From: Alexandre Belloni <alexandre.belloni@bootlin•com>
To: Vladimir Oltean <vladimir.oltean@nxp•com>
Cc: Tobias Waldekranz <tobias@waldekranz•com>,
"David S . Miller" <davem@davemloft•net>,
Jakub Kicinski <kuba@kernel•org>,
netdev@vger•kernel.org, UNGLinuxDriver@microchip•com,
Andrew Lunn <andrew@lunn•ch>,
Florian Fainelli <f.fainelli@gmail•com>,
Vivien Didelot <vivien.didelot@gmail•com>,
Claudiu Manoil <claudiu.manoil@nxp•com>
Subject: Re: [RFC PATCH net-next 06/16] net: mscc: ocelot: use ipv6 in the aggregation code
Date: Tue, 15 Dec 2020 17:03:52 +0100 [thread overview]
Message-ID: <20201215160352.GJ1781038@piout.net> (raw)
In-Reply-To: <20201208120802.1268708-7-vladimir.oltean@nxp.com>
On 08/12/2020 14:07:52+0200, Vladimir Oltean wrote:
> IPv6 header information is not currently part of the entropy source for
> the 4-bit aggregation code used for LAG offload, even though it could be.
> The hardware reference manual says about these fields:
>
> ANA::AGGR_CFG.AC_IP6_TCPUDP_PORT_ENA
> Use IPv6 TCP/UDP port when calculating aggregation code. Configure
> identically for all ports. Recommended value is 1.
>
> ANA::AGGR_CFG.AC_IP6_FLOW_LBL_ENA
> Use IPv6 flow label when calculating AC. Configure identically for all
> ports. Recommended value is 1.
>
> Integration with the xmit_hash_policy of the bonding interface is TBD.
>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp•com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin•com>
> ---
> drivers/net/ethernet/mscc/ocelot.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
> index 7a5c534099d3..13e86dd71e5a 100644
> --- a/drivers/net/ethernet/mscc/ocelot.c
> +++ b/drivers/net/ethernet/mscc/ocelot.c
> @@ -1557,7 +1557,10 @@ int ocelot_init(struct ocelot *ocelot)
> ocelot_write(ocelot, ANA_AGGR_CFG_AC_SMAC_ENA |
> ANA_AGGR_CFG_AC_DMAC_ENA |
> ANA_AGGR_CFG_AC_IP4_SIPDIP_ENA |
> - ANA_AGGR_CFG_AC_IP4_TCPUDP_ENA, ANA_AGGR_CFG);
> + ANA_AGGR_CFG_AC_IP4_TCPUDP_ENA |
> + ANA_AGGR_CFG_AC_IP6_FLOW_LBL_ENA |
> + ANA_AGGR_CFG_AC_IP6_TCPUDP_ENA,
> + ANA_AGGR_CFG);
>
> /* Set MAC age time to default value. The entry is aged after
> * 2*AGE_PERIOD
> --
> 2.25.1
>
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2020-12-15 16:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-08 12:07 [RFC PATCH net-next 00/16] LAG offload for Ocelot DSA switches Vladimir Oltean
2020-12-08 12:07 ` [RFC PATCH net-next 01/16] net: mscc: ocelot: offload bridge port flags to device Vladimir Oltean
2020-12-15 14:37 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 02/16] net: mscc: ocelot: allow offloading of bridge on top of LAG Vladimir Oltean
2020-12-15 14:43 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 03/16] net: mscc: ocelot: rename ocelot_netdevice_port_event to ocelot_netdevice_changeupper Vladimir Oltean
2020-12-15 15:01 ` Alexandre Belloni
2020-12-15 15:27 ` Vladimir Oltean
2020-12-08 12:07 ` [RFC PATCH net-next 04/16] net: mscc: ocelot: use a switch-case statement in ocelot_netdevice_event Vladimir Oltean
2020-12-15 15:52 ` Alexandre Belloni
2020-12-15 15:56 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 05/16] net: mscc: ocelot: don't refuse bonding interfaces we can't offload Vladimir Oltean
2020-12-15 15:56 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 06/16] net: mscc: ocelot: use ipv6 in the aggregation code Vladimir Oltean
2020-12-15 16:03 ` Alexandre Belloni [this message]
2020-12-08 12:07 ` [RFC PATCH net-next 07/16] net: mscc: ocelot: set up the bonding mask in a way that avoids a net_device Vladimir Oltean
2020-12-15 16:36 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 08/16] net: mscc: ocelot: avoid unneeded "lp" variable in LAG join Vladimir Oltean
2020-12-15 16:47 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 09/16] net: mscc: ocelot: use "lag" variable name in ocelot_bridge_stp_state_set Vladimir Oltean
2020-12-15 16:49 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 10/16] net: mscc: ocelot: reapply bridge forwarding mask on bonding join/leave Vladimir Oltean
2020-12-16 12:29 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 11/16] net: mscc: ocelot: set up logical port IDs centrally Vladimir Oltean
2020-12-16 20:15 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 12/16] net: mscc: ocelot: drop the use of the "lags" array Vladimir Oltean
2020-12-16 21:29 ` Alexandre Belloni
2021-01-15 11:05 ` Vladimir Oltean
2021-01-15 12:02 ` Alexandre Belloni
2020-12-08 12:07 ` [RFC PATCH net-next 13/16] net: mscc: ocelot: rename aggr_count to num_ports_in_lag Vladimir Oltean
2020-12-16 21:31 ` Alexandre Belloni
2020-12-08 12:08 ` [RFC PATCH net-next 14/16] net: mscc: ocelot: rebalance LAGs on link up/down events Vladimir Oltean
2020-12-16 21:32 ` Alexandre Belloni
2020-12-08 12:08 ` [RFC PATCH net-next 15/16] net: dsa: felix: propagate the LAG offload ops towards the ocelot lib Vladimir Oltean
2020-12-08 12:08 ` [RFC PATCH net-next 16/16] net: dsa: ocelot: tell DSA that we can offload link aggregation Vladimir Oltean
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