if (fib_nh->nh_tclassid)
net->ipv4.fib_num_tclassid_users--;
#endif
- if (fib_nh->nh_dev)
- dev_put(fib_nh->nh_dev);
+ if (fib_nh->fib_nh_dev)
+ dev_put(fib_nh->fib_nh_dev);
- lwtstate_put(fib_nh->nh_lwtstate);
+ lwtstate_put(fib_nh->fib_nh_lws);
free_nh_exceptions(fib_nh);
rt_fibinfo_free_cpus(fib_nh->nh_pcpu_rth_output);
rt_fibinfo_free(&fib_nh->nh_rth_input);
if (fi->fib_prefsrc)
hlist_del(&fi->fib_lhash);
change_nexthops(fi) {
- if (!nexthop_nh->nh_dev)
+ if (!nexthop_nh->fib_nh_dev)
continue;
hlist_del(&nexthop_nh->nh_hash);
} endfor_nexthops(fi)
const struct fib_nh *onh = ofi->fib_nh;
for_nexthops(fi) {
- if (nh->nh_oif != onh->nh_oif ||
- nh->nh_gw != onh->nh_gw ||
- nh->nh_scope != onh->nh_scope ||
+ if (nh->fib_nh_oif != onh->fib_nh_oif ||
+ nh->fib_nh_gw4 != onh->fib_nh_gw4 ||
+ nh->fib_nh_scope != onh->fib_nh_scope ||
#ifdef CONFIG_IP_ROUTE_MULTIPATH
- nh->nh_weight != onh->nh_weight ||
+ nh->fib_nh_weight != onh->fib_nh_weight ||
#endif
#ifdef CONFIG_IP_ROUTE_CLASSID
nh->nh_tclassid != onh->nh_tclassid ||
#endif
- lwtunnel_cmp_encap(nh->nh_lwtstate, onh->nh_lwtstate) ||
- ((nh->nh_flags ^ onh->nh_flags) & ~RTNH_COMPARE_MASK))
+ lwtunnel_cmp_encap(nh->fib_nh_lws, onh->fib_nh_lws) ||
+ ((nh->fib_nh_flags ^ onh->fib_nh_flags) & ~RTNH_COMPARE_MASK))
return -1;
onh++;
} endfor_nexthops(fi);
val ^= (__force u32)fi->fib_prefsrc;
val ^= fi->fib_priority;
for_nexthops(fi) {
- val ^= fib_devindex_hashfn(nh->nh_oif);
+ val ^= fib_devindex_hashfn(nh->fib_nh_oif);
} endfor_nexthops(fi)
return (val ^ (val >> 7) ^ (val >> 12)) & mask;
hash = fib_devindex_hashfn(dev->ifindex);
head = &fib_info_devhash[hash];
hlist_for_each_entry(nh, head, nh_hash) {
- if (nh->nh_dev == dev &&
- nh->nh_gw == gw &&
- !(nh->nh_flags & RTNH_F_DEAD)) {
+ if (nh->fib_nh_dev == dev &&
+ nh->fib_nh_gw4 == gw &&
+ !(nh->fib_nh_flags & RTNH_F_DEAD)) {
spin_unlock(&fib_info_lock);
return 0;
}
/* grab encap info */
for_nexthops(fi) {
- if (nh->nh_lwtstate) {
+ if (nh->fib_nh_lws) {
/* RTA_ENCAP_TYPE */
nh_encapsize += lwtunnel_get_encap_size(
- nh->nh_lwtstate);
+ nh->fib_nh_lws);
/* RTA_ENCAP */
nh_encapsize += nla_total_size(2);
}
struct neighbour *n;
int state = NUD_NONE;
- n = neigh_lookup(&arp_tbl, &fi->fib_nh[0].nh_gw, fi->fib_dev);
+ n = neigh_lookup(&arp_tbl, &fi->fib_nh[0].fib_nh_gw4, fi->fib_dev);
if (n) {
state = n->nud_state;
neigh_release(n);
if (err)
goto lwt_failure;
- nh->nh_lwtstate = lwtstate_get(lwtstate);
+ nh->fib_nh_lws = lwtstate_get(lwtstate);
}
- nh->nh_oif = cfg->fc_oif;
- nh->nh_gw = cfg->fc_gw;
- nh->nh_flags = cfg->fc_flags;
+ nh->fib_nh_oif = cfg->fc_oif;
+ nh->fib_nh_gw4 = cfg->fc_gw;
+ nh->fib_nh_flags = cfg->fc_flags;
#ifdef CONFIG_IP_ROUTE_CLASSID
nh->nh_tclassid = cfg->fc_flow;
net->ipv4.fib_num_tclassid_users++;
#endif
#ifdef CONFIG_IP_ROUTE_MULTIPATH
- nh->nh_weight = nh_weight;
+ nh->fib_nh_weight = nh_weight;
#endif
return 0;
} endfor_nexthops(fi);
ret = -EINVAL;
- if (cfg->fc_oif && fi->fib_nh->nh_oif != cfg->fc_oif) {
+ if (cfg->fc_oif && fi->fib_nh->fib_nh_oif != cfg->fc_oif) {
NL_SET_ERR_MSG(extack,
"Nexthop device index does not match RTA_OIF");
goto errout;
}
- if (cfg->fc_gw && fi->fib_nh->nh_gw != cfg->fc_gw) {
+ if (cfg->fc_gw && fi->fib_nh->fib_nh_gw4 != cfg->fc_gw) {
NL_SET_ERR_MSG(extack,
"Nexthop gateway does not match RTA_GATEWAY");
goto errout;
total = 0;
for_nexthops(fi) {
- if (nh->nh_flags & RTNH_F_DEAD)
+ if (nh->fib_nh_flags & RTNH_F_DEAD)
continue;
- if (ip_ignore_linkdown(nh->nh_dev) &&
- nh->nh_flags & RTNH_F_LINKDOWN)
+ if (ip_ignore_linkdown(nh->fib_nh_dev) &&
+ nh->fib_nh_flags & RTNH_F_LINKDOWN)
continue;
- total += nh->nh_weight;
+ total += nh->fib_nh_weight;
} endfor_nexthops(fi);
w = 0;
change_nexthops(fi) {
int upper_bound;
- if (nexthop_nh->nh_flags & RTNH_F_DEAD) {
+ if (nexthop_nh->fib_nh_flags & RTNH_F_DEAD) {
upper_bound = -1;
- } else if (ip_ignore_linkdown(nexthop_nh->nh_dev) &&
- nexthop_nh->nh_flags & RTNH_F_LINKDOWN) {
+ } else if (ip_ignore_linkdown(nexthop_nh->fib_nh_dev) &&
+ nexthop_nh->fib_nh_flags & RTNH_F_LINKDOWN) {
upper_bound = -1;
} else {
- w += nexthop_nh->nh_weight;
+ w += nexthop_nh->fib_nh_weight;
upper_bound = DIV_ROUND_CLOSEST_ULL((u64)w << 31,
total) - 1;
}
- atomic_set(&nexthop_nh->nh_upper_bound, upper_bound);
+ atomic_set(&nexthop_nh->fib_nh_upper_bound, upper_bound);
} endfor_nexthops(fi);
}
#else /* CONFIG_IP_ROUTE_MULTIPATH */
ret = lwtunnel_build_state(encap_type, encap, AF_INET,
cfg, &lwtstate, extack);
if (!ret) {
- result = lwtunnel_cmp_encap(lwtstate, nh->nh_lwtstate);
+ result = lwtunnel_cmp_encap(lwtstate, nh->fib_nh_lws);
lwtstate_free(lwtstate);
}
cfg->fc_flow != fi->fib_nh->nh_tclassid)
return 1;
#endif
- if ((!cfg->fc_oif || cfg->fc_oif == fi->fib_nh->nh_oif) &&
- (!cfg->fc_gw || cfg->fc_gw == fi->fib_nh->nh_gw))
+ if ((!cfg->fc_oif || cfg->fc_oif == fi->fib_nh->fib_nh_oif) &&
+ (!cfg->fc_gw || cfg->fc_gw == fi->fib_nh->fib_nh_gw4))
return 0;
return 1;
}
if (!rtnh_ok(rtnh, remaining))
return -EINVAL;
- if (rtnh->rtnh_ifindex && rtnh->rtnh_ifindex != nh->nh_oif)
+ if (rtnh->rtnh_ifindex && rtnh->rtnh_ifindex != nh->fib_nh_oif)
return 1;
attrlen = rtnh_attrlen(rtnh);
struct nlattr *nla, *attrs = rtnh_attrs(rtnh);
nla = nla_find(attrs, attrlen, RTA_GATEWAY);
- if (nla && nla_get_in_addr(nla) != nh->nh_gw)
+ if (nla && nla_get_in_addr(nla) != nh->fib_nh_gw4)
return 1;
#ifdef CONFIG_IP_ROUTE_CLASSID
nla = nla_find(attrs, attrlen, RTA_FLOW);
struct net_device *dev;
net = cfg->fc_nlinfo.nl_net;
- if (nh->nh_gw) {
+ if (nh->fib_nh_gw4) {
struct fib_result res;
- if (nh->nh_flags & RTNH_F_ONLINK) {
+ if (nh->fib_nh_flags & RTNH_F_ONLINK) {
unsigned int addr_type;
if (cfg->fc_scope >= RT_SCOPE_LINK) {
"Nexthop has invalid scope");
return -EINVAL;
}
- dev = __dev_get_by_index(net, nh->nh_oif);
+ dev = __dev_get_by_index(net, nh->fib_nh_oif);
if (!dev) {
NL_SET_ERR_MSG(extack, "Nexthop device required for onlink");
return -ENODEV;
"Nexthop device is not up");
return -ENETDOWN;
}
- addr_type = inet_addr_type_dev_table(net, dev, nh->nh_gw);
+ addr_type = inet_addr_type_dev_table(net, dev,
+ nh->fib_nh_gw4);
if (addr_type != RTN_UNICAST) {
NL_SET_ERR_MSG(extack,
"Nexthop has invalid gateway");
return -EINVAL;
}
if (!netif_carrier_ok(dev))
- nh->nh_flags |= RTNH_F_LINKDOWN;
- nh->nh_dev = dev;
+ nh->fib_nh_flags |= RTNH_F_LINKDOWN;
+ nh->fib_nh_dev = dev;
dev_hold(dev);
- nh->nh_scope = RT_SCOPE_LINK;
+ nh->fib_nh_scope = RT_SCOPE_LINK;
return 0;
}
rcu_read_lock();
{
struct fib_table *tbl = NULL;
struct flowi4 fl4 = {
- .daddr = nh->nh_gw,
+ .daddr = nh->fib_nh_gw4,
.flowi4_scope = cfg->fc_scope + 1,
- .flowi4_oif = nh->nh_oif,
+ .flowi4_oif = nh->fib_nh_oif,
.flowi4_iif = LOOPBACK_IFINDEX,
};
NL_SET_ERR_MSG(extack, "Nexthop has invalid gateway");
goto out;
}
- nh->nh_scope = res.scope;
- nh->nh_oif = FIB_RES_OIF(res);
- nh->nh_dev = dev = FIB_RES_DEV(res);
+ nh->fib_nh_scope = res.scope;
+ nh->fib_nh_oif = FIB_RES_OIF(res);
+ nh->fib_nh_dev = dev = FIB_RES_DEV(res);
if (!dev) {
NL_SET_ERR_MSG(extack,
"No egress device for nexthop gateway");
}
dev_hold(dev);
if (!netif_carrier_ok(dev))
- nh->nh_flags |= RTNH_F_LINKDOWN;
+ nh->fib_nh_flags |= RTNH_F_LINKDOWN;
err = (dev->flags & IFF_UP) ? 0 : -ENETDOWN;
} else {
struct in_device *in_dev;
- if (nh->nh_flags & (RTNH_F_PERVASIVE | RTNH_F_ONLINK)) {
+ if (nh->fib_nh_flags & (RTNH_F_PERVASIVE | RTNH_F_ONLINK)) {
NL_SET_ERR_MSG(extack,
"Invalid flags for nexthop - PERVASIVE and ONLINK can not be set");
return -EINVAL;
}
rcu_read_lock();
err = -ENODEV;
- in_dev = inetdev_by_index(net, nh->nh_oif);
+ in_dev = inetdev_by_index(net, nh->fib_nh_oif);
if (!in_dev)
goto out;
err = -ENETDOWN;
NL_SET_ERR_MSG(extack, "Device for nexthop is not up");
goto out;
}
- nh->nh_dev = in_dev->dev;
- dev_hold(nh->nh_dev);
- nh->nh_scope = RT_SCOPE_HOST;
- if (!netif_carrier_ok(nh->nh_dev))
- nh->nh_flags |= RTNH_F_LINKDOWN;
+ nh->fib_nh_dev = in_dev->dev;
+ dev_hold(nh->fib_nh_dev);
+ nh->fib_nh_scope = RT_SCOPE_HOST;
+ if (!netif_carrier_ok(nh->fib_nh_dev))
+ nh->fib_nh_flags |= RTNH_F_LINKDOWN;
err = 0;
}
out:
__be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh)
{
- nh->nh_saddr = inet_select_addr(nh->nh_dev,
- nh->nh_gw,
+ nh->nh_saddr = inet_select_addr(nh->fib_nh_dev,
+ nh->fib_nh_gw4,
nh->nh_parent->fib_scope);
nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
"Route with host scope can not have multiple nexthops");
goto err_inval;
}
- if (nh->nh_gw) {
+ if (nh->fib_nh_gw4) {
NL_SET_ERR_MSG(extack,
"Route with host scope can not have a gateway");
goto err_inval;
}
- nh->nh_scope = RT_SCOPE_NOWHERE;
- nh->nh_dev = dev_get_by_index(net, fi->fib_nh->nh_oif);
+ nh->fib_nh_scope = RT_SCOPE_NOWHERE;
+ nh->fib_nh_dev = dev_get_by_index(net, fi->fib_nh->fib_nh_oif);
err = -ENODEV;
- if (!nh->nh_dev)
+ if (!nh->fib_nh_dev)
goto failure;
} else {
int linkdown = 0;
err = fib_check_nh(cfg, nexthop_nh, extack);
if (err != 0)
goto failure;
- if (nexthop_nh->nh_flags & RTNH_F_LINKDOWN)
+ if (nexthop_nh->fib_nh_flags & RTNH_F_LINKDOWN)
linkdown++;
} endfor_nexthops(fi)
if (linkdown == fi->fib_nhs)
struct hlist_head *head;
unsigned int hash;
- if (!nexthop_nh->nh_dev)
+ if (!nexthop_nh->fib_nh_dev)
continue;
- hash = fib_devindex_hashfn(nexthop_nh->nh_dev->ifindex);
+ hash = fib_devindex_hashfn(nexthop_nh->fib_nh_dev->ifindex);
head = &fib_info_devhash[hash];
hlist_add_head(&nexthop_nh->nh_hash, head);
} endfor_nexthops(fi)
nla_put_in_addr(skb, RTA_PREFSRC, fi->fib_prefsrc))
goto nla_put_failure;
if (fi->fib_nhs == 1) {
- if (fi->fib_nh->nh_gw &&
- nla_put_in_addr(skb, RTA_GATEWAY, fi->fib_nh->nh_gw))
+ if (fi->fib_nh->fib_nh_gw4 &&
+ nla_put_in_addr(skb, RTA_GATEWAY, fi->fib_nh->fib_nh_gw4))
goto nla_put_failure;
- if (fi->fib_nh->nh_oif &&
- nla_put_u32(skb, RTA_OIF, fi->fib_nh->nh_oif))
+ if (fi->fib_nh->fib_nh_oif &&
+ nla_put_u32(skb, RTA_OIF, fi->fib_nh->fib_nh_oif))
goto nla_put_failure;
- if (fi->fib_nh->nh_flags & RTNH_F_LINKDOWN) {
+ if (fi->fib_nh->fib_nh_flags & RTNH_F_LINKDOWN) {
rcu_read_lock();
- if (ip_ignore_linkdown(fi->fib_nh->nh_dev))
+ if (ip_ignore_linkdown(fi->fib_nh->fib_nh_dev))
rtm->rtm_flags |= RTNH_F_DEAD;
rcu_read_unlock();
}
- if (fi->fib_nh->nh_flags & RTNH_F_OFFLOAD)
+ if (fi->fib_nh->fib_nh_flags & RTNH_F_OFFLOAD)
rtm->rtm_flags |= RTNH_F_OFFLOAD;
#ifdef CONFIG_IP_ROUTE_CLASSID
if (fi->fib_nh[0].nh_tclassid &&
nla_put_u32(skb, RTA_FLOW, fi->fib_nh[0].nh_tclassid))
goto nla_put_failure;
#endif
- if (fi->fib_nh->nh_lwtstate &&
- lwtunnel_fill_encap(skb, fi->fib_nh->nh_lwtstate) < 0)
+ if (fi->fib_nh->fib_nh_lws &&
+ lwtunnel_fill_encap(skb, fi->fib_nh->fib_nh_lws) < 0)
goto nla_put_failure;
}
#ifdef CONFIG_IP_ROUTE_MULTIPATH
if (!rtnh)
goto nla_put_failure;
- rtnh->rtnh_flags = nh->nh_flags & 0xFF;
- if (nh->nh_flags & RTNH_F_LINKDOWN) {
+ rtnh->rtnh_flags = nh->fib_nh_flags & 0xFF;
+ if (nh->fib_nh_flags & RTNH_F_LINKDOWN) {
rcu_read_lock();
- if (ip_ignore_linkdown(nh->nh_dev))
+ if (ip_ignore_linkdown(nh->fib_nh_dev))
rtnh->rtnh_flags |= RTNH_F_DEAD;
rcu_read_unlock();
}
- rtnh->rtnh_hops = nh->nh_weight - 1;
- rtnh->rtnh_ifindex = nh->nh_oif;
+ rtnh->rtnh_hops = nh->fib_nh_weight - 1;
+ rtnh->rtnh_ifindex = nh->fib_nh_oif;
- if (nh->nh_gw &&
- nla_put_in_addr(skb, RTA_GATEWAY, nh->nh_gw))
+ if (nh->fib_nh_gw4 &&
+ nla_put_in_addr(skb, RTA_GATEWAY, nh->fib_nh_gw4))
goto nla_put_failure;
#ifdef CONFIG_IP_ROUTE_CLASSID
if (nh->nh_tclassid &&
nla_put_u32(skb, RTA_FLOW, nh->nh_tclassid))
goto nla_put_failure;
#endif
- if (nh->nh_lwtstate &&
- lwtunnel_fill_encap(skb, nh->nh_lwtstate) < 0)
+ if (nh->fib_nh_lws &&
+ lwtunnel_fill_encap(skb, nh->fib_nh_lws) < 0)
goto nla_put_failure;
/* length of rtnetlink header + attributes */
return ret;
}
-static int call_fib_nh_notifiers(struct fib_nh *fib_nh,
+static int call_fib_nh_notifiers(struct fib_nh *nh,
enum fib_event_type event_type)
{
- bool ignore_link_down = ip_ignore_linkdown(fib_nh->nh_dev);
+ bool ignore_link_down = ip_ignore_linkdown(nh->fib_nh_dev);
struct fib_nh_notifier_info info = {
- .fib_nh = fib_nh,
+ .fib_nh = nh,
};
switch (event_type) {
case FIB_EVENT_NH_ADD:
- if (fib_nh->nh_flags & RTNH_F_DEAD)
+ if (nh->fib_nh_flags & RTNH_F_DEAD)
break;
- if (ignore_link_down && fib_nh->nh_flags & RTNH_F_LINKDOWN)
+ if (ignore_link_down && nh->fib_nh_flags & RTNH_F_LINKDOWN)
break;
- return call_fib4_notifiers(dev_net(fib_nh->nh_dev), event_type,
+ return call_fib4_notifiers(dev_net(nh->fib_nh_dev), event_type,
&info.info);
case FIB_EVENT_NH_DEL:
- if ((ignore_link_down && fib_nh->nh_flags & RTNH_F_LINKDOWN) ||
- (fib_nh->nh_flags & RTNH_F_DEAD))
- return call_fib4_notifiers(dev_net(fib_nh->nh_dev),
+ if ((ignore_link_down && nh->fib_nh_flags & RTNH_F_LINKDOWN) ||
+ (nh->fib_nh_flags & RTNH_F_DEAD))
+ return call_fib4_notifiers(dev_net(nh->fib_nh_dev),
event_type, &info.info);
default:
break;
struct fib_nh *nh;
hlist_for_each_entry(nh, head, nh_hash) {
- if (nh->nh_dev == dev)
+ if (nh->fib_nh_dev == dev)
nh_update_mtu(nh, dev->mtu, orig_mtu);
}
}
int dead;
BUG_ON(!fi->fib_nhs);
- if (nh->nh_dev != dev || fi == prev_fi)
+ if (nh->fib_nh_dev != dev || fi == prev_fi)
continue;
prev_fi = fi;
dead = 0;
change_nexthops(fi) {
- if (nexthop_nh->nh_flags & RTNH_F_DEAD)
+ if (nexthop_nh->fib_nh_flags & RTNH_F_DEAD)
dead++;
- else if (nexthop_nh->nh_dev == dev &&
- nexthop_nh->nh_scope != scope) {
+ else if (nexthop_nh->fib_nh_dev == dev &&
+ nexthop_nh->fib_nh_scope != scope) {
switch (event) {
case NETDEV_DOWN:
case NETDEV_UNREGISTER:
- nexthop_nh->nh_flags |= RTNH_F_DEAD;
+ nexthop_nh->fib_nh_flags |= RTNH_F_DEAD;
/* fall through */
case NETDEV_CHANGE:
- nexthop_nh->nh_flags |= RTNH_F_LINKDOWN;
+ nexthop_nh->fib_nh_flags |= RTNH_F_LINKDOWN;
break;
}
call_fib_nh_notifiers(nexthop_nh,
}
#ifdef CONFIG_IP_ROUTE_MULTIPATH
if (event == NETDEV_UNREGISTER &&
- nexthop_nh->nh_dev == dev) {
+ nexthop_nh->fib_nh_dev == dev) {
dead = fi->fib_nhs;
break;
}
if (next_fi->fib_scope != res->scope ||
fa->fa_type != RTN_UNICAST)
continue;
- if (!next_fi->fib_nh[0].nh_gw ||
- next_fi->fib_nh[0].nh_scope != RT_SCOPE_LINK)
+ if (!next_fi->fib_nh[0].fib_nh_gw4 ||
+ next_fi->fib_nh[0].fib_nh_scope != RT_SCOPE_LINK)
continue;
fib_alias_accessed(fa);
int alive;
BUG_ON(!fi->fib_nhs);
- if (nh->nh_dev != dev || fi == prev_fi)
+ if (nh->fib_nh_dev != dev || fi == prev_fi)
continue;
prev_fi = fi;
alive = 0;
change_nexthops(fi) {
- if (!(nexthop_nh->nh_flags & nh_flags)) {
+ if (!(nexthop_nh->fib_nh_flags & nh_flags)) {
alive++;
continue;
}
- if (!nexthop_nh->nh_dev ||
- !(nexthop_nh->nh_dev->flags & IFF_UP))
+ if (!nexthop_nh->fib_nh_dev ||
+ !(nexthop_nh->fib_nh_dev->flags & IFF_UP))
continue;
- if (nexthop_nh->nh_dev != dev ||
+ if (nexthop_nh->fib_nh_dev != dev ||
!__in_dev_get_rtnl(dev))
continue;
alive++;
- nexthop_nh->nh_flags &= ~nh_flags;
+ nexthop_nh->fib_nh_flags &= ~nh_flags;
call_fib_nh_notifiers(nexthop_nh, FIB_EVENT_NH_ADD);
} endfor_nexthops(fi)
{
int state = NUD_REACHABLE;
- if (nh->nh_scope == RT_SCOPE_LINK) {
+ if (nh->fib_nh_scope == RT_SCOPE_LINK) {
struct neighbour *n;
rcu_read_lock_bh();
- n = __ipv4_neigh_lookup_noref(nh->nh_dev,
- (__force u32)nh->nh_gw);
+ n = __ipv4_neigh_lookup_noref(nh->fib_nh_dev,
+ (__force u32)nh->fib_nh_gw4);
if (n)
state = n->nud_state;
}
}
- if (hash > atomic_read(&nh->nh_upper_bound))
+ if (hash > atomic_read(&nh->fib_nh_upper_bound))
continue;
res->nh_sel = nhsel;