[PATCH v2 1/2] net: export netdev_get_by_index_lock()
From: David Wei <hidden>
Date: 2025-10-29 23:16:58
Also in:
io-uring
Subsystem:
networking drivers, networking [general], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Need to call netdev_get_by_index_lock() from io_uring/zcrx.c, but it is currently private to net. Export the function in linux/netdevice.h. Signed-off-by: David Wei <redacted> --- include/linux/netdevice.h | 1 + net/core/dev.c | 1 + net/core/dev.h | 1 - 3 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d1a687444b27..77c46a2823ec 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h@@ -3401,6 +3401,7 @@ struct net_device *dev_get_by_index(struct net *net, int ifindex); struct net_device *__dev_get_by_index(struct net *net, int ifindex); struct net_device *netdev_get_by_index(struct net *net, int ifindex, netdevice_tracker *tracker, gfp_t gfp); +struct net_device *netdev_get_by_index_lock(struct net *net, int ifindex); struct net_device *netdev_get_by_name(struct net *net, const char *name, netdevice_tracker *tracker, gfp_t gfp); struct net_device *netdev_get_by_flags_rcu(struct net *net, netdevice_tracker *tracker,
diff --git a/net/core/dev.c b/net/core/dev.c
index 2acfa44927da..7e4ef9a915f9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -1089,6 +1089,7 @@ struct net_device *netdev_get_by_index_lock(struct net *net, int ifindex) return __netdev_put_lock(dev, net); } +EXPORT_SYMBOL(netdev_get_by_index_lock); struct net_device * netdev_get_by_index_lock_ops_compat(struct net *net, int ifindex)
diff --git a/net/core/dev.h b/net/core/dev.h
index 900880e8b5b4..df8a90fe89f8 100644
--- a/net/core/dev.h
+++ b/net/core/dev.h@@ -29,7 +29,6 @@ struct napi_struct * netdev_napi_by_id_lock(struct net *net, unsigned int napi_id); struct net_device *dev_get_by_napi_id(unsigned int napi_id); -struct net_device *netdev_get_by_index_lock(struct net *net, int ifindex); struct net_device *__netdev_put_lock(struct net_device *dev, struct net *net); struct net_device * netdev_xa_find_lock(struct net *net, struct net_device *dev,
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2.47.3