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crypto: Add a report function pointer to crypto_type

We add a report function pointer to struct crypto_type. This function
pointer is used from the crypto userspace configuration API to report
crypto algorithms to userspace.

Signed-off-by: Steffen Klassert <>
Signed-off-by: Herbert Xu <>
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commit b6aa63c09ba3b150a1030f9c95c7647361e7910e 1 parent a38f790
Steffen Klassert authored herbertx committed
Showing with 7 additions and 0 deletions.
  1. +5 −0 crypto/crypto_user.c
  2. +2 −0  include/crypto/algapi.h
5 crypto/crypto_user.c
@@ -84,6 +84,11 @@ static int crypto_report_one(struct crypto_alg *alg,
NLA_PUT_U32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority);
+ if (alg->cra_type && alg->cra_type->report) {
+ if (alg->cra_type->report(skb, alg))
+ goto nla_put_failure;
+ }
return 0;
2  include/crypto/algapi.h
@@ -15,6 +15,7 @@
#include <linux/crypto.h>
#include <linux/list.h>
#include <linux/kernel.h>
+#include <linux/skbuff.h>
struct module;
struct rtattr;
@@ -26,6 +27,7 @@ struct crypto_type {
int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
int (*init_tfm)(struct crypto_tfm *tfm);
void (*show)(struct seq_file *m, struct crypto_alg *alg);
+ int (*report)(struct sk_buff *skb, struct crypto_alg *alg);
struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask);
unsigned int type;
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