On 10/11/2017 11:06 PM, David Miller wrote: > From: Ursula Braun <ubraun@xxxxxxxxxxxxxxxxxx> > Date: Tue, 10 Oct 2017 16:14:19 +0200 > >> The goal of this patch is to leave common TCP code unmodified. Thus, >> it uses netfilter hooks to intercept TCP SYN and SYN/ACK >> packets. For outgoing packets originating from SMC sockets, the >> experimental option is added. For inbound packets destined for SMC >> sockets, the experimental option is checked. > > I think this really isn't going to pass. > > It's a user experience nightmare when the kernel inserts and > deletes filtering rules outside of what the user configures > on their system. > > This approach was also considerd for ipv6 ILA, and the same > pushback was given. > > Why not add support for these new options as a normal TCP > socket option based feature? Then normal userspace as well > as the SMC stack can make use of it. > Do you mean a solution like https://www.mail-archive.com/netdev@xxxxxxxxxxxxxxx/msg71321.html https://www.mail-archive.com/netdev@xxxxxxxxxxxxxxx/msg71324.html with a new smc_rendezvous TCP socket option as trigger? -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
