From 1cd127fc7d3a6d6a0fc9f9cca47ca3a16ee79679 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Mon, 17 Oct 2016 19:15:48 -0700 Subject: [PATCH] ixgbe: Flip to the new dev walk API Convert ixgbe users to new dev walk API. This is just a code conversion; no functional change is intended. Signed-off-by: David Ahern Signed-off-by: David S. Miller --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 132 ++++++++++++++++---------- 1 file changed, 82 insertions(+), 50 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 7dfde20..cbd2cfa 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5012,24 +5012,23 @@ fwd_queue_err: return err; } -static void ixgbe_configure_dfwd(struct ixgbe_adapter *adapter) +static int ixgbe_upper_dev_walk(struct net_device *upper, void *data) { - struct net_device *upper; - struct list_head *iter; - int err; - - netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { - if (netif_is_macvlan(upper)) { - struct macvlan_dev *dfwd = netdev_priv(upper); - struct ixgbe_fwd_adapter *vadapter = dfwd->fwd_priv; + if (netif_is_macvlan(upper)) { + struct macvlan_dev *dfwd = netdev_priv(upper); + struct ixgbe_fwd_adapter *vadapter = dfwd->fwd_priv; - if (dfwd->fwd_priv) { - err = ixgbe_fwd_ring_up(upper, vadapter); - if (err) - continue; - } - } + if (dfwd->fwd_priv) + ixgbe_fwd_ring_up(upper, vadapter); } + + return 0; +} + +static void ixgbe_configure_dfwd(struct ixgbe_adapter *adapter) +{ + netdev_walk_all_upper_dev_rcu(adapter->netdev, + ixgbe_upper_dev_walk, NULL); } static void ixgbe_configure(struct ixgbe_adapter *adapter) @@ -5448,12 +5447,25 @@ static void ixgbe_fdir_filter_exit(struct ixgbe_adapter *adapter) spin_unlock(&adapter->fdir_perfect_lock); } +static int ixgbe_disable_macvlan(struct net_device *upper, void *data) +{ + if (netif_is_macvlan(upper)) { + struct macvlan_dev *vlan = netdev_priv(upper); + + if (vlan->fwd_priv) { + netif_tx_stop_all_queues(upper); + netif_carrier_off(upper); + netif_tx_disable(upper); + } + } + + return 0; +} + void ixgbe_down(struct ixgbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; - struct net_device *upper; - struct list_head *iter; int i; /* signal that we are down to the interrupt handler */ @@ -5477,17 +5489,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter) netif_tx_disable(netdev); /* disable any upper devices */ - netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { - if (netif_is_macvlan(upper)) { - struct macvlan_dev *vlan = netdev_priv(upper); - - if (vlan->fwd_priv) { - netif_tx_stop_all_queues(upper); - netif_carrier_off(upper); - netif_tx_disable(upper); - } - } - } + netdev_walk_all_upper_dev_rcu(adapter->netdev, + ixgbe_disable_macvlan, NULL); ixgbe_irq_disable(adapter); @@ -6723,6 +6726,18 @@ static void ixgbe_update_default_up(struct ixgbe_adapter *adapter) #endif } +static int ixgbe_enable_macvlan(struct net_device *upper, void *data) +{ + if (netif_is_macvlan(upper)) { + struct macvlan_dev *vlan = netdev_priv(upper); + + if (vlan->fwd_priv) + netif_tx_wake_all_queues(upper); + } + + return 0; +} + /** * ixgbe_watchdog_link_is_up - update netif_carrier status and * print link up message @@ -6732,8 +6747,6 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; - struct net_device *upper; - struct list_head *iter; u32 link_speed = adapter->link_speed; const char *speed_str; bool flow_rx, flow_tx; @@ -6804,14 +6817,8 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) /* enable any upper devices */ rtnl_lock(); - netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { - if (netif_is_macvlan(upper)) { - struct macvlan_dev *vlan = netdev_priv(upper); - - if (vlan->fwd_priv) - netif_tx_wake_all_queues(upper); - } - } + netdev_walk_all_upper_dev_rcu(adapter->netdev, + ixgbe_enable_macvlan, NULL); rtnl_unlock(); /* update the default user priority for VFs */ @@ -8345,12 +8352,38 @@ static int ixgbe_configure_clsu32_del_hnode(struct ixgbe_adapter *adapter, } #ifdef CONFIG_NET_CLS_ACT +struct upper_walk_data { + struct ixgbe_adapter *adapter; + u64 action; + int ifindex; + u8 queue; +}; + +static int get_macvlan_queue(struct net_device *upper, void *_data) +{ + if (netif_is_macvlan(upper)) { + struct macvlan_dev *dfwd = netdev_priv(upper); + struct ixgbe_fwd_adapter *vadapter = dfwd->fwd_priv; + struct upper_walk_data *data = _data; + struct ixgbe_adapter *adapter = data->adapter; + int ifindex = data->ifindex; + + if (vadapter && vadapter->netdev->ifindex == ifindex) { + data->queue = adapter->rx_ring[vadapter->rx_base_queue]->reg_idx; + data->action = data->queue; + return 1; + } + } + + return 0; +} + static int handle_redirect_action(struct ixgbe_adapter *adapter, int ifindex, u8 *queue, u64 *action) { unsigned int num_vfs = adapter->num_vfs, vf; + struct upper_walk_data data; struct net_device *upper; - struct list_head *iter; /* redirect to a SRIOV VF */ for (vf = 0; vf < num_vfs; ++vf) { @@ -8368,17 +8401,16 @@ static int handle_redirect_action(struct ixgbe_adapter *adapter, int ifindex, } /* redirect to a offloaded macvlan netdev */ - netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { - if (netif_is_macvlan(upper)) { - struct macvlan_dev *dfwd = netdev_priv(upper); - struct ixgbe_fwd_adapter *vadapter = dfwd->fwd_priv; - - if (vadapter && vadapter->netdev->ifindex == ifindex) { - *queue = adapter->rx_ring[vadapter->rx_base_queue]->reg_idx; - *action = *queue; - return 0; - } - } + data.adapter = adapter; + data.ifindex = ifindex; + data.action = 0; + data.queue = 0; + if (netdev_walk_all_upper_dev_rcu(adapter->netdev, + get_macvlan_queue, &data)) { + *action = data.action; + *queue = data.queue; + + return 0; } return -EINVAL; -- 2.7.4