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| author | Sivakumar Subramani <Sivakumar.Subramani@neterion.com> | 2007-08-06 05:36:28 -0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:50:24 -0700 |
| commit | c77dd43e77c530a12a466865805d2068ede96860 (patch) | |
| tree | 73851f4763568f0124a0ce02c76328d5200dd070 /drivers | |
| parent | 8abc4d5b84f23edccf405aa591aae7d9b967e8d2 (diff) | |
| download | kernel_samsung_smdk4412-c77dd43e77c530a12a466865805d2068ede96860.zip kernel_samsung_smdk4412-c77dd43e77c530a12a466865805d2068ede96860.tar.gz kernel_samsung_smdk4412-c77dd43e77c530a12a466865805d2068ede96860.tar.bz2 | |
S2IO: Fixes in MSIX related code.
- Calling store_xmsi_data to store the MSI-X datas during initialization
in s2io-init_nic function
- Disabling NAPI when MSI-X is enabled
- Freeing sp->entries and sp->s2io_entries in s2io_rem_isr
Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/s2io.c | 19 | ||||
| -rw-r--r-- | drivers/net/s2io.h | 1 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 5889382..e7b432c 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -3892,6 +3892,12 @@ static int s2io_open(struct net_device *dev) } } + /* NAPI doesn't work well with MSI(X) */ + if (sp->intr_type != INTA) { + if(sp->config.napi) + sp->config.napi = 0; + } + /* Initialize H/W and enable interrupts */ err = s2io_card_up(sp); if (err) { @@ -6471,6 +6477,7 @@ static void s2io_rem_isr(struct s2io_nic * sp) { int cnt = 0; struct net_device *dev = sp->dev; + struct swStat *stats = &sp->mac_control.stats_info->sw_stat; if (sp->intr_type == MSI_X) { int i; @@ -6483,6 +6490,16 @@ static void s2io_rem_isr(struct s2io_nic * sp) free_irq(vector, arg); } + + kfree(sp->entries); + stats->mem_freed += + (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + kfree(sp->s2io_entries); + stats->mem_freed += + (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); + sp->entries = NULL; + sp->s2io_entries = NULL; + pci_read_config_word(sp->pdev, 0x42, &msi_control); msi_control &= 0xFFFE; /* Disable MSI */ pci_write_config_word(sp->pdev, 0x42, msi_control); @@ -7377,6 +7394,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) dev->addr_len = ETH_ALEN; memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN); + /* Store the values of the MSIX table in the s2io_nic structure */ + store_xmsi_data(sp); /* reset Nic and bring it to known state */ s2io_reset(sp); diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 62398fa..724948d 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -415,6 +415,7 @@ struct config_param { #define INTA 0 #define MSI_X 2 u8 intr_type; + u8 napi; /* Specifies if Tx Intr is UTILZ or PER_LIST type. */ |