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Commit 4ae4046a authored by Anderson Luiz Alves's avatar Anderson Luiz Alves Committed by Greg Kroah-Hartman
Browse files

mv88e6060: disable hardware level MAC learning 



[ Upstream commit a74515604a7b171f2702bdcbd1e231225fb456d0 ]

Disable hardware level MAC learning because it breaks station roaming.
When enabled it drops all frames that arrive from a MAC address
that is on a different port at learning table.

Signed-off-by: default avatarAnderson Luiz Alves <alacn1@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 2ef6e0fe

drivers/net/dsa/mv88e6060.c

+3 −7
Original line number Diff line number Diff line
@@ -116,8 +116,7 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds) 
	/* Reset the switch. */

	REG_WRITE(REG_GLOBAL, GLOBAL_ATU_CONTROL,

		  GLOBAL_ATU_CONTROL_SWRESET |

		  GLOBAL_ATU_CONTROL_ATUSIZE_1024 |

		  GLOBAL_ATU_CONTROL_ATE_AGE_5MIN);

		  GLOBAL_ATU_CONTROL_LEARNDIS);



	/* Wait up to one second for reset to complete. */

	timeout = jiffies + 1 * HZ;
@@ -142,13 +141,10 @@ static int mv88e6060_setup_global(struct dsa_switch *ds) 
	 */

	REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, GLOBAL_CONTROL_MAX_FRAME_1536);



	/* Enable automatic address learning, set the address

	 * database size to 1024 entries, and set the default aging

	 * time to 5 minutes.

	/* Disable automatic address learning.

	 */

	REG_WRITE(REG_GLOBAL, GLOBAL_ATU_CONTROL,

		  GLOBAL_ATU_CONTROL_ATUSIZE_1024 |

		  GLOBAL_ATU_CONTROL_ATE_AGE_5MIN);

		  GLOBAL_ATU_CONTROL_LEARNDIS);



	return 0;

}