diff options
| -rw-r--r-- | bsp/simulator/pcap/pcap_netif.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/bsp/simulator/pcap/pcap_netif.c b/bsp/simulator/pcap/pcap_netif.c index 0ac00e4b1e..dff7cec583 100644 --- a/bsp/simulator/pcap/pcap_netif.c +++ b/bsp/simulator/pcap/pcap_netif.c @@ -26,6 +26,10 @@ #include <rtthread.h> #include <netif/ethernetif.h> +#define DBG_TAG "pcap.netif" +#define DBG_LVL DBG_INFO +#include <rtdbg.h> + #define MAX_ADDR_LEN 6 #define NETIF_DEVICE(netif) ((struct pcap_netif*)(netif)) @@ -203,6 +207,14 @@ rt_err_t pcap_netif_tx( rt_device_t dev, struct pbuf* p) /* lock EMAC device */ rt_sem_take(&sem_lock, RT_WAITING_FOREVER); + /* check if the total length of pbuf exceeds the size of buf */ + if(p->tot_len > 2048) + { + LOG_E("Sending the packet: send data exceed max len 2048!"); + rt_sem_release(&sem_lock); + return -RT_ERROR; + } + /* copy data to tx buffer */ q = p; ptr = (rt_uint8_t*)buf; @@ -219,7 +231,7 @@ rt_err_t pcap_netif_tx( rt_device_t dev, struct pbuf* p) if (res != 0) { - rt_kprintf("Error sending the packet: \n", pcap_geterr(tap)); + LOG_E("Sending the packet: %s", pcap_geterr(tap)); result = -RT_ERROR; } |