1 files changed, 18 insertions, 2 deletions

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 384ca4f4de4a..309adee6e791 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -128,9 +128,11 @@ struct ndis_tcp_ip_checksum_info;
 struct hv_netvsc_packet {
 	/* Bookkeeping stuff */
 	u32 status;
+	bool part_of_skb;
 
 	struct hv_device *device;
 	bool is_data_pkt;
+	bool xmit_more; /* from skb */
 	u16 vlan_tci;
 
 	u16 q_idx;
@@ -149,7 +151,7 @@ struct hv_netvsc_packet {
 	/* Points to the send/receive buffer where the ethernet frame is */
 	void *data;
 	u32 page_buf_cnt;
-	struct hv_page_buffer page_buf[0];
+	struct hv_page_buffer *page_buf;
 };
 
 struct netvsc_device_info {
@@ -596,7 +598,16 @@ struct nvsp_message {
 
 #define VRSS_SEND_TAB_SIZE 16
 
-/* Per netvsc channel-specific */
+#define RNDIS_MAX_PKT_DEFAULT 8
+#define RNDIS_PKT_ALIGN_DEFAULT 8
+
+struct multi_send_data {
+	spinlock_t lock; /* protect struct multi_send_data */
+	struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
+	u32 count; /* counter of batched packets */
+};
+
+/* Per netvsc device */
 struct netvsc_device {
 	struct hv_device *dev;
 
@@ -634,6 +645,7 @@ struct netvsc_device {
 
 	struct vmbus_channel *chn_table[NR_CPUS];
 	u32 send_table[VRSS_SEND_TAB_SIZE];
+	u32 max_chn;
 	u32 num_chn;
 	atomic_t queue_sends[NR_CPUS];
 
@@ -646,6 +658,10 @@ struct netvsc_device {
 	unsigned char *cb_buffer;
 	/* The sub channel callback buffer */
 	unsigned char *sub_cb_buf;
+
+	struct multi_send_data msd[NR_CPUS];
+	u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
+	u32 pkt_align; /* alignment bytes, e.g. 8 */
 };
 
 /* NdisInitialize message */