diff options
author | K. Y. Srinivasan <kys@microsoft.com> | 2011-05-12 19:34:38 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-17 12:27:07 -0700 |
commit | 41308862d18ebba47e4b863a7b967dc7e5477fb9 (patch) | |
tree | 2dc9ebc625167b07b23b3ac8547ca097e3aebb90 /drivers/staging/hv/hyperv_net.h | |
parent | 5ca7252a7e2be5e05772f202d94e173b7224e7a9 (diff) |
Staging: hv: netvsc: Include the contents of netvsc_api.h into hyperv_net.h
Include the contents of netvsc_api.h into hyperv_net.h.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv/hyperv_net.h')
-rw-r--r-- | drivers/staging/hv/hyperv_net.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/staging/hv/hyperv_net.h b/drivers/staging/hv/hyperv_net.h index 9eb5c86f1f7..1cd5602a7b9 100644 --- a/drivers/staging/hv/hyperv_net.h +++ b/drivers/staging/hv/hyperv_net.h @@ -25,4 +25,105 @@ #ifndef _HYPERV_NET_H #define _HYPERV_NET_H +#include "hyperv.h" + +/* Fwd declaration */ +struct hv_netvsc_packet; + +/* Represent the xfer page packet which contains 1 or more netvsc packet */ +struct xferpage_packet { + struct list_head list_ent; + + /* # of netvsc packets this xfer packet contains */ + u32 count; +}; + +/* The number of pages which are enough to cover jumbo frame buffer. */ +#define NETVSC_PACKET_MAXPAGE 4 + +/* + * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame + * within the RNDIS + */ +struct hv_netvsc_packet { + /* Bookkeeping stuff */ + struct list_head list_ent; + + struct hv_device *device; + bool is_data_pkt; + + /* + * Valid only for receives when we break a xfer page packet + * into multiple netvsc packets + */ + struct xferpage_packet *xfer_page_pkt; + + union { + struct { + u64 recv_completion_tid; + void *recv_completion_ctx; + void (*recv_completion)(void *context); + } recv; + struct { + u64 send_completion_tid; + void *send_completion_ctx; + void (*send_completion)(void *context); + } send; + } completion; + + /* This points to the memory after page_buf */ + void *extension; + + u32 total_data_buflen; + /* Points to the send/receive buffer where the ethernet frame is */ + u32 page_buf_cnt; + struct hv_page_buffer page_buf[NETVSC_PACKET_MAXPAGE]; +}; + +/* Represents the net vsc driver */ +struct netvsc_driver { + /* Must be the first field */ + /* Which is a bug FIXME! */ + struct hv_driver base; + + u32 ring_buf_size; + u32 req_ext_size; + + /* + * This is set by the caller to allow us to callback when we + * receive a packet from the "wire" + */ + int (*recv_cb)(struct hv_device *dev, + struct hv_netvsc_packet *packet); + void (*link_status_change)(struct hv_device *dev, u32 status); + + /* Specific to this driver */ + int (*send)(struct hv_device *dev, struct hv_netvsc_packet *packet); + + void *ctx; +}; + +static inline +struct netvsc_driver *drv_to_netvscdrv(struct device_driver *d) +{ + struct hv_driver *hvdrv = drv_to_hv_drv(d); + return container_of(hvdrv, struct netvsc_driver, base); +} + +struct netvsc_device_info { + unsigned char mac_adr[6]; + bool link_state; /* 0 - link up, 1 - link down */ +}; + +/* Interface */ +int netvsc_device_add(struct hv_device *device, void *additional_info); +int netvsc_device_remove(struct hv_device *device); +int netvsc_initialize(struct hv_driver *drv); +int rndis_filter_open(struct hv_device *dev); +int rndis_filter_close(struct hv_device *dev); +int rndis_filte_device_add(struct hv_device *dev, + void *additional_info); +int rndis_filter_device_remove(struct hv_device *dev); + + #endif /* _HYPERV_NET_H */ |