linux-kernel - [PATCH v5 1/3] net: page_pool: export page_pool

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Date:   Tue, 15 Nov 2022 14:49:49 -0600
From:   Shenwei Wang <shenwei.wang@....com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        imx@...ts.linux.dev, Shenwei Wang <shenwei.wang@....com>
Subject: [PATCH v5 1/3] net: page_pool: export page_pool_stats definition

The definition of the 'struct page_pool_stats' is required even when
the CONFIG_PAGE_POOL_STATS is not defined. Add an empty page_pool_stats
stub, Otherwise it would require the drivers to handle the case of
CONFIG_PAGE_POOL_STATS undefined.

Signed-off-by: Shenwei Wang <shenwei.wang@....com>
---
 include/net/page_pool.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 813c93499f20..516d943bc1eb 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -129,6 +129,8 @@ u64 *page_pool_ethtool_stats_get(u64 *data, void *stats);
 bool page_pool_get_stats(struct page_pool *pool,
 			 struct page_pool_stats *stats);
 #else
+struct page_pool_stats {
+};
 
 static inline int page_pool_ethtool_stats_get_count(void)
 {
-- 
2.34.1