bio: Linux TLS Offload

[oweals/openssl.git] / include / internal / bio.h

diff --git a/include/internal/bio.h b/include/internal/bio.h
index e1251f6aaf69f0d6cd0dc0bf53cea46ad83cb739..1e80d5ac68214c187d6e252de644a319d02ff930 100644 (file)
--- a/include/internal/bio.h
+++ b/include/internal/bio.h
@@ -7,6 +7,9 @@
  * https://www.openssl.org/source/license.html
  */
 
+#ifndef HEADER_INTERNAL_BIO_H
+# define HEADER_INTERNAL_BIO_H
+
 #include <openssl/bio.h>
 
 struct bio_method_st {
@@ -31,3 +34,36 @@ void bio_cleanup(void);
 /* Old style to new style BIO_METHOD conversion functions */
 int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written);
 int bread_conv(BIO *bio, char *data, size_t datal, size_t *read);
+
+# define BIO_CTRL_SET_KTLS_SEND                 72
+# define BIO_CTRL_SET_KTLS_SEND_CTRL_MSG        74
+# define BIO_CTRL_CLEAR_KTLS_CTRL_MSG      75
+
+/*
+ * This is used with socket BIOs:
+ * BIO_FLAGS_KTLS means we are using ktls with this BIO.
+ * BIO_FLAGS_KTLS_CTRL_MSG means we are about to send a ctrl message next.
+ */
+# define BIO_FLAGS_KTLS          0x800
+# define BIO_FLAGS_KTLS_CTRL_MSG 0x1000
+
+/* KTLS related controls and flags */
+# define BIO_set_ktls_flag(b) \
+    BIO_set_flags(b, BIO_FLAGS_KTLS)
+# define BIO_should_ktls_flag(b) \
+    BIO_test_flags(b, BIO_FLAGS_KTLS)
+# define BIO_set_ktls_ctrl_msg_flag(b) \
+    BIO_set_flags(b, BIO_FLAGS_KTLS_CTRL_MSG)
+# define BIO_should_ktls_ctrl_msg_flag(b) \
+    BIO_test_flags(b, (BIO_FLAGS_KTLS_CTRL_MSG))
+# define BIO_clear_ktls_ctrl_msg_flag(b) \
+    BIO_clear_flags(b, (BIO_FLAGS_KTLS_CTRL_MSG))
+
+#  define BIO_set_ktls(b, keyblob, is_tx)   \
+     BIO_ctrl(b, BIO_CTRL_SET_KTLS_SEND, is_tx, keyblob)
+#  define BIO_set_ktls_ctrl_msg(b, record_type)   \
+     BIO_ctrl(b, BIO_CTRL_SET_KTLS_SEND_CTRL_MSG, record_type, NULL)
+#  define BIO_clear_ktls_ctrl_msg(b) \
+     BIO_ctrl(b, BIO_CTRL_CLEAR_KTLS_CTRL_MSG, 0, NULL)
+
+#endif