Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net...

[profile/ivi/kernel-adaptation-intel-automotive.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_main.c

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index ac1d925..4e55860 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2839,22 +2839,22 @@ static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
        /*
         * we must limit the number of descriptors so that the
         * total size of max desc * buf_len is not greater
-        * than 65535
+        * than 65536
         */
        if (ring_is_ps_enabled(ring)) {
-#if (MAX_SKB_FRAGS > 16)
+#if (PAGE_SIZE < 8192)
                rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-#elif (MAX_SKB_FRAGS > 8)
+#elif (PAGE_SIZE < 16384)
                rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-#elif (MAX_SKB_FRAGS > 4)
+#elif (PAGE_SIZE < 32768)
                rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
 #else
                rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
 #endif
        } else {
-               if (rx_buf_len < IXGBE_RXBUFFER_4K)
+               if (rx_buf_len <= IXGBE_RXBUFFER_4K)
                        rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-               else if (rx_buf_len < IXGBE_RXBUFFER_8K)
+               else if (rx_buf_len <= IXGBE_RXBUFFER_8K)
                        rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
                else
                        rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
@@ -3036,7 +3036,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
        IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits);
 
        vf_shift = adapter->num_vfs % 32;
-       reg_offset = (adapter->num_vfs > 32) ? 1 : 0;
+       reg_offset = (adapter->num_vfs >= 32) ? 1 : 0;
 
        /* Enable only the PF's pool for Tx/Rx */
        IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift));
@@ -4535,6 +4535,10 @@ static int ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
        adapter->num_tx_queues = 1;
 
 done:
+       if ((adapter->netdev->reg_state == NETREG_UNREGISTERED) ||
+           (adapter->netdev->reg_state == NETREG_UNREGISTERING))
+               return 0;
+
        /* Notify the stack of the (possibly) reduced queue counts. */
        netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues);
        return netif_set_real_num_rx_queues(adapter->netdev,