diff options
Diffstat (limited to 'ldpd/lde.c')
| -rw-r--r-- | ldpd/lde.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/ldpd/lde.c b/ldpd/lde.c index 0ddf4f07d9..ac680b47a9 100644 --- a/ldpd/lde.c +++ b/ldpd/lde.c @@ -1654,6 +1654,19 @@ lde_del_label_chunk(void *val) } static int +lde_release_label_chunk(uint32_t start, uint32_t end) +{ + int ret; + + ret = lm_release_label_chunk(zclient_sync, start, end); + if (ret < 0) { + log_warnx("Error releasing label chunk!"); + return (-1); + } + return (0); +} + +static int lde_get_label_chunk(void) { int ret; @@ -1709,6 +1722,32 @@ on_get_label_chunk_response(uint32_t start, uint32_t end) current_label_chunk = listtail(label_chunk_list); } +void +lde_free_label(uint32_t label) +{ + struct listnode *node; + struct label_chunk *label_chunk; + uint64_t pos; + + for (ALL_LIST_ELEMENTS_RO(label_chunk_list, node, label_chunk)) { + if (label <= label_chunk->end && label >= label_chunk->start) { + pos = 1ULL << (label - label_chunk->start); + label_chunk->used_mask &= ~pos; + /* if nobody is using this chunk and it's not current_label_chunk, then free it */ + if (!label_chunk->used_mask && (current_label_chunk != node)) { + if (lde_release_label_chunk(label_chunk->start, label_chunk->end) != 0) + log_warnx("%s: Error releasing label chunk!", __func__); + else { + listnode_delete(label_chunk_list, label_chunk); + lde_del_label_chunk(label_chunk); + } + } + break; + } + } + return; +} + static uint32_t lde_get_next_label(void) { |