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path: root/drivers/usb/gadget/rndis.c
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Diffstat (limited to 'drivers/usb/gadget/rndis.c')
-rw-r--r--drivers/usb/gadget/rndis.c515
1 files changed, 269 insertions, 246 deletions
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 7457268d5f28..06b6eba925b5 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -41,6 +41,7 @@
#undef RNDIS_PM
+#undef RNDIS_WAKEUP
#undef VERBOSE
#include "rndis.h"
@@ -60,7 +61,7 @@
} while (0)
static int rndis_debug = 0;
-module_param (rndis_debug, bool, 0);
+module_param (rndis_debug, int, 0);
MODULE_PARM_DESC (rndis_debug, "enable debugging");
#else
@@ -78,22 +79,103 @@ static rndis_params rndis_per_dev_params [RNDIS_MAX_CONFIGS];
static const __le32 rndis_driver_version = __constant_cpu_to_le32 (1);
/* Function Prototypes */
-static int rndis_init_response (int configNr, rndis_init_msg_type *buf);
-static int rndis_query_response (int configNr, rndis_query_msg_type *buf);
-static int rndis_set_response (int configNr, rndis_set_msg_type *buf);
-static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf);
-static int rndis_keepalive_response (int configNr,
- rndis_keepalive_msg_type *buf);
-
static rndis_resp_t *rndis_add_response (int configNr, u32 length);
+/* supported OIDs */
+static const u32 oid_supported_list [] =
+{
+ /* the general stuff */
+ OID_GEN_SUPPORTED_LIST,
+ OID_GEN_HARDWARE_STATUS,
+ OID_GEN_MEDIA_SUPPORTED,
+ OID_GEN_MEDIA_IN_USE,
+ OID_GEN_MAXIMUM_FRAME_SIZE,
+ OID_GEN_LINK_SPEED,
+ OID_GEN_TRANSMIT_BLOCK_SIZE,
+ OID_GEN_RECEIVE_BLOCK_SIZE,
+ OID_GEN_VENDOR_ID,
+ OID_GEN_VENDOR_DESCRIPTION,
+ OID_GEN_VENDOR_DRIVER_VERSION,
+ OID_GEN_CURRENT_PACKET_FILTER,
+ OID_GEN_MAXIMUM_TOTAL_SIZE,
+ OID_GEN_MEDIA_CONNECT_STATUS,
+ OID_GEN_PHYSICAL_MEDIUM,
+#if 0
+ OID_GEN_RNDIS_CONFIG_PARAMETER,
+#endif
+
+ /* the statistical stuff */
+ OID_GEN_XMIT_OK,
+ OID_GEN_RCV_OK,
+ OID_GEN_XMIT_ERROR,
+ OID_GEN_RCV_ERROR,
+ OID_GEN_RCV_NO_BUFFER,
+#ifdef RNDIS_OPTIONAL_STATS
+ OID_GEN_DIRECTED_BYTES_XMIT,
+ OID_GEN_DIRECTED_FRAMES_XMIT,
+ OID_GEN_MULTICAST_BYTES_XMIT,
+ OID_GEN_MULTICAST_FRAMES_XMIT,
+ OID_GEN_BROADCAST_BYTES_XMIT,
+ OID_GEN_BROADCAST_FRAMES_XMIT,
+ OID_GEN_DIRECTED_BYTES_RCV,
+ OID_GEN_DIRECTED_FRAMES_RCV,
+ OID_GEN_MULTICAST_BYTES_RCV,
+ OID_GEN_MULTICAST_FRAMES_RCV,
+ OID_GEN_BROADCAST_BYTES_RCV,
+ OID_GEN_BROADCAST_FRAMES_RCV,
+ OID_GEN_RCV_CRC_ERROR,
+ OID_GEN_TRANSMIT_QUEUE_LENGTH,
+#endif /* RNDIS_OPTIONAL_STATS */
+
+ /* mandatory 802.3 */
+ /* the general stuff */
+ OID_802_3_PERMANENT_ADDRESS,
+ OID_802_3_CURRENT_ADDRESS,
+ OID_802_3_MULTICAST_LIST,
+ OID_802_3_MAC_OPTIONS,
+ OID_802_3_MAXIMUM_LIST_SIZE,
+
+ /* the statistical stuff */
+ OID_802_3_RCV_ERROR_ALIGNMENT,
+ OID_802_3_XMIT_ONE_COLLISION,
+ OID_802_3_XMIT_MORE_COLLISIONS,
+#ifdef RNDIS_OPTIONAL_STATS
+ OID_802_3_XMIT_DEFERRED,
+ OID_802_3_XMIT_MAX_COLLISIONS,
+ OID_802_3_RCV_OVERRUN,
+ OID_802_3_XMIT_UNDERRUN,
+ OID_802_3_XMIT_HEARTBEAT_FAILURE,
+ OID_802_3_XMIT_TIMES_CRS_LOST,
+ OID_802_3_XMIT_LATE_COLLISIONS,
+#endif /* RNDIS_OPTIONAL_STATS */
+
+#ifdef RNDIS_PM
+ /* PM and wakeup are mandatory for USB: */
+
+ /* power management */
+ OID_PNP_CAPABILITIES,
+ OID_PNP_QUERY_POWER,
+ OID_PNP_SET_POWER,
+
+#ifdef RNDIS_WAKEUP
+ /* wake up host */
+ OID_PNP_ENABLE_WAKE_UP,
+ OID_PNP_ADD_WAKE_UP_PATTERN,
+ OID_PNP_REMOVE_WAKE_UP_PATTERN,
+#endif /* RNDIS_WAKEUP */
+#endif /* RNDIS_PM */
+};
+
+
/* NDIS Functions */
-static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
+static int
+gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
+ rndis_resp_t *r)
{
int retval = -ENOTSUPP;
- u32 length = 0;
- __le32 *tmp;
+ u32 length = 4; /* usually */
+ __le32 *outbuf;
int i, count;
rndis_query_cmplt_type *resp;
@@ -101,7 +183,22 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
resp = (rndis_query_cmplt_type *) r->buf;
if (!resp) return -ENOMEM;
-
+
+ if (buf_len && rndis_debug > 1) {
+ DEBUG("query OID %08x value, len %d:\n", OID, buf_len);
+ for (i = 0; i < buf_len; i += 16) {
+ DEBUG ("%03d: %08x %08x %08x %08x\n", i,
+ le32_to_cpup((__le32 *)&buf[i]),
+ le32_to_cpup((__le32 *)&buf[i + 4]),
+ le32_to_cpup((__le32 *)&buf[i + 8]),
+ le32_to_cpup((__le32 *)&buf[i + 12]));
+ }
+ }
+
+ /* response goes here, right after the header */
+ outbuf = (__le32 *) &resp[1];
+ resp->InformationBufferOffset = __constant_cpu_to_le32 (16);
+
switch (OID) {
/* general oids (table 4-1) */
@@ -111,42 +208,36 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
DEBUG ("%s: OID_GEN_SUPPORTED_LIST\n", __FUNCTION__);
length = sizeof (oid_supported_list);
count = length / sizeof (u32);
- tmp = (__le32 *) ((u8 *)resp + 24);
for (i = 0; i < count; i++)
- tmp[i] = cpu_to_le32 (oid_supported_list[i]);
+ outbuf[i] = cpu_to_le32 (oid_supported_list[i]);
retval = 0;
break;
/* mandatory */
case OID_GEN_HARDWARE_STATUS:
DEBUG("%s: OID_GEN_HARDWARE_STATUS\n", __FUNCTION__);
- length = 4;
/* Bogus question!
* Hardware must be ready to receive high level protocols.
* BTW:
* reddite ergo quae sunt Caesaris Caesari
* et quae sunt Dei Deo!
*/
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
/* mandatory */
case OID_GEN_MEDIA_SUPPORTED:
DEBUG("%s: OID_GEN_MEDIA_SUPPORTED\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr].medium);
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium);
retval = 0;
break;
/* mandatory */
case OID_GEN_MEDIA_IN_USE:
DEBUG("%s: OID_GEN_MEDIA_IN_USE\n", __FUNCTION__);
- length = 4;
/* one medium, one transport... (maybe you do it better) */
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr].medium);
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium);
retval = 0;
break;
@@ -154,25 +245,21 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
case OID_GEN_MAXIMUM_FRAME_SIZE:
DEBUG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].dev->mtu);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
/* mandatory */
case OID_GEN_LINK_SPEED:
-// DEBUG("%s: OID_GEN_LINK_SPEED\n", __FUNCTION__);
- length = 4;
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_LINK_SPEED\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].media_state
- == NDIS_MEDIA_STATE_DISCONNECTED)
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ == NDIS_MEDIA_STATE_DISCONNECTED)
+ *outbuf = __constant_cpu_to_le32 (0);
else
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].speed);
retval = 0;
break;
@@ -181,8 +268,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
case OID_GEN_TRANSMIT_BLOCK_SIZE:
DEBUG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].dev->mtu);
retval = 0;
}
@@ -192,8 +278,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
case OID_GEN_RECEIVE_BLOCK_SIZE:
DEBUG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].dev->mtu);
retval = 0;
}
@@ -202,8 +287,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
/* mandatory */
case OID_GEN_VENDOR_ID:
DEBUG("%s: OID_GEN_VENDOR_ID\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].vendorID);
retval = 0;
break;
@@ -212,51 +296,44 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
case OID_GEN_VENDOR_DESCRIPTION:
DEBUG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __FUNCTION__);
length = strlen (rndis_per_dev_params [configNr].vendorDescr);
- memcpy ((u8 *) resp + 24,
+ memcpy (outbuf,
rndis_per_dev_params [configNr].vendorDescr, length);
retval = 0;
break;
case OID_GEN_VENDOR_DRIVER_VERSION:
DEBUG("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __FUNCTION__);
- length = 4;
/* Created as LE */
- *((__le32 *) resp + 6) = rndis_driver_version;
+ *outbuf = rndis_driver_version;
retval = 0;
break;
/* mandatory */
case OID_GEN_CURRENT_PACKET_FILTER:
DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params[configNr].filter);
+ *outbuf = cpu_to_le32 (*rndis_per_dev_params[configNr].filter);
retval = 0;
break;
/* mandatory */
case OID_GEN_MAXIMUM_TOTAL_SIZE:
DEBUG("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = __constant_cpu_to_le32(
- RNDIS_MAX_TOTAL_SIZE);
+ *outbuf = __constant_cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
retval = 0;
break;
/* mandatory */
case OID_GEN_MEDIA_CONNECT_STATUS:
- DEBUG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __FUNCTION__);
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.media_state);
retval = 0;
break;
case OID_GEN_PHYSICAL_MEDIUM:
DEBUG("%s: OID_GEN_PHYSICAL_MEDIUM\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
@@ -266,8 +343,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
*/
case OID_GEN_MAC_OPTIONS: /* from WinME */
DEBUG("%s: OID_GEN_MAC_OPTIONS\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = __constant_cpu_to_le32(
+ *outbuf = __constant_cpu_to_le32(
NDIS_MAC_OPTION_RECEIVE_SERIALIZED
| NDIS_MAC_OPTION_FULL_DUPLEX);
retval = 0;
@@ -277,62 +353,49 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
/* mandatory */
case OID_GEN_XMIT_OK:
- DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].stats->tx_packets -
rndis_per_dev_params [configNr].stats->tx_errors -
rndis_per_dev_params [configNr].stats->tx_dropped);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
/* mandatory */
case OID_GEN_RCV_OK:
- DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].stats->rx_packets -
rndis_per_dev_params [configNr].stats->rx_errors -
rndis_per_dev_params [configNr].stats->rx_dropped);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
/* mandatory */
case OID_GEN_XMIT_ERROR:
- DEBUG("%s: OID_GEN_XMIT_ERROR\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_XMIT_ERROR\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->tx_errors);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
/* mandatory */
case OID_GEN_RCV_ERROR:
- DEBUG("%s: OID_GEN_RCV_ERROR\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_RCV_ERROR\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_errors);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
@@ -340,13 +403,9 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
case OID_GEN_RCV_NO_BUFFER:
DEBUG("%s: OID_GEN_RCV_NO_BUFFER\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_dropped);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
@@ -359,8 +418,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
* divided by weight of Alpha Centauri
*/
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
(rndis_per_dev_params [configNr]
.stats->tx_packets -
rndis_per_dev_params [configNr]
@@ -369,9 +427,6 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
.stats->tx_dropped)
* 123);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
@@ -379,8 +434,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
DEBUG("%s: OID_GEN_DIRECTED_FRAMES_XMIT\n", __FUNCTION__);
/* dito */
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
(rndis_per_dev_params [configNr]
.stats->tx_packets -
rndis_per_dev_params [configNr]
@@ -389,144 +443,105 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
.stats->tx_dropped)
/ 123);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_MULTICAST_BYTES_XMIT:
DEBUG("%s: OID_GEN_MULTICAST_BYTES_XMIT\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast*1234);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_MULTICAST_FRAMES_XMIT:
DEBUG("%s: OID_GEN_MULTICAST_FRAMES_XMIT\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_BROADCAST_BYTES_XMIT:
DEBUG("%s: OID_GEN_BROADCAST_BYTES_XMIT\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->tx_packets/42*255);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_BROADCAST_FRAMES_XMIT:
DEBUG("%s: OID_GEN_BROADCAST_FRAMES_XMIT\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->tx_packets/42);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_DIRECTED_BYTES_RCV:
DEBUG("%s: OID_GEN_DIRECTED_BYTES_RCV\n", __FUNCTION__);
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
case OID_GEN_DIRECTED_FRAMES_RCV:
DEBUG("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __FUNCTION__);
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
case OID_GEN_MULTICAST_BYTES_RCV:
DEBUG("%s: OID_GEN_MULTICAST_BYTES_RCV\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast * 1111);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_MULTICAST_FRAMES_RCV:
DEBUG("%s: OID_GEN_MULTICAST_FRAMES_RCV\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_BROADCAST_BYTES_RCV:
DEBUG("%s: OID_GEN_BROADCAST_BYTES_RCV\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_packets/42*255);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_BROADCAST_FRAMES_RCV:
DEBUG("%s: OID_GEN_BROADCAST_FRAMES_RCV\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_packets/42);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_RCV_CRC_ERROR:
DEBUG("%s: OID_GEN_RCV_CRC_ERROR\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_crc_errors);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
case OID_GEN_TRANSMIT_QUEUE_LENGTH:
DEBUG("%s: OID_GEN_TRANSMIT_QUEUE_LENGTH\n", __FUNCTION__);
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
#endif /* RNDIS_OPTIONAL_STATS */
@@ -538,13 +553,10 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
DEBUG("%s: OID_802_3_PERMANENT_ADDRESS\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
length = ETH_ALEN;
- memcpy ((u8 *) resp + 24,
+ memcpy (outbuf,
rndis_per_dev_params [configNr].host_mac,
length);
retval = 0;
- } else {
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
@@ -553,7 +565,7 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
DEBUG("%s: OID_802_3_CURRENT_ADDRESS\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
length = ETH_ALEN;
- memcpy ((u8 *) resp + 24,
+ memcpy (outbuf,
rndis_per_dev_params [configNr].host_mac,
length);
retval = 0;
@@ -563,18 +575,16 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
/* mandatory */
case OID_802_3_MULTICAST_LIST:
DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__);
- length = 4;
/* Multicast base address only */
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0xE0000000);
+ *outbuf = __constant_cpu_to_le32 (0xE0000000);
retval = 0;
break;
/* mandatory */
case OID_802_3_MAXIMUM_LIST_SIZE:
DEBUG("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __FUNCTION__);
- length = 4;
/* Multicast base address only */
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (1);
+ *outbuf = __constant_cpu_to_le32 (1);
retval = 0;
break;
@@ -587,11 +597,8 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
/* mandatory */
case OID_802_3_RCV_ERROR_ALIGNMENT:
DEBUG("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __FUNCTION__);
- if (rndis_per_dev_params [configNr].stats)
- {
- length = 4;
- *((__le32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ if (rndis_per_dev_params [configNr].stats) {
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_frame_errors);
retval = 0;
}
@@ -600,16 +607,14 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
/* mandatory */
case OID_802_3_XMIT_ONE_COLLISION:
DEBUG("%s: OID_802_3_XMIT_ONE_COLLISION\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
/* mandatory */
case OID_802_3_XMIT_MORE_COLLISIONS:
DEBUG("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __FUNCTION__);
- length = 4;
- *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
@@ -655,27 +660,18 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
case OID_PNP_CAPABILITIES:
DEBUG("%s: OID_PNP_CAPABILITIES\n", __FUNCTION__);
- /* just PM, and remote wakeup on link status change
- * (not magic packet or pattern match)
- */
+ /* for now, no wakeup capabilities */
length = sizeof (struct NDIS_PNP_CAPABILITIES);
- memset (resp, 0, length);
- {
- struct NDIS_PNP_CAPABILITIES *caps = (void *) resp;
-
- caps->Flags = NDIS_DEVICE_WAKE_UP_ENABLE;
- caps->WakeUpCapabilities.MinLinkChangeWakeUp
- = NdisDeviceStateD3;
-
- /* FIXME then use usb_gadget_wakeup(), and
- * set USB_CONFIG_ATT_WAKEUP in config desc
- */
- }
+ memset(outbuf, 0, length);
retval = 0;
break;
case OID_PNP_QUERY_POWER:
- DEBUG("%s: OID_PNP_QUERY_POWER\n", __FUNCTION__);
- /* sure, handle any power state that maps to USB suspend */
+ DEBUG("%s: OID_PNP_QUERY_POWER D%d\n", __FUNCTION__,
+ le32_to_cpup((__le32 *) buf) - 1);
+ /* only suspend is a real power state, and
+ * it can't be entered by OID_PNP_SET_POWER...
+ */
+ length = 0;
retval = 0;
break;
#endif
@@ -684,11 +680,12 @@ static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
printk (KERN_WARNING "%s: query unknown OID 0x%08X\n",
__FUNCTION__, OID);
}
+ if (retval < 0)
+ length = 0;
- resp->InformationBufferOffset = __constant_cpu_to_le32 (16);
resp->InformationBufferLength = cpu_to_le32 (length);
- resp->MessageLength = cpu_to_le32 (24 + length);
- r->length = 24 + length;
+ r->length = length + sizeof *resp;
+ resp->MessageLength = cpu_to_le32 (r->length);
return retval;
}
@@ -705,45 +702,40 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
if (!resp)
return -ENOMEM;
- DEBUG("set OID %08x value, len %d:\n", OID, buf_len);
- for (i = 0; i < buf_len; i += 16) {
- DEBUG ("%03d: "
- " %02x %02x %02x %02x"
- " %02x %02x %02x %02x"
- " %02x %02x %02x %02x"
- " %02x %02x %02x %02x"
- "\n",
- i,
- buf[i], buf [i+1],
- buf[i+2], buf[i+3],
- buf[i+4], buf [i+5],
- buf[i+6], buf[i+7],
- buf[i+8], buf [i+9],
- buf[i+10], buf[i+11],
- buf[i+12], buf [i+13],
- buf[i+14], buf[i+15]);
+ if (buf_len && rndis_debug > 1) {
+ DEBUG("set OID %08x value, len %d:\n", OID, buf_len);
+ for (i = 0; i < buf_len; i += 16) {
+ DEBUG ("%03d: %08x %08x %08x %08x\n", i,
+ le32_to_cpup((__le32 *)&buf[i]),
+ le32_to_cpup((__le32 *)&buf[i + 4]),
+ le32_to_cpup((__le32 *)&buf[i + 8]),
+ le32_to_cpup((__le32 *)&buf[i + 12]));
+ }
}
+ params = &rndis_per_dev_params [configNr];
switch (OID) {
case OID_GEN_CURRENT_PACKET_FILTER:
- params = &rndis_per_dev_params [configNr];
- retval = 0;
- /* FIXME use these NDIS_PACKET_TYPE_* bitflags to
- * set the cdc_filter; it's not RNDIS-specific
+ /* these NDIS_PACKET_TYPE_* bitflags are shared with
+ * cdc_filter; it's not RNDIS-specific
* NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in:
* PROMISCUOUS, DIRECTED,
* MULTICAST, ALL_MULTICAST, BROADCAST
*/
- params->filter = le32_to_cpup((__le32 *)buf);
+ *params->filter = (u16) le32_to_cpup((__le32 *)buf);
DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
- __FUNCTION__, params->filter);
+ __FUNCTION__, *params->filter);
/* this call has a significant side effect: it's
* what makes the packet flow start and stop, like
* activating the CDC Ethernet altsetting.
*/
- if (params->filter) {
+#ifdef RNDIS_PM
+update_linkstate:
+#endif
+ retval = 0;
+ if (*params->filter) {
params->state = RNDIS_DATA_INITIALIZED;
netif_carrier_on(params->dev);
if (netif_running(params->dev))
@@ -776,21 +768,34 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
#ifdef RNDIS_PM
case OID_PNP_SET_POWER:
- DEBUG ("OID_PNP_SET_POWER\n");
- /* sure, handle any power state that maps to USB suspend */
- retval = 0;
- break;
-
- case OID_PNP_ENABLE_WAKE_UP:
- /* always-connected ... */
- DEBUG ("OID_PNP_ENABLE_WAKE_UP\n");
- retval = 0;
+ /* The only real power state is USB suspend, and RNDIS requests
+ * can't enter it; this one isn't really about power. After
+ * resuming, Windows forces a reset, and then SET_POWER D0.
+ * FIXME ... then things go batty; Windows wedges itself.
+ */
+ i = le32_to_cpup((__force __le32 *)buf);
+ DEBUG("%s: OID_PNP_SET_POWER D%d\n", __FUNCTION__, i - 1);
+ switch (i) {
+ case NdisDeviceStateD0:
+ *params->filter = params->saved_filter;
+ goto update_linkstate;
+ case NdisDeviceStateD3:
+ case NdisDeviceStateD2:
+ case NdisDeviceStateD1:
+ params->saved_filter = *params->filter;
+ retval = 0;
+ break;
+ }
break;
- // no PM resume patterns supported (specified where?)
- // so OID_PNP_{ADD,REMOVE}_WAKE_UP_PATTERN always fails
+#ifdef RNDIS_WAKEUP
+ // no wakeup support advertised, so wakeup OIDs always fail:
+ // - OID_PNP_ENABLE_WAKE_UP
+ // - OID_PNP_{ADD,REMOVE}_WAKE_UP_PATTERN
#endif
+#endif /* RNDIS_PM */
+
default:
printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n",
__FUNCTION__, OID, buf_len);
@@ -811,13 +816,10 @@ static int rndis_init_response (int configNr, rndis_init_msg_type *buf)
if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP;
r = rndis_add_response (configNr, sizeof (rndis_init_cmplt_type));
-
- if (!r) return -ENOMEM;
-
+ if (!r)
+ return -ENOMEM;
resp = (rndis_init_cmplt_type *) r->buf;
- if (!resp) return -ENOMEM;
-
resp->MessageType = __constant_cpu_to_le32 (
REMOTE_NDIS_INITIALIZE_CMPLT);
resp->MessageLength = __constant_cpu_to_le32 (52);
@@ -857,20 +859,22 @@ static int rndis_query_response (int configNr, rndis_query_msg_type *buf)
* oid_supported_list is the largest answer
*/
r = rndis_add_response (configNr, sizeof (oid_supported_list));
-
- if (!r) return -ENOMEM;
+ if (!r)
+ return -ENOMEM;
resp = (rndis_query_cmplt_type *) r->buf;
- if (!resp) return -ENOMEM;
-
resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_QUERY_CMPLT);
- resp->MessageLength = __constant_cpu_to_le32 (24);
resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
-
- if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID), r)) {
+
+ if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID),
+ le32_to_cpu(buf->InformationBufferOffset)
+ + 8 + (u8 *) buf,
+ le32_to_cpu(buf->InformationBufferLength),
+ r)) {
/* OID not supported */
resp->Status = __constant_cpu_to_le32 (
RNDIS_STATUS_NOT_SUPPORTED);
+ resp->MessageLength = __constant_cpu_to_le32 (sizeof *resp);
resp->InformationBufferLength = __constant_cpu_to_le32 (0);
resp->InformationBufferOffset = __constant_cpu_to_le32 (0);
} else
@@ -889,10 +893,9 @@ static int rndis_set_response (int configNr, rndis_set_msg_type *buf)
rndis_resp_t *r;
r = rndis_add_response (configNr, sizeof (rndis_set_cmplt_type));
-
- if (!r) return -ENOMEM;
+ if (!r)
+ return -ENOMEM;
resp = (rndis_set_cmplt_type *) r->buf;
- if (!resp) return -ENOMEM;
BufLength = le32_to_cpu (buf->InformationBufferLength);
BufOffset = le32_to_cpu (buf->InformationBufferOffset);
@@ -930,10 +933,9 @@ static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf)
rndis_resp_t *r;
r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type));
-
- if (!r) return -ENOMEM;
+ if (!r)
+ return -ENOMEM;
resp = (rndis_reset_cmplt_type *) r->buf;
- if (!resp) return -ENOMEM;
resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_RESET_CMPLT);
resp->MessageLength = __constant_cpu_to_le32 (16);
@@ -957,8 +959,9 @@ static int rndis_keepalive_response (int configNr,
/* host "should" check only in RNDIS_DATA_INITIALIZED state */
r = rndis_add_response (configNr, sizeof (rndis_keepalive_cmplt_type));
+ if (!r)
+ return -ENOMEM;
resp = (rndis_keepalive_cmplt_type *) r->buf;
- if (!resp) return -ENOMEM;
resp->MessageType = __constant_cpu_to_le32 (
REMOTE_NDIS_KEEPALIVE_CMPLT);
@@ -987,10 +990,9 @@ static int rndis_indicate_status_msg (int configNr, u32 status)
r = rndis_add_response (configNr,
sizeof (rndis_indicate_status_msg_type));
- if (!r) return -ENOMEM;
-
+ if (!r)
+ return -ENOMEM;
resp = (rndis_indicate_status_msg_type *) r->buf;
- if (!resp) return -ENOMEM;
resp->MessageType = __constant_cpu_to_le32 (
REMOTE_NDIS_INDICATE_STATUS_MSG);
@@ -1021,6 +1023,21 @@ int rndis_signal_disconnect (int configNr)
RNDIS_STATUS_MEDIA_DISCONNECT);
}
+void rndis_uninit (int configNr)
+{
+ u8 *buf;
+ u32 length;
+
+ if (configNr >= RNDIS_MAX_CONFIGS)
+ return;
+ rndis_per_dev_params [configNr].used = 0;
+ rndis_per_dev_params [configNr].state = RNDIS_UNINITIALIZED;
+
+ /* drain the response queue */
+ while ((buf = rndis_get_next_response(configNr, &length)))
+ rndis_free_response(configNr, buf);
+}
+
void rndis_set_host_mac (int configNr, const u8 *addr)
{
rndis_per_dev_params [configNr].host_mac = addr;
@@ -1046,9 +1063,13 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
return -ENOTSUPP;
params = &rndis_per_dev_params [configNr];
+ /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for
+ * rx/tx statistics and link status, in addition to KEEPALIVE traffic
+ * and normal HC level polling to see if there's any IN traffic.
+ */
+
/* For USB: responses may take up to 10 seconds */
- switch (MsgType)
- {
+ switch (MsgType) {
case REMOTE_NDIS_INITIALIZE_MSG:
DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
__FUNCTION__ );
@@ -1082,10 +1103,9 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
case REMOTE_NDIS_KEEPALIVE_MSG:
/* For USB: host does this every 5 seconds */
-#ifdef VERBOSE
- DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
- __FUNCTION__ );
-#endif
+ if (rndis_debug > 1)
+ DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
+ __FUNCTION__ );
return rndis_keepalive_response (configNr,
(rndis_keepalive_msg_type *)
buf);
@@ -1152,7 +1172,8 @@ void rndis_deregister (int configNr)
}
int rndis_set_param_dev (u8 configNr, struct net_device *dev,
- struct net_device_stats *stats)
+ struct net_device_stats *stats,
+ u16 *cdc_filter)
{
DEBUG("%s:\n", __FUNCTION__ );
if (!dev || !stats) return -1;
@@ -1160,6 +1181,7 @@ int rndis_set_param_dev (u8 configNr, struct net_device *dev,
rndis_per_dev_params [configNr].dev = dev;
rndis_per_dev_params [configNr].stats = stats;
+ rndis_per_dev_params [configNr].filter = cdc_filter;
return 0;
}
@@ -1178,7 +1200,7 @@ int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr)
int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed)
{
- DEBUG("%s:\n", __FUNCTION__ );
+ DEBUG("%s: %u %u\n", __FUNCTION__, medium, speed);
if (configNr >= RNDIS_MAX_CONFIGS) return -1;
rndis_per_dev_params [configNr].medium = medium;
@@ -1242,6 +1264,7 @@ static rndis_resp_t *rndis_add_response (int configNr, u32 length)
{
rndis_resp_t *r;
+ /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */
r = kmalloc (sizeof (rndis_resp_t) + length, GFP_ATOMIC);
if (!r) return NULL;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 15:19:48 +0100