diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 29 | ||||
| -rw-r--r-- | drivers/net/hyperv/netvsc.c | 43 |
2 files changed, 62 insertions, 10 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 925b75d4d910..5ce7020ca530 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -541,6 +541,29 @@ union nvsp_2_message_uber { struct nvsp_2_free_rxbuf free_rxbuf; } __packed; +struct nvsp_4_send_vf_association { + /* 1: allocated, serial number is valid. 0: not allocated */ + u32 allocated; + + /* Serial number of the VF to team with */ + u32 serial; +} __packed; + +enum nvsp_vm_datapath { + NVSP_DATAPATH_SYNTHETIC = 0, + NVSP_DATAPATH_VF, + NVSP_DATAPATH_MAX +}; + +struct nvsp_4_sw_datapath { + u32 active_datapath; /* active data path in VM */ +} __packed; + +union nvsp_4_message_uber { + struct nvsp_4_send_vf_association vf_assoc; + struct nvsp_4_sw_datapath active_dp; +} __packed; + enum nvsp_subchannel_operation { NVSP_SUBCHANNEL_NONE = 0, NVSP_SUBCHANNEL_ALLOCATE, @@ -578,6 +601,7 @@ 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_4_message_uber v4_msg; union nvsp_5_message_uber v5_msg; } __packed; @@ -691,6 +715,11 @@ struct netvsc_device { /* The net device context */ struct net_device_context *nd_ctx; + + /* 1: allocated, serial number is valid. 0: not allocated */ + u32 vf_alloc; + /* Serial number of the VF to team with */ + u32 vf_serial; }; /* NdisInitialize message */ 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: |