Merge branch 'cls_flower'

Jiri Pirko says:

====================
introduce programable flow dissector and cls_flower

Per Davem's request, I prepared this patchset which introduces programmable
flow dissector. For current users of flow_keys, there is a wrapper
skb_flow_dissect_flow_keys which maintains the previous behaviour.
For purposes of cls_flower, couple of new dissection keys were introduced.

Note that this dissector can be also eventually used by openvswitch code.

Also, as a next step, I plan to get rid of *skb_flow_get_ports(export)
and *__skb_get_poff as their functionality can be now implemented by
skb_flow_dissect as well.

v2->v3:
- remove TCA_FLOWER_POLICE attr suggested by Jamal

v1->v2:
- move __skb_tx_hash rather to dev.c as suggested by Alex
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 6 insertions, 11 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cd0951c1893d..d3ed01c18247 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2832,6 +2832,9 @@ static inline int netif_set_xps_queue(struct net_device *dev,
 }
 #endif
 
+u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
+		  unsigned int num_tx_queues);
+
 /*
  * Returns a Tx hash for the given packet when dev->real_num_tx_queues is used
  * as a distribution range limit for the returned value.
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c0b574a414e7..f83aa6568cbf 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -34,7 +34,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/netdev_features.h>
 #include <linux/sched.h>
-#include <net/flow_keys.h>
+#include <net/flow_dissector.h>
 
 /* A. Checksumming of received packets by device.
  *
@@ -918,7 +918,6 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, enum pkt_hash_types type)
 	skb->hash = hash;
 }
 
-void __skb_get_hash(struct sk_buff *skb);
 static inline __u32 skb_get_hash(struct sk_buff *skb)
 {
 	if (!skb->l4_hash && !skb->sw_hash)
@@ -1936,8 +1935,8 @@ static inline void skb_probe_transport_header(struct sk_buff *skb,
 
 	if (skb_transport_header_was_set(skb))
 		return;
-	else if (skb_flow_dissect(skb, &keys))
-		skb_set_transport_header(skb, keys.thoff);
+	else if (skb_flow_dissect_flow_keys(skb, &keys))
+		skb_set_transport_header(skb, keys.basic.thoff);
 	else
 		skb_set_transport_header(skb, offset_hint);
 }
@@ -3300,9 +3299,6 @@ static inline bool skb_rx_queue_recorded(const struct sk_buff *skb)
 	return skb->queue_mapping != 0;
 }
 
-u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
-		  unsigned int num_tx_queues);
-
 static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
 {
 #ifdef CONFIG_XFRM
@@ -3424,10 +3420,6 @@ struct sk_buff *skb_checksum_trimmed(struct sk_buff *skb,
 				     unsigned int transport_len,
 				     __sum16(*skb_chkf)(struct sk_buff *skb));
 
-u32 skb_get_poff(const struct sk_buff *skb);
-u32 __skb_get_poff(const struct sk_buff *skb, void *data,
-		   const struct flow_keys *keys, int hlen);
-
 /**
  * skb_head_is_locked - Determine if the skb->head is locked down
  * @skb: skb to check