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path: root/drivers/net/ixgbe/ixgbe_dcb_nl.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb_nl.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_nl.c129
1 files changed, 80 insertions, 49 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index 5e7ed225851a..0ace6ce1d0b4 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -114,20 +114,19 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
u8 err = 0;
struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ /* verify there is something to do, if not then exit */
+ if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
+ return err;
+
if (state > 0) {
/* Turn on DCB */
- if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
- goto out;
-
if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
e_err(drv, "Enable failed, needs MSI-X\n");
err = 1;
goto out;
}
- if (netif_running(netdev))
- netdev->netdev_ops->ndo_stop(netdev);
- ixgbe_clear_interrupt_scheme(adapter);
+ adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
@@ -137,46 +136,30 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
- adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
break;
default:
break;
}
- 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);
+ ixgbe_setup_tc(netdev, MAX_TRAFFIC_CLASS);
} else {
/* Turn off DCB */
- if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- if (netif_running(netdev))
- netdev->netdev_ops->ndo_stop(netdev);
- ixgbe_clear_interrupt_scheme(adapter);
-
- adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
- adapter->temp_dcb_cfg.pfc_mode_enable = false;
- adapter->dcb_cfg.pfc_mode_enable = false;
- adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
- switch (adapter->hw.mac.type) {
- case ixgbe_mac_82599EB:
- case ixgbe_mac_X540:
+ adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
+ adapter->temp_dcb_cfg.pfc_mode_enable = false;
+ adapter->dcb_cfg.pfc_mode_enable = false;
+ adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
- break;
- default:
- break;
- }
-
- ixgbe_setup_tc(netdev, 0);
-
- ixgbe_init_interrupt_scheme(adapter);
- if (netif_running(netdev))
- netdev->netdev_ops->ndo_open(netdev);
+ break;
+ default:
+ break;
}
+ ixgbe_setup_tc(netdev, 0);
}
+
out:
return err;
}
@@ -347,24 +330,20 @@ static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int ret;
+#ifdef IXGBE_FCOE
struct dcb_app app = {
.selector = DCB_APP_IDTYPE_ETHTYPE,
.protocol = ETH_P_FCOE,
};
u8 up = dcb_getapp(netdev, &app);
- int ret;
+#endif
ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
MAX_TRAFFIC_CLASS);
if (ret)
return DCB_NO_HW_CHG;
- /* In IEEE mode app data must be parsed into DCBX format for
- * hardware routines.
- */
- if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)
- up = (1 << up);
-
#ifdef IXGBE_FCOE
if (up && (up != (1 << adapter->fcoe.up)))
adapter->dcb_set_bitmap |= BIT_APP_UPCHG;
@@ -378,7 +357,7 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
usleep_range(1000, 2000);
- ixgbe_fcoe_setapp(adapter, up);
+ adapter->fcoe.up = ffs(up) - 1;
if (netif_running(netdev))
netdev->netdev_ops->ndo_stop(netdev);
@@ -691,24 +670,75 @@ static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev,
return err;
}
+#ifdef IXGBE_FCOE
+static void ixgbe_dcbnl_devreset(struct net_device *dev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+
+ if (netif_running(dev))
+ dev->netdev_ops->ndo_stop(dev);
+
+ ixgbe_clear_interrupt_scheme(adapter);
+ ixgbe_init_interrupt_scheme(adapter);
+
+ if (netif_running(dev))
+ dev->netdev_ops->ndo_open(dev);
+}
+#endif
+
static int ixgbe_dcbnl_ieee_setapp(struct net_device *dev,
struct dcb_app *app)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
+ int err = -EINVAL;
if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
- return -EINVAL;
+ return err;
- dcb_setapp(dev, app);
+ err = dcb_ieee_setapp(dev, app);
#ifdef IXGBE_FCOE
- if (app->selector == 1 && app->protocol == ETH_P_FCOE &&
- adapter->fcoe.tc == app->priority)
- ixgbe_dcbnl_set_all(dev);
+ if (!err && app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
+ app->protocol == ETH_P_FCOE) {
+ u8 app_mask = dcb_ieee_getapp_mask(dev, app);
+
+ if (app_mask & (1 << adapter->fcoe.up))
+ return err;
+
+ adapter->fcoe.up = app->priority;
+ ixgbe_dcbnl_devreset(dev);
+ }
#endif
return 0;
}
+static int ixgbe_dcbnl_ieee_delapp(struct net_device *dev,
+ struct dcb_app *app)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ int err;
+
+ if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
+ return -EINVAL;
+
+ err = dcb_ieee_delapp(dev, app);
+
+#ifdef IXGBE_FCOE
+ if (!err && app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
+ app->protocol == ETH_P_FCOE) {
+ u8 app_mask = dcb_ieee_getapp_mask(dev, app);
+
+ if (app_mask & (1 << adapter->fcoe.up))
+ return err;
+
+ adapter->fcoe.up = app_mask ?
+ ffs(app_mask) - 1 : IXGBE_FCOE_DEFTC;
+ ixgbe_dcbnl_devreset(dev);
+ }
+#endif
+ return err;
+}
+
static u8 ixgbe_dcbnl_getdcbx(struct net_device *dev)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
@@ -760,6 +790,7 @@ const struct dcbnl_rtnl_ops dcbnl_ops = {
.ieee_getpfc = ixgbe_dcbnl_ieee_getpfc,
.ieee_setpfc = ixgbe_dcbnl_ieee_setpfc,
.ieee_setapp = ixgbe_dcbnl_ieee_setapp,
+ .ieee_delapp = ixgbe_dcbnl_ieee_delapp,
.getstate = ixgbe_dcbnl_get_state,
.setstate = ixgbe_dcbnl_set_state,
.getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr,
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-24 19:11:52 +0000