From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.tipi-net.de (mail.tipi-net.de [194.13.80.246]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C020314B72; Mon, 6 Apr 2026 08:36:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.13.80.246 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775464598; cv=none; b=fkzHde9/orCHcZxrHWwm+fDD08s87aprS+n97/JkPWawTh/7i/Erm1KLEFqGqAjCYwk+XQ11n2t1hEhkINJHzrGXZ47Em+CLUsG066Xa5h/mS659hFuoH/G8DDJsIW8thWQxusnBppwekn+4qhEf2sYDgNPj75WbRYcjezBg66c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775464598; c=relaxed/simple; bh=QUetNEQtjgzzZeBVtJDsXfboiHWvfhnhSgNObJFRkho=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tzOAhxQKkTMd+OWp8MlvDRd9F06wcw9T9FNGEl2sxL5vttNWPjpw9NOpyBQng4EUZVqqDcFANnCKvl0DFnKd0HKdZdKPAvJqXSmDJB0WdJDkybMVlvDxooCAcT2u2FrvmS69GsF4fF0cI9QzEBl4HhQnU09idi2cxWSZyRtpCXI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tipi-net.de; spf=pass smtp.mailfrom=tipi-net.de; dkim=pass (2048-bit key) header.d=tipi-net.de header.i=@tipi-net.de header.b=z42p5sze; arc=none smtp.client-ip=194.13.80.246 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tipi-net.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tipi-net.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tipi-net.de header.i=@tipi-net.de header.b="z42p5sze" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id D6EBEA589F; Mon, 6 Apr 2026 10:36:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tipi-net.de; s=dkim; t=1775464594; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=Ux88hnUdYgRfcq03P40LMAWzNQUB5pUpxz3snhsBqgk=; b=z42p5sze435uww8Uq4odXYWgPFZuDRlvDIrsuWSYjCoPLZLHefhxsYyEnjIptbi56g19jj K/8cVOWUUJir/wpPqAQC/7Etv+HM46jAo7+pTvyPkC6YE4cwZiw6VmESbwa0Uh2dhGIth5 dXWLMTneA56Gaf7RHGBi9sQ1xlYiLoe0MuldnKKPToUyCZhGrR4sHuNgJmJL5EmG9/SogN JnyqOSzxk6aXic5FTEgdxJ2uQYWGOeF32CfboIMwzHoihqrrIXSmIkShO6cwnjNmCI6ELE FT6hLPwQmum0S8iE5/BITz8BKrKSvecWBGQupCeOU320LmZsEmbzdL2VmDVfEQ== From: Nicolai Buchwitz To: netdev@vger.kernel.org Cc: Justin Chen , Simon Horman , Mohsin Bashir , Doug Berger , Florian Fainelli , Broadcom internal kernel review list , Andrew Lunn , Eric Dumazet , Paolo Abeni , Nicolai Buchwitz , "David S. Miller" , Jakub Kicinski , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , linux-kernel@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH net-next v6 2/7] net: bcmgenet: register xdp_rxq_info for each RX ring Date: Mon, 6 Apr 2026 10:35:26 +0200 Message-ID: <20260406083536.839517-3-nb@tipi-net.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260406083536.839517-1-nb@tipi-net.de> References: <20260406083536.839517-1-nb@tipi-net.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Register an xdp_rxq_info per RX ring and associate it with the ring's page_pool via MEM_TYPE_PAGE_POOL. This is required infrastructure for XDP program execution: the XDP framework needs to know the memory model backing each RX queue for correct page lifecycle management. No functional change - XDP programs are not yet attached or executed. Signed-off-by: Nicolai Buchwitz --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 18 ++++++++++++++++++ drivers/net/ethernet/broadcom/genet/bcmgenet.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 22a1a8b59268..6b66a95c2f08 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2779,7 +2779,23 @@ static int bcmgenet_rx_ring_create_pool(struct bcmgenet_priv *priv, return err; } + err = xdp_rxq_info_reg(&ring->xdp_rxq, priv->dev, ring->index, 0); + if (err) + goto err_free_pp; + + err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq, MEM_TYPE_PAGE_POOL, + ring->page_pool); + if (err) + goto err_unreg_rxq; + return 0; + +err_unreg_rxq: + xdp_rxq_info_unreg(&ring->xdp_rxq); +err_free_pp: + page_pool_destroy(ring->page_pool); + ring->page_pool = NULL; + return err; } /* Initialize a RDMA ring */ @@ -2808,6 +2824,7 @@ static int bcmgenet_init_rx_ring(struct bcmgenet_priv *priv, if (ret) { for (i = 0; i < ring->size; i++) bcmgenet_free_rx_cb(ring->cbs + i, ring->page_pool); + xdp_rxq_info_unreg(&ring->xdp_rxq); page_pool_destroy(ring->page_pool); ring->page_pool = NULL; return ret; @@ -3013,6 +3030,7 @@ static void bcmgenet_destroy_rx_page_pools(struct bcmgenet_priv *priv) for (i = 0; i <= priv->hw_params->rx_queues; ++i) { ring = &priv->rx_rings[i]; if (ring->page_pool) { + xdp_rxq_info_unreg(&ring->xdp_rxq); page_pool_destroy(ring->page_pool); ring->page_pool = NULL; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 11a0ec563a89..82a6d29f481d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -16,6 +16,7 @@ #include #include #include +#include #include "../unimac.h" @@ -579,6 +580,7 @@ struct bcmgenet_rx_ring { u32 rx_max_coalesced_frames; u32 rx_coalesce_usecs; struct page_pool *page_pool; + struct xdp_rxq_info xdp_rxq; struct bcmgenet_priv *priv; }; -- 2.51.0