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-rw-r--r--net/can/raw.c3
-rw-r--r--net/core/dev.c23
-rw-r--r--net/core/netpoll.c11
-rw-r--r--net/ipv6/ip6_fib.c18
-rw-r--r--net/ipv6/route.c24
-rw-r--r--net/iucv/af_iucv.c1
6 files changed, 33 insertions, 47 deletions
diff --git a/net/can/raw.c b/net/can/raw.c
index cde1b4a20f75..46cca3a91d19 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -681,9 +681,6 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock,
if (err < 0)
goto free_skb;
- /* to be able to check the received tx sock reference in raw_rcv() */
- skb_shinfo(skb)->tx_flags |= SKBTX_DRV_NEEDS_SK_REF;
-
skb->dev = dev;
skb->sk = sk;
diff --git a/net/core/dev.c b/net/core/dev.c
index c6e29ea65bd9..57c4f9bc6858 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2089,25 +2089,6 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features)
return 0;
}
-/*
- * Try to orphan skb early, right before transmission by the device.
- * We cannot orphan skb if tx timestamp is requested or the sk-reference
- * is needed on driver level for other reasons, e.g. see net/can/raw.c
- */
-static inline void skb_orphan_try(struct sk_buff *skb)
-{
- struct sock *sk = skb->sk;
-
- if (sk && !skb_shinfo(skb)->tx_flags) {
- /* skb_tx_hash() wont be able to get sk.
- * We copy sk_hash into skb->rxhash
- */
- if (!skb->rxhash)
- skb->rxhash = sk->sk_hash;
- skb_orphan(skb);
- }
-}
-
static bool can_checksum_protocol(netdev_features_t features, __be16 protocol)
{
return ((features & NETIF_F_GEN_CSUM) ||
@@ -2193,8 +2174,6 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
if (!list_empty(&ptype_all))
dev_queue_xmit_nit(skb, dev);
- skb_orphan_try(skb);
-
features = netif_skb_features(skb);
if (vlan_tx_tag_present(skb) &&
@@ -2304,7 +2283,7 @@ u16 __skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb,
if (skb->sk && skb->sk->sk_hash)
hash = skb->sk->sk_hash;
else
- hash = (__force u16) skb->protocol ^ skb->rxhash;
+ hash = (__force u16) skb->protocol;
hash = jhash_1word(hash, hashrnd);
return (u16) (((u64) hash * qcount) >> 32) + qoffset;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 3d84fb9d8873..f9f40b932e4b 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -362,22 +362,23 @@ EXPORT_SYMBOL(netpoll_send_skb_on_dev);
void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
{
- int total_len, eth_len, ip_len, udp_len;
+ int total_len, ip_len, udp_len;
struct sk_buff *skb;
struct udphdr *udph;
struct iphdr *iph;
struct ethhdr *eth;
udp_len = len + sizeof(*udph);
- ip_len = eth_len = udp_len + sizeof(*iph);
- total_len = eth_len + ETH_HLEN + NET_IP_ALIGN;
+ ip_len = udp_len + sizeof(*iph);
+ total_len = ip_len + LL_RESERVED_SPACE(np->dev);
- skb = find_skb(np, total_len, total_len - len);
+ skb = find_skb(np, total_len + np->dev->needed_tailroom,
+ total_len - len);
if (!skb)
return;
skb_copy_to_linear_data(skb, msg, len);
- skb->len += len;
+ skb_put(skb, len);
skb_push(skb, sizeof(*udph));
skb_reset_transport_header(skb);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 215afc74d8aa..a83bf067bdc5 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1697,21 +1697,25 @@ int __init fib6_init(void)
ret = register_pernet_subsys(&fib6_net_ops);
if (ret)
goto out_kmem_cache_create;
-
- ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib,
- NULL);
- if (ret)
- goto out_unregister_subsys;
out:
return ret;
-out_unregister_subsys:
- unregister_pernet_subsys(&fib6_net_ops);
out_kmem_cache_create:
kmem_cache_destroy(fib6_node_kmem);
goto out;
}
+int __init fib6_init_late(void)
+{
+ return __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib,
+ NULL);
+}
+
+void fib6_cleanup_late(void)
+{
+ rtnl_unregister(PF_INET6, RTM_GETROUTE);
+}
+
void fib6_gc_cleanup(void)
{
unregister_pernet_subsys(&fib6_net_ops);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0d41f68daff2..c7ccc36ba63e 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2974,13 +2974,17 @@ int __init ip6_route_init(void)
if (ret)
goto out_kmem_cache;
- ret = register_pernet_subsys(&ip6_route_net_ops);
+ ret = fib6_init();
if (ret)
goto out_dst_entries;
ret = register_pernet_subsys(&ipv6_inetpeer_ops);
if (ret)
- goto out_register_subsys;
+ goto out_fib6_init;
+
+ ret = register_pernet_subsys(&ip6_route_net_ops);
+ if (ret)
+ goto out_register_inetpeer;
ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops_template.kmem_cachep;
@@ -2995,13 +2999,13 @@ int __init ip6_route_init(void)
init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
#endif
- ret = fib6_init();
+ ret = fib6_init_late();
if (ret)
- goto out_register_inetpeer;
+ goto out_register_subsys;
ret = xfrm6_init();
if (ret)
- goto out_fib6_init;
+ goto out_fib6_init_late;
ret = fib6_rules_init();
if (ret)
@@ -3024,12 +3028,14 @@ fib6_rules_init:
fib6_rules_cleanup();
xfrm6_init:
xfrm6_fini();
-out_fib6_init:
- fib6_gc_cleanup();
-out_register_inetpeer:
- unregister_pernet_subsys(&ipv6_inetpeer_ops);
+out_fib6_init_late:
+ fib6_cleanup_late();
out_register_subsys:
unregister_pernet_subsys(&ip6_route_net_ops);
+out_register_inetpeer:
+ unregister_pernet_subsys(&ipv6_inetpeer_ops);
+out_fib6_init:
+ fib6_gc_cleanup();
out_dst_entries:
dst_entries_destroy(&ip6_dst_blackhole_ops);
out_kmem_cache:
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 07d7d55a1b93..cd6f7a991d80 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -372,7 +372,6 @@ static int afiucv_hs_send(struct iucv_message *imsg, struct sock *sock,
skb_trim(skb, skb->dev->mtu);
}
skb->protocol = ETH_P_AF_IUCV;
- skb_shinfo(skb)->tx_flags |= SKBTX_DRV_NEEDS_SK_REF;
nskb = skb_clone(skb, GFP_ATOMIC);
if (!nskb)
return -ENOMEM;
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