tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: b6cd4b5895848968e8fee93fc5e3dc8babc40b9e commit: 6e617de84e87d626d1e976fc30e1322239fd4d2d [42/46] net: avoid a full fib lookup when rp_filter is disabled. config: x86_64-kexec (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 6e617de84e87d626d1e976fc30e1322239fd4d2d # save the attached .config to linux build tree make ARCH=x86_64
All errors (new ones prefixed by >>):
net/ipv4/fib_frontend.c: In function 'fib_validate_source':
>> net/ipv4/fib_frontend.c:411:16: error: 'struct netns_ipv4' has no member
>> named 'fib_has_custom_local_routes'
if (net->ipv4.fib_has_custom_local_routes)
^
net/ipv4/fib_frontend.c: In function 'inet_rtm_newroute':
net/ipv4/fib_frontend.c:773:12: error: 'struct netns_ipv4' has no member
named 'fib_has_custom_local_routes'
net->ipv4.fib_has_custom_local_routes = true;
^
vim +411 net/ipv4/fib_frontend.c
395
396 /* Ignore rp_filter for packets protected by IPsec. */
397 int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
398 u8 tos, int oif, struct net_device *dev,
399 struct in_device *idev, u32 *itag)
400 {
401 int r = secpath_exists(skb) ? 0 : IN_DEV_RPFILTER(idev);
402 struct net *net = dev_net(dev);
403
404 if (!r && !fib_num_tclassid_users(net) &&
405 (dev->ifindex != oif || !IN_DEV_TX_REDIRECTS(idev))) {
406 if (IN_DEV_ACCEPT_LOCAL(idev))
407 goto ok;
408 /* if no local routes are added from user space we can
check
409 * for local addresses looking-up the ifaddr table
410 */
> 411 if (net->ipv4.fib_has_custom_local_routes)
412 goto full_check;
413 if (inet_lookup_ifaddr_rcu(net, src))
414 return -EINVAL;
415
416 ok:
417 *itag = 0;
418 return 0;
419 }
420
421 full_check:
422 return __fib_validate_source(skb, src, dst, tos, oif, dev, r,
idev, itag);
423 }
424
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
