ixgbe: use ETQF filter name instead of magic number

This patch removes a magic number that was used for the ETQF used for
filtering L2 ptp packets and replaces it with the supplied define that
previously existed. The intent is to clarify that this filter is already
set aside for L2 1588 work.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 01d99af0b9bad90816ac9ccb9dc9f85bc8002617..29ca2931c22a4225296adced540ae52b4eb7000b 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -704,14 +704,14 @@ int ixgbe_ptp_hwtstamp_ioctl(struct ixgbe_adapter *adapter,
        /* Store filter value for later use */
        adapter->rx_hwtstamp_filter = config.rx_filter;
 
-       /* define ethertype filter for timestamped packets */
+       /* define ethertype filter for timestamping L2 packets */
        if (is_l2)
-               IXGBE_WRITE_REG(hw, IXGBE_ETQF(3),
+               IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_1588),
                                (IXGBE_ETQF_FILTER_EN | /* enable filter */
                                 IXGBE_ETQF_1588 | /* enable timestamping */
                                 ETH_P_1588));     /* 1588 eth protocol type */
        else
-               IXGBE_WRITE_REG(hw, IXGBE_ETQF(3), 0);
+               IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_1588), 0);
 
 #define PTP_PORT 319
        /* L4 Queue Filter[3]: filter by destination port and protocol */