> -----Original Message----- > From: Pravin Shelar [mailto:pshe...@ovn.org] > Sent: Sunday, June 04, 2017 1:58 PM > To: Zhang Shengju <zhangshen...@cmss.chinamobile.com> > Cc: Pravin Shelar <pshe...@nicira.com>; Linux Kernel Network Developers > <netdev@vger.kernel.org>; David S. Miller <da...@davemloft.net> > Subject: Re: [net-next] openvswitch: add macro > MODULE_ALIAS_VPORT_TYPE for vport type alias > > On Sat, Jun 3, 2017 at 6:47 AM, Zhang Shengju > <zhangshen...@cmss.chinamobile.com> wrote: > > Add a new macro MODULE_ALIAS_VPORT_TYPE to unify and simplify the > > declaration of vport type alias, and replace magic numbers with > > symbolic constants. > > > > Signed-off-by: Zhang Shengju <zhangshen...@cmss.chinamobile.com> > > --- > > net/openvswitch/vport-geneve.c | 2 +- > > net/openvswitch/vport-gre.c | 2 +- > > net/openvswitch/vport-vxlan.c | 2 +- > > net/openvswitch/vport.h | 3 +++ > > 4 files changed, 6 insertions(+), 3 deletions(-) > > > > diff --git a/net/openvswitch/vport-geneve.c > > b/net/openvswitch/vport-geneve.c index 5aaf3ba..1c068d6 100644 > > --- a/net/openvswitch/vport-geneve.c > > +++ b/net/openvswitch/vport-geneve.c > > @@ -141,4 +141,4 @@ static void __exit ovs_geneve_tnl_exit(void) > > > > MODULE_DESCRIPTION("OVS: Geneve switching port"); > > MODULE_LICENSE("GPL"); -MODULE_ALIAS("vport-type-5"); > > +MODULE_ALIAS_VPORT_TYPE(OVS_VPORT_TYPE_GENEVE); > > diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c > > index 0e72d95..48a5852 100644 > > --- a/net/openvswitch/vport-gre.c > > +++ b/net/openvswitch/vport-gre.c > > @@ -113,4 +113,4 @@ static void __exit ovs_gre_tnl_exit(void) > > > > MODULE_DESCRIPTION("OVS: GRE switching port"); > > MODULE_LICENSE("GPL"); -MODULE_ALIAS("vport-type-3"); > > +MODULE_ALIAS_VPORT_TYPE(OVS_VPORT_TYPE_GRE); > > This is user visible change. For example this is changing the gre > module alias from "vport-type-3" to "vport-type-OVS_VPORT_TYPE_GRE". > This could break userspace application. Hi Shelar, Actually this change does not change module alias name. I use '__stringify' to address this. Below is my build result: ``` [zhangshengju@promote net-next]$ modinfo net/openvswitch/vport-gre.ko filename: /gitlab/net-next/net/openvswitch/vport-gre.ko alias: vport-type-3 ... ```
BRs, Zhang Shengju