}
}
+static void netvsc_process_raw_pkt(struct hv_device *device,
+ struct vmbus_channel *channel,
+ struct netvsc_device *net_device,
+ struct net_device *ndev,
+ u64 request_id,
+ struct vmpacket_descriptor *desc)
+{
+ struct nvsp_message *nvmsg;
+
+ nvmsg = (struct nvsp_message *)((unsigned long)
+ desc + (desc->offset8 << 3));
+
+ switch (desc->type) {
+ case VM_PKT_COMP:
+ netvsc_send_completion(net_device, channel, device, desc);
+ break;
+
+ case VM_PKT_DATA_USING_XFER_PAGES:
+ netvsc_receive(net_device, channel, device, desc);
+ break;
+
+ case VM_PKT_DATA_INBAND:
+ netvsc_receive_inband(device, net_device, nvmsg);
+ break;
+
+ default:
+ netdev_err(ndev, "unhandled packet type %d, tid %llx\n",
+ desc->type, request_id);
+ break;
+ }
+}
+
+
void netvsc_channel_cb(void *context)
{
int ret;
unsigned char *buffer;
int bufferlen = NETVSC_PACKET_SIZE;
struct net_device *ndev;
- struct nvsp_message *nvmsg;
+ bool need_to_commit = false;
if (channel->primary_channel != NULL)
device = channel->primary_channel->device_obj;
buffer = get_per_channel_state(channel);
do {
+ desc = get_next_pkt_raw(channel);
+ if (desc != NULL) {
+ netvsc_process_raw_pkt(device,
+ channel,
+ net_device,
+ ndev,
+ desc->trans_id,
+ desc);
+
+ put_pkt_raw(channel, desc);
+ need_to_commit = true;
+ continue;
+ }
+ if (need_to_commit) {
+ need_to_commit = false;
+ commit_rd_index(channel);
+ }
+
ret = vmbus_recvpacket_raw(channel, buffer, bufferlen,
&bytes_recvd, &request_id);
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,
- channel,
- device, desc);
- break;
-
- case VM_PKT_DATA_USING_XFER_PAGES:
- netvsc_receive(net_device, channel,
- device, desc);
- break;
-
- case VM_PKT_DATA_INBAND:
- netvsc_receive_inband(device,
- net_device,
- nvmsg);
- break;
-
- default:
- netdev_err(ndev,
- "unhandled packet type %d, "
- "tid %llx len %d\n",
- desc->type, request_id,
- bytes_recvd);
- break;
- }
+ netvsc_process_raw_pkt(device,
+ channel,
+ net_device,
+ ndev,
+ request_id,
+ desc);
+
} else {
/*