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crypto: af_alg - Allow to link sgl

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Allow to link af_alg sgls.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tadeusz Struk
2015-03-19 12:31:30 -07:00
committed by David S. Miller
parent 0345f93138
commit 66db37391d
2 changed files with 16 additions and 6 deletions
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4
include/crypto/if_alg.h
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@@ -58,8 +58,9 @@ struct af_alg_type {
};
struct af_alg_sgl {
struct scatterlist sg[ALG_MAX_PAGES];
struct scatterlist sg[ALG_MAX_PAGES + 1];
struct page *pages[ALG_MAX_PAGES];
unsigned int npages;
};
int af_alg_register_type(const struct af_alg_type *type);
@@ -70,6 +71,7 @@ int af_alg_accept(struct sock *sk, struct socket *newsock);
int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len);
void af_alg_free_sg(struct af_alg_sgl *sgl);
void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new);
int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);