diff options
| -rw-r--r-- | trafgen.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -138,6 +138,8 @@ struct icmp_filter { #define SMOKE_N_PROBES 100 +#define PKT_MIN_LEN 14 + static void signal_handler(int number) { switch (number) { @@ -791,10 +793,11 @@ static int xmit_packet_precheck(struct ctx *ctx, unsigned int cpu) } for (mtu = device_mtu(ctx->device), i = 0; i < plen; ++i) { - if (packets[i].len > mtu + 14) + if (packets[i].len > mtu + PKT_MIN_LEN) panic("Device MTU < than packet%d's size!\n", i); - if (packets[i].len <= 14) - panic("Packet%d's size too short!\n", i); + if (packets[i].len <= PKT_MIN_LEN) + panic("Packet%d's size must be > %d bytes!\n", + i, PKT_MIN_LEN); } return 0; |