diff options
Diffstat (limited to 'drivers/staging/bcm')
-rw-r--r-- | drivers/staging/bcm/Bcmnet.c | 57 |
1 files changed, 27 insertions, 30 deletions
diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c index 9e3b872..3525f5c 100644 --- a/drivers/staging/bcm/Bcmnet.c +++ b/drivers/staging/bcm/Bcmnet.c @@ -1,34 +1,31 @@ #include "headers.h" struct net_device *gblpnetdev; -/***************************************************************************************/ -/* proto-type of lower function */ static INT bcm_open(struct net_device *dev) { - PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); + + if (Adapter->fw_download_done == FALSE) + return -EINVAL; - if(Adapter->fw_download_done==FALSE) - return -EINVAL; - if(Adapter->LinkUpStatus == 1){ - if(netif_queue_stopped(Adapter->dev)){ + if (Adapter->LinkUpStatus == 1) { + if (netif_queue_stopped(Adapter->dev)) { netif_carrier_on(Adapter->dev); netif_start_queue(Adapter->dev); } } - return 0; + return 0; } static INT bcm_close(struct net_device *dev) { - PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); - - if(!netif_queue_stopped(dev)) { + if (!netif_queue_stopped(dev)) { netif_carrier_off(dev); - netif_stop_queue(dev); + netif_stop_queue(dev); } - return 0; + return 0; } static struct net_device_stats *bcm_get_stats(struct net_device *dev) @@ -55,52 +52,52 @@ static u16 bcm_select_queue(struct net_device *dev, struct sk_buff *skb) return ClassifyPacket(netdev_priv(dev), skb); } - /******************************************************************* * Function - bcm_transmit() * * Description - This is the main transmit function for our virtual -* interface(eth0). It handles the ARP packets. It -* clones this packet and then Queue it to a suitable -* Queue. Then calls the transmit_packet(). +* interface(eth0). It handles the ARP packets. It +* clones this packet and then Queue it to a suitable +* Queue. Then calls the transmit_packet(). * * Parameter - skb - Pointer to the socket buffer structure -* dev - Pointer to the virtual net device structure +* dev - Pointer to the virtual net device structure * *********************************************************************/ static netdev_tx_t bcm_transmit(struct sk_buff *skb, struct net_device *dev) { - PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); u16 qindex = skb_get_queue_mapping(skb); if (Adapter->device_removed || !Adapter->LinkUpStatus) goto drop; - if (Adapter->TransferMode != IP_PACKET_ONLY_MODE ) + if (Adapter->TransferMode != IP_PACKET_ONLY_MODE) goto drop; - if (INVALID_QUEUE_INDEX==qindex) + if (INVALID_QUEUE_INDEX == qindex) goto drop; - if (Adapter->PackInfo[qindex].uiCurrentPacketsOnHost >= SF_MAX_ALLOWED_PACKETS_TO_BACKUP) + if (Adapter->PackInfo[qindex].uiCurrentPacketsOnHost >= + SF_MAX_ALLOWED_PACKETS_TO_BACKUP) return NETDEV_TX_BUSY; /* Now Enqueue the packet */ - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, - "bcm_transmit Enqueueing the Packet To Queue %d",qindex); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, + "bcm_transmit Enqueueing the Packet To Queue %d", + qindex); + spin_lock(&Adapter->PackInfo[qindex].SFQueueLock); Adapter->PackInfo[qindex].uiCurrentBytesOnHost += skb->len; Adapter->PackInfo[qindex].uiCurrentPacketsOnHost++; - *((B_UINT32 *)skb->cb + SKB_CB_LATENCY_OFFSET ) = jiffies; + *((B_UINT32 *) skb->cb + SKB_CB_LATENCY_OFFSET) = jiffies; ENQUEUEPACKET(Adapter->PackInfo[qindex].FirstTxQueue, Adapter->PackInfo[qindex].LastTxQueue, skb); atomic_inc(&Adapter->TotalPacketCount); spin_unlock(&Adapter->PackInfo[qindex].SFQueueLock); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, TX_OSAL_DBG, DBG_LVL_ALL,"ENQ: \n"); - /* FIXME - this is racy and incorrect, replace with work queue */ if (!atomic_read(&Adapter->TxPktAvail)) { atomic_set(&Adapter->TxPktAvail, 1); @@ -182,12 +179,12 @@ int register_networkdev(PMINI_ADAPTER Adapter) struct net_device *net = Adapter->dev; int result; - net->netdev_ops = &bcmNetDevOps; + net->netdev_ops = &bcmNetDevOps; net->ethtool_ops = &bcm_ethtool_ops; - net->mtu = MTU_SIZE; /* 1400 Bytes */ + net->mtu = MTU_SIZE; /* 1400 Bytes */ net->tx_queue_len = TX_QLEN; net->flags |= IFF_NOARP; - net->flags &= ~(IFF_BROADCAST|IFF_MULTICAST); + net->flags &= ~(IFF_BROADCAST | IFF_MULTICAST); netif_carrier_off(net); |