nfp: fix NFP_NET_MAX_DSCP definition error

The patch corrects the NFP_NET_MAX_DSCP definition in the main.h file.

The incorrect definition result DSCP bits not being mapped properly when
DCB is set. When NFP_NET_MAX_DSCP was defined as 4, the next 60 DSCP
bits failed to be set.

Fixes: 9b7fe80 ("nfp: add DCB IEEE support")
Cc: [email protected]
Signed-off-by: Huayu Chen <[email protected]>
Acked-by: Simon Horman <[email protected]>
Signed-off-by: Louis Peens <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Huayu-Chen

drivers/net/ethernet/netronome/nfp/nic/main.h

@@ -8,7 +8,7 @@
 
 #ifdef CONFIG_DCB
 /* DCB feature definitions */
-#define NFP_NET_MAX_DSCP	4
+#define NFP_NET_MAX_DSCP	64
 #define NFP_NET_MAX_TC		IEEE_8021QAZ_MAX_TCS
 #define NFP_NET_MAX_PRIO	8
 #define NFP_DCB_CFG_STRIDE	256