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netdevsim: add UDP tunnel port offload support

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Add UDP tunnel port handlers to our fake driver so we can test
the core infra.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2020-07-09 17:42:48 -07:00
committed by David S. Miller
parent c7d759eb7b
commit 424be63ad8
5 changed files with 224 additions and 2 deletions
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12
drivers/net/netdevsim/netdev.c
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@@ -22,6 +22,7 @@
#include <net/netlink.h>
#include <net/pkt_cls.h>
#include <net/rtnetlink.h>
#include <net/udp_tunnel.h>
#include "netdevsim.h"
@@ -257,6 +258,8 @@ static const struct net_device_ops nsim_netdev_ops = {
.ndo_setup_tc = nsim_setup_tc,
.ndo_set_features = nsim_set_features,
.ndo_bpf = nsim_bpf,
.ndo_udp_tunnel_add = udp_tunnel_nic_add_port,
.ndo_udp_tunnel_del = udp_tunnel_nic_del_port,
.ndo_get_devlink_port = nsim_get_devlink_port,
};
@@ -299,10 +302,14 @@ nsim_create(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port)
SET_NETDEV_DEV(dev, &ns->nsim_bus_dev->dev);
dev->netdev_ops = &nsim_netdev_ops;
err = nsim_udp_tunnels_info_create(nsim_dev, dev);
if (err)
goto err_free_netdev;
rtnl_lock();
err = nsim_bpf_init(ns);
if (err)
goto err_free_netdev;
goto err_utn_destroy;
nsim_ipsec_init(ns);
@@ -317,6 +324,8 @@ err_ipsec_teardown:
nsim_ipsec_teardown(ns);
nsim_bpf_uninit(ns);
rtnl_unlock();
err_utn_destroy:
nsim_udp_tunnels_info_destroy(dev);
err_free_netdev:
free_netdev(dev);
return ERR_PTR(err);
@@ -331,6 +340,7 @@ void nsim_destroy(struct netdevsim *ns)
nsim_ipsec_teardown(ns);
nsim_bpf_uninit(ns);
rtnl_unlock();
nsim_udp_tunnels_info_destroy(dev);
free_netdev(dev);
}