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 73E79A034E for ; Wed, 9 Feb 2022 16:38:03 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 65E2D41143; Wed, 9 Feb 2022 16:38:03 +0100 (CET) Received: from mail-io1-f48.google.com (mail-io1-f48.google.com [209.85.166.48]) by mails.dpdk.org (Postfix) with ESMTP id 5007041143 for ; Wed, 9 Feb 2022 16:38:01 +0100 (CET) Received: by mail-io1-f48.google.com with SMTP id m185so3585055iof.10 for ; Wed, 09 Feb 2022 07:38:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=s6aIg7Lau8NkUxH+0hn2D3sDQVy/RTL6JFctpkWJNfY=; b=KWLlNndkhPVClUeSrYHXvOz6gYDneZoUYjcBrFpBg6/pLDIRezYfBcHA/50lmBr/tU CuU4GXk6Y7juAHwpkzjGP1P9jSaMPWqMjJD+7macp+M1D2EgRDOHcKaW7y99/5UHvrPK qh0OYn2vFIltqMdjSMVnGqS9StVT8ae99zjDk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=s6aIg7Lau8NkUxH+0hn2D3sDQVy/RTL6JFctpkWJNfY=; b=WZhYOrecO3aczEIUu/hfk8GqDjQ5G0Tw98zWeSls2xHlvsGc45TX0w008fkcr6Ub36 qtFr2T7d46zgo3tSWTCLtG9/Id3tZUcKSmwl8UVnitSYXx47+L50/v3hKF8B5GaYlxVi 8OlAZB90zMAv7bno1LPp3QLFl4Mhuxp9a/hYNXTZSkPYAUswLb1IB/IAAQtCbgDuvQ0K LUw93BxwesWpk5bfe0C5jcDBRgT67I0MFvPds/m5LSmGoYpMarGFK5FASK54v+JwoD4T gG/OdP9dWI31nMiMefkCbnhwOGAof+qMAci210QAEydiUq8w1oGQc8j1s0w0csMfelO9 5RLA== X-Gm-Message-State: AOAM532//c9gIoJgGQ4+Qqye3b/hzSSVg7d3u1uGY5VpX0/IjbVvawgF G8OIGe4D7I71K8Fsaa/fquNbMiKPJEbJzQOZkgd01HZEm6oqOg== X-Google-Smtp-Source: ABdhPJxfuEC5nSsu1QTN1cepjhnHTdSPUVbN0XiaR7DyUQCkNrFxwBAl0hThS05z/TKbzv+YPmTHcy6KFAkfX4TajwM= X-Received: by 2002:a05:6638:14d2:: with SMTP id l18mr1281051jak.69.1644421080646; Wed, 09 Feb 2022 07:38:00 -0800 (PST) MIME-Version: 1.0 References: <20220209055811.88850-1-ajit.khaparde@broadcom.com> In-Reply-To: <20220209055811.88850-1-ajit.khaparde@broadcom.com> From: Ajit Khaparde Date: Wed, 9 Feb 2022 07:37:44 -0800 Message-ID: Subject: Re: [PATCH] net/bnxt: fix ring calculation for representors To: dpdk-dev Cc: dpdk stable , Somnath Kotur , Kalesh AP , Ferruh Yigit Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000006392c405d7979e11" 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 --0000000000006392c405d7979e11 Content-Type: text/plain; charset="UTF-8" On Tue, Feb 8, 2022 at 9:58 PM Ajit Khaparde wrote: > > Currently the Tx and Rx ring count for representors is fixed. > It does not consider the number of rings created for the parent > function. And that can cause issues not only during initialization > but while running traffic. > Instead check the number of rings created for the parent function > while configuring the ring resources for representors. > > Fixes: 322bd6e70272 ("net/bnxt: add port representor infrastructure") > Cc: stable@dpdk.org > > Signed-off-by: Ajit Khaparde > Reviewed-by: Somnath Kotur > Reviewed-by: Kalesh AP Patch applied to dpdk-next-net-brcm. > --- > drivers/net/bnxt/bnxt.h | 2 +- > drivers/net/bnxt/bnxt_reps.c | 19 ++++++++++--------- > 2 files changed, 11 insertions(+), 10 deletions(-) > > diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h > index 433f1c80be..0cbb58b2cf 100644 > --- a/drivers/net/bnxt/bnxt.h > +++ b/drivers/net/bnxt/bnxt.h > @@ -831,7 +831,7 @@ struct bnxt { > uint16_t max_tx_rings; > uint16_t max_rx_rings; > #define MAX_STINGRAY_RINGS 236U > -#define BNXT_MAX_VF_REP_RINGS 8 > +#define BNXT_MAX_VF_REP_RINGS 8U > > uint16_t max_nq_rings; > uint16_t max_l2_ctx; > diff --git a/drivers/net/bnxt/bnxt_reps.c b/drivers/net/bnxt/bnxt_reps.c > index 5e140f0cdb..9ae8848382 100644 > --- a/drivers/net/bnxt/bnxt_reps.c > +++ b/drivers/net/bnxt/bnxt_reps.c > @@ -548,7 +548,8 @@ int bnxt_rep_dev_info_get_op(struct rte_eth_dev *eth_dev, > dev_info->max_mac_addrs = parent_bp->max_l2_ctx; > dev_info->max_hash_mac_addrs = 0; > > - max_rx_rings = BNXT_MAX_VF_REP_RINGS; > + max_rx_rings = RTE_MIN(parent_bp->rx_nr_rings, BNXT_MAX_VF_REP_RINGS); > + > /* For the sake of symmetry, max_rx_queues = max_tx_queues */ > dev_info->max_rx_queues = max_rx_rings; > dev_info->max_tx_queues = max_rx_rings; > @@ -629,10 +630,10 @@ int bnxt_rep_rx_queue_setup_op(struct rte_eth_dev *eth_dev, > struct rte_mbuf **buf_ring; > int rc = 0; > > - if (queue_idx >= BNXT_MAX_VF_REP_RINGS) { > + if (queue_idx >= rep_bp->rx_nr_rings) { > PMD_DRV_LOG(ERR, > "Cannot create Rx ring %d. %d rings available\n", > - queue_idx, BNXT_MAX_VF_REP_RINGS); > + queue_idx, rep_bp->rx_nr_rings); > return -EINVAL; > } > > @@ -729,10 +730,10 @@ int bnxt_rep_tx_queue_setup_op(struct rte_eth_dev *eth_dev, > struct bnxt_tx_queue *parent_txq, *txq; > struct bnxt_vf_rep_tx_queue *vfr_txq; > > - if (queue_idx >= BNXT_MAX_VF_REP_RINGS) { > + if (queue_idx >= rep_bp->rx_nr_rings) { > PMD_DRV_LOG(ERR, > "Cannot create Tx rings %d. %d rings available\n", > - queue_idx, BNXT_MAX_VF_REP_RINGS); > + queue_idx, rep_bp->rx_nr_rings); > return -EINVAL; > } > > @@ -805,10 +806,10 @@ int bnxt_rep_stats_get_op(struct rte_eth_dev *eth_dev, > struct rte_eth_stats *stats) > { > struct bnxt_representor *rep_bp = eth_dev->data->dev_private; > - int i; > + unsigned int i; > > memset(stats, 0, sizeof(*stats)); > - for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) { > + for (i = 0; i < rep_bp->rx_nr_rings; i++) { > stats->obytes += rep_bp->tx_bytes[i]; > stats->opackets += rep_bp->tx_pkts[i]; > stats->ibytes += rep_bp->rx_bytes[i]; > @@ -828,9 +829,9 @@ int bnxt_rep_stats_get_op(struct rte_eth_dev *eth_dev, > int bnxt_rep_stats_reset_op(struct rte_eth_dev *eth_dev) > { > struct bnxt_representor *rep_bp = eth_dev->data->dev_private; > - int i; > + unsigned int i; > > - for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) { > + for (i = 0; i < rep_bp->rx_nr_rings; i++) { > rep_bp->tx_pkts[i] = 0; > rep_bp->tx_bytes[i] = 0; > rep_bp->rx_pkts[i] = 0; > -- > 2.32.0 (Apple Git-132) > --0000000000006392c405d7979e11 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 gg3NMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS 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