From patchwork Tue Oct 27 14:59:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liang, Ma" X-Patchwork-Id: 82340 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6AB53A04B5; Tue, 27 Oct 2020 16:03:05 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D3DE472EE; Tue, 27 Oct 2020 16:00:13 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 5478E72D9 for ; Tue, 27 Oct 2020 16:00:12 +0100 (CET) IronPort-SDR: kTecXbhL6OxAKHbPYuYnGtUbyB52YnvZzNo8O2iJLzfo93jZL/W/E5UIABD4vs/JuBcPXgAYLz u8mIrXIW2MYQ== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="167314183" X-IronPort-AV: E=Sophos;i="5.77,424,1596524400"; d="scan'208";a="167314183" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2020 08:00:08 -0700 IronPort-SDR: JdsE4gyJhjIsoW+/nklP/h4WGg2rj3rXmbZNLufjPblarTspBJCko/2RS6KarVImiYS3yjOThB kHX6D1V/uEAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,424,1596524400"; d="scan'208";a="350303048" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga008.jf.intel.com with ESMTP; 27 Oct 2020 08:00:01 -0700 Received: from sivswdev09.ir.intel.com (sivswdev09.ir.intel.com [10.237.217.48]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id 09RF01dC015788; Tue, 27 Oct 2020 15:00:01 GMT Received: from sivswdev09.ir.intel.com (localhost [127.0.0.1]) by sivswdev09.ir.intel.com with ESMTP id 09RF01mH022957; Tue, 27 Oct 2020 15:00:01 GMT Received: (from lma25@localhost) by sivswdev09.ir.intel.com with LOCAL id 09RF01ni022953; Tue, 27 Oct 2020 15:00:01 GMT From: Liang Ma To: dev@dpdk.org Cc: ruifeng.wang@arm.com, haiyue.wang@intel.com, bruce.richardson@intel.com, konstantin.ananyev@intel.com, david.hunt@intel.com, jerinjacobk@gmail.com, nhorman@tuxdriver.com, thomas@monjalon.net, timothy.mcdaniel@intel.com, gage.eads@intel.com, mw@semihalf.com, gtzalik@amazon.com, ajit.khaparde@broadcom.com, hkalra@marvell.com, johndale@cisco.com, xavier.huwei@huawei.com, xuanziyang2@huawei.com, matan@nvidia.com, yongwang@vmware.com, Anatoly Burakov , Qiming Yang , Qi Zhang Date: Tue, 27 Oct 2020 14:59:08 +0000 Message-Id: <1603810749-22285-9-git-send-email-liang.j.ma@intel.com> X-Mailer: git-send-email 1.7.7.4 In-Reply-To: <1603810749-22285-1-git-send-email-liang.j.ma@intel.com> References: <1603810749-22285-1-git-send-email-liang.j.ma@intel.com> In-Reply-To: <1603494392-7181-1-git-send-email-liang.j.ma@intel.com> References: <1603494392-7181-1-git-send-email-liang.j.ma@intel.com> Subject: [dpdk-dev] [PATCH v10 8/9] net/ice: implement power management API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" Implement support for the power management API by implementing a `get_wake_addr` function that will return an address of an RX ring's status bit. Signed-off-by: Liang Ma Signed-off-by: Anatoly Burakov Acked-by: Konstantin Ananyev --- drivers/net/ice/ice_ethdev.c | 1 + drivers/net/ice/ice_rxtx.c | 26 ++++++++++++++++++++++++++ drivers/net/ice/ice_rxtx.h | 2 ++ 3 files changed, 29 insertions(+) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index c65125ff32..54f185ad4d 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -216,6 +216,7 @@ static const struct eth_dev_ops ice_eth_dev_ops = { .udp_tunnel_port_add = ice_dev_udp_tunnel_port_add, .udp_tunnel_port_del = ice_dev_udp_tunnel_port_del, .tx_done_cleanup = ice_tx_done_cleanup, + .get_wake_addr = ice_get_wake_addr, }; /* store statistics names and its offset in stats structure */ diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index ee576c362a..fafd6ada62 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -26,6 +26,32 @@ uint64_t rte_net_ice_dynflag_proto_xtr_ipv6_flow_mask; uint64_t rte_net_ice_dynflag_proto_xtr_tcp_mask; uint64_t rte_net_ice_dynflag_proto_xtr_ip_offset_mask; +int ice_get_wake_addr(void *rx_queue, volatile void **tail_desc_addr, + uint64_t *expected, uint64_t *mask, uint8_t *data_sz) +{ + volatile union ice_rx_flex_desc *rxdp; + struct ice_rx_queue *rxq = rx_queue; + uint16_t desc; + + desc = rxq->rx_tail; + rxdp = &rxq->rx_ring[desc]; + /* watch for changes in status bit */ + *tail_desc_addr = &rxdp->wb.status_error0; + + /* + * we expect the DD bit to be set to 1 if this descriptor was already + * written to. + */ + *expected = rte_cpu_to_le_16(1 << ICE_RX_FLEX_DESC_STATUS0_DD_S); + *mask = rte_cpu_to_le_16(1 << ICE_RX_FLEX_DESC_STATUS0_DD_S); + + /* register is 16-bit */ + *data_sz = 2; + + return 0; +} + + static inline uint8_t ice_proto_xtr_type_to_rxdid(uint8_t xtr_type) { diff --git a/drivers/net/ice/ice_rxtx.h b/drivers/net/ice/ice_rxtx.h index 1c23c7541e..7eeb8d467e 100644 --- a/drivers/net/ice/ice_rxtx.h +++ b/drivers/net/ice/ice_rxtx.h @@ -250,6 +250,8 @@ uint16_t ice_xmit_pkts_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); int ice_fdir_programming(struct ice_pf *pf, struct ice_fltr_desc *fdir_desc); int ice_tx_done_cleanup(void *txq, uint32_t free_cnt); +int ice_get_wake_addr(void *rx_queue, volatile void **tail_desc_addr, + uint64_t *expected, uint64_t *mask, uint8_t *data_sz); #define FDIR_PARSING_ENABLE_PER_QUEUE(ad, on) do { \ int i; \