Use new return type of ptp_get_msgtype(). Remove usage of magic numbers.

Signed-off-by: Christian Eggers <cegg...@arri.de>
Cc: Ioana Ciornei <ioana.cior...@nxp.com>
Cc: Ioana Radulescu <ruxandra.radule...@nxp.com>
Cc: Yangbo Lu <yangbo...@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c 
b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index cf9400a9886d..7e6084124f8f 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -617,7 +617,7 @@ static int dpaa2_eth_consume_frames(struct 
dpaa2_eth_channel *ch,
 }
 
 static int dpaa2_eth_ptp_parse(struct sk_buff *skb,
-                              u8 *msgtype, u8 *twostep, u8 *udp,
+                              enum ptp_msg_type *msgtype, u8 *twostep, u8 *udp,
                               u16 *correction_offset,
                               u16 *origintimestamp_offset)
 {
@@ -659,7 +659,7 @@ static void dpaa2_eth_enable_tx_tstamp(struct 
dpaa2_eth_priv *priv,
 {
        struct ptp_tstamp origin_timestamp;
        struct dpni_single_step_cfg cfg;
-       u8 msgtype, twostep, udp;
+       u8 twostep, udp;
        struct dpaa2_faead *faead;
        struct dpaa2_fas *fas;
        struct timespec64 ts;
@@ -684,9 +684,11 @@ static void dpaa2_eth_enable_tx_tstamp(struct 
dpaa2_eth_priv *priv,
        faead->ctrl = cpu_to_le32(ctrl);
 
        if (skb->cb[0] == TX_TSTAMP_ONESTEP_SYNC) {
+               enum ptp_msg_type msgtype;
+
                if (dpaa2_eth_ptp_parse(skb, &msgtype, &twostep, &udp,
                                        &offset1, &offset2) ||
-                   msgtype != 0 || twostep) {
+                   msgtype != PTP_MSGTYPE_SYNC || twostep) {
                        WARN_ONCE(1, "Bad packet for one-step timestamping\n");
                        return;
                }
@@ -1195,7 +1197,7 @@ static void dpaa2_eth_tx_onestep_tstamp(struct 
work_struct *work)
 static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device 
*net_dev)
 {
        struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
-       u8 msgtype, twostep, udp;
+       u8 twostep, udp;
        u16 offset1, offset2;
 
        /* Utilize skb->cb[0] for timestamping request per skb */
@@ -1210,9 +1212,11 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, 
struct net_device *net_dev)
 
        /* TX for one-step timestamping PTP Sync packet */
        if (skb->cb[0] == TX_TSTAMP_ONESTEP_SYNC) {
+               enum ptp_msg_type msgtype;
+
                if (!dpaa2_eth_ptp_parse(skb, &msgtype, &twostep, &udp,
                                         &offset1, &offset2))
-                       if (msgtype == 0 && twostep == 0) {
+                       if (msgtype == PTP_MSGTYPE_SYNC && twostep == 0) {
                                skb_queue_tail(&priv->tx_skbs, skb);
                                queue_work(priv->dpaa2_ptp_wq,
                                           &priv->tx_onestep_tstamp);
-- 
Christian Eggers
Embedded software developer

Arnold & Richter Cine Technik GmbH & Co. Betriebs KG
Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: 
HRA 57918
Persoenlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH
Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: 
HRB 54477
Geschaeftsfuehrer: Dr. Michael Neuhaeuser; Stephan Schenk; Walter Trauninger; 
Markus Zeiler

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