diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index 66d914c1ccb9c5f179ec4fe069d4d60f421e1d14..48f17321a6632883f6187d1ae3f680213536f948 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -87,7 +87,6 @@ static inline int is_vxge_card_up(struct vxgedev *vdev)
static inline void VXGE_COMPLETE_VPATH_TX(struct vxge_fifo *fifo)
{
- unsigned long flags = 0;
struct sk_buff **skb_ptr = NULL;
struct sk_buff **temp;
#define NR_SKB_COMPLETED 128
@@ -98,15 +97,16 @@ static inline void VXGE_COMPLETE_VPATH_TX(struct vxge_fifo *fifo)
more = 0;
skb_ptr = completed;
- if (spin_trylock_irqsave(&fifo->tx_lock, flags)) {
+ if (__netif_tx_trylock(fifo->txq)) {
vxge_hw_vpath_poll_tx(fifo->handle, &skb_ptr,
NR_SKB_COMPLETED, &more);
- spin_unlock_irqrestore(&fifo->tx_lock, flags);
+ __netif_tx_unlock(fifo->txq);
}
+
/* free SKBs */
for (temp = completed; temp != skb_ptr; temp++)
dev_kfree_skb_irq(*temp);
- } while (more) ;
+ } while (more);
}
static inline void VXGE_COMPLETE_ALL_TX(struct vxgedev *vdev)
@@ -130,53 +130,6 @@ static inline void VXGE_COMPLETE_ALL_RX(struct vxgedev *vdev)
}
}
-/*
- * MultiQ manipulation helper functions
- */
-static inline int vxge_netif_queue_stopped(struct vxge_fifo *fifo)
-{
- struct net_device *dev = fifo->ndev;
- struct netdev_queue *txq = NULL;
- int vpath_no = fifo->driver_id;
- int ret = 0;
-
- if (fifo->tx_steering_type)
- txq = netdev_get_tx_queue(dev, vpath_no);
- else
- txq = netdev_get_tx_queue(dev, 0);
-
- ret = netif_tx_queue_stopped(txq);
- return ret;
-}
-
-void vxge_stop_tx_queue(struct vxge_fifo *fifo)
-{
- struct net_device *dev = fifo->ndev;
- struct netdev_queue *txq = NULL;
-
- if (fifo->tx_steering_type)
- txq = netdev_get_tx_queue(dev, fifo->driver_id);
- else
- txq = netdev_get_tx_queue(dev, 0);
-
- netif_tx_stop_queue(txq);
-}
-
-void vxge_wake_tx_queue(struct vxge_fifo *fifo)
-{
- struct net_device *dev = fifo->ndev;
- struct netdev_queue *txq = NULL;
- int vpath_no = fifo->driver_id;
-
- if (fifo->tx_steering_type)
- txq = netdev_get_tx_queue(dev, vpath_no);
- else
- txq = netdev_get_tx_queue(dev, 0);
-
- if (netif_tx_queue_stopped(txq))
- netif_tx_wake_queue(txq);
-}
-
/*
* vxge_callback_link_up
*
@@ -650,7 +603,8 @@ vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
&dtr, &t_code) == VXGE_HW_OK);
*skb_ptr = done_skb;
- vxge_wake_tx_queue(fifo);
+ if (netif_tx_queue_stopped(fifo->txq))
+ netif_tx_wake_queue(fifo->txq);
vxge_debug_entryexit(VXGE_TRACE,
"%s: %s:%d Exiting...",
@@ -659,8 +613,7 @@ vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
}
/* select a vpath to transmit the packet */
-static u32 vxge_get_vpath_no(struct vxgedev *vdev, struct sk_buff *skb,
- int *do_lock)
+static u32 vxge_get_vpath_no(struct vxgedev *vdev, struct sk_buff *skb)
{
u16 queue_len, counter = 0;
if (skb->protocol == htons(ETH_P_IP)) {
@@ -679,12 +632,6 @@ static u32 vxge_get_vpath_no(struct vxgedev *vdev, struct sk_buff *skb,
vdev->vpath_selector[queue_len - 1];
if (counter >= queue_len)
counter = queue_len - 1;
-
- if (ip->protocol == IPPROTO_UDP) {
-#ifdef NETIF_F_LLTX
- *do_lock = 0;
-#endif
- }
}
}
return counter;
@@ -781,8 +728,6 @@ static int vxge_learn_mac(struct vxgedev *vdev, u8 *mac_header)
*
* This function is the Tx entry point of the driver. Neterion NIC supports
* certain protocol assist features on Tx side, namely CSO, S/G, LSO.
- * NOTE: when device cant queue the pkt, just the trans_start variable will
- * not be upadted.
*/
static netdev_tx_t
vxge_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -799,9 +744,7 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
struct vxge_tx_priv *txdl_priv = NULL;
struct __vxge_hw_fifo *fifo_hw;
int offload_type;
- unsigned long flags = 0;
int vpath_no = 0;
- int do_spin_tx_lock = 1;
vxge_debug_entryexit(VXGE_TRACE, "%s: %s:%d",
dev->name, __func__, __LINE__);
@@ -837,7 +780,7 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
if (vdev->config.tx_steering_type == TX_MULTIQ_STEERING)
vpath_no = skb_get_queue_mapping(skb);
else if (vdev->config.tx_steering_type == TX_PORT_STEERING)
- vpath_no = vxge_get_vpath_no(vdev, skb, &do_spin_tx_lock);
+ vpath_no = vxge_get_vpath_no(vdev, skb);
vxge_debug_tx(VXGE_TRACE, "%s: vpath_no= %d", dev->name, vpath_no);
@@ -847,40 +790,29 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
fifo = &vdev->vpaths[vpath_no].fifo;
fifo_hw = fifo->handle;
- if (do_spin_tx_lock)
- spin_lock_irqsave(&fifo->tx_lock, flags);
- else {
- if (unlikely(!spin_trylock_irqsave(&fifo->tx_lock, flags)))
- return NETDEV_TX_LOCKED;
- }
-
- if (vxge_netif_queue_stopped(fifo)) {
- spin_unlock_irqrestore(&fifo->tx_lock, flags);
+ if (netif_tx_queue_stopped(fifo->txq))
return NETDEV_TX_BUSY;
- }
avail = vxge_hw_fifo_free_txdl_count_get(fifo_hw);
if (avail == 0) {
vxge_debug_tx(VXGE_ERR,
"%s: No free TXDs available", dev->name);
fifo->stats.txd_not_free++;
- vxge_stop_tx_queue(fifo);
- goto _exit2;
+ goto _exit0;
}
/* Last TXD? Stop tx queue to avoid dropping packets. TX
* completion will resume the queue.
*/
if (avail == 1)
- vxge_stop_tx_queue(fifo);
+ netif_tx_stop_queue(fifo->txq);
status = vxge_hw_fifo_txdl_reserve(fifo_hw, &dtr, &dtr_priv);
if (unlikely(status != VXGE_HW_OK)) {
vxge_debug_tx(VXGE_ERR,
"%s: Out of descriptors .", dev->name);
fifo->stats.txd_out_of_desc++;
- vxge_stop_tx_queue(fifo);
- goto _exit2;
+ goto _exit0;
}
vxge_debug_tx(VXGE_TRACE,
@@ -900,9 +832,8 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(pci_dma_mapping_error(fifo->pdev, dma_pointer))) {
vxge_hw_fifo_txdl_free(fifo_hw, dtr);
- vxge_stop_tx_queue(fifo);
fifo->stats.pci_map_fail++;
- goto _exit2;
+ goto _exit0;
}
txdl_priv = vxge_hw_fifo_txdl_private_get(dtr);
@@ -925,13 +856,12 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
if (!frag->size)
continue;
- dma_pointer =
- (u64)pci_map_page(fifo->pdev, frag->page,
+ dma_pointer = (u64) pci_map_page(fifo->pdev, frag->page,
frag->page_offset, frag->size,
PCI_DMA_TODEVICE);
if (unlikely(pci_dma_mapping_error(fifo->pdev, dma_pointer)))
- goto _exit0;
+ goto _exit2;
vxge_debug_tx(VXGE_TRACE,
"%s: %s:%d frag = %d dma_pointer = 0x%llx",
dev->name, __func__, __LINE__, i,
@@ -946,11 +876,9 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
offload_type = vxge_offload_type(skb);
if (offload_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
-
int mss = vxge_tcp_mss(skb);
if (mss) {
- vxge_debug_tx(VXGE_TRACE,
- "%s: %s:%d mss = %d",
+ vxge_debug_tx(VXGE_TRACE, "%s: %s:%d mss = %d",
dev->name, __func__, __LINE__, mss);
vxge_hw_fifo_txdl_mss_set(dtr, mss);
} else {
@@ -968,19 +896,13 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
VXGE_HW_FIFO_TXD_TX_CKO_UDP_EN);
vxge_hw_fifo_txdl_post(fifo_hw, dtr);
-#ifdef NETIF_F_LLTX
- dev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
-#endif
- spin_unlock_irqrestore(&fifo->tx_lock, flags);
- VXGE_COMPLETE_VPATH_TX(fifo);
vxge_debug_entryexit(VXGE_TRACE, "%s: %s:%d Exiting...",
dev->name, __func__, __LINE__);
return NETDEV_TX_OK;
-_exit0:
+_exit2:
vxge_debug_tx(VXGE_TRACE, "%s: pci_map_page failed", dev->name);
-
_exit1:
j = 0;
frag = &skb_shinfo(skb)->frags[0];
@@ -995,10 +917,9 @@ _exit1:
}
vxge_hw_fifo_txdl_free(fifo_hw, dtr);
-_exit2:
+_exit0:
+ netif_tx_stop_queue(fifo->txq);
dev_kfree_skb(skb);
- spin_unlock_irqrestore(&fifo->tx_lock, flags);
- VXGE_COMPLETE_VPATH_TX(fifo);
return NETDEV_TX_OK;
}
@@ -1448,7 +1369,8 @@ static int vxge_reset_vpath(struct vxgedev *vdev, int vp_id)
clear_bit(vp_id, &vdev->vp_reset);
/* Start the vpath queue */
- vxge_wake_tx_queue(&vpath->fifo);
+ if (netif_tx_queue_stopped(vpath->fifo.txq))
+ netif_tx_wake_queue(vpath->fifo.txq);
return ret;
}
@@ -2078,6 +2000,12 @@ int vxge_open_vpaths(struct vxgedev *vdev)
vdev->config.tx_steering_type;
vpath->fifo.ndev = vdev->ndev;
vpath->fifo.pdev = vdev->pdev;
+ if (vdev->config.tx_steering_type)
+ vpath->fifo.txq =
+ netdev_get_tx_queue(vdev->ndev, i);
+ else
+ vpath->fifo.txq =
+ netdev_get_tx_queue(vdev->ndev, 0);
vpath->fifo.indicate_max_pkts =
vdev->config.fifo_indicate_max_pkts;
vpath->ring.rx_vector_no = 0;
@@ -2564,7 +2492,7 @@ static void vxge_poll_vp_lockup(unsigned long data)
vxge_vpath_intr_disable(vdev, i);
/* stop the queue for this vpath */
- vxge_stop_tx_queue(&vpath->fifo);
+ netif_tx_stop_queue(vpath->fifo.txq);
continue;
}
}
@@ -2627,7 +2555,6 @@ vxge_open(struct net_device *dev)
goto out1;
}
-
if (vdev->config.intr_type != MSI_X) {
netif_napi_add(dev, &vdev->napi, vxge_poll_inta,
vdev->config.napi_weight);
@@ -3200,7 +3127,7 @@ int __devinit vxge_device_register(struct __vxge_hw_device *hldev,
struct net_device *ndev;
enum vxge_hw_status status = VXGE_HW_OK;
struct vxgedev *vdev;
- int i, ret = 0, no_of_queue = 1;
+ int ret = 0, no_of_queue = 1;
u64 stat;
*vdev_out = NULL;
@@ -3273,13 +3200,6 @@ int __devinit vxge_device_register(struct __vxge_hw_device *hldev,
if (vdev->config.gro_enable)
ndev->features |= NETIF_F_GRO;
-#ifdef NETIF_F_LLTX
- ndev->features |= NETIF_F_LLTX;
-#endif
-
- for (i = 0; i < no_of_vpath; i++)
- spin_lock_init(&vdev->vpaths[i].fifo.tx_lock);
-
if (register_netdev(ndev)) {
vxge_debug_init(vxge_hw_device_trace_level_get(hldev),
"%s: %s : device registration failed!",
@@ -3379,6 +3299,7 @@ vxge_callback_crit_err(struct __vxge_hw_device *hldev,
{
struct net_device *dev = hldev->ndev;
struct vxgedev *vdev = (struct vxgedev *)netdev_priv(dev);
+ struct vxge_vpath *vpath = NULL;
int vpath_idx;
vxge_debug_entryexit(vdev->level_trace,
@@ -3389,9 +3310,11 @@ vxge_callback_crit_err(struct __vxge_hw_device *hldev,
*/
vdev->cric_err_event = type;
- for (vpath_idx = 0; vpath_idx < vdev->no_of_vpath; vpath_idx++)
- if (vdev->vpaths[vpath_idx].device_id == vp_id)
+ for (vpath_idx = 0; vpath_idx < vdev->no_of_vpath; vpath_idx++) {
+ vpath = &vdev->vpaths[vpath_idx];
+ if (vpath->device_id == vp_id)
break;
+ }
if (!test_bit(__VXGE_STATE_RESET_CARD, &vdev->state)) {
if (type == VXGE_HW_EVENT_SLOT_FREEZE) {
@@ -3428,8 +3351,7 @@ vxge_callback_crit_err(struct __vxge_hw_device *hldev,
vxge_vpath_intr_disable(vdev, vpath_idx);
/* stop the queue for this vpath */
- vxge_stop_tx_queue(&vdev->vpaths[vpath_idx].
- fifo);
+ netif_tx_stop_queue(vpath->fifo.txq);
}
}
}
@@ -4274,7 +4196,6 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
vdev->vpaths[j].is_configured = 1;
vdev->vpaths[j].device_id = i;
- vdev->vpaths[j].fifo.driver_id = j;
vdev->vpaths[j].ring.driver_id = j;
vdev->vpaths[j].vdev = vdev;
vdev->vpaths[j].max_mac_addr_cnt = max_mac_vpath;
diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h
index a3845822d46ea3858be042c8a2be60ab32386ea9..5982396787fcc43759d126fde75da85196a85d29 100644
--- a/drivers/net/vxge/vxge-main.h
+++ b/drivers/net/vxge/vxge-main.h
@@ -217,17 +217,13 @@ struct vxge_fifo_stats {
};
struct vxge_fifo {
- struct net_device *ndev;
- struct pci_dev *pdev;
+ struct net_device *ndev;
+ struct pci_dev *pdev;
struct __vxge_hw_fifo *handle;
+ struct netdev_queue *txq;
- /* The vpath id maintained in the driver -
- * 0 to 'maximum_vpaths_in_function - 1'
- */
- int driver_id;
int tx_steering_type;
int indicate_max_pkts;
- spinlock_t tx_lock;
/* Tx stats */
struct vxge_fifo_stats stats;
@@ -275,7 +271,6 @@ struct vxge_ring {
} ____cacheline_aligned;
struct vxge_vpath {
-
struct vxge_fifo fifo;
struct vxge_ring ring;
@@ -443,10 +438,6 @@ int vxge_open_vpaths(struct vxgedev *vdev);
enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev);
-void vxge_stop_tx_queue(struct vxge_fifo *fifo);
-
-void vxge_wake_tx_queue(struct vxge_fifo *fifo);
-
enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
struct macInfo *mac);
diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c
index 6cc1dd79b40b2a134f1d0044009a3ba9746ed2bb..1a7078304adf1bc0db94fb519c3cd33e574a8e9c 100644
--- a/drivers/net/vxge/vxge-traffic.c
+++ b/drivers/net/vxge/vxge-traffic.c
@@ -2466,14 +2466,12 @@ enum vxge_hw_status vxge_hw_vpath_poll_rx(struct __vxge_hw_ring *ring)
* the same.
* @fifo: Handle to the fifo object used for non offload send
*
- * The function polls the Tx for the completed descriptors and calls
+ * The function polls the Tx for the completed descriptors and calls
* the driver via supplied completion callback.
*
* Returns: VXGE_HW_OK, if the polling is completed successful.
* VXGE_HW_COMPLETIONS_REMAIN: There are still more completed
* descriptors available which are yet to be processed.
- *
- * See also: vxge_hw_vpath_poll_tx().
*/
enum vxge_hw_status vxge_hw_vpath_poll_tx(struct __vxge_hw_fifo *fifo,
struct sk_buff ***skb_ptr, int nr_skb,