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authorJakub Kicinski <kuba@kernel.org>2023-05-16 18:50:38 -0700
committerDavid S. Miller <davem@davemloft.net>2023-05-19 08:37:37 +0100
commit14c4be92ebb3e36e392aa9dd8f314038a9f96f3c (patch)
tree15ee013099de677dc369f6e99dcb4b3dd8b28a38 /include/linux/skbuff.h
parent210620ae44a83f25220450bbfcc22e6fe986b25f (diff)
tls: rx: strp: force mixed decrypted records into copy mode
If a record is partially decrypted we'll have to CoW it, anyway, so go into copy mode and allocate a writable skb right away. This will make subsequent fix simpler because we won't have to teach tls_strp_msg_make_copy() how to copy skbs while preserving decrypt status. Tested-by: Shai Amiram <samiram@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 738776ab8838..0b40417457cd 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1587,6 +1587,16 @@ static inline void skb_copy_hash(struct sk_buff *to, const struct sk_buff *from)
to->l4_hash = from->l4_hash;
};
+static inline int skb_cmp_decrypted(const struct sk_buff *skb1,
+ const struct sk_buff *skb2)
+{
+#ifdef CONFIG_TLS_DEVICE
+ return skb2->decrypted - skb1->decrypted;
+#else
+ return 0;
+#endif
+}
+
static inline void skb_copy_decrypted(struct sk_buff *to,
const struct sk_buff *from)
{