From b63e78fca889e07931ec8f259701718a24e5052e Mon Sep 17 00:00:00 2001 From: Vladimir Oltean Date: Mon, 7 Aug 2023 22:33:20 +0300 Subject: net: netdevsim: use mock PHC driver I'd like to make netdevsim offload tc-taprio, but currently, this Qdisc emits a ETHTOOL_GET_TS_INFO call to the driver to make sure that it has a PTP clock, so that it is reasonably capable of offloading the schedule. By using the mock PHC driver, that becomes possible. Hardware timestamping is not necessary, and netdevsim does not support packet I/O anyway. Signed-off-by: Vladimir Oltean Link: https://lore.kernel.org/r/20230807193324.4128292-8-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski --- drivers/net/netdevsim/netdev.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'drivers/net/netdevsim/netdev.c') diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c index 0c8daeb0d62b..2a4a0c4065cf 100644 --- a/drivers/net/netdevsim/netdev.c +++ b/drivers/net/netdevsim/netdev.c @@ -291,13 +291,19 @@ static void nsim_setup(struct net_device *dev) static int nsim_init_netdevsim(struct netdevsim *ns) { + struct mock_phc *phc; int err; + phc = mock_phc_create(&ns->nsim_bus_dev->dev); + if (IS_ERR(phc)) + return PTR_ERR(phc); + + ns->phc = phc; ns->netdev->netdev_ops = &nsim_netdev_ops; err = nsim_udp_tunnels_info_create(ns->nsim_dev, ns->netdev); if (err) - return err; + goto err_phc_destroy; rtnl_lock(); err = nsim_bpf_init(ns); @@ -320,6 +326,8 @@ err_ipsec_teardown: err_utn_destroy: rtnl_unlock(); nsim_udp_tunnels_info_destroy(ns->netdev); +err_phc_destroy: + mock_phc_destroy(ns->phc); return err; } @@ -383,6 +391,7 @@ void nsim_destroy(struct netdevsim *ns) rtnl_unlock(); if (nsim_dev_port_is_pf(ns->nsim_dev_port)) nsim_udp_tunnels_info_destroy(dev); + mock_phc_destroy(ns->phc); free_netdev(dev); } -- cgit v1.2.3