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networkd: introduce gre tunnel

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This patch enables gre tunnel support.

example conf:

file : gre.netdev
[NetDev]
Name=gre-tun
Kind=gre
MTUBytes=1480

[Tunnel]
Local=X.X.X.X
Remote=X.X.X.X

file: gre.network
[Match]
Name=em1

[Network]
Tunnel=gre-tun

TODO:

Add more attributes for gre tunnel
IFLA_GRE_IFLAGS
IFLA_GRE_IFLAGS
IFLA_GRE_IKEY
IFLA_GRE_OKEY
This commit is contained in:
Susant Sahani
2014-06-02 16:13:00 +02:00
committed by Tom Gundersen
parent 4d7ec9fc36
commit 8bb088c5d4
2 changed files with 127 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libsystemd/sd-rtnl/rtnl-types.c
+17
View File
@@ -117,6 +117,19 @@ static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
[IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NLA_U16 },
};
static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
[IFLA_GRE_LINK] = { .type = NLA_U32 },
[IFLA_GRE_IFLAGS] = { .type = NLA_U16 },
[IFLA_GRE_OFLAGS] = { .type = NLA_U16 },
[IFLA_GRE_IKEY] = { .type = NLA_U32 },
[IFLA_GRE_OKEY] = { .type = NLA_U32 },
[IFLA_GRE_LOCAL] = { .type = NLA_IN_ADDR },
[IFLA_GRE_REMOTE] = { .type = NLA_IN_ADDR },
[IFLA_GRE_TTL] = { .type = NLA_U8 },
[IFLA_GRE_TOS] = { .type = NLA_U8 },
[IFLA_GRE_PMTUDISC] = { .type = NLA_U8 },
};
typedef enum NLUnionLinkInfoData {
NL_UNION_LINK_INFO_DATA_BOND,
NL_UNION_LINK_INFO_DATA_BRIDGE,
@@ -124,6 +137,7 @@ typedef enum NLUnionLinkInfoData {
NL_UNION_LINK_INFO_DATA_VETH,
NL_UNION_LINK_INFO_DATA_MACVLAN,
NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL,
NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL,
NL_UNION_LINK_INFO_DATA_SIT_TUNNEL,
_NL_UNION_LINK_INFO_DATA_MAX,
_NL_UNION_LINK_INFO_DATA_INVALID = -1
@@ -140,6 +154,7 @@ static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_
[NL_UNION_LINK_INFO_DATA_VETH] = "veth",
[NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
[NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
[NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
[NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
};
@@ -158,6 +173,8 @@ static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_D
.types = rtnl_link_info_data_macvlan_types },
[NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
.types = rtnl_link_info_data_iptun_types },
[NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
.types = rtnl_link_info_data_ipgre_types },
[NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
.types = rtnl_link_info_data_iptun_types },
};