On Thu, 10 Feb 2022 21:42:14 +0800 Menglong Dong wrote: > How about introducing a field to 'struct sock' for drop reasons? As sk is > locked during the packet process in tcp_v4_do_rcv(), this seems to work. I find adding temporary storage to persistent data structures awkward. You can put a structure on the stack and pass it thru the call chain, that's just my subjective preference, tho, others may have better ideas.
