On 11/16/2012 01:53 PM, David Miller wrote:> From: Jesse Gross 
<je...@nicira.com>
> Date: Fri, 16 Nov 2012 10:46:17 -0800
> 
>> I guess the simplest thing to do seems to just make Open vSwitch
>> depend on CONFIG_INET seeing as it is practically useless without
>> upper layer protocol support anyways.
> 
> The reason we have the ipv6 extension header parsing in a seperate,
> always compiled statically into the kernel, module is exactly for
> situations like this.
> 
> We need to think seriously if we want to go down this road of only
> using INET as protection for every module that has some kind of ipv6
> component to it.

Ok.  How about this approach instead.  This keeps core functions we need
still dependent on CONFIG_NET and makes new GSO stuff depend on CONFIG_INET
since its quite useless without CONFIG_INET anyway...

-vlad

-- >8 --

Subject: [PATCH] ipv6: Preserve ipv6 functionality needed by NET

Some pieces of network use core pieces of IPv6 stack.  Keep
them available while letting new GSO offload pieces depend
on CONFIG_INET.

Signed-off-by: Vlad Yasevich <vyase...@redhat.com>
---
 net/Makefile      |    2 +-
 net/ipv6/Makefile |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/Makefile b/net/Makefile
index e050d9d..4f4ee08 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -19,7 +19,7 @@ obj-$(CONFIG_NETFILTER)               += netfilter/
 obj-$(CONFIG_INET)             += ipv4/
 obj-$(CONFIG_XFRM)             += xfrm/
 obj-$(CONFIG_UNIX)             += unix/
-obj-$(CONFIG_INET)             += ipv6/
+obj-$(CONFIG_NET)              += ipv6/
 obj-$(CONFIG_PACKET)           += packet/
 obj-$(CONFIG_NET_KEY)          += key/
 obj-$(CONFIG_BRIDGE)           += bridge/
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 04a475d..2068ac4 100644
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
@@ -40,7 +40,7 @@ obj-$(CONFIG_IPV6_SIT) += sit.o
 obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel.o
 obj-$(CONFIG_IPV6_GRE) += ip6_gre.o
 
-obj-y += addrconf_core.o exthdrs_core.o output_core.o protocol.o
-obj-y += $(ipv6-offload)
+obj-y += addrconf_core.o exthdrs_core.o
+obj-$(CONFIG_INET) += output_core.o protocol.o $(ipv6_offload)
 
 obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_hashtables.o
-- 
1.7.7.6

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