From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D701D46A61; Thu, 26 Jun 2025 10:10:29 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3CF9741109; Thu, 26 Jun 2025 10:09:46 +0200 (CEST) Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) by mails.dpdk.org (Postfix) with ESMTP id 018D940E43 for ; Thu, 26 Jun 2025 10:09:43 +0200 (CEST) X-QQ-mid: zesmtpsz9t1750925378t2dbfe5ba X-QQ-Originating-IP: RGi7AxsMPTOrnwu/3J1rWOUot4QXsl2erKmpmLY6WQQ= Received: from DSK-zaiyuwang.trustnetic.com ( [36.27.0.255]) by bizesmtp.qq.com (ESMTP) with id ; Thu, 26 Jun 2025 16:09:36 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 3487719044977306565 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , Jiawen Wu , Jian Wang Subject: [PATCH v3 11/15] net/txgbe: add FEC support for Amber-Lite 25G NICs Date: Thu, 26 Jun 2025 16:02:16 +0800 Message-Id: <20250626080221.22488-12-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20250626080221.22488-1-zaiyuwang@trustnetic.com> References: <20250418094131.24136-1-zaiyuwang@trustnetic.com> <20250626080221.22488-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:trustnetic.com:qybglogicsvrgz:qybglogicsvrgz5a-1 X-QQ-XMAILINFO: M5r28j6evhA1A9Bc4VwB7C+JBogVLrhei3x0JYTCN91cmrzciA9i7lIU cOhdaz28uD6r8c59WMm7Myt/y5kydACvk7wrYsMWo/Xmx8L08kk5sbNQnIpS/wGpmsopyK8 0Ov/jH1zgPZnMBXP6KfQHPvMQVWJx6d0YTDO3yRfVdsAqWl68l2rYTAtVS9r/ek+ymzw92e 61Me9gklkvcU0iY5Io+J9awLx9dGZrIh7YOKVG8jfo6v7UVQbMh7FZ6SKQfiY60Gp+zgC8p +ilPvsrA8vtbYDTlxiPZJHveo1pRlR2YQLXm/W9sQMS3rtmebrhIcB7P8lkbk+3ipRvYKHG pnPdxa2qxUo1Z+Zekh4TW2dThZkwwOYNNt0tuZAIH0lZEoxh2xuWph+QraiqC+K+cFYDpbF g8/vbhUdyjWAgEGaSPQAtENNUM3RAfM/V5xZM/sg078amFyM5q1K1cC17MpSlDvFAQsHsvt Ri9bNY67WxBQqQJwyUYP2UP0BOWEQ86c7Rr2GGnR31loFNe9rrDcfY4Y+OkDgq8yowBzvtG JT6OHShCw7LsFzuw9PxGiBr57f+p90eJc5VsBqZaEyXHTgR7OGaWTE1Tpl6k7zVSA35qO7u iJoWhKoBwxzMQ9/Y6oCHFN7EQkkTMtvauefKSuUDN5eo+QL8SaSIwMhGIPPddNQUnYLR5Tl r6deH3ID9QU1yPTg4OrkbukYpkEKNeNMae61VE5gedn2t2Yag3tLpYfcco4yyvB17vaYgQ7 zvXkZ8SOhLvulKBjv9JxXMKziRc0YV2ehFoWv40jYpA8ITA7wNDuw9Kwgw2B2xMRxv3O+nq MID2XGs1SjQgJB8gqKe7smtV2pitA6uzg043dmOHwtpmQXkcH3ylrDPo14WArGg4O19Z8H7 yavblXcorp4nuJUTUeyBAk0vq/I/5Dylt1PSq4icxJfMBro/l70ROZ24Rh+h9YIiFVDa5iD /BKFKkTo+1FnX0pYnqRTLQdgW8hmMnMbZYndFFUMBsk1p1E6lwAQv9fVDJSAumuMIbc+KJ3 C2Y/YxZHc39cesWHm9ErMyKgCGQCz80h+LDuSbDj3wknmd9QgaHLihMIao13w= X-QQ-XMRINFO: M/715EihBoGSf6IYSX1iLFg= X-QQ-RECHKSPAM: 0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Amber-Lite 25G NICs support four FEC modes (off, baser, rs, auto). The driver implements standard interfaces (fec_get_capability, fec_get, fec_set) to allow manual configuration. The default FEC mode is set to 'auto'. Signed-off-by: Zaiyu Wang --- drivers/net/txgbe/base/txgbe_aml.c | 27 ++++++- drivers/net/txgbe/base/txgbe_hw.c | 3 + drivers/net/txgbe/base/txgbe_mng.c | 2 +- drivers/net/txgbe/base/txgbe_phy.h | 1 + drivers/net/txgbe/base/txgbe_type.h | 2 + drivers/net/txgbe/txgbe_ethdev.c | 121 ++++++++++++++++++++++++++++ 6 files changed, 154 insertions(+), 2 deletions(-) diff --git a/drivers/net/txgbe/base/txgbe_aml.c b/drivers/net/txgbe/base/txgbe_aml.c index 043183a764..4305fba19c 100644 --- a/drivers/net/txgbe/base/txgbe_aml.c +++ b/drivers/net/txgbe/base/txgbe_aml.c @@ -131,6 +131,26 @@ u32 txgbe_get_media_type_aml(struct txgbe_hw *hw) return media_type; } +static int +txgbe_phy_fec_get(struct txgbe_hw *hw) +{ + int value = 0; + + rte_spinlock_lock(&hw->phy_lock); + value = rd32_epcs(hw, SR_PMA_RS_FEC_CTRL); + rte_spinlock_unlock(&hw->phy_lock); + if (value & 0x4) + return TXGBE_PHY_FEC_RS; + + rte_spinlock_lock(&hw->phy_lock); + value = rd32_epcs(hw, SR_PMA_KR_FEC_CTRL); + rte_spinlock_unlock(&hw->phy_lock); + if (value & 0x1) + return TXGBE_PHY_FEC_BASER; + + return TXGBE_PHY_FEC_OFF; +} + void txgbe_wait_for_link_up_aml(struct txgbe_hw *hw, u32 speed) { u32 link_speed = TXGBE_LINK_SPEED_UNKNOWN; @@ -184,7 +204,12 @@ s32 txgbe_setup_mac_link_aml(struct txgbe_hw *hw, status = hw->mac.check_link(hw, &link_speed, &link_up, autoneg_wait_to_complete); - if (link_speed == speed && link_up) + if (link_up && speed == TXGBE_LINK_SPEED_25GB_FULL) + hw->cur_fec_link = txgbe_phy_fec_get(hw); + + if (link_speed == speed && link_up && + !(speed == TXGBE_LINK_SPEED_25GB_FULL && + !(hw->fec_mode & hw->cur_fec_link))) return status; if (speed & TXGBE_LINK_SPEED_25GB_FULL) diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c index 8eae816164..c36d6a6626 100644 --- a/drivers/net/txgbe/base/txgbe_hw.c +++ b/drivers/net/txgbe/base/txgbe_hw.c @@ -329,6 +329,9 @@ s32 txgbe_init_hw(struct txgbe_hw *hw) txgbe_disable_lldp(hw); + /* Init fec mode to 'AUTO' */ + hw->fec_mode = TXGBE_PHY_FEC_AUTO; + /* Reset the hardware */ status = hw->mac.reset_hw(hw); if (status == 0 || status == TXGBE_ERR_SFP_NOT_PRESENT) { diff --git a/drivers/net/txgbe/base/txgbe_mng.c b/drivers/net/txgbe/base/txgbe_mng.c index 890cb323df..1a5815954c 100644 --- a/drivers/net/txgbe/base/txgbe_mng.c +++ b/drivers/net/txgbe/base/txgbe_mng.c @@ -601,7 +601,7 @@ s32 txgbe_hic_ephy_set_link(struct txgbe_hw *hw, u8 speed, u8 autoneg, u8 duplex buffer.hdr.buf_len = sizeof(struct txgbe_hic_ephy_setlink) - sizeof(struct txgbe_hic_hdr); buffer.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED; - buffer.fec_mode = TXGBE_PHY_FEC_AUTO; + buffer.fec_mode = hw->fec_mode; buffer.speed = speed; buffer.autoneg = autoneg; buffer.duplex = duplex; diff --git a/drivers/net/txgbe/base/txgbe_phy.h b/drivers/net/txgbe/base/txgbe_phy.h index c02be3cc34..f1849c8400 100644 --- a/drivers/net/txgbe/base/txgbe_phy.h +++ b/drivers/net/txgbe/base/txgbe_phy.h @@ -40,6 +40,7 @@ #define SR_PMA_KR_LD_CESTS_RR MS16(15, 0x1) #define SR_PMA_KR_FEC_CTRL 0x0100AB #define SR_PMA_KR_FEC_CTRL_EN MS16(0, 0x1) +#define SR_PMA_RS_FEC_CTRL 0x0100C8 #define SR_MII_MMD_CTL 0x1F0000 #define SR_MII_MMD_CTL_AN_EN 0x1000 #define SR_MII_MMD_CTL_RESTART_AN 0x0200 diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h index ba961b4b1e..3833f1420a 100644 --- a/drivers/net/txgbe/base/txgbe_type.h +++ b/drivers/net/txgbe/base/txgbe_type.h @@ -855,6 +855,8 @@ struct txgbe_hw { /*amlite: new SW-FW mbox */ u8 swfw_index; rte_atomic32_t swfw_busy; + u32 fec_mode; + u32 cur_fec_link; }; struct txgbe_backplane_ability { diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index fffb8fb01d..374d6452f4 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -2805,9 +2805,31 @@ txgbe_dev_detect_sfp(void *param) { struct rte_eth_dev *dev = (struct rte_eth_dev *)param; struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + u32 value = 0; s32 err; + if (hw->mac.type == txgbe_mac_aml40) { + value = rd32(hw, TXGBE_GPIOEXT); + if (value & TXGBE_SFP1_MOD_PRST_LS) { + err = TXGBE_ERR_SFP_NOT_PRESENT; + goto out; + } + } + + if (hw->mac.type == txgbe_mac_aml) { + value = rd32(hw, TXGBE_GPIOEXT); + if (value & TXGBE_SFP1_MOD_ABS_LS) { + err = TXGBE_ERR_SFP_NOT_PRESENT; + goto out; + } + } + + /* wait for sfp module ready*/ + if (hw->mac.type == txgbe_mac_aml || hw->mac.type == txgbe_mac_aml40) + msec_delay(200); + err = hw->phy.identify_sfp(hw); +out: if (err == TXGBE_ERR_SFP_NOT_SUPPORTED) { PMD_DRV_LOG(ERR, "Unsupported SFP+ module type was detected."); } else if (err == TXGBE_ERR_SFP_NOT_PRESENT) { @@ -5632,6 +5654,102 @@ txgbe_clear_all_l2_tn_filter(struct rte_eth_dev *dev) return 0; } +static int txgbe_fec_get_capa_speed_to_fec(struct rte_eth_fec_capa *speed_fec_capa) +{ + int num = 2; + + if (speed_fec_capa) { + speed_fec_capa[0].speed = RTE_ETH_SPEED_NUM_10G; + speed_fec_capa[0].capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC); + speed_fec_capa[1].speed = RTE_ETH_SPEED_NUM_25G; + speed_fec_capa[1].capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) | + RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) | + RTE_ETH_FEC_MODE_CAPA_MASK(BASER) | + RTE_ETH_FEC_MODE_CAPA_MASK(RS); + } + + return num; +} + +static int txgbe_fec_get_capability(struct rte_eth_dev *dev, + struct rte_eth_fec_capa *speed_fec_capa, + unsigned int num) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + u8 num_entries; + + if (hw->mac.type != txgbe_mac_aml) + return -EOPNOTSUPP; + + num_entries = txgbe_fec_get_capa_speed_to_fec(NULL); + if (!speed_fec_capa || num < num_entries) + return num_entries; + + return txgbe_fec_get_capa_speed_to_fec(speed_fec_capa); +} + +static int txgbe_fec_get(struct rte_eth_dev *dev, uint32_t *fec_capa) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + u32 speed = 0; + bool negotiate = false; + u32 curr_fec_mode; + + hw->mac.get_link_capabilities(hw, &speed, &negotiate); + + if (hw->mac.type != txgbe_mac_aml || + !(speed & TXGBE_LINK_SPEED_25GB_FULL)) + return -EOPNOTSUPP; + + if (hw->fec_mode == TXGBE_PHY_FEC_AUTO) + curr_fec_mode = RTE_ETH_FEC_MODE_CAPA_MASK(AUTO); + else if (hw->fec_mode == TXGBE_PHY_FEC_RS) + curr_fec_mode = RTE_ETH_FEC_MODE_CAPA_MASK(RS); + else if (hw->fec_mode == TXGBE_PHY_FEC_BASER) + curr_fec_mode = RTE_ETH_FEC_MODE_CAPA_MASK(BASER); + else + curr_fec_mode = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC); + + *fec_capa = curr_fec_mode; + return 0; +} + +static int txgbe_fec_set(struct rte_eth_dev *dev, u32 fec_capa) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + u32 orig_fec_mode = hw->fec_mode; + bool negotiate = false; + u32 speed = 0; + + hw->mac.get_link_capabilities(hw, &speed, &negotiate); + + if (hw->mac.type != txgbe_mac_aml || + !(speed & TXGBE_LINK_SPEED_25GB_FULL)) + return -EOPNOTSUPP; + + if (!fec_capa) + return -EINVAL; + + if (fec_capa & RTE_ETH_FEC_MODE_CAPA_MASK(AUTO)) + hw->fec_mode = TXGBE_PHY_FEC_AUTO; + + if (fec_capa & RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC)) + hw->fec_mode = TXGBE_PHY_FEC_OFF; + + if (fec_capa & RTE_ETH_FEC_MODE_CAPA_MASK(BASER)) + hw->fec_mode = TXGBE_PHY_FEC_BASER; + + if (fec_capa & RTE_ETH_FEC_MODE_CAPA_MASK(RS)) + hw->fec_mode = TXGBE_PHY_FEC_RS; + + if (hw->fec_mode != orig_fec_mode) { + txgbe_dev_setup_link_alarm_handler(dev); + txgbe_dev_link_update(dev, 0); + } + + return 0; +} + static const struct eth_dev_ops txgbe_eth_dev_ops = { .dev_configure = txgbe_dev_configure, .dev_infos_get = txgbe_dev_info_get, @@ -5708,6 +5826,9 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = { .udp_tunnel_port_del = txgbe_dev_udp_tunnel_port_del, .tm_ops_get = txgbe_tm_ops_get, .tx_done_cleanup = txgbe_dev_tx_done_cleanup, + .fec_get_capability = txgbe_fec_get_capability, + .fec_get = txgbe_fec_get, + .fec_set = txgbe_fec_set, }; RTE_PMD_REGISTER_PCI(net_txgbe, rte_txgbe_pmd); -- 2.21.0.windows.1