diff options
Diffstat (limited to 'drivers')
| -rwxr-xr-x | drivers/net/qla3xxx.c | 64 | ||||
| -rwxr-xr-x | drivers/net/qla3xxx.h | 2 |
2 files changed, 47 insertions, 19 deletions
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c index 5bf446f7be1..e44e8504904 100755 --- a/drivers/net/qla3xxx.c +++ b/drivers/net/qla3xxx.c @@ -1747,8 +1747,31 @@ static void ql_process_mac_tx_intr(struct ql3_adapter *qdev, { struct ql_tx_buf_cb *tx_cb; int i; + int retval = 0; + if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) { + printk(KERN_WARNING "Frame short but, frame was padded and sent.\n"); + } + tx_cb = &qdev->tx_buf[mac_rsp->transaction_id]; + + /* Check the transmit response flags for any errors */ + if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) { + printk(KERN_ERR "Frame too short to be legal, frame not sent.\n"); + + qdev->stats.tx_errors++; + retval = -EIO; + goto frame_not_sent; + } + + if(tx_cb->seg_count == 0) { + printk(KERN_ERR "tx_cb->seg_count == 0: %d\n", mac_rsp->transaction_id); + + qdev->stats.tx_errors++; + retval = -EIO; + goto invalid_seg_count; + } + pci_unmap_single(qdev->pdev, pci_unmap_addr(&tx_cb->map[0], mapaddr), pci_unmap_len(&tx_cb->map[0], maplen), @@ -1765,8 +1788,12 @@ static void ql_process_mac_tx_intr(struct ql3_adapter *qdev, } qdev->stats.tx_packets++; qdev->stats.tx_bytes += tx_cb->skb->len; + +frame_not_sent: dev_kfree_skb_irq(tx_cb->skb); tx_cb->skb = NULL; + +invalid_seg_count: atomic_inc(&qdev->tx_count); } @@ -1923,8 +1950,10 @@ static int ql_tx_rx_clean(struct ql3_adapter *qdev, unsigned long hw_flags; int work_done = 0; + u32 rsp_producer_index = le32_to_cpu(*(qdev->prsp_producer_index)); + /* While there are entries in the completion queue. */ - while ((cpu_to_le32(*(qdev->prsp_producer_index)) != + while ((rsp_producer_index != qdev->rsp_consumer_index) && (work_done < work_to_do)) { net_rsp = qdev->rsp_current; @@ -2004,13 +2033,6 @@ static int ql_tx_rx_clean(struct ql3_adapter *qdev, } spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); - - if (unlikely(netif_queue_stopped(qdev->ndev))) { - if (netif_queue_stopped(qdev->ndev) && - (atomic_read(&qdev->tx_count) > - (NUM_REQ_Q_ENTRIES / 4))) - netif_wake_queue(qdev->ndev); - } } return *tx_cleaned + *rx_cleaned; @@ -2031,7 +2053,8 @@ static int ql_poll(struct net_device *ndev, int *budget) *budget -= rx_cleaned; ndev->quota -= rx_cleaned; - if ((!tx_cleaned && !rx_cleaned) || !netif_running(ndev)) { + if( tx_cleaned + rx_cleaned != work_to_do || + !netif_running(ndev)) { quit_polling: netif_rx_complete(ndev); @@ -2093,8 +2116,8 @@ static irqreturn_t ql3xxx_isr(int irq, void *dev_id) queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0); spin_unlock(&qdev->adapter_lock); } else if (value & ISP_IMR_DISABLE_CMPL_INT) { + ql_disable_interrupts(qdev); if (likely(netif_rx_schedule_prep(ndev))) { - ql_disable_interrupts(qdev); __netif_rx_schedule(ndev); } } else { @@ -2113,8 +2136,12 @@ static irqreturn_t ql3xxx_isr(int irq, void *dev_id) * the next AOL if more frags are coming. * That is why the frags:segment count ratio is not linear. */ -static int ql_get_seg_count(unsigned short frags) +static int ql_get_seg_count(struct ql3_adapter *qdev, + unsigned short frags) { + if (qdev->device_id == QL3022_DEVICE_ID) + return 1; + switch(frags) { case 0: return 1; /* just the skb->data seg */ case 1: return 2; /* skb->data + 1 frag */ @@ -2183,14 +2210,15 @@ static int ql_send_map(struct ql3_adapter *qdev, { struct oal *oal; struct oal_entry *oal_entry; - int len = skb_headlen(skb); + int len = skb->len; dma_addr_t map; int err; int completed_segs, i; int seg_cnt, seg = 0; int frag_cnt = (int)skb_shinfo(skb)->nr_frags; - seg_cnt = tx_cb->seg_count = ql_get_seg_count((skb_shinfo(skb)->nr_frags)); + seg_cnt = tx_cb->seg_count = ql_get_seg_count(qdev, + (skb_shinfo(skb)->nr_frags)); if(seg_cnt == -1) { printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__); return NETDEV_TX_BUSY; @@ -2216,7 +2244,7 @@ static int ql_send_map(struct ql3_adapter *qdev, pci_unmap_len_set(&tx_cb->map[seg], maplen, len); seg++; - if (!skb_shinfo(skb)->nr_frags) { + if (seg_cnt == 1) { /* Terminate the last segment. */ oal_entry->len = cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY); @@ -2341,13 +2369,12 @@ static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev) struct ob_mac_iocb_req *mac_iocb_ptr; if (unlikely(atomic_read(&qdev->tx_count) < 2)) { - if (!netif_queue_stopped(ndev)) - netif_stop_queue(ndev); return NETDEV_TX_BUSY; } tx_cb = &qdev->tx_buf[qdev->req_producer_index] ; - if((tx_cb->seg_count = ql_get_seg_count((skb_shinfo(skb)->nr_frags))) == -1) { + if((tx_cb->seg_count = ql_get_seg_count(qdev, + (skb_shinfo(skb)->nr_frags))) == -1) { printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__); return NETDEV_TX_OK; } @@ -2359,7 +2386,8 @@ static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev) mac_iocb_ptr->transaction_id = qdev->req_producer_index; mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len); tx_cb->skb = skb; - if (skb->ip_summed == CHECKSUM_PARTIAL) + if (qdev->device_id == QL3032_DEVICE_ID && + skb->ip_summed == CHECKSUM_PARTIAL) ql_hw_csum_setup(skb, mac_iocb_ptr); if(ql_send_map(qdev,mac_iocb_ptr,tx_cb,skb) != NETDEV_TX_OK) { diff --git a/drivers/net/qla3xxx.h b/drivers/net/qla3xxx.h index 40913d2c709..34cd6580fd0 100755 --- a/drivers/net/qla3xxx.h +++ b/drivers/net/qla3xxx.h @@ -1194,7 +1194,7 @@ struct ql3_adapter { struct net_rsp_iocb *rsp_current; u16 rsp_consumer_index; u16 reserved_06; - u32 *prsp_producer_index; + volatile u32 *prsp_producer_index; u32 rsp_producer_index_phy_addr_high; u32 rsp_producer_index_phy_addr_low; |