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Merge branch 'bonding-returns-detailed-error-about-xdp-failures'

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Hangbin Liu says:

====================
Bonding: returns detailed error about XDP failures

Based on discussion[1], this patch set returns detailed error about XDP
failures. And update bonding document about XDP supports.

https://lore.kernel.org/8088f2a7-3ab1-4a1e-996d-c15703da13cc@blackwall.org
====================

Link: https://patch.msgid.link/20241021031211.814-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2024-10-28 16:09:43 -07:00
commit c7cf3e928e
2 changed files with 15 additions and 1 deletions
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11
Documentation/networking/bonding.rst
View File

@ -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
=======================

5
drivers/net/bonding/bond_main.c
View File

@ -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;