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path: root/drivers/net/ixgbe/ixgbe_fcoe.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_fcoe.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_fcoe.c76
1 files changed, 63 insertions, 13 deletions
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index a3c9f99..da32a10 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -499,6 +499,10 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
struct ixgbe_fcoe *fcoe = &adapter->fcoe;
struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE];
+#ifdef CONFIG_IXGBE_DCB
+ u8 tc;
+ u32 up2tc;
+#endif
/* create the pool for ddp if not created yet */
if (!fcoe->pool) {
@@ -540,6 +544,17 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
IXGBE_FCRXCTRL_FCOELLI |
IXGBE_FCRXCTRL_FCCRCBO |
(FC_FCOE_VER << IXGBE_FCRXCTRL_FCOEVER_SHIFT));
+#ifdef CONFIG_IXGBE_DCB
+ up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC);
+ for (i = 0; i < MAX_USER_PRIORITY; i++) {
+ tc = (u8)(up2tc >> (i * IXGBE_RTTUP2TC_UP_SHIFT));
+ tc &= (MAX_TRAFFIC_CLASS - 1);
+ if (fcoe->tc == tc) {
+ fcoe->up = i;
+ break;
+ }
+ }
+#endif
}
/**
@@ -671,19 +686,7 @@ out_disable:
*/
u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter)
{
- int i;
- u8 tc;
- u32 up2tc;
-
- up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC);
- for (i = 0; i < MAX_USER_PRIORITY; i++) {
- tc = (u8)(up2tc >> (i * IXGBE_RTTUP2TC_UP_SHIFT));
- tc &= (MAX_TRAFFIC_CLASS - 1);
- if (adapter->fcoe.tc == tc)
- return 1 << i;
- }
-
- return 0;
+ return 1 << adapter->fcoe.up;
}
/**
@@ -710,6 +713,7 @@ u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up)
up2tc >>= (i * IXGBE_RTTUP2TC_UP_SHIFT);
up2tc &= (MAX_TRAFFIC_CLASS - 1);
adapter->fcoe.tc = (u8)up2tc;
+ adapter->fcoe.up = i;
return 0;
}
}
@@ -718,3 +722,49 @@ u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up)
return 1;
}
#endif /* CONFIG_IXGBE_DCB */
+
+/**
+ * ixgbe_fcoe_get_wwn - get world wide name for the node or the port
+ * @netdev : ixgbe adapter
+ * @wwn : the world wide name
+ * @type: the type of world wide name
+ *
+ * Returns the node or port world wide name if both the prefix and the san
+ * mac address are valid, then the wwn is formed based on the NAA-2 for
+ * IEEE Extended name identifier (ref. to T10 FC-LS Spec., Sec. 15.3).
+ *
+ * Returns : 0 on success
+ */
+int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
+{
+ int rc = -EINVAL;
+ u16 prefix = 0xffff;
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_mac_info *mac = &adapter->hw.mac;
+
+ switch (type) {
+ case NETDEV_FCOE_WWNN:
+ prefix = mac->wwnn_prefix;
+ break;
+ case NETDEV_FCOE_WWPN:
+ prefix = mac->wwpn_prefix;
+ break;
+ default:
+ break;
+ }
+
+ if ((prefix != 0xffff) &&
+ is_valid_ether_addr(mac->san_addr)) {
+ *wwn = ((u64) prefix << 48) |
+ ((u64) mac->san_addr[0] << 40) |
+ ((u64) mac->san_addr[1] << 32) |
+ ((u64) mac->san_addr[2] << 24) |
+ ((u64) mac->san_addr[3] << 16) |
+ ((u64) mac->san_addr[4] << 8) |
+ ((u64) mac->san_addr[5]);
+ rc = 0;
+ }
+ return rc;
+}
+
+
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