[dpdk-dev] [PATCH 4/5] net/bnxt: fix to set flow error when filter create fails
Kalesh A P
kalesh-anakkur.purayil at broadcom.com
Thu Jul 9 11:38:31 CEST 2020
From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
If set_em_filter/set_ntuple_filter cmds fails for some reason,
driver is not filling the "rte_flow_error" string buffer.
Same is the case when flow create fails due to an already
existing mark id for the new flow id created.
This leads to a crash in testpmd while trying to print the
error message.
Fixes: 5c1171c97216 ("net/bnxt: refactor filter/flow")
Fixes: 9db66782bd06 ("net/bnxt: fix supporting zero mark ID with RSS action")
Cc: stable at dpdk.org
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde at broadcom.com>
---
drivers/net/bnxt/bnxt_flow.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c
index 19bc66a..499dcdf 100644
--- a/drivers/net/bnxt/bnxt_flow.c
+++ b/drivers/net/bnxt/bnxt_flow.c
@@ -1786,12 +1786,24 @@ bnxt_flow_create(struct rte_eth_dev *dev,
filter->enables |=
HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
+ if (ret != 0) {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to create EM filter");
+ goto free_filter;
+ }
}
if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
filter->enables |=
HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
+ if (ret != 0) {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to create ntuple filter");
+ goto free_filter;
+ }
}
vnic = find_matching_vnic(bp, filter);
@@ -1817,10 +1829,10 @@ bnxt_flow_create(struct rte_eth_dev *dev,
*/
flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
if (bp->mark_table[flow_id].valid) {
- PMD_DRV_LOG(ERR,
- "Entry for Mark id 0x%x occupied"
- " flow id 0x%x\n",
- filter->mark, filter->flow_id);
+ rte_flow_error_set(error, EEXIST,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL,
+ "Flow with mark id exists");
goto free_filter;
}
bp->mark_table[flow_id].valid = true;
--
2.10.1
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