diff options
| author |  Amit Cohen <amcohen@nvidia.com>
| 2021-02-07 10:22:51 +0200 |
|---|---|---|
| committer |  David S. Miller <davem@davemloft.net>
| 2021-02-08 16:47:03 -0800 |
| commit | 648106c30a635e18fb55da60d4fcbfca6f6483ac (patch) | |
| tree | 8bf0d51e10d0bcc84786245467b8fa09bb20a271 /net/ipv4 | |
| parent | IPv4: Add "offload failed" indication to routes (diff) | |
| download | linux-648106c30a635e18fb55da60d4fcbfca6f6483ac.tar.gz linux-648106c30a635e18fb55da60d4fcbfca6f6483ac.tar.bz2 linux-648106c30a635e18fb55da60d4fcbfca6f6483ac.zip | |
IPv4: Extend 'fib_notify_on_flag_change' sysctl
Add the value '2' to 'fib_notify_on_flag_change' to allow sending
notifications only for failed route installation.
Separate value is added for such notifications because there are less of
them, so they do not impact performance and some users will find them more
important.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/fib_trie.c | 6 | ||||
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 80147caa9bfd..25cf387cca5b 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1053,6 +1053,12 @@ void fib_alias_hw_flags_set(struct net *net, const struct fib_rt_info *fri) fa_match->offload = fri->offload; fa_match->trap = fri->trap; + + /* 2 means send notifications only if offload_failed was changed. */ + if (net->ipv4.sysctl_fib_notify_on_flag_change == 2 && + fa_match->offload_failed == fri->offload_failed) + goto out; + fa_match->offload_failed = fri->offload_failed; if (!net->ipv4.sysctl_fib_notify_on_flag_change) diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index e5798b3b59d2..f55095d3ed16 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -1361,7 +1361,7 @@ static struct ctl_table ipv4_net_table[] = { .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = SYSCTL_ZERO, - .extra2 = SYSCTL_ONE, + .extra2 = &two, }, { } }; |