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SFP:1101; SCL:1; SRVR:VE1PR04MB6558; H:VE1PR04MB6496.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: /W2ViNLyXtcLa0rtn6lodSPQy09yXrklv1uee5xKSJ6NxKydaqhOaGJ8tw3qqfagsfxGeGTMmnaudg1INPghJALMmTSBkyJaswAVqliTM9Fxey5R+uxt0aO/dAMp+BTnctNm57lfiBuwiV1kh8Bgz6YhrX3jIrcO6NGgr36f9qYQZLITdO3LQWxby0gksOowk52vtANAEItI3+SBYajwgW2lDV+dtnkG5wQo/MT9SlAk2yuAtyrxZMXm5dVnryT+S8nyzmKQORvT7hXg65MMYkzxqdWb6R5nfnwDWtud3R3OaQTb64Virt8xlxj7dLjZsaArpCI4KsGw3qX54puHMVjqGdK87yHC0c3TEuZcnw4P5rqDm3Os3E/u8Q7ulXyErZ9d9UPFu8Ba6xttl4kzRcxvo35Q10CcSTWjhZIfxry7t5ebJYoGrTY7Yzz1qanm MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2160b3f7-8985-4516-1b52-08d7732077e1 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Nov 2019 09:59:18.8680 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: k7bo450X1j6zX6E6bmM3oW6JRtaPrA2wgyF6qym1gNJ0I4JzkX4Bz9iDCEyGbDRA X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6558 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org IEEE Std 802.1Qbu standard defined the frame preemption of port traffic classes. This patch introduce a method to set traffic classes preemption. Add a parameter 'preemption' in struct ethtool_link_settings. The value will be translated to a binary, each bit represent a traffic class. Bit "1" means preemptable traffic class. Bit "0" means express traffic class. MSB represent high number traffic class. If hardware support the frame preemption, driver could set the ethernet device with hw_features and features with NETIF_F_PREEMPTION when initializing the port driver. User can check the feature 'tx-preemption' by command 'ethtool -k devname'. If hareware set preemption feature. The property would be a fixed value 'on' if hardware support the frame preemption. Feature would show a fixed value 'off' if hardware don't support the frame preemption. Command 'ethtool devname' and 'ethtool -s devname preemption N' would show/set which traffic classes are frame preemptable. Port driver would implement the frame preemption in the function get_link_ksettings() and set_link_ksettings() in the struct ethtool_ops. Signed-off-by: Po Liu Tested-by: --- include/linux/netdev_features.h | 5 ++++- include/uapi/linux/ethtool.h | 5 ++++- net/core/ethtool.c | 1 + 3 files changed, 9 insertions(+), 2 deletions(-) diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 4b19c544c59a..299750a8b414 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -80,6 +80,7 @@ enum { NETIF_F_GRO_HW_BIT, /* Hardware Generic receive offload */ NETIF_F_HW_TLS_RECORD_BIT, /* Offload TLS record */ + NETIF_F_HW_PREEMPTION_BIT, /* Hardware TC frame preemption */ /* * Add your fresh new feature above and remember to update @@ -150,6 +151,7 @@ enum { #define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4) #define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX) #define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX) +#define NETIF_F_PREEMPTION __NETIF_F(HW_PREEMPTION) /* Finds the next feature with the highest number of the range of start till 0. */ @@ -175,7 +177,8 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start) /* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ #define NETIF_F_NEVER_CHANGE (NETIF_F_VLAN_CHALLENGED | \ - NETIF_F_LLTX | NETIF_F_NETNS_LOCAL) + NETIF_F_LLTX | NETIF_F_NETNS_LOCAL | \ + NETIF_F_PREEMPTION) /* remember that ((t)1 << t_BITS) is undefined in C99 */ #define NETIF_F_ETHTOOL_BITS ((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) | \ diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index d4591792f0b4..12ffb34afbfa 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -1776,6 +1776,8 @@ enum ethtool_reset_flags { }; #define ETH_RESET_SHARED_SHIFT 16 +/* Disable preemtion. */ +#define PREEMPTION_DISABLE 0x0 /** * struct ethtool_link_settings - link control and status @@ -1886,7 +1888,8 @@ struct ethtool_link_settings { __s8 link_mode_masks_nwords; __u8 transceiver; __u8 reserved1[3]; - __u32 reserved[7]; + __u32 preemption; + __u32 reserved[6]; __u32 link_mode_masks[0]; /* layout of link_mode_masks fields: * __u32 map_supported[link_mode_masks_nwords]; diff --git a/net/core/ethtool.c b/net/core/ethtool.c index cd9bc67381b2..6ffcd8a602b8 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -111,6 +111,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", + [NETIF_F_HW_PREEMPTION_BIT] = "tx-preemption", }; static const char From patchwork Wed Nov 27 09:59:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Po Liu X-Patchwork-Id: 1201469 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; 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dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=IbgI0a9MySwr59pE+Jx3uxJM1wE0sjpdcL/vI9ca6jc=; b=R4MRZa6ieRqijqDNQiGJeTC01r8+ltfHrOr++18BCj1M1SzZdMmRuYWjUFjAkxbgCADfvKRP8bhnYjmD0jeEM5OvyTAEF6Ssjk9iTdfpEjwhp1oQkESvHSB2pRQRbvpEb6lxLUKJY0bIiiHDW9mtiRKrE2bzGmvBd25FCrZXsKg= Received: from VE1PR04MB6496.eurprd04.prod.outlook.com (20.179.232.221) by VE1PR04MB6558.eurprd04.prod.outlook.com (20.179.232.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2474.19; Wed, 27 Nov 2019 09:59:30 +0000 Received: from VE1PR04MB6496.eurprd04.prod.outlook.com ([fe80::7c6e:3d38:6630:5515]) by VE1PR04MB6496.eurprd04.prod.outlook.com ([fe80::7c6e:3d38:6630:5515%4]) with mapi id 15.20.2474.023; Wed, 27 Nov 2019 09:59:30 +0000 From: Po Liu To: "davem@davemloft.net" , "hauke.mehrtens@intel.com" , "gregkh@linuxfoundation.org" , "allison@lohutok.net" , "tglx@linutronix.de" , "hkallweit1@gmail.com" , "saeedm@mellanox.com" , "andrew@lunn.ch" , "f.fainelli@gmail.com" , "alexandru.ardelean@analog.com" , "jiri@mellanox.com" , "ayal@mellanox.com" , "pablo@netfilter.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" CC: "vinicius.gomes@intel.com" , "simon.horman@netronome.com" , Claudiu Manoil , Vladimir Oltean , Alexandru Marginean , Xiaoliang Yang , Roy Zang , Mingkai Hu , Jerry Huang , Leo Li , Po Liu Subject: [v1,net-next, 2/2] enetc: implement the enetc 802.1Qbu hardware function Thread-Topic: [v1, net-next, 2/2] enetc: implement the enetc 802.1Qbu hardware function Thread-Index: AQHVpQlc7ro1OG7YiUanY6BZ5H4mAA== Date: Wed, 27 Nov 2019 09:59:30 +0000 Message-ID: <20191127094517.6255-2-Po.Liu@nxp.com> References: <20191127094517.6255-1-Po.Liu@nxp.com> In-Reply-To: <20191127094517.6255-1-Po.Liu@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-clientproxiedby: SN4PR0601CA0003.namprd06.prod.outlook.com (2603:10b6:803:2f::13) To VE1PR04MB6496.eurprd04.prod.outlook.com (2603:10a6:803:11c::29) authentication-results: spf=none (sender IP is ) smtp.mailfrom=po.liu@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:VE1PR04MB6558; H:VE1PR04MB6496.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: DuOOlRmglvKlYKFM8lW9t9GcpcIS+/UXuCqGdNVYLnW0HhANcxmVyOqfvNBOMIeLbqQk1yNo/9K0X6pSGZ0pcxc4ECwQm89mJgkNvwP9Gue6Xeols6a2sMobsY0cEWCJjrq0vVkot2foXtzTa1LKjha3gdnfFQSqe1fsq4ylHp4bAXVLJXhcuu12kolVmYssN0b7NFafdu8889lifHikfaC3IrHuo6eHVww3CIX/F43XXxfspM32Midk4DwH0t8OJpB9TsYL6yjHAcDV11U2I+glDasFlb9ZbpnaEQYFZwr+tXvVijgCSB2YQoCsjiCgkpWZU7uu+Z+vSq6FrUDZUZOWdXo6e/wf+rBYcF5nCBbL5BEQGjaVFzsvsi7a0hXL+pB5qWcur/fpPWNd2/iNHaFDIy9AoYZy5ddgGszwjIIpUNLd+Ah5vR79cvNn41dR MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1b07cea1-ed07-4ba6-6375-08d773207e9f X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Nov 2019 09:59:30.4292 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: TGSPSH2HNEuK37mPnROSwemlc+fyS0YwO8j4urKPQaMRMYGaM2iV0+ZR/wl8L/FG X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6558 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The interface follow up the ethtool 'preemption' set/get. Hardware features also need to set hw_features with NETIF_F_PREEMPTION flag. So ethtool could check kernel link features if there is preemption capability of port. There are two MACs in ENETC. One is express MAC which traffic classes in it are advanced transmition. Another is preemptable MAC which traffic classes are frame preemptable. The hardware need to initialize the MACs at initial stage. And then set the preemption enable registers of traffic classes when ethtool set .get_link_ksettings/.set_link_ksettings stage. To test the ENETC preemption capability, user need to set mqprio or taprio to mapping the traffic classes with priorities. Then use ethtool command to set 'preemption' with a 8 bits value. MSB represent high number traffic class. Signed-off-by: Po Liu --- drivers/net/ethernet/freescale/enetc/enetc.c | 3 + drivers/net/ethernet/freescale/enetc/enetc.h | 4 + .../ethernet/freescale/enetc/enetc_ethtool.c | 142 ++++++++++++++++-- .../net/ethernet/freescale/enetc/enetc_hw.h | 17 +++ .../net/ethernet/freescale/enetc/enetc_pf.c | 15 +- .../net/ethernet/freescale/enetc/enetc_qos.c | 4 + 6 files changed, 174 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 9db1b96ed9b9..be0d9916e6ea 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -750,6 +750,8 @@ void enetc_get_si_caps(struct enetc_si *si) if (val & ENETC_SIPCAPR0_QBV) si->hw_features |= ENETC_SI_F_QBV; + if (val & ENETC_SIPCAPR0_QBU) + si->hw_features |= ENETC_SI_F_QBU; } static int enetc_dma_alloc_bdr(struct enetc_bdr *r, size_t bd_size) @@ -1448,6 +1450,7 @@ static int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data) num_tc = mqprio->num_tc; if (!num_tc) { + enetc_preemption_set(ndev, 0); netdev_reset_tc(ndev); netif_set_real_num_tx_queues(ndev, priv->num_tx_rings); diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index 7ee0da6d0015..cfa74fa326e8 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -119,6 +119,7 @@ enum enetc_errata { }; #define ENETC_SI_F_QBV BIT(0) +#define ENETC_SI_F_QBU BIT(1) /* PCI IEP device data */ struct enetc_si { @@ -177,6 +178,7 @@ enum enetc_active_offloads { ENETC_F_RX_TSTAMP = BIT(0), ENETC_F_TX_TSTAMP = BIT(1), ENETC_F_QBV = BIT(2), + ENETC_F_QBU = BIT(3), }; struct enetc_ndev_priv { @@ -261,3 +263,5 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data); #define enetc_sched_speed_set(ndev) (void)0 #define enetc_setup_tc_cbs(ndev, type_data) -EOPNOTSUPP #endif + +int enetc_preemption_set(struct net_device *ndev, u32 ptvector); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index 880a8ed8bb47..4c7425539280 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -183,6 +183,21 @@ static const struct { { ENETC_PICDR(3), "ICM DR3 discarded frames" }, }; +static const struct { + int reg; + char name[ETH_GSTRING_LEN]; +} enetc_pmac_counters[] = { + { ENETC_PM1_RFRM, "PMAC rx frames" }, + { ENETC_PM1_RPKT, "PMAC rx packets" }, + { ENETC_PM1_RDRP, "PMAC rx dropped packets" }, + { ENETC_PM1_RFRG, "PMAC rx fragment packets" }, + { ENETC_PM1_TFRM, "PMAC tx frames" }, + { ENETC_PM1_TERR, "PMAC tx error frames" }, + { ENETC_PM1_TPKT, "PMAC tx packets" }, + { ENETC_MAC_MERGE_MMFCRXR, "MAC merge fragment rx counter" }, + { ENETC_MAC_MERGE_MMFCTXR, "MAC merge fragment tx counter"}, +}; + static const char rx_ring_stats[][ETH_GSTRING_LEN] = { "Rx ring %2d frames", "Rx ring %2d alloc errors", @@ -195,15 +210,24 @@ static const char tx_ring_stats[][ETH_GSTRING_LEN] = { static int enetc_get_sset_count(struct net_device *ndev, int sset) { struct enetc_ndev_priv *priv = netdev_priv(ndev); + int len; + + if (sset != ETH_SS_STATS) + return -EOPNOTSUPP; - if (sset == ETH_SS_STATS) - return ARRAY_SIZE(enetc_si_counters) + - ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings + - ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings + - (enetc_si_is_pf(priv->si) ? - ARRAY_SIZE(enetc_port_counters) : 0); + len = ARRAY_SIZE(enetc_si_counters) + + ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings + + ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings; - return -EOPNOTSUPP; + if (!enetc_si_is_pf(priv->si)) + return len; + + len += ARRAY_SIZE(enetc_port_counters); + + if (priv->active_offloads & ENETC_F_QBU) + len += ARRAY_SIZE(enetc_pmac_counters); + + return len; } static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data) @@ -241,6 +265,16 @@ static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data) ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } + + if (!(priv->active_offloads & ENETC_F_QBU)) + break; + + for (i = 0; i < ARRAY_SIZE(enetc_pmac_counters); i++) { + strlcpy(p, enetc_pmac_counters[i].name, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + break; } } @@ -268,6 +302,12 @@ static void enetc_get_ethtool_stats(struct net_device *ndev, for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg); + + if (!(priv->active_offloads & ENETC_F_QBU)) + return; + + for (i = 0; i < ARRAY_SIZE(enetc_pmac_counters); i++) + data[o++] = enetc_port_rd(hw, enetc_pmac_counters[i].reg); } #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \ @@ -609,6 +649,90 @@ static int enetc_set_wol(struct net_device *dev, return ret; } +static u8 enetc_get_tc_num(struct enetc_si *si) +{ + struct net_device *ndev = si->ndev; + u8 tc_num; + + tc_num = (enetc_port_rd(&si->hw, ENETC_PCAPR1) + & ENETC_NUM_TCS_MASK) >> 4; + + return min(netdev_get_num_tc(ndev), tc_num + 1); +} + +int enetc_preemption_set(struct net_device *ndev, u32 ptvector) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + u8 tc_num; + u32 temp; + int i; + + if (ptvector & ~ENETC_QBU_TC_MASK) + return -EINVAL; + + temp = enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET); + if (temp & ENETC_QBV_TGE) + enetc_wr(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET, + temp & (~ENETC_QBV_TGPE)); + + tc_num = enetc_get_tc_num(priv->si); + + for (i = 0; i < tc_num; i++) { + temp = enetc_port_rd(&priv->si->hw, ENETC_PTCFPR(i)); + + if ((ptvector >> i) & 0x1) + enetc_port_wr(&priv->si->hw, + ENETC_PTCFPR(i), + temp | ENETC_FPE); + else + enetc_port_wr(&priv->si->hw, + ENETC_PTCFPR(i), + temp & ~ENETC_FPE); + } + + return 0; +} + +static u32 enetc_preemption_get(struct net_device *ndev) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + u32 ptvector = 0; + u8 tc_num; + int i; + + /* If preemptable MAC is not enable return 0 */ + if (!(enetc_port_rd(&priv->si->hw, ENETC_PFPMR) & ENETC_PFPMR_PMACE)) + return 0; + + tc_num = enetc_get_tc_num(priv->si); + + for (i = 0; i < tc_num; i++) + if (enetc_port_rd(&priv->si->hw, ENETC_PTCFPR(i)) & ENETC_FPE) + ptvector |= 1 << i; + + return ptvector; +} + +static int enetc_get_link_ksettings(struct net_device *ndev, + struct ethtool_link_ksettings *cmd) +{ + cmd->base.preemption = enetc_preemption_get(ndev); + + return phy_ethtool_get_link_ksettings(ndev, cmd); +} + +static int enetc_set_link_ksettings(struct net_device *ndev, + const struct ethtool_link_ksettings *cmd) +{ + int err; + + err = enetc_preemption_set(ndev, cmd->base.preemption); + if (err) + return err; + + return phy_ethtool_set_link_ksettings(ndev, cmd); +} + static const struct ethtool_ops enetc_pf_ethtool_ops = { .get_regs_len = enetc_get_reglen, .get_regs = enetc_get_regs, @@ -622,8 +746,8 @@ static const struct ethtool_ops enetc_pf_ethtool_ops = { .get_rxfh = enetc_get_rxfh, .set_rxfh = enetc_set_rxfh, .get_ringparam = enetc_get_ringparam, - .get_link_ksettings = phy_ethtool_get_link_ksettings, - .set_link_ksettings = phy_ethtool_set_link_ksettings, + .get_link_ksettings = enetc_get_link_ksettings, + .set_link_ksettings = enetc_set_link_ksettings, .get_link = ethtool_op_get_link, .get_ts_info = enetc_get_ts_info, .get_wol = enetc_get_wol, diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h index 51f543ef37a8..b609ec095710 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h @@ -19,6 +19,7 @@ #define ENETC_SICTR1 0x1c #define ENETC_SIPCAPR0 0x20 #define ENETC_SIPCAPR0_QBV BIT(4) +#define ENETC_SIPCAPR0_QBU BIT(3) #define ENETC_SIPCAPR0_RSS BIT(8) #define ENETC_SIPCAPR1 0x24 #define ENETC_SITGTGR 0x30 @@ -176,6 +177,7 @@ enum enetc_bdr_type {TX, RX}; #define ENETC_PCAPR0_RXBDR(val) ((val) >> 24) #define ENETC_PCAPR0_TXBDR(val) (((val) >> 16) & 0xff) #define ENETC_PCAPR1 0x0904 +#define ENETC_NUM_TCS_MASK GENMASK(6, 4) #define ENETC_PSICFGR0(n) (0x0940 + (n) * 0xc) /* n = SI index */ #define ENETC_PSICFGR0_SET_TXBDR(val) ((val) & 0xff) #define ENETC_PSICFGR0_SET_RXBDR(val) (((val) & 0xff) << 16) @@ -223,6 +225,7 @@ enum enetc_bdr_type {TX, RX}; #define ENETC_SET_TX_MTU(val) ((val) << 16) #define ENETC_SET_MAXFRM(val) ((val) & 0xffff) #define ENETC_PM0_IF_MODE 0x8300 +#define ENETC_PM1_IF_MODE 0x9300 #define ENETC_PMO_IFM_RG BIT(2) #define ENETC_PM0_IFM_RLP (BIT(5) | BIT(11)) #define ENETC_PM0_IFM_RGAUTO (BIT(15) | ENETC_PMO_IFM_RG | BIT(1)) @@ -276,6 +279,15 @@ enum enetc_bdr_type {TX, RX}; #define ENETC_PM0_TSCOL 0x82E0 #define ENETC_PM0_TLCOL 0x82E8 #define ENETC_PM0_TECOL 0x82F0 +#define ENETC_PM1_RFRM 0x9120 +#define ENETC_PM1_RDRP 0x9158 +#define ENETC_PM1_RPKT 0x9160 +#define ENETC_PM1_RFRG 0x91B8 +#define ENETC_PM1_TFRM 0x9220 +#define ENETC_PM1_TERR 0x9238 +#define ENETC_PM1_TPKT 0x9260 +#define ENETC_MAC_MERGE_MMFCRXR 0x1f14 +#define ENETC_MAC_MERGE_MMFCTXR 0x1f18 /* Port counters */ #define ENETC_PICDR(n) (0x0700 + (n) * 8) /* n = [0..3] */ @@ -615,3 +627,8 @@ struct enetc_cbd { /* Port time gating capability register */ #define ENETC_QBV_PTGCAPR_OFFSET 0x11a08 #define ENETC_QBV_MAX_GCL_LEN_MASK GENMASK(15, 0) + +#define ENETC_QBU_TC_MASK GENMASK(7, 0) + +#define ENETC_PTCFPR(n) (0x1910 + (n) * 4) +#define ENETC_FPE BIT(31) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index e7482d483b28..f1873c4da77f 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -523,10 +523,15 @@ static void enetc_configure_port_mac(struct enetc_hw *hw) ENETC_PM0_CMD_TXP | ENETC_PM0_PROMISC | ENETC_PM0_TX_EN | ENETC_PM0_RX_EN); /* set auto-speed for RGMII */ - if (enetc_port_rd(hw, ENETC_PM0_IF_MODE) & ENETC_PMO_IFM_RG) + if (enetc_port_rd(hw, ENETC_PM0_IF_MODE) & ENETC_PMO_IFM_RG) { enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_RGAUTO); - if (enetc_global_rd(hw, ENETC_G_EPFBLPR(1)) == ENETC_G_EPFBLPR1_XGMII) + enetc_port_wr(hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_RGAUTO); + } + + if (enetc_global_rd(hw, ENETC_G_EPFBLPR(1)) == ENETC_G_EPFBLPR1_XGMII) { enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_XGMII); + enetc_port_wr(hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_XGMII); + } } static void enetc_configure_port_pmac(struct enetc_hw *hw) @@ -745,6 +750,12 @@ static void enetc_pf_netdev_setup(struct enetc_si *si, struct net_device *ndev, if (si->hw_features & ENETC_SI_F_QBV) priv->active_offloads |= ENETC_F_QBV; + if (si->hw_features & ENETC_SI_F_QBU) { + ndev->hw_features |= NETIF_F_PREEMPTION; + ndev->features |= NETIF_F_PREEMPTION; + priv->active_offloads |= ENETC_F_QBU; + } + /* pick up primary MAC address from SI */ enetc_get_primary_mac_addr(&si->hw, ndev->dev_addr); } diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c index 2e99438cb1bf..94dde847d052 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -169,6 +169,10 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data) priv->tx_ring[i]->index, taprio->enable ? 0 : i); + /* preemption off if TC priority is all 0 */ + if ((err && taprio->enable) || !(err || taprio->enable)) + enetc_preemption_set(ndev, 0); + return err; }