diff options
Diffstat (limited to 'flow_table.h')
| -rw-r--r-- | flow_table.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/flow_table.h b/flow_table.h index 9a2ff24..fd2c57b 100644 --- a/flow_table.h +++ b/flow_table.h @@ -50,6 +50,42 @@ extern union flow flowtab[]; #define flow_foreach_sidei(sidei_) \ for ((sidei_) = INISIDE; (sidei_) < SIDES; (sidei_)++) + +/** + * flow_foreach_slot() - Step through each flow table entry + * @flow: Takes values of pointer to each flow table entry + * + * Includes FREE slots. + */ +#define flow_foreach_slot(flow) \ + for ((flow) = flowtab; FLOW_IDX(flow) < FLOW_MAX; (flow)++) + +/** + * flow_foreach() - Step through each active flow + * @flow: Takes values of pointer to each active flow + */ +#define flow_foreach(flow) \ + flow_foreach_slot((flow)) \ + if ((flow)->f.state == FLOW_STATE_FREE) \ + (flow) += (flow)->free.n - 1; \ + else if ((flow)->f.state != FLOW_STATE_ACTIVE) { \ + flow_err((flow), "Bad flow state during traversal"); \ + continue; \ + } else + +/** + * flow_foreach_of_type() - Step through each active flow of given type + * @flow: Takes values of pointer to each flow + * @type_: Type of flow to traverse + */ +#define flow_foreach_of_type(flow, type_) \ + flow_foreach((flow)) \ + if ((flow)->f.type != (type_)) \ + /* NOLINTNEXTLINE(bugprone-branch-clone) */ \ + continue; \ + else + + /** flow_idx() - Index of flow from common structure * @f: Common flow fields pointer * |