[PATCH net-next v7 1/5] net: ngbe: implement libwx reset ops
From: Jiawen Wu <jiawenwu@trustnetic.com>
Date: 2026-06-15 06:51:28
Subsystem:
networking drivers, the rest, wangxun ethernet driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Jiawen Wu, Mengyuan Lou
Implement wx->do_reset() for library module calling. Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Reviewed-by: Larysa Zaremba <redacted> Reviewed-by: Aleksandr Loktionov <redacted> --- .../net/ethernet/wangxun/ngbe/ngbe_ethtool.c | 1 - drivers/net/ethernet/wangxun/ngbe/ngbe_main.c | 37 ++++++++++++++++++- drivers/net/ethernet/wangxun/ngbe/ngbe_type.h | 1 + 3 files changed, 36 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
index b2e191982803..1960f7154151 100644
--- a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c@@ -59,7 +59,6 @@ static int ngbe_set_ringparam(struct net_device *netdev, wx_set_ring(wx, new_tx_count, new_rx_count, temp_ring); kvfree(temp_ring); - wx_configure(wx); ngbe_up(wx); clear_reset:
diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
index 8678c49b892a..dea6dfb043f3 100644
--- a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
+++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c@@ -133,6 +133,7 @@ static int ngbe_sw_init(struct wx *wx) wx->mbx.size = WX_VXMAILBOX_SIZE; wx->setup_tc = ngbe_setup_tc; + wx->do_reset = ngbe_do_reset; set_bit(0, &wx->fwd_bitmask); return 0;
@@ -423,7 +424,7 @@ void ngbe_down(struct wx *wx) wx_clean_all_rx_rings(wx); } -void ngbe_up(struct wx *wx) +static void ngbe_up_complete(struct wx *wx) { wx_configure_vectors(wx);
@@ -490,7 +491,7 @@ static int ngbe_open(struct net_device *netdev) wx_ptp_init(wx); - ngbe_up(wx); + ngbe_up_complete(wx); return 0; err_dis_phy:
@@ -503,6 +504,12 @@ static int ngbe_open(struct net_device *netdev) return err; } +void ngbe_up(struct wx *wx) +{ + wx_configure(wx); + ngbe_up_complete(wx); +} + /** * ngbe_close - Disables a network interface * @netdev: network interface device structure
@@ -590,6 +597,8 @@ int ngbe_setup_tc(struct net_device *dev, u8 tc) */ if (netif_running(dev)) ngbe_close(dev); + else + ngbe_reset(wx); wx_clear_interrupt_scheme(wx);
@@ -606,6 +615,30 @@ int ngbe_setup_tc(struct net_device *dev, u8 tc) return 0; } +static void ngbe_reinit_locked(struct wx *wx) +{ + netif_trans_update(wx->netdev); + + mutex_lock(&wx->reset_lock); + set_bit(WX_STATE_RESETTING, wx->state); + + ngbe_down(wx); + ngbe_up(wx); + + clear_bit(WX_STATE_RESETTING, wx->state); + mutex_unlock(&wx->reset_lock); +} + +void ngbe_do_reset(struct net_device *netdev) +{ + struct wx *wx = netdev_priv(netdev); + + if (netif_running(netdev)) + ngbe_reinit_locked(wx); + else + ngbe_reset(wx); +} + static const struct net_device_ops ngbe_netdev_ops = { .ndo_open = ngbe_open, .ndo_stop = ngbe_close,
diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h b/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h
index 7077a0da4c98..4f648f272c08 100644
--- a/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h
+++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h@@ -125,5 +125,6 @@ extern char ngbe_driver_name[]; void ngbe_down(struct wx *wx); void ngbe_up(struct wx *wx); int ngbe_setup_tc(struct net_device *dev, u8 tc); +void ngbe_do_reset(struct net_device *netdev); #endif /* _NGBE_TYPE_H_ */
--
2.51.0