[PATCH] networking: Increase _SYS_MBUF_LEGACY_MSIZE to 256 to match FreeBSD

[heshamelmatary at gmail.com]

From: Hesham Almatary <Hesham.Almatary at cl.cam.ac.uk>

This commit fixes some run-time errors on 64-bit architectures (e.g., riscv64)
in which the tcp header size would overflow 128 bytes.

---
 cpukit/libnetworking/sys/mbuf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpukit/libnetworking/sys/mbuf.h b/cpukit/libnetworking/sys/mbuf.h
index c54b760b3..ef1641a91 100644
--- a/cpukit/libnetworking/sys/mbuf.h
+++ b/cpukit/libnetworking/sys/mbuf.h
@@ -46,7 +46,7 @@
  * at least MINCLSIZE of data must be stored.
  */
 
-#define	_SYS_MBUF_LEGACY_MSIZE 128
+#define	_SYS_MBUF_LEGACY_MSIZE 256
 #define	MLEN		(_SYS_MBUF_LEGACY_MSIZE - sizeof(struct m_hdr))	/* normal data len */
 #define	MHLEN		(MLEN - sizeof(struct pkthdr))	/* data len w/pkthdr */
 #define	MINCLSIZE	(MHLEN + MLEN)	/* smallest amount to put in cluster */
-- 
2.25.1