On Mon, Mar 4, 2024 at 11:46 AM fuyuanli <[email protected]> wrote: > > It is useful to expose skb addr and sock addr to user in tracepoint > tcp_probe, so that we can get more information while monitoring > receiving of tcp data, by ebpf or other ways. > > For example, we need to identify a packet by seq and end_seq when > calculate transmit latency between lay 2 and lay 4 by ebpf, but which is > not available in tcp_probe, so we can only use kprobe hooking > tcp_rcv_esatblised to get them. But we can use tcp_probe directly if skb > addr and sock addr are available, which is more efficient. > > Signed-off-by: fuyuanli <[email protected]> > Link: > https://lore.kernel.org/netdev/20240229052813.GA23899@didi-ThinkCentre-M920t-N000/
Reviewed-by: Jason Xing <[email protected]>
