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hv_netvsc: Eliminate status from struct hv_netvsc_packet

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Eliminate status from struct hv_netvsc_packet.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
KY Srinivasan 2015-12-01 16:43:18 -08:00 committed by David S. Miller
parent bde79be529
commit 10082f9887
4 changed files with 13 additions and 22 deletions
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1
drivers/net/hyperv/hyperv_net.h
View File

@ -130,7 +130,6 @@ struct ndis_tcp_ip_checksum_info;
*/
struct hv_netvsc_packet {
/* Bookkeeping stuff */
u8 status;
u8 cp_partial; /* partial copy into send buffer */
u8 rmsg_size; /* RNDIS header and PPI size */

6
drivers/net/hyperv/netvsc.c
View File

@ -1045,17 +1045,15 @@ static void netvsc_receive(struct netvsc_device *net_device,
/* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */
for (i = 0; i < count; i++) {
/* Initialize the netvsc packet */
netvsc_packet->status = NVSP_STAT_SUCCESS;
data = (void *)((unsigned long)net_device->
recv_buf + vmxferpage_packet->ranges[i].byte_offset);
netvsc_packet->total_data_buflen =
vmxferpage_packet->ranges[i].byte_count;
/* Pass it to the upper layer */
rndis_filter_receive(device, netvsc_packet, &data, channel);
status = rndis_filter_receive(device, netvsc_packet, &data,
channel);
if (netvsc_packet->status != NVSP_STAT_SUCCESS)
status = NVSP_STAT_FAIL;
}
netvsc_send_recv_completion(device, channel, net_device,

8
drivers/net/hyperv/netvsc_drv.c
View File

@ -471,8 +471,6 @@ check_size:
FIELD_SIZEOF(struct sk_buff, cb));
packet = (struct hv_netvsc_packet *)skb->cb;
packet->status = 0;
packet->vlan_tci = skb->vlan_tci;
packet->q_idx = skb_get_queue_mapping(skb);
@ -684,8 +682,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
net = ((struct netvsc_device *)hv_get_drvdata(device_obj))->ndev;
if (!net || net->reg_state != NETREG_REGISTERED) {
packet->status = NVSP_STAT_FAIL;
return 0;
return NVSP_STAT_FAIL;
}
net_device_ctx = netdev_priv(net);
rx_stats = this_cpu_ptr(net_device_ctx->rx_stats);
@ -694,8 +691,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
skb = netdev_alloc_skb_ip_align(net, packet->total_data_buflen);
if (unlikely(!skb)) {
++net->stats.rx_dropped;
packet->status = NVSP_STAT_FAIL;
return 0;
return NVSP_STAT_FAIL;
}
/*

20
drivers/net/hyperv/rndis_filter.c
View File

@ -344,7 +344,7 @@ static inline void *rndis_get_ppi(struct rndis_packet *rpkt, u32 type)
return NULL;
}
static void rndis_filter_receive_data(struct rndis_device *dev,
static int rndis_filter_receive_data(struct rndis_device *dev,
struct rndis_message *msg,
struct hv_netvsc_packet *pkt,
void **data,
@ -371,7 +371,7 @@ static void rndis_filter_receive_data(struct rndis_device *dev,
"overflow detected (got %u, min %u)"
"...dropping this message!\n",
pkt->total_data_buflen, rndis_pkt->data_len);
return;
return NVSP_STAT_FAIL;
}
/*
@ -391,7 +391,8 @@ static void rndis_filter_receive_data(struct rndis_device *dev,
}
csum_info = rndis_get_ppi(rndis_pkt, TCPIP_CHKSUM_PKTINFO);
netvsc_recv_callback(dev->net_dev->dev, pkt, data, csum_info, channel);
return netvsc_recv_callback(dev->net_dev->dev, pkt, data,
csum_info, channel);
}
int rndis_filter_receive(struct hv_device *dev,
@ -406,7 +407,7 @@ int rndis_filter_receive(struct hv_device *dev,
int ret = 0;
if (!net_dev) {
ret = -EINVAL;
ret = NVSP_STAT_FAIL;
goto exit;
}
@ -416,7 +417,7 @@ int rndis_filter_receive(struct hv_device *dev,
if (!net_dev->extension) {
netdev_err(ndev, "got rndis message but no rndis device - "
"dropping this message!\n");
ret = -ENODEV;
ret = NVSP_STAT_FAIL;
goto exit;
}
@ -424,7 +425,7 @@ int rndis_filter_receive(struct hv_device *dev,
if (rndis_dev->state == RNDIS_DEV_UNINITIALIZED) {
netdev_err(ndev, "got rndis message but rndis device "
"uninitialized...dropping this message!\n");
ret = -ENODEV;
ret = NVSP_STAT_FAIL;
goto exit;
}
@ -436,8 +437,8 @@ int rndis_filter_receive(struct hv_device *dev,
switch (rndis_msg->ndis_msg_type) {
case RNDIS_MSG_PACKET:
/* data msg */
rndis_filter_receive_data(rndis_dev, rndis_msg, pkt,
data, channel);
ret = rndis_filter_receive_data(rndis_dev, rndis_msg, pkt,
data, channel);
break;
case RNDIS_MSG_INIT_C:
@ -460,9 +461,6 @@ int rndis_filter_receive(struct hv_device *dev,
}
exit:
if (ret != 0)
pkt->status = NVSP_STAT_FAIL;
return ret;
}