From nobody Thu Aug 10 00:06:54 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RLnKV2w7Zz4mVHB; Thu, 10 Aug 2023 00:06:54 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RLnKV2PFdz4VJ8; Thu, 10 Aug 2023 00:06:54 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1691626014; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=LUaEfplowvTQZwb+VICgrqq9ueEjKU+CXTfLxRq55cI=; b=hfW0nMV2uif7lOQZGTz/ARqfezGep+MpeQGo4cJiEcmzi8C4Riz5YCH3jSPgY1+MGnxFp+ mYbZq3axP4hAefDcw0WUjbye+UBosBS0VoVIussQ3EzlHKvR4u9PIC5qxHfNv6J6yYUDq6 Br6ioEa7MfmDaA8NcUE9nuDy6nZ5pWxYMGOR+syBtUInk8HCa0whNkONThcSxV6v46anCL sErcQZuVLDSx5CdvgFo0lpgHIAo9gNg6ZcOkBe1lVZ1BghJsBa4PR26FMRSv3Zh9bpdKe5 UNrAM3IbfzLG4QEzCedTvsZ4a7HupAqzmTDg1X24GPJHS0XPwRFrj9QyQukKIA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1691626014; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=LUaEfplowvTQZwb+VICgrqq9ueEjKU+CXTfLxRq55cI=; b=caeJvuOAT+BNEYgdbhb6FxpqHW+4UAw8Q08yt5ANUECiheb6dDQzJLWh3cEzNcLGA7X9NH yfooNqLgZwm5qahQib9R66T8NalcbdgoiHHDKJiABWYrf0qTV3BbpZ1B6FL5Gwp4f3oJjO tD/pNdXFD7dgaYTKZWKET8T7ECfskfIp3qid1NdyTWlSG8Y6izLsH2IhjzMgbcwM9MNRFc yZDbK6JHVzwHgg/ZYOJaAyYLphm9lOTTLol2GkZRqcUZ3lIlOQxloOpd8VhDOW69zocyCx EIJ0pDuY9qZAD9pjmwnKAJ0lYqI0XWUEVwk41lXipSaQScpxcOHrCbYkwtvwdQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1691626014; a=rsa-sha256; cv=none; b=vt8eOXEzk5ZuVEHqSA8vSwc4oSI3EU8GZr8N8UovhOCLxwtBbe5BKVArpAkNN2WEb5+yTN NQkMcCeiI0cr5t2jqE9zPzQlUGnBXRU0eZOQ3VcDJgfdVB3W+UNQODPlQ33l90sd7cCEaT ChmzeHADpN4F5/4BL7PwCY74DTx6xm79AFz8TN7U48TPWLSf8J5ytRGl0m/VnH7fteGQ4W SFUI1d/ZZQHRr21/jDC1Vv2dE80KNYyBUN8tynDvlE6f4nVzXKI0ubkiDqNXr3ubZVoPhd N1DVL/m3vIXY+9ZJAi3g2M9j2Niun4V7o8SQ8f142hu6cwrTIoa5JPKVK15ooA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4RLnKV1S4kzbYv; Thu, 10 Aug 2023 00:06:54 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 37A06sMV092169; Thu, 10 Aug 2023 00:06:54 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 37A06sow092166; Thu, 10 Aug 2023 00:06:54 GMT (envelope-from git) Date: Thu, 10 Aug 2023 00:06:54 GMT Message-Id: <202308100006.37A06sow092166@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: "Bjoern A. Zeeb" Subject: git: 517e0978db1f - main - LinuxKPI: add page pool skeleton List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bz X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 517e0978db1ff92d9f2b86fe735aba24bca72038 Auto-Submitted: auto-generated The branch main has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=517e0978db1ff92d9f2b86fe735aba24bca72038 commit 517e0978db1ff92d9f2b86fe735aba24bca72038 Author: Bjoern A. Zeeb AuthorDate: 2023-05-23 23:15:57 +0000 Commit: Bjoern A. Zeeb CommitDate: 2023-08-10 00:05:48 +0000 LinuxKPI: add page pool skeleton Add the page pool skeleton based on a wireless driver. We have to sort out some struct page problems first before we can start implementing this but that should happen independent of all other changes. MFC after: 10 days Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D40250 --- sys/compat/linuxkpi/common/include/net/page_pool.h | 119 +++++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/net/page_pool.h b/sys/compat/linuxkpi/common/include/net/page_pool.h new file mode 100644 index 000000000000..4377ec1d53d4 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/net/page_pool.h @@ -0,0 +1,119 @@ +/*- + * Copyright (c) 2023 Bjoern A. Zeeb + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _LINUXKPI_NET_PAGE_POOL_H +#define _LINUXKPI_NET_PAGE_POOL_H + +#include /* pr_debug */ +#include +#include + +struct device; + +struct page_pool_params { + struct device *dev; + uint32_t flags; + uint32_t order; + uint32_t pool_size; + uint32_t max_len; + uint32_t offset; + int nid; /* NUMA */ + enum dma_data_direction dma_dir; +}; + +struct page_pool { +}; + +#define PP_FLAG_DMA_MAP BIT(0) +#define PP_FLAG_DMA_SYNC_DEV BIT(1) +#define PP_FLAG_PAGE_FRAG BIT(2) + +static inline struct page_pool * +page_pool_create(const struct page_pool_params *ppparams) +{ + + pr_debug("%s: TODO\n", __func__); + return (NULL); +} + +static inline void +page_pool_destroy(struct page_pool *ppool) +{ + + pr_debug("%s: TODO\n", __func__); +} + +static inline struct page * +page_pool_dev_alloc_frag(struct page_pool *ppool, uint32_t *offset, + size_t size) +{ + + pr_debug("%s: TODO\n", __func__); + return (NULL); +} + +static inline dma_addr_t +page_pool_get_dma_addr(struct page *page) +{ + + pr_debug("%s: TODO\n", __func__); + return (0); +} + +static inline enum dma_data_direction +page_pool_get_dma_dir(const struct page_pool *ppool) +{ + + pr_debug("%s: TODO\n", __func__); + return (DMA_BIDIRECTIONAL); +} + +static inline void +page_pool_put_full_page(struct page_pool *ppool, struct page *page, + bool allow_direct) +{ + + pr_debug("%s: TODO\n", __func__); +} + +static inline int +page_pool_ethtool_stats_get_count(void) +{ + + pr_debug("%s: TODO\n", __func__); + return (0); +} + +static inline uint8_t * +page_pool_ethtool_stats_get_strings(uint8_t *x) +{ + + pr_debug("%s: TODO\n", __func__); + return (x); +} + +#endif /* _LINUXKPI_NET_PAGE_POOL_H */