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-rw-r--r--Documentation/networking/bonding.rst11
-rw-r--r--drivers/net/bonding/bond_main.c5
2 files changed, 15 insertions, 1 deletions
diff --git a/Documentation/networking/bonding.rst b/Documentation/networking/bonding.rst
index e774b48de9f5..7c8d22d68682 100644
--- a/Documentation/networking/bonding.rst
+++ b/Documentation/networking/bonding.rst
@@ -2916,6 +2916,17 @@ from the bond (``ifenslave -d bond0 eth0``). The bonding driver will
then restore the MAC addresses that the slaves had before they were
enslaved.
+9. What bonding modes support native XDP?
+------------------------------------------
+
+ * balance-rr (0)
+ * active-backup (1)
+ * balance-xor (2)
+ * 802.3ad (4)
+
+Note that the vlan+srcmac hash policy does not support native XDP.
+For other bonding modes, the XDP program must be loaded with generic mode.
+
16. Resources and Links
=======================
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 3928287f5865..5812e8eaccf1 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;