Attachment 162111 Details for Bug 203630 – Only disable checksum offloading on 10.2

[patch] Only disable checksum offloading on 10.2

disable_csum_20151016.patch (text/plain), 2.03 KB, created by Wei Hu on 2015-10-16 08:04:39 UTC

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Creator: Wei Hu

Created: 2015-10-16 08:04:39 UTC

Size: 2.03 KB

patch

obsolete

>diff -urp netvsc/hv_netvsc_drv_freebsd.c netvsc_mod/hv_netvsc_drv_freebsd.c
>--- netvsc/hv_netvsc_drv_freebsd.c	2015-10-16 15:06:18.757227000 +0800
>+++ netvsc_mod/hv_netvsc_drv_freebsd.c	2015-10-16 15:10:39.106963000 +0800
>@@ -340,18 +340,10 @@ netvsc_attach(device_t dev)
> 	 */
> 	ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
> 	ifp->if_capabilities |=
>-	    IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_HWCSUM | IFCAP_TSO;
>+	    IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_TSO;
> 	ifp->if_capenable |=
>-	    IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_HWCSUM | IFCAP_TSO;
>-	/*
>-	 * Only enable UDP checksum offloading when it is on 2012R2 or
>-	 * later. UDP checksum offloading doesn't work on earlier
>-	 * Windows releases.
>-	 */
>-	if (hv_vmbus_protocal_version >= HV_VMBUS_VERSION_WIN8_1)
>-		ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO;
>-	else
>-		ifp->if_hwassist = CSUM_TCP | CSUM_TSO;
>+	    IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_TSO;
>+	ifp->if_hwassist = CSUM_TSO;
> 
> 	ret = hv_rf_on_device_add(device_ctx, &device_info);
> 	if (ret != 0) {
>diff -urp netvsc/hv_rndis_filter.c netvsc_mod/hv_rndis_filter.c
>--- netvsc/hv_rndis_filter.c	2015-08-12 22:21:57.000000000 +0800
>+++ netvsc_mod/hv_rndis_filter.c	2015-10-16 15:11:42.928970000 +0800
>@@ -823,7 +823,7 @@ hv_rf_on_device_add(struct hv_device *de
> 	int ret;
> 	netvsc_dev *net_dev;
> 	rndis_device *rndis_dev;
>-	rndis_offload_params offloads;
>+	//rndis_offload_params offloads;
> 	netvsc_device_info *dev_info = (netvsc_device_info *)additl_info;
> 	device_t dev = device->device;
> 
>@@ -867,6 +867,7 @@ hv_rf_on_device_add(struct hv_device *de
> 		/* TODO: shut down rndis device and the channel */
> 	}
> 
>+#if 0
> 	/* config csum offload and send request to host */
> 	memset(&offloads, 0, sizeof(offloads));
> 	offloads.ipv4_csum = RNDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED;
>@@ -882,6 +883,7 @@ hv_rf_on_device_add(struct hv_device *de
> 		device_printf(dev,
> 		    "hv_rf_send_offload_request failed, ret=%d\n", ret);
> 	}
>+#endif
> 	
> 	memcpy(dev_info->mac_addr, rndis_dev->hw_mac_addr, HW_MACADDR_LEN);
>

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Attachments on bug 203630: 162011 | 162111 | 162763