Fix minimum MTU... must be at lest 576

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3674 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-06-06 15:06:08 +00:00
parent 2652e540a5
commit f31872ef24
2 changed files with 3 additions and 2 deletions

View File

@ -209,7 +209,7 @@
#define LPC17_PKTMEM_SIZE (LPC17_EMACRAM_SIZE-LPC17_DESCTAB_SIZE)
#define LPC17_PKTMEM_END (LPC17_EMACRAM_BASE+LPC17_PKTMEM_SIZE)
#define LPC17_MAXPACKET_SIZE ((CONFIG_NET_BUFSIZE + 3 + 2) & ~3)
#define LPC17_MAXPACKET_SIZE ((CONFIG_NET_BUFSIZE + CONFIG_NET_GUARDSIZE + 3) & ~3)
#define LPC17_NTXPKTS CONFIG_NET_NTXDESC
#define LPC17_NRXPKTS CONFIG_NET_NRXDESC

View File

@ -53,6 +53,7 @@
#include <nuttx/mii.h>
#include <net/uip/uip.h>
#include <net/uip/uipopt.h>
#include <net/uip/uip-arp.h>
#include <net/uip/uip-arch.h>
@ -809,7 +810,7 @@ static void lpc17_rxdone(struct lpc17_driver_s *priv)
* imply that the packet is too big.
*/
/* else */ if (pktlen > CONFIG_NET_BUFSIZE+2)
/* else */ if (pktlen > CONFIG_NET_BUFSIZE + CONFIG_NET_GUARDSIZE)
{
nlldbg("Too big. considx: %08x prodidx: %08x pktlen: %d rxstat: %08x\n",
considx, prodidx, pktlen, *rxstat);