netdev - [PATCH bpf-next 2/3] net: add napi_threaded

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Message-Id: <20241130-cpumap-gro-v1-2-c1180b1b5758@kernel.org>
Date: Sat, 30 Nov 2024 00:10:59 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Simon Horman <horms@...nel.org>, Alexei Starovoitov <ast@...nel.org>, 
 Daniel Borkmann <daniel@...earbox.net>, 
 Jesper Dangaard Brouer <hawk@...nel.org>, 
 John Fastabend <john.fastabend@...il.com>, 
 Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
 Yonghong Song <yonghong.song@...ux.dev>, KP Singh <kpsingh@...nel.org>, 
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
 Jiri Olsa <jolsa@...nel.org>
Cc: Daniel Xu <dxu@...uu.xyz>, aleksander.lobakin@...el.com, 
 netdev@...r.kernel.org, bpf@...r.kernel.org, 
 Lorenzo Bianconi <lorenzo@...nel.org>
Subject: [PATCH bpf-next 2/3] net: add napi_threaded_poll to netdevice.h

Move napi_threaded_poll routine declaration in netdevice.h and remove
static keyword in order to reuse it in cpumap codebase.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 include/linux/netdevice.h | 1 +
 net/core/dev.c            | 4 +---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9f083314fc4bc97059b02c6ee6d919bedb4e046d..a73315c0f2849aee141f11e4c970b233590a0dfa 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2677,6 +2677,7 @@ static inline void netif_napi_set_irq(struct napi_struct *napi, int irq)
  */
 #define NAPI_POLL_WEIGHT 64

+int napi_threaded_poll(void *data);
 int napi_init_for_gro(struct net_device *dev, struct napi_struct *napi,
 		      int (*poll)(struct napi_struct *, int), int weight);
 void netif_napi_add_weight(struct net_device *dev, struct napi_struct *napi,
diff --git a/net/core/dev.c b/net/core/dev.c
index 20d531a54214e9ecf1128a668cf3763433e1989b..cf09a0c6abe50ebb95b22fe06705be95f46a7c6d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1419,8 +1419,6 @@ void netdev_notify_peers(struct net_device *dev)
 }
 EXPORT_SYMBOL(netdev_notify_peers);

-static int napi_threaded_poll(void *data);
-
 static int napi_kthread_create(struct napi_struct *n)
 {
 	int err = 0;
@@ -7027,7 +7025,7 @@ static void napi_threaded_poll_loop(struct napi_struct *napi)
 	}
 }

-static int napi_threaded_poll(void *data)
+int napi_threaded_poll(void *data)
 {
 	struct napi_struct *napi = data;

-- 
2.47.0