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Miller" , netdev , Roger Quadros , , Jakub Kicinski Subject: [PATCH net-next v6 03/11] net: ethernet: ti: ale: add support for mac-only mode Date: Tue, 24 Mar 2020 00:52:46 +0200 Message-ID: <20200323225254.12759-4-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200323225254.12759-1-grygorii.strashko@ti.com> References: <20200323225254.12759-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200323_155304_949571_8FDED4B2 X-CRM114-Status: GOOD ( 13.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Grygorii Strashko , Sekhar Nori , linux-kernel@vger.kernel.org, Kishon Vijay Abraham I , Murali Karicheri , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The new CPSW ALE version, available on TI K3 AM654/J721E SoCs family, allows to switch any external port to MAC only mode. When MAC only mode enabled this port be treated like a MAC port for the host. All traffic received is only sent to the host. The host must direct traffic to this port as the lookup engine will not send traffic to the ports with the p0_maconly bit set and the p0_no_learn also set. If p0_maconly bit is set and the p0_no_learn is not set, the host can send non-directed packets that can be sent to the destination of a MacOnly port. It is also possible that The host can broadcast to all ports including MacOnly ports in this mode. This patch add ALE supprt for MAC only mode. Signed-off-by: Grygorii Strashko Tested-by: Murali Karicheri Tested-by: Peter Ujfalusi --- drivers/net/ethernet/ti/cpsw_ale.c | 16 ++++++++++++++++ drivers/net/ethernet/ti/cpsw_ale.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 5815225c000c..719e7846127c 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -779,6 +779,22 @@ static struct ale_control_info ale_controls[ALE_NUM_CONTROLS] = { .port_shift = 0, .bits = 1, }, + [ALE_PORT_MACONLY] = { + .name = "mac_only_port_mode", + .offset = ALE_PORTCTL, + .port_offset = 4, + .shift = 11, + .port_shift = 0, + .bits = 1, + }, + [ALE_PORT_MACONLY_CAF] = { + .name = "mac_only_port_caf", + .offset = ALE_PORTCTL, + .port_offset = 4, + .shift = 13, + .port_shift = 0, + .bits = 1, + }, [ALE_PORT_MCAST_LIMIT] = { .name = "mcast_limit", .offset = ALE_PORTCTL, diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index 70d0955c2652..eaca73c17ae7 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -62,6 +62,8 @@ enum cpsw_ale_control { ALE_PORT_UNKNOWN_MCAST_FLOOD, ALE_PORT_UNKNOWN_REG_MCAST_FLOOD, ALE_PORT_UNTAGGED_EGRESS, + ALE_PORT_MACONLY, + ALE_PORT_MACONLY_CAF, ALE_PORT_BCAST_LIMIT, ALE_PORT_MCAST_LIMIT, ALE_NUM_CONTROLS, -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel