> -----Original Message----- > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > Sent: Friday, October 17, 2014 3:40 PM > To: Liu, Jijiang > Cc: dev at dpdk.org > Subject: Re: [dpdk-dev] [PATCH v5 2/8]i40e:support VxLAN packet > identification in librte_pmd_i40e > > 2014-10-17 05:58, Liu, Jijiang: > > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > > > 2014-10-11 13:55, Jijiang Liu: > > > > # > > > > +# Compile tunneling UDP port support # > > > > +CONFIG_RTE_LIBRTE_TUNNEL_UDP_PORT=4789 > > > > + > > > > +# > > > > > > 1) this option is not to "Compile tunneling UDP port support" > > Change the comment as "tunneling UDP default port configuration" > > > 2) why is it a compile time option? should it be an API parameter or > > > a runtime option? > > > > In terms of VxLAN, "IANA has assigned the value 4789 for the VXLAN UDP > > port, and this value SHOULD be used by default as the destination UDP > port. > > Some early implementations of VXLAN have used other values for the > > destination port. To enable interoperability with these > > implementations, the destination port SHOULD be configurable." > > Please, do not consider a compile time option like "configurable". > There are some cases where the user cannot or don't want to rebuild DPDK. > > > I have provided a API to configure UDP port. > > OK, good. > > > But a default UDP port number is needed where PF startup if current > > mode is VxLAN mode. > > Sorry, I don't understand this part. > Why are you adding a default tunnel when initializing? > Is it not enough to allow adding new tunnels with custom port?
Ok, I will remove this default UDP port configuration, just allow to use API to add/remove UDP port number. > -- > Thomas