leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'report-erspan-version-field-just-for-erspan-tunnels'

Browse Source 
Lorenzo Bianconi says:

====================
report erspan version field just for erspan tunnels

Do not report erspan_version to userpsace for non erspan tunnels.
Report IFLA_GRE_ERSPAN_INDEX only for erspan version 1 in
ip6gre_fill_info
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-02-21 16:02:10 -08:00
commit 31088cb5ca
2 changed files with 35 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
net/ipv4/ip_gre.c
View File

@ -1457,10 +1457,24 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
struct ip_tunnel_parm *p = &t->parms;
__be16 o_flags = p->o_flags;
if ((t->erspan_ver == 1 || t->erspan_ver == 2) &&
!t->collect_md)
if (t->erspan_ver == 1 || t->erspan_ver == 2) {
if (!t->collect_md)
o_flags |= TUNNEL_KEY;
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, t->erspan_ver))
goto nla_put_failure;
if (t->erspan_ver == 1) {
if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, t->index))
goto nla_put_failure;
} else {
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, t->dir))
goto nla_put_failure;
if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, t->hwid))
goto nla_put_failure;
}
}
if (nla_put_u32(skb, IFLA_GRE_LINK, p->link) ||
nla_put_be16(skb, IFLA_GRE_IFLAGS,
gre_tnl_flags_to_gre_flags(p->i_flags)) ||
@ -1495,19 +1509,6 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
goto nla_put_failure;
}
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, t->erspan_ver))
goto nla_put_failure;
if (t->erspan_ver == 1) {
if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, t->index))
goto nla_put_failure;
} else if (t->erspan_ver == 2) {
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, t->dir))
goto nla_put_failure;
if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, t->hwid))
goto nla_put_failure;
}
return 0;
nla_put_failure:

34
net/ipv6/ip6_gre.c
View File

@ -2104,10 +2104,24 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
struct __ip6_tnl_parm *p = &t->parms;
__be16 o_flags = p->o_flags;
if ((p->erspan_ver == 1 || p->erspan_ver == 2) &&
!p->collect_md)
if (p->erspan_ver == 1 || p->erspan_ver == 2) {
if (!p->collect_md)
o_flags |= TUNNEL_KEY;
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, p->erspan_ver))
goto nla_put_failure;
if (p->erspan_ver == 1) {
if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, p->index))
goto nla_put_failure;
} else {
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, p->dir))
goto nla_put_failure;
if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, p->hwid))
goto nla_put_failure;
}
}
if (nla_put_u32(skb, IFLA_GRE_LINK, p->link) ||
nla_put_be16(skb, IFLA_GRE_IFLAGS,
gre_tnl_flags_to_gre_flags(p->i_flags)) ||
@ -2121,8 +2135,7 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_u8(skb, IFLA_GRE_ENCAP_LIMIT, p->encap_limit) ||
nla_put_be32(skb, IFLA_GRE_FLOWINFO, p->flowinfo) ||
nla_put_u32(skb, IFLA_GRE_FLAGS, p->flags) ||
nla_put_u32(skb, IFLA_GRE_FWMARK, p->fwmark) ||
nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, p->index))
nla_put_u32(skb, IFLA_GRE_FWMARK, p->fwmark))
goto nla_put_failure;
if (nla_put_u16(skb, IFLA_GRE_ENCAP_TYPE,
@ -2140,19 +2153,6 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
goto nla_put_failure;
}
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, p->erspan_ver))
goto nla_put_failure;
if (p->erspan_ver == 1) {
if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, p->index))
goto nla_put_failure;
} else if (p->erspan_ver == 2) {
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, p->dir))
goto nla_put_failure;
if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, p->hwid))
goto nla_put_failure;
}
return 0;
nla_put_failure: