Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b5962294 authored by Horatiu Vultur's avatar Horatiu Vultur Committed by David S. Miller
Browse files

net: mscc: ocelot: Add support for tcam 



Add ACL support using the TCAM. Using ACL it is possible to create rules
in hardware to filter/redirect frames.

Signed-off-by: default avatarHoratiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6345266a

arch/mips/boot/dts/mscc/ocelot.dtsi

+3 −2
Original line number Diff line number Diff line
@@ -132,11 +132,12 @@ 
			      <0x1270000 0x100>,

			      <0x1280000 0x100>,

			      <0x1800000 0x80000>,

			      <0x1880000 0x10000>;

			      <0x1880000 0x10000>,

			      <0x1060000 0x10000>;

			reg-names = "sys", "rew", "qs", "port0", "port1",

				    "port2", "port3", "port4", "port5", "port6",

				    "port7", "port8", "port9", "port10", "qsys",

				    "ana";

				    "ana", "s2";

			interrupts = <21 22>;

			interrupt-names = "xtr", "inj";

drivers/net/ethernet/mscc/Makefile

+1 −1
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0 OR MIT)

obj-$(CONFIG_MSCC_OCELOT_SWITCH) += mscc_ocelot_common.o

mscc_ocelot_common-y := ocelot.o ocelot_io.o

mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o

mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o ocelot_ace.o

obj-$(CONFIG_MSCC_OCELOT_SWITCH_OCELOT) += ocelot_board.o

drivers/net/ethernet/mscc/ocelot.c

+13 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <net/switchdev.h>



#include "ocelot.h"

#include "ocelot_ace.h"



#define TABLE_UPDATE_SLEEP_US 10

#define TABLE_UPDATE_TIMEOUT_US 100000
@@ -130,6 +131,13 @@ static void ocelot_mact_init(struct ocelot *ocelot) 
	ocelot_write(ocelot, MACACCESS_CMD_INIT, ANA_TABLES_MACACCESS);

}



static void ocelot_vcap_enable(struct ocelot *ocelot, struct ocelot_port *port)

{

	ocelot_write_gix(ocelot, ANA_PORT_VCAP_S2_CFG_S2_ENA |

			 ANA_PORT_VCAP_S2_CFG_S2_IP6_CFG(0xa),

			 ANA_PORT_VCAP_S2_CFG, port->chip_port);

}



static inline u32 ocelot_vlant_read_vlanaccess(struct ocelot *ocelot)

{

	return ocelot_read(ocelot, ANA_TABLES_VLANACCESS);
@@ -1662,6 +1670,9 @@ int ocelot_probe_port(struct ocelot *ocelot, u8 port, 
	/* Basic L2 initialization */

	ocelot_vlan_port_apply(ocelot, ocelot_port);



	/* Enable vcap lookups */

	ocelot_vcap_enable(ocelot, ocelot_port);



	return 0;



err_register_netdev:
@@ -1696,6 +1707,7 @@ int ocelot_init(struct ocelot *ocelot) 


	ocelot_mact_init(ocelot);

	ocelot_vlan_init(ocelot);

	ocelot_ace_init(ocelot);



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

		/* Clear all counters (5 groups) */
@@ -1808,6 +1820,7 @@ void ocelot_deinit(struct ocelot *ocelot) 
{

	destroy_workqueue(ocelot->stats_queue);

	mutex_destroy(&ocelot->stats_lock);

	ocelot_ace_deinit();

}

EXPORT_SYMBOL(ocelot_deinit);

drivers/net/ethernet/mscc/ocelot.h

+8 −0
Original line number Diff line number Diff line
@@ -69,6 +69,7 @@ enum ocelot_target { 
	QSYS,

	REW,

	SYS,

	S2,

	HSIO,

	TARGET_MAX,

};
@@ -335,6 +336,13 @@ enum ocelot_reg { 
	SYS_CM_DATA_RD,

	SYS_CM_OP,

	SYS_CM_DATA,

	S2_CORE_UPDATE_CTRL = S2 << TARGET_OFFSET,

	S2_CORE_MV_CFG,

	S2_CACHE_ENTRY_DAT,

	S2_CACHE_MASK_DAT,

	S2_CACHE_ACTION_DAT,

	S2_CACHE_CNT_DAT,

	S2_CACHE_TG_DAT,

};



enum ocelot_regfield {

drivers/net/ethernet/mscc/ocelot_ace.c

0 → 100644
+777 −0

File added.

Preview size limit exceeded, changes collapsed.