Hi, > -----Original Message----- > From: Dariusz Sosnowski <[email protected]> > Sent: Saturday, November 15, 2025 3:27 AM > To: Slava Ovsiienko <[email protected]>; Bing Zhao > <[email protected]>; Ori Kam <[email protected]>; Suanming Mou > <[email protected]>; Matan Azrad <[email protected]> > Cc: [email protected]; Gregory Etelson <[email protected]> > Subject: [PATCH] net/mlx5: improve error on completing table resize > > If flow template table was created with resizable attribute, then > completing table resize could fail for 2 user-related reasons: > > - not all flow rules were yet updated to use the resized table, > - resize was not started. > > Both of these were reported with the same error message i.e., "cannot > complete table resize". > > Since PMD can distinguish these 2 cases, this patch improves the error > reporting to report these 2 errors separately. > > Also, this patch removes redundant __rte_unused on device parameter. > > Signed-off-by: Dariusz Sosnowski <[email protected]> > Acked-by: Gregory Etelson <[email protected]> > --- > drivers/net/mlx5/mlx5_flow_hw.c | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/mlx5/mlx5_flow_hw.c > b/drivers/net/mlx5/mlx5_flow_hw.c index 208f50fbfd..8f3c84dec5 100644 > --- a/drivers/net/mlx5/mlx5_flow_hw.c > +++ b/drivers/net/mlx5/mlx5_flow_hw.c > @@ -15384,7 +15384,7 @@ flow_hw_table_resize(struct rte_eth_dev *dev, } > > static int > -flow_hw_table_resize_complete(__rte_unused struct rte_eth_dev *dev, > +flow_hw_table_resize_complete(struct rte_eth_dev *dev, > struct rte_flow_template_table *table, > struct rte_flow_error *error) > { > @@ -15398,12 +15398,16 @@ flow_hw_table_resize_complete(__rte_unused > struct rte_eth_dev *dev, > return rte_flow_error_set(error, EINVAL, > RTE_FLOW_ERROR_TYPE_UNSPECIFIED, > table, "no resizable attribute"); > + if (matcher_info->matcher == NULL) > + return rte_flow_error_set(error, EINVAL, > + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, > + table, "table resize was not > started"); > matcher_refcnt = rte_atomic_load_explicit(&matcher_info->refcnt, > rte_memory_order_relaxed); > - if (!matcher_info->matcher || matcher_refcnt) > + if (matcher_refcnt > 0) > return rte_flow_error_set(error, EBUSY, > RTE_FLOW_ERROR_TYPE_UNSPECIFIED, > - table, "cannot complete table > resize"); > + table, "all rules not yet updated"); > if (matcher_info->jump) > mlx5dr_action_destroy(matcher_info->jump); > ret = mlx5dr_matcher_destroy(matcher_info->matcher); > -- > 2.39.5
Acked-by: Bing Zhao <[email protected]>

