[adm5120] fix hardware byte swapping to work in little endian mode as well

[openwrt.git] / target / linux / adm5120-2.6 / files / drivers / net / adm5120sw.c

diff --git a/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
index 33489e5..dfc030e 100644 (file)
--- a/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
+++ b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
@@ -40,6 +40,11 @@ static unsigned char vlan_matrix[SW_DEVS] = {
        0x41, 0x42, 0x44, 0x48, 0x50, 0x60
 };
 
+/* default settings - unlimited TX and RX on all ports, default shaper mode */ 
+static unsigned char bw_matrix[SW_DEVS] = {
+       0, 0, 0, 0, 0, 0        
+};
+
 static int adm5120_nrdevs;
 
 static struct net_device *adm5120_devs[SW_DEVS];
@@ -205,6 +210,26 @@ static void adm5120_set_vlan(char *matrix)
        adm5120_set_reg(ADM5120_VLAN_GII, val);
 }
 
+static void adm5120_set_bw(char *matrix)
+{
+       unsigned long val;
+
+       /* Port 0 to 3 are set using the bandwidth control 0 register */
+       val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
+       adm5120_set_reg(ADM5120_BW_CTL0, val);
+
+       /* Port 4 and 5 are set using the bandwidth control 1 register */
+       val = matrix[4];
+       if (matrix[5] == 1)
+               adm5120_set_reg(ADM5120_BW_CTL1, val | 0x80000000);
+       else
+               adm5120_set_reg(ADM5120_BW_CTL1, val & ~0x8000000);
+
+       printk(KERN_DEBUG "D: ctl0 0x%x, ctl1 0x%x\n",
+               adm5120_get_reg(ADM5120_BW_CTL0),
+               adm5120_get_reg(ADM5120_BW_CTL1));
+}
+
 static int adm5120_sw_open(struct net_device *dev)
 {
        if (!adm5120_if_open++)
@@ -346,6 +371,19 @@ static int adm5120_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
                        if (err)
                                return -EFAULT;
                        break;
+               case SIOCGETBW:
+                       err = copy_to_user(rq->ifr_data, bw_matrix, sizeof(bw_matrix));
+                       if (err) 
+                               return -EFAULT; 
+                       break; 
+               case SIOCSETBW:
+                       if (!capable(CAP_NET_ADMIN)) 
+                               return -EPERM;
+                       err = copy_from_user(bw_matrix, rq->ifr_data, sizeof(bw_matrix));
+                       if (err) 
+                               return -EFAULT;
+                       adm5120_set_bw(bw_matrix);
+                       break; 
                default:
                        return -EOPNOTSUPP;
        }