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 F2823A0543 for ; Tue, 4 Oct 2022 05:54:18 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id DB4F342685; Tue, 4 Oct 2022 05:54:18 +0200 (CEST) Received: from mail-pg1-f174.google.com (mail-pg1-f174.google.com [209.85.215.174]) by mails.dpdk.org (Postfix) with ESMTP id A8C6A40DFB for ; Tue, 4 Oct 2022 05:54:16 +0200 (CEST) Received: by mail-pg1-f174.google.com with SMTP id q9so11630180pgq.8 for ; Mon, 03 Oct 2022 20:54:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date; bh=Io8Olt2GaTPqHEFXXkWBLRb/grtRid4Ea+8ic6YEebE=; b=DXE4yNO/8/9aLZWBPHChjQxeYCJmVitlg7EivO0Z6YrQc8A8HYiK/FwNQREkGT8AOs FZGP9IYKcmjLeub9Gh6EkbLHQRMxqdCwTKu84qi2K34Bcm7epwBmgQtYxwpr4AkmlO7e YDHfLDhWHa3/OX7gQiEQQdan7LCX98/7fq1Jg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date; bh=Io8Olt2GaTPqHEFXXkWBLRb/grtRid4Ea+8ic6YEebE=; b=0hV7tUe2fLR4h1Qb4BK8Axuehll1XaYH5yEu6FgbZUnVMh8hM3E3UV3TETJXXHPqsR ipXzUEBftpwOA+WEVrCflZxp5b669zh/sv6VEvmE8PxEfiHcZVV8SPHYgFQ/JqR1XXol Skkj48Srk7p1sbhwMdQWGCgnULjEk0CJMIgL7sRuvu/bPAMYSkpz3tgXsw5cpejZB823 Fq8MDJRUh/kHHdWBN/F1+BxUiZQJPb/FVjWQgWU5XsikKXkbZQ7Zvl+/KK3/LYbQlq8q rGRzaVj8OgKg7fBgkUNPxV3j1DgvPdx8ZR06tDRfgtqm5jdduApqSdfLEMLV00ubtyYV OOsg== X-Gm-Message-State: ACrzQf2Hea2Z4vYmnagxyTw3uLdj1ZwWHsrWNy0hpNpf/jdjCeCrN6J2 0XwYIvLZ6x1xI5Ely9awS7H3q2oVuiH6f1UU4BKz9A== X-Google-Smtp-Source: AMsMyM6lUcgzSvZrKLUMZMrRTtW2X6f5gAzDS0L46znZ6k29b53wqb/Z1j6ZTWN9L94q6X71fTHykuZ7gQ/b58euep4= X-Received: by 2002:a05:6a00:198e:b0:541:f85a:6c27 with SMTP id d14-20020a056a00198e00b00541f85a6c27mr25674474pfl.81.1664855655700; Mon, 03 Oct 2022 20:54:15 -0700 (PDT) MIME-Version: 1.0 References: <20220915112906.4487-1-benjamin.le_berre@6wind.com> In-Reply-To: <20220915112906.4487-1-benjamin.le_berre@6wind.com> From: Ajit Khaparde Date: Mon, 3 Oct 2022 20:53:58 -0700 Message-ID: Subject: Re: [PATCH] net/bnxt: return -EBUSY if port is active during MTU change To: Benjamin Le Berre Cc: somnath.kotur@broadcom.com, dev@dpdk.org, dpdk stable Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000fa7b7005ea2d6944" X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org --000000000000fa7b7005ea2d6944 Content-Type: text/plain; charset="UTF-8" On Thu, Sep 15, 2022 at 4:29 AM Benjamin Le Berre wrote: > > When the BNXT PMD was made to disallow MTU changes on active ports, the > error code chosen for the case in bnxt_set_mtu_op() was -EPERM. > > The doc comment for rte_eth_dev_set_mtu() in lib/ethdev/rte_ethdev.h > lists -EBUSY as the value to be used if the port must be stopped before > applying an MTU change and does not list -EPERM as a possible return > value. > > This patch makes bnxt_set_mtu_op() return -EBUSY instead of -EPERM so > that rte_eth_dev_set_mtu() behaves as expected. > > Fixes: a42ab1eb33ff ("net/bnxt: disallow MTU change when device is started") > > Signed-off-by: Benjamin Le Berre Acked-by: Ajit Khaparde > --- > Hi, > > Should I Cc stable@dpdk.org? I just added it to Cc. Hopefully it works. Updated the commit headline to net/bnxt: fix return status during MTU change Patch merged to dpdk-next-net-brcm. Thanks > > Thanks, > Benjamin. > > drivers/net/bnxt/bnxt_ethdev.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c > index e275d3a53fda..c07a41c693da 100644 > --- a/drivers/net/bnxt/bnxt_ethdev.c > +++ b/drivers/net/bnxt/bnxt_ethdev.c > @@ -3030,7 +3030,7 @@ int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu) > /* Return if port is active */ > if (eth_dev->data->dev_started) { > PMD_DRV_LOG(ERR, "Stop port before changing MTU\n"); > - return -EPERM; > + return -EBUSY; > } > > /* Exit if receive queues are not configured yet */ > -- > 2.30.2 > --000000000000fa7b7005ea2d6944 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdgYJKoZIhvcNAQcCoIIQZzCCEGMCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg 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