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authorstephen hemminger <stephen@networkplumber.org>2017-04-07 14:41:19 -0400
committerDavid S. Miller <davem@davemloft.net>2017-04-09 18:14:25 -0700
commitf9645430ef5f53ddf0ddd481e9f70f6fce7ccff2 (patch)
treef433c3de0f1f82c5c0d8c18a8ca398197c0ed54f
parentcdd3210c3d06c221fa46594e1a07ae48d8220668 (diff)
netvsc: use napi_consume_skb
This allows using deferred skb freeing and with NAPI. And get buffer recycling. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/hyperv/netvsc.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 7ab06b338a14..fd21d5aab580 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -601,7 +601,8 @@ static inline void netvsc_free_send_slot(struct netvsc_device *net_device,
static void netvsc_send_tx_complete(struct netvsc_device *net_device,
struct vmbus_channel *incoming_channel,
struct hv_device *device,
- const struct vmpacket_descriptor *desc)
+ const struct vmpacket_descriptor *desc,
+ int budget)
{
struct sk_buff *skb = (struct sk_buff *)(unsigned long)desc->trans_id;
struct net_device *ndev = hv_get_drvdata(device);
@@ -628,7 +629,7 @@ static void netvsc_send_tx_complete(struct netvsc_device *net_device,
tx_stats->bytes += packet->total_bytes;
u64_stats_update_end(&tx_stats->syncp);
- dev_consume_skb_any(skb);
+ napi_consume_skb(skb, budget);
}
queue_sends =
@@ -646,7 +647,8 @@ static void netvsc_send_tx_complete(struct netvsc_device *net_device,
static void netvsc_send_completion(struct netvsc_device *net_device,
struct vmbus_channel *incoming_channel,
struct hv_device *device,
- const struct vmpacket_descriptor *desc)
+ const struct vmpacket_descriptor *desc,
+ int budget)
{
struct nvsp_message *nvsp_packet = hv_pkt_data(desc);
struct net_device *ndev = hv_get_drvdata(device);
@@ -664,7 +666,7 @@ static void netvsc_send_completion(struct netvsc_device *net_device,
case NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE:
netvsc_send_tx_complete(net_device, incoming_channel,
- device, desc);
+ device, desc, budget);
break;
default:
@@ -1174,14 +1176,16 @@ static int netvsc_process_raw_pkt(struct hv_device *device,
struct vmbus_channel *channel,
struct netvsc_device *net_device,
struct net_device *ndev,
- const struct vmpacket_descriptor *desc)
+ const struct vmpacket_descriptor *desc,
+ int budget)
{
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct nvsp_message *nvmsg = hv_pkt_data(desc);
switch (desc->type) {
case VM_PKT_COMP:
- netvsc_send_completion(net_device, channel, device, desc);
+ netvsc_send_completion(net_device, channel, device,
+ desc, budget);
break;
case VM_PKT_DATA_USING_XFER_PAGES:
@@ -1230,7 +1234,7 @@ int netvsc_poll(struct napi_struct *napi, int budget)
while (nvchan->desc && work_done < budget) {
work_done += netvsc_process_raw_pkt(device, channel, net_device,
- ndev, nvchan->desc);
+ ndev, nvchan->desc, budget);
nvchan->desc = hv_pkt_iter_next(channel, nvchan->desc);
}