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path: root/drivers/net/hyperv/netvsc_drv.c
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Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
-rw-r--r--drivers/net/hyperv/netvsc_drv.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 939e3af60ec..4fd71b75e66 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -224,9 +224,11 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb,
if (nvsc_dev == NULL || ndev->real_num_tx_queues <= 1)
return 0;
- if (netvsc_set_hash(&hash, skb))
+ if (netvsc_set_hash(&hash, skb)) {
q_idx = nvsc_dev->send_table[hash % VRSS_SEND_TAB_SIZE] %
ndev->real_num_tx_queues;
+ skb_set_hash(skb, hash, PKT_HASH_TYPE_L3);
+ }
return q_idx;
}
@@ -384,6 +386,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
struct ndis_tcp_lso_info *lso_info;
int hdr_offset;
u32 net_trans_info;
+ u32 hash;
/* We will atmost need two pages to describe the rndis
@@ -402,9 +405,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
packet = kzalloc(sizeof(struct hv_netvsc_packet) +
(num_data_pgs * sizeof(struct hv_page_buffer)) +
sizeof(struct rndis_message) +
- NDIS_VLAN_PPI_SIZE +
- NDIS_CSUM_PPI_SIZE +
- NDIS_LSO_PPI_SIZE, GFP_ATOMIC);
+ NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE +
+ NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE, GFP_ATOMIC);
if (!packet) {
/* out of memory, drop packet */
netdev_err(net, "unable to allocate hv_netvsc_packet\n");
@@ -443,6 +445,14 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
rndis_msg_size = RNDIS_MESSAGE_SIZE(struct rndis_packet);
+ hash = skb_get_hash_raw(skb);
+ if (hash != 0 && net->real_num_tx_queues > 1) {
+ rndis_msg_size += NDIS_HASH_PPI_SIZE;
+ ppi = init_ppi_data(rndis_msg, NDIS_HASH_PPI_SIZE,
+ NBL_HASH_VALUE);
+ *(u32 *)((void *)ppi + ppi->ppi_offset) = hash;
+ }
+
if (isvlan) {
struct ndis_pkt_8021q_info *vlan;
@@ -467,6 +477,10 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
if (skb_is_gso(skb))
goto do_lso;
+ if ((skb->ip_summed == CHECKSUM_NONE) ||
+ (skb->ip_summed == CHECKSUM_UNNECESSARY))
+ goto do_send;
+
rndis_msg_size += NDIS_CSUM_PPI_SIZE;
ppi = init_ppi_data(rndis_msg, NDIS_CSUM_PPI_SIZE,
TCPIP_CHKSUM_PKTINFO);
@@ -640,8 +654,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
packet->vlan_tci);
skb_record_rx_queue(skb, packet->channel->
- offermsg.offer.sub_channel_index %
- net->real_num_rx_queues);
+ offermsg.offer.sub_channel_index);
net->stats.rx_packets++;
net->stats.rx_bytes += packet->total_data_buflen;
@@ -807,7 +820,7 @@ static int netvsc_probe(struct hv_device *dev,
net->features = NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_SG | NETIF_F_RXCSUM |
NETIF_F_IP_CSUM | NETIF_F_TSO;
- SET_ETHTOOL_OPS(net, &ethtool_ops);
+ net->ethtool_ops = &ethtool_ops;
SET_NETDEV_DEV(net, &dev->device);
/* Notify the netvsc driver of the new device */
@@ -824,8 +837,6 @@ static int netvsc_probe(struct hv_device *dev,
nvdev = hv_get_drvdata(dev);
netif_set_real_num_tx_queues(net, nvdev->num_chn);
netif_set_real_num_rx_queues(net, nvdev->num_chn);
- dev_info(&dev->device, "real num tx,rx queues:%u, %u\n",
- net->real_num_tx_queues, net->real_num_rx_queues);
ret = register_netdev(net);
if (ret != 0) {