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4896 Performance improvements for KCF AES modes
*** 20,29 ****
--- 20,32 ----
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
+ /*
+ * Copyright 2015 by Saso Kiselkov. All rights reserved.
+ */
#ifndef _KERNEL
#include <stdlib.h>
#endif
*** 76,173 ****
}
} /* end switch */
}
- /*
- * Get pointers for where in the output to copy a block of encrypted or
- * decrypted data. The iov_or_mp argument stores a pointer to the current
- * iovec or mp, and offset stores an offset into the current iovec or mp.
- */
void
- crypto_get_ptrs(crypto_data_t *out, void **iov_or_mp, offset_t *current_offset,
- uint8_t **out_data_1, size_t *out_data_1_len, uint8_t **out_data_2,
- size_t amt)
- {
- offset_t offset;
-
- switch (out->cd_format) {
- case CRYPTO_DATA_RAW: {
- iovec_t *iov;
-
- offset = *current_offset;
- iov = &out->cd_raw;
- if ((offset + amt) <= iov->iov_len) {
- /* one block fits */
- *out_data_1 = (uint8_t *)iov->iov_base + offset;
- *out_data_1_len = amt;
- *out_data_2 = NULL;
- *current_offset = offset + amt;
- }
- break;
- }
-
- case CRYPTO_DATA_UIO: {
- uio_t *uio = out->cd_uio;
- iovec_t *iov;
- offset_t offset;
- uintptr_t vec_idx;
- uint8_t *p;
-
- offset = *current_offset;
- vec_idx = (uintptr_t)(*iov_or_mp);
- iov = &uio->uio_iov[vec_idx];
- p = (uint8_t *)iov->iov_base + offset;
- *out_data_1 = p;
-
- if (offset + amt <= iov->iov_len) {
- /* can fit one block into this iov */
- *out_data_1_len = amt;
- *out_data_2 = NULL;
- *current_offset = offset + amt;
- } else {
- /* one block spans two iovecs */
- *out_data_1_len = iov->iov_len - offset;
- if (vec_idx == uio->uio_iovcnt)
- return;
- vec_idx++;
- iov = &uio->uio_iov[vec_idx];
- *out_data_2 = (uint8_t *)iov->iov_base;
- *current_offset = amt - *out_data_1_len;
- }
- *iov_or_mp = (void *)vec_idx;
- break;
- }
-
- case CRYPTO_DATA_MBLK: {
- mblk_t *mp;
- uint8_t *p;
-
- offset = *current_offset;
- mp = (mblk_t *)*iov_or_mp;
- p = mp->b_rptr + offset;
- *out_data_1 = p;
- if ((p + amt) <= mp->b_wptr) {
- /* can fit one block into this mblk */
- *out_data_1_len = amt;
- *out_data_2 = NULL;
- *current_offset = offset + amt;
- } else {
- /* one block spans two mblks */
- *out_data_1_len = _PTRDIFF(mp->b_wptr, p);
- if ((mp = mp->b_cont) == NULL)
- return;
- *out_data_2 = mp->b_rptr;
- *current_offset = (amt - *out_data_1_len);
- }
- *iov_or_mp = mp;
- break;
- }
- } /* end switch */
- }
-
- void
crypto_free_mode_ctx(void *ctx)
{
common_ctx_t *common_ctx = (common_ctx_t *)ctx;
switch (common_ctx->cc_flags &
--- 79,89 ----
*** 211,227 ****
break;
case GCM_MODE:
case GMAC_MODE:
#ifdef _KERNEL
- if (((gcm_ctx_t *)ctx)->gcm_pt_buf != NULL)
- kmem_free(((gcm_ctx_t *)ctx)->gcm_pt_buf,
- ((gcm_ctx_t *)ctx)->gcm_pt_buf_len);
-
kmem_free(ctx, sizeof (gcm_ctx_t));
#else
- if (((gcm_ctx_t *)ctx)->gcm_pt_buf != NULL)
- free(((gcm_ctx_t *)ctx)->gcm_pt_buf);
free(ctx);
#endif
}
}
--- 127,137 ----