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 DFFC0A09FF; Mon, 11 Jan 2021 15:37:21 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 70965140E29; Mon, 11 Jan 2021 15:36:24 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id EC0B3140E21 for ; Mon, 11 Jan 2021 15:36:22 +0100 (CET) IronPort-SDR: si2TA+X/ZfpK/otRMYfw/chXpzJ2ytHUyt78QlW6rqk5X6yCpYU67vbzxaWCH8xAeog2QQ3CRH m66q0mQo6zDw== X-IronPort-AV: E=McAfee;i="6000,8403,9860"; a="174360952" X-IronPort-AV: E=Sophos;i="5.79,338,1602572400"; d="scan'208";a="174360952" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2021 06:36:22 -0800 IronPort-SDR: qmcfrYJ+I2E4gR6KKQ35A5zRK9w08acHgozV3W1+TykwkWh7PJQqtbMjXpz52xmXskHaIVZ+b7 B3yJsDIsz0dA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,338,1602572400"; d="scan'208";a="571410661" Received: from silpixa00399498.ir.intel.com (HELO silpixa00399498.ger.corp.intel.com) ([10.237.222.179]) by fmsmga005.fm.intel.com with ESMTP; 11 Jan 2021 06:36:20 -0800 From: Anatoly Burakov To: dev@dpdk.org Cc: Liang Ma , Jeff Guo , Haiyue Wang , thomas@monjalon.net, konstantin.ananyev@intel.com, timothy.mcdaniel@intel.com, david.hunt@intel.com, bruce.richardson@intel.com, chris.macnamara@intel.com Date: Mon, 11 Jan 2021 14:35:53 +0000 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v14 08/11] net/ixgbe: implement power management API 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 Sender: "dev" From: Liang Ma Implement support for the power management API by implementing a `get_monitor_addr` function that will return an address of an RX ring's status bit. Signed-off-by: Anatoly Burakov Signed-off-by: Liang Ma Acked-by: Konstantin Ananyev --- drivers/net/ixgbe/ixgbe_ethdev.c | 1 + drivers/net/ixgbe/ixgbe_rxtx.c | 25 +++++++++++++++++++++++++ drivers/net/ixgbe/ixgbe_rxtx.h | 1 + 3 files changed, 27 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 9a47a8b262..4b7a5ca60b 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -560,6 +560,7 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = { .udp_tunnel_port_del = ixgbe_dev_udp_tunnel_port_del, .tm_ops_get = ixgbe_tm_ops_get, .tx_done_cleanup = ixgbe_dev_tx_done_cleanup, + .get_monitor_addr = ixgbe_get_monitor_addr, }; /* diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 6cfbb582e2..7e046a1819 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -1369,6 +1369,31 @@ const uint32_t RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_UDP, }; +int +ixgbe_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc) +{ + volatile union ixgbe_adv_rx_desc *rxdp; + struct ixgbe_rx_queue *rxq = rx_queue; + uint16_t desc; + + desc = rxq->rx_tail; + rxdp = &rxq->rx_ring[desc]; + /* watch for changes in status bit */ + pmc->addr = &rxdp->wb.upper.status_error; + + /* + * we expect the DD bit to be set to 1 if this descriptor was already + * written to. + */ + pmc->val = rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD); + pmc->mask = rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD); + + /* the registers are 32-bit */ + pmc->data_sz = sizeof(uint32_t); + + return 0; +} + /* @note: fix ixgbe_dev_supported_ptypes_get() if any change here. */ static inline uint32_t ixgbe_rxd_pkt_info_to_pkt_type(uint32_t pkt_info, uint16_t ptype_mask) diff --git a/drivers/net/ixgbe/ixgbe_rxtx.h b/drivers/net/ixgbe/ixgbe_rxtx.h index 6d2f7c9da3..8a25e98df6 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.h +++ b/drivers/net/ixgbe/ixgbe_rxtx.h @@ -299,5 +299,6 @@ uint64_t ixgbe_get_tx_port_offloads(struct rte_eth_dev *dev); uint64_t ixgbe_get_rx_queue_offloads(struct rte_eth_dev *dev); uint64_t ixgbe_get_rx_port_offloads(struct rte_eth_dev *dev); uint64_t ixgbe_get_tx_queue_offloads(struct rte_eth_dev *dev); +int ixgbe_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc); #endif /* _IXGBE_RXTX_H_ */ -- 2.25.1