diff options
author | David S. Miller <davem@davemloft.net> | 2017-06-30 12:43:08 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-06-30 12:43:08 -0400 |
commit | b07911593719828cac023bdcf6bf4da1c9ba546f (patch) | |
tree | c4d2f66e6f2506e5b5439ffca0449e646f677b33 /net | |
parent | 52a623bd6189b6ea8f06a0d7594c7604deaab24a (diff) | |
parent | 4d8a991d460d4fa4829beaffdcba45a217ca0fa7 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
A set of overlapping changes in macvlan and the rocker
driver, nothing serious.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/core/dev.c | 30 | ||||
-rw-r--r-- | net/ipv4/ip_output.c | 3 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 2 | ||||
-rw-r--r-- | net/ipv6/addrconf.c | 5 | ||||
-rw-r--r-- | net/ipv6/datagram.c | 8 | ||||
-rw-r--r-- | net/ipv6/esp6_offload.c | 25 | ||||
-rw-r--r-- | net/ipv6/ip6_output.c | 2 | ||||
-rw-r--r-- | net/ipv6/route.c | 6 | ||||
-rw-r--r-- | net/ipv6/sit.c | 2 | ||||
-rw-r--r-- | net/ipv6/udp.c | 3 | ||||
-rw-r--r-- | net/ipv6/xfrm6_input.c | 2 | ||||
-rw-r--r-- | net/key/af_key.c | 19 | ||||
-rw-r--r-- | net/sched/sch_api.c | 3 | ||||
-rw-r--r-- | net/xfrm/Makefile | 3 | ||||
-rw-r--r-- | net/xfrm/xfrm_device.c | 2 | ||||
-rw-r--r-- | net/xfrm/xfrm_policy.c | 4 | ||||
-rw-r--r-- | net/xfrm/xfrm_user.c | 1 |
17 files changed, 90 insertions, 30 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index a91572aa73d5..88927f1a3e4f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4844,6 +4844,13 @@ struct packet_offload *gro_find_complete_by_type(__be16 type) } EXPORT_SYMBOL(gro_find_complete_by_type); +static void napi_skb_free_stolen_head(struct sk_buff *skb) +{ + skb_dst_drop(skb); + secpath_reset(skb); + kmem_cache_free(skbuff_head_cache, skb); +} + static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) { switch (ret) { @@ -4857,13 +4864,10 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) break; case GRO_MERGED_FREE: - if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) { - skb_dst_drop(skb); - secpath_reset(skb); - kmem_cache_free(skbuff_head_cache, skb); - } else { + if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) + napi_skb_free_stolen_head(skb); + else __kfree_skb(skb); - } break; case GRO_HELD: @@ -4935,10 +4939,16 @@ static gro_result_t napi_frags_finish(struct napi_struct *napi, break; case GRO_DROP: - case GRO_MERGED_FREE: napi_reuse_skb(napi, skb); break; + case GRO_MERGED_FREE: + if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) + napi_skb_free_stolen_head(skb); + else + napi_reuse_skb(napi, skb); + break; + case GRO_MERGED: case GRO_CONSUMED: break; @@ -7867,9 +7877,9 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, } else { netdev_stats_to_stats64(storage, &dev->stats); } - storage->rx_dropped += atomic_long_read(&dev->rx_dropped); - storage->tx_dropped += atomic_long_read(&dev->tx_dropped); - storage->rx_nohandler += atomic_long_read(&dev->rx_nohandler); + storage->rx_dropped += (unsigned long)atomic_long_read(&dev->rx_dropped); + storage->tx_dropped += (unsigned long)atomic_long_read(&dev->tx_dropped); + storage->rx_nohandler += (unsigned long)atomic_long_read(&dev->rx_nohandler); return storage; } EXPORT_SYMBOL(dev_get_stats); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 7a3fd25e8913..532b36e9ce2a 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -964,7 +964,8 @@ static int __ip_append_data(struct sock *sk, csummode = CHECKSUM_PARTIAL; cork->length += length; - if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) && + if ((((length + (skb ? skb->len : fragheaderlen)) > mtu) || + (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) { diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4c88d20d91d4..4793fb78d93b 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2350,6 +2350,8 @@ int tcp_disconnect(struct sock *sk, int flags) tcp_init_send_head(sk); memset(&tp->rx_opt, 0, sizeof(tp->rx_opt)); __sk_dst_reset(sk); + dst_release(sk->sk_rx_dst); + sk->sk_rx_dst = NULL; tcp_saved_syn_free(tp); /* Clean up fastopen related fields */ diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a885ffcf0973..5bea601aa3f5 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3384,6 +3384,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct netdev_notifier_changeupper_info *info; struct inet6_dev *idev = __in6_dev_get(dev); + struct net *net = dev_net(dev); int run_pending = 0; int err; @@ -3399,7 +3400,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, case NETDEV_CHANGEMTU: /* if MTU under IPV6_MIN_MTU stop IPv6 on this interface. */ if (dev->mtu < IPV6_MIN_MTU) { - addrconf_ifdown(dev, 1); + addrconf_ifdown(dev, dev != net->loopback_dev); break; } @@ -3515,7 +3516,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, * IPV6_MIN_MTU stop IPv6 on this interface. */ if (dev->mtu < IPV6_MIN_MTU) - addrconf_ifdown(dev, 1); + addrconf_ifdown(dev, dev != net->loopback_dev); } break; diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index e011122ebd43..5c786f5ab961 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -250,8 +250,14 @@ ipv4_connected: */ err = ip6_datagram_dst_update(sk, true); - if (err) + if (err) { + /* Reset daddr and dport so that udp_v6_early_demux() + * fails to find this socket + */ + memset(&sk->sk_v6_daddr, 0, sizeof(sk->sk_v6_daddr)); + inet->inet_dport = 0; goto out; + } sk->sk_state = TCP_ESTABLISHED; sk_set_txhash(sk); diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index d950d43ba255..f02f131f6435 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -30,6 +30,25 @@ #include <net/ipv6.h> #include <linux/icmpv6.h> +static __u16 esp6_nexthdr_esp_offset(struct ipv6hdr *ipv6_hdr, int nhlen) +{ + int off = sizeof(struct ipv6hdr); + struct ipv6_opt_hdr *exthdr; + + if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP)) + return offsetof(struct ipv6hdr, nexthdr); + + while (off < nhlen) { + exthdr = (void *)ipv6_hdr + off; + if (exthdr->nexthdr == NEXTHDR_ESP) + return off; + + off += ipv6_optlen(exthdr); + } + + return 0; +} + static struct sk_buff **esp6_gro_receive(struct sk_buff **head, struct sk_buff *skb) { @@ -38,6 +57,7 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head, struct xfrm_state *x; __be32 seq; __be32 spi; + int nhoff; int err; skb_pull(skb, offset); @@ -72,6 +92,11 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head, xo->flags |= XFRM_GRO; + nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset); + if (!nhoff) + goto out; + + IP6CB(skb)->nhoff = nhoff; XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL; XFRM_SPI_SKB_CB(skb)->family = AF_INET6; XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 5baa6fab4b97..5f2657d98e82 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1385,7 +1385,7 @@ emsgsize: */ cork->length += length; - if ((((length + fragheaderlen) > mtu) || + if ((((length + (skb ? skb->len : headersize)) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 2e4490076061..0488a24c2a44 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -3730,7 +3730,11 @@ static int ip6_route_dev_notify(struct notifier_block *this, net->ipv6.ip6_blk_hole_entry->dst.dev = dev; net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev); #endif - } else if (event == NETDEV_UNREGISTER) { + } else if (event == NETDEV_UNREGISTER && + dev->reg_state != NETREG_UNREGISTERED) { + /* NETDEV_UNREGISTER could be fired for multiple times by + * netdev_wait_allrefs(). Make sure we only call this once. + */ in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev); #ifdef CONFIG_IPV6_MULTIPLE_TABLES in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev); diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index e9958b1398cb..ac912bb21747 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -305,7 +305,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t, * we try harder to allocate. */ kp = (cmax <= 1 || capable(CAP_NET_ADMIN)) ? - kcalloc(cmax, sizeof(*kp), GFP_KERNEL) : + kcalloc(cmax, sizeof(*kp), GFP_KERNEL | __GFP_NOWARN) : NULL; rcu_read_lock(); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 450829dd6384..319aa8ed9cf8 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -885,7 +885,8 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net, struct sock *sk; udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) { - if (INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif)) + if (sk->sk_state == TCP_ESTABLISHED && + INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif)) return sk; /* Only check first socket in chain */ break; diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 08a807b29298..3ef5d913e7a3 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -43,8 +43,8 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async) return 1; #endif - ipv6_hdr(skb)->payload_len = htons(skb->len); __skb_push(skb, skb->data - skb_network_header(skb)); + ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); if (xo && (xo->flags & XFRM_GRO)) { skb_mac_header_rebuild(skb); diff --git a/net/key/af_key.c b/net/key/af_key.c index ce9b8565d825..376fdcf7a6b9 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -1150,6 +1150,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, goto out; } + err = -ENOBUFS; key = ext_hdrs[SADB_EXT_KEY_AUTH - 1]; if (sa->sadb_sa_auth) { int keysize = 0; @@ -1161,8 +1162,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, if (key) keysize = (key->sadb_key_bits + 7) / 8; x->aalg = kmalloc(sizeof(*x->aalg) + keysize, GFP_KERNEL); - if (!x->aalg) + if (!x->aalg) { + err = -ENOMEM; goto out; + } strcpy(x->aalg->alg_name, a->name); x->aalg->alg_key_len = 0; if (key) { @@ -1181,8 +1184,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, goto out; } x->calg = kmalloc(sizeof(*x->calg), GFP_KERNEL); - if (!x->calg) + if (!x->calg) { + err = -ENOMEM; goto out; + } strcpy(x->calg->alg_name, a->name); x->props.calgo = sa->sadb_sa_encrypt; } else { @@ -1196,8 +1201,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, if (key) keysize = (key->sadb_key_bits + 7) / 8; x->ealg = kmalloc(sizeof(*x->ealg) + keysize, GFP_KERNEL); - if (!x->ealg) + if (!x->ealg) { + err = -ENOMEM; goto out; + } strcpy(x->ealg->alg_name, a->name); x->ealg->alg_key_len = 0; if (key) { @@ -1242,8 +1249,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, struct xfrm_encap_tmpl *natt; x->encap = kmalloc(sizeof(*x->encap), GFP_KERNEL); - if (!x->encap) + if (!x->encap) { + err = -ENOMEM; goto out; + } natt = x->encap; n_type = ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]; @@ -2742,6 +2751,8 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sad int err, err2; err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, true); + if (!err) + xfrm_garbage_collect(net); err2 = unicast_flush_resp(sk, hdr); if (err || err2) { if (err == -ESRCH) /* empty table - old silent behavior */ diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 5d95401bbc02..43b94c7b69bd 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1019,7 +1019,8 @@ static struct Qdisc *qdisc_create(struct net_device *dev, return sch; } /* ops->init() failed, we call ->destroy() like qdisc_create_dflt() */ - ops->destroy(sch); + if (ops->destroy) + ops->destroy(sch); err_out3: dev_put(dev); kfree((char *) sch - sch->padded); diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile index abf81b329dc1..55b2ac300995 100644 --- a/net/xfrm/Makefile +++ b/net/xfrm/Makefile @@ -4,8 +4,7 @@ obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \ xfrm_input.o xfrm_output.o \ - xfrm_sysctl.o xfrm_replay.o -obj-$(CONFIG_XFRM_OFFLOAD) += xfrm_device.o + xfrm_sysctl.o xfrm_replay.o xfrm_device.o obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o obj-$(CONFIG_XFRM_USER) += xfrm_user.o diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index 6d4a60d1bf19..5f7e8bfa0c2d 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -22,6 +22,7 @@ #include <net/xfrm.h> #include <linux/notifier.h> +#ifdef CONFIG_XFRM_OFFLOAD int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features) { int err; @@ -137,6 +138,7 @@ ok: return true; } EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok); +#endif static int xfrm_dev_register(struct net_device *dev) { diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index a3dc7ab0b7ed..4706df612170 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1006,10 +1006,6 @@ int xfrm_policy_flush(struct net *net, u8 type, bool task_valid) err = -ESRCH; out: spin_unlock_bh(&net->xfrm.xfrm_policy_lock); - - if (cnt) - xfrm_garbage_collect(net); - return err; } EXPORT_SYMBOL(xfrm_policy_flush); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 6197c7231bc7..2be4c6af008a 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2027,6 +2027,7 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh, return 0; return err; } + xfrm_garbage_collect(net); c.data.type = type; c.event = nlh->nlmsg_type; |