From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id 77CA01B026 for ; Tue, 20 Feb 2018 08:35:20 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 64758400056 for ; Tue, 20 Feb 2018 07:35:19 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Mon, 19 Feb 2018 23:35:15 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Mon, 19 Feb 2018 23:35:14 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w1K7ZDfY025064; Tue, 20 Feb 2018 07:35:13 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w1K7ZBtn020529; Tue, 20 Feb 2018 07:35:13 GMT From: Andrew Rybchenko To: CC: Andy Moreton Date: Tue, 20 Feb 2018 07:33:55 +0000 Message-ID: <1519112078-20113-38-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1519112078-20113-1-git-send-email-arybchenko@solarflare.com> References: <1519112078-20113-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-MDID: 1519112120-XcqvCjYBtQqw Subject: [dpdk-dev] [PATCH 37/80] net/sfc/base: retrieve number of MAC stats from NIC 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: , X-List-Received-Date: Tue, 20 Feb 2018 07:35:20 -0000 From: Andy Moreton This reports the number of stats (and hence the DMA buffer size) for MAC stats. If MC_GET_CAPABABILITIES_V4 is not supported then use the legacy Siena-compatible MC_CMD_MAC_NSTATS value. Signed-off-by: Andy Moreton Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/ef10_nic.c | 14 ++++++++++++-- drivers/net/sfc/base/efx.h | 2 ++ drivers/net/sfc/base/siena_nic.c | 2 ++ 3 files changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/net/sfc/base/ef10_nic.c b/drivers/net/sfc/base/ef10_nic.c index 66ea353..a23cf63 100644 --- a/drivers/net/sfc/base/ef10_nic.c +++ b/drivers/net/sfc/base/ef10_nic.c @@ -996,7 +996,7 @@ ef10_get_datapath_caps( efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN, - MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)]; + MC_CMD_GET_CAPABILITIES_V4_OUT_LEN)]; efx_rc_t rc; if ((rc = ef10_mcdi_get_pf_count(enp, &encp->enc_hw_pf_count)) != 0) @@ -1008,7 +1008,7 @@ ef10_get_datapath_caps( req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN; req.emr_out_buf = payload; - req.emr_out_length = MC_CMD_GET_CAPABILITIES_V2_OUT_LEN; + req.emr_out_length = MC_CMD_GET_CAPABILITIES_V4_OUT_LEN; efx_mcdi_execute_quiet(enp, &req); @@ -1175,6 +1175,16 @@ ef10_get_datapath_caps( encp->enc_tunnel_config_udp_entries_max = 0; } + /* Check if firmware supports extended MAC stats. */ + if (req.emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V4_OUT_LEN) { + /* Extended stats buffer supported */ + encp->enc_mac_stats_nstats = MCDI_OUT_WORD(req, + GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS); + } else { + /* Use Siena-compatible legacy MAC stats */ + encp->enc_mac_stats_nstats = MC_CMD_MAC_NSTATS; + } + #undef CAP_FLAGS1 #undef CAP_FLAGS2 diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h index 2c7e932..fd02af1 100644 --- a/drivers/net/sfc/base/efx.h +++ b/drivers/net/sfc/base/efx.h @@ -1232,6 +1232,8 @@ typedef struct efx_nic_cfg_s { uint32_t enc_max_pcie_link_gen; /* Firmware verifies integrity of NVRAM updates */ uint32_t enc_nvram_update_verify_result_supported; + /* Firmware support for extended MAC_STATS buffer */ + uint32_t enc_mac_stats_nstats; } efx_nic_cfg_t; #define EFX_PCI_FUNCTION_IS_PF(_encp) ((_encp)->enc_vf == 0xffff) diff --git a/drivers/net/sfc/base/siena_nic.c b/drivers/net/sfc/base/siena_nic.c index c051c59..f518a54 100644 --- a/drivers/net/sfc/base/siena_nic.c +++ b/drivers/net/sfc/base/siena_nic.c @@ -156,6 +156,8 @@ siena_board_cfg( encp->enc_nvram_update_verify_result_supported = B_FALSE; + encp->enc_mac_stats_nstats = MC_CMD_MAC_NSTATS; + return (0); fail2: -- 2.7.4