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net: mscc: ocelot: Implement port policers via tc command

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Hardware offload of matchall classifier and police action are now
supported via the tc command.
Supported police parameters are: rate and burst.

Example:

Add:
tc qdisc add dev eth3 handle ffff: ingress
tc filter add dev eth3 parent ffff: prio 1 handle 2	\
	matchall skip_sw				\
	action police rate 100Mbit burst 10000

Show:
tc -s -d qdisc show dev eth3
tc -s -d filter show dev eth3 ingress

Delete:
tc filter del dev eth3 parent ffff: prio 1
tc qdisc del dev eth3 handle ffff: ingress

Signed-off-by: Joergen Andreasen <joergen.andreasen@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joergen Andreasen
2019-05-28 14:49:17 +02:00
committed by David S. Miller
parent 7da33a8f87
commit 2c1d029a01
7 changed files with 460 additions and 3 deletions
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3
drivers/net/ethernet/mscc/ocelot.h
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@@ -22,6 +22,7 @@
#include "ocelot_rew.h"
#include "ocelot_sys.h"
#include "ocelot_qs.h"
#include "ocelot_tc.h"
#define PGID_AGGR 64
#define PGID_SRC 80
@@ -458,6 +459,8 @@ struct ocelot_port {
phy_interface_t phy_mode;
struct phy *serdes;
struct ocelot_port_tc tc;
};
u32 __ocelot_read_ix(struct ocelot *ocelot, u32 reg, u32 offset);