From patchwork Mon Dec 11 06:27:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Arinzon X-Patchwork-Id: 13486703 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="BUI1amFp" Received: from smtp-fw-9102.amazon.com (smtp-fw-9102.amazon.com [207.171.184.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1081E9 for ; Sun, 10 Dec 2023 22:28:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1702276103; x=1733812103; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fNdhKyqQSfTqcVFdqC5AdCH2k1eZp/wrj8V3qDi6cj8=; b=BUI1amFp8t4YIKSYo+rXbzdViUekuwoT7XkgvH1m7TQvmp/G2kMzge5H HGoQJyCZU6O+F1JVylvlvhx/mik2FKM9vVjIKmsZG+Ep3xn68A+WXHQN2 2S/dxSHj2ylXHAdwEE75XzoZDwk8DO/ULk2fVsIjSZznp50Fkcvlr0cFg g=; X-IronPort-AV: E=Sophos;i="6.04,267,1695686400"; d="scan'208";a="382018409" Received: from pdx4-co-svc-p1-lb2-vlan3.amazon.com (HELO email-inbound-relay-iad-1e-m6i4x-b538c141.us-east-1.amazon.com) ([10.25.36.214]) by smtp-border-fw-9102.sea19.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2023 06:28:17 +0000 Received: from smtpout.prod.us-east-1.prod.farcaster.email.amazon.dev (iad7-ws-svc-p70-lb3-vlan2.iad.amazon.com [10.32.235.34]) by email-inbound-relay-iad-1e-m6i4x-b538c141.us-east-1.amazon.com (Postfix) with ESMTPS id 39394A0F83; Mon, 11 Dec 2023 06:28:15 +0000 (UTC) Received: from EX19MTAUEA001.ant.amazon.com [10.0.44.209:37394] by smtpin.naws.us-east-1.prod.farcaster.email.amazon.dev [10.0.16.162:2525] with esmtp (Farcaster) id 6b79ee56-17da-4c07-b655-21f8f6b09897; Mon, 11 Dec 2023 06:28:15 +0000 (UTC) X-Farcaster-Flow-ID: 6b79ee56-17da-4c07-b655-21f8f6b09897 Received: from EX19D008UEA004.ant.amazon.com (10.252.134.191) by EX19MTAUEA001.ant.amazon.com (10.252.134.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 11 Dec 2023 06:28:15 +0000 Received: from EX19MTAUEA001.ant.amazon.com (10.252.134.203) by EX19D008UEA004.ant.amazon.com (10.252.134.191) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 11 Dec 2023 06:28:14 +0000 Received: from dev-dsk-darinzon-1c-05962a8d.eu-west-1.amazon.com (172.19.80.187) by mail-relay.amazon.com (10.252.134.102) with Microsoft SMTP Server id 15.2.1118.40 via Frontend Transport; Mon, 11 Dec 2023 06:28:12 +0000 From: To: David Miller , Jakub Kicinski , CC: David Arinzon , "Woodhouse, David" , "Machulsky, Zorik" , "Matushevsky, Alexander" , Saeed Bshara , "Wilson, Matt" , "Liguori, Anthony" , "Bshara, Nafea" , "Belgazal, Netanel" , "Saidi, Ali" , "Herrenschmidt, Benjamin" , "Kiyanovski, Arthur" , "Dagan, Noam" , "Agroskin, Shay" , "Itzko, Shahar" , "Abboud, Osama" , "Ostrovsky, Evgeny" , Sameeh Jubran Subject: [PATCH v2 net 1/4] net: ena: Destroy correct number of xdp queues upon failure Date: Mon, 11 Dec 2023 06:27:58 +0000 Message-ID: <20231211062801.27891-2-darinzon@amazon.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231211062801.27891-1-darinzon@amazon.com> References: <20231211062801.27891-1-darinzon@amazon.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Precedence: Bulk X-Patchwork-Delegate: kuba@kernel.org From: David Arinzon The ena_setup_and_create_all_xdp_queues() function freed all the resources upon failure, after creating only xdp_num_queues queues, instead of freeing just the created ones. In this patch, the only resources that are freed, are the ones allocated right before the failure occurs. Fixes: 548c4940b9f1 ("net: ena: Implement XDP_TX action") Signed-off-by: Shahar Itzko Signed-off-by: David Arinzon --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index b5bca48..9884ef3 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -74,6 +74,8 @@ static void ena_unmap_tx_buff(struct ena_ring *tx_ring, struct ena_tx_buffer *tx_info); static int ena_create_io_tx_queues_in_range(struct ena_adapter *adapter, int first_index, int count); +static void ena_free_all_io_tx_resources_in_range(struct ena_adapter *adapter, + int first_index, int count); /* Increase a stat by cnt while holding syncp seqlock on 32bit machines */ static void ena_increase_stat(u64 *statp, u64 cnt, @@ -457,23 +459,22 @@ static void ena_init_all_xdp_queues(struct ena_adapter *adapter) static int ena_setup_and_create_all_xdp_queues(struct ena_adapter *adapter) { + u32 xdp_first_ring = adapter->xdp_first_ring; + u32 xdp_num_queues = adapter->xdp_num_queues; int rc = 0; - rc = ena_setup_tx_resources_in_range(adapter, adapter->xdp_first_ring, - adapter->xdp_num_queues); + rc = ena_setup_tx_resources_in_range(adapter, xdp_first_ring, xdp_num_queues); if (rc) goto setup_err; - rc = ena_create_io_tx_queues_in_range(adapter, - adapter->xdp_first_ring, - adapter->xdp_num_queues); + rc = ena_create_io_tx_queues_in_range(adapter, xdp_first_ring, xdp_num_queues); if (rc) goto create_err; return 0; create_err: - ena_free_all_io_tx_resources(adapter); + ena_free_all_io_tx_resources_in_range(adapter, xdp_first_ring, xdp_num_queues); setup_err: return rc; }