diff options
| -rw-r--r-- | include/net/ip6_route.h | 5 | ||||
| -rw-r--r-- | include/net/ipv6_stubs.h | 5 | ||||
| -rw-r--r-- | net/core/filter.c | 2 | ||||
| -rw-r--r-- | net/ipv6/addrconf_core.c | 5 | ||||
| -rw-r--r-- | net/ipv6/route.c | 26 |
5 files changed, 25 insertions, 18 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 5909fc421305..46bbd8ff9cc6 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -302,8 +302,9 @@ static inline unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst) return mtu; } -u32 ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr, - struct in6_addr *saddr); +u32 ip6_mtu_from_fib6(const struct fib6_result *res, + const struct in6_addr *daddr, + const struct in6_addr *saddr); struct neighbour *ip6_neigh_lookup(const struct in6_addr *gw, struct net_device *dev, struct sk_buff *skb, diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h index 5df36d6a2613..0d16b9ec0485 100644 --- a/include/net/ipv6_stubs.h +++ b/include/net/ipv6_stubs.h @@ -38,8 +38,9 @@ struct ipv6_stub { void (*fib6_select_path)(const struct net *net, struct fib6_result *res, struct flowi6 *fl6, int oif, bool oif_match, const struct sk_buff *skb, int strict); - u32 (*ip6_mtu_from_fib6)(struct fib6_info *f6i, struct in6_addr *daddr, - struct in6_addr *saddr); + u32 (*ip6_mtu_from_fib6)(const struct fib6_result *res, + const struct in6_addr *daddr, + const struct in6_addr *saddr); int (*fib6_nh_init)(struct net *net, struct fib6_nh *fib6_nh, struct fib6_config *cfg, gfp_t gfp_flags, diff --git a/net/core/filter.c b/net/core/filter.c index c8dcce205872..bb8fb2d58fd4 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4761,7 +4761,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params, fl6.flowi6_oif != 0, NULL, strict); if (check_mtu) { - mtu = ipv6_stub->ip6_mtu_from_fib6(res.f6i, dst, src); + mtu = ipv6_stub->ip6_mtu_from_fib6(&res, dst, src); if (params->tot_len > mtu) return BPF_FIB_LKUP_RET_FRAG_NEEDED; } diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c index b11fa0aa18a0..c4c0203d6836 100644 --- a/net/ipv6/addrconf_core.c +++ b/net/ipv6/addrconf_core.c @@ -166,8 +166,9 @@ eafnosupport_fib6_select_path(const struct net *net, struct fib6_result *res, } static u32 -eafnosupport_ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr, - struct in6_addr *saddr) +eafnosupport_ip6_mtu_from_fib6(const struct fib6_result *res, + const struct in6_addr *daddr, + const struct in6_addr *saddr) { return 0; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 39d1a7a4d704..85799a09e144 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1417,14 +1417,15 @@ __rt6_find_exception_rcu(struct rt6_exception_bucket **bucket, return NULL; } -static unsigned int fib6_mtu(const struct fib6_info *rt) +static unsigned int fib6_mtu(const struct fib6_result *res) { + const struct fib6_nh *nh = res->nh; unsigned int mtu; - if (rt->fib6_pmtu) { - mtu = rt->fib6_pmtu; + if (res->f6i->fib6_pmtu) { + mtu = res->f6i->fib6_pmtu; } else { - struct net_device *dev = fib6_info_nh_dev(rt); + struct net_device *dev = nh->fib_nh_dev; struct inet6_dev *idev; rcu_read_lock(); @@ -1435,7 +1436,7 @@ static unsigned int fib6_mtu(const struct fib6_info *rt) mtu = min_t(unsigned int, mtu, IP6_MAX_MTU); - return mtu - lwtunnel_headroom(rt->fib6_nh.fib_nh_lws, mtu); + return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); } static int rt6_insert_exception(struct rt6_info *nrt, @@ -1481,7 +1482,7 @@ static int rt6_insert_exception(struct rt6_info *nrt, * Only insert this exception route if its mtu * is less than f6i's mtu value. */ - if (dst_metric_raw(&nrt->dst, RTAX_MTU) >= fib6_mtu(res->f6i)) { + if (dst_metric_raw(&nrt->dst, RTAX_MTU) >= fib6_mtu(res)) { err = -EINVAL; goto out; } @@ -2640,12 +2641,15 @@ out: * based on ip6_dst_mtu_forward and exception logic of * rt6_find_cached_rt; called with rcu_read_lock */ -u32 ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr, - struct in6_addr *saddr) +u32 ip6_mtu_from_fib6(const struct fib6_result *res, + const struct in6_addr *daddr, + const struct in6_addr *saddr) { struct rt6_exception_bucket *bucket; + const struct fib6_nh *nh = res->nh; + struct fib6_info *f6i = res->f6i; + const struct in6_addr *src_key; struct rt6_exception *rt6_ex; - struct in6_addr *src_key; struct inet6_dev *idev; u32 mtu = 0; @@ -2667,7 +2671,7 @@ u32 ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr, mtu = dst_metric_raw(&rt6_ex->rt6i->dst, RTAX_MTU); if (likely(!mtu)) { - struct net_device *dev = fib6_info_nh_dev(f6i); + struct net_device *dev = nh->fib_nh_dev; mtu = IPV6_MIN_MTU; idev = __in6_dev_get(dev); @@ -2677,7 +2681,7 @@ u32 ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr, mtu = min_t(unsigned int, mtu, IP6_MAX_MTU); out: - return mtu - lwtunnel_headroom(fib6_info_nh_lwt(f6i), mtu); + return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); } struct dst_entry *icmp6_dst_alloc(struct net_device *dev, |