From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0E7F3A04BC; Fri, 9 Oct 2020 18:05:26 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AB3F71D736; Fri, 9 Oct 2020 18:03:00 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 2E38C1D73C for ; Fri, 9 Oct 2020 18:02:54 +0200 (CEST) IronPort-SDR: BuOtpjEyt3MpGxxvW1zGkGkFq53ryuQNO5bSDpnzSwWJV0E4PMrs6R7YXAm3BLdovtiAFge++I xVJG47JKh2+A== X-IronPort-AV: E=McAfee;i="6000,8403,9769"; a="250197428" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="250197428" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 09:02:53 -0700 IronPort-SDR: WK4ad5nGiR9pURkSKkS7t7ddfchlJ0cToNOko2luPhhwKdRggsU00oNfP4QzgsdYivpAwMJS1W QaFdx5jIVByQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="528981957" Received: from silpixa00399498.ir.intel.com (HELO silpixa00399498.ger.corp.intel.com) ([10.237.222.52]) by orsmga005.jf.intel.com with ESMTP; 09 Oct 2020 09:02:50 -0700 From: Anatoly Burakov To: dev@dpdk.org Cc: Liang Ma , Qiming Yang , Qi Zhang , david.hunt@intel.com, konstantin.ananyev@intel.com, jerinjacobk@gmail.com, bruce.richardson@intel.com, thomas@monjalon.net, timothy.mcdaniel@intel.com, gage.eads@intel.com, chris.macnamara@intel.com Date: Fri, 9 Oct 2020 17:02:25 +0100 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: <532f45c5d79b4c30a919553d322bb66e91534466.1602258833.git.anatoly.burakov@intel.com> References: <532f45c5d79b4c30a919553d322bb66e91534466.1602258833.git.anatoly.burakov@intel.com> In-Reply-To: <1601647919-25312-1-git-send-email-liang.j.ma@intel.com> References: <1601647919-25312-1-git-send-email-liang.j.ma@intel.com> Subject: [dpdk-dev] [PATCH v5 08/10] 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" From: Liang Ma 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 --- drivers/net/ice/ice_ethdev.c | 1 + drivers/net/ice/ice_rxtx.c | 23 +++++++++++++++++++++++ drivers/net/ice/ice_rxtx.h | 2 ++ 3 files changed, 26 insertions(+) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index d8ce09d28f..260de5dfd7 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 93a0ac6918..9e55eca942 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -25,6 +25,29 @@ 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) +{ + 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); + + 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..c729e474c9 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); #define FDIR_PARSING_ENABLE_PER_QUEUE(ad, on) do { \ int i; \ -- 2.17.1