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authorJeff Garzik <jeff@garzik.org>2006-12-07 05:02:40 -0500
committerJeff Garzik <jeff@garzik.org>2006-12-07 05:02:40 -0500
commit359f2d17e32b32f53577375f83fb06d34e31bfe8 (patch)
tree2890ffcf40fab2d2c24d2d208814afeb52bb12e5 /drivers/net/wireless/zd1211rw
parent0efdf2626676db4b30d343ff88f8461ad09130da (diff)
parent720eeb4332e5871c97d390b2fb55a5a74fb18ae6 (diff)
Merge branch 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream
Conflicts: drivers/net/wireless/zd1211rw/zd_mac.h net/ieee80211/softmac/ieee80211softmac_assoc.c
Diffstat (limited to 'drivers/net/wireless/zd1211rw')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c13
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.h43
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c53
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.h3
-rw-r--r--drivers/net/wireless/zd1211rw/zd_netdev.c2
5 files changed, 107 insertions, 7 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 8be99ebbe1c..77e11ddad83 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1673,3 +1673,16 @@ int zd_rfwritev_cr_locked(struct zd_chip *chip,
return 0;
}
+
+int zd_chip_set_multicast_hash(struct zd_chip *chip,
+ struct zd_mc_hash *hash)
+{
+ struct zd_ioreq32 ioreqs[] = {
+ { CR_GROUP_HASH_P1, hash->low },
+ { CR_GROUP_HASH_P2, hash->high },
+ };
+
+ dev_dbg_f(zd_chip_dev(chip), "hash l 0x%08x h 0x%08x\n",
+ ioreqs[0].value, ioreqs[1].value);
+ return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));
+}
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index ca892b9a644..a4e3cee9b59 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -390,10 +390,19 @@
#define CR_BSSID_P1 CTL_REG(0x0618)
#define CR_BSSID_P2 CTL_REG(0x061C)
#define CR_BCN_PLCP_CFG CTL_REG(0x0620)
+
+/* Group hash table for filtering incoming packets.
+ *
+ * The group hash table is 64 bit large and split over two parts. The first
+ * part is the lower part. The upper 6 bits of the last byte of the target
+ * address are used as index. Packets are received if the hash table bit is
+ * set. This is used for multicast handling, but for broadcasts (address
+ * ff:ff:ff:ff:ff:ff) the highest bit in the second table must also be set.
+ */
#define CR_GROUP_HASH_P1 CTL_REG(0x0624)
#define CR_GROUP_HASH_P2 CTL_REG(0x0628)
-#define CR_RX_TIMEOUT CTL_REG(0x062C)
+#define CR_RX_TIMEOUT CTL_REG(0x062C)
/* Basic rates supported by the BSS. When producing ACK or CTS messages, the
* device will use a rate in this table that is less than or equal to the rate
* of the incoming frame which prompted the response */
@@ -864,4 +873,36 @@ u8 zd_rx_strength_percent(u8 rssi);
u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status);
+struct zd_mc_hash {
+ u32 low;
+ u32 high;
+};
+
+static inline void zd_mc_clear(struct zd_mc_hash *hash)
+{
+ hash->low = 0;
+ /* The interfaces must always received broadcasts.
+ * The hash of the broadcast address ff:ff:ff:ff:ff:ff is 63.
+ */
+ hash->high = 0x80000000;
+}
+
+static inline void zd_mc_add_all(struct zd_mc_hash *hash)
+{
+ hash->low = hash->high = 0xffffffff;
+}
+
+static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr)
+{
+ unsigned int i = addr[5] >> 2;
+ if (i < 32) {
+ hash->low |= 1 << i;
+ } else {
+ hash->high |= 1 << (i-32);
+ }
+}
+
+int zd_chip_set_multicast_hash(struct zd_chip *chip,
+ struct zd_mc_hash *hash);
+
#endif /* _ZD_CHIP_H */
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index f1573a9c233..61c7916b765 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -39,6 +39,8 @@ static void housekeeping_init(struct zd_mac *mac);
static void housekeeping_enable(struct zd_mac *mac);
static void housekeeping_disable(struct zd_mac *mac);
+static void set_multicast_hash_handler(void *mac_ptr);
+
int zd_mac_init(struct zd_mac *mac,
struct net_device *netdev,
struct usb_interface *intf)
@@ -55,6 +57,8 @@ int zd_mac_init(struct zd_mac *mac,
softmac_init(ieee80211_priv(netdev));
zd_chip_init(&mac->chip, netdev, intf);
housekeeping_init(mac);
+ INIT_WORK(&mac->set_multicast_hash_work, set_multicast_hash_handler,
+ mac);
return 0;
}
@@ -136,6 +140,7 @@ out:
void zd_mac_clear(struct zd_mac *mac)
{
+ flush_workqueue(zd_workqueue);
zd_chip_clear(&mac->chip);
ZD_ASSERT(!spin_is_locked(&mac->lock));
ZD_MEMCLEAR(mac, sizeof(struct zd_mac));
@@ -256,6 +261,42 @@ int zd_mac_set_mac_address(struct net_device *netdev, void *p)
return 0;
}
+static void set_multicast_hash_handler(void *mac_ptr)
+{
+ struct zd_mac *mac = mac_ptr;
+ struct zd_mc_hash hash;
+
+ spin_lock_irq(&mac->lock);
+ hash = mac->multicast_hash;
+ spin_unlock_irq(&mac->lock);
+
+ zd_chip_set_multicast_hash(&mac->chip, &hash);
+}
+
+void zd_mac_set_multicast_list(struct net_device *dev)
+{
+ struct zd_mc_hash hash;
+ struct zd_mac *mac = zd_netdev_mac(dev);
+ struct dev_mc_list *mc;
+ unsigned long flags;
+
+ if (dev->flags & (IFF_PROMISC|IFF_ALLMULTI)) {
+ zd_mc_add_all(&hash);
+ } else {
+ zd_mc_clear(&hash);
+ for (mc = dev->mc_list; mc; mc = mc->next) {
+ dev_dbg_f(zd_mac_dev(mac), "mc addr " MAC_FMT "\n",
+ MAC_ARG(mc->dmi_addr));
+ zd_mc_add_addr(&hash, mc->dmi_addr);
+ }
+ }
+
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->multicast_hash = hash;
+ spin_unlock_irqrestore(&mac->lock, flags);
+ queue_work(zd_workqueue, &mac->set_multicast_hash_work);
+}
+
int zd_mac_set_regdomain(struct zd_mac *mac, u8 regdomain)
{
int r;
@@ -618,6 +659,9 @@ int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range)
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 20;
+ range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
+ IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
+
ZD_ASSERT(!irqs_disabled());
spin_lock_irq(&mac->lock);
regdomain = mac->regdomain;
@@ -930,7 +974,8 @@ static int is_data_packet_for_us(struct ieee80211_device *ieee,
}
return memcmp(hdr->addr1, netdev->dev_addr, ETH_ALEN) == 0 ||
- is_multicast_ether_addr(hdr->addr1) ||
+ (is_multicast_ether_addr(hdr->addr1) &&
+ memcmp(hdr->addr3, netdev->dev_addr, ETH_ALEN) != 0) ||
(netdev->flags & IFF_PROMISC);
}
@@ -1062,10 +1107,8 @@ int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length)
memcpy(skb_put(skb, length), buffer, length);
r = ieee80211_rx(ieee, skb, &stats);
- if (!r) {
- ZD_ASSERT(in_irq());
- dev_kfree_skb_irq(skb);
- }
+ if (!r)
+ dev_kfree_skb_any(skb);
return 0;
}
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index d4e8b870409..f0cf05dc7d3 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -133,6 +133,8 @@ struct zd_mac {
struct iw_statistics iw_stats;
struct housekeeping housekeeping;
+ struct work_struct set_multicast_hash_work;
+ struct zd_mc_hash multicast_hash;
struct delayed_work set_rts_cts_work;
struct delayed_work set_basic_rates_work;
@@ -189,6 +191,7 @@ int zd_mac_init_hw(struct zd_mac *mac, u8 device_type);
int zd_mac_open(struct net_device *netdev);
int zd_mac_stop(struct net_device *netdev);
int zd_mac_set_mac_address(struct net_device *dev, void *p);
+void zd_mac_set_multicast_list(struct net_device *netdev);
int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length);
diff --git a/drivers/net/wireless/zd1211rw/zd_netdev.c b/drivers/net/wireless/zd1211rw/zd_netdev.c
index 60f1b0f6d45..8bda48de31e 100644
--- a/drivers/net/wireless/zd1211rw/zd_netdev.c
+++ b/drivers/net/wireless/zd1211rw/zd_netdev.c
@@ -242,7 +242,7 @@ struct net_device *zd_netdev_alloc(struct usb_interface *intf)
netdev->open = zd_mac_open;
netdev->stop = zd_mac_stop;
/* netdev->get_stats = */
- /* netdev->set_multicast_list = */
+ netdev->set_multicast_list = zd_mac_set_multicast_list;
netdev->set_mac_address = zd_mac_set_mac_address;
netdev->wireless_handlers = &iw_handler_def;
/* netdev->ethtool_ops = */