diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 19:09:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 19:09:51 -0700 |
commit | c010b2f76c3032e48097a6eef291d8593d5d79a6 (patch) | |
tree | 16077c83703527732991a55dea1abe330c0ccdc6 /drivers/net/sfc/efx.c | |
parent | 6069fb2ef5d4f47432359c97f350e0cfcc4d208e (diff) | |
parent | 521c4d96e0840ecce25b956e00f416ed499ef2ba (diff) |
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.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 7b2015f9e46..45c72eebb3a 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) && |