 1410 | ifp->if_extflags = IFEF_MPSAFE | if_extflags; |
1411 | ifp->if_ioctl = usbnet_ioctl; | | 1411 | ifp->if_ioctl = usbnet_ioctl; |
1412 | ifp->if_start = usbnet_start; | | 1412 | ifp->if_start = usbnet_start; |
1413 | ifp->if_init = usbnet_init; | | 1413 | ifp->if_init = usbnet_init; |
1414 | ifp->if_stop = usbnet_stop_ifp; | | 1414 | ifp->if_stop = usbnet_stop_ifp; |
1415 | | | 1415 | |
1416 | if (unm) | | 1416 | if (unm) |
1417 | usbnet_attach_mii(un, unm); | | 1417 | usbnet_attach_mii(un, unm); |
1418 | else | | 1418 | else |
1419 | unp->unp_link = true; | | 1419 | unp->unp_link = true; |
1420 | | | 1420 | |
1421 | /* Attach the interface. */ | | 1421 | /* Attach the interface. */ |
1422 | int rv = if_initialize(ifp); | | 1422 | int rv = if_initialize(ifp); |
1423 | if (rv != 0) { | | 1423 | if (rv != 0) { |
1424 | aprint_error_dev(un->un_dev, "if_initialize failed(%d)\n", rv); | | 1424 | aprint_error_dev(un->un_dev, "if_initialize failed(%d)\n", rv); |
1425 | return; | | 1425 | return; |
1426 | } | | 1426 | } |
1427 | if (ifp->_if_input == NULL) | | 1427 | if (ifp->_if_input == NULL) |
1428 | ifp->if_percpuq = if_percpuq_create(ifp); | | 1428 | ifp->if_percpuq = if_percpuq_create(ifp); |
1429 | if_register(ifp); | | 1429 | if_register(ifp); |
1430 | | | 1430 | |
1431 | /* | | 1431 | /* |
1432 | * If ethernet address is all zero, skip ether_ifattach() and | | 1432 | * If ethernet address is all zero, skip ether_ifattach() and |
1433 | * instead attach bpf here.. | | 1433 | * instead attach bpf here.. |
1434 | */ | | 1434 | */ |
1435 | if (!usbnet_empty_eaddr(un)) { | | 1435 | if (!usbnet_empty_eaddr(un)) { |
1436 | ether_set_ifflags_cb(&unp->unp_ec, usbnet_ifflags_cb); | | 1436 | ether_set_ifflags_cb(&unp->unp_ec, usbnet_ifflags_cb); |
1437 | aprint_normal_dev(un->un_dev, "Ethernet address %s\n", | | 1437 | aprint_normal_dev(un->un_dev, "Ethernet address %s\n", |
1438 | ether_sprintf(un->un_eaddr)); | | 1438 | ether_sprintf(un->un_eaddr)); |
1439 | ether_ifattach(ifp, un->un_eaddr); | | 1439 | ether_ifattach(ifp, un->un_eaddr); |
1440 | } else { | | 1440 | } else { |
1441 | if_alloc_sadl(ifp); | | 1441 | if_alloc_sadl(ifp); |
1442 | bpf_attach(ifp, DLT_RAW, 0); | | 1442 | bpf_attach(ifp, DLT_RAW, 0); |
1443 | } | | 1443 | } |
1444 | | | 1444 | |
1445 | /* Now ready, and attached. */ | | 1445 | /* Now ready, and attached. */ |
1446 | IFQ_SET_READY(&ifp->if_snd); | | 1446 | IFQ_SET_READY(&ifp->if_snd); |
1447 | ifp->if_softc = un; | | 1447 | ifp->if_softc = un; |
1448 | | | 1448 | |
1449 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, un->un_udev, un->un_dev); | | 1449 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, un->un_udev, un->un_dev); |
1450 | | | 1450 | |
1451 | if (!pmf_device_register(un->un_dev, NULL, NULL)) | | 1451 | if (!pmf_device_register(un->un_dev, NULL, NULL)) |
1452 | aprint_error_dev(un->un_dev, "couldn't establish power handler\n"); | | 1452 | aprint_error_dev(un->un_dev, "couldn't establish power handler\n"); |
1453 | } | | 1453 | } |
1454 | | | 1454 | |
1455 | int | | 1455 | int |
1456 | usbnet_detach(device_t self, int flags) | | 1456 | usbnet_detach(device_t self, int flags) |
1457 | { | | 1457 | { |
1458 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1458 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1459 | struct usbnet * const un = device_private(self); | | 1459 | struct usbnet * const un = device_private(self); |
| | | 1460 | struct usbnet_private * const unp = un->un_pri; |
| | | 1461 | |
| | | 1462 | /* Detached before attached finished, so just bail out. */ |
| | | 1463 | if (unp == NULL || !unp->unp_attached) |
| | | 1464 | return 0; |
| | | 1465 | |
1460 | struct ifnet * const ifp = usbnet_ifp(un); | | 1466 | struct ifnet * const ifp = usbnet_ifp(un); |
1461 | struct mii_data * const mii = usbnet_mii(un); | | 1467 | struct mii_data * const mii = usbnet_mii(un); |
1462 | struct usbnet_private * const unp = un->un_pri; | | | |
1463 | | | 1468 | |
1464 | mutex_enter(&unp->unp_lock); | | 1469 | mutex_enter(&unp->unp_lock); |
1465 | unp->unp_dying = true; | | 1470 | unp->unp_dying = true; |
1466 | mutex_exit(&unp->unp_lock); | | 1471 | mutex_exit(&unp->unp_lock); |
1467 | | | 1472 | |
1468 | /* Detached before attached finished, so just bail out. */ | | | |
1469 | if (!unp->unp_attached) | | | |
1470 | return 0; | | | |
1471 | | | | |
1472 | callout_halt(&unp->unp_stat_ch, NULL); | | 1473 | callout_halt(&unp->unp_stat_ch, NULL); |
1473 | usb_rem_task_wait(un->un_udev, &unp->unp_ticktask, USB_TASKQ_DRIVER, NULL); | | 1474 | usb_rem_task_wait(un->un_udev, &unp->unp_ticktask, USB_TASKQ_DRIVER, NULL); |
1474 | | | 1475 | |
1475 | if (ifp->if_flags & IFF_RUNNING) { | | 1476 | if (ifp->if_flags & IFF_RUNNING) { |
1476 | IFNET_LOCK(ifp); | | 1477 | IFNET_LOCK(ifp); |
1477 | usbnet_stop_ifp(ifp, 1); | | 1478 | usbnet_stop_ifp(ifp, 1); |
1478 | IFNET_UNLOCK(ifp); | | 1479 | IFNET_UNLOCK(ifp); |
1479 | } | | 1480 | } |
1480 | | | 1481 | |
1481 | mutex_enter(&unp->unp_lock); | | 1482 | mutex_enter(&unp->unp_lock); |
1482 | unp->unp_refcnt--; | | 1483 | unp->unp_refcnt--; |
1483 | while (unp->unp_refcnt > 0) { | | 1484 | while (unp->unp_refcnt > 0) { |
1484 | /* Wait for processes to go away */ | | 1485 | /* Wait for processes to go away */ |
1485 | cv_wait(&unp->unp_detachcv, &unp->unp_lock); | | 1486 | cv_wait(&unp->unp_detachcv, &unp->unp_lock); |
1486 | } | | 1487 | } |
1487 | mutex_exit(&unp->unp_lock); | | 1488 | mutex_exit(&unp->unp_lock); |
1488 | | | 1489 | |
1489 | usbnet_rx_list_free(un); | | 1490 | usbnet_rx_list_free(un); |
1490 | usbnet_tx_list_free(un); | | 1491 | usbnet_tx_list_free(un); |
1491 | | | 1492 | |
1492 | callout_destroy(&unp->unp_stat_ch); | | 1493 | callout_destroy(&unp->unp_stat_ch); |
1493 | rnd_detach_source(&unp->unp_rndsrc); | | 1494 | rnd_detach_source(&unp->unp_rndsrc); |
1494 | | | 1495 | |
1495 | if (mii) { | | 1496 | if (mii) { |
1496 | mii_detach(mii, MII_PHY_ANY, MII_OFFSET_ANY); | | 1497 | mii_detach(mii, MII_PHY_ANY, MII_OFFSET_ANY); |
1497 | ifmedia_delete_instance(&mii->mii_media, IFM_INST_ANY); | | 1498 | ifmedia_delete_instance(&mii->mii_media, IFM_INST_ANY); |
1498 | } | | 1499 | } |
1499 | if (ifp->if_softc) { | | 1500 | if (ifp->if_softc) { |
1500 | if (!usbnet_empty_eaddr(un)) | | 1501 | if (!usbnet_empty_eaddr(un)) |
1501 | ether_ifdetach(ifp); | | 1502 | ether_ifdetach(ifp); |
1502 | else | | 1503 | else |
1503 | bpf_detach(ifp); | | 1504 | bpf_detach(ifp); |
1504 | if_detach(ifp); | | 1505 | if_detach(ifp); |
1505 | } | | 1506 | } |
1506 | | | 1507 | |
1507 | cv_destroy(&unp->unp_detachcv); | | 1508 | cv_destroy(&unp->unp_detachcv); |
1508 | mutex_destroy(&unp->unp_lock); | | 1509 | mutex_destroy(&unp->unp_lock); |
1509 | mutex_destroy(&unp->unp_rxlock); | | 1510 | mutex_destroy(&unp->unp_rxlock); |
1510 | mutex_destroy(&unp->unp_txlock); | | 1511 | mutex_destroy(&unp->unp_txlock); |
1511 | mutex_destroy(&unp->unp_miilock); | | 1512 | mutex_destroy(&unp->unp_miilock); |
1512 | | | 1513 | |
1513 | pmf_device_deregister(un->un_dev); | | 1514 | pmf_device_deregister(un->un_dev); |
1514 | | | 1515 | |
1515 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, un->un_udev, un->un_dev); | | 1516 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, un->un_udev, un->un_dev); |
1516 | | | 1517 | |
1517 | kmem_free(unp, sizeof(*unp)); | | 1518 | kmem_free(unp, sizeof(*unp)); |
1518 | | | 1519 | |
1519 | return 0; | | 1520 | return 0; |
1520 | } | | 1521 | } |
1521 | | | 1522 | |
1522 | int | | 1523 | int |
1523 | usbnet_activate(device_t self, devact_t act) | | 1524 | usbnet_activate(device_t self, devact_t act) |
1524 | { | | 1525 | { |
1525 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); | | 1526 | USBNETHIST_FUNC(); USBNETHIST_CALLED(); |
1526 | struct usbnet * const un = device_private(self); | | 1527 | struct usbnet * const un = device_private(self); |
1527 | struct usbnet_private * const unp = un->un_pri; | | 1528 | struct usbnet_private * const unp = un->un_pri; |
1528 | struct ifnet * const ifp = usbnet_ifp(un); | | 1529 | struct ifnet * const ifp = usbnet_ifp(un); |
1529 | | | 1530 | |
1530 | switch (act) { | | 1531 | switch (act) { |
1531 | case DVACT_DEACTIVATE: | | 1532 | case DVACT_DEACTIVATE: |
1532 | if_deactivate(ifp); | | 1533 | if_deactivate(ifp); |
1533 | | | 1534 | |
1534 | mutex_enter(&unp->unp_lock); | | 1535 | mutex_enter(&unp->unp_lock); |
1535 | unp->unp_dying = true; | | 1536 | unp->unp_dying = true; |
1536 | mutex_exit(&unp->unp_lock); | | 1537 | mutex_exit(&unp->unp_lock); |
1537 | | | 1538 | |
1538 | mutex_enter(&unp->unp_rxlock); | | 1539 | mutex_enter(&unp->unp_rxlock); |
1539 | mutex_enter(&unp->unp_txlock); | | 1540 | mutex_enter(&unp->unp_txlock); |
1540 | unp->unp_stopping = true; | | 1541 | unp->unp_stopping = true; |
1541 | mutex_exit(&unp->unp_txlock); | | 1542 | mutex_exit(&unp->unp_txlock); |
1542 | mutex_exit(&unp->unp_rxlock); | | 1543 | mutex_exit(&unp->unp_rxlock); |
1543 | | | 1544 | |
1544 | return 0; | | 1545 | return 0; |
1545 | default: | | 1546 | default: |
1546 | return EOPNOTSUPP; | | 1547 | return EOPNOTSUPP; |
1547 | } | | 1548 | } |
1548 | } | | 1549 | } |
1549 | | | 1550 | |
1550 | MODULE(MODULE_CLASS_MISC, usbnet, NULL); | | 1551 | MODULE(MODULE_CLASS_MISC, usbnet, NULL); |
1551 | | | 1552 | |
1552 | static int | | 1553 | static int |
1553 | usbnet_modcmd(modcmd_t cmd, void *arg) | | 1554 | usbnet_modcmd(modcmd_t cmd, void *arg) |
1554 | { | | 1555 | { |
1555 | switch (cmd) { | | 1556 | switch (cmd) { |
1556 | case MODULE_CMD_INIT: | | 1557 | case MODULE_CMD_INIT: |
1557 | return 0; | | 1558 | return 0; |
1558 | case MODULE_CMD_FINI: | | 1559 | case MODULE_CMD_FINI: |
1559 | return 0; | | 1560 | return 0; |
1560 | case MODULE_CMD_STAT: | | 1561 | case MODULE_CMD_STAT: |
1561 | case MODULE_CMD_AUTOUNLOAD: | | 1562 | case MODULE_CMD_AUTOUNLOAD: |
1562 | default: | | 1563 | default: |
1563 | return ENOTTY; | | 1564 | return ENOTTY; |
1564 | } | | 1565 | } |
1565 | } | | 1566 | } |