On Thu, Oct 8, 2015 at 2:44 AM, yzhu1 <yanjun....@windriver.com> wrote: > Hi, Miller > > Would you like to check this patch?
I explained to you way back in June what some of the biggest oversights were, here with your work. And you have changed nothing but yet expect a reply from maintainers who are extremely busy, simply by resending the same old patch over and over. Do you not see why this approach will not work? Paul. -- > > Thanks a lot. > Zhu Yanjun > > On 06/26/2015 05:37 PM, Zhu Yanjun wrote: >> >> The new net namespace can inherit from the original net config, or >> the current net config. As such, a config is needed to decide where >> the new namespace inherit from. >> >> Signed-off-by: Zhu Yanjun <yanjun....@windriver.com> >> --- >> init/Kconfig | 9 +++++++++ >> net/ipv4/devinet.c | 13 +++++++++++++ >> 2 files changed, 22 insertions(+) >> >> diff --git a/init/Kconfig b/init/Kconfig >> index dc24dec..fab8c41 100644 >> --- a/init/Kconfig >> +++ b/init/Kconfig >> @@ -1212,6 +1212,15 @@ config NET_NS >> Allow user space to create what appear to be multiple instances >> of the network stack. >> +config NET_NS_INHERIT_ORIGINAL >> + bool "New network namespace inherits from original net config" >> + depends on NET_NS >> + default n >> + help >> + Allow new network namespace inherit from original net config. >> + If no, the new network namespace inherits from the current net >> + config including the modified net config. >> + >> endif # NAMESPACES >> config SCHED_AUTOGROUP >> diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c >> index 419d23c..cf635e4 100644 >> --- a/net/ipv4/devinet.c >> +++ b/net/ipv4/devinet.c >> @@ -2271,6 +2271,7 @@ static __net_init int devinet_init_net(struct net >> *net) >> #endif >> err = -ENOMEM; >> +#ifndef CONFIG_NET_NS_INHERIT_ORIGINAL >> all = &ipv4_devconf; >> dflt = &ipv4_devconf_dflt; >> @@ -2282,6 +2283,15 @@ static __net_init int devinet_init_net(struct net >> *net) >> dflt = kmemdup(dflt, sizeof(ipv4_devconf_dflt), >> GFP_KERNEL); >> if (!dflt) >> goto err_alloc_dflt; >> +#else >> + all = kmemdup(&ipv4_devconf, sizeof(ipv4_devconf), GFP_KERNEL); >> + if (!all) >> + goto err_alloc_all; >> + >> + dflt = kmemdup(&ipv4_devconf_dflt, sizeof(ipv4_devconf_dflt), >> GFP_KERNEL); >> + if (!dflt) >> + goto err_alloc_dflt; >> +#endif >> #ifdef CONFIG_SYSCTL >> tbl = kmemdup(tbl, sizeof(ctl_forward_entry), GFP_KERNEL); >> @@ -2292,7 +2302,10 @@ static __net_init int devinet_init_net(struct net >> *net) >> tbl[0].extra1 = all; >> tbl[0].extra2 = net; >> #endif >> + >> +#ifndef CONFIG_NET_NS_INHERIT_ORIGINAL >> } >> +#endif >> #ifdef CONFIG_SYSCTL >> err = __devinet_sysctl_register(net, "all", all); > > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
