gre: Setup and TX path for gre/UDP foo-over-udp encapsulation

Added netlink attrs to configure FOU encapsulation for GRE, netlink handling of these flags, and properly adjust MTU for encapsulation. ip_tunnel_encap is called from ip_tunnel_xmit to actually perform FOU encapsulation.

Tom Herbert committed 12 years ago

Commit 4565e991 parent 473ab822 files · +89 −5Browse files

Showing the changes to include/uapi/linux (1 of 2 files). Show all

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include/uapi/linux/if_tunnel.h+4−0

@@ -106,6 +106,10 @@ enum { · 105 unmodified lines
106	106	IFLA_GRE_ENCAP_LIMIT,
107	107	IFLA_GRE_FLOWINFO,
108	108	IFLA_GRE_FLAGS,
	109	+ IFLA_GRE_ENCAP_TYPE,
	110	+ IFLA_GRE_ENCAP_FLAGS,
	111	+ IFLA_GRE_ENCAP_SPORT,
	112	+ IFLA_GRE_ENCAP_DPORT,
109	113	__IFLA_GRE_MAX,
110	114	};
111	115