diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/flow_offload.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 4001ffb04f0d..95d633785ef9 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -168,10 +168,11 @@ enum flow_action_hw_stats_bit { FLOW_ACTION_HW_STATS_IMMEDIATE_BIT, FLOW_ACTION_HW_STATS_DELAYED_BIT, FLOW_ACTION_HW_STATS_DISABLED_BIT, + + FLOW_ACTION_HW_STATS_NUM_BITS }; enum flow_action_hw_stats { - FLOW_ACTION_HW_STATS_DONT_CARE = 0, FLOW_ACTION_HW_STATS_IMMEDIATE = BIT(FLOW_ACTION_HW_STATS_IMMEDIATE_BIT), FLOW_ACTION_HW_STATS_DELAYED = BIT(FLOW_ACTION_HW_STATS_DELAYED_BIT), @@ -179,6 +180,7 @@ enum flow_action_hw_stats { FLOW_ACTION_HW_STATS_DELAYED, FLOW_ACTION_HW_STATS_DISABLED = BIT(FLOW_ACTION_HW_STATS_DISABLED_BIT), + FLOW_ACTION_HW_STATS_DONT_CARE = BIT(FLOW_ACTION_HW_STATS_NUM_BITS) - 1, }; typedef void (*action_destr)(void *priv); @@ -340,11 +342,12 @@ __flow_action_hw_stats_check(const struct flow_action *action, return false; action_entry = flow_action_first_entry_get(action); - if (action_entry->hw_stats == FLOW_ACTION_HW_STATS_DONT_CARE) - return true; + + /* Zero is not a legal value for hw_stats, catch anyone passing it */ + WARN_ON_ONCE(!action_entry->hw_stats); if (!check_allow_bit && - action_entry->hw_stats != FLOW_ACTION_HW_STATS_ANY) { + ~action_entry->hw_stats & FLOW_ACTION_HW_STATS_ANY) { NL_SET_ERR_MSG_MOD(extack, "Driver supports only default HW stats type \"any\""); return false; } else if (check_allow_bit && |