diff options
| author | Haiyang Zhang <haiyangz@microsoft.com> | 2015-07-24 20:08:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-07-27 11:12:26 +0300 |
| commit | 71790a2792c8772e29bf5aa726215d9256ef93dc (patch) | |
| tree | 5183192aaffe1f195ede5be8bcea6cd00e7366d0 /drivers/net/hyperv/netvsc.c | |
| parent | 70d2db7b21684bb2b808e78fbab8e594dd7e50ce (diff) | |
| download | linux-71790a2792c8772e29bf5aa726215d9256ef93dc.tar.xz | |
hv_netvsc: Add structs and handlers for VF messages
This patch adds data structures and handlers for messages related
to SRIOV Virtual Function.
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>
Diffstat (limited to 'drivers/net/hyperv/netvsc.c')
| -rw-r--r-- | drivers/net/hyperv/netvsc.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 23126a74f357..51e4c0fd0a74 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -453,13 +453,16 @@ static int negotiate_nvsp_ver(struct hv_device *device, if (nvsp_ver == NVSP_PROTOCOL_VERSION_1) return 0; - /* NVSPv2 only: Send NDIS config */ + /* NVSPv2 or later: Send NDIS config */ memset(init_packet, 0, sizeof(struct nvsp_message)); init_packet->hdr.msg_type = NVSP_MSG2_TYPE_SEND_NDIS_CONFIG; init_packet->msg.v2_msg.send_ndis_config.mtu = net_device->ndev->mtu + ETH_HLEN; init_packet->msg.v2_msg.send_ndis_config.capability.ieee8021q = 1; + if (nvsp_ver >= NVSP_PROTOCOL_VERSION_5) + init_packet->msg.v2_msg.send_ndis_config.capability.sriov = 1; + ret = vmbus_sendpacket(device->channel, init_packet, sizeof(struct nvsp_message), (unsigned long)init_packet, @@ -1064,11 +1067,10 @@ static void netvsc_receive(struct netvsc_device *net_device, static void netvsc_send_table(struct hv_device *hdev, - struct vmpacket_descriptor *vmpkt) + struct nvsp_message *nvmsg) { struct netvsc_device *nvscdev; struct net_device *ndev; - struct nvsp_message *nvmsg; int i; u32 count, *tab; @@ -1077,12 +1079,6 @@ static void netvsc_send_table(struct hv_device *hdev, return; ndev = nvscdev->ndev; - nvmsg = (struct nvsp_message *)((unsigned long)vmpkt + - (vmpkt->offset8 << 3)); - - if (nvmsg->hdr.msg_type != NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE) - return; - count = nvmsg->msg.v5_msg.send_table.count; if (count != VRSS_SEND_TAB_SIZE) { netdev_err(ndev, "Received wrong send-table size:%u\n", count); @@ -1096,6 +1092,28 @@ static void netvsc_send_table(struct hv_device *hdev, nvscdev->send_table[i] = tab[i]; } +static void netvsc_send_vf(struct netvsc_device *nvdev, + struct nvsp_message *nvmsg) +{ + nvdev->vf_alloc = nvmsg->msg.v4_msg.vf_assoc.allocated; + nvdev->vf_serial = nvmsg->msg.v4_msg.vf_assoc.serial; +} + +static inline void netvsc_receive_inband(struct hv_device *hdev, + struct netvsc_device *nvdev, + struct nvsp_message *nvmsg) +{ + switch (nvmsg->hdr.msg_type) { + case NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE: + netvsc_send_table(hdev, nvmsg); + break; + + case NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION: + netvsc_send_vf(nvdev, nvmsg); + break; + } +} + void netvsc_channel_cb(void *context) { int ret; @@ -1108,6 +1126,7 @@ void netvsc_channel_cb(void *context) unsigned char *buffer; int bufferlen = NETVSC_PACKET_SIZE; struct net_device *ndev; + struct nvsp_message *nvmsg; if (channel->primary_channel != NULL) device = channel->primary_channel->device_obj; @@ -1126,6 +1145,8 @@ void netvsc_channel_cb(void *context) if (ret == 0) { if (bytes_recvd > 0) { desc = (struct vmpacket_descriptor *)buffer; + nvmsg = (struct nvsp_message *)((unsigned long) + desc + (desc->offset8 << 3)); switch (desc->type) { case VM_PKT_COMP: netvsc_send_completion(net_device, @@ -1138,7 +1159,9 @@ void netvsc_channel_cb(void *context) break; case VM_PKT_DATA_INBAND: - netvsc_send_table(device, desc); + netvsc_receive_inband(device, + net_device, + nvmsg); break; default: |