static int ixgbe_dcbnl_ieee_setapp(struct net_device *dev,
struct dcb_app *app)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
return -EINVAL;
#ifdef IXGBE_FCOE
if (app->selector == 1 && app->protocol == ETH_P_FCOE) {
if (adapter->fcoe.tc == app->priority)
goto setapp;
/* In IEEE mode map up to tc 1:1 */
adapter->fcoe.tc = app->priority;
adapter->fcoe.up = app->priority;
/* Force hardware reset required to push FCoE
* setup on {tx|rx}_rings
*/
adapter->dcb_set_bitmap |= BIT_APP_UPCHG;
ixgbe_dcbnl_set_all(dev);
}
setapp:
#endif
dcb_setapp(dev, app);
return 0;
}
/**
* ixgbe_dcbnl_setapp - set the DCBX application user priority
* @netdev : the corresponding netdev
* @idtype : identifies the id as ether type or TCP/UDP port number
* @id: id is either ether type or TCP/UDP port number
* @up: the 802.1p user priority bitmap
*
* Returns : 0 on success or 1 on error
*/
static u8 ixgbe_dcbnl_setapp(struct net_device *netdev,
u8 idtype, u16 id, u8 up)
{
int err = 0;
#ifdef HAVE_DCBNL_IEEE
struct dcb_app app;
app.selector = idtype;
app.protocol = id;
app.priority = up;
err = dcb_setapp(netdev, &app);
#endif
switch (idtype) {
case DCB_APP_IDTYPE_ETHTYPE:
#ifdef IXGBE_FCOE
if (id == ETH_P_FCOE) {
struct ixgbe_adapter *adapter = netdev_priv(netdev);
adapter->fcoe.up = ffs(up) - 1;
}
#endif
break;
case DCB_APP_IDTYPE_PORTNUM:
break;
default:
break;
}
return err;
}
/**
* ixgbe_dcbnl_setapp - set the DCBX application user priority
* @netdev : the corresponding netdev
* @idtype : identifies the id as ether type or TCP/UDP port number
* @id: id is either ether type or TCP/UDP port number
* @up: the 802.1p user priority bitmap
*
* Returns : 0 on success or 1 on error
*/
static u8 ixgbe_dcbnl_setapp(struct net_device *netdev,
u8 idtype, u16 id, u8 up)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
u8 rval = 1;
struct dcb_app app = {
.selector = idtype,
.protocol = id,
.priority = up
};
if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
return rval;
rval = dcb_setapp(netdev, &app);
switch (idtype) {
case DCB_APP_IDTYPE_ETHTYPE:
#ifdef IXGBE_FCOE
if (id == ETH_P_FCOE) {
u8 old_tc;
/* Get current programmed tc */
old_tc = adapter->fcoe.tc;
rval = ixgbe_fcoe_setapp(adapter, up);
if (rval ||
!(adapter->flags & IXGBE_FLAG_DCB_ENABLED) ||
!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED))
break;
/* The FCoE application priority may be changed multiple
* times in quick succession with switches that build up
* TLVs. To avoid creating uneeded device resets this
* checks the actual HW configuration and clears
* BIT_APP_UPCHG if a HW configuration change is not
* need
*/
if (old_tc == adapter->fcoe.tc)
adapter->dcb_set_bitmap &= ~BIT_APP_UPCHG;
else
adapter->dcb_set_bitmap |= BIT_APP_UPCHG;
}
#endif
break;
case DCB_APP_IDTYPE_PORTNUM:
break;
default:
break;
}
return rval;
}
