Lines Matching refs:w
44 struct fib6_walker w; member
63 static int fib6_walk(struct net *net, struct fib6_walker *w);
64 static int fib6_walk_continue(struct fib6_walker *w);
75 #define FOR_WALKERS(net, w) \ argument
76 list_for_each_entry(w, &(net)->ipv6.fib6_walkers, lh)
78 static void fib6_walker_link(struct net *net, struct fib6_walker *w) in fib6_walker_link() argument
81 list_add(&w->lh, &net->ipv6.fib6_walkers); in fib6_walker_link()
85 static void fib6_walker_unlink(struct net *net, struct fib6_walker *w) in fib6_walker_unlink() argument
88 list_del(&w->lh); in fib6_walker_unlink()
430 static int fib6_node_dump(struct fib6_walker *w) in fib6_node_dump() argument
434 for_each_fib6_walker_rt(w) in fib6_node_dump()
435 fib6_rt_dump(rt, w->args); in fib6_node_dump()
436 w->leaf = NULL; in fib6_node_dump()
441 struct fib6_walker *w) in fib6_table_dump() argument
443 w->root = &tb->tb6_root; in fib6_table_dump()
445 fib6_walk(net, w); in fib6_table_dump()
453 struct fib6_walker *w; in fib6_tables_dump() local
456 w = kzalloc(sizeof(*w), GFP_ATOMIC); in fib6_tables_dump()
457 if (!w) in fib6_tables_dump()
460 w->func = fib6_node_dump; in fib6_tables_dump()
463 w->args = &arg; in fib6_tables_dump()
470 fib6_table_dump(net, tb, w); in fib6_tables_dump()
473 kfree(w); in fib6_tables_dump()
478 static int fib6_dump_node(struct fib6_walker *w) in fib6_dump_node() argument
483 for_each_fib6_walker_rt(w) { in fib6_dump_node()
484 res = rt6_dump_route(rt, w->args); in fib6_dump_node()
487 w->leaf = rt; in fib6_dump_node()
501 w->leaf = NULL; in fib6_dump_node()
508 struct fib6_walker *w = (void *)cb->args[2]; in fib6_dump_end() local
510 if (w) { in fib6_dump_end()
513 fib6_walker_unlink(net, w); in fib6_dump_end()
516 kfree(w); in fib6_dump_end()
532 struct fib6_walker *w; in fib6_dump_table() local
535 w = (void *)cb->args[2]; in fib6_dump_table()
536 w->root = &table->tb6_root; in fib6_dump_table()
539 w->count = 0; in fib6_dump_table()
540 w->skip = 0; in fib6_dump_table()
543 res = fib6_walk(net, w); in fib6_dump_table()
547 cb->args[5] = w->root->fn_sernum; in fib6_dump_table()
550 if (cb->args[5] != w->root->fn_sernum) { in fib6_dump_table()
552 cb->args[5] = w->root->fn_sernum; in fib6_dump_table()
553 w->state = FWS_INIT; in fib6_dump_table()
554 w->node = w->root; in fib6_dump_table()
555 w->skip = w->count; in fib6_dump_table()
557 w->skip = 0; in fib6_dump_table()
560 res = fib6_walk_continue(w); in fib6_dump_table()
563 fib6_walker_unlink(net, w); in fib6_dump_table()
577 struct fib6_walker *w; in inet6_dump_fib() local
585 w = (void *)cb->args[2]; in inet6_dump_fib()
586 if (!w) { in inet6_dump_fib()
597 w = kzalloc(sizeof(*w), GFP_ATOMIC); in inet6_dump_fib()
598 if (!w) in inet6_dump_fib()
600 w->func = fib6_dump_node; in inet6_dump_fib()
601 cb->args[2] = (long)w; in inet6_dump_fib()
607 w->args = &arg; in inet6_dump_fib()
1607 struct fib6_walker *w; in fib6_repair_tree() local
1689 FOR_WALKERS(net, w) { in fib6_repair_tree()
1691 if (w->node == fn) { in fib6_repair_tree()
1692 RT6_TRACE("W %p adjusted by delnode 1, s=%d/%d\n", w, w->state, nstate); in fib6_repair_tree()
1693 w->node = pn; in fib6_repair_tree()
1694 w->state = nstate; in fib6_repair_tree()
1697 if (w->node == fn) { in fib6_repair_tree()
1698 w->node = child; in fib6_repair_tree()
1700 RT6_TRACE("W %p adjusted by delnode 2, s=%d\n", w, w->state); in fib6_repair_tree()
1701 w->state = w->state >= FWS_R ? FWS_U : FWS_INIT; in fib6_repair_tree()
1703 RT6_TRACE("W %p adjusted by delnode 2, s=%d\n", w, w->state); in fib6_repair_tree()
1704 w->state = w->state >= FWS_C ? FWS_U : FWS_INIT; in fib6_repair_tree()
1724 struct fib6_walker *w; in fib6_del_route() local
1758 FOR_WALKERS(net, w) { in fib6_del_route()
1759 if (w->state == FWS_C && w->leaf == rt) { in fib6_del_route()
1760 RT6_TRACE("walker %p adjusted by delroute\n", w); in fib6_del_route()
1761 w->leaf = rcu_dereference_protected(rt->fib6_next, in fib6_del_route()
1763 if (!w->leaf) in fib6_del_route()
1764 w->state = FWS_U; in fib6_del_route()
1846 static int fib6_walk_continue(struct fib6_walker *w) in fib6_walk_continue() argument
1851 WARN_ON_ONCE(!(w->root->fn_flags & RTN_TL_ROOT)); in fib6_walk_continue()
1854 fn = w->node; in fib6_walk_continue()
1858 switch (w->state) { in fib6_walk_continue()
1862 w->node = FIB6_SUBTREE(fn); in fib6_walk_continue()
1865 w->state = FWS_L; in fib6_walk_continue()
1871 w->node = left; in fib6_walk_continue()
1872 w->state = FWS_INIT; in fib6_walk_continue()
1875 w->state = FWS_R; in fib6_walk_continue()
1880 w->node = right; in fib6_walk_continue()
1881 w->state = FWS_INIT; in fib6_walk_continue()
1884 w->state = FWS_C; in fib6_walk_continue()
1885 w->leaf = rcu_dereference_protected(fn->leaf, 1); in fib6_walk_continue()
1888 if (w->leaf && fn->fn_flags & RTN_RTINFO) { in fib6_walk_continue()
1891 if (w->skip) { in fib6_walk_continue()
1892 w->skip--; in fib6_walk_continue()
1896 err = w->func(w); in fib6_walk_continue()
1900 w->count++; in fib6_walk_continue()
1904 w->state = FWS_U; in fib6_walk_continue()
1907 if (fn == w->root) in fib6_walk_continue()
1912 w->node = pn; in fib6_walk_continue()
1916 w->state = FWS_L; in fib6_walk_continue()
1921 w->state = FWS_R; in fib6_walk_continue()
1925 w->state = FWS_C; in fib6_walk_continue()
1926 w->leaf = rcu_dereference_protected(w->node->leaf, 1); in fib6_walk_continue()
1936 static int fib6_walk(struct net *net, struct fib6_walker *w) in fib6_walk() argument
1940 w->state = FWS_INIT; in fib6_walk()
1941 w->node = w->root; in fib6_walk()
1943 fib6_walker_link(net, w); in fib6_walk()
1944 res = fib6_walk_continue(w); in fib6_walk()
1946 fib6_walker_unlink(net, w); in fib6_walk()
1950 static int fib6_clean_node(struct fib6_walker *w) in fib6_clean_node() argument
1954 struct fib6_cleaner *c = container_of(w, struct fib6_cleaner, w); in fib6_clean_node()
1960 w->node->fn_sernum != c->sernum) in fib6_clean_node()
1961 w->node->fn_sernum = c->sernum; in fib6_clean_node()
1965 w->leaf = NULL; in fib6_clean_node()
1969 for_each_fib6_walker_rt(w) { in fib6_clean_node()
1972 w->leaf = rt; in fib6_clean_node()
1993 w->leaf = rt; in fib6_clean_node()
2012 c.w.root = root; in fib6_clean_tree()
2013 c.w.func = fib6_clean_node; in fib6_clean_tree()
2014 c.w.count = 0; in fib6_clean_tree()
2015 c.w.skip = 0; in fib6_clean_tree()
2021 fib6_walk(net, &c.w); in fib6_clean_tree()
2277 iter->w.leaf = NULL; in ipv6_route_seq_show()
2281 static int ipv6_route_yield(struct fib6_walker *w) in ipv6_route_yield() argument
2283 struct ipv6_route_iter *iter = w->args; in ipv6_route_yield()
2289 iter->w.leaf = rcu_dereference_protected( in ipv6_route_yield()
2290 iter->w.leaf->fib6_next, in ipv6_route_yield()
2293 if (!iter->skip && iter->w.leaf) in ipv6_route_yield()
2295 } while (iter->w.leaf); in ipv6_route_yield()
2303 memset(&iter->w, 0, sizeof(iter->w)); in ipv6_route_seq_setup_walk()
2304 iter->w.func = ipv6_route_yield; in ipv6_route_seq_setup_walk()
2305 iter->w.root = &iter->tbl->tb6_root; in ipv6_route_seq_setup_walk()
2306 iter->w.state = FWS_INIT; in ipv6_route_seq_setup_walk()
2307 iter->w.node = iter->w.root; in ipv6_route_seq_setup_walk()
2308 iter->w.args = iter; in ipv6_route_seq_setup_walk()
2309 iter->sernum = iter->w.root->fn_sernum; in ipv6_route_seq_setup_walk()
2310 INIT_LIST_HEAD(&iter->w.lh); in ipv6_route_seq_setup_walk()
2311 fib6_walker_link(net, &iter->w); in ipv6_route_seq_setup_walk()
2337 if (iter->sernum != iter->w.root->fn_sernum) { in ipv6_route_check_sernum()
2338 iter->sernum = iter->w.root->fn_sernum; in ipv6_route_check_sernum()
2339 iter->w.state = FWS_INIT; in ipv6_route_check_sernum()
2340 iter->w.node = iter->w.root; in ipv6_route_check_sernum()
2341 WARN_ON(iter->w.skip); in ipv6_route_check_sernum()
2342 iter->w.skip = iter->w.count; in ipv6_route_check_sernum()
2365 r = fib6_walk_continue(&iter->w); in ipv6_route_seq_next()
2370 return iter->w.leaf; in ipv6_route_seq_next()
2372 fib6_walker_unlink(net, &iter->w); in ipv6_route_seq_next()
2375 fib6_walker_unlink(net, &iter->w); in ipv6_route_seq_next()
2405 struct fib6_walker *w = &iter->w; in ipv6_route_iter_active() local
2406 return w->node && !(w->state == FWS_U && w->node == w->root); in ipv6_route_iter_active()
2416 fib6_walker_unlink(net, &iter->w); in ipv6_route_seq_stop()