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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 14:46:07 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 14:46:07 -0800
commit985834a1c3a2e9639145bd8ea16af6e25f2143ad (patch)
tree3a37e487882d1c6b1b8101ef160afb26405b1647 /include/linux
parentb8cbfa692485bf7568eda3d2f37545a76efb7c93 (diff)
parentf3b84ec2a67bbfbe44cf907203ee99b23b38fc30 (diff)
downloadop-kernel-dev-985834a1c3a2e9639145bd8ea16af6e25f2143ad.zip
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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/if_ether.h4
-rw-r--r--include/linux/netdevice.h7
-rw-r--r--include/linux/skbuff.h27
3 files changed, 35 insertions, 3 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index d21c305..fe26d43 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -21,6 +21,8 @@
#ifndef _LINUX_IF_ETHER_H
#define _LINUX_IF_ETHER_H
+#include <linux/types.h>
+
/*
* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
* and FCS/CRC (frame check sequence).
@@ -100,7 +102,7 @@
struct ethhdr {
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
unsigned char h_source[ETH_ALEN]; /* source ether addr */
- unsigned short h_proto; /* packet type ID field */
+ __be16 h_proto; /* packet type ID field */
} __attribute__((packed));
#ifdef __KERNEL__
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c6efce4..936f8b7 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -927,6 +927,13 @@ extern int netdev_max_backlog;
extern int weight_p;
extern int netdev_set_master(struct net_device *dev, struct net_device *master);
extern int skb_checksum_help(struct sk_buff *skb, int inward);
+#ifdef CONFIG_BUG
+extern void netdev_rx_csum_fault(struct net_device *dev);
+#else
+static inline void netdev_rx_csum_fault(struct net_device *dev)
+{
+}
+#endif
/* rx skb timestamps */
extern void net_enable_timestamp(void);
extern void net_disable_timestamp(void);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 8301023..0a8ea8b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1236,8 +1236,7 @@ extern unsigned int datagram_poll(struct file *file, struct socket *sock,
extern int skb_copy_datagram_iovec(const struct sk_buff *from,
int offset, struct iovec *to,
int size);
-extern int skb_copy_and_csum_datagram_iovec(const
- struct sk_buff *skb,
+extern int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
int hlen,
struct iovec *iov);
extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb);
@@ -1305,6 +1304,30 @@ static inline void skb_set_timestamp(struct sk_buff *skb, const struct timeval *
extern void __net_timestamp(struct sk_buff *skb);
+extern unsigned int __skb_checksum_complete(struct sk_buff *skb);
+
+/**
+ * skb_checksum_complete - Calculate checksum of an entire packet
+ * @skb: packet to process
+ *
+ * This function calculates the checksum over the entire packet plus
+ * the value of skb->csum. The latter can be used to supply the
+ * checksum of a pseudo header as used by TCP/UDP. It returns the
+ * checksum.
+ *
+ * For protocols that contain complete checksums such as ICMP/TCP/UDP,
+ * this function can be used to verify that checksum on received
+ * packets. In that case the function should return zero if the
+ * checksum is correct. In particular, this function will return zero
+ * if skb->ip_summed is CHECKSUM_UNNECESSARY which indicates that the
+ * hardware has already verified the correctness of the checksum.
+ */
+static inline unsigned int skb_checksum_complete(struct sk_buff *skb)
+{
+ return skb->ip_summed != CHECKSUM_UNNECESSARY &&
+ __skb_checksum_complete(skb);
+}
+
#ifdef CONFIG_NETFILTER
static inline void nf_conntrack_put(struct nf_conntrack *nfct)
{
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