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 3966B43C5B; Wed, 6 Mar 2024 13:25:17 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A691B42DFE; Wed, 6 Mar 2024 13:25:03 +0100 (CET) Received: from smtp-fw-6002.amazon.com (smtp-fw-6002.amazon.com [52.95.49.90]) by mails.dpdk.org (Postfix) with ESMTP id 106B142DFB for ; Wed, 6 Mar 2024 13:25:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1709727902; x=1741263902; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=yptce/OFr2/7WPbgq5E3PmVZ26eQ0UlKUoff1IDDeN0=; b=e0VcTrMxLP8D+TfWWc/XqVzZlatwVUpMoBd6FUISB21H0p1zvs9BdNnG m072TUBM7aeVkbUYsP3C7ASgLLp6dZMenCnR8yHiso6fGelTxLsdNq6tV DQhNMtuaGO1NJJIFKXsoWlI88qqiiLDd+JxfI/gS5gSyRoioZx44EzbCe w=; X-IronPort-AV: E=Sophos;i="6.06,208,1705363200"; d="scan'208";a="391346606" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.43.8.6]) by smtp-border-fw-6002.iad6.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2024 12:24:59 +0000 Received: from EX19MTAEUB002.ant.amazon.com [10.0.10.100:52319] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.9.254:2525] with esmtp (Farcaster) id 1dd60d35-7441-43ad-b58c-e948fea0d44f; Wed, 6 Mar 2024 12:24:58 +0000 (UTC) X-Farcaster-Flow-ID: 1dd60d35-7441-43ad-b58c-e948fea0d44f Received: from EX19D007EUA001.ant.amazon.com (10.252.50.133) by EX19MTAEUB002.ant.amazon.com (10.252.51.79) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Wed, 6 Mar 2024 12:24:58 +0000 Received: from EX19MTAUWA001.ant.amazon.com (10.250.64.204) by EX19D007EUA001.ant.amazon.com (10.252.50.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Wed, 6 Mar 2024 12:24:58 +0000 Received: from HFA15-CG15235BS.amazon.com (10.1.213.21) by mail-relay.amazon.com (10.250.64.204) with Microsoft SMTP Server id 15.2.1258.28 via Frontend Transport; Wed, 6 Mar 2024 12:24:56 +0000 From: To: CC: , Shai Brandes Subject: [PATCH v3 04/33] net/ena: sub-optimal configuration notifications support Date: Wed, 6 Mar 2024 14:24:16 +0200 Message-ID: <20240306122445.4350-5-shaibran@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240306122445.4350-1-shaibran@amazon.com> References: <20240306122445.4350-1-shaibran@amazon.com> MIME-Version: 1.0 Content-Type: text/plain 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 From: Shai Brandes ENA device will send asynchronous notifications to the driver in order to notify users about sub-optimal configurations and refer them to public AWS documentation for further action. Signed-off-by: Shai Brandes Reviewed-by: Amit Bernstein --- doc/guides/rel_notes/release_24_03.rst | 1 + .../net/ena/base/ena_defs/ena_admin_defs.h | 11 +++++++- drivers/net/ena/ena_ethdev.c | 26 +++++++++++++++++-- 3 files changed, 35 insertions(+), 3 deletions(-) diff --git a/doc/guides/rel_notes/release_24_03.rst b/doc/guides/rel_notes/release_24_03.rst index fb66d67d32..f47073c7dc 100644 --- a/doc/guides/rel_notes/release_24_03.rst +++ b/doc/guides/rel_notes/release_24_03.rst @@ -104,6 +104,7 @@ New Features * **Updated Amazon ena (Elastic Network Adapter) net driver.** * Removed the reporting of `rx_overruns` errors from xstats and instead updated `imissed` stat with its value. + * Added support for sub-optimal configuration notifications from the device. * **Updated Atomic Rules' Arkville driver.** diff --git a/drivers/net/ena/base/ena_defs/ena_admin_defs.h b/drivers/net/ena/base/ena_defs/ena_admin_defs.h index fa43e22918..4172916551 100644 --- a/drivers/net/ena/base/ena_defs/ena_admin_defs.h +++ b/drivers/net/ena/base/ena_defs/ena_admin_defs.h @@ -1214,7 +1214,8 @@ enum ena_admin_aenq_group { ENA_ADMIN_NOTIFICATION = 3, ENA_ADMIN_KEEP_ALIVE = 4, ENA_ADMIN_REFRESH_CAPABILITIES = 5, - ENA_ADMIN_AENQ_GROUPS_NUM = 6, + ENA_ADMIN_CONF_NOTIFICATIONS = 6, + ENA_ADMIN_AENQ_GROUPS_NUM = 7, }; enum ena_admin_aenq_notification_syndrome { @@ -1251,6 +1252,14 @@ struct ena_admin_aenq_keep_alive_desc { uint32_t rx_overruns_high; }; +struct ena_admin_aenq_conf_notifications_desc { + struct ena_admin_aenq_common_desc aenq_common_desc; + + uint64_t notifications_bitmap; + + uint64_t reserved; +}; + struct ena_admin_ena_mmio_req_read_less_resp { uint16_t req_id; diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index d3f395a832..3157237c0d 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -36,6 +36,10 @@ #define ENA_MIN_RING_DESC 128 +#define BITS_PER_BYTE 8 + +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) + /* * We should try to keep ENA_CLEANUP_BUF_SIZE lower than * RTE_MEMPOOL_CACHE_MAX_SIZE, so we can fit this in mempool local cache. @@ -1842,7 +1846,8 @@ static int ena_device_init(struct ena_adapter *adapter, BIT(ENA_ADMIN_NOTIFICATION) | BIT(ENA_ADMIN_KEEP_ALIVE) | BIT(ENA_ADMIN_FATAL_ERROR) | - BIT(ENA_ADMIN_WARNING); + BIT(ENA_ADMIN_WARNING) | + BIT(ENA_ADMIN_CONF_NOTIFICATIONS); aenq_groups &= get_feat_ctx->aenq.supported_groups; @@ -4021,6 +4026,22 @@ static void ena_keep_alive(void *adapter_data, adapter->dev_stats.tx_drops = tx_drops; } +static void ena_suboptimal_configuration(__rte_unused void *adapter_data, + struct ena_admin_aenq_entry *aenq_e) +{ + struct ena_admin_aenq_conf_notifications_desc *desc; + int bit, num_bits; + + desc = (struct ena_admin_aenq_conf_notifications_desc *)aenq_e; + num_bits = BITS_PER_TYPE(desc->notifications_bitmap); + for (bit = 0; bit < num_bits; bit++) { + if (desc->notifications_bitmap & RTE_BIT64(bit)) { + PMD_DRV_LOG(WARNING, + "Sub-optimal configuration notification code: %d\n", bit + 1); + } + } +} + /** * This handler will called for unknown event group or unimplemented handlers **/ @@ -4035,7 +4056,8 @@ static struct ena_aenq_handlers aenq_handlers = { .handlers = { [ENA_ADMIN_LINK_CHANGE] = ena_update_on_link_change, [ENA_ADMIN_NOTIFICATION] = ena_notification, - [ENA_ADMIN_KEEP_ALIVE] = ena_keep_alive + [ENA_ADMIN_KEEP_ALIVE] = ena_keep_alive, + [ENA_ADMIN_CONF_NOTIFICATIONS] = ena_suboptimal_configuration }, .unimplemented_handler = unimplemented_aenq_handler }; -- 2.17.1