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tls: rx: strp: force mixed decrypted records into copy mode

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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>
This commit is contained in:
Jakub Kicinski
2023-05-16 18:50:38 -07:00
committed by David S. Miller
parent 210620ae44
commit 14c4be92eb
2 changed files with 21 additions and 5 deletions
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10
include/linux/skbuff.h
View File

@@ -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)
{