From: David Ahern <dsahern@xxxxxxxxx> Convert existing uses for nd_tbl to the helpers introduced in the previous patch. Signed-off-by: David Ahern <dsahern@xxxxxxxxx> --- net/ipv6/addrconf.c | 16 ++++++++++------ net/ipv6/ip6_output.c | 4 ++-- net/ipv6/ndisc.c | 41 +++++++++++++++++++++++------------------ net/ipv6/route.c | 12 +++++++----- 4 files changed, 42 insertions(+), 31 deletions(-) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 1659a6b3cf42..104bf4c6c1f9 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -365,6 +365,8 @@ static int snmp6_alloc_dev(struct inet6_dev *idev) static struct inet6_dev *ipv6_add_dev(struct net_device *dev) { + struct net *net = dev_net(dev); + struct neigh_table *neigh_tbl = ipv6_neigh_table(net); struct inet6_dev *ndev; int err = -ENOMEM; @@ -381,13 +383,13 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) ndev->dev = dev; INIT_LIST_HEAD(&ndev->addr_list); timer_setup(&ndev->rs_timer, addrconf_rs_timer, 0); - memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf)); + memcpy(&ndev->cnf, net->ipv6.devconf_dflt, sizeof(ndev->cnf)); if (ndev->cnf.stable_secret.initialized) ndev->cnf.addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY; ndev->cnf.mtu6 = dev->mtu; - ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl); + ndev->nd_parms = neigh_parms_alloc(dev, neigh_tbl); if (!ndev->nd_parms) { kfree(ndev); return ERR_PTR(err); @@ -400,7 +402,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) if (snmp6_alloc_dev(ndev) < 0) { netdev_dbg(dev, "%s: cannot allocate memory for statistics\n", __func__); - neigh_parms_release(&nd_tbl, ndev->nd_parms); + neigh_parms_release(neigh_tbl, ndev->nd_parms); dev_put(dev); kfree(ndev); return ERR_PTR(err); @@ -465,7 +467,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) return ndev; err_release: - neigh_parms_release(&nd_tbl, ndev->nd_parms); + neigh_parms_release(ipv6_neigh_table(net), ndev->nd_parms); ndev->dead = 1; in6_dev_finish_destroy(ndev); return ERR_PTR(err); @@ -3787,9 +3789,11 @@ static int addrconf_ifdown(struct net_device *dev, int how) /* Last: Shot the device (if unregistered) */ if (how) { + struct neigh_table *tbl = ipv6_neigh_table(net); + addrconf_sysctl_unregister(idev); - neigh_parms_release(&nd_tbl, idev->nd_parms); - neigh_ifdown(&nd_tbl, dev); + neigh_parms_release(tbl, idev->nd_parms); + neigh_ifdown(tbl, dev); in6_dev_put(idev); } return 0; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 8047fd41ba88..05e11f71da49 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -114,7 +114,7 @@ static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff * nexthop = rt6_nexthop((struct rt6_info *)dst, &ipv6_hdr(skb)->daddr); neigh = __ipv6_neigh_lookup_noref(dst->dev, nexthop); if (unlikely(!neigh)) - neigh = __neigh_create(&nd_tbl, nexthop, dst->dev, false); + neigh = ipv6_neigh_create(dst->dev, nexthop, false); if (!IS_ERR(neigh)) { sock_confirm_neigh(skb, neigh); ret = neigh_output(neigh, skb); @@ -462,7 +462,7 @@ int ip6_forward(struct sk_buff *skb) /* XXX: idev->cnf.proxy_ndp? */ if (net->ipv6.devconf_all->proxy_ndp && - pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) { + ipv6_pneigh_lookup(net, &hdr->daddr, skb->dev, 0)) { int proxied = ip6_forward_proxy_check(skb); if (proxied > 0) return ip6_input(skb); diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index e640d2f3c55c..14b925f36099 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -729,14 +729,16 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb) static int pndisc_is_router(const void *pkey, struct net_device *dev) { + struct net *net = dev_net(dev); + struct neigh_table *neigh_tbl = ipv6_neigh_table(net); struct pneigh_entry *n; int ret = -1; - read_lock_bh(&nd_tbl.lock); - n = __pneigh_lookup(&nd_tbl, dev_net(dev), pkey, dev); + read_lock_bh(&neigh_tbl->lock); + n = __pneigh_lookup(ipv6_neigh_table(net), net, pkey, dev); if (n) ret = !!(n->flags & NTF_ROUTER); - read_unlock_bh(&nd_tbl.lock); + read_unlock_bh(&neigh_tbl->lock); return ret; } @@ -764,6 +766,8 @@ static void ndisc_recv_ns(struct sk_buff *skb) struct inet6_dev *idev = NULL; struct neighbour *neigh; int dad = ipv6_addr_any(saddr); + struct neigh_table *neigh_tbl; + struct net *net; bool inc; int is_router = -1; u64 nonce = 0; @@ -816,7 +820,10 @@ static void ndisc_recv_ns(struct sk_buff *skb) inc = ipv6_addr_is_multicast(daddr); - ifp = ipv6_get_ifaddr(dev_net(dev), &msg->target, dev, 1); + net = dev_net(dev); + neigh_tbl = ipv6_neigh_table(net); + + ifp = ipv6_get_ifaddr(net, &msg->target, dev, 1); if (ifp) { have_ifp: if (ifp->flags & (IFA_F_TENTATIVE|IFA_F_OPTIMISTIC)) { @@ -851,8 +858,6 @@ static void ndisc_recv_ns(struct sk_buff *skb) idev = ifp->idev; } else { - struct net *net = dev_net(dev); - /* perhaps an address on the master device */ if (netif_is_l3_slave(dev)) { struct net_device *mdev; @@ -888,7 +893,7 @@ static void ndisc_recv_ns(struct sk_buff *skb) */ struct sk_buff *n = skb_clone(skb, GFP_ATOMIC); if (n) - pneigh_enqueue(&nd_tbl, idev->nd_parms, n); + pneigh_enqueue(neigh_tbl, idev->nd_parms, n); goto out; } } else @@ -905,15 +910,15 @@ static void ndisc_recv_ns(struct sk_buff *skb) } if (inc) - NEIGH_CACHE_STAT_INC(&nd_tbl, rcv_probes_mcast); + NEIGH_CACHE_STAT_INC(neigh_tbl, rcv_probes_mcast); else - NEIGH_CACHE_STAT_INC(&nd_tbl, rcv_probes_ucast); + NEIGH_CACHE_STAT_INC(neigh_tbl, rcv_probes_ucast); /* * update / create cache entry * for the source address */ - neigh = __neigh_lookup(&nd_tbl, saddr, dev, + neigh = __neigh_lookup(neigh_tbl, saddr, dev, !inc || lladdr || !dev->addr_len); if (neigh) ndisc_update(dev, neigh, lladdr, NUD_STALE, @@ -1007,7 +1012,7 @@ static void ndisc_recv_na(struct sk_buff *skb) in6_ifa_put(ifp); return; } - neigh = neigh_lookup(&nd_tbl, &msg->target, dev); + neigh = ipv6_neigh_lookup(dev, &msg->target); if (neigh) { u8 old_flags = neigh->flags; @@ -1023,7 +1028,7 @@ static void ndisc_recv_na(struct sk_buff *skb) */ if (lladdr && !memcmp(lladdr, dev->dev_addr, dev->addr_len) && net->ipv6.devconf_all->forwarding && net->ipv6.devconf_all->proxy_ndp && - pneigh_lookup(&nd_tbl, net, &msg->target, dev, 0)) { + ipv6_pneigh_lookup(net, &msg->target, dev, 0)) { /* XXX: idev->cnf.proxy_ndp */ goto out; } @@ -1091,7 +1096,7 @@ static void ndisc_recv_rs(struct sk_buff *skb) goto out; } - neigh = __neigh_lookup(&nd_tbl, saddr, skb->dev, 1); + neigh = __ipv6_neigh_lookup(skb->dev, saddr, 1); if (neigh) { ndisc_update(skb->dev, neigh, lladdr, NUD_STALE, NEIGH_UPDATE_F_WEAK_OVERRIDE| @@ -1384,8 +1389,8 @@ static void ndisc_router_discovery(struct sk_buff *skb) */ if (!neigh) - neigh = __neigh_lookup(&nd_tbl, &ipv6_hdr(skb)->saddr, - skb->dev, 1); + neigh = __ipv6_neigh_lookup(skb->dev, &ipv6_hdr(skb)->saddr, 1); + if (neigh) { u8 *lladdr = NULL; if (ndopts.nd_opts_src_lladdr) { @@ -1768,7 +1773,7 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, switch (event) { case NETDEV_CHANGEADDR: - neigh_changeaddr(&nd_tbl, dev); + neigh_changeaddr(ipv6_neigh_table(dev_net(dev)), dev); fib6_run_gc(0, net, false); /* fallthrough */ case NETDEV_UP: @@ -1783,10 +1788,10 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, case NETDEV_CHANGE: change_info = ptr; if (change_info->flags_changed & IFF_NOARP) - neigh_changeaddr(&nd_tbl, dev); + neigh_changeaddr(ipv6_neigh_table(dev_net(dev)), dev); break; case NETDEV_DOWN: - neigh_ifdown(&nd_tbl, dev); + neigh_ifdown(ipv6_neigh_table(dev_net(dev)), dev); fib6_run_gc(0, net, false); break; case NETDEV_NOTIFY_PEERS: diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 86a0e4333d42..17f01b8cb05f 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -207,10 +207,10 @@ struct neighbour *ip6_neigh_lookup(const struct in6_addr *gw, struct neighbour *n; daddr = choose_neigh_daddr(gw, skb, daddr); - n = __ipv6_neigh_lookup(dev, daddr); + n = __ipv6_neigh_lookup_noref(dev, daddr); if (n) return n; - return neigh_create(&nd_tbl, daddr, dev); + return ipv6_neigh_create(dev, daddr, true); } static struct neighbour *ip6_dst_neigh_lookup(const struct dst_entry *dst, @@ -3392,7 +3392,7 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu */ dst_confirm_neigh(&rt->dst, &ipv6_hdr(skb)->saddr); - neigh = __neigh_lookup(&nd_tbl, &msg->target, skb->dev, 1); + neigh = __ipv6_neigh_lookup(skb->dev, &msg->target, 1); if (!neigh) return; @@ -4064,9 +4064,11 @@ void rt6_sync_down_dev(struct net_device *dev, unsigned long event) void rt6_disable_ip(struct net_device *dev, unsigned long event) { + struct net *net = dev_net(dev); + rt6_sync_down_dev(dev, event); - rt6_uncached_list_flush_dev(dev_net(dev), dev); - neigh_ifdown(&nd_tbl, dev); + rt6_uncached_list_flush_dev(net, dev); + neigh_ifdown(ipv6_neigh_table(net), dev); } struct rt6_mtu_change_arg { -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html