pktgen: add pktgen_handle_all_threads() for the same code

The pktgen_{run, reset, stop}_all_threads() has the same code,
so add pktgen_handle_all_threads() for it.

Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3fba429f1f57b04c54389699e25b1eb060a3bd45..7e258d255e9087a1f493152511651d31d558ef17 100644 (file)
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -467,7 +467,7 @@ static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
 static int pktgen_device_event(struct notifier_block *, unsigned long, void *);
 static void pktgen_run_all_threads(struct pktgen_net *pn);
 static void pktgen_reset_all_threads(struct pktgen_net *pn);
-static void pktgen_stop_all_threads_ifs(struct pktgen_net *pn);
+static void pktgen_stop_all_threads(struct pktgen_net *pn);
 
 static void pktgen_stop(struct pktgen_thread *t);
 static void pktgen_clear_counters(struct pktgen_dev *pkt_dev);
@@ -516,14 +516,11 @@ static ssize_t pgctrl_write(struct file *file, const char __user *buf,
        data[count - 1] = 0;    /* Strip trailing '\n' and terminate string */
 
        if (!strcmp(data, "stop"))
-               pktgen_stop_all_threads_ifs(pn);
-
+               pktgen_stop_all_threads(pn);
        else if (!strcmp(data, "start"))
                pktgen_run_all_threads(pn);
-
        else if (!strcmp(data, "reset"))
                pktgen_reset_all_threads(pn);
-
        else
                return -EINVAL;
 
@@ -3027,20 +3024,25 @@ static void pktgen_run(struct pktgen_thread *t)
                t->control &= ~(T_STOP);
 }
 
-static void pktgen_stop_all_threads_ifs(struct pktgen_net *pn)
+static void pktgen_handle_all_threads(struct pktgen_net *pn, u32 flags)
 {
        struct pktgen_thread *t;
 
-       func_enter();
-
        mutex_lock(&pktgen_thread_lock);
 
        list_for_each_entry(t, &pn->pktgen_threads, th_list)
-               t->control |= T_STOP;
+               t->control |= (flags);
 
        mutex_unlock(&pktgen_thread_lock);
 }
 
+static void pktgen_stop_all_threads(struct pktgen_net *pn)
+{
+       func_enter();
+
+       pktgen_handle_all_threads(pn, T_STOP);
+}
+
 static int thread_is_running(const struct pktgen_thread *t)
 {
        const struct pktgen_dev *pkt_dev;
@@ -3103,16 +3105,9 @@ static int pktgen_wait_all_threads_run(struct pktgen_net *pn)
 
 static void pktgen_run_all_threads(struct pktgen_net *pn)
 {
-       struct pktgen_thread *t;
-
        func_enter();
 
-       mutex_lock(&pktgen_thread_lock);
-
-       list_for_each_entry(t, &pn->pktgen_threads, th_list)
-               t->control |= (T_RUN);
-
-       mutex_unlock(&pktgen_thread_lock);
+       pktgen_handle_all_threads(pn, T_RUN);
 
        /* Propagate thread->control  */
        schedule_timeout_interruptible(msecs_to_jiffies(125));
@@ -3122,16 +3117,9 @@ static void pktgen_run_all_threads(struct pktgen_net *pn)
 
 static void pktgen_reset_all_threads(struct pktgen_net *pn)
 {
-       struct pktgen_thread *t;
-
        func_enter();
 
-       mutex_lock(&pktgen_thread_lock);
-
-       list_for_each_entry(t, &pn->pktgen_threads, th_list)
-               t->control |= (T_REMDEVALL);
-
-       mutex_unlock(&pktgen_thread_lock);
+       pktgen_handle_all_threads(pn, T_REMDEVALL);
 
        /* Propagate thread->control  */
        schedule_timeout_interruptible(msecs_to_jiffies(125));