hv_netvsc: Eliminate page_buf from struct hv_netvsc_packet
Eliminate page_buf from struct hv_netvsc_packet.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 081f14f..18058a59 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -702,7 +702,8 @@
unsigned int section_index,
u32 pend_size,
struct hv_netvsc_packet *packet,
- struct rndis_message *rndis_msg)
+ struct rndis_message *rndis_msg,
+ struct hv_page_buffer **pb)
{
char *start = net_device->send_buf;
char *dest = start + (section_index * net_device->send_section_size)
@@ -723,9 +724,9 @@
}
for (i = 0; i < page_count; i++) {
- char *src = phys_to_virt(packet->page_buf[i].pfn << PAGE_SHIFT);
- u32 offset = packet->page_buf[i].offset;
- u32 len = packet->page_buf[i].len;
+ char *src = phys_to_virt((*pb)[i].pfn << PAGE_SHIFT);
+ u32 offset = (*pb)[i].offset;
+ u32 len = (*pb)[i].len;
memcpy(dest, (src + offset), len);
msg_size += len;
@@ -742,7 +743,8 @@
static inline int netvsc_send_pkt(
struct hv_netvsc_packet *packet,
- struct netvsc_device *net_device)
+ struct netvsc_device *net_device,
+ struct hv_page_buffer **pb)
{
struct nvsp_message nvmsg;
u16 q_idx = packet->q_idx;
@@ -789,8 +791,8 @@
packet->xmit_more = false;
if (packet->page_buf_cnt) {
- pgbuf = packet->cp_partial ? packet->page_buf +
- packet->rmsg_pgcnt : packet->page_buf;
+ pgbuf = packet->cp_partial ? (*pb) +
+ packet->rmsg_pgcnt : (*pb);
ret = vmbus_sendpacket_pagebuffer_ctl(out_channel,
pgbuf,
packet->page_buf_cnt,
@@ -838,7 +840,8 @@
int netvsc_send(struct hv_device *device,
struct hv_netvsc_packet *packet,
- struct rndis_message *rndis_msg)
+ struct rndis_message *rndis_msg,
+ struct hv_page_buffer **pb)
{
struct netvsc_device *net_device;
int ret = 0, m_ret = 0;
@@ -891,7 +894,7 @@
if (section_index != NETVSC_INVALID_INDEX) {
netvsc_copy_to_send_buf(net_device,
section_index, msd_len,
- packet, rndis_msg);
+ packet, rndis_msg, pb);
packet->send_buf_index = section_index;
@@ -922,7 +925,7 @@
}
if (msd_send) {
- m_ret = netvsc_send_pkt(msd_send, net_device);
+ m_ret = netvsc_send_pkt(msd_send, net_device, pb);
if (m_ret != 0) {
netvsc_free_send_slot(net_device,
@@ -932,7 +935,7 @@
}
if (cur_send)
- ret = netvsc_send_pkt(cur_send, net_device);
+ ret = netvsc_send_pkt(cur_send, net_device, pb);
if (ret != 0 && section_index != NETVSC_INVALID_INDEX)
netvsc_free_send_slot(net_device, section_index);