@@ -36,6 +36,7 @@
#include <linux/types.h>
#include <asm/byteorder.h>
+#include <linux/crypto.h>
#include <linux/socket.h>
#include <linux/tcp.h>
#include <net/tcp.h>
@@ -57,6 +58,7 @@
struct tls_sw_context {
struct crypto_aead *aead_send;
+ struct crypto_wait async_wait;
/* Sending context */
char aad_space[TLS_AAD_SPACE_SIZE];
@@ -214,7 +214,11 @@ static int tls_do_encryption(struct tls_context *tls_ctx,
aead_request_set_ad(aead_req, TLS_AAD_SPACE_SIZE);
aead_request_set_crypt(aead_req, ctx->sg_aead_in, ctx->sg_aead_out,
data_len, tls_ctx->iv);
- rc = crypto_aead_encrypt(aead_req);
+
+ aead_request_set_callback(aead_req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ crypto_req_done, &ctx->async_wait);
+
+ rc = crypto_wait_req(crypto_aead_encrypt(aead_req), &ctx->async_wait);
ctx->sg_encrypted_data[0].offset -= tls_ctx->prepend_size;
ctx->sg_encrypted_data[0].length += tls_ctx->prepend_size; @@ -663,6 +667,8 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx)