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| author | Hans Dedecker <dedeckeh@gmail.com> | 2019-05-08 21:33:05 +0200 |
|---|---|---|
| committer | Hans Dedecker <dedeckeh@gmail.com> | 2019-05-08 21:41:42 +0200 |
| commit | f6fb70005a52bb6bd6affd0fdc664664339a616b (patch) | |
| tree | 8b6a2c380a9c51ef3ae2f437c0b6f4e871116374 /interface-ip.c | |
| parent | 975a5c42f880f65dba31d10d5e933529e56c5b2f (diff) | |
| download | netifd-f6fb70005a52bb6bd6affd0fdc664664339a616b.tar.gz | |
interface-ip: fine tune IPv6 mtu warning
Failing to set the IPv6 mtu is only a real issue if the mtu to be set is
smaller than the current mtu as in that case it would break IPv6 path mtu;
adapt the logic to generate the warning accordingly
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Diffstat (limited to 'interface-ip.c')
| -rw-r--r-- | interface-ip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/interface-ip.c b/interface-ip.c index 0721a84..6900cd7 100644 --- a/interface-ip.c +++ b/interface-ip.c @@ -982,7 +982,7 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment, int mtu_old = system_update_ipv6_mtu(l3_downlink, 0); if (mtu > 0 && mtu_old != mtu) { - if (system_update_ipv6_mtu(l3_downlink, mtu) < 0) + if (system_update_ipv6_mtu(l3_downlink, mtu) < 0 && mtu < mtu_old) netifd_log_message(L_WARNING, "Failed to set IPv6 mtu to %d " "on interface '%s'\n", mtu, iface->name); } |