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authorAlexey Kodanev <alexey.kodanev@oracle.com>2015-03-13 19:13:53 +0300
committerDavid S. Miller <davem@davemloft.net>2015-03-13 20:08:07 +0300
commit40fb70f3aa0a67d28a30c854d4e7aa10b0511db9 (patch)
treea6aa7450acf5919c7ff1eabca584881e70819672 /include/kvm
parentb57578b3d5f53016c18a9ae5365cc6e05cd70c7a (diff)
downloadlinux-40fb70f3aa0a67d28a30c854d4e7aa10b0511db9.tar.xz
vxlan: fix wrong usage of VXLAN_VID_MASK
commit dfd8645ea1bd9127 wrongly assumes that VXLAN_VDI_MASK includes eight lower order reserved bits of VNI field that are using for remote checksum offload. Right now, when VNI number greater then 0xffff, vxlan_udp_encap_recv() will always return with 'bad_flag' error, reducing the usable vni range from 0..16777215 to 0..65535. Also, it doesn't really check whether RCO bits processed or not. Fix it by adding new VNI mask which has all 32 bits of VNI field: 24 bits for id and 8 bits for other usage. Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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