[PATCHv2 net-next 1/3] bonding: return detailed error when loading native XDP fails

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Bonding only supports native XDP for specific modes, which can lead to
confusion for users regarding why XDP loads successfully at times and
fails at others. This patch enhances error handling by returning detailed
error messages, providing users with clearer insights into the specific
reasons for the failure when loading native XDP.

Reviewed-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
Signed-off-by: Hangbin Liu <liuhangbin@xxxxxxxxx>
---
 drivers/net/bonding/bond_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b1bffd8e9a95..f0f76b6ac8be 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5676,8 +5676,11 @@ static int bond_xdp_set(struct net_device *dev, struct bpf_prog *prog,
 
 	ASSERT_RTNL();
 
-	if (!bond_xdp_check(bond))
+	if (!bond_xdp_check(bond)) {
+		BOND_NL_ERR(dev, extack,
+			    "No native XDP support for the current bonding mode");
 		return -EOPNOTSUPP;
+	}
 
 	old_prog = bond->xdp_prog;
 	bond->xdp_prog = prog;
-- 
2.46.0





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