diff options
Diffstat (limited to 'drivers/net/usb/rndis_host.c')
| -rw-r--r-- | drivers/net/usb/rndis_host.c | 223 |
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 @@ #include <linux/usb/cdc.h> #include "usbnet.h" +#include "rndis_host.h" /* @@ -56,228 +57,6 @@ */ /* - * CONTROL uses CDC "encapsulated commands" with funky notifications. - * - control-out: SEND_ENCAPSULATED - * - interrupt-in: RESPONSE_AVAILABLE - * - control-in: GET_ENCAPSULATED - * - * We'll try to ignore the RESPONSE_AVAILABLE notifications. - * - * REVISIT some RNDIS implementations seem to have curious issues still - * to be resolved. - */ -struct rndis_msg_hdr { - __le32 msg_type; /* RNDIS_MSG_* */ - __le32 msg_len; - // followed by data that varies between messages - __le32 request_id; - __le32 status; - // ... and more -} __attribute__ ((packed)); - -/* MS-Windows uses this strange size, but RNDIS spec says 1024 minimum */ -#define CONTROL_BUFFER_SIZE 1025 - -/* RNDIS defines an (absurdly huge) 10 second control timeout, - * but ActiveSync seems to use a more usual 5 second timeout - * (which matches the USB 2.0 spec). - */ -#define RNDIS_CONTROL_TIMEOUT_MS (5 * 1000) - - -#define ccpu2 __constant_cpu_to_le32 - -#define RNDIS_MSG_COMPLETION ccpu2(0x80000000) - -/* codes for "msg_type" field of rndis messages; - * only the data channel uses packet messages (maybe batched); - * everything else goes on the control channel. - */ -#define RNDIS_MSG_PACKET ccpu2(0x00000001) /* 1-N packets */ -#define RNDIS_MSG_INIT ccpu2(0x00000002) -#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_HALT ccpu2(0x00000003) -#define RNDIS_MSG_QUERY ccpu2(0x00000004) -#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_SET ccpu2(0x00000005) -#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_RESET ccpu2(0x00000006) -#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_INDICATE ccpu2(0x00000007) -#define RNDIS_MSG_KEEPALIVE ccpu2(0x00000008) -#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION) - -/* codes for "status" field of completion messages */ -#define RNDIS_STATUS_SUCCESS ccpu2(0x00000000) -#define RNDIS_STATUS_FAILURE ccpu2(0xc0000001) -#define RNDIS_STATUS_INVALID_DATA ccpu2(0xc0010015) -#define RNDIS_STATUS_NOT_SUPPORTED ccpu2(0xc00000bb) -#define RNDIS_STATUS_MEDIA_CONNECT ccpu2(0x4001000b) -#define RNDIS_STATUS_MEDIA_DISCONNECT ccpu2(0x4001000c) - - -struct rndis_data_hdr { - __le32 msg_type; /* RNDIS_MSG_PACKET */ - __le32 msg_len; // rndis_data_hdr + data_len + pad - __le32 data_offset; // 36 -- right after header - __le32 data_len; // ... real packet size - - __le32 oob_data_offset; // zero - __le32 oob_data_len; // zero - __le32 num_oob; // zero - __le32 packet_data_offset; // zero - - __le32 packet_data_len; // zero - __le32 vc_handle; // zero - __le32 reserved; // zero -} __attribute__ ((packed)); - -struct rndis_init { /* OUT */ - // header and: - __le32 msg_type; /* RNDIS_MSG_INIT */ - __le32 msg_len; // 24 - __le32 request_id; - __le32 major_version; // of rndis (1.0) - __le32 minor_version; - __le32 max_transfer_size; -} __attribute__ ((packed)); - -struct rndis_init_c { /* IN */ - // header and: - __le32 msg_type; /* RNDIS_MSG_INIT_C */ - __le32 msg_len; - __le32 request_id; - __le32 status; - __le32 major_version; // of rndis (1.0) - __le32 minor_version; - __le32 device_flags; - __le32 medium; // zero == 802.3 - __le32 max_packets_per_message; - __le32 max_transfer_size; - __le32 packet_alignment; // max 7; (1<<n) bytes - __le32 af_list_offset; // zero - __le32 af_list_size; // zero -} __attribute__ ((packed)); - -struct rndis_halt { /* OUT (no reply) */ - // header and: - __le32 msg_type; /* RNDIS_MSG_HALT */ - __le32 msg_len; - __le32 request_id; -} __attribute__ ((packed)); - -struct rndis_query { /* OUT */ - // header and: - __le32 msg_type; /* RNDIS_MSG_QUERY */ - __le32 msg_len; - __le32 request_id; - __le32 oid; - __le32 len; - __le32 offset; -/*?*/ __le32 handle; // zero -} __attribute__ ((packed)); - -struct rndis_query_c { /* IN */ - // header and: - __le32 msg_type; /* RNDIS_MSG_QUERY_C */ - __le32 msg_len; - __le32 request_id; - __le32 status; - __le32 len; - __le32 offset; -} __attribute__ ((packed)); - -struct rndis_set { /* OUT */ - // header and: - __le32 msg_type; /* RNDIS_MSG_SET */ - __le32 msg_len; - __le32 request_id; - __le32 oid; - __le32 len; - __le32 offset; -/*?*/ __le32 handle; // zero -} __attribute__ ((packed)); - -struct rndis_set_c { /* IN */ - // header and: - __le32 msg_type; /* RNDIS_MSG_SET_C */ - __le32 msg_len; - __le32 request_id; - __le32 status; -} __attribute__ ((packed)); - -struct rndis_reset { /* IN */ - // header and: - __le32 msg_type; /* RNDIS_MSG_RESET */ - __le32 msg_len; - __le32 reserved; -} __attribute__ ((packed)); - -struct rndis_reset_c { /* OUT */ - // header and: - __le32 msg_type; /* RNDIS_MSG_RESET_C */ - __le32 msg_len; - __le32 status; - __le32 addressing_lost; -} __attribute__ ((packed)); - -struct rndis_indicate { /* IN (unrequested) */ - // header and: - __le32 msg_type; /* RNDIS_MSG_INDICATE */ - __le32 msg_len; - __le32 status; - __le32 length; - __le32 offset; -/**/ __le32 diag_status; - __le32 error_offset; -/**/ __le32 message; -} __attribute__ ((packed)); - -struct rndis_keepalive { /* OUT (optionally IN) */ - // header and: - __le32 msg_type; /* RNDIS_MSG_KEEPALIVE */ - __le32 msg_len; - __le32 request_id; -} __attribute__ ((packed)); - -struct rndis_keepalive_c { /* IN (optionally OUT) */ - // header and: - __le32 msg_type; /* RNDIS_MSG_KEEPALIVE_C */ - __le32 msg_len; - __le32 request_id; - __le32 status; -} __attribute__ ((packed)); - -/* NOTE: about 30 OIDs are "mandatory" for peripherals to support ... and - * there are gobs more that may optionally be supported. We'll avoid as much - * of that mess as possible. - */ -#define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101) -#define OID_GEN_MAXIMUM_FRAME_SIZE ccpu2(0x00010106) -#define OID_GEN_CURRENT_PACKET_FILTER ccpu2(0x0001010e) - -/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ -#define RNDIS_PACKET_TYPE_DIRECTED ccpu2(0x00000001) -#define RNDIS_PACKET_TYPE_MULTICAST ccpu2(0x00000002) -#define RNDIS_PACKET_TYPE_ALL_MULTICAST ccpu2(0x00000004) -#define RNDIS_PACKET_TYPE_BROADCAST ccpu2(0x00000008) -#define RNDIS_PACKET_TYPE_SOURCE_ROUTING ccpu2(0x00000010) -#define RNDIS_PACKET_TYPE_PROMISCUOUS ccpu2(0x00000020) -#define RNDIS_PACKET_TYPE_SMT ccpu2(0x00000040) -#define RNDIS_PACKET_TYPE_ALL_LOCAL ccpu2(0x00000080) -#define RNDIS_PACKET_TYPE_GROUP ccpu2(0x00001000) -#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL ccpu2(0x00002000) -#define RNDIS_PACKET_TYPE_FUNCTIONAL ccpu2(0x00004000) -#define RNDIS_PACKET_TYPE_MAC_FRAME ccpu2(0x00008000) - -/* default filter used with RNDIS devices */ -#define RNDIS_DEFAULT_FILTER ( \ - RNDIS_PACKET_TYPE_DIRECTED | \ - RNDIS_PACKET_TYPE_BROADCAST | \ - RNDIS_PACKET_TYPE_ALL_MULTICAST | \ - RNDIS_PACKET_TYPE_PROMISCUOUS) - -/* * RNDIS notifications from device: command completion; "reverse" * keepalives; etc */ |