diff options
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 19325b7600bb..79c6a827dea9 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -381,7 +381,7 @@ ip6_tnl_dev_uninit(struct net_device *dev) else ip6_tnl_unlink(ip6n, t); dst_cache_reset(&t->dst_cache); - dev_put_track(dev, &t->dev_tracker); + netdev_put(dev, &t->dev_tracker); } /** @@ -796,7 +796,6 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb, struct sk_buff *skb), bool log_ecn_err) { - struct pcpu_sw_netstats *tstats; const struct ipv6hdr *ipv6h = ipv6_hdr(skb); int err; @@ -856,11 +855,7 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb, } } - tstats = this_cpu_ptr(tunnel->dev->tstats); - u64_stats_update_begin(&tstats->syncp); - tstats->rx_packets++; - tstats->rx_bytes += skb->len; - u64_stats_update_end(&tstats->syncp); + dev_sw_netstats_rx_add(tunnel->dev, skb->len); skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(tunnel->dev))); @@ -1085,10 +1080,13 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, unsigned int eth_hlen = t->dev->type == ARPHRD_ETHER ? ETH_HLEN : 0; unsigned int psh_hlen = sizeof(struct ipv6hdr) + t->encap_hlen; unsigned int max_headroom = psh_hlen; + __be16 payload_protocol; bool use_cache = false; u8 hop_limit; int err = -1; + payload_protocol = skb_protocol(skb, true); + if (t->parms.collect_md) { hop_limit = skb_tunnel_info(skb)->key.ttl; goto route_lookup; @@ -1098,7 +1096,7 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, /* NBMA tunnel */ if (ipv6_addr_any(&t->parms.raddr)) { - if (skb->protocol == htons(ETH_P_IPV6)) { + if (payload_protocol == htons(ETH_P_IPV6)) { struct in6_addr *addr6; struct neighbour *neigh; int addr_type; @@ -1119,7 +1117,7 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr)); neigh_release(neigh); - } else if (skb->protocol == htons(ETH_P_IP)) { + } else if (payload_protocol == htons(ETH_P_IP)) { const struct rtable *rt = skb_rtable(skb); if (!rt) @@ -1230,9 +1228,9 @@ route_lookup: skb_dst_set(skb, dst); if (hop_limit == 0) { - if (skb->protocol == htons(ETH_P_IP)) + if (payload_protocol == htons(ETH_P_IP)) hop_limit = ip_hdr(skb)->ttl; - else if (skb->protocol == htons(ETH_P_IPV6)) + else if (payload_protocol == htons(ETH_P_IPV6)) hop_limit = ipv6_hdr(skb)->hop_limit; else hop_limit = ip6_dst_hoplimit(dst); @@ -1519,7 +1517,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t) * ip6_tnl_change() updates the tunnel parameters **/ -static int +static void ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p) { t->parms.laddr = p->laddr; @@ -1533,29 +1531,25 @@ ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p) t->parms.fwmark = p->fwmark; dst_cache_reset(&t->dst_cache); ip6_tnl_link_config(t); - return 0; } -static int ip6_tnl_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p) +static void ip6_tnl_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p) { struct net *net = t->net; struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id); - int err; ip6_tnl_unlink(ip6n, t); synchronize_net(); - err = ip6_tnl_change(t, p); + ip6_tnl_change(t, p); ip6_tnl_link(ip6n, t); netdev_state_change(t->dev); - return err; } -static int ip6_tnl0_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p) +static void ip6_tnl0_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p) { /* for default tnl0 device allow to change only the proto */ t->parms.proto = p->proto; netdev_state_change(t->dev); - return 0; } static void @@ -1669,9 +1663,9 @@ ip6_tnl_siocdevprivate(struct net_device *dev, struct ifreq *ifr, } else t = netdev_priv(dev); if (dev == ip6n->fb_tnl_dev) - err = ip6_tnl0_update(t, &p1); + ip6_tnl0_update(t, &p1); else - err = ip6_tnl_update(t, &p1); + ip6_tnl_update(t, &p1); } if (!IS_ERR(t)) { err = 0; @@ -1889,7 +1883,7 @@ ip6_tnl_dev_init_gen(struct net_device *dev) dev->min_mtu = ETH_MIN_MTU; dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len; - dev_hold_track(dev, &t->dev_tracker, GFP_KERNEL); + netdev_hold(dev, &t->dev_tracker, GFP_KERNEL); return 0; destroy_dst: @@ -2093,7 +2087,8 @@ static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[], } else t = netdev_priv(dev); - return ip6_tnl_update(t, &p); + ip6_tnl_update(t, &p); + return 0; } static void ip6_tnl_dellink(struct net_device *dev, struct list_head *head) |