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    Subject[PATCH 175/206] Staging: hv: Include the contents of netvsc_api.h
    Date
    The subject line says it all.

    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>
    ---
    drivers/staging/hv/hyperv_net.h | 107 +++++++++++++++++++++++++++++++++++++++
    1 files changed, 107 insertions(+), 0 deletions(-)

    diff --git a/drivers/staging/hv/hyperv_net.h b/drivers/staging/hv/hyperv_net.h
    index ce27244..2a00730 100644
    --- a/drivers/staging/hv/hyperv_net.h
    +++ b/drivers/staging/hv/hyperv_net.h
    @@ -21,3 +21,110 @@
    * K. Y. Srinivasan <kys@microsoft.com>
    *
    */
    +
    +#ifndef _HYPERV_NET_H
    +#define _HYPERV_NET_H
    +
    +#include <linux/list.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 */
    --
    1.7.4.1


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