airo: clean up and clarify interrupt-time task handling
Split each specific interrupt-time task out into its own function to make airo_interrupt() actually readable. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams
John W. Linville
parent
0d21044eff
commit
f55d4517eb
@ -981,6 +981,14 @@ typedef struct {
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dma_addr_t host_addr;
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} TxFid;
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struct rx_hdr {
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__le16 status, len;
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u8 rssi[2];
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u8 rate;
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u8 freq;
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__le16 tmp[4];
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} __attribute__ ((packed));
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typedef struct {
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unsigned int ctl: 15;
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unsigned int rdy: 1;
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@ -3123,314 +3131,354 @@ static int header_len(__le16 ctl)
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return 24;
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}
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static void airo_handle_cisco_mic(struct airo_info *ai)
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{
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if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) {
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set_bit(JOB_MIC, &ai->jobs);
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wake_up_interruptible(&ai->thr_wait);
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}
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}
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/* Airo Status codes */
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#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */
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#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */
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#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
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#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */
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#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
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#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */
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#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */
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#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */
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#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */
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#define STAT_ASSOC 0x0400 /* Associated */
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#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
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static void airo_print_status(const char *devname, u16 status)
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{
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u8 reason = status & 0xFF;
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switch (status) {
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case STAT_NOBEACON:
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airo_print_dbg(devname, "link lost (missed beacons)");
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break;
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case STAT_MAXRETRIES:
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case STAT_MAXARL:
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airo_print_dbg(devname, "link lost (max retries)");
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break;
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case STAT_FORCELOSS:
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airo_print_dbg(devname, "link lost (local choice)");
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break;
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case STAT_TSFSYNC:
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airo_print_dbg(devname, "link lost (TSF sync lost)");
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break;
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case STAT_DEAUTH:
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airo_print_dbg(devname, "deauthenticated (reason: %d)", reason);
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break;
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case STAT_DISASSOC:
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airo_print_dbg(devname, "disassociated (reason: %d)", reason);
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break;
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case STAT_ASSOC_FAIL:
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airo_print_dbg(devname, "association failed (reason: %d)",
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reason);
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break;
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case STAT_AUTH_FAIL:
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airo_print_dbg(devname, "authentication failed (reason: %d)",
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reason);
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break;
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default:
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break;
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}
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}
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static void airo_handle_link(struct airo_info *ai)
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{
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union iwreq_data wrqu;
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int scan_forceloss = 0;
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u16 status;
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/* Get new status and acknowledge the link change */
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status = le16_to_cpu(IN4500(ai, LINKSTAT));
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OUT4500(ai, EVACK, EV_LINK);
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if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0))
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scan_forceloss = 1;
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airo_print_status(ai->dev->name, status);
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if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) {
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if (auto_wep)
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ai->expires = 0;
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if (ai->list_bss_task)
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wake_up_process(ai->list_bss_task);
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set_bit(FLAG_UPDATE_UNI, &ai->flags);
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set_bit(FLAG_UPDATE_MULTI, &ai->flags);
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if (down_trylock(&ai->sem) != 0) {
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set_bit(JOB_EVENT, &ai->jobs);
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wake_up_interruptible(&ai->thr_wait);
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} else
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airo_send_event(ai->dev);
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} else if (!scan_forceloss) {
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if (auto_wep && !ai->expires) {
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ai->expires = RUN_AT(3*HZ);
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wake_up_interruptible(&ai->thr_wait);
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}
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/* Send event to user space */
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memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
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wrqu.ap_addr.sa_family = ARPHRD_ETHER;
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wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL);
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}
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}
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static void airo_handle_rx(struct airo_info *ai)
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{
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struct sk_buff *skb = NULL;
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__le16 fc, v, *buffer, tmpbuf[4];
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u16 len, hdrlen = 0, gap, fid;
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struct rx_hdr hdr;
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int success = 0;
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if (test_bit(FLAG_MPI, &ai->flags)) {
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if (test_bit(FLAG_802_11, &ai->flags))
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mpi_receive_802_11(ai);
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else
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mpi_receive_802_3(ai);
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OUT4500(ai, EVACK, EV_RX);
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return;
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}
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fid = IN4500(ai, RXFID);
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/* Get the packet length */
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if (test_bit(FLAG_802_11, &ai->flags)) {
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bap_setup (ai, fid, 4, BAP0);
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bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0);
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/* Bad CRC. Ignore packet */
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if (le16_to_cpu(hdr.status) & 2)
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hdr.len = 0;
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if (ai->wifidev == NULL)
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hdr.len = 0;
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} else {
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bap_setup(ai, fid, 0x36, BAP0);
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bap_read(ai, &hdr.len, 2, BAP0);
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}
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len = le16_to_cpu(hdr.len);
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if (len > AIRO_DEF_MTU) {
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airo_print_err(ai->dev->name, "Bad size %d", len);
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goto done;
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}
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if (len == 0)
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goto done;
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if (test_bit(FLAG_802_11, &ai->flags)) {
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bap_read(ai, &fc, sizeof (fc), BAP0);
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hdrlen = header_len(fc);
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} else
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hdrlen = ETH_ALEN * 2;
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skb = dev_alloc_skb(len + hdrlen + 2 + 2);
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if (!skb) {
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ai->dev->stats.rx_dropped++;
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goto done;
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}
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skb_reserve(skb, 2); /* This way the IP header is aligned */
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buffer = (__le16 *) skb_put(skb, len + hdrlen);
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if (test_bit(FLAG_802_11, &ai->flags)) {
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buffer[0] = fc;
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bap_read(ai, buffer + 1, hdrlen - 2, BAP0);
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if (hdrlen == 24)
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bap_read(ai, tmpbuf, 6, BAP0);
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bap_read(ai, &v, sizeof(v), BAP0);
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gap = le16_to_cpu(v);
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if (gap) {
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if (gap <= 8) {
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bap_read(ai, tmpbuf, gap, BAP0);
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} else {
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airo_print_err(ai->dev->name, "gaplen too "
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"big. Problems will follow...");
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}
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}
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bap_read(ai, buffer + hdrlen/2, len, BAP0);
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} else {
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MICBuffer micbuf;
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bap_read(ai, buffer, ETH_ALEN * 2, BAP0);
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if (ai->micstats.enabled) {
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bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0);
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if (ntohs(micbuf.typelen) > 0x05DC)
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bap_setup(ai, fid, 0x44, BAP0);
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else {
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if (len <= sizeof (micbuf)) {
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dev_kfree_skb_irq(skb);
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goto done;
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}
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len -= sizeof(micbuf);
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skb_trim(skb, len + hdrlen);
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}
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}
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bap_read(ai, buffer + ETH_ALEN, len, BAP0);
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if (decapsulate(ai, &micbuf, (etherHead*) buffer, len))
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dev_kfree_skb_irq (skb);
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else
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success = 1;
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}
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#ifdef WIRELESS_SPY
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if (success && (ai->spy_data.spy_number > 0)) {
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char *sa;
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struct iw_quality wstats;
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/* Prepare spy data : addr + qual */
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if (!test_bit(FLAG_802_11, &ai->flags)) {
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sa = (char *) buffer + 6;
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bap_setup(ai, fid, 8, BAP0);
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bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0);
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} else
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sa = (char *) buffer + 10;
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wstats.qual = hdr.rssi[0];
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if (ai->rssi)
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wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
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else
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wstats.level = (hdr.rssi[1] + 321) / 2;
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wstats.noise = ai->wstats.qual.noise;
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wstats.updated = IW_QUAL_LEVEL_UPDATED
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| IW_QUAL_QUAL_UPDATED
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| IW_QUAL_DBM;
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/* Update spy records */
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wireless_spy_update(ai->dev, sa, &wstats);
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}
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#endif /* WIRELESS_SPY */
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done:
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OUT4500(ai, EVACK, EV_RX);
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if (success) {
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if (test_bit(FLAG_802_11, &ai->flags)) {
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skb_reset_mac_header(skb);
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skb->pkt_type = PACKET_OTHERHOST;
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skb->dev = ai->wifidev;
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skb->protocol = htons(ETH_P_802_2);
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} else
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skb->protocol = eth_type_trans(skb, ai->dev);
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skb->ip_summed = CHECKSUM_NONE;
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netif_rx(skb);
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}
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}
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static void airo_handle_tx(struct airo_info *ai, u16 status)
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{
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int i, len = 0, index = -1;
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u16 fid;
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if (test_bit(FLAG_MPI, &ai->flags)) {
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unsigned long flags;
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if (status & EV_TXEXC)
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get_tx_error(ai, -1);
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spin_lock_irqsave(&ai->aux_lock, flags);
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if (!skb_queue_empty(&ai->txq)) {
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spin_unlock_irqrestore(&ai->aux_lock,flags);
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mpi_send_packet(ai->dev);
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} else {
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clear_bit(FLAG_PENDING_XMIT, &ai->flags);
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spin_unlock_irqrestore(&ai->aux_lock,flags);
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netif_wake_queue(ai->dev);
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}
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OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
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return;
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}
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fid = IN4500(ai, TXCOMPLFID);
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for(i = 0; i < MAX_FIDS; i++) {
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if ((ai->fids[i] & 0xffff) == fid) {
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len = ai->fids[i] >> 16;
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index = i;
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}
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}
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if (index != -1) {
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if (status & EV_TXEXC)
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get_tx_error(ai, index);
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OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC));
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/* Set up to be used again */
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ai->fids[index] &= 0xffff;
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if (index < MAX_FIDS / 2) {
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if (!test_bit(FLAG_PENDING_XMIT, &ai->flags))
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netif_wake_queue(ai->dev);
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} else {
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if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags))
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netif_wake_queue(ai->wifidev);
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}
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} else {
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OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
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airo_print_err(ai->dev->name, "Unallocated FID was used to xmit");
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}
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}
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static irqreturn_t airo_interrupt(int irq, void *dev_id)
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{
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struct net_device *dev = dev_id;
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u16 status;
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u16 fid;
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struct airo_info *apriv = dev->ml_priv;
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u16 savedInterrupts = 0;
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u16 status, savedInterrupts = 0;
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struct airo_info *ai = dev->ml_priv;
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int handled = 0;
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if (!netif_device_present(dev))
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return IRQ_NONE;
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for (;;) {
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status = IN4500( apriv, EVSTAT );
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if ( !(status & STATUS_INTS) || status == 0xffff ) break;
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status = IN4500(ai, EVSTAT);
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if (!(status & STATUS_INTS) || (status == 0xffff))
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break;
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handled = 1;
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if ( status & EV_AWAKE ) {
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OUT4500( apriv, EVACK, EV_AWAKE );
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OUT4500( apriv, EVACK, EV_AWAKE );
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if (status & EV_AWAKE) {
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OUT4500(ai, EVACK, EV_AWAKE);
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OUT4500(ai, EVACK, EV_AWAKE);
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}
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if (!savedInterrupts) {
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savedInterrupts = IN4500( apriv, EVINTEN );
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OUT4500( apriv, EVINTEN, 0 );
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savedInterrupts = IN4500(ai, EVINTEN);
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OUT4500(ai, EVINTEN, 0);
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}
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if ( status & EV_MIC ) {
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OUT4500( apriv, EVACK, EV_MIC );
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if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) {
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set_bit(JOB_MIC, &apriv->jobs);
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wake_up_interruptible(&apriv->thr_wait);
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}
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if (status & EV_MIC) {
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OUT4500(ai, EVACK, EV_MIC);
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airo_handle_cisco_mic(ai);
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}
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if ( status & EV_LINK ) {
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union iwreq_data wrqu;
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int scan_forceloss = 0;
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/* The link status has changed, if you want to put a
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monitor hook in, do it here. (Remember that
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interrupts are still disabled!)
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*/
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u16 newStatus = IN4500(apriv, LINKSTAT);
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OUT4500( apriv, EVACK, EV_LINK);
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/* Here is what newStatus means: */
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#define NOBEACON 0x8000 /* Loss of sync - missed beacons */
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#define MAXRETRIES 0x8001 /* Loss of sync - max retries */
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#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
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#define FORCELOSS 0x8003 /* Loss of sync - host request */
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#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
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#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
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#define DISASS 0x8200 /* Disassociation (low byte is reason code) */
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#define ASSFAIL 0x8400 /* Association failure (low byte is reason
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code) */
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#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
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code) */
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#define ASSOCIATED 0x0400 /* Associated */
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#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
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#define RC_RESERVED 0 /* Reserved return code */
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#define RC_NOREASON 1 /* Unspecified reason */
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#define RC_AUTHINV 2 /* Previous authentication invalid */
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#define RC_DEAUTH 3 /* Deauthenticated because sending station is
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leaving */
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#define RC_NOACT 4 /* Disassociated due to inactivity */
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#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
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all currently associated stations */
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#define RC_BADCLASS2 6 /* Class 2 frame received from
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non-Authenticated station */
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#define RC_BADCLASS3 7 /* Class 3 frame received from
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non-Associated station */
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#define RC_STATLEAVE 8 /* Disassociated because sending station is
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leaving BSS */
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#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
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Authenticated with the responding station */
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if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
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scan_forceloss = 1;
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if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
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if (auto_wep)
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apriv->expires = 0;
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if (apriv->list_bss_task)
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wake_up_process(apriv->list_bss_task);
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set_bit(FLAG_UPDATE_UNI, &apriv->flags);
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set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
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if (down_trylock(&apriv->sem) != 0) {
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set_bit(JOB_EVENT, &apriv->jobs);
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wake_up_interruptible(&apriv->thr_wait);
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} else
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airo_send_event(dev);
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} else if (!scan_forceloss) {
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if (auto_wep && !apriv->expires) {
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apriv->expires = RUN_AT(3*HZ);
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wake_up_interruptible(&apriv->thr_wait);
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}
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/* Send event to user space */
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memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
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wrqu.ap_addr.sa_family = ARPHRD_ETHER;
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wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
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}
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if (status & EV_LINK) {
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/* Link status changed */
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airo_handle_link(ai);
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}
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/* Check to see if there is something to receive */
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if ( status & EV_RX ) {
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struct sk_buff *skb = NULL;
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__le16 fc, v;
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u16 len, hdrlen = 0;
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#pragma pack(1)
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struct {
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__le16 status, len;
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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;
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
if (len > AIRO_DEF_MTU) {
|
||||
airo_print_err(apriv->dev->name, "Bad size %d", len);
|
||||
goto badrx;
|
||||
}
|
||||
if (len == 0)
|
||||
goto badrx;
|
||||
|
||||
if (test_bit(FLAG_802_11, &apriv->flags)) {
|
||||
bap_read (apriv, &fc, sizeof(fc), BAP0);
|
||||
hdrlen = header_len(fc);
|
||||
} else
|
||||
hdrlen = ETH_ALEN * 2;
|
||||
|
||||
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);
|
||||
} 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;
|
||||
}
|
||||
}
|
||||
#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);
|
||||
}
|
||||
#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;
|
||||
|
||||
netif_rx( skb );
|
||||
}
|
||||
exitrx:
|
||||
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 ) ) {
|
||||
int i;
|
||||
int len = 0;
|
||||
int index = -1;
|
||||
if (status & (EV_TX | EV_TXCPY | EV_TXEXC))
|
||||
airo_handle_tx(ai, status);
|
||||
|
||||
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(apriv, TXCOMPLFID);
|
||||
|
||||
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" );
|
||||
}
|
||||
}
|
||||
exittx:
|
||||
if ( status & ~STATUS_INTS & ~IGNORE_INTS )
|
||||
airo_print_warn(apriv->dev->name, "Got weird status %x",
|
||||
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;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user