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-rw-r--r--net/core/datagram.c2
-rw-r--r--net/core/dev.c79
-rw-r--r--net/core/gen_estimator.c2
-rw-r--r--net/core/gen_stats.c2
-rw-r--r--net/core/rtnetlink.c3
-rw-r--r--net/core/skbuff.c57
-rw-r--r--net/core/sock.c34
7 files changed, 150 insertions, 29 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 488dd1a825c0..fdbc9a81d4c2 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -775,7 +775,7 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb)
EXPORT_SYMBOL(__skb_checksum_complete);
/**
- * skb_copy_and_csum_datagram_iovec - Copy and checkum skb to user iovec.
+ * skb_copy_and_csum_datagram_iovec - Copy and checksum skb to user iovec.
* @skb: skbuff
* @hlen: hardware length
* @iov: io vector
diff --git a/net/core/dev.c b/net/core/dev.c
index 1c15b189c52b..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);
}
@@ -3602,7 +3608,7 @@ another_round:
if (skb->protocol == cpu_to_be16(ETH_P_8021Q) ||
skb->protocol == cpu_to_be16(ETH_P_8021AD)) {
- skb = vlan_untag(skb);
+ skb = skb_vlan_untag(skb);
if (unlikely(!skb))
goto unlock;
}
@@ -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/gen_estimator.c b/net/core/gen_estimator.c
index 6b5b6e7013ca..9d33dfffca19 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -197,7 +197,7 @@ struct gen_estimator *gen_find_node(const struct gnet_stats_basic_packed *bstats
* as destination. A new timer with the interval specified in the
* configuration TLV is created. Upon each interval, the latest statistics
* will be read from &bstats and the estimated rate will be stored in
- * &rate_est with the statistics lock grabed during this period.
+ * &rate_est with the statistics lock grabbed during this period.
*
* Returns 0 on success or a negative error code.
*
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index 9d3d9e78397b..2ddbce4cce14 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -206,7 +206,7 @@ EXPORT_SYMBOL(gnet_stats_copy_queue);
* @st: application specific statistics data
* @len: length of data
*
- * Appends the application sepecific statistics to the top level TLV created by
+ * Appends the application specific statistics to the top level TLV created by
* gnet_stats_start_copy() and remembers the data for XSTATS if the dumping
* handle is in backward compatibility mode.
*
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 8d39071f32d7..f0493e3b7471 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -804,7 +804,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev,
(nla_total_size(sizeof(struct ifla_vf_mac)) +
nla_total_size(sizeof(struct ifla_vf_vlan)) +
nla_total_size(sizeof(struct ifla_vf_spoofchk)) +
- nla_total_size(sizeof(struct ifla_vf_rate)));
+ nla_total_size(sizeof(struct ifla_vf_rate)) +
+ nla_total_size(sizeof(struct ifla_vf_link_state)));
return size;
} else
return 0;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 224506a6fa80..da1378a3e2c7 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -62,6 +62,7 @@
#include <linux/scatterlist.h>
#include <linux/errqueue.h>
#include <linux/prefetch.h>
+#include <linux/if_vlan.h>
#include <net/protocol.h>
#include <net/dst.h>
@@ -2646,7 +2647,7 @@ EXPORT_SYMBOL(skb_prepare_seq_read);
* skb_seq_read() will return the remaining part of the block.
*
* Note 1: The size of each block of data returned can be arbitrary,
- * this limitation is the cost for zerocopy seqeuental
+ * this limitation is the cost for zerocopy sequential
* reads of potentially non linear data.
*
* Note 2: Fragment lists within fragments are not implemented
@@ -2780,7 +2781,7 @@ EXPORT_SYMBOL(skb_find_text);
/**
* skb_append_datato_frags - append the user data to a skb
* @sk: sock structure
- * @skb: skb structure to be appened with user data.
+ * @skb: skb structure to be appended with user data.
* @getfrag: call back function to be used for getting the user data
* @from: pointer to user message iov
* @length: length of the iov message
@@ -3973,3 +3974,55 @@ unsigned int skb_gso_transport_seglen(const struct sk_buff *skb)
return shinfo->gso_size;
}
EXPORT_SYMBOL_GPL(skb_gso_transport_seglen);
+
+static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
+{
+ if (skb_cow(skb, skb_headroom(skb)) < 0) {
+ kfree_skb(skb);
+ return NULL;
+ }
+
+ memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
+ skb->mac_header += VLAN_HLEN;
+ return skb;
+}
+
+struct sk_buff *skb_vlan_untag(struct sk_buff *skb)
+{
+ struct vlan_hdr *vhdr;
+ u16 vlan_tci;
+
+ if (unlikely(vlan_tx_tag_present(skb))) {
+ /* vlan_tci is already set-up so leave this for another time */
+ return skb;
+ }
+
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (unlikely(!skb))
+ goto err_free;
+
+ if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
+ goto err_free;
+
+ vhdr = (struct vlan_hdr *)skb->data;
+ vlan_tci = ntohs(vhdr->h_vlan_TCI);
+ __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci);
+
+ skb_pull_rcsum(skb, VLAN_HLEN);
+ vlan_set_encap_proto(skb, vhdr);
+
+ skb = skb_reorder_vlan_header(skb);
+ if (unlikely(!skb))
+ goto err_free;
+
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
+ skb_reset_mac_len(skb);
+
+ return skb;
+
+err_free:
+ kfree_skb(skb);
+ return NULL;
+}
+EXPORT_SYMBOL(skb_vlan_untag);
diff --git a/net/core/sock.c b/net/core/sock.c
index 2714811afbd8..d372b4bd3f99 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -166,7 +166,7 @@ EXPORT_SYMBOL(sk_ns_capable);
/**
* sk_capable - Socket global capability test
* @sk: Socket to use a capability on or through
- * @cap: The global capbility to use
+ * @cap: The global capability to use
*
* Test to see if the opener of the socket had when the socket was
* created and the current process has the capability @cap in all user
@@ -183,7 +183,7 @@ EXPORT_SYMBOL(sk_capable);
* @sk: Socket to use a capability on or through
* @cap: The capability to use
*
- * Test to see if the opener of the socket had when the socke was created
+ * Test to see if the opener of the socket had when the socket was created
* and the current process has the capability @cap over the network namespace
* the socket is a member of.
*/
@@ -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);
generated by cgit (git 2.34.1) at 2025-06-01 19:00:46 +0000