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Bugfix: don't send packets if they are shorter than the link layer header length

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This commit is contained in:
adamdunkels 2010-04-05 21:05:56 +00:00
parent e06a30fdb0
commit d9d3f7b6b5
1 changed files with 12 additions and 10 deletions
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20
tools/sky/uip6-bridge/sicslow_ethernet.c
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@ -279,18 +279,20 @@ void mac_ethernetToLowpan(uint8_t * ethHeader)
} }
//Remove header from length before passing onward //Remove header from length before passing onward
uip_len -= UIP_LLH_LEN; if(uip_len > UIP_LLH_LEN) {
uip_len -= UIP_LLH_LEN;
//Some IP packets have link layer in them, need to change them around! //Some IP packets have link layer in them, need to change them around!
if (usbstick_mode.translate) { if (usbstick_mode.translate) {
/* uint8_t transReturn = */ /* uint8_t transReturn = */
mac_translateIPLinkLayer(ll_802154_type); mac_translateIPLinkLayer(ll_802154_type);
PRINTF("IPTranslation: returns %d\n", transReturn); PRINTF("IPTranslation: returns %d\n", transReturn);
} }
if (usbstick_mode.sendToRf){ if (usbstick_mode.sendToRf){
tcpip_output(destAddrPtr); tcpip_output(destAddrPtr);
/* rndis_stat.txok++; */ /* rndis_stat.txok++; */
}
} }
uip_len = 0; uip_len = 0;