korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-04 12:54:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

sfc: move modparam 'rss_cpus' out of common channel code

Browse Source 
Instead of exposing this old module parameter on the new driver (thus
 having to keep it forever after for compatibility), let's confine it
 to the old one; if we find later that we need the feature, we ought
 to support it properly, with ethtool set-channels.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree 2020-07-02 17:29:09 +01:00 committed by David S. Miller
parent e4ff323210
commit 67e6398e2e
3 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/sfc/efx.c
View File

@ -68,6 +68,9 @@ module_param_named(interrupt_mode, efx_interrupt_mode, uint, 0444);
MODULE_PARM_DESC(interrupt_mode,
"Interrupt mode (0=>MSIX 1=>MSI 2=>legacy)");
module_param(rss_cpus, uint, 0444);
MODULE_PARM_DESC(rss_cpus, "Number of CPUs to use for Receive-Side Scaling");
/*
* Use separate channels for TX and RX events
*

4
drivers/net/ethernet/sfc/efx_channels.c
View File

@ -32,9 +32,7 @@ unsigned int efx_interrupt_mode = EFX_INT_MODE_MSIX;
* Cards without MSI-X will only target one CPU via legacy or MSI interrupt.
* The default (0) means to assign an interrupt to each core.
*/
static unsigned int rss_cpus;
module_param(rss_cpus, uint, 0444);
MODULE_PARM_DESC(rss_cpus, "Number of CPUs to use for Receive-Side Scaling");
unsigned int rss_cpus;
static unsigned int irq_adapt_low_thresh = 8000;
module_param(irq_adapt_low_thresh, uint, 0644);

1
drivers/net/ethernet/sfc/efx_channels.h
View File

@ -12,6 +12,7 @@
#define EFX_CHANNELS_H
extern unsigned int efx_interrupt_mode;
extern unsigned int rss_cpus;
int efx_probe_interrupts(struct efx_nic *efx);
void efx_remove_interrupts(struct efx_nic *efx);