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-rw-r--r--crypto/openssl/crypto/bio/bio.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/bio/bio.h b/crypto/openssl/crypto/bio/bio.h
index ebb42781e6ef..03bd3b28758f 100644
--- a/crypto/openssl/crypto/bio/bio.h
+++ b/crypto/openssl/crypto/bio/bio.h
@@ -145,6 +145,7 @@ extern "C" {
/* #endif */
#define BIO_CTRL_DGRAM_QUERY_MTU 40 /* as kernel for current MTU */
+#define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47
#define BIO_CTRL_DGRAM_GET_MTU 41 /* get cached value for MTU */
#define BIO_CTRL_DGRAM_SET_MTU 42 /* set cached value for
* MTU. want to use this
@@ -321,6 +322,15 @@ DECLARE_STACK_OF(BIO)
typedef struct bio_f_buffer_ctx_struct
{
+ /* Buffers are setup like this:
+ *
+ * <---------------------- size ----------------------->
+ * +---------------------------------------------------+
+ * | consumed | remaining | free space |
+ * +---------------------------------------------------+
+ * <-- off --><------- len ------->
+ */
+
/* BIO *bio; */ /* this is now in the BIO struct */
int ibuf_size; /* how big is the input buffer */
int obuf_size; /* how big is the output buffer */