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hyperv: Add latest NetVSP versions to auto negotiation

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It auto negotiates the highest NetVSP version supported by both guest and host.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haiyang Zhang
2014-02-19 15:49:45 -08:00
committed by David S. Miller
parent 86c1a04564
commit a1eabb0178
3 changed files with 70 additions and 10 deletions
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53
drivers/net/hyperv/hyperv_net.h
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@@ -139,6 +139,8 @@ int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
#define NVSP_PROTOCOL_VERSION_1 2
#define NVSP_PROTOCOL_VERSION_2 0x30002
#define NVSP_PROTOCOL_VERSION_4 0x40000
#define NVSP_PROTOCOL_VERSION_5 0x50000
enum {
NVSP_MSG_TYPE_NONE = 0,
@@ -193,6 +195,23 @@ enum {
NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
/* Version 4 messages */
NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
/* Version 5 messages */
NVSP_MSG5_TYPE_OID_QUERY_EX,
NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
NVSP_MSG5_TYPE_SUBCHANNEL,
NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
};
enum {
@@ -447,10 +466,44 @@ union nvsp_2_message_uber {
struct nvsp_2_free_rxbuf free_rxbuf;
} __packed;
enum nvsp_subchannel_operation {
NVSP_SUBCHANNEL_NONE = 0,
NVSP_SUBCHANNEL_ALLOCATE,
NVSP_SUBCHANNEL_MAX
};
struct nvsp_5_subchannel_request {
u32 op;
u32 num_subchannels;
} __packed;
struct nvsp_5_subchannel_complete {
u32 status;
u32 num_subchannels; /* Actual number of subchannels allocated */
} __packed;
struct nvsp_5_send_indirect_table {
/* The number of entries in the send indirection table */
u32 count;
/* The offset of the send indireciton table from top of this struct.
* The send indirection table tells which channel to put the send
* traffic on. Each entry is a channel number.
*/
u32 offset;
} __packed;
union nvsp_5_message_uber {
struct nvsp_5_subchannel_request subchn_req;
struct nvsp_5_subchannel_complete subchn_comp;
struct nvsp_5_send_indirect_table send_table;
} __packed;
union nvsp_all_messages {
union nvsp_message_init_uber init_msg;
union nvsp_1_message_uber v1_msg;
union nvsp_2_message_uber v2_msg;
union nvsp_5_message_uber v5_msg;
} __packed;
/* ALL Messages */