rp-pppoe: allow MTU to be increased up to 1500

[ppp.git] / pppd / plugins / rp-pppoe / pppoe-discovery.c

diff --git a/pppd/plugins/rp-pppoe/pppoe-discovery.c b/pppd/plugins/rp-pppoe/pppoe-discovery.c
index 318f8583f98b246d99482330e7e33e3429c3f416..3d3bf4eecc816c59aad3aee24b94944150593147 100644 (file)
--- a/pppd/plugins/rp-pppoe/pppoe-discovery.c
+++ b/pppd/plugins/rp-pppoe/pppoe-discovery.c
@@ -277,7 +277,7 @@ parsePacket(PPPoEPacket *packet, ParseFunc *func, void *extra)
     }
 
     /* Do some sanity checks on packet */
-    if (len > ETH_DATA_LEN - 6) { /* 6-byte overhead for PPPoE header */
+    if (len > ETH_JUMBO_LEN - PPPOE_OVERHEAD) { /* 6-byte overhead for PPPoE header */
        fprintf(stderr, "Invalid PPPoE packet length (%u)\n", len);
        return -1;
     }