crypto: zlib - New zlib crypto module, using pcomp

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 20 insertions, 0 deletions

diff --git a/include/crypto/compress.h b/include/crypto/compress.h
index b7d228708d6..86163ef2421 100644
--- a/include/crypto/compress.h
+++ b/include/crypto/compress.h
@@ -30,6 +30,26 @@ struct comp_request {
         unsigned int avail_out;         /* bytes available at next_out */
 };
 
+enum zlib_comp_params {
+        ZLIB_COMP_LEVEL = 1,            /* e.g. Z_DEFAULT_COMPRESSION */
+        ZLIB_COMP_METHOD,               /* e.g. Z_DEFLATED */
+        ZLIB_COMP_WINDOWBITS,           /* e.g. MAX_WBITS */
+        ZLIB_COMP_MEMLEVEL,             /* e.g. DEF_MEM_LEVEL */
+        ZLIB_COMP_STRATEGY,             /* e.g. Z_DEFAULT_STRATEGY */
+        __ZLIB_COMP_MAX,
+};
+
+#define ZLIB_COMP_MAX   (__ZLIB_COMP_MAX - 1)
+
+
+enum zlib_decomp_params {
+        ZLIB_DECOMP_WINDOWBITS = 1,     /* e.g. DEF_WBITS */
+        __ZLIB_DECOMP_MAX,
+};
+
+#define ZLIB_DECOMP_MAX (__ZLIB_DECOMP_MAX - 1)
+
+
 struct crypto_pcomp {
         struct crypto_tfm base;
 };