Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_dcb_nl.c

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
index 652e4b09546db699eb4ff76189f8750bd163ca9e..a09d6b4f0ab0b97d37bca7f86c764b65d0c75d74 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
@@ -44,18 +44,26 @@
 #define DCB_NO_HW_CHG   1  /* DCB configuration did not change */
 #define DCB_HW_CHG      2  /* DCB configuration changed, no reset */
 
-int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *scfg,
-                      struct ixgbe_dcb_config *dcfg, int tc_max)
+static int ixgbe_copy_dcb_cfg(struct ixgbe_adapter *adapter, int tc_max)
 {
+       struct ixgbe_dcb_config *scfg = &adapter->temp_dcb_cfg;
+       struct ixgbe_dcb_config *dcfg = &adapter->dcb_cfg;
        struct tc_configuration *src = NULL;
        struct tc_configuration *dst = NULL;
        int i, j;
        int tx = DCB_TX_CONFIG;
        int rx = DCB_RX_CONFIG;
        int changes = 0;
+#ifdef IXGBE_FCOE
+       struct dcb_app app = {
+                             .selector = DCB_APP_IDTYPE_ETHTYPE,
+                             .protocol = ETH_P_FCOE,
+                            };
+       u8 up = dcb_getapp(adapter->netdev, &app);
 
-       if (!scfg || !dcfg)
-               return changes;
+       if (up && !(up & (1 << adapter->fcoe.up)))
+               changes |= BIT_APP_UPCHG;
+#endif
 
        for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
                src = &scfg->tc_config[i - DCB_PG_ATTR_TC_0];
@@ -332,28 +340,12 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        int ret = DCB_NO_HW_CHG;
        int i;
-#ifdef IXGBE_FCOE
-       struct dcb_app app = {
-                             .selector = DCB_APP_IDTYPE_ETHTYPE,
-                             .protocol = ETH_P_FCOE,
-                            };
-       u8 up;
-
-       /* In IEEE mode, use the IEEE Ethertype selector value */
-       if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) {
-               app.selector = IEEE_8021QAZ_APP_SEL_ETHERTYPE;
-               up = dcb_ieee_getapp_mask(netdev, &app);
-       } else {
-               up = dcb_getapp(netdev, &app);
-       }
-#endif
 
        /* Fail command if not in CEE mode */
        if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
                return ret;
 
-       adapter->dcb_set_bitmap |= ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg,
-                                                     &adapter->dcb_cfg,
+       adapter->dcb_set_bitmap |= ixgbe_copy_dcb_cfg(adapter,
                                                      MAX_TRAFFIC_CLASS);
        if (!adapter->dcb_set_bitmap)
                return ret;
@@ -440,8 +432,13 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
         * FCoE is using changes. This happens if the APP info
         * changes or the up2tc mapping is updated.
         */
-       if ((up && !(up & (1 << adapter->fcoe.up))) ||
-           (adapter->dcb_set_bitmap & BIT_APP_UPCHG)) {
+       if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) {
+               struct dcb_app app = {
+                                     .selector = DCB_APP_IDTYPE_ETHTYPE,
+                                     .protocol = ETH_P_FCOE,
+                                    };
+               u8 up = dcb_getapp(netdev, &app);
+
                adapter->fcoe.up = ffs(up) - 1;
                ixgbe_dcbnl_devreset(netdev);
                ret = DCB_HW_CHG_RST;
@@ -662,6 +659,13 @@ static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev,
                        return -ENOMEM;
        }
 
+       if (pfc->pfc_en) {
+               adapter->last_lfc_mode = adapter->hw.fc.current_mode;
+               adapter->hw.fc.current_mode = ixgbe_fc_pfc;
+       } else {
+               adapter->hw.fc.current_mode = adapter->last_lfc_mode;
+       }
+
        prio_tc = adapter->ixgbe_ieee_ets->prio_tc;
        memcpy(adapter->ixgbe_ieee_pfc, pfc, sizeof(*adapter->ixgbe_ieee_pfc));
        return ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en, prio_tc);