From 67e6398e2e058d0ec126f47ac123cca590c7a2ba Mon Sep 17 00:00:00 2001 From: Edward Cree Date: Thu, 2 Jul 2020 17:29:09 +0100 Subject: [PATCH] sfc: move modparam 'rss_cpus' out of common channel code 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/sfc/efx.c | 3 +++ drivers/net/ethernet/sfc/efx_channels.c | 4 +--- drivers/net/ethernet/sfc/efx_channels.h | 1 + 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 2725d1d..6094f59 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -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 * diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c index 50356db..466257b 100644 --- a/drivers/net/ethernet/sfc/efx_channels.c +++ b/drivers/net/ethernet/sfc/efx_channels.c @@ -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); diff --git a/drivers/net/ethernet/sfc/efx_channels.h b/drivers/net/ethernet/sfc/efx_channels.h index 86dd058..2d71dc9 100644 --- a/drivers/net/ethernet/sfc/efx_channels.h +++ b/drivers/net/ethernet/sfc/efx_channels.h @@ -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); -- 2.7.4