Changeset 18257

Timestamp:

01/21/12 18:09:05 (16 months ago)

Author:

BrainSlayer

Message:

save memory if these devices arent used. so just do not load the drivers if they arent needed

File:

• src/router/services/sysinit/devices/wireless.c (modified) (2 diffs)

src/router/services/sysinit/devices/wireless.c

@@ -68 +68 @@
 #define setWirelessLedPhy1(b) setWirelessLed(1,b+48)
 
+static char *has_device(char *dev)
+{
+        char path[64];
+        static char devstr[32];
+        sprintf(path, "/sys/bus/pci/devices/0000:00:%s/device", dev);
+        FILE *fp = fopen(path, "rb");
+        if (fp) {
+                fscanf(fp, "%s", devstr);
+                fclose(fp);
+                return devstr;
+        }
+
+        return "";
+}
+
+#define AR5416_DEVID_PCI        0x0023
+#define AR5416_DEVID_PCIE       0x0024
+#define AR9160_DEVID_PCI        0x0027
+#define AR9280_DEVID_PCI        0x0029
+#define AR9280_DEVID_PCIE       0x002a
+#define AR9285_DEVID_PCIE       0x002b
+#define AR2427_DEVID_PCIE       0x002c
+#define AR9287_DEVID_PCI        0x002d
+#define AR9287_DEVID_PCIE       0x002e
+#define AR9300_DEVID_PCIE       0x0030
+#define AR9300_DEVID_AR9340     0x0031
+#define AR9300_DEVID_AR9485_PCIE 0x0032
+#define AR9300_DEVID_AR9580     0x0033
+#define AR9300_DEVID_AR9462     0x0034
+#define AR9300_DEVID_AR9330     0x0035
+
+#define AR5416_AR9100_DEVID     0x000b
+
 static void detect_wireless_devices(void)
 {
+        int loadath9k = 1;
+        int loadlegacy = 1;
 #ifdef HAVE_RT61
-        FILE *fp = fopen("/sys/bus/pci/devices/0000:00:0e.0/device", "rb");
-        if (fp) {
-                char str[32];
-                fscanf(fp, "%s", str);
-                fclose(fp);
-                if (!strcmp(str, "0x3592"))
-                        nvram_set("rtchip", "3062");
-                else
-                        nvram_set("rtchip", "2860");
-        } else
+        if (!strcmp(has_device("0e.00"), "0x3592"))
+                nvram_set("rtchip", "3062");
+        else
                 nvram_set("rtchip", "2860");
-
+#endif
+#ifdef HAVE_XSCALE
+        loadath9k = 0;
+        loadlegacy = 0;
+        char path[32];
+        int i = 0;
+        for (i = 0; i < 5; i++) {
+                sprintf(path, "0%d.00", i);
+                if (!strcmp(has_device(path), "0x0023"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0024"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0027"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0029"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x002a"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x002b"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x002c"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x002d"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x002e"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0030"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0031"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0032"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0034"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x0035"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x000b"))
+                        loadath9k = 1;
+                if (!strcmp(has_device(path), "0x001b"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0013"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0207"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0007"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0xff16"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0012"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x1014"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x101a"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0015"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0016"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0017"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0018"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x0019"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x001a"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x001b"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x018a"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x001c"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x001d"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0x9013"))
+                        loadlegacy = 1;
+                if (!strcmp(has_device(path), "0xff1a"))
+                        loadlegacy = 1;
+        }
 #endif
 #ifndef HAVE_NOWIFI
         nvram_default_get("rate_control", "minstrel");
 #ifdef HAVE_MADWIFI
-        fprintf(stderr, "load ATH 802.11 a/b/g Driver\n");
-        insmod("ath_hal");
-        if (nvram_get("rate_control") != NULL) {
-                char rate[64];
-
-                sprintf(rate, "ratectl=%s", nvram_safe_get("rate_control"));
-                eval("insmod", "ath_pci", rate);
-                eval("insmod", "ath_ahb", rate);
-        } else {
-                insmod("ath_pci");
-                insmod("ath_ahb");
+        if (loadlegacy) {
+                fprintf(stderr, "load ATH 802.11 a/b/g Driver\n");
+                insmod("ath_hal");
+                if (nvram_get("rate_control") != NULL) {
+                        char rate[64];
+
+                        sprintf(rate, "ratectl=%s",
+                                nvram_safe_get("rate_control"));
+                        eval("insmod", "ath_pci", rate);
+                        eval("insmod", "ath_ahb", rate);
+                } else {
+                        insmod("ath_pci");
+                        insmod("ath_ahb");
+                }
         }
 #ifdef HAVE_ATH9K
@@ -106 +215 @@
 #endif
         {
-                fprintf(stderr, "load ATH9K 802.11n Driver\n");
-                // some are just for future use and not (yet) there
-                insmod("/lib/ath9k/compat.ko");
-                insmod("/lib/ath9k/compat_firmware_class.ko");
-                insmod("/lib/ath9k/cfg80211.ko");
-                insmod("/lib/ath9k/mac80211.ko");
-                insmod("/lib/ath9k/ath.ko");
-                insmod("/lib/ath9k/ath9k_hw.ko");
-                insmod("/lib/ath9k/ath9k_common.ko");
+                if (loadath9k) {
+                        fprintf(stderr, "load ATH9K 802.11n Driver\n");
+                        // some are just for future use and not (yet) there
+                        insmod("/lib/ath9k/compat.ko");
+                        insmod("/lib/ath9k/compat_firmware_class.ko");
+                        insmod("/lib/ath9k/cfg80211.ko");
+                        insmod("/lib/ath9k/mac80211.ko");
+                        insmod("/lib/ath9k/ath.ko");
+                        insmod("/lib/ath9k/ath9k_hw.ko");
+                        insmod("/lib/ath9k/ath9k_common.ko");
 #ifdef HAVE_WZRG450
-                system("/sbin/insmod /lib/ath9k/ath9k.ko blink=1");
+                        system("/sbin/insmod /lib/ath9k/ath9k.ko blink=1");
 #else
-                insmod("/lib/ath9k/ath9k.ko");
-#endif
-                delete_ath9k_devices(NULL);
+                        insmod("/lib/ath9k/ath9k.ko");
+#endif
+                        delete_ath9k_devices(NULL);
+                }
         } else {
 #endif
 #ifdef HAVE_MADWIFI_MIMO
-                fprintf(stderr, "load ATH 802.11n Driver\n");
-                insmod("/lib/80211n/ath_mimo_hal.ko");
-                if (nvram_get("rate_control") != NULL) {
-                        char rate[64];
-
-                        sprintf(rate, "ratectl=%s",
-                                nvram_safe_get("rate_control"));
-                        insmod("/lib/80211n/ath_mimo_pci.ko");
-                        insmod("/lib/80211n/ath_mimo_ahb.ko");
-                } else {
-                        insmod("/lib/80211n/ath_mimo_pci.ko");
-                        insmod("/lib/80211n/ath_mimo_ahb.ko");
+                if (loadath9k) {
+                        fprintf(stderr, "load ATH 802.11n Driver\n");
+                        insmod("/lib/80211n/ath_mimo_hal.ko");
+                        if (nvram_get("rate_control") != NULL) {
+                                char rate[64];
+
+                                sprintf(rate, "ratectl=%s",
+                                        nvram_safe_get("rate_control"));
+                                insmod("/lib/80211n/ath_mimo_pci.ko");
+                                insmod("/lib/80211n/ath_mimo_ahb.ko");
+                        } else {
+                                insmod("/lib/80211n/ath_mimo_pci.ko");
+                                insmod("/lib/80211n/ath_mimo_ahb.ko");
+                        }
                 }
 #endif