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 6AE2E42631; Mon, 25 Sep 2023 06:40:54 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3706B402CC; Mon, 25 Sep 2023 06:40:54 +0200 (CEST) Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) by mails.dpdk.org (Postfix) with ESMTP id A6EF4402B7 for ; Mon, 25 Sep 2023 06:40:52 +0200 (CEST) Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-2769920fa24so4153271a91.1 for ; Sun, 24 Sep 2023 21:40:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1695616852; x=1696221652; darn=dpdk.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=JjFE8QadjlCyLeb7Y64Nww2mu4oVEGmf5tFx85HjsPE=; b=ZUAYllY1RyTxD+/5KmpqLfYx+V5glQBTLJwi7SKmbXjpFOjbYkKgC5cMILhVKwQRGE 29gSEARu6Dckys4SH6QSWoSIplEYBwnkj81WpppW9C3W0vSPHMBA0Pp2pyR9rLtvdEv1 vrzrCtN79cJjjvd18TUPDOf7V+QNWoPzV1j9I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695616852; x=1696221652; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=JjFE8QadjlCyLeb7Y64Nww2mu4oVEGmf5tFx85HjsPE=; b=WMvOb2TvDiziwDDULi6DnUjHsR6KocPjzP8xUn3xmFkeOwBVoH51HKip85ZeuMOztT bp+s2LnFKQFqfbvJ5APW78DGS06qTLZwjpXEevUIVowpYzrVkDyoov9JA1cFIH0G9ESV hjF5cHg0041az3jd7bV8HOCsE7fP75R+FjcbI0+/VrD/B16wJEm47WpMPgVaK+OARGpO 6CQD/Pzjzpsf66xl9cZJZ92nL//O33mk3H8p4nIdrKOfhf5+a2Z910r9NY7dfNmNcr8L ahIf1UcMkGkiddu4oVrCLOBmrkdJcnBDekJP39htuOX9n2PIa+vqDJoy4QRSExNDWFCW JddA== X-Gm-Message-State: AOJu0YxKP53BV8XY9Tc/tx9CZ+xVD05PLmgLcz1uAhbWymOHfXRcXCTL Fck+cHKQFc4MJWPmd+YfPDAUpT/rDqW8nUzf3MLxxg== X-Google-Smtp-Source: AGHT+IEAPQJ4nJjUibcTofFofc9IsbBajvs6y9ahZpi2HMMSoLgUJAJNwtJ6KRE/T+oSvVwPFAi07pn9C43SwR/0Hfo= X-Received: by 2002:a17:90b:1c8e:b0:277:6128:28cd with SMTP id oo14-20020a17090b1c8e00b00277612828cdmr1107801pjb.39.1695616851766; Sun, 24 Sep 2023 21:40:51 -0700 (PDT) MIME-Version: 1.0 References: <20220420081650.2043183-1-feifei.wang2@arm.com> <20230925031917.420178-1-feifei.wang2@arm.com> <20230925031917.420178-2-feifei.wang2@arm.com> In-Reply-To: <20230925031917.420178-2-feifei.wang2@arm.com> From: Ajit Khaparde Date: Sun, 24 Sep 2023 21:40:34 -0700 Message-ID: Subject: Re: [PATCH v13 1/4] ethdev: add API for mbufs recycle mode To: Feifei Wang Cc: Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko , dev@dpdk.org, nd@arm.com, Honnappa Nagarahalli , Ruifeng Wang , =?UTF-8?Q?Morten_Br=C3=B8rup?= , Konstantin Ananyev Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000025ad850606279099" 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 --00000000000025ad850606279099 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, Sep 24, 2023 at 8:19=E2=80=AFPM Feifei Wang = wrote: > > Add 'rte_eth_recycle_rx_queue_info_get' and 'rte_eth_recycle_mbufs' > APIs to recycle used mbufs from a transmit queue of an Ethernet device, > and move these mbufs into a mbuf ring for a receive queue of an Ethernet > device. This can bypass mempool 'put/get' operations hence saving CPU > cycles. > > For each recycling mbufs, the rte_eth_recycle_mbufs() function performs > the following operations: > - Copy used *rte_mbuf* buffer pointers from Tx mbuf ring into Rx mbuf > ring. > - Replenish the Rx descriptors with the recycling *rte_mbuf* mbufs freed > from the Tx mbuf ring. > > Suggested-by: Honnappa Nagarahalli > Suggested-by: Ruifeng Wang > Signed-off-by: Feifei Wang > Reviewed-by: Ruifeng Wang > Reviewed-by: Honnappa Nagarahalli > Acked-by: Morten Br=C3=B8rup > Acked-by: Konstantin Ananyev > Acked-by: Ferruh Yigit Acked-by: Ajit Khaparde > --- > doc/guides/rel_notes/release_23_11.rst | 15 +++ > lib/ethdev/ethdev_driver.h | 10 ++ > lib/ethdev/ethdev_private.c | 2 + > lib/ethdev/rte_ethdev.c | 22 +++ > lib/ethdev/rte_ethdev.h | 180 +++++++++++++++++++++++++ > lib/ethdev/rte_ethdev_core.h | 23 +++- > lib/ethdev/version.map | 3 + > 7 files changed, 249 insertions(+), 6 deletions(-) > 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