[PATCH net-next 5/6] net: export napi_by_id()
From: Jason Wang <jasowang@redhat.com>
Date: 2016-03-31 05:51:04
Also in:
lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This patch exports napi_by_id() which will be used by vhost_net socket busy polling. Signed-off-by: Jason Wang <jasowang@redhat.com> --- include/net/busy_poll.h | 1 + net/core/dev.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index e765e23..dc9c76d 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h@@ -74,6 +74,7 @@ static inline bool busy_loop_timeout(unsigned long end_time) bool sk_busy_loop(struct sock *sk, int nonblock); int sk_busy_loop_once(struct sock *sk, struct napi_struct *napi); +struct napi_struct *napi_by_id(unsigned int napi_id); /* used in the NIC receive handler to mark the skb */ static inline void skb_mark_napi_id(struct sk_buff *skb,
diff --git a/net/core/dev.c b/net/core/dev.c
index a2f0c46..b98d210 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -4888,7 +4888,7 @@ void napi_complete_done(struct napi_struct *n, int work_done) EXPORT_SYMBOL(napi_complete_done); /* must be called under rcu_read_lock(), as we dont take a reference */ -static struct napi_struct *napi_by_id(unsigned int napi_id) +struct napi_struct *napi_by_id(unsigned int napi_id) { unsigned int hash = napi_id % HASH_SIZE(napi_hash); struct napi_struct *napi;
@@ -4899,6 +4899,7 @@ static struct napi_struct *napi_by_id(unsigned int napi_id) return NULL; } +EXPORT_SYMBOL(napi_by_id); #if defined(CONFIG_NET_RX_BUSY_POLL) #define BUSY_POLL_BUDGET 8
--
2.5.0