Commit 96b029b0 authored by Vladimir Oltean's avatar Vladimir Oltean Committed by David S. Miller
Browse files

net: mscc: ocelot: introduce macros for iterating over PGIDs 



The current iterators are impossible to understand at first glance
without switching back and forth between the definitions and their
actual use in the for loops.

So introduce some convenience names to help readability.

Signed-off-by: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 209edf95

drivers/net/ethernet/mscc/ocelot.c

+4 −4
Original line number Diff line number Diff line
@@ -1064,10 +1064,10 @@ static void ocelot_set_aggr_pgids(struct ocelot *ocelot) 
	int i, port, lag;



	/* Reset destination and aggregation PGIDS */

	for (port = 0; port < ocelot->num_phys_ports; port++)

	for_each_unicast_dest_pgid(ocelot, port)

		ocelot_write_rix(ocelot, BIT(port), ANA_PGID_PGID, port);



	for (i = PGID_AGGR; i < PGID_SRC; i++)

	for_each_aggr_pgid(ocelot, i)

		ocelot_write_rix(ocelot, GENMASK(ocelot->num_phys_ports - 1, 0),

				 ANA_PGID_PGID, i);
@@ -1089,7 +1089,7 @@ static void ocelot_set_aggr_pgids(struct ocelot *ocelot) 
			aggr_count++;

		}



		for (i = PGID_AGGR; i < PGID_SRC; i++) {

		for_each_aggr_pgid(ocelot, i) {

			u32 ac;



			ac = ocelot_read_rix(ocelot, ANA_PGID_PGID, i);
@@ -1451,7 +1451,7 @@ int ocelot_init(struct ocelot *ocelot) 
	}



	/* Allow broadcast MAC frames. */

	for (i = ocelot->num_phys_ports + 1; i < PGID_CPU; i++) {

	for_each_nonreserved_multicast_dest_pgid(ocelot, i) {

		u32 val = ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports - 1, 0));



		ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i);

drivers/net/ethernet/mscc/ocelot_net.c

+1 −1
Original line number Diff line number Diff line
@@ -422,7 +422,7 @@ static void ocelot_set_rx_mode(struct net_device *dev) 
	 * forwarded to the CPU port.

	 */

	val = GENMASK(ocelot->num_phys_ports - 1, 0);

	for (i = ocelot->num_phys_ports + 1; i < PGID_CPU; i++)

	for_each_nonreserved_multicast_dest_pgid(ocelot, i)

		ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i);



	__dev_mc_sync(dev, ocelot_mc_sync, ocelot_mc_unsync);

include/soc/mscc/ocelot.h

+15 −0
Original line number Diff line number Diff line
@@ -65,6 +65,21 @@ 
#define PGID_MCIPV4			62

#define PGID_MCIPV6			63



#define for_each_unicast_dest_pgid(ocelot, pgid)		\

	for ((pgid) = 0;					\

	     (pgid) < (ocelot)->num_phys_ports;			\

	     (pgid)++)



#define for_each_nonreserved_multicast_dest_pgid(ocelot, pgid)	\

	for ((pgid) = (ocelot)->num_phys_ports + 1;		\

	     (pgid) < PGID_CPU;					\

	     (pgid)++)



#define for_each_aggr_pgid(ocelot, pgid)			\

	for ((pgid) = PGID_AGGR;				\

	     (pgid) < PGID_SRC;					\

	     (pgid)++)



/* Aggregation PGIDs, one per Link Aggregation Code */

#define PGID_AGGR			64

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