On Mon, Sep 16, 2019 at 3:10 PM Xin Long <lucien....@gmail.com> wrote: > > With this patchset, users can configure options with LWTUNNEL_IP(6)_OPTS > by ip route encap for ersapn or vxlan lwtunnel. Note that in kernel part > it won't parse the option details but do some check and memcpy only, and > the options will be parsed by iproute in userspace. > > We also improve the vxlan and erspan options processing in this patchset. > > As an example I also wrote a patch for iproute2 that I will reply on this > mail, with it we can add options for erspan lwtunnel like: > > # ip net a a; ip net a b > # ip -n a l a eth0 type veth peer name eth0 netns b > # ip -n a l s eth0 up; ip -n b link set eth0 up > # ip -n a a a 10.1.0.1/24 dev eth0; ip -n b a a 10.1.0.2/24 dev eth0 > # ip -n b l a erspan1 type erspan key 1 seq erspan 123 \ > local 10.1.0.2 remote 10.1.0.1 > # ip -n b a a 1.1.1.1/24 dev erspan1; ip -n b l s erspan1 up > # ip -n b r a 2.1.1.0/24 dev erspan1 > # ip -n a l a erspan1 type erspan key 1 seq local 10.1.0.1 external > # ip -n a a a 2.1.1.1/24 dev erspan1; ip -n a l s erspan1 up > # ip -n a r a 1.1.1.0/24 encap ip id 1 erspan ver 1 idx 123 \ > dst 10.1.0.2 dev erspan1 > # ip -n a r s; ip net exec a ping 1.1.1.1 -c 1 the iproute2 patch for testing is as attached.
> > Xin Long (6): > lwtunnel: add options process for arp request > lwtunnel: add LWTUNNEL_IP_OPTS support for lwtunnel_ip > lwtunnel: add LWTUNNEL_IP6_OPTS support for lwtunnel_ip6 > vxlan: check tun_info options_len properly > erspan: fix the tun_info options_len check > erspan: make md work without TUNNEL_ERSPAN_OPT set > > drivers/net/vxlan.c | 6 +++-- > include/uapi/linux/lwtunnel.h | 2 ++ > net/ipv4/ip_gre.c | 31 ++++++++++------------- > net/ipv4/ip_tunnel_core.c | 59 > +++++++++++++++++++++++++++++++++---------- > net/ipv6/ip6_gre.c | 35 +++++++++++++------------ > 5 files changed, 84 insertions(+), 49 deletions(-) > > -- > 2.1.0 >
0001-iproute_lwtunnel-add-support-options-for-erspan-meta.patch
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