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-rw-r--r--net/core/dev.c77
-rw-r--r--net/core/sock.c30
-rw-r--r--net/sctp/socket.c2
3 files changed, 88 insertions, 21 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index b65a5051361f..ab9a16530c36 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2587,13 +2587,19 @@ netdev_features_t netif_skb_features(struct sk_buff *skb)
return harmonize_features(skb, features);
}
- features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_STAG_TX);
+ features = netdev_intersect_features(features,
+ skb->dev->vlan_features |
+ NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX);
if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD))
- features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
- NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_STAG_TX;
+ features = netdev_intersect_features(features,
+ NETIF_F_SG |
+ NETIF_F_HIGHDMA |
+ NETIF_F_FRAGLIST |
+ NETIF_F_GEN_CSUM |
+ NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX);
return harmonize_features(skb, features);
}
@@ -4889,7 +4895,8 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev,
if (adj->master)
sysfs_remove_link(&(dev->dev.kobj), "master");
- if (netdev_adjacent_is_neigh_list(dev, dev_list))
+ if (netdev_adjacent_is_neigh_list(dev, dev_list) &&
+ net_eq(dev_net(dev),dev_net(adj_dev)))
netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list);
list_del_rcu(&adj->list);
@@ -5159,11 +5166,65 @@ void netdev_upper_dev_unlink(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_upper_dev_unlink);
+void netdev_adjacent_add_links(struct net_device *dev)
+{
+ struct netdev_adjacent *iter;
+
+ struct net *net = dev_net(dev);
+
+ list_for_each_entry(iter, &dev->adj_list.upper, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_add(iter->dev, dev,
+ &iter->dev->adj_list.lower);
+ netdev_adjacent_sysfs_add(dev, iter->dev,
+ &dev->adj_list.upper);
+ }
+
+ list_for_each_entry(iter, &dev->adj_list.lower, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_add(iter->dev, dev,
+ &iter->dev->adj_list.upper);
+ netdev_adjacent_sysfs_add(dev, iter->dev,
+ &dev->adj_list.lower);
+ }
+}
+
+void netdev_adjacent_del_links(struct net_device *dev)
+{
+ struct netdev_adjacent *iter;
+
+ struct net *net = dev_net(dev);
+
+ list_for_each_entry(iter, &dev->adj_list.upper, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_del(iter->dev, dev->name,
+ &iter->dev->adj_list.lower);
+ netdev_adjacent_sysfs_del(dev, iter->dev->name,
+ &dev->adj_list.upper);
+ }
+
+ list_for_each_entry(iter, &dev->adj_list.lower, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_del(iter->dev, dev->name,
+ &iter->dev->adj_list.upper);
+ netdev_adjacent_sysfs_del(dev, iter->dev->name,
+ &dev->adj_list.lower);
+ }
+}
+
void netdev_adjacent_rename_links(struct net_device *dev, char *oldname)
{
struct netdev_adjacent *iter;
+ struct net *net = dev_net(dev);
+
list_for_each_entry(iter, &dev->adj_list.upper, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
netdev_adjacent_sysfs_del(iter->dev, oldname,
&iter->dev->adj_list.lower);
netdev_adjacent_sysfs_add(iter->dev, dev,
@@ -5171,6 +5232,8 @@ void netdev_adjacent_rename_links(struct net_device *dev, char *oldname)
}
list_for_each_entry(iter, &dev->adj_list.lower, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
netdev_adjacent_sysfs_del(iter->dev, oldname,
&iter->dev->adj_list.upper);
netdev_adjacent_sysfs_add(iter->dev, dev,
@@ -6773,6 +6836,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* Send a netdev-removed uevent to the old namespace */
kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE);
+ netdev_adjacent_del_links(dev);
/* Actually switch the network namespace */
dev_net_set(dev, net);
@@ -6787,6 +6851,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* Send a netdev-add uevent to the new namespace */
kobject_uevent(&dev->dev.kobj, KOBJ_ADD);
+ netdev_adjacent_add_links(dev);
/* Fixup kobjects */
err = device_rename(&dev->dev, dev->name);
diff --git a/net/core/sock.c b/net/core/sock.c
index 2714811afbd8..29870571c42f 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1822,6 +1822,9 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
order);
if (page)
goto fill_page;
+ /* Do not retry other high order allocations */
+ order = 1;
+ max_page_order = 0;
}
order--;
}
@@ -1869,10 +1872,8 @@ EXPORT_SYMBOL(sock_alloc_send_skb);
* no guarantee that allocations succeed. Therefore, @sz MUST be
* less or equal than PAGE_SIZE.
*/
-bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio)
+bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)
{
- int order;
-
if (pfrag->page) {
if (atomic_read(&pfrag->page->_count) == 1) {
pfrag->offset = 0;
@@ -1883,20 +1884,21 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio)
put_page(pfrag->page);
}
- order = SKB_FRAG_PAGE_ORDER;
- do {
- gfp_t gfp = prio;
-
- if (order)
- gfp |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY;
- pfrag->page = alloc_pages(gfp, order);
+ pfrag->offset = 0;
+ if (SKB_FRAG_PAGE_ORDER) {
+ pfrag->page = alloc_pages(gfp | __GFP_COMP |
+ __GFP_NOWARN | __GFP_NORETRY,
+ SKB_FRAG_PAGE_ORDER);
if (likely(pfrag->page)) {
- pfrag->offset = 0;
- pfrag->size = PAGE_SIZE << order;
+ pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER;
return true;
}
- } while (--order >= 0);
-
+ }
+ pfrag->page = alloc_page(gfp);
+ if (likely(pfrag->page)) {
+ pfrag->size = PAGE_SIZE;
+ return true;
+ }
return false;
}
EXPORT_SYMBOL(skb_page_frag_refill);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index eb71d49e7653..634a2abb5f3a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4243,7 +4243,7 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
transport = asoc->peer.primary_path;
status.sstat_assoc_id = sctp_assoc2id(asoc);
- status.sstat_state = asoc->state;
+ status.sstat_state = sctp_assoc_to_state(asoc);
status.sstat_rwnd = asoc->peer.rwnd;
status.sstat_unackdata = asoc->unack_data;