MFC [Hyper-V]: r293719-r293722, r293869-r293871, r293873-r293875, r293877

r293719 hyperv/hn: Implement LRO
r293720 hyperv/hn: Implement SIOC[SG]IFMEDIA support
r293721 hyperv/hn: Avoid mbuf cluster allocation, if the packet is small.
r293722 hyperv/hn: Removed unused netvsc_init()
r293869 hyperv/hn: Unbreak LINT-NOIP
r293870 hyperv: use x86 generic code to do the hypervisor detection
r293871 hyperv: remove unused vmbus definitions
r293873 hyperv: implement an event timer
r293874 hyperv: add interrupt counters
r293875 hyperv: set receive buffer size according to NVSP protocol version
r293877 Unbreak `make depend` with sys/modules/hyperv/vmbus after r293870

Approved by:	re (glebius), adrian (mentor)
Sponsored by:	Microsoft OSTC

1 files changed, 20 insertions, 1 deletions

diff --git a/sys/dev/hyperv/netvsc/hv_net_vsc.h b/sys/dev/hyperv/netvsc/hv_net_vsc.h
index 477a296..4e63b94 100644
--- a/sys/dev/hyperv/netvsc/hv_net_vsc.h
+++ b/sys/dev/hyperv/netvsc/hv_net_vsc.h
@@ -44,6 +44,12 @@
 #include <sys/malloc.h>
 #include <sys/sx.h>
 
+#include <netinet/in.h>
+#include <netinet/tcp_lro.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
 #include <dev/hyperv/include/hyperv.h>
 
 MALLOC_DECLARE(M_NETVSC);
@@ -851,7 +857,7 @@ typedef struct nvsp_msg_ {
 #define NETVSC_SEND_BUFFER_SIZE			(1024*1024*15)   /* 15M */
 #define NETVSC_SEND_BUFFER_ID			0xface
 
-
+#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY	(1024*1024*15) /* 15MB */
 #define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024*16) /* 16MB */
 
 #define NETVSC_RECEIVE_BUFFER_ID		0xcafe
@@ -984,6 +990,7 @@ typedef struct {
 typedef struct hn_softc {
 	struct ifnet    *hn_ifp;
 	struct arpcom   arpcom;
+	struct ifmedia	hn_media;
 	device_t        hn_dev;
 	uint8_t         hn_unit;
 	int             hn_carrier;
@@ -994,6 +1001,18 @@ typedef struct hn_softc {
 	int             temp_unusable;
 	struct hv_device  *hn_dev_obj;
 	netvsc_dev  	*net_dev;
+
+	struct lro_ctrl	hn_lro;
+	int		hn_lro_hiwat;
+
+	/* Trust tcp segments verification on host side */
+	int		hn_trust_hosttcp;
+
+	u_long		hn_csum_ip;
+	u_long		hn_csum_tcp;
+	u_long		hn_csum_trusted;
+	u_long		hn_lro_tried;
+	u_long		hn_small_pkts;
 } hn_softc_t;