/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
- Copyright(c) 1999 - 2010 Intel Corporation.
+ Copyright(c) 1999 - 2011 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
netdev->netdev_ops->ndo_stop(netdev);
ixgbe_clear_interrupt_scheme(adapter);
- adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
adapter->last_lfc_mode = adapter->hw.fc.current_mode;
}
adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
+ if (!netdev_get_num_tc(netdev))
+ ixgbe_setup_tc(netdev, MAX_TRAFFIC_CLASS);
+
ixgbe_init_interrupt_scheme(adapter);
if (netif_running(netdev))
netdev->netdev_ops->ndo_open(netdev);
adapter->temp_dcb_cfg.pfc_mode_enable = false;
adapter->dcb_cfg.pfc_mode_enable = false;
adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
- adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
break;
}
+ ixgbe_setup_tc(netdev, 0);
+
ixgbe_init_interrupt_scheme(adapter);
if (netif_running(netdev))
netdev->netdev_ops->ndo_open(netdev);
struct ixgbe_adapter *adapter = netdev_priv(netdev);
int ret;
- if (!adapter->dcb_set_bitmap)
+ if (!adapter->dcb_set_bitmap ||
+ !(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
return DCB_NO_HW_CHG;
ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
- adapter->ring_feature[RING_F_DCB].indices);
+ MAX_TRAFFIC_CLASS);
if (ret)
return DCB_NO_HW_CHG;
if (adapter->dcb_set_bitmap & (BIT_PG_TX|BIT_PG_RX)) {
u16 refill[MAX_TRAFFIC_CLASS], max[MAX_TRAFFIC_CLASS];
u8 bwg_id[MAX_TRAFFIC_CLASS], prio_type[MAX_TRAFFIC_CLASS];
+ /* Priority to TC mapping in CEE case default to 1:1 */
+ u8 prio_tc[MAX_TRAFFIC_CLASS] = {0, 1, 2, 3, 4, 5, 6, 7};
int max_frame = adapter->netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
#ifdef CONFIG_FCOE
DCB_TX_CONFIG, prio_type);
ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max,
- bwg_id, prio_type);
+ bwg_id, prio_type, prio_tc);
}
if (adapter->dcb_cfg.pfc_mode_enable)
static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- u8 rval = 0;
- if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- switch (capid) {
- case DCB_CAP_ATTR_PG:
- *cap = true;
- break;
- case DCB_CAP_ATTR_PFC:
- *cap = true;
- break;
- case DCB_CAP_ATTR_UP2TC:
- *cap = false;
- break;
- case DCB_CAP_ATTR_PG_TCS:
- *cap = 0x80;
- break;
- case DCB_CAP_ATTR_PFC_TCS:
- *cap = 0x80;
- break;
- case DCB_CAP_ATTR_GSP:
- *cap = true;
- break;
- case DCB_CAP_ATTR_BCN:
- *cap = false;
- break;
- default:
- rval = -EINVAL;
- break;
- }
- } else {
- rval = -EINVAL;
+ switch (capid) {
+ case DCB_CAP_ATTR_PG:
+ *cap = true;
+ break;
+ case DCB_CAP_ATTR_PFC:
+ *cap = true;
+ break;
+ case DCB_CAP_ATTR_UP2TC:
+ *cap = false;
+ break;
+ case DCB_CAP_ATTR_PG_TCS:
+ *cap = 0x80;
+ break;
+ case DCB_CAP_ATTR_PFC_TCS:
+ *cap = 0x80;
+ break;
+ case DCB_CAP_ATTR_GSP:
+ *cap = true;
+ break;
+ case DCB_CAP_ATTR_BCN:
+ *cap = false;
+ break;
+ case DCB_CAP_ATTR_DCBX:
+ *cap = adapter->dcbx_cap;
+ break;
+ default:
+ *cap = false;
+ break;
}
- return rval;
+ return 0;
}
static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num)
*/
static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id)
{
- u8 rval = 0;
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct dcb_app app = {
+ .selector = idtype,
+ .protocol = id,
+ };
- switch (idtype) {
- case DCB_APP_IDTYPE_ETHTYPE:
-#ifdef IXGBE_FCOE
- if (id == ETH_P_FCOE)
- rval = ixgbe_fcoe_getapp(netdev_priv(netdev));
-#endif
- break;
- case DCB_APP_IDTYPE_PORTNUM:
- break;
- default:
- break;
- }
- return rval;
+ if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
+ return 0;
+
+ return dcb_getapp(netdev, &app);
}
/**
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;
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
/* Get current programmed tc */
old_tc = adapter->fcoe.tc;
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
__u16 refill[IEEE_8021QAZ_MAX_TCS], max[IEEE_8021QAZ_MAX_TCS];
+ __u8 prio_type[IEEE_8021QAZ_MAX_TCS];
int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN;
- int err;
+ int i, err;
+ __u64 *p = (__u64 *) ets->prio_tc;
/* naively give each TC a bwg to map onto CEE hardware */
__u8 bwg_id[IEEE_8021QAZ_MAX_TCS] = {0, 1, 2, 3, 4, 5, 6, 7};
+ if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
+ return -EINVAL;
+
if (!adapter->ixgbe_ieee_ets) {
adapter->ixgbe_ieee_ets = kmalloc(sizeof(struct ieee_ets),
GFP_KERNEL);
return -ENOMEM;
}
-
memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets));
+ /* Map TSA onto CEE prio type */
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
+ switch (ets->tc_tsa[i]) {
+ case IEEE_8021QAZ_TSA_STRICT:
+ prio_type[i] = 2;
+ break;
+ case IEEE_8021QAZ_TSA_ETS:
+ prio_type[i] = 0;
+ break;
+ default:
+ /* Hardware only supports priority strict or
+ * ETS transmission selection algorithms if
+ * we receive some other value from dcbnl
+ * throw an error
+ */
+ return -EINVAL;
+ }
+ }
+
+ if (*p)
+ ixgbe_dcbnl_set_state(dev, 1);
+ else
+ ixgbe_dcbnl_set_state(dev, 0);
+
ixgbe_ieee_credits(ets->tc_tx_bw, refill, max, max_frame);
err = ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max,
- bwg_id, ets->tc_tsa);
+ bwg_id, prio_type, ets->prio_tc);
return err;
}
struct ixgbe_adapter *adapter = netdev_priv(dev);
int err;
+ if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
+ return -EINVAL;
+
if (!adapter->ixgbe_ieee_pfc) {
adapter->ixgbe_ieee_pfc = kmalloc(sizeof(struct ieee_pfc),
GFP_KERNEL);
return err;
}
+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;
+}
+
+static u8 ixgbe_dcbnl_getdcbx(struct net_device *dev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ return adapter->dcbx_cap;
+}
+
+static u8 ixgbe_dcbnl_setdcbx(struct net_device *dev, u8 mode)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ struct ieee_ets ets = {0};
+ struct ieee_pfc pfc = {0};
+
+ /* no support for LLD_MANAGED modes or CEE+IEEE */
+ if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
+ ((mode & DCB_CAP_DCBX_VER_IEEE) && (mode & DCB_CAP_DCBX_VER_CEE)) ||
+ !(mode & DCB_CAP_DCBX_HOST))
+ return 1;
+
+ if (mode == adapter->dcbx_cap)
+ return 0;
+
+ adapter->dcbx_cap = mode;
+
+ /* ETS and PFC defaults */
+ ets.ets_cap = 8;
+ pfc.pfc_cap = 8;
+
+ if (mode & DCB_CAP_DCBX_VER_IEEE) {
+ ixgbe_dcbnl_ieee_setets(dev, &ets);
+ ixgbe_dcbnl_ieee_setpfc(dev, &pfc);
+ } else if (mode & DCB_CAP_DCBX_VER_CEE) {
+ adapter->dcb_set_bitmap |= (BIT_PFC & BIT_PG_TX & BIT_PG_RX);
+ ixgbe_dcbnl_set_all(dev);
+ } else {
+ /* Drop into single TC mode strict priority as this
+ * indicates CEE and IEEE versions are disabled
+ */
+ ixgbe_dcbnl_ieee_setets(dev, &ets);
+ ixgbe_dcbnl_ieee_setpfc(dev, &pfc);
+ ixgbe_dcbnl_set_state(dev, 0);
+ }
+
+ return 0;
+}
+
const struct dcbnl_rtnl_ops dcbnl_ops = {
.ieee_getets = ixgbe_dcbnl_ieee_getets,
.ieee_setets = ixgbe_dcbnl_ieee_setets,
.ieee_getpfc = ixgbe_dcbnl_ieee_getpfc,
.ieee_setpfc = ixgbe_dcbnl_ieee_setpfc,
+ .ieee_setapp = ixgbe_dcbnl_ieee_setapp,
.getstate = ixgbe_dcbnl_get_state,
.setstate = ixgbe_dcbnl_set_state,
.getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr,
.setpfcstate = ixgbe_dcbnl_setpfcstate,
.getapp = ixgbe_dcbnl_getapp,
.setapp = ixgbe_dcbnl_setapp,
+ .getdcbx = ixgbe_dcbnl_getdcbx,
+ .setdcbx = ixgbe_dcbnl_setdcbx,
};
-
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