On Mon, 6 Jul 2020 at 17:32, Xin Long lucien.xin@gmail.com wrote:
Similar to IPIP tunnel's processing, this patch is to support IP6IP6 tunnel processing with .cb_handler.
v1->v2:
- no change.
v2-v3:
- enable it only when CONFIG_INET6_XFRM_TUNNEL is defined, to fix the build error, reported by kbuild test robot.
Signed-off-by: Xin Long lucien.xin@gmail.com
net/ipv6/ip6_vti.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 1147f64..39efe41 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -1218,6 +1218,26 @@ static struct xfrm6_protocol vti_ipcomp6_protocol __read_mostly = { .priority = 100, };
+#if IS_ENABLED(CONFIG_INET6_XFRM_TUNNEL) +static int vti6_rcv_tunnel(struct sk_buff *skb) +{
const xfrm_address_t *saddr;__be32 spi;saddr = (const xfrm_address_t *)&ipv6_hdr(skb)->saddr;spi = xfrm6_tunnel_spi_lookup(dev_net(skb->dev), saddr);
arm build failed due this error on linux-next 20200713 and 20200713 15:51:27 | net/ipv6/ip6_vti.o: In function `vti6_rcv_tunnel': 15:51:27 | ip6_vti.c:(.text+0x1d20): undefined reference to `xfrm6_tunnel_spi_lookup'
ref: https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft...
config link, http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/am57xx-evm/lkft/linu...