linux-kernel - [PATCH net v3 4/9] forcedeth: expose module parameters in /sys/module

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Date:	Fri,  4 Nov 2011 18:53:28 -0700
From:	David Decotigny <david.decotigny@...gle.com>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Ian Campbell <ian.campbell@...rix.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jiri Pirko <jpirko@...hat.com>, Joe Perches <joe@...ches.com>,
	Szymon Janc <szymon@...c.net.pl>,
	David Decotigny <david.decotigny@...gle.com>
Subject: [PATCH net v3 4/9] forcedeth: expose module parameters in /sys/module

In particular, debug_tx_timeout can be updated at runtime.



Signed-off-by: David Decotigny <david.decotigny@...gle.com>
---
 drivers/net/ethernet/nvidia/forcedeth.c |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 3f66b74..295652d 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -6010,23 +6010,23 @@ static void __exit exit_nic(void)
 	pci_unregister_driver(&driver);
 }
 
-module_param(max_interrupt_work, int, 0);
+module_param(max_interrupt_work, int, S_IRUGO);
 MODULE_PARM_DESC(max_interrupt_work, "forcedeth maximum events handled per interrupt");
-module_param(optimization_mode, int, 0);
+module_param(optimization_mode, int, S_IRUGO);
 MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer. In dynamic mode (2), the mode toggles between throughput and CPU mode based on network load.");
-module_param(poll_interval, int, 0);
+module_param(poll_interval, int, S_IRUGO);
 MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535.");
-module_param(msi, int, 0);
+module_param(msi, int, S_IRUGO);
 MODULE_PARM_DESC(msi, "MSI interrupts are enabled by setting to 1 and disabled by setting to 0.");
-module_param(msix, int, 0);
+module_param(msix, int, S_IRUGO);
 MODULE_PARM_DESC(msix, "MSIX interrupts are enabled by setting to 1 and disabled by setting to 0.");
-module_param(dma_64bit, int, 0);
+module_param(dma_64bit, int, S_IRUGO);
 MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0.");
-module_param(phy_cross, int, 0);
+module_param(phy_cross, int, S_IRUGO);
 MODULE_PARM_DESC(phy_cross, "Phy crossover detection for Realtek 8201 phy is enabled by setting to 1 and disabled by setting to 0.");
-module_param(phy_power_down, int, 0);
+module_param(phy_power_down, int, S_IRUGO);
 MODULE_PARM_DESC(phy_power_down, "Power down phy and disable link when interface is down (1), or leave phy powered up (0).");
-module_param(debug_tx_timeout, bool, 0);
+module_param(debug_tx_timeout, bool, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(debug_tx_timeout,
 		 "Dump tx related registers and ring when tx_timeout happens");
 
-- 
1.7.3.1

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