Split each specific interrupt-time task out into its own function to
make airo_interrupt() actually readable.
Signed-off-by: Dan Williams <dcbw@xxxxxxxxxx>
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 2ff588b..a192c44 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -981,6 +981,14 @@ typedef struct {
dma_addr_t host_addr;
} TxFid;
+struct rx_hdr {
+ __le16 status, len;
+ u8 rssi[2];
+ u8 rate;
+ u8 freq;
+ __le16 tmp[4];
+} __attribute__ ((packed));
+
typedef struct {
unsigned int ctl: 15;
unsigned int rdy: 1;
@@ -3123,314 +3131,354 @@ static int header_len(__le16 ctl)
return 24;
}
-static irqreturn_t airo_interrupt(int irq, void *dev_id)
+static void airo_handle_cisco_mic(struct airo_info *ai)
{
- struct net_device *dev = dev_id;
+ if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
+ set_bit(JOB_MIC, &ai->jobs);
+ wake_up_interruptible(&ai->thr_wait);
+ }
+}
+
+/* Airo Status codes */
+#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
+#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
+#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
+#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
+#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
+#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
+#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
+#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
+#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
+#define STAT_ASSOC 0x0400 /* Associated */
+#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
+
+static void airo_print_status(const char *devname, u16 status)
+{
+ u8 reason = status & 0xFF;
+
+ switch (status) {
+ case STAT_NOBEACON:
+ airo_print_dbg(devname, "link lost (missed beacons)");
+ break;
+ case STAT_MAXRETRIES:
+ case STAT_MAXARL:
+ airo_print_dbg(devname, "link lost (max retries)");
+ break;
+ case STAT_FORCELOSS:
+ airo_print_dbg(devname, "link lost (local choice)");
+ break;
+ case STAT_TSFSYNC:
+ airo_print_dbg(devname, "link lost (TSF sync lost)");
+ break;
+ case STAT_DEAUTH:
+ airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
+ break;
+ case STAT_DISASSOC:
+ airo_print_dbg(devname, "disassociated (reason: %d)", reason);
+ break;
+ case STAT_ASSOC_FAIL:
+ airo_print_dbg(devname, "association failed (reason: %d)",
+ reason);
+ break;
+ case STAT_AUTH_FAIL:
+ airo_print_dbg(devname, "authentication failed (reason: %d)",
+ reason);
+ break;
+ default:
+ break;
+ }
+}
+
+static void airo_handle_link(struct airo_info *ai)
+{
+ union iwreq_data wrqu;
+ int scan_forceloss = 0;
u16 status;
- u16 fid;
- struct airo_info *apriv = dev->ml_priv;
- u16 savedInterrupts = 0;
- int handled = 0;
- if (!netif_device_present(dev))
- return IRQ_NONE;
+ /* Get new status and acknowledge the link change */
+ status = le16_to_cpu(IN4500(ai, LINKSTAT));
+ OUT4500(ai, EVACK, EV_LINK);
- for (;;) {
- status = IN4500( apriv, EVSTAT );
- if ( !(status & STATUS_INTS) || status == 0xffff ) break;
+ if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
+ scan_forceloss = 1;
- handled = 1;
+ airo_print_status(ai->dev->name, status);
- if ( status & EV_AWAKE ) {
- OUT4500( apriv, EVACK, EV_AWAKE );
- OUT4500( apriv, EVACK, EV_AWAKE );
- }
+ if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
+ if (auto_wep)
+ ai->expires = 0;
+ if (ai->list_bss_task)
+ wake_up_process(ai->list_bss_task);
+ set_bit(FLAG_UPDATE_UNI, &ai->flags);
+ set_bit(FLAG_UPDATE_MULTI, &ai->flags);
- if (!savedInterrupts) {
- savedInterrupts = IN4500( apriv, EVINTEN );
- OUT4500( apriv, EVINTEN, 0 );
+ if (down_trylock(&ai->sem) != 0) {
+ set_bit(JOB_EVENT, &ai->jobs);
+ wake_up_interruptible(&ai->thr_wait);
+ } else
+ airo_send_event(ai->dev);
+ } else if (!scan_forceloss) {
+ if (auto_wep && !ai->expires) {
+ ai->expires = RUN_AT(3*HZ);
+ wake_up_interruptible(&ai->thr_wait);
}
- if ( status & EV_MIC ) {
- OUT4500( apriv, EVACK, EV_MIC );
- if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
- set_bit(JOB_MIC, &apriv->jobs);
- wake_up_interruptible(&apriv->thr_wait);
- }
- }
- if ( status & EV_LINK ) {
- union iwreq_data wrqu;
- int scan_forceloss = 0;
- /* The link status has changed, if you want to put a
- monitor hook in, do it here. (Remember that
- interrupts are still disabled!)
- */
- u16 newStatus = IN4500(apriv, LINKSTAT);
- OUT4500( apriv, EVACK, EV_LINK);
- /* Here is what newStatus means: */
-#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
-#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
-#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
-#define FORCELOSS 0x8003 /* Loss of sync - host request */
-#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
-#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
-#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
-#define ASSFAIL 0x8400 /* Association failure (low byte is reason
- code) */
-#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
- code) */
-#define ASSOCIATED 0x0400 /* Associated */
-#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
-#define RC_RESERVED 0 /* Reserved return code */
-#define RC_NOREASON 1 /* Unspecified reason */
-#define RC_AUTHINV 2 /* Previous authentication invalid */
-#define RC_DEAUTH 3 /* Deauthenticated because sending station is
- leaving */
-#define RC_NOACT 4 /* Disassociated due to inactivity */
-#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
- all currently associated stations */
-#define RC_BADCLASS2 6 /* Class 2 frame received from
- non-Authenticated station */
-#define RC_BADCLASS3 7 /* Class 3 frame received from
- non-Associated station */
-#define RC_STATLEAVE 8 /* Disassociated because sending station is
- leaving BSS */
-#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
- Authenticated with the responding station */
- if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
- scan_forceloss = 1;
- if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
- if (auto_wep)
- apriv->expires = 0;
- if (apriv->list_bss_task)
- wake_up_process(apriv->list_bss_task);
- set_bit(FLAG_UPDATE_UNI, &apriv->flags);
- set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
-
- if (down_trylock(&apriv->sem) != 0) {
- set_bit(JOB_EVENT, &apriv->jobs);
- wake_up_interruptible(&apriv->thr_wait);
- } else
- airo_send_event(dev);
- } else if (!scan_forceloss) {
- if (auto_wep && !apriv->expires) {
- apriv->expires = RUN_AT(3*HZ);
- wake_up_interruptible(&apriv->thr_wait);
- }
+ /* Send event to user space */
+ memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
+ }
+}
- /* Send event to user space */
- memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
- }
- }
+static void airo_handle_rx(struct airo_info *ai)
+{
+ struct sk_buff *skb = NULL;
+ __le16 fc, v, *buffer, tmpbuf[4];
+ u16 len, hdrlen = 0, gap, fid;
+ struct rx_hdr hdr;
+ int success = 0;
- /* Check to see if there is something to receive */
- if ( status & EV_RX ) {
- struct sk_buff *skb = NULL;
- __le16 fc, v;
- u16 len, hdrlen = 0;
-#pragma pack(1)
- struct {
- __le16 status, len;
- u8 rssi[2];
- u8 rate;
- u8 freq;
- __le16 tmp[4];
- } hdr;
-#pragma pack()
- u16 gap;
- __le16 tmpbuf[4];
- __le16 *buffer;
-
- if (test_bit(FLAG_MPI,&apriv->flags)) {
- if (test_bit(FLAG_802_11, &apriv->flags))
- mpi_receive_802_11(apriv);
- else
- mpi_receive_802_3(apriv);
- OUT4500(apriv, EVACK, EV_RX);
- goto exitrx;
- }
+ if (test_bit(FLAG_MPI, &ai->flags)) {
+ if (test_bit(FLAG_802_11, &ai->flags))
+ mpi_receive_802_11(ai);
+ else
+ mpi_receive_802_3(ai);
+ OUT4500(ai, EVACK, EV_RX);
+ return;
+ }
- fid = IN4500( apriv, RXFID );
-
- /* Get the packet length */
- if (test_bit(FLAG_802_11, &apriv->flags)) {
- bap_setup (apriv, fid, 4, BAP0);
- bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0);
- /* Bad CRC. Ignore packet */
- if (le16_to_cpu(hdr.status) & 2)
- hdr.len = 0;
- if (apriv->wifidev == NULL)
- hdr.len = 0;
- } else {
- bap_setup (apriv, fid, 0x36, BAP0);
- bap_read (apriv, &hdr.len, 2, BAP0);
- }
- len = le16_to_cpu(hdr.len);
+ fid = IN4500(ai, RXFID);
- if (len > AIRO_DEF_MTU) {
- airo_print_err(apriv->dev->name, "Bad size %d", len);
- goto badrx;
- }
- if (len == 0)
- goto badrx;
+ /* Get the packet length */
+ if (test_bit(FLAG_802_11, &ai->flags)) {
+ bap_setup (ai, fid, 4, BAP0);
+ bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
+ /* Bad CRC. Ignore packet */
+ if (le16_to_cpu(hdr.status) & 2)
+ hdr.len = 0;
+ if (ai->wifidev == NULL)
+ hdr.len = 0;
+ } else {
+ bap_setup(ai, fid, 0x36, BAP0);
+ bap_read(ai, &hdr.len, 2, BAP0);
+ }
+ len = le16_to_cpu(hdr.len);
- if (test_bit(FLAG_802_11, &apriv->flags)) {
- bap_read (apriv, &fc, sizeof(fc), BAP0);
- hdrlen = header_len(fc);
- } else
- hdrlen = ETH_ALEN * 2;
+ if (len > AIRO_DEF_MTU) {
+ airo_print_err(ai->dev->name, "Bad size %d", len);
+ goto done;
+ }
+ if (len == 0)
+ goto done;
- skb = dev_alloc_skb( len + hdrlen + 2 + 2 );
- if ( !skb ) {
- dev->stats.rx_dropped++;
- goto badrx;
- }
- skb_reserve(skb, 2); /* This way the IP header is aligned */
- buffer = (__le16*)skb_put (skb, len + hdrlen);
- if (test_bit(FLAG_802_11, &apriv->flags)) {
- buffer[0] = fc;
- bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
- if (hdrlen == 24)
- bap_read (apriv, tmpbuf, 6, BAP0);
-
- bap_read (apriv, &v, sizeof(v), BAP0);
- gap = le16_to_cpu(v);
- if (gap) {
- if (gap <= 8) {
- bap_read (apriv, tmpbuf, gap, BAP0);
- } else {
- airo_print_err(apriv->dev->name, "gaplen too "
- "big. Problems will follow...");
- }
- }
- bap_read (apriv, buffer + hdrlen/2, len, BAP0);
+ if (test_bit(FLAG_802_11, &ai->flags)) {
+ bap_read(ai, &fc, sizeof (fc), BAP0);
+ hdrlen = header_len(fc);
+ } else
+ hdrlen = ETH_ALEN * 2;
+
+ skb = dev_alloc_skb(len + hdrlen + 2 + 2);
+ if (!skb) {
+ ai->dev->stats.rx_dropped++;
+ goto done;
+ }
+
+ skb_reserve(skb, 2); /* This way the IP header is aligned */
+ buffer = (__le16 *) skb_put(skb, len + hdrlen);
+ if (test_bit(FLAG_802_11, &ai->flags)) {
+ buffer[0] = fc;
+ bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
+ if (hdrlen == 24)
+ bap_read(ai, tmpbuf, 6, BAP0);
+
+ bap_read(ai, &v, sizeof(v), BAP0);
+ gap = le16_to_cpu(v);
+ if (gap) {
+ if (gap <= 8) {
+ bap_read(ai, tmpbuf, gap, BAP0);
} else {
- MICBuffer micbuf;
- bap_read (apriv, buffer, ETH_ALEN*2, BAP0);
- if (apriv->micstats.enabled) {
- bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0);
- if (ntohs(micbuf.typelen) > 0x05DC)
- bap_setup (apriv, fid, 0x44, BAP0);
- else {
- if (len <= sizeof(micbuf))
- goto badmic;
-
- len -= sizeof(micbuf);
- skb_trim (skb, len + hdrlen);
- }
- }
- bap_read(apriv,buffer+ETH_ALEN,len,BAP0);
- if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) {
-badmic:
- dev_kfree_skb_irq (skb);
-badrx:
- OUT4500( apriv, EVACK, EV_RX);
- goto exitrx;
+ airo_print_err(ai->dev->name, "gaplen too "
+ "big. Problems will follow...");
+ }
+ }
+ bap_read(ai, buffer + hdrlen/2, len, BAP0);
+ } else {
+ MICBuffer micbuf;
+
+ bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
+ if (ai->micstats.enabled) {
+ bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
+ if (ntohs(micbuf.typelen) > 0x05DC)
+ bap_setup(ai, fid, 0x44, BAP0);
+ else {
+ if (len <= sizeof (micbuf)) {
+ dev_kfree_skb_irq(skb);
+ goto done;
}
+
+ len -= sizeof(micbuf);
+ skb_trim(skb, len + hdrlen);
}
+ }
+
+ bap_read(ai, buffer + ETH_ALEN, len, BAP0);
+ if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
+ dev_kfree_skb_irq (skb);
+ else
+ success = 1;
+ }
+
#ifdef WIRELESS_SPY
- if (apriv->spy_data.spy_number > 0) {
- char *sa;
- struct iw_quality wstats;
- /* Prepare spy data : addr + qual */
- if (!test_bit(FLAG_802_11, &apriv->flags)) {
- sa = (char*)buffer + 6;
- bap_setup (apriv, fid, 8, BAP0);
- bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0);
- } else
- sa = (char*)buffer + 10;
- wstats.qual = hdr.rssi[0];
- if (apriv->rssi)
- wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
- else
- wstats.level = (hdr.rssi[1] + 321) / 2;
- wstats.noise = apriv->wstats.qual.noise;
- wstats.updated = IW_QUAL_LEVEL_UPDATED
- | IW_QUAL_QUAL_UPDATED
- | IW_QUAL_DBM;
- /* Update spy records */
- wireless_spy_update(dev, sa, &wstats);
- }
+ if (success && (ai->spy_data.spy_number > 0)) {
+ char *sa;
+ struct iw_quality wstats;
+
+ /* Prepare spy data : addr + qual */
+ if (!test_bit(FLAG_802_11, &ai->flags)) {
+ sa = (char *) buffer + 6;
+ bap_setup(ai, fid, 8, BAP0);
+ bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
+ } else
+ sa = (char *) buffer + 10;
+ wstats.qual = hdr.rssi[0];
+ if (ai->rssi)
+ wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
+ else
+ wstats.level = (hdr.rssi[1] + 321) / 2;
+ wstats.noise = ai->wstats.qual.noise;
+ wstats.updated = IW_QUAL_LEVEL_UPDATED
+ | IW_QUAL_QUAL_UPDATED
+ | IW_QUAL_DBM;
+ /* Update spy records */
+ wireless_spy_update(ai->dev, sa, &wstats);
+ }
#endif /* WIRELESS_SPY */
- OUT4500( apriv, EVACK, EV_RX);
- if (test_bit(FLAG_802_11, &apriv->flags)) {
- skb_reset_mac_header(skb);
- skb->pkt_type = PACKET_OTHERHOST;
- skb->dev = apriv->wifidev;
- skb->protocol = htons(ETH_P_802_2);
- } else
- skb->protocol = eth_type_trans(skb,dev);
- skb->ip_summed = CHECKSUM_NONE;
+done:
+ OUT4500(ai, EVACK, EV_RX);
+
+ if (success) {
+ if (test_bit(FLAG_802_11, &ai->flags)) {
+ skb_reset_mac_header(skb);
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->dev = ai->wifidev;
+ skb->protocol = htons(ETH_P_802_2);
+ } else
+ skb->protocol = eth_type_trans(skb, ai->dev);
+ skb->ip_summed = CHECKSUM_NONE;
+
+ netif_rx(skb);
+ }
+}
+
+static void airo_handle_tx(struct airo_info *ai, u16 status)
+{
+ int i, len = 0, index = -1;
+ u16 fid;
- netif_rx( skb );
+ if (test_bit(FLAG_MPI, &ai->flags)) {
+ unsigned long flags;
+
+ if (status & EV_TXEXC)
+ get_tx_error(ai, -1);
+
+ spin_lock_irqsave(&ai->aux_lock, flags);
+ if (!skb_queue_empty(&ai->txq)) {
+ spin_unlock_irqrestore(&ai->aux_lock,flags);
+ mpi_send_packet(ai->dev);
+ } else {
+ clear_bit(FLAG_PENDING_XMIT, &ai->flags);
+ spin_unlock_irqrestore(&ai->aux_lock,flags);
+ netif_wake_queue(ai->dev);
}
-exitrx:
+ OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
+ return;
+ }
- /* Check to see if a packet has been transmitted */
- if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) {
- int i;
- int len = 0;
- int index = -1;
-
- if (test_bit(FLAG_MPI,&apriv->flags)) {
- unsigned long flags;
-
- if (status & EV_TXEXC)
- get_tx_error(apriv, -1);
- spin_lock_irqsave(&apriv->aux_lock, flags);
- if (!skb_queue_empty(&apriv->txq)) {
- spin_unlock_irqrestore(&apriv->aux_lock,flags);
- mpi_send_packet (dev);
- } else {
- clear_bit(FLAG_PENDING_XMIT, &apriv->flags);
- spin_unlock_irqrestore(&apriv->aux_lock,flags);
- netif_wake_queue (dev);
- }
- OUT4500( apriv, EVACK,
- status & (EV_TX|EV_TXCPY|EV_TXEXC));
- goto exittx;
- }
+ fid = IN4500(ai, TXCOMPLFID);
+
+ for(i = 0; i < MAX_FIDS; i++) {
+ if ((ai->fids[i] & 0xffff) == fid) {
+ len = ai->fids[i] >> 16;
+ index = i;
+ }
+ }
- fid = IN4500(apriv, TXCOMPLFID);
+ if (index != -1) {
+ if (status & EV_TXEXC)
+ get_tx_error(ai, index);
- for( i = 0; i < MAX_FIDS; i++ ) {
- if ( ( apriv->fids[i] & 0xffff ) == fid ) {
- len = apriv->fids[i] >> 16;
- index = i;
- }
- }
- if (index != -1) {
- if (status & EV_TXEXC)
- get_tx_error(apriv, index);
- OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
- /* Set up to be used again */
- apriv->fids[index] &= 0xffff;
- if (index < MAX_FIDS / 2) {
- if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags))
- netif_wake_queue(dev);
- } else {
- if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags))
- netif_wake_queue(apriv->wifidev);
- }
- } else {
- OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
- airo_print_err(apriv->dev->name, "Unallocated FID was "
- "used to xmit" );
- }
+ OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
+
+ /* Set up to be used again */
+ ai->fids[index] &= 0xffff;
+ if (index < MAX_FIDS / 2) {
+ if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
+ netif_wake_queue(ai->dev);
+ } else {
+ if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
+ netif_wake_queue(ai->wifidev);
}
-exittx:
- if ( status & ~STATUS_INTS & ~IGNORE_INTS )
- airo_print_warn(apriv->dev->name, "Got weird status %x",
+ } else {
+ OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
+ airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
+ }
+}
+
+static irqreturn_t airo_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev = dev_id;
+ u16 status, savedInterrupts = 0;
+ struct airo_info *ai = dev->ml_priv;
+ int handled = 0;
+
+ if (!netif_device_present(dev))
+ return IRQ_NONE;
+
+ for (;;) {
+ status = IN4500(ai, EVSTAT);
+ if (!(status & STATUS_INTS) || (status == 0xffff))
+ break;
+
+ handled = 1;
+
+ if (status & EV_AWAKE) {
+ OUT4500(ai, EVACK, EV_AWAKE);
+ OUT4500(ai, EVACK, EV_AWAKE);
+ }
+
+ if (!savedInterrupts) {
+ savedInterrupts = IN4500(ai, EVINTEN);
+ OUT4500(ai, EVINTEN, 0);
+ }
+
+ if (status & EV_MIC) {
+ OUT4500(ai, EVACK, EV_MIC);
+ airo_handle_cisco_mic(ai);
+ }
+
+ if (status & EV_LINK) {
+ /* Link status changed */
+ airo_handle_link(ai);
+ }
+
+ /* Check to see if there is something to receive */
+ if (status & EV_RX)
+ airo_handle_rx(ai);
+
+ /* Check to see if a packet has been transmitted */
+ if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
+ airo_handle_tx(ai, status);
+
+ if ( status & ~STATUS_INTS & ~IGNORE_INTS ) {
+ airo_print_warn(ai->dev->name, "Got weird status %x",
status & ~STATUS_INTS & ~IGNORE_INTS );
+ }
}
if (savedInterrupts)
- OUT4500( apriv, EVINTEN, savedInterrupts );
+ OUT4500(ai, EVINTEN, savedInterrupts);
- /* done.. */
return IRQ_RETVAL(handled);
}
@@ -3609,18 +3657,10 @@ static void mpi_receive_802_11(struct airo_info *ai)
struct sk_buff *skb = NULL;
u16 len, hdrlen = 0;
__le16 fc;
-#pragma pack(1)
- struct {
- __le16 status, len;
- u8 rssi[2];
- u8 rate;
- u8 freq;
- __le16 tmp[4];
- } hdr;
-#pragma pack()
+ struct rx_hdr hdr;
u16 gap;
u16 *buffer;
- char *ptr = ai->rxfids[0].virtual_host_addr+4;
+ char *ptr = ai->rxfids[0].virtual_host_addr + 4;
memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd));
memcpy ((char *)&hdr, ptr, sizeof(hdr));
@@ -3687,6 +3727,7 @@ static void mpi_receive_802_11(struct airo_info *ai)
skb->protocol = htons(ETH_P_802_2);
skb->ip_summed = CHECKSUM_NONE;
netif_rx( skb );
+
badrx:
if (rxd.valid == 0) {
rxd.valid = 1;
--
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