diff options
Diffstat (limited to 'include/uapi/linux/if_alg.h')
| -rw-r--r-- | include/uapi/linux/if_alg.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/uapi/linux/if_alg.h b/include/uapi/linux/if_alg.h index bc2bcdec377b..578b18aab821 100644 --- a/include/uapi/linux/if_alg.h +++ b/include/uapi/linux/if_alg.h @@ -24,9 +24,25 @@ struct sockaddr_alg { __u8 salg_name[64]; }; +/* + * Linux v4.12 and later removed the 64-byte limit on salg_name[]; it's now an + * arbitrary-length field. We had to keep the original struct above for source + * compatibility with existing userspace programs, though. Use the new struct + * below if support for very long algorithm names is needed. To do this, + * allocate 'sizeof(struct sockaddr_alg_new) + strlen(algname) + 1' bytes, and + * copy algname (including the null terminator) into salg_name. + */ +struct sockaddr_alg_new { + __u16 salg_family; + __u8 salg_type[14]; + __u32 salg_feat; + __u32 salg_mask; + __u8 salg_name[]; +}; + struct af_alg_iv { __u32 ivlen; - __u8 iv[0]; + __u8 iv[]; }; /* Socket options */ @@ -35,6 +51,7 @@ struct af_alg_iv { #define ALG_SET_OP 3 #define ALG_SET_AEAD_ASSOCLEN 4 #define ALG_SET_AEAD_AUTHSIZE 5 +#define ALG_SET_DRBG_ENTROPY 6 /* Operations */ #define ALG_OP_DECRYPT 0 |