From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA7C6C4321E for ; Wed, 30 Nov 2022 22:08:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E6CDC6B0081; Wed, 30 Nov 2022 17:08:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DF6EE6B0085; Wed, 30 Nov 2022 17:08:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A75786B0081; Wed, 30 Nov 2022 17:08:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 6B1866B0082 for ; Wed, 30 Nov 2022 17:08:08 -0500 (EST) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 45D11141253 for ; Wed, 30 Nov 2022 22:08:08 +0000 (UTC) X-FDA: 80191497456.06.5FBF7B8 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf30.hostedemail.com (Postfix) with ESMTP id BF9EC8000F for ; Wed, 30 Nov 2022 22:08:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=bSDA7GTpvC67lmI4tEnGrrVMWxO8+GdRH/dCWhZ3QLk=; b=s8rFR8tRIlxpGApevMDLM2BUI1 eieqmdcvKJJXqjgzssWT6+5iPvvrTzBZtNZZhWNAExHGHFogKIpDnYvFR/liAZuHeIy7vI+IrAoom L55POngnYXSNRMZNDTB+o8/qIncSm+jGxlIDqwJzBRdvhBPPxGcMu59fqWHBy+gtFQplvL2C3ojG+ CszGH48qoamRQBnXaArY5BGU4e6h3I2uDNGJpTQ5YDI7FzAhY7HFerpOpHWM/TtzJWGTQ2zgvPJ87 6Fmf9SJWWdWu1nku5M10wvf5nb3He7TDDahtVPiJDO2aet8ZMe8rxc9TgyLPbDwkgcqs/oRGdvcfD Vk2DwTqg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p0VFP-00FLX4-6O; Wed, 30 Nov 2022 22:08:07 +0000 From: "Matthew Wilcox (Oracle)" To: Jesper Dangaard Brouer , Ilias Apalodimas Cc: "Matthew Wilcox (Oracle)" , netdev@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 24/24] mvneta: Convert to netmem Date: Wed, 30 Nov 2022 22:08:03 +0000 Message-Id: <20221130220803.3657490-25-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221130220803.3657490-1-willy@infradead.org> References: <20221130220803.3657490-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669846087; a=rsa-sha256; cv=none; b=CdDgZdbxoBzN+dkZ/18+bMQRPYKbcTfjYXF1fiylFr0+ph6Tf33c/zaqLNpDjnNf9s2LRC EwTxCDQ0wpIS8OETRpzYnIbihwyS/X7HtoU+9PtDruQB5LWK9l0iSJNduJh0EDbf+RgNwD ucMjkyfhJ4y6QDi6KAhYdN1nzvu87eM= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=s8rFR8tR; spf=none (imf30.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669846087; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=bSDA7GTpvC67lmI4tEnGrrVMWxO8+GdRH/dCWhZ3QLk=; b=k+H2QO7go44aJtzMzzlBBGRtIb76HUuwZpVoKsoX1M5gp72w5wihf29EHNdnMWrT5zWlV7 OoEOgcPuP6H0bajSXDvV9MjPY+cxgVQTWRRuWkRKS+fkLa86ZBeOTzq5peoG0LIbjqtKdW 6cANpVSnYWwWklbGCuoby33LpJo3aQI= X-Stat-Signature: g4j7r7gqtwuw1a7w9xpq8g788zogqjic Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=s8rFR8tR; spf=none (imf30.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: BF9EC8000F X-Rspam-User: X-HE-Tag: 1669846087-218765 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use the netmem APIs instead of the page APIs. Improves type-safety. Signed-off-by: Matthew Wilcox (Oracle) --- drivers/net/ethernet/marvell/mvneta.c | 48 +++++++++++++-------------- 1 file changed, 24 insertions(+), 24 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index c2cb98d24f5c..5b8cfd50b7e1 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1931,15 +1931,15 @@ static int mvneta_rx_refill(struct mvneta_port *pp, gfp_t gfp_mask) { dma_addr_t phys_addr; - struct page *page; + struct netmem *nmem; - page = page_pool_alloc_pages(rxq->page_pool, + nmem = page_pool_alloc_netmem(rxq->page_pool, gfp_mask | __GFP_NOWARN); - if (!page) + if (!nmem) return -ENOMEM; - phys_addr = page_pool_get_dma_addr(page) + pp->rx_offset_correction; - mvneta_rx_desc_fill(rx_desc, phys_addr, page, rxq); + phys_addr = netmem_get_dma_addr(nmem) + pp->rx_offset_correction; + mvneta_rx_desc_fill(rx_desc, phys_addr, nmem, rxq); return 0; } @@ -2006,7 +2006,7 @@ static void mvneta_rxq_drop_pkts(struct mvneta_port *pp, if (!data || !(rx_desc->buf_phys_addr)) continue; - page_pool_put_full_page(rxq->page_pool, data, false); + page_pool_put_full_netmem(rxq->page_pool, data, false); } if (xdp_rxq_info_is_reg(&rxq->xdp_rxq)) xdp_rxq_info_unreg(&rxq->xdp_rxq); @@ -2072,11 +2072,11 @@ mvneta_xdp_put_buff(struct mvneta_port *pp, struct mvneta_rx_queue *rxq, goto out; for (i = 0; i < sinfo->nr_frags; i++) - page_pool_put_full_page(rxq->page_pool, - skb_frag_page(&sinfo->frags[i]), true); + page_pool_put_full_netmem(rxq->page_pool, + skb_frag_netmem(&sinfo->frags[i]), true); out: - page_pool_put_page(rxq->page_pool, virt_to_head_page(xdp->data), + page_pool_put_netmem(rxq->page_pool, virt_to_netmem(xdp->data), sync_len, true); } @@ -2088,7 +2088,6 @@ mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq, struct device *dev = pp->dev->dev.parent; struct mvneta_tx_desc *tx_desc; int i, num_frames = 1; - struct page *page; if (unlikely(xdp_frame_has_frags(xdpf))) num_frames += sinfo->nr_frags; @@ -2123,9 +2122,10 @@ mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq, buf->type = MVNETA_TYPE_XDP_NDO; } else { - page = unlikely(frag) ? skb_frag_page(frag) - : virt_to_page(xdpf->data); - dma_addr = page_pool_get_dma_addr(page); + struct netmem *nmem = unlikely(frag) ? + skb_frag_netmem(frag) : + virt_to_netmem(xdpf->data); + dma_addr = netmem_get_dma_addr(nmem); if (unlikely(frag)) dma_addr += skb_frag_off(frag); else @@ -2308,9 +2308,9 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, struct mvneta_rx_desc *rx_desc, struct mvneta_rx_queue *rxq, struct xdp_buff *xdp, int *size, - struct page *page) + struct netmem *nmem) { - unsigned char *data = page_address(page); + unsigned char *data = netmem_to_virt(nmem); int data_len = -MVNETA_MH_SIZE, len; struct net_device *dev = pp->dev; enum dma_data_direction dma_dir; @@ -2343,7 +2343,7 @@ mvneta_swbm_add_rx_fragment(struct mvneta_port *pp, struct mvneta_rx_desc *rx_desc, struct mvneta_rx_queue *rxq, struct xdp_buff *xdp, int *size, - struct page *page) + struct netmem *nmem) { struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp); struct net_device *dev = pp->dev; @@ -2371,16 +2371,16 @@ mvneta_swbm_add_rx_fragment(struct mvneta_port *pp, skb_frag_off_set(frag, pp->rx_offset_correction); skb_frag_size_set(frag, data_len); - __skb_frag_set_page(frag, page); + __skb_frag_set_netmem(frag, nmem); if (!xdp_buff_has_frags(xdp)) { sinfo->xdp_frags_size = *size; xdp_buff_set_frags_flag(xdp); } - if (page_is_pfmemalloc(page)) + if (netmem_is_pfmemalloc(nmem)) xdp_buff_set_frag_pfmemalloc(xdp); } else { - page_pool_put_full_page(rxq->page_pool, page, true); + page_pool_put_full_netmem(rxq->page_pool, nmem, true); } *size -= len; } @@ -2440,10 +2440,10 @@ static int mvneta_rx_swbm(struct napi_struct *napi, struct mvneta_rx_desc *rx_desc = mvneta_rxq_next_desc_get(rxq); u32 rx_status, index; struct sk_buff *skb; - struct page *page; + struct netmem *nmem; index = rx_desc - rxq->descs; - page = (struct page *)rxq->buf_virt_addr[index]; + nmem = rxq->buf_virt_addr[index]; rx_status = rx_desc->status; rx_proc++; @@ -2461,17 +2461,17 @@ static int mvneta_rx_swbm(struct napi_struct *napi, desc_status = rx_status; mvneta_swbm_rx_frame(pp, rx_desc, rxq, &xdp_buf, - &size, page); + &size, nmem); } else { if (unlikely(!xdp_buf.data_hard_start)) { rx_desc->buf_phys_addr = 0; - page_pool_put_full_page(rxq->page_pool, page, + page_pool_put_full_netmem(rxq->page_pool, nmem, true); goto next; } mvneta_swbm_add_rx_fragment(pp, rx_desc, rxq, &xdp_buf, - &size, page); + &size, nmem); } /* Middle or Last descriptor */ if (!(rx_status & MVNETA_RXD_LAST_DESC)) -- 2.35.1