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[net-next,v2,1/5] page_pool: Provide an empty page_pool_stats for disabled stats.

Message ID 20250307115722.705311-2-bigeasy@linutronix.de (mailing list archive)
State New
Headers show
Series page_pool: Convert stats to u64_stats_t. | expand

Commit Message

Sebastian Andrzej Siewior March 7, 2025, 11:57 a.m. UTC
An empty struct page_pool_stats allows to always add it to structs and
pass it to functions like page_pool_ethtool_stats_get() without the need
for an ifdef.

Provide an empty struct page_pool_stats and page_pool_get_stats() for
!CONFIG_PAGE_POOL_STATS builds.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 include/net/page_pool/helpers.h | 6 ++++++
 include/net/page_pool/types.h   | 4 ++++
 2 files changed, 10 insertions(+)
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Patch

diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h
index 582a3d00cbe23..4622db90f88f2 100644
--- a/include/net/page_pool/helpers.h
+++ b/include/net/page_pool/helpers.h
@@ -81,6 +81,12 @@  static inline u64 *page_pool_ethtool_stats_get(u64 *data, const void *stats)
 {
 	return data;
 }
+
+static inline bool page_pool_get_stats(const struct page_pool *pool,
+				       struct page_pool_stats *stats)
+{
+	return false;
+}
 #endif
 
 /**
diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h
index 7f405672b089d..6d55e6cf5d0db 100644
--- a/include/net/page_pool/types.h
+++ b/include/net/page_pool/types.h
@@ -140,6 +140,10 @@  struct page_pool_stats {
 	struct page_pool_alloc_stats alloc_stats;
 	struct page_pool_recycle_stats recycle_stats;
 };
+
+#else /* !CONFIG_PAGE_POOL_STATS */
+
+struct page_pool_stats { };
 #endif
 
 /* The whole frag API block must stay within one cacheline. On 32-bit systems,