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Message-ID: <20250801133017.2107083-1-dhill@redhat.com>
Date: Fri, 1 Aug 2025 09:30:17 -0400
From: David Hill <dhill@...hat.com>
To: netdev@...r.kernel.org
Cc: anthony.l.nguyen@...el.com,
przemyslaw.kitszel@...el.com,
andrew+netdev@...n.ch,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
David Hill <dhill@...hat.com>
Subject: [PATCH] PATCH: i40e Improve trusted VF MAC addresses logging when limit is reached
When a VF reaches the limit introduced in this commit [1], the host reports
an error in the syslog but doesn't mention which VF reached its limit and
what the limit is actually is which makes troubleshooting of networking
issue a bit tedious. This commit simply improves this error reporting
by adding which VF number has reached a limit and what that limit is.
Signed-off-by: David Hill <dhill@...hat.com>
[1] commit cfb1d572c986a39fd288f48a6305d81e6f8d04a3
Author: Karen Sornek <karen.sornek@...el.com>
Date: Thu Jun 17 09:19:26 2021 +0200
---
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 9b8efdeafbcf..dc0e7a80d83a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -2953,7 +2953,8 @@ static inline int i40e_check_vf_permission(struct i40e_vf *vf,
I40E_VC_MAX_MACVLAN_PER_TRUSTED_VF(pf->num_alloc_vfs,
hw->num_ports)) {
dev_err(&pf->pdev->dev,
- "Cannot add more MAC addresses, trusted VF exhausted it's resources\n");
+ "Cannot add more MAC addresses, trusted VF %d uses %d out of %d MAC addresses\n", vf->vf_id, i40e_count_filters(vsi) +
+ mac2add_cnt, I40E_VC_MAX_MACVLAN_PER_TRUSTED_VF(pf->num_alloc_vfs,num_ports)));
return -EPERM;
}
}
--
2.50.1
--
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