crypto: chcr - Add ctr mode and process large sg entries for cipher

[linux-2.6-block.git] / drivers / crypto / chelsio / chcr_algo.h

diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h
index 9894c7b4d76494b0b69cc1524ed99bbce146175d..583008de51a3913d1655bff6e309c25bdd5f0736 100644 (file)
--- a/drivers/crypto/chelsio/chcr_algo.h
+++ b/drivers/crypto/chelsio/chcr_algo.h
@@ -219,9 +219,26 @@
 #define MAX_NK 8
 #define CRYPTO_MAX_IMM_TX_PKT_LEN 256
 #define MAX_WR_SIZE                    512
+#define ROUND_16(bytes)                ((bytes) & 0xFFFFFFF0)
+#define MAX_DSGL_ENT                   32
+#define MAX_DIGEST_SKB_SGE     (MAX_SKB_FRAGS - 2)
+#define MIN_CIPHER_SG                  1 /* IV */
 #define MIN_AUTH_SG                    2 /*IV + AAD*/
 #define MIN_GCM_SG                     2 /* IV + AAD*/
+#define MIN_DIGEST_SG                  1 /*Partial Buffer*/
 #define MIN_CCM_SG                     3 /*IV+AAD+B0*/
+#define SPACE_LEFT(len) \
+       ((MAX_WR_SIZE - WR_MIN_LEN - (len)))
+
+unsigned int sgl_ent_len[] = {0, 0, 16, 24, 40,
+                               48, 64, 72, 88,
+                               96, 112, 120, 136,
+                               144, 160, 168, 184,
+                               192};
+unsigned int dsgl_ent_len[] = {0, 32, 32, 48, 48, 64, 64, 80, 80,
+                               112, 112, 128, 128, 144, 144, 160, 160,
+                               192, 192, 208, 208, 224, 224, 240, 240,
+                               272, 272, 288, 288, 304, 304, 320, 320};
 
 struct algo_param {
        unsigned int auth_mode;
@@ -239,6 +256,14 @@ struct hash_wr_param {
        u64 scmd1;
 };
 
+struct cipher_wr_param {
+       struct ablkcipher_request *req;
+       struct scatterlist *srcsg;
+       char *iv;
+       int bytes;
+       short int snent;
+       unsigned short qid;
+};
 enum {
        AES_KEYLENGTH_128BIT = 128,
        AES_KEYLENGTH_192BIT = 192,
@@ -293,7 +318,6 @@ struct phys_sge_parm {
        unsigned int nents;
        unsigned int obsize;
        unsigned short qid;
-       unsigned char align;
 };
 
 struct crypto_result {