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Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c48
1 files changed, 45 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 60c51f7..a90737f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -954,6 +954,37 @@ rollback:
}
/**
+ * dev_set_alias - change ifalias of a device
+ * @dev: device
+ * @alias: name up to IFALIASZ
+ *
+ * Set ifalias for a device,
+ */
+int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
+{
+ ASSERT_RTNL();
+
+ if (len >= IFALIASZ)
+ return -EINVAL;
+
+ if (!len) {
+ if (dev->ifalias) {
+ kfree(dev->ifalias);
+ dev->ifalias = NULL;
+ }
+ return 0;
+ }
+
+ dev->ifalias = krealloc(dev->ifalias, len+1, GFP_KERNEL);
+ if (!dev->ifalias)
+ return -ENOMEM;
+
+ strlcpy(dev->ifalias, alias, len+1);
+ return len;
+}
+
+
+/**
* netdev_features_change - device changes features
* @dev: device to cause notification
*
@@ -1675,13 +1706,13 @@ static u16 simple_tx_hash(struct net_device *dev, struct sk_buff *skb)
}
switch (skb->protocol) {
- case __constant_htons(ETH_P_IP):
+ case htons(ETH_P_IP):
ip_proto = ip_hdr(skb)->protocol;
addr1 = ip_hdr(skb)->saddr;
addr2 = ip_hdr(skb)->daddr;
ihl = ip_hdr(skb)->ihl;
break;
- case __constant_htons(ETH_P_IPV6):
+ case htons(ETH_P_IPV6):
ip_proto = ipv6_hdr(skb)->nexthdr;
addr1 = ipv6_hdr(skb)->saddr.s6_addr32[3];
addr2 = ipv6_hdr(skb)->daddr.s6_addr32[3];
@@ -1991,8 +2022,13 @@ static void net_tx_action(struct softirq_action *h)
spin_unlock(root_lock);
} else {
if (!test_bit(__QDISC_STATE_DEACTIVATED,
- &q->state))
+ &q->state)) {
__netif_reschedule(q);
+ } else {
+ smp_mb__before_clear_bit();
+ clear_bit(__QDISC_STATE_SCHED,
+ &q->state);
+ }
}
}
}
@@ -4663,6 +4699,12 @@ int netdev_compute_features(unsigned long all, unsigned long one)
one |= NETIF_F_GSO_SOFTWARE;
one |= NETIF_F_GSO;
+ /*
+ * If even one device supports a GSO protocol with software fallback,
+ * enable it for all.
+ */
+ all |= one & NETIF_F_GSO_SOFTWARE;
+
/* If even one device supports robust GSO, enable it for all. */
if (one & NETIF_F_GSO_ROBUST)
all |= NETIF_F_GSO_ROBUST;