Strange, a broadcast address as source ? Just for my information, which protocol need/use that ?
==================================== Frédéric BERNON HYMATOM SA Chef de projet informatique Microsoft Certified Professional Tél. : +33 (0)4-67-87-61-10 Fax. : +33 (0)4-67-70-85-44 Email : [EMAIL PROTECTED] Web Site : http://www.hymatom.fr ==================================== P Avant d'imprimer, penser à l'environnement -----Message d'origine----- De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Nicolas Pinault Envoyé : mardi 18 décembre 2007 08:50 À : Mailing list for lwIP users Objet : Re: RE : [lwip-users] Source MAC address Hi, Frédéric BERNON a écrit : > Hi, > > I think you could use etharp_find_addr to read the ARP table : > > Sorry but I can't since sometimes source IP address is broadcast (255.255.255.255). Nicolas > s > /** > * Finds (stable) ethernet/IP address pair from ARP table > * using interface and IP address index. > * @note the addresses in the ARP table are in network order! > * > * @param netif points to interface index > * @param ipaddr points to the (network order) IP address index > * @param eth_ret points to return pointer > * @param ip_ret points to return pointer > * @return table index if found, -1 otherwise > */ > s8_t etharp_find_addr(struct netif *netif, struct ip_addr *ipaddr, > struct eth_addr **eth_ret, struct ip_addr **ip_ret); > > > > ==================================== > Frédéric BERNON > HYMATOM SA > Chef de projet informatique > Microsoft Certified Professional > Tél. : +33 (0)4-67-87-61-10 > Fax. : +33 (0)4-67-70-85-44 > Email : [EMAIL PROTECTED] > Web Site : http://www.hymatom.fr > ==================================== > P Avant d'imprimer, penser à l'environnement > > > > -----Message d'origine----- > De : [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] De > la part de Nicolas Pinault Envoyé : lundi 17 décembre 2007 17:00 À : > Mailing list for lwIP users Objet : [lwip-users] Source MAC address > > > Hi all, > > My system uses non connected sockets (UDP) to get data from other > machines. Some packets are received thru broadcast address > (255.255.255.255). > In the thread wich manages the rx socket, I'd like to know the sender > MAC address. I allready have the sender IP address but that is not what > I want. > It seems it is not posible to get this information without a big > modification of lwip. > I am wrong ? > > Nicolas > > > _______________________________________________ > lwip-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/lwip-users > > _______________________________________________ > lwip-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/lwip-users _______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
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