diff options
| author | David Howells <dhowells@redhat.com> | 2023-06-06 14:08:54 +0100 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-06-08 13:42:34 +0200 |
| commit | bf63e250c4b1f21696599e0ab7117f4429dcbdc0 (patch) | |
| tree | 18a5adec6b66cff5e5de28655f4f9a1e6d3e68ab /crypto/algif_skcipher.c | |
| parent | 73d7409cfdad7fd08a9203eb2912c1c77e527776 (diff) | |
crypto: af_alg: Support MSG_SPLICE_PAGES
Make AF_ALG sendmsg() support MSG_SPLICE_PAGES. This causes pages to be
spliced from the source iterator.
This allows ->sendpage() to be replaced by something that can handle
multiple multipage folios in a single transaction.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
cc: linux-crypto@vger.kernel.org
cc: netdev@vger.kernel.org
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'crypto/algif_skcipher.c')
| -rw-r--r-- | crypto/algif_skcipher.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index a251cd6bd5b9..b1f321b9f846 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -9,10 +9,10 @@ * The following concept of the memory management is used: * * The kernel maintains two SGLs, the TX SGL and the RX SGL. The TX SGL is - * filled by user space with the data submitted via sendpage/sendmsg. Filling - * up the TX SGL does not cause a crypto operation -- the data will only be - * tracked by the kernel. Upon receipt of one recvmsg call, the caller must - * provide a buffer which is tracked with the RX SGL. + * filled by user space with the data submitted via sendmsg. Filling up the TX + * SGL does not cause a crypto operation -- the data will only be tracked by + * the kernel. Upon receipt of one recvmsg call, the caller must provide a + * buffer which is tracked with the RX SGL. * * During the processing of the recvmsg operation, the cipher request is * allocated and prepared. As part of the recvmsg operation, the processed |