diff options
Diffstat (limited to 'drivers/net/ppp/ppp_generic.c')
| -rw-r--r-- | drivers/net/ppp/ppp_generic.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index d445ecb1d0c7..930e49ef15f6 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1560,12 +1560,34 @@ static void ppp_dev_priv_destructor(struct net_device *dev) ppp_destroy_interface(ppp); } +static int ppp_fill_forward_path(struct net_device_path_ctx *ctx, + struct net_device_path *path) +{ + struct ppp *ppp = netdev_priv(ctx->dev); + struct ppp_channel *chan; + struct channel *pch; + + if (ppp->flags & SC_MULTILINK) + return -EOPNOTSUPP; + + if (list_empty(&ppp->channels)) + return -ENODEV; + + pch = list_first_entry(&ppp->channels, struct channel, clist); + chan = pch->chan; + if (!chan->ops->fill_forward_path) + return -EOPNOTSUPP; + + return chan->ops->fill_forward_path(ctx, path, chan); +} + static const struct net_device_ops ppp_netdev_ops = { .ndo_init = ppp_dev_init, .ndo_uninit = ppp_dev_uninit, .ndo_start_xmit = ppp_start_xmit, .ndo_do_ioctl = ppp_net_ioctl, .ndo_get_stats64 = ppp_get_stats64, + .ndo_fill_forward_path = ppp_fill_forward_path, }; static struct device_type ppp_type = { |