Typically your driver is going to pass the packet back to lwIP via a function like tcpip_input(...). Look at it just before that, and maybe don't pass it in to lwIP. Marty
________________________________ From: lwip-users-bounces+martypomeroy=novabio....@nongnu.org [mailto:lwip-users-bounces+martypomeroy=novabio....@nongnu.org] On Behalf Of Chen Sent: Tuesday, July 31, 2012 9:49 AM To: lwip-users@nongnu.org Subject: [lwip-users] lwip's lowest level read routine? Hi there, My application requires to tag a small codes to the lowest level of read routine to monitor a private non-standard packet as soon as it arrives (I am using lwip+FreeRTOS+AVR32). preferable at the interrupt that retrieves the data from the PHY: cature the special packet and perform action immediately, but remove it from the queque so that lwip will not waste time on it. Any pointer to such path? Thanks
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