diff options
Diffstat (limited to 'Documentation/connector/cn_test.c')
-rw-r--r-- | Documentation/connector/cn_test.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/Documentation/connector/cn_test.c b/Documentation/connector/cn_test.c index 6a5be5d..1711adc 100644 --- a/Documentation/connector/cn_test.c +++ b/Documentation/connector/cn_test.c @@ -19,6 +19,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define pr_fmt(fmt) "cn_test: " fmt + #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -27,18 +29,17 @@ #include <linux/connector.h> -static struct cb_id cn_test_id = { 0x123, 0x456 }; +static struct cb_id cn_test_id = { CN_NETLINK_USERS + 3, 0x456 }; static char cn_test_name[] = "cn_test"; static struct sock *nls; static struct timer_list cn_test_timer; -void cn_test_callback(void *data) +static void cn_test_callback(struct cn_msg *msg) { - struct cn_msg *msg = (struct cn_msg *)data; - - printk("%s: %lu: idx=%x, val=%x, seq=%u, ack=%u, len=%d: %s.\n", - __func__, jiffies, msg->id.idx, msg->id.val, - msg->seq, msg->ack, msg->len, (char *)msg->data); + pr_info("%s: %lu: idx=%x, val=%x, seq=%u, ack=%u, len=%d: %s.\n", + __func__, jiffies, msg->id.idx, msg->id.val, + msg->seq, msg->ack, msg->len, + msg->len ? (char *)msg->data : ""); } /* @@ -63,9 +64,7 @@ static int cn_test_want_notify(void) skb = alloc_skb(size, GFP_ATOMIC); if (!skb) { - printk(KERN_ERR "Failed to allocate new skb with size=%u.\n", - size); - + pr_err("failed to allocate new skb with size=%u\n", size); return -ENOMEM; } @@ -114,12 +113,12 @@ static int cn_test_want_notify(void) //netlink_broadcast(nls, skb, 0, ctl->group, GFP_ATOMIC); netlink_unicast(nls, skb, 0, 0); - printk(KERN_INFO "Request was sent. Group=0x%x.\n", ctl->group); + pr_info("request was sent: group=0x%x\n", ctl->group); return 0; nlmsg_failure: - printk(KERN_ERR "Failed to send %u.%u\n", msg->seq, msg->ack); + pr_err("failed to send %u.%u\n", msg->seq, msg->ack); kfree_skb(skb); return -EINVAL; } @@ -131,6 +130,8 @@ static void cn_test_timer_func(unsigned long __data) struct cn_msg *m; char data[32]; + pr_debug("%s: timer fired with data %lu\n", __func__, __data); + m = kzalloc(sizeof(*m) + sizeof(data), GFP_ATOMIC); if (m) { @@ -150,7 +151,7 @@ static void cn_test_timer_func(unsigned long __data) cn_test_timer_counter++; - mod_timer(&cn_test_timer, jiffies + HZ); + mod_timer(&cn_test_timer, jiffies + msecs_to_jiffies(1000)); } static int cn_test_init(void) @@ -168,8 +169,10 @@ static int cn_test_init(void) } setup_timer(&cn_test_timer, cn_test_timer_func, 0); - cn_test_timer.expires = jiffies + HZ; - add_timer(&cn_test_timer); + mod_timer(&cn_test_timer, jiffies + msecs_to_jiffies(1000)); + + pr_info("initialized with id={%u.%u}\n", + cn_test_id.idx, cn_test_id.val); return 0; |