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net: define gso types for IPx over IPv4 and IPv6

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This patch defines two new GSO definitions SKB_GSO_IPXIP4 and
SKB_GSO_IPXIP6 along with corresponding NETIF_F_GSO_IPXIP4 and
NETIF_F_GSO_IPXIP6. These are used to described IP in IP
tunnel and what the outer protocol is. The inner protocol
can be deduced from other GSO types (e.g. SKB_GSO_TCPV4 and
SKB_GSO_TCPV6). The GSO types of SKB_GSO_IPIP and SKB_GSO_SIT
are removed (these are both instances of SKB_GSO_IPXIP4).
SKB_GSO_IPXIP6 will be used when support for GSO with IP
encapsulation over IPv6 is added.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert
2016-05-18 09:06:10 -07:00
committed by David S. Miller
parent 5c7cdf339a
commit 7e13318daa
19 changed files with 37 additions and 50 deletions
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4
include/linux/skbuff.h
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@@ -471,9 +471,9 @@ enum {
SKB_GSO_GRE_CSUM = 1 << 8,
SKB_GSO_IPIP = 1 << 9,
SKB_GSO_IPXIP4 = 1 << 9,
SKB_GSO_SIT = 1 << 10,
SKB_GSO_IPXIP6 = 1 << 10,
SKB_GSO_UDP_TUNNEL = 1 << 11,