X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fskbuff.h;h=93c27f71122a8d88139cdb8ae251b5e953404485;hb=5bc705e9fe774be9bb87584644c1f6752ee5ea7e;hp=881fe80f01d004f63e6ffc7dd51237a13f83e02a;hpb=334a8132d9950f769f390f0f35c233d099688e7a;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 881fe80f01d..93c27f71122 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -65,13 +65,20 @@
  *	    is able to produce some skb->csum, it MUST use COMPLETE,
  *	    not UNNECESSARY.
  *
+ *	PARTIAL: identical to the case for output below.  This may occur
+ *	    on a packet received directly from another Linux OS, e.g.,
+ *	    a virtualised Linux kernel on the same host.  The packet can
+ *	    be treated in the same way as UNNECESSARY except that on
+ *	    output (i.e., forwarding) the checksum must be filled in
+ *	    by the OS or the hardware.
+ *
  * B. Checksumming on output.
  *
  *	NONE: skb is checksummed by protocol or csum is not required.
  *
  *	PARTIAL: device is required to csum packet as seen by hard_start_xmit
- *	from skb->transport_header to the end and to record the checksum
- *	at skb->transport_header + skb->csum.
+ *	from skb->csum_start to the end and to record the checksum
+ *	at skb->csum_start + skb->csum_offset.
  *
  *	Device must show its capabilities in dev->features, set
  *	at device setup time.
@@ -82,6 +89,7 @@
  *			  TCP/UDP over IPv4. Sigh. Vendors like this
  *			  way by an unknown reason. Though, see comment above
  *			  about CHECKSUM_UNNECESSARY. 8)
+ *	NETIF_F_IPV6_CSUM about as dumb as the last one but does IPv6 instead.
  *
  *	Any questions? No questions, good. 		--ANK
  */
@@ -126,8 +134,8 @@ typedef struct skb_frag_struct skb_frag_t;
 
 struct skb_frag_struct {
 	struct page *page;
-	__u16 page_offset;
-	__u16 size;
+	__u32 page_offset;
+	__u32 size;
 };
 
 /* This data is invariant across clones and lives at
@@ -196,7 +204,6 @@ typedef unsigned char *sk_buff_data_t;
  *	@sk: Socket we are owned by
  *	@tstamp: Time we arrived
  *	@dev: Device we arrived on/are leaving by
- *	@iif: ifindex of device we arrived on
  *	@transport_header: Transport layer header
  *	@network_header: Network layer header
  *	@mac_header: Link layer header
@@ -228,9 +235,12 @@ typedef unsigned char *sk_buff_data_t;
  *	@mark: Generic packet mark
  *	@nfct: Associated connection, if any
  *	@ipvs_property: skbuff is owned by ipvs
+ *	@nf_trace: netfilter packet trace flag
  *	@nfctinfo: Relationship of this skb to the connection
  *	@nfct_reasm: netfilter conntrack re-assembly pointer
  *	@nf_bridge: Saved data about a bridged frame - see br_netfilter.c
+ *	@iif: ifindex of device we arrived on
+ *	@queue_mapping: Queue mapping for multiqueue devices
  *	@tc_index: Traffic control index
  *	@tc_verd: traffic control verdict
  *	@dma_cookie: a cookie to one of several possible DMA operations
@@ -246,8 +256,6 @@ struct sk_buff {
 	struct sock		*sk;
 	ktime_t			tstamp;
 	struct net_device	*dev;
-	int			iif;
-	/* 4 byte hole on 64 bit*/
 
 	struct  dst_entry	*dst;
 	struct	sec_path	*sp;
@@ -279,7 +287,8 @@ struct sk_buff {
 				nfctinfo:3;
 	__u8			pkt_type:3,
 				fclone:2,
-				ipvs_property:1;
+				ipvs_property:1,
+				nf_trace:1;
 	__be16			protocol;
 
 	void			(*destructor)(struct sk_buff *skb);
@@ -290,12 +299,18 @@ struct sk_buff {
 #ifdef CONFIG_BRIDGE_NETFILTER
 	struct nf_bridge_info	*nf_bridge;
 #endif
+
+	int			iif;
+	__u16			queue_mapping;
+
 #ifdef CONFIG_NET_SCHED
 	__u16			tc_index;	/* traffic control index */
 #ifdef CONFIG_NET_CLS_ACT
 	__u16			tc_verd;	/* traffic control verdict */
 #endif
 #endif
+	/* 2 byte hole */
+
 #ifdef CONFIG_NET_DMA
 	dma_cookie_t		dma_cookie;
 #endif
@@ -1624,7 +1639,7 @@ static inline int skb_csum_unnecessary(const struct sk_buff *skb)
  *	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)
+static inline __sum16 skb_checksum_complete(struct sk_buff *skb)
 {
 	return skb_csum_unnecessary(skb) ?
 	       0 : __skb_checksum_complete(skb);
@@ -1725,6 +1740,20 @@ static inline void skb_init_secmark(struct sk_buff *skb)
 { }
 #endif
 
+static inline void skb_set_queue_mapping(struct sk_buff *skb, u16 queue_mapping)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+	skb->queue_mapping = queue_mapping;
+#endif
+}
+
+static inline void skb_copy_queue_mapping(struct sk_buff *to, const struct sk_buff *from)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+	to->queue_mapping = from->queue_mapping;
+#endif
+}
+
 static inline int skb_is_gso(const struct sk_buff *skb)
 {
 	return skb_shinfo(skb)->gso_size;