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authorPaolo Abeni <pabeni@redhat.com>2020-01-09 07:59:24 -0800
committerDavid S. Miller <davem@davemloft.net>2020-01-09 18:41:42 -0800
commit8b69a803814bb8b14155ea60df83f6d57527e69e (patch)
tree92e71bf4a33294a1d0dc22f9f9529a105f6a381a /include/linux/skbuff.h
parente66b2f31a068dd67172008459678821a79e4ea24 (diff)
skb: add helpers to allocate ext independently from sk_buff
Currently we can allocate the extension only after the skb, this change allows the user to do the opposite, will simplify allocation failure handling from MPTCP. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index f5c27600b410..016b3c4ab99a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -4120,6 +4120,9 @@ struct skb_ext {
char data[0] __aligned(8);
};
+struct skb_ext *__skb_ext_alloc(void);
+void *__skb_ext_set(struct sk_buff *skb, enum skb_ext_id id,
+ struct skb_ext *ext);
void *skb_ext_add(struct sk_buff *skb, enum skb_ext_id id);
void __skb_ext_del(struct sk_buff *skb, enum skb_ext_id id);
void __skb_ext_put(struct skb_ext *ext);