[PATCHv3 1/3] usbnet: specify naming of usbnet_set/get_link_ksettings
From: Oliver Neukum <oneukum@suse.com>
Date: 2021-02-18 11:08:50
Subsystem:
networking drivers, the rest, usb "usbnet" driver framework, usb cdc ethernet driver, usb davicom dm9601 driver, usb networking drivers, usb smsc75xx ethernet driver, usb subsystem · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Oliver Neukum, Oliver Neukum, Peter Korsgaard, Steve Glendinning, Greg Kroah-Hartman
The old generic functions assume that the devices includes an MDIO interface. This is true only for genuine ethernet. Devices with a higher level of abstraction or based on different technologies do not have it. So in preparation for supporting that, we rename the old functions to something specific. v2: rebased on changed upstream v3: changed names to clearly say that this does NOT use phylib Signed-off-by : Oliver Neukum [off-list ref] Tested-by: Roland Dreier <roland@kernel.org> --- drivers/net/usb/asix_devices.c | 12 ++++++------ drivers/net/usb/cdc_ncm.c | 4 ++-- drivers/net/usb/dm9601.c | 4 ++-- drivers/net/usb/mcs7830.c | 4 ++-- drivers/net/usb/sierra_net.c | 4 ++-- drivers/net/usb/smsc75xx.c | 4 ++-- drivers/net/usb/sr9700.c | 4 ++-- drivers/net/usb/sr9800.c | 4 ++-- drivers/net/usb/usbnet.c | 36 ++++++++++++++++++++++++++++------ include/linux/usb/usbnet.h | 6 ++++-- 10 files changed, 54 insertions(+), 28 deletions(-)
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 6e13d8165852..19a8fafb8f04 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c@@ -125,8 +125,8 @@ static const struct ethtool_ops ax88172_ethtool_ops = { .get_eeprom = asix_get_eeprom, .set_eeprom = asix_set_eeprom, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static void ax88172_set_multicast(struct net_device *net)
@@ -291,8 +291,8 @@ static const struct ethtool_ops ax88772_ethtool_ops = { .get_eeprom = asix_get_eeprom, .set_eeprom = asix_set_eeprom, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static int ax88772_link_reset(struct usbnet *dev)
@@ -782,8 +782,8 @@ static const struct ethtool_ops ax88178_ethtool_ops = { .get_eeprom = asix_get_eeprom, .set_eeprom = asix_set_eeprom, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static int marvell_phy_init(struct usbnet *dev)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 4087c9e33781..0d26cbeb6e04 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c@@ -142,8 +142,8 @@ static const struct ethtool_ops cdc_ncm_ethtool_ops = { .get_sset_count = cdc_ncm_get_sset_count, .get_strings = cdc_ncm_get_strings, .get_ethtool_stats = cdc_ncm_get_ethtool_stats, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_internal, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static u32 cdc_ncm_check_rx_max(struct usbnet *dev, u32 new_rx)
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index b5d2ac55a874..89cc61d7a675 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c@@ -282,8 +282,8 @@ static const struct ethtool_ops dm9601_ethtool_ops = { .get_eeprom_len = dm9601_get_eeprom_len, .get_eeprom = dm9601_get_eeprom, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static void dm9601_set_multicast(struct net_device *net)
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index fc512b780d15..9f9352a4522f 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c@@ -452,8 +452,8 @@ static const struct ethtool_ops mcs7830_ethtool_ops = { .get_msglevel = usbnet_get_msglevel, .set_msglevel = usbnet_set_msglevel, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static const struct net_device_ops mcs7830_netdev_ops = {
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index 55a244eca5ca..55025202dc4f 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c@@ -629,8 +629,8 @@ static const struct ethtool_ops sierra_net_ethtool_ops = { .get_msglevel = usbnet_get_msglevel, .set_msglevel = usbnet_set_msglevel, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 4353b370249f..f8cdabb9ef5a 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c@@ -741,8 +741,8 @@ static const struct ethtool_ops smsc75xx_ethtool_ops = { .set_eeprom = smsc75xx_ethtool_set_eeprom, .get_wol = smsc75xx_ethtool_get_wol, .set_wol = smsc75xx_ethtool_set_wol, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c
index 878557ad03ad..ce29261263cd 100644
--- a/drivers/net/usb/sr9700.c
+++ b/drivers/net/usb/sr9700.c@@ -250,8 +250,8 @@ static const struct ethtool_ops sr9700_ethtool_ops = { .get_eeprom_len = sr9700_get_eeprom_len, .get_eeprom = sr9700_get_eeprom, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static void sr9700_set_multicast(struct net_device *netdev)
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index da56735d7755..a822d81310d5 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c@@ -527,8 +527,8 @@ static const struct ethtool_ops sr9800_ethtool_ops = { .get_eeprom_len = sr_get_eeprom_len, .get_eeprom = sr_get_eeprom, .nway_reset = usbnet_nway_reset, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; static int sr9800_link_reset(struct usbnet *dev)
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index b4c8080e6f87..f3e5ad9befd0 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c@@ -944,7 +944,10 @@ EXPORT_SYMBOL_GPL(usbnet_open); * they'll probably want to use this base set. */ -int usbnet_get_link_ksettings(struct net_device *net, +/* These methods are written on the assumption that the device + * uses MII + */ +int usbnet_get_link_ksettings_mii(struct net_device *net, struct ethtool_link_ksettings *cmd) { struct usbnet *dev = netdev_priv(net);
@@ -956,9 +959,30 @@ int usbnet_get_link_ksettings(struct net_device *net, return 0; } -EXPORT_SYMBOL_GPL(usbnet_get_link_ksettings); +EXPORT_SYMBOL_GPL(usbnet_get_link_ksettings_mii); + +int usbnet_get_link_ksettings_internal(struct net_device *net, + struct ethtool_link_ksettings *cmd) +{ + struct usbnet *dev = netdev_priv(net); + + /* the assumption that speed is equal on tx and rx + * is deeply engrained into the networking layer. + * For wireless stuff it is not true. + * We assume that rxspeed matters more. + */ + if (dev->rxspeed != SPEED_UNKNOWN) + cmd->base.speed = dev->rxspeed / 1000000; + else if (dev->txspeed != SPEED_UNKNOWN) + cmd->base.speed = dev->txspeed / 1000000; + else + cmd->base.speed = SPEED_UNKNOWN; + + return 0; +} +EXPORT_SYMBOL_GPL(usbnet_get_link_ksettings_internal); -int usbnet_set_link_ksettings(struct net_device *net, +int usbnet_set_link_ksettings_mii(struct net_device *net, const struct ethtool_link_ksettings *cmd) { struct usbnet *dev = netdev_priv(net);
@@ -978,7 +1002,7 @@ int usbnet_set_link_ksettings(struct net_device *net, return retval; } -EXPORT_SYMBOL_GPL(usbnet_set_link_ksettings); +EXPORT_SYMBOL_GPL(usbnet_set_link_ksettings_mii); u32 usbnet_get_link (struct net_device *net) {
@@ -1043,8 +1067,8 @@ static const struct ethtool_ops usbnet_ethtool_ops = { .get_msglevel = usbnet_get_msglevel, .set_msglevel = usbnet_set_msglevel, .get_ts_info = ethtool_op_get_ts_info, - .get_link_ksettings = usbnet_get_link_ksettings, - .set_link_ksettings = usbnet_set_link_ksettings, + .get_link_ksettings = usbnet_get_link_ksettings_mii, + .set_link_ksettings = usbnet_set_link_ksettings_mii, }; /*-------------------------------------------------------------------------*/
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index cfbfd6fe01df..132c1b5e14bb 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h@@ -267,9 +267,11 @@ extern void usbnet_pause_rx(struct usbnet *); extern void usbnet_resume_rx(struct usbnet *); extern void usbnet_purge_paused_rxq(struct usbnet *); -extern int usbnet_get_link_ksettings(struct net_device *net, +extern int usbnet_get_link_ksettings_mii(struct net_device *net, struct ethtool_link_ksettings *cmd); -extern int usbnet_set_link_ksettings(struct net_device *net, +extern int usbnet_get_link_ksettings_internal(struct net_device *net, + struct ethtool_link_ksettings *cmd); +extern int usbnet_set_link_ksettings_mii(struct net_device *net, const struct ethtool_link_ksettings *cmd); extern u32 usbnet_get_link(struct net_device *net); extern u32 usbnet_get_msglevel(struct net_device *);
--
2.26.2