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authorSreenivasa Honnur <Sreenivasa.Honnur@neterion.com>2009-07-01 23:16:37 +0200
committerDavid S. Miller <davem@davemloft.net>2009-07-06 04:16:34 +0200
commita5d165b571fcf347e82af6292074d2f0c07de3a6 (patch)
tree5bd6bf9a4af55d01e62a216c222f2a864df163ee /drivers/net/vxge/vxge-main.c
parentvxge: Removed the code to bounds check the mss value (diff)
downloadlinux-a5d165b571fcf347e82af6292074d2f0c07de3a6.tar.xz
linux-a5d165b571fcf347e82af6292074d2f0c07de3a6.zip
vxge: Fixes in isr routine
- Fixes in isr routine Fixed crash with INTA mode during driver unload. Pass hldev to request_irq instead of vdev. Fixed Traffic failure with GRO in INTA mode. Pass the correct napi context to gro functions. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxge/vxge-main.c')
-rw-r--r--drivers/net/vxge/vxge-main.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index cda18f815c3a..060549a75586 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -374,10 +374,10 @@ vxge_rx_complete(struct vxge_ring *ring, struct sk_buff *skb, u16 vlan,
if (ring->vlgrp && ext_info->vlan &&
(ring->vlan_tag_strip ==
VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE))
- vlan_gro_receive(&ring->napi, ring->vlgrp,
+ vlan_gro_receive(ring->napi_p, ring->vlgrp,
ext_info->vlan, skb);
else
- napi_gro_receive(&ring->napi, skb);
+ napi_gro_receive(ring->napi_p, skb);
} else {
if (ring->vlgrp && vlan &&
(ring->vlan_tag_strip ==
@@ -2132,16 +2132,16 @@ int vxge_open_vpaths(struct vxgedev *vdev)
*/
static irqreturn_t vxge_isr_napi(int irq, void *dev_id)
{
- struct __vxge_hw_device *hldev = (struct __vxge_hw_device *)dev_id;
- struct vxgedev *vdev;
struct net_device *dev;
+ struct __vxge_hw_device *hldev;
u64 reason;
enum vxge_hw_status status;
+ struct vxgedev *vdev = (struct vxgedev *) dev_id;;
vxge_debug_intr(VXGE_TRACE, "%s:%d", __func__, __LINE__);
- dev = hldev->ndev;
- vdev = netdev_priv(dev);
+ dev = vdev->ndev;
+ hldev = (struct __vxge_hw_device *)pci_get_drvdata(vdev->pdev);
if (pci_channel_offline(vdev->pdev))
return IRQ_NONE;
@@ -2412,15 +2412,13 @@ static void vxge_rem_isr(struct vxgedev *vdev)
#endif
if (vdev->config.intr_type == INTA) {
synchronize_irq(vdev->pdev->irq);
- free_irq(vdev->pdev->irq, hldev);
+ free_irq(vdev->pdev->irq, vdev);
}
}
static int vxge_add_isr(struct vxgedev *vdev)
{
int ret = 0;
- struct __vxge_hw_device *hldev =
- (struct __vxge_hw_device *) pci_get_drvdata(vdev->pdev);
#ifdef CONFIG_PCI_MSI
int vp_idx = 0, intr_idx = 0, intr_cnt = 0, msix_idx = 0, irq_req = 0;
u64 function_mode = vdev->config.device_hw_info.function_mode;
@@ -2574,7 +2572,7 @@ INTA_MODE:
if (vdev->config.intr_type == INTA) {
ret = request_irq((int) vdev->pdev->irq,
vxge_isr_napi,
- IRQF_SHARED, vdev->desc[0], hldev);
+ IRQF_SHARED, vdev->desc[0], vdev);
if (ret) {
vxge_debug_init(VXGE_ERR,
"%s %s-%d: ISR registration failed",
@@ -2707,11 +2705,15 @@ vxge_open(struct net_device *dev)
netif_napi_add(dev, &vdev->napi, vxge_poll_inta,
vdev->config.napi_weight);
napi_enable(&vdev->napi);
+ for (i = 0; i < vdev->no_of_vpath; i++)
+ vdev->vpaths[i].ring.napi_p = &vdev->napi;
} else {
for (i = 0; i < vdev->no_of_vpath; i++) {
netif_napi_add(dev, &vdev->vpaths[i].ring.napi,
vxge_poll_msix, vdev->config.napi_weight);
napi_enable(&vdev->vpaths[i].ring.napi);
+ vdev->vpaths[i].ring.napi_p =
+ &vdev->vpaths[i].ring.napi;
}
}