#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/pci.h>
MWL8K_A2H_INT_RX_READY | \
MWL8K_A2H_INT_TX_DONE)
-/* WME stream classes */
-#define WME_AC_BE 0 /* best effort */
-#define WME_AC_BK 1 /* background */
-#define WME_AC_VI 2 /* video */
-#define WME_AC_VO 3 /* voice */
-
#define MWL8K_RX_QUEUES 1
#define MWL8K_TX_QUEUES 4
/* PHY parameters */
struct ieee80211_supported_band band;
struct ieee80211_channel channels[14];
- struct ieee80211_rate rates[12];
+ struct ieee80211_rate rates[13];
bool radio_on;
bool radio_short_preamble;
+ bool sniffer_enabled;
bool wmm_enabled;
/* XXX need to convert this to handle multiple interfaces */
* Subset of supported legacy rates.
* Intersection of AP and STA supported rates.
*/
- struct ieee80211_rate legacy_rates[12];
+ struct ieee80211_rate legacy_rates[13];
/* number of supported legacy rates */
u8 legacy_nrates;
{ .bitrate = 10, .hw_value = 2, },
{ .bitrate = 20, .hw_value = 4, },
{ .bitrate = 55, .hw_value = 11, },
+ { .bitrate = 110, .hw_value = 22, },
+ { .bitrate = 220, .hw_value = 44, },
{ .bitrate = 60, .hw_value = 12, },
{ .bitrate = 90, .hw_value = 18, },
- { .bitrate = 110, .hw_value = 22, },
{ .bitrate = 120, .hw_value = 24, },
{ .bitrate = 180, .hw_value = 36, },
{ .bitrate = 240, .hw_value = 48, },
#define MWL8K_CMD_MIMO_CONFIG 0x0125
#define MWL8K_CMD_USE_FIXED_RATE 0x0126
#define MWL8K_CMD_ENABLE_SNIFFER 0x0150
+#define MWL8K_CMD_SET_MAC_ADDR 0x0202
#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
#define MWL8K_CMD_UPDATE_STADB 0x1123
MWL8K_CMDNAME(MIMO_CONFIG);
MWL8K_CMDNAME(USE_FIXED_RATE);
MWL8K_CMDNAME(ENABLE_SNIFFER);
+ MWL8K_CMDNAME(SET_MAC_ADDR);
MWL8K_CMDNAME(SET_RATEADAPT_MODE);
MWL8K_CMDNAME(UPDATE_STADB);
default:
break;
}
+ cond_resched();
udelay(1);
} while (--loops);
/* Peer Entry flags - used to define the type of the peer node */
#define MWL8K_PEER_TYPE_ACCESSPOINT 2
-#define MWL8K_IEEE_LEGACY_DATA_RATES 12
+#define MWL8K_IEEE_LEGACY_DATA_RATES 13
#define MWL8K_MCS_BITMAP_SIZE 16
struct peer_capability_info {
#define MWL8K_RX_DESCS 256
#define MWL8K_RX_MAXSZ 3800
+#define RATE_INFO_SHORTPRE 0x8000
+#define RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3)
+#define RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f)
+#define RATE_INFO_40MHZ 0x0004
+#define RATE_INFO_SHORTGI 0x0002
+#define RATE_INFO_MCS_FORMAT 0x0001
+
static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
{
struct mwl8k_priv *priv = hw->priv;
struct ieee80211_rx_status status;
unsigned long addr;
struct ieee80211_hdr *wh;
+ u16 rate_info;
rx_desc = rxq->rx_desc_area + rxq->rx_head;
if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST))
if (mwl8k_capture_bssid(priv, wh))
mwl8k_save_beacon(hw, skb);
+ rate_info = le16_to_cpu(rx_desc->rate_info);
+
memset(&status, 0, sizeof(status));
status.mactime = 0;
status.signal = -rx_desc->rssi;
status.noise = -rx_desc->noise_level;
status.qual = rx_desc->link_quality;
- status.antenna = 1;
- status.rate_idx = 1;
+ status.antenna = RATE_INFO_ANTSELECT(rate_info);
+ status.rate_idx = RATE_INFO_RATEID(rate_info);
status.flag = 0;
+ if (rate_info & RATE_INFO_SHORTPRE)
+ status.flag |= RX_FLAG_SHORTPRE;
+ if (rate_info & RATE_INFO_40MHZ)
+ status.flag |= RX_FLAG_40MHZ;
+ if (rate_info & RATE_INFO_SHORTGI)
+ status.flag |= RX_FLAG_SHORT_GI;
+ if (rate_info & RATE_INFO_MCS_FORMAT)
+ status.flag |= RX_FLAG_HT;
status.band = IEEE80211_BAND_2GHZ;
status.freq = ieee80211_channel_to_frequency(rx_desc->channel);
memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
* Packet transmission.
*/
-/* Transmit queue assignment. */
-enum {
- MWL8K_WME_AC_BK = 0, /* background access */
- MWL8K_WME_AC_BE = 1, /* best effort access */
- MWL8K_WME_AC_VI = 2, /* video access */
- MWL8K_WME_AC_VO = 3, /* voice access */
-};
-
/* Transmit packet ACK policy */
#define MWL8K_TXD_ACK_POLICY_NORMAL 0
#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3
-#define GET_TXQ(_ac) (\
- ((_ac) == WME_AC_VO) ? MWL8K_WME_AC_VO : \
- ((_ac) == WME_AC_VI) ? MWL8K_WME_AC_VI : \
- ((_ac) == WME_AC_BK) ? MWL8K_WME_AC_BK : \
- MWL8K_WME_AC_BE)
-
#define MWL8K_TXD_STATUS_OK 0x00000001
#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002
#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004
}
/*
+ * CMD_SET_MAC_ADDR.
+ */
+struct mwl8k_cmd_set_mac_addr {
+ struct mwl8k_cmd_pkt header;
+ __u8 mac_addr[ETH_ALEN];
+} __attribute__((packed));
+
+static int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
+{
+ struct mwl8k_cmd_set_mac_addr *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ memcpy(cmd->mac_addr, mac, ETH_ALEN);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+
+/*
* CMD_SET_RATEADAPT_MODE.
*/
struct mwl8k_cmd_set_rate_adapt_mode {
if (cmd == NULL)
return -ENOMEM;
+ /*
+ * Queues 0 (BE) and 1 (BK) are swapped in hardware for
+ * this call.
+ */
+ qnum ^= !(qnum >> 1);
+
cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);
if (conf->type != NL80211_IFTYPE_STATION)
return -EINVAL;
+ /*
+ * Reject interface creation if sniffer mode is active, as
+ * STA operation is mutually exclusive with hardware sniffer
+ * mode.
+ */
+ if (priv->sniffer_enabled) {
+ printk(KERN_INFO "%s: unable to create STA "
+ "interface due to sniffer mode being enabled\n",
+ wiphy_name(hw->wiphy));
+ return -EINVAL;
+ }
+
/* Clean out driver private area */
mwl8k_vif = MWL8K_VIF(conf->vif);
memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
- /* Save the mac address */
+ /* Set and save the mac address */
+ mwl8k_set_mac_addr(hw, conf->mac_addr);
memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN);
/* Back pointer to parent config block */
if (priv->vif == NULL)
return;
+ mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
+
priv->vif = NULL;
}
return (unsigned long)cmd;
}
+static int
+mwl8k_configure_filter_sniffer(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ /*
+ * Hardware sniffer mode is mutually exclusive with STA
+ * operation, so refuse to enable sniffer mode if a STA
+ * interface is active.
+ */
+ if (priv->vif != NULL) {
+ if (net_ratelimit())
+ printk(KERN_INFO "%s: not enabling sniffer "
+ "mode because STA interface is active\n",
+ wiphy_name(hw->wiphy));
+ return 0;
+ }
+
+ if (!priv->sniffer_enabled) {
+ if (mwl8k_enable_sniffer(hw, 1))
+ return 0;
+ priv->sniffer_enabled = true;
+ }
+
+ *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI |
+ FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL |
+ FIF_OTHER_BSS;
+
+ return 1;
+}
+
static void mwl8k_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_pkt *cmd;
+ struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast;
+
+ /*
+ * Enable hardware sniffer mode if FIF_CONTROL or
+ * FIF_OTHER_BSS is requested.
+ */
+ if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) &&
+ mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) {
+ kfree(cmd);
+ return;
+ }
/* Clear unsupported feature flags */
*total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
if (mwl8k_fw_lock(hw))
return;
+ if (priv->sniffer_enabled) {
+ mwl8k_enable_sniffer(hw, 0);
+ priv->sniffer_enabled = false;
+ }
+
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
/*
}
}
- cmd = (void *)(unsigned long)multicast;
-
/*
* If FIF_ALLMULTI is being requested, throw away the command
* packet that ->prepare_multicast() built and replace it with
priv = hw->priv;
priv->hw = hw;
priv->pdev = pdev;
+ priv->sniffer_enabled = false;
priv->wmm_enabled = false;
priv->pending_tx_pkts = 0;
goto err_stop_firmware;
}
+ /* Clear MAC address */
+ rc = mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot clear MAC address\n",
+ wiphy_name(hw->wiphy));
+ goto err_stop_firmware;
+ }
+
/* Disable interrupts */
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
free_irq(priv->pdev->irq, hw);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff