On 2024/12/9 17:46, Halil Pasic wrote: > On Mon, 9 Dec 2024 09:49:23 +0100 > Wenjia Zhang <wenjia@xxxxxxxxxxxxx> wrote: > >>> Otherwise, the code below is reasonable. >>> if (!(ini->smcr_version & SMC_V2) || >>> +#if IS_ENABLED(CONFIG_IPV6) >>> + (smc->clcsock->sk->sk_family == AF_INET6 && >>> + !ipv6_addr_v4mapped(&smc->clcsock->sk->sk_v6_rcv_saddr)) || >>> +#endif >>> !smc_clc_ueid_count() || >>> smc_find_rdma_device(smc, ini)) >>> ini->smcr_version &= ~SMC_V2; >>> >> Ok, I got your point, a socket with an address family other than AF_INET >> and AF_INET6 is already pre-filtered, so that such extra condition >> checking for the smc->clcsock->sk->sk_family != AF_INET is not >> necessary, right? >> >> Would you like to send a new version? And feel free to use this in the >> new version: >> >> Reviewed-by: Wenjia Zhang <wenjia@xxxxxxxxxxxxx> > > I believe we would like to have a v3 here. Also I'm not sure > checking on saddr is sufficient, but I didn't do my research on > that question yet. > > Regards, > Halil Did you mean to research whether the daddr should be checked too? Thanks, Guangguan Wang