Sorry - this patch should be sent to net-next so please ignore it. Thanks, Simon
-----Original Message----- From: six...@microsoft.com [mailto:six...@microsoft.com] Sent: Tuesday, April 21, 2015 2:44 PM To: KY Srinivasan; Haiyang Zhang; netdev@vger.kernel.org; linux-ker...@vger.kernel.org Cc: Simon Xiao Subject: [PATCH 1/1] v2: Driver: hv: netvsc: call dump_rndis_message() only in netvsc debug mode From: Simon Xiao <six...@microsoft.com> Signed-off-by: Simon Xiao <six...@microsoft.com> --- drivers/net/hyperv/hyperv_net.h | 3 +++ drivers/net/hyperv/netvsc_drv.c | 8 ++++++++ drivers/net/hyperv/rndis_filter.c | 3 ++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index a10b316..c9be35e 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -28,6 +28,9 @@ #include <linux/hyperv.h> #include <linux/rndis.h> +/* flag for netvsc debug mode */ +extern int debug_mode; + /* RSS related */ #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index a3a9d38..7c41864 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -52,6 +52,10 @@ static int ring_size = 128; module_param(ring_size, int, S_IRUGO); MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)"); +int debug_mode = 0; +module_param(debug_mode, int, S_IRUGO); MODULE_PARM_DESC(debug_mode, +"debug mode: zero(0) for non-debug mode; non-zero for debug mode"); + static void do_set_multicast(struct work_struct *w) { struct net_device_context *ndevctx = @@ -999,6 +1003,10 @@ static int __init netvsc_drv_init(void) pr_info("Increased ring_size to %d (min allowed)\n", ring_size); } + + if (debug_mode != 0) + pr_info("Run netvsc in debug mode"); + return vmbus_driver_register(&netvsc_drv); } diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 0d92efe..a3f43f6 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -429,7 +429,8 @@ int rndis_filter_receive(struct hv_device *dev, rndis_msg = pkt->data; - dump_rndis_message(dev, rndis_msg); + if (debug_mode != 0) + dump_rndis_message(dev, rndis_msg); switch (rndis_msg->ndis_msg_type) { case RNDIS_MSG_PACKET: -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
