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Tue, 29 Sep 2020 10:10:50 +0000 From: Vladimir Oltean To: davem@davemloft.net Cc: alexandre.belloni@bootlin.com, andrew@lunn.ch, f.fainelli@gmail.com, vivien.didelot@gmail.com, horatiu.vultur@microchip.com, joergen.andreasen@microchip.com, allan.nielsen@microchip.com, alexandru.marginean@nxp.com, claudiu.manoil@nxp.com, xiaoliang.yang_1@nxp.com, hongbo.wang@nxp.com, netdev@vger.kernel.org, kuba@kernel.org, jiri@resnulli.us, idosch@idosch.org, UNGLinuxDriver@microchip.com Subject: [RFC PATCH v2 net-next 18/21] net: mscc: ocelot: only install TCAM entries into a specific lookup and PAG Date: Tue, 29 Sep 2020 13:10:13 +0300 Message-Id: <20200929101016.3743530-19-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200929101016.3743530-1-vladimir.oltean@nxp.com> References: <20200929101016.3743530-1-vladimir.oltean@nxp.com> X-Originating-IP: [188.26.229.171] X-ClientProxiedBy: VI1PR08CA0112.eurprd08.prod.outlook.com (2603:10a6:800:d4::14) To VI1PR04MB5696.eurprd04.prod.outlook.com (2603:10a6:803:e7::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (188.26.229.171) by VI1PR08CA0112.eurprd08.prod.outlook.com (2603:10a6:800:d4::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.32 via Frontend Transport; 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Now that lookups are exposed as individual chains, let's make the LOOKUP explicit when offloading TCAM entries. Signed-off-by: Vladimir Oltean --- Changes in v2: None. drivers/net/ethernet/mscc/ocelot_flower.c | 10 ++++++---- drivers/net/ethernet/mscc/ocelot_vcap.c | 6 +++++- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c index 3808a0762919..ca7cb8f2496f 100644 --- a/drivers/net/ethernet/mscc/ocelot_flower.c +++ b/drivers/net/ethernet/mscc/ocelot_flower.c @@ -164,6 +164,8 @@ static int ocelot_flower_parse_action(struct flow_cls_offload *f, bool ingress, } if (filter->block_id == VCAP_IS1 || filter->block_id == VCAP_IS2) filter->lookup = ocelot_chain_to_lookup(chain); + if (filter->block_id == VCAP_IS2) + filter->pag = ocelot_chain_to_pag(chain); filter->goto_target = -1; filter->type = OCELOT_VCAP_FILTER_DUMMY; @@ -205,9 +207,10 @@ static int ocelot_flower_parse_action(struct flow_cls_offload *f, bool ingress, filter->type = OCELOT_VCAP_FILTER_OFFLOAD; break; case FLOW_ACTION_POLICE: - if (filter->block_id != VCAP_IS2) { + if (filter->block_id != VCAP_IS2 || + filter->lookup != 0) { NL_SET_ERR_MSG_MOD(extack, - "Police action can only be offloaded to VCAP IS2"); + "Police action can only be offloaded to VCAP IS2 lookup 0"); return -EOPNOTSUPP; } if (filter->goto_target != -1) { @@ -276,8 +279,7 @@ static int ocelot_flower_parse_action(struct flow_cls_offload *f, bool ingress, case FLOW_ACTION_GOTO: filter->goto_target = a->chain_index; - if (filter->block_id == VCAP_IS1 && - ocelot_chain_to_lookup(chain) == 2) { + if (filter->block_id == VCAP_IS1 && filter->lookup == 2) { int pag = ocelot_chain_to_pag(filter->goto_target); filter->action.pag_override_mask = 0xff; diff --git a/drivers/net/ethernet/mscc/ocelot_vcap.c b/drivers/net/ethernet/mscc/ocelot_vcap.c index 59ed25b8b5a1..958d8263bcdb 100644 --- a/drivers/net/ethernet/mscc/ocelot_vcap.c +++ b/drivers/net/ethernet/mscc/ocelot_vcap.c @@ -350,7 +350,10 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, data.type = IS2_ACTION_TYPE_NORMAL; - vcap_key_set(vcap, &data, VCAP_IS2_HK_PAG, 0, 0); + vcap_key_set(vcap, &data, VCAP_IS2_HK_PAG, filter->pag, 0xff); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_FIRST, + (filter->lookup == 0) ? OCELOT_VCAP_BIT_1 : + OCELOT_VCAP_BIT_0); vcap_key_set(vcap, &data, VCAP_IS2_HK_IGR_PORT_MASK, 0, ~filter->ingress_port_mask); vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_FIRST, OCELOT_VCAP_BIT_ANY); @@ -671,6 +674,7 @@ static void is1_entry_set(struct ocelot *ocelot, int ix, if (filter->prio != 0) data.tg |= data.tg_value; + vcap_key_set(vcap, &data, VCAP_IS1_HK_LOOKUP, filter->lookup, 0x3); vcap_key_set(vcap, &data, VCAP_IS1_HK_IGR_PORT_MASK, 0, ~filter->ingress_port_mask); vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_L2_MC, filter->dmac_mc);