From 223beea23810577353c4cc71ce2f44dbba0d4e16 Mon Sep 17 00:00:00 2001 From: Inaky Perez-Gonzalez Date: Mon, 13 Apr 2009 10:26:34 -0700 Subject: [PATCH] wimax/i2400m: allow kernel commands to device to be logged too By running 'echo 1 > /sys/kernel/debug/wimax:wmxX/i2400m/trace_msg_from_user', the driver will echo to user space all the commands being sent to the device from user space, along with the responses. However, this only helps with the commands being sent from user space; with this patch, the trace hook is moved to i2400m_msg_to_dev(), which is the single access point for running commands to the device (both by user space and the kernel driver). This allows better debugging by having a complete stream of commands/acks and reports. Signed-off-by: Inaky Perez-Gonzalez --- drivers/net/wimax/i2400m/control.c | 5 +++++ drivers/net/wimax/i2400m/driver.c | 10 ---------- 2 files changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c index b3cadb626fe..0f58418748a 100644 --- a/drivers/net/wimax/i2400m/control.c +++ b/drivers/net/wimax/i2400m/control.c @@ -721,6 +721,8 @@ struct sk_buff *i2400m_msg_to_dev(struct i2400m *i2400m, ack_timeout = HZ; }; + if (unlikely(i2400m->trace_msg_from_user)) + wimax_msg(&i2400m->wimax_dev, "echo", buf, buf_len, GFP_KERNEL); /* The RX path in rx.c will put any response for this message * in i2400m->ack_skb and wake us up. If we cancel the wait, * we need to change the value of i2400m->ack_skb to something @@ -755,6 +757,9 @@ struct sk_buff *i2400m_msg_to_dev(struct i2400m *i2400m, ack_l3l4_hdr = wimax_msg_data_len(ack_skb, &ack_len); /* Check the ack and deliver it if it is ok */ + if (unlikely(i2400m->trace_msg_from_user)) + wimax_msg(&i2400m->wimax_dev, "echo", + ack_l3l4_hdr, ack_len, GFP_KERNEL); result = i2400m_msg_size_check(i2400m, ack_l3l4_hdr, ack_len); if (result < 0) { dev_err(dev, "HW BUG? reply to message 0x%04x: %d\n", diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c index d33389fd7bd..ef16c573bb2 100644 --- a/drivers/net/wimax/i2400m/driver.c +++ b/drivers/net/wimax/i2400m/driver.c @@ -231,20 +231,10 @@ int i2400m_op_msg_from_user(struct wimax_dev *wimax_dev, d_fnstart(4, dev, "(wimax_dev %p [i2400m %p] msg_buf %p " "msg_len %zu genl_info %p)\n", wimax_dev, i2400m, msg_buf, msg_len, genl_info); - if (unlikely(i2400m->trace_msg_from_user)) - wimax_msg(&i2400m->wimax_dev, "echo", - msg_buf, msg_len, GFP_KERNEL); ack_skb = i2400m_msg_to_dev(i2400m, msg_buf, msg_len); result = PTR_ERR(ack_skb); if (IS_ERR(ack_skb)) goto error_msg_to_dev; - if (unlikely(i2400m->trace_msg_from_user)) { - const void *ack_data; - size_t ack_len; - ack_data = wimax_msg_data_len(ack_skb, &ack_len); - wimax_msg(&i2400m->wimax_dev, "echo", - ack_data, ack_len, GFP_KERNEL); - } result = wimax_msg_send(&i2400m->wimax_dev, ack_skb); error_msg_to_dev: d_fnend(4, dev, "(wimax_dev %p [i2400m %p] msg_buf %p msg_len %zu " -- 2.46.0