linux: Backport Hyper-V network driver

[ipfire-2.x.git] / src / patches / linux / 0012-Drivers-net-hyperv-Allocate-memory-for-all-possible-.patch

diff --git a/src/patches/linux/0012-Drivers-net-hyperv-Allocate-memory-for-all-possible-.patch b/src/patches/linux/0012-Drivers-net-hyperv-Allocate-memory-for-all-possible-.patch
new file mode 100644 (file)
index 0000000..c626bb0
--- /dev/null
+++ b/src/patches/linux/0012-Drivers-net-hyperv-Allocate-memory-for-all-possible-.patch
@@ -0,0 +1,34 @@
+From e0f6906eb7e5b395370da9499189d13b59020382 Mon Sep 17 00:00:00 2001
+From: KY Srinivasan <kys@microsoft.com>
+Date: Wed, 9 Apr 2014 15:00:45 -0700
+Subject: [PATCH 12/25] Drivers: net: hyperv: Allocate memory for all possible
+ per-pecket information
+
+An outgoing packet can potentially need per-packet information for
+all the offloads and VLAN tagging. Fix this issue.
+
+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>
+---
+ drivers/net/hyperv/netvsc_drv.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
+index 5baa1fa7e692..c76c85176644 100644
+--- a/drivers/net/hyperv/netvsc_drv.c
++++ b/drivers/net/hyperv/netvsc_drv.c
+@@ -320,7 +320,9 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
+       packet = kzalloc(sizeof(struct hv_netvsc_packet) +
+                        (num_data_pgs * sizeof(struct hv_page_buffer)) +
+                        sizeof(struct rndis_message) +
+-                       NDIS_VLAN_PPI_SIZE, GFP_ATOMIC);
++                       NDIS_VLAN_PPI_SIZE +
++                       NDIS_CSUM_PPI_SIZE +
++                       NDIS_LSO_PPI_SIZE, GFP_ATOMIC);
+       if (!packet) {
+               /* out of memory, drop packet */
+               netdev_err(net, "unable to allocate hv_netvsc_packet\n");
+-- 
+2.4.3
+