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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-31 14:31:10 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-31 14:31:10 -0800 |
commit | b2fe5fa68642860e7de76167c3111623aa0d5de1 (patch) | |
tree | b7f9b89b7039ecefbc35fe3c8e73a6ff972641dd /drivers/net/wireless/quantenna/qtnfmac/core.c | |
parent | a103950e0dd2058df5e8a8d4a915707bdcf205f0 (diff) | |
parent | a54667f6728c2714a400f3c884727da74b6d1717 (diff) | |
download | op-kernel-dev-b2fe5fa68642860e7de76167c3111623aa0d5de1.zip op-kernel-dev-b2fe5fa68642860e7de76167c3111623aa0d5de1.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Significantly shrink the core networking routing structures. Result
of http://vger.kernel.org/~davem/seoul2017_netdev_keynote.pdf
2) Add netdevsim driver for testing various offloads, from Jakub
Kicinski.
3) Support cross-chip FDB operations in DSA, from Vivien Didelot.
4) Add a 2nd listener hash table for TCP, similar to what was done for
UDP. From Martin KaFai Lau.
5) Add eBPF based queue selection to tun, from Jason Wang.
6) Lockless qdisc support, from John Fastabend.
7) SCTP stream interleave support, from Xin Long.
8) Smoother TCP receive autotuning, from Eric Dumazet.
9) Lots of erspan tunneling enhancements, from William Tu.
10) Add true function call support to BPF, from Alexei Starovoitov.
11) Add explicit support for GRO HW offloading, from Michael Chan.
12) Support extack generation in more netlink subsystems. From Alexander
Aring, Quentin Monnet, and Jakub Kicinski.
13) Add 1000BaseX, flow control, and EEE support to mvneta driver. From
Russell King.
14) Add flow table abstraction to netfilter, from Pablo Neira Ayuso.
15) Many improvements and simplifications to the NFP driver bpf JIT,
from Jakub Kicinski.
16) Support for ipv6 non-equal cost multipath routing, from Ido
Schimmel.
17) Add resource abstration to devlink, from Arkadi Sharshevsky.
18) Packet scheduler classifier shared filter block support, from Jiri
Pirko.
19) Avoid locking in act_csum, from Davide Caratti.
20) devinet_ioctl() simplifications from Al viro.
21) More TCP bpf improvements from Lawrence Brakmo.
22) Add support for onlink ipv6 route flag, similar to ipv4, from David
Ahern.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1925 commits)
tls: Add support for encryption using async offload accelerator
ip6mr: fix stale iterator
net/sched: kconfig: Remove blank help texts
openvswitch: meter: Use 64-bit arithmetic instead of 32-bit
tcp_nv: fix potential integer overflow in tcpnv_acked
r8169: fix RTL8168EP take too long to complete driver initialization.
qmi_wwan: Add support for Quectel EP06
rtnetlink: enable IFLA_IF_NETNSID for RTM_NEWLINK
ipmr: Fix ptrdiff_t print formatting
ibmvnic: Wait for device response when changing MAC
qlcnic: fix deadlock bug
tcp: release sk_frag.page in tcp_disconnect
ipv4: Get the address of interface correctly.
net_sched: gen_estimator: fix lockdep splat
net: macb: Handle HRESP error
net/mlx5e: IPoIB, Fix copy-paste bug in flow steering refactoring
ipv6: addrconf: break critical section in addrconf_verify_rtnl()
ipv6: change route cache aging logic
i40e/i40evf: Update DESC_NEEDED value to reflect larger value
bnxt_en: cleanup DIM work on device shutdown
...
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 3423dc5..cf26c15 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"); |