switch: resetting and enabling vlan write for gigabit switches

This patch makes it possible to reset and enable writing vlans to recent switchs.

This is based on a patch by jcharest and the Broadcom SDK.

SVN-Revision: 35585

diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
index aaccdd9f6b8873144b52abd9f2e5497231820475..2aacc36663e93819f868dc721750704e3f43df87 100644 (file)
--- a/package/switch/src/switch-robo.c
+++ b/package/switch/src/switch-robo.c
@@ -693,12 +693,16 @@ static int handle_enable_vlan_read(void *driver, char *buf, int nr)
 
 static int handle_enable_vlan_write(void *driver, char *buf, int nr)
 {
+       __u16 val16;
        int disable = ((buf[0] != '1') ? 1 : 0);
 
+       val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0);
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
-               (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
+               val16 | (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
+
+       val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1);
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
-               (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) :
+               val16 | (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) :
                0) | (1 << 2) | (1 << 3)); /* RSV multicast */
 
        if (robo.devid != ROBO_DEVICE_ID_5325)
@@ -712,15 +716,11 @@ static int handle_enable_vlan_write(void *driver, char *buf, int nr)
        return 0;
 }
 
-static int handle_reset(void *driver, char *buf, int nr)
+static void handle_reset_old(switch_driver *d, char *buf, int nr)
 {
-       switch_driver *d = (switch_driver *) driver;
        int j;
        __u16 val16;
 
-       /* disable switching */
-       set_switch(0);
-
        /* reset vlans */
        for (j = 0; j <= ((robo.is_5365) ? VLAN_ID_MAX_5365 : VLAN_ID_MAX); j++) {
                /* write config now */
@@ -733,6 +733,44 @@ static int handle_reset(void *driver, char *buf, int nr)
                                                            ROBO_VLAN_TABLE_ACCESS,
                             val16);
        }
+}
+
+static void handle_reset_new(switch_driver *d, char *buf, int nr)
+{
+       int j;
+       __u8 vtbl_entry, vtbl_index, vtbl_access;
+
+       if ((robo.devid == ROBO_DEVICE_ID_5395) ||
+           (robo.devid == ROBO_DEVICE_ID_53115)) {
+               vtbl_access = ROBO_VTBL_ACCESS_5395;
+               vtbl_index = ROBO_VTBL_INDX_5395;
+               vtbl_entry = ROBO_VTBL_ENTRY_5395;
+       } else {
+               vtbl_access = ROBO_VTBL_ACCESS;
+               vtbl_index = ROBO_VTBL_INDX;
+               vtbl_entry = ROBO_VTBL_ENTRY;
+       }
+
+       for (j = 0; j <= VLAN_ID_MAX; j++) {
+               /* write config now */
+               robo_write32(ROBO_ARLIO_PAGE, vtbl_entry, 0);
+               robo_write16(ROBO_ARLIO_PAGE, vtbl_index, j);
+               robo_write16(ROBO_ARLIO_PAGE, vtbl_access, 1 << 7);
+       }
+}
+
+static int handle_reset(void *driver, char *buf, int nr)
+{
+       int j;
+       switch_driver *d = (switch_driver *) driver;
+
+       /* disable switching */
+       set_switch(0);
+
+       if (robo.devid != ROBO_DEVICE_ID_5325)
+               handle_reset_new(d, buf, nr);
+       else
+               handle_reset_old(d, buf, nr);
 
        /* reset ports to a known good state */
        for (j = 0; j < d->ports; j++) {