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| author |   KY Srinivasan <kys@microsoft.com> | 2014-03-08 19:23:16 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-03-10 15:51:37 -0400 |
| commit | e3d605ed441cf4d113f9a1cf9e1b3f7cabe0d781 (patch) | |
| tree | e339f94436e35b9b68eb84ba9fe80f3315206563 /drivers/net/hyperv/hyperv_net.h | |
| parent | Drivers: net: hyperv: Enable offloads on the host (diff) | |
| download | linux-dev-e3d605ed441cf4d113f9a1cf9e1b3f7cabe0d781.tar.xz linux-dev-e3d605ed441cf4d113f9a1cf9e1b3f7cabe0d781.zip | |
Drivers: net: hyperv: Enable receive side IP checksum offload
Enable receive side checksum offload.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 8bc4e766589b..faeb74623fbd 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -30,6 +30,7 @@ /* Fwd declaration */ struct hv_netvsc_packet; +struct ndis_tcp_ip_checksum_info; /* Represent the xfer page packet which contains 1 or more netvsc packet */ struct xferpage_packet { @@ -117,7 +118,8 @@ int netvsc_send(struct hv_device *device, void netvsc_linkstatus_callback(struct hv_device *device_obj, unsigned int status); int netvsc_recv_callback(struct hv_device *device_obj, - struct hv_netvsc_packet *packet); + struct hv_netvsc_packet *packet, + struct ndis_tcp_ip_checksum_info *csum_info); int rndis_filter_open(struct hv_device *dev); int rndis_filter_close(struct hv_device *dev); int rndis_filter_device_add(struct hv_device *dev, @@ -776,9 +778,38 @@ struct ndis_offload_params { }; }; +struct ndis_tcp_ip_checksum_info { + union { + struct { + u32 is_ipv4:1; + u32 is_ipv6:1; + u32 tcp_checksum:1; + u32 udp_checksum:1; + u32 ip_header_checksum:1; + u32 reserved:11; + u32 tcp_header_offset:10; + } transmit; + struct { + u32 tcp_checksum_failed:1; + u32 udp_checksum_failed:1; + u32 ip_checksum_failed:1; + u32 tcp_checksum_succeeded:1; + u32 udp_checksum_succeeded:1; + u32 ip_checksum_succeeded:1; + u32 loopback:1; + u32 tcp_checksum_value_invalid:1; + u32 ip_checksum_value_invalid:1; + } receive; + u32 value; + }; +}; + #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ sizeof(struct ndis_pkt_8021q_info)) +#define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ + sizeof(struct ndis_tcp_ip_checksum_info)) + /* Format of Information buffer passed in a SetRequest for the OID */ /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ struct rndis_config_parameter_info { |