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tls: rx: async: hold onto the input skb

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Async crypto currently benefits from the fact that we decrypt
in place. When we allow input and output to be different skbs
we will have to hang onto the input while we move to the next
record. Clone the inputs and keep them on a list.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2022-07-14 22:22:33 -07:00
committed by David S. Miller
parent 6ececdc513
commit c618db2afe
5 changed files with 39 additions and 10 deletions
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include/net/tls.h
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@@ -123,6 +123,7 @@ struct tls_sw_context_rx {
atomic_t decrypt_pending;
/* protect crypto_wait with decrypt_pending*/
spinlock_t decrypt_compl_lock;
struct sk_buff_head async_hold;
struct wait_queue_head wq;
};