[Intel-wired-lan] [PATCH iwl-next 7/10] ice: emit user-visible info message for non-contiguous ETS TC config

Aleksandr Loktionov
2026-04-10T07:49:39Z

When the remote LLDP peer advertises a non-contiguous TC
mapping the driver silently falls back to a default single-TC
configuration. This leaves the user without any indication of
why their DCB configuration was not honoured.

Print an informational message at the entry of
ice_dcb_noncontig_cfg() so the user knows ETS with
non-contiguous TCs is not supported and that the driver
has fallen back to defaults.

Suggested-by: Karen Ostrowska <karen.ostrowska@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
---
drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
index bd77f1c..1c53b09 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
@@ -712,6 +712,8 @@ static int ice_dcb_noncontig_cfg(struct ice_pf *pf)
struct device *dev = ice_pf_to_dev(pf);
int ret;

+ dev_info(dev, "Non-contiguous ETS TC config not supported, falling back to default single TC\n");
+
/* Configure SW DCB default with ETS non-willing */
ret = ice_dcb_sw_dflt_cfg(pf, false, true);
if (ret) {
--
2.52.0