diff options
Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/core.c')
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/core.c | 152 |
1 files changed, 139 insertions, 13 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c index 3423dc51198b..cf26c15a84f8 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/core.c +++ b/drivers/net/wireless/quantenna/qtnfmac/core.c @@ -119,9 +119,38 @@ qtnf_netdev_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* Netdev handler for getting stats. */ -static struct net_device_stats *qtnf_netdev_get_stats(struct net_device *dev) +static void qtnf_netdev_get_stats64(struct net_device *ndev, + struct rtnl_link_stats64 *stats) { - return &dev->stats; + struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); + unsigned int start; + int cpu; + + netdev_stats_to_stats64(stats, &ndev->stats); + + if (!vif->stats64) + return; + + for_each_possible_cpu(cpu) { + struct pcpu_sw_netstats *stats64; + u64 rx_packets, rx_bytes; + u64 tx_packets, tx_bytes; + + stats64 = per_cpu_ptr(vif->stats64, cpu); + + do { + start = u64_stats_fetch_begin_irq(&stats64->syncp); + rx_packets = stats64->rx_packets; + rx_bytes = stats64->rx_bytes; + tx_packets = stats64->tx_packets; + tx_bytes = stats64->tx_bytes; + } while (u64_stats_fetch_retry_irq(&stats64->syncp, start)); + + stats->rx_packets += rx_packets; + stats->rx_bytes += rx_bytes; + stats->tx_packets += tx_packets; + stats->tx_bytes += tx_bytes; + } } /* Netdev handler for transmission timeout. @@ -156,7 +185,7 @@ const struct net_device_ops qtnf_netdev_ops = { .ndo_stop = qtnf_netdev_close, .ndo_start_xmit = qtnf_netdev_hard_start_xmit, .ndo_tx_timeout = qtnf_netdev_tx_timeout, - .ndo_get_stats = qtnf_netdev_get_stats, + .ndo_get_stats64 = qtnf_netdev_get_stats64, }; static int qtnf_mac_init_single_band(struct wiphy *wiphy, @@ -233,6 +262,23 @@ struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac) return vif; } +void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac) +{ + struct ieee80211_iface_combination *comb; + int i; + + if (mac->macinfo.if_comb) { + for (i = 0; i < mac->macinfo.n_if_comb; i++) { + comb = &mac->macinfo.if_comb[i]; + kfree(comb->limits); + comb->limits = NULL; + } + + kfree(mac->macinfo.if_comb); + mac->macinfo.if_comb = NULL; + } +} + static void qtnf_vif_reset_handler(struct work_struct *work) { struct qtnf_vif *vif = container_of(work, struct qtnf_vif, reset_work); @@ -258,13 +304,44 @@ static void qtnf_mac_init_primary_intf(struct qtnf_wmac *mac) { struct qtnf_vif *vif = &mac->iflist[QTNF_PRIMARY_VIF_IDX]; - vif->wdev.iftype = NL80211_IFTYPE_AP; + vif->wdev.iftype = NL80211_IFTYPE_STATION; vif->bss_priority = QTNF_DEF_BSS_PRIORITY; vif->wdev.wiphy = priv_to_wiphy(mac); INIT_WORK(&vif->reset_work, qtnf_vif_reset_handler); vif->cons_tx_timeout_cnt = 0; } +static void qtnf_mac_scan_finish(struct qtnf_wmac *mac, bool aborted) +{ + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + + mutex_lock(&mac->mac_lock); + + if (mac->scan_req) { + cfg80211_scan_done(mac->scan_req, &info); + mac->scan_req = NULL; + } + + mutex_unlock(&mac->mac_lock); +} + +void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted) +{ + cancel_delayed_work_sync(&mac->scan_timeout); + qtnf_mac_scan_finish(mac, aborted); +} + +static void qtnf_mac_scan_timeout(struct work_struct *work) +{ + struct qtnf_wmac *mac = + container_of(work, struct qtnf_wmac, scan_timeout.work); + + pr_warn("MAC%d: scan timed out\n", mac->macid); + qtnf_mac_scan_finish(mac, true); +} + static struct qtnf_wmac *qtnf_core_mac_alloc(struct qtnf_bus *bus, unsigned int macid) { @@ -288,7 +365,12 @@ static struct qtnf_wmac *qtnf_core_mac_alloc(struct qtnf_bus *bus, mac->iflist[i].vifid = i; qtnf_sta_list_init(&mac->iflist[i].sta_list); mutex_init(&mac->mac_lock); - timer_setup(&mac->scan_timeout, NULL, 0); + INIT_DELAYED_WORK(&mac->scan_timeout, qtnf_mac_scan_timeout); + mac->iflist[i].stats64 = + netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); + if (!mac->iflist[i].stats64) + pr_warn("VIF%u.%u: per cpu stats allocation failed\n", + macid, i); } qtnf_mac_init_primary_intf(mac); @@ -297,9 +379,12 @@ static struct qtnf_wmac *qtnf_core_mac_alloc(struct qtnf_bus *bus, return mac; } +static const struct ethtool_ops qtnf_ethtool_ops = { + .get_drvinfo = cfg80211_get_drvinfo, +}; + int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif, - const char *name, unsigned char name_assign_type, - enum nl80211_iftype iftype) + const char *name, unsigned char name_assign_type) { struct wiphy *wiphy = priv_to_wiphy(mac); struct net_device *dev; @@ -320,12 +405,12 @@ int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif, dev->needs_free_netdev = true; dev_net_set(dev, wiphy_net(wiphy)); dev->ieee80211_ptr = &vif->wdev; - dev->ieee80211_ptr->iftype = iftype; ether_addr_copy(dev->dev_addr, vif->mac_addr); SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); dev->flags |= IFF_BROADCAST | IFF_MULTICAST; dev->watchdog_timeo = QTNF_DEF_WDOG_TIMEOUT; dev->tx_queue_len = 100; + dev->ethtool_ops = &qtnf_ethtool_ops; qdev_vif = netdev_priv(dev); *((void **)qdev_vif) = vif; @@ -366,6 +451,7 @@ static void qtnf_core_mac_detach(struct qtnf_bus *bus, unsigned int macid) } rtnl_unlock(); qtnf_sta_list_free(&vif->sta_list); + free_percpu(vif->stats64); } if (mac->wiphy_registered) @@ -382,8 +468,9 @@ static void qtnf_core_mac_detach(struct qtnf_bus *bus, unsigned int macid) wiphy->bands[band] = NULL; } - kfree(mac->macinfo.limits); - kfree(wiphy->iface_combinations); + qtnf_mac_iface_comb_free(mac); + kfree(mac->macinfo.extended_capabilities); + kfree(mac->macinfo.extended_capabilities_mask); wiphy_free(wiphy); bus->mac[macid] = NULL; } @@ -418,7 +505,7 @@ static int qtnf_core_mac_attach(struct qtnf_bus *bus, unsigned int macid) goto error; } - ret = qtnf_cmd_send_add_intf(vif, NL80211_IFTYPE_AP, vif->mac_addr); + ret = qtnf_cmd_send_add_intf(vif, vif->wdev.iftype, vif->mac_addr); if (ret) { pr_err("MAC%u: failed to add VIF\n", macid); goto error; @@ -446,8 +533,7 @@ static int qtnf_core_mac_attach(struct qtnf_bus *bus, unsigned int macid) rtnl_lock(); - ret = qtnf_core_net_attach(mac, vif, "wlan%d", NET_NAME_ENUM, - NL80211_IFTYPE_AP); + ret = qtnf_core_net_attach(mac, vif, "wlan%d", NET_NAME_ENUM); rtnl_unlock(); if (ret) { @@ -644,6 +730,46 @@ void qtnf_wake_all_queues(struct net_device *ndev) } EXPORT_SYMBOL_GPL(qtnf_wake_all_queues); +void qtnf_update_rx_stats(struct net_device *ndev, const struct sk_buff *skb) +{ + struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); + struct pcpu_sw_netstats *stats64; + + if (unlikely(!vif || !vif->stats64)) { + ndev->stats.rx_packets++; + ndev->stats.rx_bytes += skb->len; + return; + } + + stats64 = this_cpu_ptr(vif->stats64); + + u64_stats_update_begin(&stats64->syncp); + stats64->rx_packets++; + stats64->rx_bytes += skb->len; + u64_stats_update_end(&stats64->syncp); +} +EXPORT_SYMBOL_GPL(qtnf_update_rx_stats); + +void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb) +{ + struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); + struct pcpu_sw_netstats *stats64; + + if (unlikely(!vif || !vif->stats64)) { + ndev->stats.tx_packets++; + ndev->stats.tx_bytes += skb->len; + return; + } + + stats64 = this_cpu_ptr(vif->stats64); + + u64_stats_update_begin(&stats64->syncp); + stats64->tx_packets++; + stats64->tx_bytes += skb->len; + u64_stats_update_end(&stats64->syncp); +} +EXPORT_SYMBOL_GPL(qtnf_update_tx_stats); + MODULE_AUTHOR("Quantenna Communications"); MODULE_DESCRIPTION("Quantenna 802.11 wireless LAN FullMAC driver."); MODULE_LICENSE("GPL"); |