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Merge pull request #2978 from tomponline/tp-ipvlan-mtu

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network: Adds custom mtu support for ipvlan interfaces
This commit is contained in:
Christian Brauner 2019-05-07 13:37:38 +02:00 committed by GitHub
commit 2c07c966f9
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1 changed files with 17 additions and 0 deletions
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17
src/lxc/network.c
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@ -478,6 +478,7 @@ static int instantiate_ipvlan(struct lxc_handler *handler, struct lxc_netdev *ne
{
char peerbuf[IFNAMSIZ], *peer;
int err;
unsigned int mtu = 0;
if (netdev->link[0] == '\0') {
ERROR("No link for ipvlan network device specified");
@ -504,6 +505,22 @@ static int instantiate_ipvlan(struct lxc_handler *handler, struct lxc_netdev *ne
goto on_error;
}
if (netdev->mtu) {
err = lxc_safe_uint(netdev->mtu, &mtu);
if (err < 0) {
errno = -err;
SYSERROR("Failed to parse mtu \"%s\" for interface \"%s\"", netdev->mtu, peer);
goto on_error;
}
err = lxc_netdev_set_mtu(peer, mtu);
if (err < 0) {
errno = -err;
SYSERROR("Failed to set mtu \"%s\" for interface \"%s\"", netdev->mtu, peer);
goto on_error;
}
}
if (netdev->upscript) {
char *argv[] = {
"ipvlan",