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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-22 19:09:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-22 19:09:51 -0700
commitc010b2f76c3032e48097a6eef291d8593d5d79a6 (patch)
tree16077c83703527732991a55dea1abe330c0ccdc6 /drivers/net/sfc/efx.c
parent6069fb2ef5d4f47432359c97f350e0cfcc4d208e (diff)
parent521c4d96e0840ecce25b956e00f416ed499ef2ba (diff)
downloadop-kernel-dev-c010b2f76c3032e48097a6eef291d8593d5d79a6.zip
op-kernel-dev-c010b2f76c3032e48097a6eef291d8593d5d79a6.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (82 commits) ipw2200: Call netif_*_queue() interfaces properly. netxen: Needs to include linux/vmalloc.h [netdrvr] atl1d: fix !CONFIG_PM build r6040: rework init_one error handling r6040: bump release number to 0.18 r6040: handle RX fifo full and no descriptor interrupts r6040: change the default waiting time r6040: use definitions for magic values in descriptor status r6040: completely rework the RX path r6040: call napi_disable when puting down the interface and set lp->dev accordingly. mv643xx_eth: fix NETPOLL build r6040: rework the RX buffers allocation routine r6040: fix scheduling while atomic in r6040_tx_timeout r6040: fix null pointer access and tx timeouts r6040: prefix all functions with r6040 rndis_host: support WM6 devices as modems at91_ether: use netstats in net_device structure sfc: Create one RX queue and interrupt per CPU package by default sfc: Use a separate workqueue for resets sfc: I2C adapter initialisation fixes ...
Diffstat (limited to 'drivers/net/sfc/efx.c')
-rw-r--r--drivers/net/sfc/efx.c39
1 files changed, 35 insertions, 4 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 7b2015f..45c72ee 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -19,6 +19,7 @@
#include <linux/in.h>
#include <linux/crc32.h>
#include <linux/ethtool.h>
+#include <linux/topology.h>
#include "net_driver.h"
#include "gmii.h"
#include "ethtool.h"
@@ -832,7 +833,23 @@ static void efx_probe_interrupts(struct efx_nic *efx)
if (efx->interrupt_mode == EFX_INT_MODE_MSIX) {
BUG_ON(!pci_find_capability(efx->pci_dev, PCI_CAP_ID_MSIX));
- efx->rss_queues = rss_cpus ? rss_cpus : num_online_cpus();
+ if (rss_cpus == 0) {
+ cpumask_t core_mask;
+ int cpu;
+
+ cpus_clear(core_mask);
+ efx->rss_queues = 0;
+ for_each_online_cpu(cpu) {
+ if (!cpu_isset(cpu, core_mask)) {
+ ++efx->rss_queues;
+ cpus_or(core_mask, core_mask,
+ topology_core_siblings(cpu));
+ }
+ }
+ } else {
+ efx->rss_queues = rss_cpus;
+ }
+
efx->rss_queues = min(efx->rss_queues, max_channel + 1);
efx->rss_queues = min(efx->rss_queues, EFX_MAX_CHANNELS);
@@ -1762,7 +1779,7 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
efx->reset_pending = method;
- queue_work(efx->workqueue, &efx->reset_work);
+ queue_work(efx->reset_workqueue, &efx->reset_work);
}
/**************************************************************************
@@ -1907,14 +1924,28 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
goto fail1;
}
+ efx->reset_workqueue = create_singlethread_workqueue("sfc_reset");
+ if (!efx->reset_workqueue) {
+ rc = -ENOMEM;
+ goto fail2;
+ }
+
return 0;
+ fail2:
+ destroy_workqueue(efx->workqueue);
+ efx->workqueue = NULL;
+
fail1:
return rc;
}
static void efx_fini_struct(struct efx_nic *efx)
{
+ if (efx->reset_workqueue) {
+ destroy_workqueue(efx->reset_workqueue);
+ efx->reset_workqueue = NULL;
+ }
if (efx->workqueue) {
destroy_workqueue(efx->workqueue);
efx->workqueue = NULL;
@@ -1977,7 +2008,7 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
* scheduled from this point because efx_stop_all() has been
* called, we are no longer registered with driverlink, and
* the net_device's have been removed. */
- flush_workqueue(efx->workqueue);
+ flush_workqueue(efx->reset_workqueue);
efx_pci_remove_main(efx);
@@ -2098,7 +2129,7 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
* scheduled since efx_stop_all() has been called, and we
* have not and never have been registered with either
* the rtnetlink or driverlink layers. */
- cancel_work_sync(&efx->reset_work);
+ flush_workqueue(efx->reset_workqueue);
/* Retry if a recoverably reset event has been scheduled */
if ((efx->reset_pending != RESET_TYPE_INVISIBLE) &&
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