Merge branch 'i2c/for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

[linux-beck.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index f39b37180c414deb6d71c0ab5d674f89958630c0..6f0b3e0adc73674f56449f49e61a7264463efd5f 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -37,6 +37,7 @@
 #include <net/flow_dissector.h>
 #include <linux/splice.h>
 #include <linux/in6.h>
+#include <linux/if_packet.h>
 #include <net/flow.h>
 
 /* The interface for checksum offload between the stack and networking drivers
@@ -301,6 +302,11 @@ struct sk_buff;
 #endif
 extern int sysctl_max_skb_frags;
 
+/* Set skb_shinfo(skb)->gso_size to this in case you want skb_segment to
+ * segment using its current segmentation instead.
+ */
+#define GSO_BY_FRAGS   0xFFFF
+
 typedef struct skb_frag_struct skb_frag_t;
 
 struct skb_frag_struct {
@@ -482,6 +488,8 @@ enum {
        SKB_GSO_PARTIAL = 1 << 13,
 
        SKB_GSO_TUNNEL_REMCSUM = 1 << 14,
+
+       SKB_GSO_SCTP = 1 << 15,
 };
 
 #if BITS_PER_LONG > 32
@@ -874,6 +882,15 @@ static inline struct rtable *skb_rtable(const struct sk_buff *skb)
        return (struct rtable *)skb_dst(skb);
 }
 
+/* For mangling skb->pkt_type from user space side from applications
+ * such as nft, tc, etc, we only allow a conservative subset of
+ * possible pkt_types to be set.
+*/
+static inline bool skb_pkt_type_ok(u32 ptype)
+{
+       return ptype <= PACKET_OTHERHOST;
+}
+
 void kfree_skb(struct sk_buff *skb);
 void kfree_skb_list(struct sk_buff *segs);
 void skb_tx_error(struct sk_buff *skb);
@@ -3007,6 +3024,7 @@ void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len);
 int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen);
 void skb_scrub_packet(struct sk_buff *skb, bool xnet);
 unsigned int skb_gso_transport_seglen(const struct sk_buff *skb);
+bool skb_gso_validate_mtu(const struct sk_buff *skb, unsigned int mtu);
 struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features);
 struct sk_buff *skb_vlan_untag(struct sk_buff *skb);
 int skb_ensure_writable(struct sk_buff *skb, int write_len);