From: Ole Troan Date: Fri, 10 Jun 2016 11:22:36 +0000 (+0200) Subject: Fix node siblings X-Git-Tag: v16.09-rc1~294 X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=964f93e59f72b93191ed938d823af337b7d2c17e;p=vpp.git Fix node siblings Siblings did not work at all. Fixed by generating sibling relationships earlier in vlib_node_main_init(). Also adding a node dynamically before nodes were initialised failed for sibling nodes. Change-Id: I2fb73eb33a6f5ee216f566074e18ed495e20634d Signed-off-by: Ole Troan --- diff --git a/vlib/vlib/main.c b/vlib/vlib/main.c index 24504e74080..f7a27cfd6bb 100644 --- a/vlib/vlib/main.c +++ b/vlib/vlib/main.c @@ -1570,12 +1570,6 @@ int vlib_main (vlib_main_t * vm, unformat_input_t * input) vm->random_seed = clib_cpu_time_now (); clib_random_buffer_init (&vm->random_buffer, vm->random_seed); - /* See unix/main.c; most likely already set up */ - if (vm->init_functions_called == 0) - vm->init_functions_called = hash_create (0, /* value bytes */ 0); - if ((error = vlib_call_all_init_functions (vm))) - goto done; - /* Initialize node graph. */ if ((error = vlib_node_main_init (vm))) { @@ -1586,6 +1580,12 @@ int vlib_main (vlib_main_t * vm, unformat_input_t * input) goto done; } + /* See unix/main.c; most likely already set up */ + if (vm->init_functions_called == 0) + vm->init_functions_called = hash_create (0, /* value bytes */ 0); + if ((error = vlib_call_all_init_functions (vm))) + goto done; + /* Create default buffer free list. */ vlib_buffer_get_or_create_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "default"); diff --git a/vlib/vlib/node.c b/vlib/vlib/node.c index 7378701ab4d..5d250d00a6f 100644 --- a/vlib/vlib/node.c +++ b/vlib/vlib/node.c @@ -163,17 +163,8 @@ vlib_node_add_next_with_slot (vlib_main_t * vm, node = vec_elt (nm->nodes, node_index); next = vec_elt (nm->nodes, next_node_index); - /* Fill in static next nodes if runtime has yet to be initialized. */ - if (slot == ~0 && ! (nm->flags & VLIB_NODE_MAIN_RUNTIME_STARTED)) - { - uword i; - for (i = 0; i < vec_len (node->next_node_names); i++) - { - char * a = node->next_node_names[i]; - if (a) - vlib_node_add_named_next_with_slot (vm, node->index, a, i); - } - } + /* Runtime has to be initialized. */ + ASSERT(nm->flags & VLIB_NODE_MAIN_RUNTIME_STARTED); if ((p = hash_get (node->next_slot_by_node, next_node_index))) { @@ -315,6 +306,8 @@ static void register_node (vlib_main_t * vm, /* Node index of next sibling will be filled in by vlib_node_main_init. */ n->sibling_of = r->sibling_of; + if (r->sibling_of && r->n_next_nodes > 0) + clib_error ("sibling node should not have any next nodes `%v'", n->name); if (r->type == VLIB_NODE_TYPE_INTERNAL) ASSERT (r->vector_size > 0); @@ -473,6 +466,40 @@ vlib_node_main_init (vlib_main_t * vm) nm->flags |= VLIB_NODE_MAIN_RUNTIME_STARTED; + /* Generate sibling relationships */ + { + vlib_node_t * n, * sib; + uword si; + + for (ni = 0; ni < vec_len (nm->nodes); ni++) + { + n = vec_elt (nm->nodes, ni); + + if (! n->sibling_of) + continue; + + sib = vlib_get_node_by_name (vm, (u8 *) n->sibling_of); + if (! sib) + clib_error ("sibling `%s' not found for node `%v'", n->sibling_of, n->name); + + clib_bitmap_foreach (si, sib->sibling_bitmap, ({ + vlib_node_t * m = vec_elt (nm->nodes, si); + + /* Connect all of sibling's siblings to us. */ + m->sibling_bitmap = clib_bitmap_ori (m->sibling_bitmap, n->index); + + /* Connect us to all of sibling's siblings. */ + n->sibling_bitmap = clib_bitmap_ori (n->sibling_bitmap, si); + })); + + /* Connect sibling to us. */ + sib->sibling_bitmap = clib_bitmap_ori (sib->sibling_bitmap, n->index); + + /* Connect us to sibling. */ + n->sibling_bitmap = clib_bitmap_ori (n->sibling_bitmap, sib->index); + } + } + /* Resolve next names into next indices. */ for (ni = 0; ni < vec_len (nm->nodes); ni++) { @@ -545,40 +572,6 @@ vlib_node_main_init (vlib_main_t * vm) } } - /* Generate node sibling relationships. */ - { - vlib_node_t * n, * sib; - uword si; - - for (ni = 0; ni < vec_len (nm->nodes); ni++) - { - n = vec_elt (nm->nodes, ni); - - if (! n->sibling_of) - continue; - - sib = vlib_get_node_by_name (vm, (u8 *) n->sibling_of); - if (! sib) - clib_error ("sibling `%s' not found for node `%v'", n->sibling_of, n->name); - - clib_bitmap_foreach (si, sib->sibling_bitmap, ({ - vlib_node_t * m = vec_elt (nm->nodes, si); - - /* Connect all of sibling's siblings to us. */ - m->sibling_bitmap = clib_bitmap_ori (m->sibling_bitmap, n->index); - - /* Connect us to all of sibling's siblings. */ - n->sibling_bitmap = clib_bitmap_ori (n->sibling_bitmap, si); - })); - - /* Connect sibling to us. */ - sib->sibling_bitmap = clib_bitmap_ori (sib->sibling_bitmap, n->index); - - /* Connect us to sibling. */ - n->sibling_bitmap = clib_bitmap_ori (n->sibling_bitmap, sib->index); - } - } - done: return error; } diff --git a/vnet/vnet/ip/ip4_forward.c b/vnet/vnet/ip/ip4_forward.c index 46b3a97b7c1..c08870919fc 100644 --- a/vnet/vnet/ip/ip4_forward.c +++ b/vnet/vnet/ip/ip4_forward.c @@ -2810,11 +2810,7 @@ VLIB_REGISTER_NODE (ip4_rewrite_local_node) = { .format_trace = format_ip4_rewrite_trace, - .n_next_nodes = 2, - .next_nodes = { - [IP4_REWRITE_NEXT_DROP] = "error-drop", - [IP4_REWRITE_NEXT_ARP] = "ip4-arp", - }, + .n_next_nodes = 0, }; VLIB_NODE_FUNCTION_MULTIARCH (ip4_rewrite_local_node, ip4_rewrite_local) diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c index 398d0926e83..cedc5cdde88 100644 --- a/vnet/vnet/ip/ip6_forward.c +++ b/vnet/vnet/ip/ip6_forward.c @@ -2492,10 +2492,7 @@ VLIB_REGISTER_NODE (ip6_rewrite_local_node) = { .format_trace = format_ip6_rewrite_trace, - .n_next_nodes = 1, - .next_nodes = { - [IP6_REWRITE_NEXT_DROP] = "error-drop", - }, + .n_next_nodes = 0, }; VLIB_NODE_FUNCTION_MULTIARCH (ip6_rewrite_local_node, ip6_rewrite_local) @@ -2711,13 +2708,13 @@ ip6_hop_by_hop (vlib_main_t * vm, VLIB_REGISTER_NODE (ip6_hop_by_hop_node) = { .function = ip6_hop_by_hop, .name = "ip6-hop-by-hop", + .sibling_of = "ip6-lookup", .vector_size = sizeof (u32), .format_trace = format_ip6_hop_by_hop_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(ip6_hop_by_hop_error_strings), .error_strings = ip6_hop_by_hop_error_strings, - .n_next_nodes = IP_LOOKUP_N_NEXT, - .next_nodes = IP6_LOOKUP_NEXT_NODES, + .n_next_nodes = 0, }; VLIB_NODE_FUNCTION_MULTIARCH (ip6_hop_by_hop_node, ip6_hop_by_hop) diff --git a/vnet/vnet/sr/sr.c b/vnet/vnet/sr/sr.c index e7992ad92ae..845bf95c423 100644 --- a/vnet/vnet/sr/sr.c +++ b/vnet/vnet/sr/sr.c @@ -1953,8 +1953,6 @@ static clib_error_t * sr_init (vlib_main_t * vm) ip6_sr_main_t * sm = &sr_main; clib_error_t * error = 0; vlib_node_t * ip6_lookup_node, * ip6_rewrite_node; - vlib_node_t * ip6_rewrite_local_node; - u32 verify_next_index; if ((error = vlib_call_init_function (vm, ip_main_init))) return error; @@ -1989,10 +1987,6 @@ static clib_error_t * sr_init (vlib_main_t * vm) ip6_rewrite_node = vlib_get_node_by_name (vm, (u8 *)"ip6-rewrite"); ASSERT(ip6_rewrite_node); - - ip6_rewrite_local_node = vlib_get_node_by_name (vm, - (u8 *)"ip6-rewrite-local"); - ASSERT(ip6_rewrite_local_node); /* Add a disposition to ip6_lookup for the sr rewrite node */ sm->ip6_lookup_sr_next_index = @@ -2008,15 +2002,6 @@ static clib_error_t * sr_init (vlib_main_t * vm) sm->ip6_rewrite_sr_next_index = vlib_node_add_next (vm, ip6_rewrite_node->index, sr_fix_dst_addr_node.index); - /* - * Fix ip6-rewrite-local, sibling of the above. The sibling bitmap - * isn't set up at this point, so we have to do it manually - */ - verify_next_index = vlib_node_add_next - (vm, ip6_rewrite_local_node->index, - sr_fix_dst_addr_node.index); - - ASSERT(sm->ip6_rewrite_sr_next_index == verify_next_index); OpenSSL_add_all_digests();