ixgbe: Use rx buffer length from rx ring for configuring rscctl

While configuring rscctl use rx buffer length from rx ring structure
instead of passing rx_buf_len to ixgbe_configure_rscctl

Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index ffd1f16..a3a2a9a 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2066,18 +2066,18 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
  * ixgbe_configure_rscctl - enable RSC for the indicated ring
  * @adapter:    address of board private structure
  * @index:      index of ring to set
- * @rx_buf_len: rx buffer length
  **/
-static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index,
-                                   int rx_buf_len)
+static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index)
 {
        struct ixgbe_ring *rx_ring;
        struct ixgbe_hw *hw = &adapter->hw;
        int j;
        u32 rscctrl;
+       int rx_buf_len;
 
        rx_ring = &adapter->rx_ring[index];
        j = rx_ring->reg_idx;
+       rx_buf_len = rx_ring->rx_buf_len;
        rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
        rscctrl |= IXGBE_RSCCTL_RSCEN;
        /*
@@ -2285,7 +2285,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
        if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
                /* Enable 82599 HW-RSC */
                for (i = 0; i < adapter->num_rx_queues; i++)
-                       ixgbe_configure_rscctl(adapter, i, rx_buf_len);
+                       ixgbe_configure_rscctl(adapter, i);
 
                /* Disable RSC for ACK packets */
                IXGBE_WRITE_REG(hw, IXGBE_RSCDBU,