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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 21:04:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 21:04:47 -0700
commit3b59bf081622b6446db77ad06c93fe23677bc533 (patch)
tree3f4bb5a27c90cc86994a1f6d3c53fbf9208003cb /drivers/net/wireless/rtl818x/rtl8187/dev.c
parente45836fafe157df137a837093037f741ad8f4c90 (diff)
parentbbdb32cb5b73597386913d052165423b9d736145 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking merge from David Miller: "1) Move ixgbe driver over to purely page based buffering on receive. From Alexander Duyck. 2) Add receive packet steering support to e1000e, from Bruce Allan. 3) Convert TCP MD5 support over to RCU, from Eric Dumazet. 4) Reduce cpu usage in handling out-of-order TCP packets on modern systems, also from Eric Dumazet. 5) Support the IP{,V6}_UNICAST_IF socket options, making the wine folks happy, from Erich Hoover. 6) Support VLAN trunking from guests in hyperv driver, from Haiyang Zhang. 7) Support byte-queue-limtis in r8169, from Igor Maravic. 8) Outline code intended for IP_RECVTOS in IP_PKTOPTIONS existed but was never properly implemented, Jiri Benc fixed that. 9) 64-bit statistics support in r8169 and 8139too, from Junchang Wang. 10) Support kernel side dump filtering by ctmark in netfilter ctnetlink, from Pablo Neira Ayuso. 11) Support byte-queue-limits in gianfar driver, from Paul Gortmaker. 12) Add new peek socket options to assist with socket migration, from Pavel Emelyanov. 13) Add sch_plug packet scheduler whose queue is controlled by userland daemons using explicit freeze and release commands. From Shriram Rajagopalan. 14) Fix FCOE checksum offload handling on transmit, from Yi Zou." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1846 commits) Fix pppol2tp getsockname() Remove printk from rds_sendmsg ipv6: fix incorrent ipv6 ipsec packet fragment cpsw: Hook up default ndo_change_mtu. net: qmi_wwan: fix build error due to cdc-wdm dependecy netdev: driver: ethernet: Add TI CPSW driver netdev: driver: ethernet: add cpsw address lookup engine support phy: add am79c874 PHY support mlx4_core: fix race on comm channel bonding: send igmp report for its master fs_enet: Add MPC5125 FEC support and PHY interface selection net: bpf_jit: fix BPF_S_LDX_B_MSH compilation net: update the usage of CHECKSUM_UNNECESSARY fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso ixgbe: Fix issues with SR-IOV loopback when flow control is disabled net/hyperv: Fix the code handling tx busy ixgbe: fix namespace issues when FCoE/DCB is not enabled rtlwifi: Remove unused ETH_ADDR_LEN defines igbvf: Use ETH_ALEN ... Fix up fairly trivial conflicts in drivers/isdn/gigaset/interface.c and drivers/net/usb/{Kconfig,qmi_wwan.c} as per David.
Diffstat (limited to 'drivers/net/wireless/rtl818x/rtl8187/dev.c')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187/dev.c110
1 files changed, 91 insertions, 19 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c
index 638fbef693e..cf53ac9d6f2 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c
@@ -8,7 +8,7 @@
* Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
*
* The driver was extended to the RTL8187B in 2008 by:
- * Herton Ronaldo Krzesinski <herton@mandriva.com.br>
+ * Herton Ronaldo Krzesinski <herton@mandriva.com.br>
* Hin-Tak Leung <htl10@users.sourceforge.net>
* Larry Finger <Larry.Finger@lwfinger.net>
*
@@ -232,6 +232,7 @@ static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct rtl8187_priv *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hdr *tx_hdr = (struct ieee80211_hdr *)(skb->data);
unsigned int ep;
void *buf;
struct urb *urb;
@@ -249,7 +250,7 @@ static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
flags |= RTL818X_TX_DESC_FLAG_NO_ENC;
flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24;
- if (ieee80211_has_morefrags(((struct ieee80211_hdr *)skb->data)->frame_control))
+ if (ieee80211_has_morefrags(tx_hdr->frame_control))
flags |= RTL818X_TX_DESC_FLAG_MOREFRAG;
if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
flags |= RTL818X_TX_DESC_FLAG_RTS;
@@ -261,6 +262,13 @@ static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
}
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+ if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+ priv->seqno += 0x10;
+ tx_hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ tx_hdr->seq_ctrl |= cpu_to_le16(priv->seqno);
+ }
+
if (!priv->is_rtl8187b) {
struct rtl8187_tx_hdr *hdr =
(struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr));
@@ -274,8 +282,6 @@ static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
} else {
/* fc needs to be calculated before skb_push() */
unsigned int epmap[4] = { 6, 7, 5, 4 };
- struct ieee80211_hdr *tx_hdr =
- (struct ieee80211_hdr *)(skb->data);
u16 fc = le16_to_cpu(tx_hdr->frame_control);
struct rtl8187b_tx_hdr *hdr =
@@ -1031,10 +1037,61 @@ static void rtl8187_stop(struct ieee80211_hw *dev)
cancel_delayed_work_sync(&priv->work);
}
+static u64 rtl8187_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif)
+{
+ struct rtl8187_priv *priv = dev->priv;
+
+ return rtl818x_ioread32(priv, &priv->map->TSFT[0]) |
+ (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32;
+}
+
+
+static void rtl8187_beacon_work(struct work_struct *work)
+{
+ struct rtl8187_vif *vif_priv =
+ container_of(work, struct rtl8187_vif, beacon_work.work);
+ struct ieee80211_vif *vif =
+ container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
+ struct ieee80211_hw *dev = vif_priv->dev;
+ struct ieee80211_mgmt *mgmt;
+ struct sk_buff *skb;
+
+ /* don't overflow the tx ring */
+ if (ieee80211_queue_stopped(dev, 0))
+ goto resched;
+
+ /* grab a fresh beacon */
+ skb = ieee80211_beacon_get(dev, vif);
+ if (!skb)
+ goto resched;
+
+ /*
+ * update beacon timestamp w/ TSF value
+ * TODO: make hardware update beacon timestamp
+ */
+ mgmt = (struct ieee80211_mgmt *)skb->data;
+ mgmt->u.beacon.timestamp = cpu_to_le64(rtl8187_get_tsf(dev, vif));
+
+ /* TODO: use actual beacon queue */
+ skb_set_queue_mapping(skb, 0);
+
+ rtl8187_tx(dev, skb);
+
+resched:
+ /*
+ * schedule next beacon
+ * TODO: use hardware support for beacon timing
+ */
+ schedule_delayed_work(&vif_priv->beacon_work,
+ usecs_to_jiffies(1024 * vif->bss_conf.beacon_int));
+}
+
+
static int rtl8187_add_interface(struct ieee80211_hw *dev,
struct ieee80211_vif *vif)
{
struct rtl8187_priv *priv = dev->priv;
+ struct rtl8187_vif *vif_priv;
int i;
int ret = -EOPNOTSUPP;
@@ -1044,6 +1101,7 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
switch (vif->type) {
case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
break;
default:
goto exit;
@@ -1052,6 +1110,13 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
ret = 0;
priv->vif = vif;
+ /* Initialize driver private area */
+ vif_priv = (struct rtl8187_vif *)&vif->drv_priv;
+ vif_priv->dev = dev;
+ INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8187_beacon_work);
+ vif_priv->enable_beacon = false;
+
+
rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
for (i = 0; i < ETH_ALEN; i++)
rtl818x_iowrite8(priv, &priv->map->MAC[i],
@@ -1175,9 +1240,12 @@ static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
u32 changed)
{
struct rtl8187_priv *priv = dev->priv;
+ struct rtl8187_vif *vif_priv;
int i;
u8 reg;
+ vif_priv = (struct rtl8187_vif *)&vif->drv_priv;
+
if (changed & BSS_CHANGED_BSSID) {
mutex_lock(&priv->conf_mutex);
for (i = 0; i < ETH_ALEN; i++)
@@ -1189,8 +1257,12 @@ static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
else
reg = 0;
- if (is_valid_ether_addr(info->bssid))
- reg |= RTL818X_MSR_INFRA;
+ if (is_valid_ether_addr(info->bssid)) {
+ if (vif->type == NL80211_IFTYPE_ADHOC)
+ reg |= RTL818X_MSR_ADHOC;
+ else
+ reg |= RTL818X_MSR_INFRA;
+ }
else
reg |= RTL818X_MSR_NO_LINK;
@@ -1202,6 +1274,16 @@ static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_ERP_PREAMBLE))
rtl8187_conf_erp(priv, info->use_short_slot,
info->use_short_preamble);
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED)
+ vif_priv->enable_beacon = info->enable_beacon;
+
+ if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) {
+ cancel_delayed_work_sync(&vif_priv->beacon_work);
+ if (vif_priv->enable_beacon)
+ schedule_work(&vif_priv->beacon_work.work);
+ }
+
}
static u64 rtl8187_prepare_multicast(struct ieee80211_hw *dev,
@@ -1279,13 +1361,6 @@ static int rtl8187_conf_tx(struct ieee80211_hw *dev,
return 0;
}
-static u64 rtl8187_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif)
-{
- struct rtl8187_priv *priv = dev->priv;
-
- return rtl818x_ioread32(priv, &priv->map->TSFT[0]) |
- (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32;
-}
static const struct ieee80211_ops rtl8187_ops = {
.tx = rtl8187_tx,
@@ -1514,12 +1589,9 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
if (reg & 0xFF00)
priv->rfkill_mask = RFKILL_MASK_8198;
}
-
- /*
- * XXX: Once this driver supports anything that requires
- * beacons it must implement IEEE80211_TX_CTL_ASSIGN_SEQ.
- */
- dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+ dev->vif_data_size = sizeof(struct rtl8187_vif);
+ dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) ;
if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b)
printk(KERN_INFO "rtl8187: inconsistency between id with OEM"