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netfilter: gre: Use consistent GRE_* macros instead of ones defined by netfilter.

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There are already some GRE_* macros in kernel, so it is unnecessary
to define these macros. And remove some useless macros

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao Feng 2016-08-25 23:08:11 +08:00 • committed by Pablo Neira Ayuso
parent cf86799e81
commit ecc6569f35
4 changed files with 7 additions and 24 deletions
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include/uapi/linux/if_tunnel.h
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@ -39,6 +39,7 @@
#define GRE_IS_REC(f) ((f) & GRE_REC)
#define GRE_IS_ACK(f) ((f) & GRE_ACK)
#define GRE_VERSION_0 __cpu_to_be16(0x0000)
#define GRE_VERSION_1 __cpu_to_be16(0x0001)
#define GRE_PROTO_PPP __cpu_to_be16(0x880b)
#define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff)