diff options
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/netdev.c')
| -rw-r--r-- | drivers/net/wireless/microchip/wilc1000/netdev.c | 43 |
1 files changed, 18 insertions, 25 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c index 710e29bea560..73f56f7b002b 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.c +++ b/drivers/net/wireless/microchip/wilc1000/netdev.c @@ -127,30 +127,28 @@ void wilc_wlan_set_bssid(struct net_device *wilc_netdev, const u8 *bssid, int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc) { - int srcu_idx; u8 ret_val = 0; struct wilc_vif *vif; - srcu_idx = srcu_read_lock(&wilc->srcu); + rcu_read_lock(); wilc_for_each_vif(wilc, vif) { if (!is_zero_ether_addr(vif->bssid)) ret_val++; } - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); return ret_val; } static void wilc_wake_tx_queues(struct wilc *wl) { - int srcu_idx; struct wilc_vif *ifc; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); wilc_for_each_vif(wl, ifc) { if (ifc->mac_opened && netif_queue_stopped(ifc->ndev)) netif_wake_queue(ifc->ndev); } - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); } static int wilc_txq_task(void *vp) @@ -655,7 +653,6 @@ static int wilc_set_mac_addr(struct net_device *dev, void *p) struct sockaddr *addr = (struct sockaddr *)p; unsigned char mac_addr[ETH_ALEN]; struct wilc_vif *tmp_vif; - int srcu_idx; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; @@ -667,19 +664,19 @@ static int wilc_set_mac_addr(struct net_device *dev, void *p) /* Verify MAC Address is not already in use: */ - srcu_idx = srcu_read_lock(&wilc->srcu); + rcu_read_lock(); wilc_for_each_vif(wilc, tmp_vif) { wilc_get_mac_address(tmp_vif, mac_addr); if (ether_addr_equal(addr->sa_data, mac_addr)) { if (vif != tmp_vif) { - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); return -EADDRNOTAVAIL; } - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); return 0; } } - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); result = wilc_set_mac_address(vif, (u8 *)addr->sa_data); if (result) @@ -767,15 +764,14 @@ netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev) wilc_tx_complete); if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) { - int srcu_idx; struct wilc_vif *vif; - srcu_idx = srcu_read_lock(&wilc->srcu); + rcu_read_lock(); wilc_for_each_vif(wilc, vif) { if (vif->mac_opened) netif_stop_queue(vif->ndev); } - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); } return NETDEV_TX_OK; @@ -819,13 +815,12 @@ void wilc_frmw_to_host(struct wilc *wilc, u8 *buff, u32 size, unsigned int frame_len = 0; struct wilc_vif *vif; struct sk_buff *skb; - int srcu_idx; int stats; if (!wilc) return; - srcu_idx = srcu_read_lock(&wilc->srcu); + rcu_read_lock(); wilc_netdev = get_if_handler(wilc, buff); if (!wilc_netdev) goto out; @@ -853,15 +848,14 @@ void wilc_frmw_to_host(struct wilc *wilc, u8 *buff, u32 size, netdev_dbg(wilc_netdev, "netif_rx ret value is: %d\n", stats); } out: - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); } void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size, bool is_auth) { - int srcu_idx; struct wilc_vif *vif; - srcu_idx = srcu_read_lock(&wilc->srcu); + rcu_read_lock(); wilc_for_each_vif(wilc, vif) { struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buff; u16 type = le16_to_cpup((__le16 *)buff); @@ -882,7 +876,7 @@ void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size, bool is_auth) if (vif->monitor_flag) wilc_wfi_monitor_rx(wilc->monitor_dev, buff, size); } - srcu_read_unlock(&wilc->srcu, srcu_idx); + rcu_read_unlock(); } static const struct net_device_ops wilc_netdev_ops = { @@ -912,7 +906,7 @@ void wilc_netdev_cleanup(struct wilc *wilc) list_del_rcu(&vif->list); wilc->vif_num--; mutex_unlock(&wilc->vif_mutex); - synchronize_srcu(&wilc->srcu); + synchronize_rcu(); if (vif->ndev) unregister_netdev(vif->ndev); } @@ -931,16 +925,15 @@ static u8 wilc_get_available_idx(struct wilc *wl) { int idx = 0; struct wilc_vif *vif; - int srcu_idx; - srcu_idx = srcu_read_lock(&wl->srcu); + rcu_read_lock(); wilc_for_each_vif(wl, vif) { if (vif->idx == 0) idx = 1; else idx = 0; } - srcu_read_unlock(&wl->srcu, srcu_idx); + rcu_read_unlock(); return idx; } @@ -990,7 +983,7 @@ struct wilc_vif *wilc_netdev_ifc_init(struct wilc *wl, const char *name, list_add_tail_rcu(&vif->list, &wl->vif_list); wl->vif_num += 1; mutex_unlock(&wl->vif_mutex); - synchronize_srcu(&wl->srcu); + synchronize_rcu(); return vif; |