1 files changed, 42 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index 8179e5060a18..bb417d746a16 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -1242,6 +1242,47 @@ static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
         }
 }
 
+/**
+ * ixgbe_set_rxpba_82598 - Configure packet buffers
+ * @hw: pointer to hardware structure
+ * @dcb_config: pointer to ixgbe_dcb_config structure
+ *
+ * Configure packet buffers.
+ */
+static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb, u32 headroom,
+                                  int strategy)
+{
+        u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
+        u8  i = 0;
+
+        if (!num_pb)
+                return;
+
+        /* Setup Rx packet buffer sizes */
+        switch (strategy) {
+        case PBA_STRATEGY_WEIGHTED:
+                /* Setup the first four at 80KB */
+                rxpktsize = IXGBE_RXPBSIZE_80KB;
+                for (; i < 4; i++)
+                        IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
+                /* Setup the last four at 48KB...don't re-init i */
+                rxpktsize = IXGBE_RXPBSIZE_48KB;
+                /* Fall Through */
+        case PBA_STRATEGY_EQUAL:
+        default:
+                /* Divide the remaining Rx packet buffer evenly among the TCs */
+                for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
+                        IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
+                break;
+        }
+
+        /* Setup Tx packet buffer sizes */
+        for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
+                IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
+
+        return;
+}
+
 static struct ixgbe_mac_operations mac_ops_82598 = {
         .init_hw                = &ixgbe_init_hw_generic,
         .reset_hw               = &ixgbe_reset_hw_82598,
@@ -1257,6 +1298,7 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
         .read_analog_reg8       = &ixgbe_read_analog_reg8_82598,
         .write_analog_reg8      = &ixgbe_write_analog_reg8_82598,
         .setup_link             = &ixgbe_setup_mac_link_82598,
+        .set_rxpba              = &ixgbe_set_rxpba_82598,
         .check_link             = &ixgbe_check_mac_link_82598,
         .get_link_capabilities  = &ixgbe_get_link_capabilities_82598,
         .led_on                 = &ixgbe_led_on_generic,