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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2008-01-25 17:51:12 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-31 22:26:56 -0500
commit7517579af8f32ecf9ddff4ead52bc801e4898efe (patch)
tree176664dd51b8cfa8d1faa8d4579fd25495aacc11 /drivers/net/usb/rndis_host.c
parent6e3bbcc5d75d187bb853a086e22cd813242f6b75 (diff)
rndis_host: Split up rndis_host.c
Split up rndis_host.c into rndis_host.h and rndis_base.c. This is done so that rndis_wlan can reuse common parts with rndis_host. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/rndis_host.c')
-rw-r--r--drivers/net/usb/rndis_host.c223
1 files changed, 1 insertions, 222 deletions
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 12daf9cfb77b..29d7e3b166f5 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -31,6 +31,7 @@
31#include <linux/usb/cdc.h> 31#include <linux/usb/cdc.h>
32 32
33#include "usbnet.h" 33#include "usbnet.h"
34#include "rndis_host.h"
34 35
35 36
36/* 37/*
@@ -56,228 +57,6 @@
56 */ 57 */
57 58
58/* 59/*
59 * CONTROL uses CDC "encapsulated commands" with funky notifications.
60 * - control-out: SEND_ENCAPSULATED
61 * - interrupt-in: RESPONSE_AVAILABLE
62 * - control-in: GET_ENCAPSULATED
63 *
64 * We'll try to ignore the RESPONSE_AVAILABLE notifications.
65 *
66 * REVISIT some RNDIS implementations seem to have curious issues still
67 * to be resolved.
68 */
69struct rndis_msg_hdr {
70 __le32 msg_type; /* RNDIS_MSG_* */
71 __le32 msg_len;
72 // followed by data that varies between messages
73 __le32 request_id;
74 __le32 status;
75 // ... and more
76} __attribute__ ((packed));
77
78/* MS-Windows uses this strange size, but RNDIS spec says 1024 minimum */
79#define CONTROL_BUFFER_SIZE 1025
80
81/* RNDIS defines an (absurdly huge) 10 second control timeout,
82 * but ActiveSync seems to use a more usual 5 second timeout
83 * (which matches the USB 2.0 spec).
84 */
85#define RNDIS_CONTROL_TIMEOUT_MS (5 * 1000)
86
87
88#define ccpu2 __constant_cpu_to_le32
89
90#define RNDIS_MSG_COMPLETION ccpu2(0x80000000)
91
92/* codes for "msg_type" field of rndis messages;
93 * only the data channel uses packet messages (maybe batched);
94 * everything else goes on the control channel.
95 */
96#define RNDIS_MSG_PACKET ccpu2(0x00000001) /* 1-N packets */
97#define RNDIS_MSG_INIT ccpu2(0x00000002)
98#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION)
99#define RNDIS_MSG_HALT ccpu2(0x00000003)
100#define RNDIS_MSG_QUERY ccpu2(0x00000004)
101#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION)
102#define RNDIS_MSG_SET ccpu2(0x00000005)
103#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION)
104#define RNDIS_MSG_RESET ccpu2(0x00000006)
105#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION)
106#define RNDIS_MSG_INDICATE ccpu2(0x00000007)
107#define RNDIS_MSG_KEEPALIVE ccpu2(0x00000008)
108#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION)
109
110/* codes for "status" field of completion messages */
111#define RNDIS_STATUS_SUCCESS ccpu2(0x00000000)
112#define RNDIS_STATUS_FAILURE ccpu2(0xc0000001)
113#define RNDIS_STATUS_INVALID_DATA ccpu2(0xc0010015)
114#define RNDIS_STATUS_NOT_SUPPORTED ccpu2(0xc00000bb)
115#define RNDIS_STATUS_MEDIA_CONNECT ccpu2(0x4001000b)
116#define RNDIS_STATUS_MEDIA_DISCONNECT ccpu2(0x4001000c)
117
118
119struct rndis_data_hdr {
120 __le32 msg_type; /* RNDIS_MSG_PACKET */
121 __le32 msg_len; // rndis_data_hdr + data_len + pad
122 __le32 data_offset; // 36 -- right after header
123 __le32 data_len; // ... real packet size
124
125 __le32 oob_data_offset; // zero
126 __le32 oob_data_len; // zero
127 __le32 num_oob; // zero
128 __le32 packet_data_offset; // zero
129
130 __le32 packet_data_len; // zero
131 __le32 vc_handle; // zero
132 __le32 reserved; // zero
133} __attribute__ ((packed));
134
135struct rndis_init { /* OUT */
136 // header and:
137 __le32 msg_type; /* RNDIS_MSG_INIT */
138 __le32 msg_len; // 24
139 __le32 request_id;
140 __le32 major_version; // of rndis (1.0)
141 __le32 minor_version;
142 __le32 max_transfer_size;
143} __attribute__ ((packed));
144
145struct rndis_init_c { /* IN */
146 // header and:
147 __le32 msg_type; /* RNDIS_MSG_INIT_C */
148 __le32 msg_len;
149 __le32 request_id;
150 __le32 status;
151 __le32 major_version; // of rndis (1.0)
152 __le32 minor_version;
153 __le32 device_flags;
154 __le32 medium; // zero == 802.3
155 __le32 max_packets_per_message;
156 __le32 max_transfer_size;
157 __le32 packet_alignment; // max 7; (1<<n) bytes
158 __le32 af_list_offset; // zero
159 __le32 af_list_size; // zero
160} __attribute__ ((packed));
161
162struct rndis_halt { /* OUT (no reply) */
163 // header and:
164 __le32 msg_type; /* RNDIS_MSG_HALT */
165 __le32 msg_len;
166 __le32 request_id;
167} __attribute__ ((packed));
168
169struct rndis_query { /* OUT */
170 // header and:
171 __le32 msg_type; /* RNDIS_MSG_QUERY */
172 __le32 msg_len;
173 __le32 request_id;
174 __le32 oid;
175 __le32 len;
176 __le32 offset;
177/*?*/ __le32 handle; // zero
178} __attribute__ ((packed));
179
180struct rndis_query_c { /* IN */
181 // header and:
182 __le32 msg_type; /* RNDIS_MSG_QUERY_C */
183 __le32 msg_len;
184 __le32 request_id;
185 __le32 status;
186 __le32 len;
187 __le32 offset;
188} __attribute__ ((packed));
189
190struct rndis_set { /* OUT */
191 // header and:
192 __le32 msg_type; /* RNDIS_MSG_SET */
193 __le32 msg_len;
194 __le32 request_id;
195 __le32 oid;
196 __le32 len;
197 __le32 offset;
198/*?*/ __le32 handle; // zero
199} __attribute__ ((packed));
200
201struct rndis_set_c { /* IN */
202 // header and:
203 __le32 msg_type; /* RNDIS_MSG_SET_C */
204 __le32 msg_len;
205 __le32 request_id;
206 __le32 status;
207} __attribute__ ((packed));
208
209struct rndis_reset { /* IN */
210 // header and:
211 __le32 msg_type; /* RNDIS_MSG_RESET */
212 __le32 msg_len;
213 __le32 reserved;
214} __attribute__ ((packed));
215
216struct rndis_reset_c { /* OUT */
217 // header and:
218 __le32 msg_type; /* RNDIS_MSG_RESET_C */
219 __le32 msg_len;
220 __le32 status;
221 __le32 addressing_lost;
222} __attribute__ ((packed));
223
224struct rndis_indicate { /* IN (unrequested) */
225 // header and:
226 __le32 msg_type; /* RNDIS_MSG_INDICATE */
227 __le32 msg_len;
228 __le32 status;
229 __le32 length;
230 __le32 offset;
231/**/ __le32 diag_status;
232 __le32 error_offset;
233/**/ __le32 message;
234} __attribute__ ((packed));
235
236struct rndis_keepalive { /* OUT (optionally IN) */
237 // header and:
238 __le32 msg_type; /* RNDIS_MSG_KEEPALIVE */
239 __le32 msg_len;
240 __le32 request_id;
241} __attribute__ ((packed));
242
243struct rndis_keepalive_c { /* IN (optionally OUT) */
244 // header and:
245 __le32 msg_type; /* RNDIS_MSG_KEEPALIVE_C */
246 __le32 msg_len;
247 __le32 request_id;
248 __le32 status;
249} __attribute__ ((packed));
250
251/* NOTE: about 30 OIDs are "mandatory" for peripherals to support ... and
252 * there are gobs more that may optionally be supported. We'll avoid as much
253 * of that mess as possible.
254 */
255#define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101)
256#define OID_GEN_MAXIMUM_FRAME_SIZE ccpu2(0x00010106)
257#define OID_GEN_CURRENT_PACKET_FILTER ccpu2(0x0001010e)
258
259/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */
260#define RNDIS_PACKET_TYPE_DIRECTED ccpu2(0x00000001)
261#define RNDIS_PACKET_TYPE_MULTICAST ccpu2(0x00000002)
262#define RNDIS_PACKET_TYPE_ALL_MULTICAST ccpu2(0x00000004)
263#define RNDIS_PACKET_TYPE_BROADCAST ccpu2(0x00000008)
264#define RNDIS_PACKET_TYPE_SOURCE_ROUTING ccpu2(0x00000010)
265#define RNDIS_PACKET_TYPE_PROMISCUOUS ccpu2(0x00000020)
266#define RNDIS_PACKET_TYPE_SMT ccpu2(0x00000040)
267#define RNDIS_PACKET_TYPE_ALL_LOCAL ccpu2(0x00000080)
268#define RNDIS_PACKET_TYPE_GROUP ccpu2(0x00001000)
269#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL ccpu2(0x00002000)
270#define RNDIS_PACKET_TYPE_FUNCTIONAL ccpu2(0x00004000)
271#define RNDIS_PACKET_TYPE_MAC_FRAME ccpu2(0x00008000)
272
273/* default filter used with RNDIS devices */
274#define RNDIS_DEFAULT_FILTER ( \
275 RNDIS_PACKET_TYPE_DIRECTED | \
276 RNDIS_PACKET_TYPE_BROADCAST | \
277 RNDIS_PACKET_TYPE_ALL_MULTICAST | \
278 RNDIS_PACKET_TYPE_PROMISCUOUS)
279
280/*
281 * RNDIS notifications from device: command completion; "reverse" 60 * RNDIS notifications from device: command completion; "reverse"
282 * keepalives; etc 61 * keepalives; etc
283 */ 62 */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 12:02:16 -0500