Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[powerpc.git] / drivers / net / wireless / zd1211rw / zd_mac.c

diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index a085241..4c5f78e 100644 (file)
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -156,7 +156,7 @@ void zd_mac_clear(struct zd_mac *mac)
 static int reset_mode(struct zd_mac *mac)
 {
        struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
-       struct zd_ioreq32 ioreqs[3] = {
+       struct zd_ioreq32 ioreqs[] = {
                { CR_RX_FILTER, STA_RX_FILTER },
                { CR_SNIFFER_ON, 0U },
        };
@@ -164,10 +164,9 @@ static int reset_mode(struct zd_mac *mac)
        if (ieee->iw_mode == IW_MODE_MONITOR) {
                ioreqs[0].value = 0xffffffff;
                ioreqs[1].value = 0x1;
-               ioreqs[2].value = ENC_SNIFFER;
        }
 
-       return zd_iowrite32a(&mac->chip, ioreqs, 3);
+       return zd_iowrite32a(&mac->chip, ioreqs, ARRAY_SIZE(ioreqs));
 }
 
 int zd_mac_open(struct net_device *netdev)
@@ -904,16 +903,21 @@ static int fill_ctrlset(struct zd_mac *mac,
 static int zd_mac_tx(struct zd_mac *mac, struct ieee80211_txb *txb, int pri)
 {
        int i, r;
+       struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
 
        for (i = 0; i < txb->nr_frags; i++) {
                struct sk_buff *skb = txb->fragments[i];
 
                r = fill_ctrlset(mac, txb, i);
-               if (r)
+               if (r) {
+                       ieee->stats.tx_dropped++;
                        return r;
+               }
                r = zd_usb_tx(&mac->chip.usb, skb->data, skb->len);
-               if (r)
+               if (r) {
+                       ieee->stats.tx_dropped++;
                        return r;
+               }
        }
 
        /* FIXME: shouldn't this be handled by the upper layers? */
@@ -1063,9 +1067,23 @@ static int fill_rx_stats(struct ieee80211_rx_stats *stats,
 
        *pstatus = status = zd_tail(buffer, length, sizeof(struct rx_status));
        if (status->frame_status & ZD_RX_ERROR) {
-               /* FIXME: update? */
+               struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
+               ieee->stats.rx_errors++;
+               if (status->frame_status & ZD_RX_TIMEOUT_ERROR)
+                       ieee->stats.rx_missed_errors++;
+               else if (status->frame_status & ZD_RX_FIFO_OVERRUN_ERROR)
+                       ieee->stats.rx_fifo_errors++;
+               else if (status->frame_status & ZD_RX_DECRYPTION_ERROR)
+                       ieee->ieee_stats.rx_discards_undecryptable++;
+               else if (status->frame_status & ZD_RX_CRC32_ERROR) {
+                       ieee->stats.rx_crc_errors++;
+                       ieee->ieee_stats.rx_fcs_errors++;
+               }
+               else if (status->frame_status & ZD_RX_CRC16_ERROR)
+                       ieee->stats.rx_crc_errors++;
                return -EINVAL;
        }
+
        memset(stats, 0, sizeof(struct ieee80211_rx_stats));
        stats->len = length - (ZD_PLCP_HEADER_SIZE + IEEE80211_FCS_LEN +
                               + sizeof(struct rx_status));
@@ -1094,14 +1112,16 @@ static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb)
        if (skb->len < ZD_PLCP_HEADER_SIZE + IEEE80211_1ADDR_LEN +
                       IEEE80211_FCS_LEN + sizeof(struct rx_status))
        {
-               dev_dbg_f(zd_mac_dev(mac), "Packet with length %u to small.\n",
-                        skb->len);
+               ieee->stats.rx_errors++;
+               ieee->stats.rx_length_errors++;
                goto free_skb;
        }
 
        r = fill_rx_stats(&stats, &status, mac, skb->data, skb->len);
        if (r) {
-               /* Only packets with rx errors are included here. */
+               /* Only packets with rx errors are included here.
+                * The error stats have already been set in fill_rx_stats.
+                */
                goto free_skb;
        }
 
@@ -1114,8 +1134,10 @@ static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb)
 
        r = filter_rx(ieee, skb->data, skb->len, &stats);
        if (r <= 0) {
-               if (r < 0)
+               if (r < 0) {
+                       ieee->stats.rx_errors++;
                        dev_dbg_f(zd_mac_dev(mac), "Error in packet.\n");
+               }
                goto free_skb;
        }
 
@@ -1146,7 +1168,9 @@ int zd_mac_rx_irq(struct zd_mac *mac, const u8 *buffer, unsigned int length)
 
        skb = dev_alloc_skb(sizeof(struct zd_rt_hdr) + length);
        if (!skb) {
+               struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
                dev_warn(zd_mac_dev(mac), "Could not allocate skb.\n");
+               ieee->stats.rx_dropped++;
                return -ENOMEM;
        }
        skb_reserve(skb, sizeof(struct zd_rt_hdr));