Hi, One more addition, on further analysis i can see packet is been received by my underlying hardware (DPAA/PCIe) 6 times (default retry count).
Please let me know how can I check at what stage packet is been discarded by uefi framework. Thanks, Meenakshi -----Original Message----- From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Meenakshi Aggarwal Sent: Thursday, July 13, 2017 11:58 AM To: edk2-devel@lists.01.org Subject: [edk2] TFTP failed with large blocksize [This sender failed our fraud detection checks and may not be who they appear to be. Learn about spoofing at http://aka.ms/LearnAboutSpoofing] Hi All, I am working on an ARM based SoC (AARCH64). When I perform tftp form UEFI shell with blocksize 1024 then it succeeds for filesize (~500MB) Tftp -s 1024 iI eth3 192.168.3.161 Image But if I give blocksize greater than 1024 says 9000 then it results in timeout. Tftp -s 9000 -i eth3 192.168.3.161 Image This blocksize of 9000 works fine for small sized files like 34MB. I tried to analyze the tcpdump on tftp server side and it shows server didn't receive ACK for the packet it sent. I checked the function which is sending ACK (Mtftp4RrqInput-> Mtftp4RrqHandleData (send Ack)), control didn't come here for the last(last sent packet for which ACK not received by server) packet. Now I am wondering if Packet is been received by client or not. Also UEFI spec mentioned that if you face packet drop then try calling poll function from your device. I am not able to understand how I can do this? Also how I can change the polling period? Please provide some debug points on same. Thanks, Meenakshi _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
