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-rw-r--r--crypto/bio/bio.h1
-rw-r--r--crypto/bio/bss_dgram.c21
2 files changed, 0 insertions, 22 deletions
diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
index 03bd3b2875..6b2daa1f10 100644
--- a/crypto/bio/bio.h
+++ b/crypto/bio/bio.h
@@ -145,7 +145,6 @@ 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
diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index 437a050004..bfbcf9b5f8 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -494,27 +494,6 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
ret = 0;
#endif
break;
- case BIO_CTRL_DGRAM_GET_FALLBACK_MTU:
- switch (data->peer.sa.sa_family)
- {
- case AF_INET:
- ret = 576 - 20 - 8;
- break;
-#if OPENSSL_USE_IPV6
- case AF_INET6:
-#ifdef IN6_IS_ADDR_V4MAPPED
- if (IN6_IS_ADDR_V4MAPPED(&data->peer.sa_in6.sin6_addr))
- ret = 576 - 20 - 8;
- else
-#endif
- ret = 1280 - 40 - 8;
- break;
-#endif
- default:
- ret = 576 - 20 - 8;
- break;
- }
- break;
case BIO_CTRL_DGRAM_GET_MTU:
return data->mtu;
break;