diff options
Diffstat (limited to 'flow_table.h')
| -rw-r--r-- | flow_table.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/flow_table.h b/flow_table.h index 2773a2b..eecf884 100644 --- a/flow_table.h +++ b/flow_table.h @@ -10,6 +10,19 @@ #include "tcp_conn.h" /** + * struct flow_free_cluster - Information about a cluster of free entries + * @f: Generic flow information + * @n: Number of entries in the free cluster (including this one) + * @next: Index of next free cluster + */ +struct flow_free_cluster { + /* Must be first element */ + struct flow_common f; + unsigned n; + unsigned next; +}; + +/** * union flow - Descriptor for a logical packet flow (e.g. connection) * @f: Fields common between all variants * @tcp: Fields for non-spliced TCP connections @@ -17,12 +30,13 @@ */ union flow { struct flow_common f; + struct flow_free_cluster free; struct tcp_tap_conn tcp; struct tcp_splice_conn tcp_splice; }; /* Global Flow Table */ -extern unsigned flow_count; +extern unsigned flow_first_free; extern union flow flowtab[]; |