linux-kernel - [PATCH net-next] eth: fbnic: access @pp through netmem

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Message-Id: <20251120011118.73253-1-byungchul@sk.com>
Date: Thu, 20 Nov 2025 10:11:18 +0900
From: Byungchul Park <byungchul@...com>
To: kuba@...nel.org,
	netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	kernel_team@...ynix.com,
	harry.yoo@...cle.com,
	hawk@...nel.org,
	andrew+netdev@...n.ch,
	david@...hat.com,
	lorenzo.stoakes@...cle.com,
	Liam.Howlett@...cle.com,
	vbabka@...e.cz,
	ziy@...dia.com,
	willy@...radead.org,
	toke@...hat.com,
	asml.silence@...il.com,
	alexanderduyck@...com,
	kernel-team@...a.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	pabeni@...hat.com,
	mohsin.bashr@...il.com,
	almasrymina@...gle.com
Subject: [PATCH net-next] eth: fbnic: access @pp through netmem_desc instead of page

To eliminate the use of struct page in page pool, the page pool users
should use netmem descriptor and APIs instead.

Make fbnic access @pp through netmem_desc instead of page.

Signed-off-by: Byungchul Park <byungchul@...com>
---
Changes from rfc:
	1. Use pp_page_to_nmdesc(page)->pp instead a wrong approach,
	   ring->page_pool. (feedbacked by Jakub)
---
 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
index c2d7b67fec28..56744e3a14ec 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
@@ -653,7 +653,8 @@ static void fbnic_clean_twq1(struct fbnic_napi_vector *nv, bool pp_allow_direct,
 				 FBNIC_TWD_TYPE_AL;
 		total_bytes += FIELD_GET(FBNIC_TWD_LEN_MASK, twd);
 
-		page_pool_put_page(page->pp, page, -1, pp_allow_direct);
+		page_pool_put_page(pp_page_to_nmdesc(page)->pp, page, -1,
+				   pp_allow_direct);
 next_desc:
 		head++;
 		head &= ring->size_mask;
-- 
2.17.1