From: Mayank Haarit <mayank.h@samsung.com>
Date: Tue, 3 Jul 2018 11:44:36 +0000 (+0530)
Subject: net-config:Generalize the setting of rps_cpus
X-Git-Tag: submit/tizen/20180706.050915~1^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=52ad195bd9b800d67d70094ea9123ecfe0d3ca0f;p=platform%2Fcore%2Fconnectivity%2Fnet-config.git

net-config:Generalize the setting of rps_cpus

This patch generalize the logic to set rps_cpus in
all receive queues of the wlan interface.

Change-Id: I2b4c2883338bcbaa989d52f9a1beac1409e2a5c7
Signed-off-by: Mayank Haarit <mayank.h@samsung.com>
---

diff --git a/src/wifi-firmware.c b/src/wifi-firmware.c
index 60a7abe..812755f 100755
--- a/src/wifi-firmware.c
+++ b/src/wifi-firmware.c
@@ -212,7 +212,7 @@ static int __netconfig_wifi_firmware_stop(enum netconfig_wifi_firmware type)
 
 static int __netconfig_set_rps_cpus(void)
 {
-	int fd, i;
+	int fd, curr;
 	ssize_t count;
 	char t_buf[TEMP_BUFFER_LEN];
 	char r_buf[TEMP_BUFFER_LEN];
@@ -224,50 +224,51 @@ static int __netconfig_set_rps_cpus(void)
 		DBG("WiFi driver loaded... ");
 	}
 
-	for (i = 0; i < QUAD_CPUS_COUNT; i++) {
-		snprintf(t_buf, TEMP_BUFFER_LEN, "/sys/class/net/wlan0/queues/rx-%d/rps_cpus", i);
-		DBG("Command : [%s]", t_buf);
-		fd = open(t_buf, O_RDWR | O_CLOEXEC);
+	snprintf(t_buf, TEMP_BUFFER_LEN, "/sys/class/net/wlan0/queues/rx-0/rps_cpus");
+	DBG("Command : [%s]", t_buf);
+	curr = 0;
+
+	while ((fd = open(t_buf, O_RDWR | O_CLOEXEC)) >= 0) {
+		curr++;
+		count = read(fd, r_buf, 1);
 
-		if (fd < 0) {
-			DBG("failed to open rps file");
+		if (count < 0) {
+			DBG("read failed");
+			close(fd);
 			return -1;
 		} else {
-			count = read(fd, r_buf, 1);
-
-			if (count < 0) {
-				DBG("read failed");
-				close(fd);
-				return -1;
-			} else {
-				DBG("read size = %d", count);
-			}
-
-			if (r_buf[0] == 'e') {
-				close(fd);
-				continue;
-			} else {
-				DBG("e is already written");
-			}
-
-			if (lseek(fd, 0, SEEK_SET) < 0) {
-				DBG("lseek failed");
-				close(fd);
-				return -1;
-			}
-
-			count = write(fd, "e", 1);
-
-			if (count < 0) {
-				DBG("write failed");
-				close(fd);
-				return -1;
-			} else {
-				DBG("write size = %d", count);
-			}
+			DBG("read size = %d", count);
+		}
 
+		if (r_buf[0] == 'e') {
 			close(fd);
+			DBG("e is already written");
+			snprintf(t_buf, TEMP_BUFFER_LEN, "/sys/class/net/wlan0/queues/rx-%d/rps_cpus", curr);
+			DBG("Command : [%s]", t_buf);
+			continue;
+		} else {
+			DBG("writing e");
+		}
+
+		if (lseek(fd, 0, SEEK_SET) < 0) {
+			DBG("lseek failed");
+			close(fd);
+			return -1;
 		}
+
+		count = write(fd, "e", 1);
+
+		if (count < 0) {
+			DBG("write failed");
+			close(fd);
+			return -1;
+		} else {
+			DBG("write size = %d", count);
+		}
+
+		close(fd);
+		snprintf(t_buf, TEMP_BUFFER_LEN, "/sys/class/net/wlan0/queues/rx-%d/rps_cpus", curr);
+		DBG("Command : [%s]", t_buf);
 	}
 
 	return 0;