Hi all, Obviously, current mvneta driver can't work on 64bit platforms. For one thing the BM feature should be explicitly disabled, I just sent out one patch for this purpose.
What's more, the buf_cookie in mvneta_rx_desc need to be carefully considered. The driver use the buf_cookie(u32 type) to store the buffer virtual address, obviously it can't store the virtual address on 64bit platforms. I have two solutions: solution A: let one reserved type in current mvneta_rx_desc, e.g reserved5 to store the high 32bit virt address, and hack code as the following: #ifdef CONFIG_64BIT rx_desc->reserved5 = high32(data); #endif solution B: add one member void **buf_virt_ptrs in mvneta_rx_queue, and point all buf_cookie usage to the according buf_virt_ptrs[i] Is there any elegant solutions? Thanks, Jisheng