From patchwork Tue Oct 22 03:22:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunsheng Lin X-Patchwork-Id: 13845061 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F0CF6D1713E for ; Tue, 22 Oct 2024 03:33:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uOEAAFgIpXYqCB3c3c+YxjmfF/rcgaD82HGj1MCXtXw=; b=UUoZIdh6OmAqYm/qno7Zxv53KN AwTyRjWmCiecSRBMpspIMLru5BQ3Ickk51naToNE50o6wjL1K94+YCklwSdU6kAH5OOH570BvARwh NLwFZSc293xnGnPSo9O2Sh5TaEy5u6zFQrK+Lwx7IPMcJyfFDG0+wclm36J+/qcphdaq9D3Te9M8X qa2B+EIjIJQB1HguTe1MJv+SeCMZe2KRuT52Sx7CD1h4uoVNqHwZegTQq3WCXucliBab9DL6Y+71p QJYCwebsp2i5WAU/A2COpSHXP5MBz+7LZ+9d5XVoRbih2Wm5UIyxIjlSzZMeQM+D/K9tpO5NSIFEH sohJ/n/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t35dd-00000009TL9-1iTj; Tue, 22 Oct 2024 03:32:53 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t35ZX-00000009SD5-1gL2; Tue, 22 Oct 2024 03:28:41 +0000 Received: from mail.maildlp.com (unknown [172.19.163.17]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4XXcwZ50T1z1HLCp; Tue, 22 Oct 2024 11:24:14 +0800 (CST) Received: from dggpemf200006.china.huawei.com (unknown [7.185.36.61]) by mail.maildlp.com (Postfix) with ESMTPS id 38F861A0188; Tue, 22 Oct 2024 11:28:34 +0800 (CST) Received: from localhost.localdomain (10.90.30.45) by dggpemf200006.china.huawei.com (7.185.36.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Tue, 22 Oct 2024 11:28:33 +0800 From: Yunsheng Lin To: , , CC: , , , Yunsheng Lin , Wei Fang , Shenwei Wang , Clark Wang , Andrew Lunn , Eric Dumazet , Jeroen de Borst , Praveen Kaligineedi , Shailend Chand , Tony Nguyen , Przemek Kitszel , Alexander Lobakin , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Felix Fietkau , Lorenzo Bianconi , Ryder Lee , Shayne Chen , Sean Wang , Kalle Valo , Matthias Brugger , AngeloGioacchino Del Regno , Ilias Apalodimas , , , , , , , , , Subject: [PATCH net-next v3 1/3] page_pool: introduce page_pool_to_pp() API Date: Tue, 22 Oct 2024 11:22:11 +0800 Message-ID: <20241022032214.3915232-2-linyunsheng@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20241022032214.3915232-1-linyunsheng@huawei.com> References: <20241022032214.3915232-1-linyunsheng@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.30.45] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemf200006.china.huawei.com (7.185.36.61) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241021_202840_287068_D3C16CA8 X-CRM114-Status: GOOD ( 16.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org introduce page_pool_to_pp() API to avoid caller accessing page->pp directly. Signed-off-by: Yunsheng Lin --- drivers/net/ethernet/freescale/fec_main.c | 8 +++++--- .../net/ethernet/google/gve/gve_buffer_mgmt_dqo.c | 4 ++-- drivers/net/ethernet/intel/iavf/iavf_txrx.c | 6 ++++-- drivers/net/ethernet/intel/idpf/idpf_txrx.c | 14 +++++++++----- drivers/net/ethernet/intel/libeth/rx.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 3 ++- drivers/net/netdevsim/netdev.c | 6 ++++-- drivers/net/wireless/mediatek/mt76/mt76.h | 2 +- include/net/libeth/rx.h | 3 ++- include/net/page_pool/helpers.h | 5 +++++ net/core/skbuff.c | 3 ++- net/core/xdp.c | 3 ++- 12 files changed, 39 insertions(+), 20 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 1b55047c0237..98fce41d088c 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1009,7 +1009,8 @@ static void fec_enet_bd_init(struct net_device *dev) struct page *page = txq->tx_buf[i].buf_p; if (page) - page_pool_put_page(page->pp, page, 0, false); + page_pool_put_page(page_pool_to_pp(page), + page, 0, false); } txq->tx_buf[i].buf_p = NULL; @@ -1549,7 +1550,7 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id, int budget) xdp_return_frame_rx_napi(xdpf); } else { /* recycle pages of XDP_TX frames */ /* The dma_sync_size = 0 as XDP_TX has already synced DMA for_device */ - page_pool_put_page(page->pp, page, 0, true); + page_pool_put_page(page_pool_to_pp(page), page, 0, true); } txq->tx_buf[index].buf_p = NULL; @@ -3311,7 +3312,8 @@ static void fec_enet_free_buffers(struct net_device *ndev) } else { struct page *page = txq->tx_buf[i].buf_p; - page_pool_put_page(page->pp, page, 0, false); + page_pool_put_page(page_pool_to_pp(page), + page, 0, false); } txq->tx_buf[i].buf_p = NULL; diff --git a/drivers/net/ethernet/google/gve/gve_buffer_mgmt_dqo.c b/drivers/net/ethernet/google/gve/gve_buffer_mgmt_dqo.c index 05bf1f80a79c..dd5b45adf5cc 100644 --- a/drivers/net/ethernet/google/gve/gve_buffer_mgmt_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_buffer_mgmt_dqo.c @@ -210,8 +210,8 @@ void gve_free_to_page_pool(struct gve_rx_ring *rx, if (!page) return; - page_pool_put_page(page->pp, page, buf_state->page_info.buf_size, - allow_direct); + page_pool_put_page(page_pool_to_pp(page), page, + buf_state->page_info.buf_size, allow_direct); buf_state->page_info.page = NULL; } diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index 26b424fd6718..658d8f9a6abb 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -1050,7 +1050,8 @@ static void iavf_add_rx_frag(struct sk_buff *skb, const struct libeth_fqe *rx_buffer, unsigned int size) { - u32 hr = rx_buffer->page->pp->p.offset; + struct page_pool *pool = page_pool_to_pp(rx_buffer->page); + u32 hr = pool->p.offset; skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, rx_buffer->offset + hr, size, rx_buffer->truesize); @@ -1067,7 +1068,8 @@ static void iavf_add_rx_frag(struct sk_buff *skb, static struct sk_buff *iavf_build_skb(const struct libeth_fqe *rx_buffer, unsigned int size) { - u32 hr = rx_buffer->page->pp->p.offset; + struct page_pool *pool = page_pool_to_pp(rx_buffer->page); + u32 hr = pool->p.offset; struct sk_buff *skb; void *va; diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c index d4e6f0e10487..e3389f1a215f 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c +++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c @@ -385,7 +385,8 @@ static void idpf_rx_page_rel(struct libeth_fqe *rx_buf) if (unlikely(!rx_buf->page)) return; - page_pool_put_full_page(rx_buf->page->pp, rx_buf->page, false); + page_pool_put_full_page(page_pool_to_pp(rx_buf->page), rx_buf->page, + false); rx_buf->page = NULL; rx_buf->offset = 0; @@ -3097,7 +3098,8 @@ idpf_rx_process_skb_fields(struct idpf_rx_queue *rxq, struct sk_buff *skb, void idpf_rx_add_frag(struct idpf_rx_buf *rx_buf, struct sk_buff *skb, unsigned int size) { - u32 hr = rx_buf->page->pp->p.offset; + struct page_pool *pool = page_pool_to_pp(rx_buf->page); + u32 hr = pool->p.offset; skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buf->page, rx_buf->offset + hr, size, rx_buf->truesize); @@ -3129,8 +3131,10 @@ static u32 idpf_rx_hsplit_wa(const struct libeth_fqe *hdr, if (!libeth_rx_sync_for_cpu(buf, copy)) return 0; - dst = page_address(hdr->page) + hdr->offset + hdr->page->pp->p.offset; - src = page_address(buf->page) + buf->offset + buf->page->pp->p.offset; + dst = page_address(hdr->page) + hdr->offset + + page_pool_to_pp(hdr->page)->p.offset; + src = page_address(buf->page) + buf->offset + + page_pool_to_pp(buf->page)->p.offset; memcpy(dst, src, LARGEST_ALIGN(copy)); buf->offset += copy; @@ -3148,7 +3152,7 @@ static u32 idpf_rx_hsplit_wa(const struct libeth_fqe *hdr, */ struct sk_buff *idpf_rx_build_skb(const struct libeth_fqe *buf, u32 size) { - u32 hr = buf->page->pp->p.offset; + u32 hr = page_pool_to_pp(buf->page)->p.offset; struct sk_buff *skb; void *va; diff --git a/drivers/net/ethernet/intel/libeth/rx.c b/drivers/net/ethernet/intel/libeth/rx.c index f20926669318..385afca0e61d 100644 --- a/drivers/net/ethernet/intel/libeth/rx.c +++ b/drivers/net/ethernet/intel/libeth/rx.c @@ -207,7 +207,7 @@ EXPORT_SYMBOL_NS_GPL(libeth_rx_fq_destroy, LIBETH); */ void libeth_rx_recycle_slow(struct page *page) { - page_pool_recycle_direct(page->pp, page); + page_pool_recycle_direct(page_pool_to_pp(page), page); } EXPORT_SYMBOL_NS_GPL(libeth_rx_recycle_slow, LIBETH); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 4610621a340e..83511a45a6dc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -716,7 +716,8 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq, /* No need to check ((page->pp_magic & ~0x3UL) == PP_SIGNATURE) * as we know this is a page_pool page. */ - page_pool_recycle_direct(page->pp, page); + page_pool_recycle_direct(page_pool_to_pp(page), + page); } while (++n < num); break; diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c index cad85bb0cf54..7590ddd14dda 100644 --- a/drivers/net/netdevsim/netdev.c +++ b/drivers/net/netdevsim/netdev.c @@ -632,7 +632,8 @@ nsim_pp_hold_write(struct file *file, const char __user *data, if (!ns->page) ret = -ENOMEM; } else { - page_pool_put_full_page(ns->page->pp, ns->page, false); + page_pool_put_full_page(page_pool_to_pp(ns->page), ns->page, + false); ns->page = NULL; } rtnl_unlock(); @@ -827,7 +828,8 @@ void nsim_destroy(struct netdevsim *ns) /* Put this intentionally late to exercise the orphaning path */ if (ns->page) { - page_pool_put_full_page(ns->page->pp, ns->page, false); + page_pool_put_full_page(page_pool_to_pp(ns->page), ns->page, + false); ns->page = NULL; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 0b75a45ad2e8..94a277290909 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1688,7 +1688,7 @@ static inline void mt76_put_page_pool_buf(void *buf, bool allow_direct) { struct page *page = virt_to_head_page(buf); - page_pool_put_full_page(page->pp, page, allow_direct); + page_pool_put_full_page(page_pool_to_pp(page), page, allow_direct); } static inline void * diff --git a/include/net/libeth/rx.h b/include/net/libeth/rx.h index 43574bd6612f..beee7ddd77a5 100644 --- a/include/net/libeth/rx.h +++ b/include/net/libeth/rx.h @@ -137,7 +137,8 @@ static inline bool libeth_rx_sync_for_cpu(const struct libeth_fqe *fqe, return false; } - page_pool_dma_sync_for_cpu(page->pp, page, fqe->offset, len); + page_pool_dma_sync_for_cpu(page_pool_to_pp(page), page, fqe->offset, + len); return true; } diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h index 793e6fd78bc5..1659f1995985 100644 --- a/include/net/page_pool/helpers.h +++ b/include/net/page_pool/helpers.h @@ -83,6 +83,11 @@ static inline u64 *page_pool_ethtool_stats_get(u64 *data, const void *stats) } #endif +static inline struct page_pool *page_pool_to_pp(struct page *page) +{ + return page->pp; +} + /** * page_pool_dev_alloc_pages() - allocate a page. * @pool: pool from which to allocate diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 00afeb90c23a..649e02e2cbc8 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1033,7 +1033,8 @@ bool napi_pp_put_page(netmem_ref netmem) if (unlikely(!is_pp_netmem(netmem))) return false; - page_pool_put_full_netmem(netmem_get_pp(netmem), netmem, false); + page_pool_put_full_netmem(page_pool_to_pp(netmem_to_page(netmem)), + netmem, false); return true; } diff --git a/net/core/xdp.c b/net/core/xdp.c index bcc5551c6424..e8582036b411 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -384,7 +384,8 @@ void __xdp_return(void *data, struct xdp_mem_info *mem, bool napi_direct, /* No need to check ((page->pp_magic & ~0x3UL) == PP_SIGNATURE) * as mem->type knows this a page_pool page */ - page_pool_put_full_page(page->pp, page, napi_direct); + page_pool_put_full_page(page_pool_to_pp(page), page, + napi_direct); break; case MEM_TYPE_PAGE_SHARED: page_frag_free(data);