ofl_err
flow_table_flow_mod(struct flow_table *table, struct ofl_msg_flow_mod *mod, bool *match_kept, bool *insts_kept) {
switch (mod->command) {
case (OFPFC_ADD): {
bool overlap = ((mod->flags & OFPFF_CHECK_OVERLAP) != 0);
return flow_table_add(table, mod, overlap, match_kept, insts_kept);
}
case (OFPFC_MODIFY): {
return flow_table_modify(table, mod, false, insts_kept);
}
case (OFPFC_MODIFY_STRICT): {
return flow_table_modify(table, mod, true, insts_kept);
}
case (OFPFC_DELETE): {
return flow_table_delete(table, mod, false);
}
case (OFPFC_DELETE_STRICT): {
return flow_table_delete(table, mod, true);
}
default: {
return ofl_error(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_COMMAND);
}
}
}
/* Cleanup routine */
void cleanup_module()
{
nf_unregister_hook(&nfho_post);
// delete flow_table (free copied stacks here)
flow_table_delete(flow_table);
kfree(flow_table);
// delete routing table (free stacks here)
routing_table_delete(routing_table);
kfree(routing_table);
// delete the /proc file
delete_routes_proc_entry();
delete_stats_proc_entry();
pr_debug("mod_vlan: Exiting\n");
}