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authorKY Srinivasan <kys@microsoft.com>2014-03-08 19:23:14 -0800
committerDavid S. Miller <davem@davemloft.net>2014-03-10 15:51:37 -0400
commit8a00251a3682a23649cef36949c8019f8589c021 (patch)
tree1419e8e548d3d61696e6618f2aabcf33773ecf47 /drivers/net/hyperv/rndis_filter.c
parent54a7357f7ac408be4ef4ca82900bd24cb6789f36 (diff)
downloadop-kernel-dev-8a00251a3682a23649cef36949c8019f8589c021.zip
op-kernel-dev-8a00251a3682a23649cef36949c8019f8589c021.tar.gz
Drivers: net: hyperv: Cleanup the send path
In preparation for enabling offloads, cleanup the send path. 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>
Diffstat (limited to 'drivers/net/hyperv/rndis_filter.c')
-rw-r--r--drivers/net/hyperv/rndis_filter.c66
1 files changed, 0 insertions, 66 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index f0cc8ef..eaa1499 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -891,69 +891,3 @@ int rndis_filter_close(struct hv_device *dev)
return rndis_filter_close_device(nvdev->extension);
}
-
-int rndis_filter_send(struct hv_device *dev,
- struct hv_netvsc_packet *pkt)
-{
- struct rndis_message *rndis_msg;
- struct rndis_packet *rndis_pkt;
- u32 rndis_msg_size;
- bool isvlan = pkt->vlan_tci & VLAN_TAG_PRESENT;
-
- /* Add the rndis header */
- rndis_msg = (struct rndis_message *)pkt->extension;
-
- rndis_msg_size = RNDIS_MESSAGE_SIZE(struct rndis_packet);
- if (isvlan)
- rndis_msg_size += NDIS_VLAN_PPI_SIZE;
-
- rndis_msg->ndis_msg_type = RNDIS_MSG_PACKET;
- rndis_msg->msg_len = pkt->total_data_buflen +
- rndis_msg_size;
-
- rndis_pkt = &rndis_msg->msg.pkt;
- rndis_pkt->data_offset = sizeof(struct rndis_packet);
- if (isvlan)
- rndis_pkt->data_offset += NDIS_VLAN_PPI_SIZE;
- rndis_pkt->data_len = pkt->total_data_buflen;
-
- if (isvlan) {
- struct rndis_per_packet_info *ppi;
- struct ndis_pkt_8021q_info *vlan;
-
- rndis_pkt->per_pkt_info_offset = sizeof(struct rndis_packet);
- rndis_pkt->per_pkt_info_len = NDIS_VLAN_PPI_SIZE;
-
- ppi = (struct rndis_per_packet_info *)((ulong)rndis_pkt +
- rndis_pkt->per_pkt_info_offset);
- ppi->size = NDIS_VLAN_PPI_SIZE;
- ppi->type = IEEE_8021Q_INFO;
- ppi->ppi_offset = sizeof(struct rndis_per_packet_info);
-
- vlan = (struct ndis_pkt_8021q_info *)((ulong)ppi +
- ppi->ppi_offset);
- vlan->vlanid = pkt->vlan_tci & VLAN_VID_MASK;
- vlan->pri = (pkt->vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
- }
-
- pkt->is_data_pkt = true;
- pkt->page_buf[0].pfn = virt_to_phys(rndis_msg) >> PAGE_SHIFT;
- pkt->page_buf[0].offset =
- (unsigned long)rndis_msg & (PAGE_SIZE-1);
- pkt->page_buf[0].len = rndis_msg_size;
-
- /* Add one page_buf if the rndis msg goes beyond page boundary */
- if (pkt->page_buf[0].offset + rndis_msg_size > PAGE_SIZE) {
- int i;
- for (i = pkt->page_buf_cnt; i > 1; i--)
- pkt->page_buf[i] = pkt->page_buf[i-1];
- pkt->page_buf_cnt++;
- pkt->page_buf[0].len = PAGE_SIZE - pkt->page_buf[0].offset;
- pkt->page_buf[1].pfn = virt_to_phys((void *)((ulong)
- rndis_msg + pkt->page_buf[0].len)) >> PAGE_SHIFT;
- pkt->page_buf[1].offset = 0;
- pkt->page_buf[1].len = rndis_msg_size - pkt->page_buf[0].len;
- }
-
- return netvsc_send(dev, pkt);
-}
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