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lwt: Add cfg argument to build_state

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Add cfg and family arguments to lwt build state functions. cfg is a void
pointer and will either be a pointer to a fib_config or fib6_config
structure. The family parameter indicates which one (either AF_INET
or AF_INET6).

LWT encpasulation implementation may use the fib configuration to build
the LWT state.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert
2015-08-24 09:45:41 -07:00
committed by David S. Miller
parent 54cf7be992
commit 127eb7cd3c
7 changed files with 22 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
net/ipv4/fib_semantics.c
View File

@@ -511,7 +511,8 @@ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh,
dev = __dev_get_by_index(net, cfg->fc_oif);
ret = lwtunnel_build_state(dev, nla_get_u16(
nla_entype),
nla, &lwtstate);
nla, AF_INET, cfg,
&lwtstate);
if (ret)
goto errout;
nexthop_nh->nh_lwtstate =
@@ -535,7 +536,8 @@ errout:
static int fib_encap_match(struct net *net, u16 encap_type,
struct nlattr *encap,
int oif, const struct fib_nh *nh)
int oif, const struct fib_nh *nh,
const struct fib_config *cfg)
{
struct lwtunnel_state *lwtstate;
struct net_device *dev = NULL;
@@ -546,8 +548,8 @@ static int fib_encap_match(struct net *net, u16 encap_type,
if (oif)
dev = __dev_get_by_index(net, oif);
ret = lwtunnel_build_state(dev, encap_type,
encap, &lwtstate);
ret = lwtunnel_build_state(dev, encap_type, encap,
AF_INET, cfg, &lwtstate);
if (!ret) {
result = lwtunnel_cmp_encap(lwtstate, nh->nh_lwtstate);
lwtstate_free(lwtstate);
@@ -571,7 +573,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
if (cfg->fc_encap) {
if (fib_encap_match(net, cfg->fc_encap_type,
cfg->fc_encap, cfg->fc_oif,
fi->fib_nh))
fi->fib_nh, cfg))
return 1;
}
if ((!cfg->fc_oif || cfg->fc_oif == fi->fib_nh->nh_oif) &&
@@ -663,7 +665,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
static int fib_check_nh(struct fib_config *cfg, struct fib_info *fi,
struct fib_nh *nh)
{
int err;
int err = 0;
struct net *net;
struct net_device *dev;
@@ -1005,7 +1007,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
if (cfg->fc_oif)
dev = __dev_get_by_index(net, cfg->fc_oif);
err = lwtunnel_build_state(dev, cfg->fc_encap_type,
cfg->fc_encap, &lwtstate);
cfg->fc_encap, AF_INET, cfg,
&lwtstate);
if (err)
goto failure;