On Mon, Mar 4, 2024 at 4:46 AM fuyuanli <fuyua...@didiglobal.com> 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
Please use "layer 2 and layer 4". > 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. Okay, but please fix the typo. Correct function name is tcp_rcv_established > > Signed-off-by: fuyuanli <fuyua...@didiglobal.com> > Link: > https://lore.kernel.org/netdev/20240229052813.GA23899@didi-ThinkCentre-M920t-N000/ >
