From patchwork Fri Mar 7 11:57:18 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 14006382 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 44DD221859F; Fri, 7 Mar 2025 11:57:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741348651; cv=none; b=YWAAWvn2GKDo/IXocRL1qEkLkQvIDJ+FhQvgivEHHmLncVfMvSB12pZEwzsDjcuXeHkTmJvzxJFDRewcR+zJUL0xqUAw8jFP1bLMmL0Wh824OSNKwK4CYeVSv2NpaaUPJQASUT7JKI/OkUZcOR/EtqDtAEHzkB3fPx0L2efkkPU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741348651; c=relaxed/simple; bh=W6VQ+V1nmHstDdIlqfgtyjfcPs3sY566gSTVH5r0RV4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NLVmH7V8mpCDQZJM/dSAycd5p7mZta98tR9wLXEhjS0ca/WynWWCdYU6h9n4ytUl/y1he8Kc3MwYVKSIiFUP4gIMtY0A4LguANYf3pGhCU/K71cLsd9/ryJ0sdEXnJSWUlOjqBLK80efJJ1trJS0DpkS/tEXXeKOtx6ZCOUOisU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=waGdBjMN; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=N/zfUSI9; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="waGdBjMN"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="N/zfUSI9" From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1741348648; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NOG038PWXRpibdztyql3sjzUMzeQfzjYIj73kOiBeMY=; b=waGdBjMN3L0P7GIYmRWc/w0ckswrLeqSCbCh5UAqWqQgmg1dU6NMQPu1rhDjH174kS6yZY MeK/kQMdg6sT9MjB3oRrU2PaoZU08tEXZdZAcWbA9kg6FLkvSpLsOSyP3rpbx9Ncs5XTcx OIC+1ngOros5sbngC3Iah9AaVSnf3JNHI4HZ+wbVhObSn1vwXON9m8wS6Tc7eCti4dtTEo QiH83R5vwg4AlCbcNvnHpFrLO3MWpXedZ4RwRAnXKlSKZNHfqbqxQ8mpqCPJUxdQE3iDSY 8gZvWGSBCiuQKyNXawYFNfFdKW7ZgyFOEZG+33IjZw3fsaM9nRKghrY+S9hKAg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1741348648; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NOG038PWXRpibdztyql3sjzUMzeQfzjYIj73kOiBeMY=; b=N/zfUSI9sT6hiVTKZKg/gpOvl6mCFm6wxR8DWzaQgONOFEMqMPUavBHQJ3CgSK2m0qY9oT FQ8+ZnMucrdjQoCw== To: linux-rdma@vger.kernel.org, netdev@vger.kernel.org Cc: "David S. Miller" , Andrew Lunn , Eric Dumazet , Ilias Apalodimas , Jakub Kicinski , Jesper Dangaard Brouer , Joe Damato , Leon Romanovsky , Paolo Abeni , Saeed Mahameed , Simon Horman , Tariq Toukan , Thomas Gleixner , Yunsheng Lin , Sebastian Andrzej Siewior Subject: [PATCH net-next v2 1/5] page_pool: Provide an empty page_pool_stats for disabled stats. Date: Fri, 7 Mar 2025 12:57:18 +0100 Message-ID: <20250307115722.705311-2-bigeasy@linutronix.de> In-Reply-To: <20250307115722.705311-1-bigeasy@linutronix.de> References: <20250307115722.705311-1-bigeasy@linutronix.de> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 An empty struct page_pool_stats allows to always add it to structs and pass it to functions like page_pool_ethtool_stats_get() without the need for an ifdef. Provide an empty struct page_pool_stats and page_pool_get_stats() for !CONFIG_PAGE_POOL_STATS builds. Signed-off-by: Sebastian Andrzej Siewior --- include/net/page_pool/helpers.h | 6 ++++++ include/net/page_pool/types.h | 4 ++++ 2 files changed, 10 insertions(+) diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h index 582a3d00cbe23..4622db90f88f2 100644 --- a/include/net/page_pool/helpers.h +++ b/include/net/page_pool/helpers.h @@ -81,6 +81,12 @@ static inline u64 *page_pool_ethtool_stats_get(u64 *data, const void *stats) { return data; } + +static inline bool page_pool_get_stats(const struct page_pool *pool, + struct page_pool_stats *stats) +{ + return false; +} #endif /** diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h index 7f405672b089d..6d55e6cf5d0db 100644 --- a/include/net/page_pool/types.h +++ b/include/net/page_pool/types.h @@ -140,6 +140,10 @@ struct page_pool_stats { struct page_pool_alloc_stats alloc_stats; struct page_pool_recycle_stats recycle_stats; }; + +#else /* !CONFIG_PAGE_POOL_STATS */ + +struct page_pool_stats { }; #endif /* The whole frag API block must stay within one cacheline. On 32-bit systems,