From 4fd64dd0c1b9317ffe6fdaf3de788e14df880d8d Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 1 Nov 2010 12:12:31 -0400 Subject: beceem: add network device message level control Provide standard interface to control verbosity of debug messages Signed-off-by: Stephen Hemminger --- drivers/staging/bcm/Bcmnet.c | 66 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 52 insertions(+), 14 deletions(-) (limited to 'drivers/staging/bcm/Bcmnet.c') diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c index 3525f5cf5358..641f3c88a2d9 100644 --- a/drivers/staging/bcm/Bcmnet.c +++ b/drivers/staging/bcm/Bcmnet.c @@ -1,19 +1,35 @@ #include "headers.h" +static int debug = -1; +module_param(debug, uint, 0600); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + +static const u32 default_msg = + NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK + | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR + | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; + struct net_device *gblpnetdev; static INT bcm_open(struct net_device *dev) { PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); - if (Adapter->fw_download_done == FALSE) - return -EINVAL; + if (Adapter->fw_download_done == FALSE) { + pr_notice(DRV_NAME "%s: link up failed (download in progress)\n", + dev->name); + return -EBUSY; + } + + if (netif_msg_ifup(Adapter)) + pr_info(DRV_NAME "%s: enabling interface\n", dev->name); + + if (Adapter->LinkUpStatus) { + if (netif_msg_link(Adapter)) + pr_info(DRV_NAME "%s: link up\n", dev->name); - if (Adapter->LinkUpStatus == 1) { - if (netif_queue_stopped(Adapter->dev)) { - netif_carrier_on(Adapter->dev); - netif_start_queue(Adapter->dev); - } + netif_carrier_on(Adapter->dev); + netif_start_queue(Adapter->dev); } return 0; @@ -21,10 +37,14 @@ static INT bcm_open(struct net_device *dev) static INT bcm_close(struct net_device *dev) { - if (!netif_queue_stopped(dev)) { - netif_carrier_off(dev); - netif_stop_queue(dev); - } + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); + + if (netif_msg_ifdown(Adapter)) + pr_info(DRV_NAME "%s: disabling interface\n", dev->name); + + netif_carrier_off(dev); + netif_stop_queue(dev); + return 0; } @@ -70,6 +90,7 @@ static netdev_tx_t bcm_transmit(struct sk_buff *skb, struct net_device *dev) PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); u16 qindex = skb_get_queue_mapping(skb); + if (Adapter->device_removed || !Adapter->LinkUpStatus) goto drop; @@ -84,9 +105,9 @@ static netdev_tx_t bcm_transmit(struct sk_buff *skb, struct net_device *dev) 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); + if (netif_msg_tx_queued(Adapter)) + pr_info(DRV_NAME "%s: enqueueing packet to queue %d\n", + dev->name, qindex); spin_lock(&Adapter->PackInfo[qindex].SFQueueLock); Adapter->PackInfo[qindex].uiCurrentBytesOnHost += skb->len; @@ -168,10 +189,26 @@ static u32 bcm_get_link(struct net_device *dev) return Adapter->LinkUpStatus; } +static u32 bcm_get_msglevel (struct net_device *dev) +{ + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); + + return Adapter->msg_enable; +} + +static void bcm_set_msglevel (struct net_device *dev, u32 level) +{ + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev); + + Adapter->msg_enable = level; +} + static const struct ethtool_ops bcm_ethtool_ops = { .get_settings = bcm_get_settings, .get_drvinfo = bcm_get_drvinfo, .get_link = bcm_get_link, + .get_msglevel = bcm_get_msglevel, + .set_msglevel = bcm_set_msglevel, }; int register_networkdev(PMINI_ADAPTER Adapter) @@ -185,6 +222,7 @@ int register_networkdev(PMINI_ADAPTER Adapter) net->tx_queue_len = TX_QLEN; net->flags |= IFF_NOARP; net->flags &= ~(IFF_BROADCAST | IFF_MULTICAST); + Adapter->msg_enable = netif_msg_init(debug, default_msg); netif_carrier_off(net); -- cgit v1.2.3-59-g8ed1b