This patch exports napi_by_id() which will be used by vhost_net socket
busy polling.
Signed-off-by: Jason Wang <jasow...@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
