Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 19 insertions, 81 deletions

diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index c755e4971fa3..ab8f76dba668 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -2,7 +2,7 @@
 #define __LINUX_BRIDGE_NETFILTER_H
 
 #include <uapi/linux/netfilter_bridge.h>
-
+#include <linux/skbuff.h>
 
 enum nf_br_hook_priorities {
 	NF_BR_PRI_FIRST = INT_MIN,
@@ -17,110 +17,48 @@ enum nf_br_hook_priorities {
 
 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
 
-#define BRNF_PKT_TYPE			0x01
 #define BRNF_BRIDGED_DNAT		0x02
-#define BRNF_BRIDGED			0x04
 #define BRNF_NF_BRIDGE_PREROUTING	0x08
-#define BRNF_8021Q			0x10
-#define BRNF_PPPoE			0x20
 
-static inline unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb)
+static inline unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb)
 {
-	switch (skb->protocol) {
-	case __cpu_to_be16(ETH_P_8021Q):
-		return VLAN_HLEN;
-	case __cpu_to_be16(ETH_P_PPP_SES):
+	if (skb->nf_bridge->orig_proto == BRNF_PROTO_PPPOE)
 		return PPPOE_SES_HLEN;
-	default:
-		return 0;
-	}
+	return 0;
 }
 
-static inline void nf_bridge_update_protocol(struct sk_buff *skb)
-{
-	if (skb->nf_bridge->mask & BRNF_8021Q)
-		skb->protocol = htons(ETH_P_8021Q);
-	else if (skb->nf_bridge->mask & BRNF_PPPoE)
-		skb->protocol = htons(ETH_P_PPP_SES);
-}
+int br_handle_frame_finish(struct sock *sk, struct sk_buff *skb);
 
-/* Fill in the header for fragmented IP packets handled by
- * the IPv4 connection tracking code.
- *
- * Only used in br_forward.c
- */
-static inline int nf_bridge_copy_header(struct sk_buff *skb)
+static inline void br_drop_fake_rtable(struct sk_buff *skb)
 {
-	int err;
-	unsigned int header_size;
-
-	nf_bridge_update_protocol(skb);
-	header_size = ETH_HLEN + nf_bridge_encap_header_len(skb);
-	err = skb_cow_head(skb, header_size);
-	if (err)
-		return err;
+	struct dst_entry *dst = skb_dst(skb);
 
-	skb_copy_to_linear_data_offset(skb, -header_size,
-				       skb->nf_bridge->data, header_size);
-	__skb_push(skb, nf_bridge_encap_header_len(skb));
-	return 0;
+	if (dst && (dst->flags & DST_FAKE_RTABLE))
+		skb_dst_drop(skb);
 }
 
-static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb)
+static inline int nf_bridge_get_physinif(const struct sk_buff *skb)
 {
-	if (skb->nf_bridge &&
-	    skb->nf_bridge->mask & (BRNF_BRIDGED | BRNF_BRIDGED_DNAT))
-		return nf_bridge_copy_header(skb);
-  	return 0;
+	return skb->nf_bridge ? skb->nf_bridge->physindev->ifindex : 0;
 }
 
-static inline unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb)
+static inline int nf_bridge_get_physoutif(const struct sk_buff *skb)
 {
-	if (unlikely(skb->nf_bridge->mask & BRNF_PPPoE))
-		return PPPOE_SES_HLEN;
-	return 0;
+	return skb->nf_bridge ? skb->nf_bridge->physoutdev->ifindex : 0;
 }
 
-int br_handle_frame_finish(struct sk_buff *skb);
-/* Only used in br_device.c */
-static inline int br_nf_pre_routing_finish_bridge_slow(struct sk_buff *skb)
+static inline struct net_device *
+nf_bridge_get_physindev(const struct sk_buff *skb)
 {
-	struct nf_bridge_info *nf_bridge = skb->nf_bridge;
-
-	skb_pull(skb, ETH_HLEN);
-	nf_bridge->mask ^= BRNF_BRIDGED_DNAT;
-	skb_copy_to_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN),
-				       skb->nf_bridge->data, ETH_HLEN-ETH_ALEN);
-	skb->dev = nf_bridge->physindev;
-	return br_handle_frame_finish(skb);
+	return skb->nf_bridge ? skb->nf_bridge->physindev : NULL;
 }
 
-/* This is called by the IP fragmenting code and it ensures there is
- * enough room for the encapsulating header (if there is one). */
-static inline unsigned int nf_bridge_pad(const struct sk_buff *skb)
+static inline struct net_device *
+nf_bridge_get_physoutdev(const struct sk_buff *skb)
 {
-	if (skb->nf_bridge)
-		return nf_bridge_encap_header_len(skb);
-	return 0;
+	return skb->nf_bridge ? skb->nf_bridge->physoutdev : NULL;
 }
-
-struct bridge_skb_cb {
-	union {
-		__be32 ipv4;
-	} daddr;
-};
-
-static inline void br_drop_fake_rtable(struct sk_buff *skb)
-{
-	struct dst_entry *dst = skb_dst(skb);
-
-	if (dst && (dst->flags & DST_FAKE_RTABLE))
-		skb_dst_drop(skb);
-}
-
 #else
-#define nf_bridge_maybe_copy_header(skb)	(0)
-#define nf_bridge_pad(skb)			(0)
 #define br_drop_fake_rtable(skb)	        do { } while (0)
 #endif /* CONFIG_BRIDGE_NETFILTER */