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lwtunnel: remove device arg to lwtunnel_build_state

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Nothing about lwt state requires a device reference, so remove the
input argument.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2017-01-30 12:07:37 -08:00 committed by David S. Miller
parent 6ad20165d3
commit 30357d7d8a
9 changed files with 20 additions and 31 deletions
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6
include/net/lwtunnel.h
View File

@ -33,7 +33,7 @@ struct lwtunnel_state {
};
struct lwtunnel_encap_ops {
int (*build_state)(struct net_device *dev, struct nlattr *encap,
int (*build_state)(struct nlattr *encap,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts);
void (*destroy_state)(struct lwtunnel_state *lws);
@ -109,7 +109,7 @@ int lwtunnel_encap_del_ops(const struct lwtunnel_encap_ops *op,
unsigned int num);
int lwtunnel_valid_encap_type(u16 encap_type);
int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len);
int lwtunnel_build_state(struct net_device *dev, u16 encap_type,
int lwtunnel_build_state(u16 encap_type,
struct nlattr *encap,
unsigned int family, const void *cfg,
struct lwtunnel_state **lws);
@ -181,7 +181,7 @@ static inline int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len)
return -EOPNOTSUPP;
}
static inline int lwtunnel_build_state(struct net_device *dev, u16 encap_type,
static inline int lwtunnel_build_state(u16 encap_type,
struct nlattr *encap,
unsigned int family, const void *cfg,
struct lwtunnel_state **lws)

2
net/core/lwt_bpf.c
View File

@ -237,7 +237,7 @@ static const struct nla_policy bpf_nl_policy[LWT_BPF_MAX + 1] = {
[LWT_BPF_XMIT_HEADROOM] = { .type = NLA_U32 },
};
static int bpf_build_state(struct net_device *dev, struct nlattr *nla,
static int bpf_build_state(struct nlattr *nla,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
{

4
net/core/lwtunnel.c
View File

@ -101,7 +101,7 @@ int lwtunnel_encap_del_ops(const struct lwtunnel_encap_ops *ops,
}
EXPORT_SYMBOL(lwtunnel_encap_del_ops);
int lwtunnel_build_state(struct net_device *dev, u16 encap_type,
int lwtunnel_build_state(u16 encap_type,
struct nlattr *encap, unsigned int family,
const void *cfg, struct lwtunnel_state **lws)
{
@ -116,7 +116,7 @@ int lwtunnel_build_state(struct net_device *dev, u16 encap_type,
rcu_read_lock();
ops = rcu_dereference(lwtun_encaps[encap_type]);
if (likely(ops && ops->build_state && try_module_get(ops->owner))) {
ret = ops->build_state(dev, encap, family, cfg, lws);
ret = ops->build_state(encap, family, cfg, lws);
if (ret)
module_put(ops->owner);
}

27
net/ipv4/fib_semantics.c
View File

@ -471,7 +471,6 @@ static int fib_count_nexthops(struct rtnexthop *rtnh, int remaining)
static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh,
int remaining, struct fib_config *cfg)
{
struct net *net = cfg->fc_nlinfo.nl_net;
int ret;
change_nexthops(fi) {
@ -503,16 +502,14 @@ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh,
nla = nla_find(attrs, attrlen, RTA_ENCAP);
if (nla) {
struct lwtunnel_state *lwtstate;
struct net_device *dev = NULL;
struct nlattr *nla_entype;
nla_entype = nla_find(attrs, attrlen,
RTA_ENCAP_TYPE);
if (!nla_entype)
goto err_inval;
if (cfg->fc_oif)
dev = __dev_get_by_index(net, cfg->fc_oif);
ret = lwtunnel_build_state(dev, nla_get_u16(
ret = lwtunnel_build_state(nla_get_u16(
nla_entype),
nla, AF_INET, cfg,
&lwtstate);
@ -597,21 +594,18 @@ static inline void fib_add_weight(struct fib_info *fi,
#endif /* CONFIG_IP_ROUTE_MULTIPATH */
static int fib_encap_match(struct net *net, u16 encap_type,
static int fib_encap_match(u16 encap_type,
struct nlattr *encap,
int oif, const struct fib_nh *nh,
const struct fib_nh *nh,
const struct fib_config *cfg)
{
struct lwtunnel_state *lwtstate;
struct net_device *dev = NULL;
int ret, result = 0;
if (encap_type == LWTUNNEL_ENCAP_NONE)
return 0;
if (oif)
dev = __dev_get_by_index(net, oif);
ret = lwtunnel_build_state(dev, encap_type, encap,
ret = lwtunnel_build_state(encap_type, encap,
AF_INET, cfg, &lwtstate);
if (!ret) {
result = lwtunnel_cmp_encap(lwtstate, nh->nh_lwtstate);
@ -623,7 +617,6 @@ static int fib_encap_match(struct net *net, u16 encap_type,
int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
{
struct net *net = cfg->fc_nlinfo.nl_net;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
struct rtnexthop *rtnh;
int remaining;
@ -634,9 +627,8 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
if (cfg->fc_oif || cfg->fc_gw) {
if (cfg->fc_encap) {
if (fib_encap_match(net, cfg->fc_encap_type,
cfg->fc_encap, cfg->fc_oif,
fi->fib_nh, cfg))
if (fib_encap_match(cfg->fc_encap_type,
cfg->fc_encap, fi->fib_nh, cfg))
return 1;
}
if ((!cfg->fc_oif || cfg->fc_oif == fi->fib_nh->nh_oif) &&
@ -1093,13 +1085,10 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
if (cfg->fc_encap) {
struct lwtunnel_state *lwtstate;
struct net_device *dev = NULL;
if (cfg->fc_encap_type == LWTUNNEL_ENCAP_NONE)
goto err_inval;
if (cfg->fc_oif)
dev = __dev_get_by_index(net, cfg->fc_oif);
err = lwtunnel_build_state(dev, cfg->fc_encap_type,
err = lwtunnel_build_state(cfg->fc_encap_type,
cfg->fc_encap, AF_INET, cfg,
&lwtstate);
if (err)

4
net/ipv4/ip_tunnel_core.c
View File

@ -226,7 +226,7 @@ static const struct nla_policy ip_tun_policy[LWTUNNEL_IP_MAX + 1] = {
[LWTUNNEL_IP_FLAGS] = { .type = NLA_U16 },
};
static int ip_tun_build_state(struct net_device *dev, struct nlattr *attr,
static int ip_tun_build_state(struct nlattr *attr,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
{
@ -323,7 +323,7 @@ static const struct nla_policy ip6_tun_policy[LWTUNNEL_IP6_MAX + 1] = {
[LWTUNNEL_IP6_FLAGS] = { .type = NLA_U16 },
};
static int ip6_tun_build_state(struct net_device *dev, struct nlattr *attr,
static int ip6_tun_build_state(struct nlattr *attr,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
{

2
net/ipv6/ila/ila_lwt.c
View File

@ -115,7 +115,7 @@ static const struct nla_policy ila_nl_policy[ILA_ATTR_MAX + 1] = {
[ILA_ATTR_CSUM_MODE] = { .type = NLA_U8, },
};
static int ila_build_state(struct net_device *dev, struct nlattr *nla,
static int ila_build_state(struct nlattr *nla,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
{

2
net/ipv6/route.c
View File

@ -1897,7 +1897,7 @@ static struct rt6_info *ip6_route_info_create(struct fib6_config *cfg)
if (cfg->fc_encap) {
struct lwtunnel_state *lwtstate;
err = lwtunnel_build_state(dev, cfg->fc_encap_type,
err = lwtunnel_build_state(cfg->fc_encap_type,
cfg->fc_encap, AF_INET6, cfg,
&lwtstate);
if (err)

2
net/ipv6/seg6_iptunnel.c
View File

@ -303,7 +303,7 @@ int seg6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
return err;
}
static int seg6_build_state(struct net_device *dev, struct nlattr *nla,
static int seg6_build_state(struct nlattr *nla,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
{

2
net/mpls/mpls_iptunnel.c
View File

@ -133,7 +133,7 @@ static int mpls_xmit(struct sk_buff *skb)
return -EINVAL;
}
static int mpls_build_state(struct net_device *dev, struct nlattr *nla,
static int mpls_build_state(struct nlattr *nla,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
{