RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

gnrc/netreg: optimize lookup and getnext

Browse Source
This commit is contained in:
smlng 2018-02-06 21:37:39 +01:00
parent ff94655627
commit 573b6dc98a
1 changed files with 25 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
sys/net/gnrc/netreg/gnrc_netreg.c
View File

@ -65,19 +65,37 @@ void gnrc_netreg_unregister(gnrc_nettype_t type, gnrc_netreg_entry_t *entry)
LL_DELETE(netreg[type], entry);
}
gnrc_netreg_entry_t *gnrc_netreg_lookup(gnrc_nettype_t type, uint32_t demux_ctx)
/**
* @brief Searches the next entry in the registry that matches given
* parameters, start lookup from beginning or given entry.
*
* @param[in] from A registry entry to lookup from or NULL to start fresh
* @param[in] type Type of the protocol.
* @param[in] demux_ctx The demultiplexing context for the registered thread.
* See gnrc_netreg_entry_t::demux_ctx.
*
* @return The first entry fitting the given parameters on success
* @return NULL if no entry can be found.
*/
static gnrc_netreg_entry_t *_netreg_lookup(gnrc_netreg_entry_t *from,
gnrc_nettype_t type,
uint32_t demux_ctx)
{
gnrc_netreg_entry_t *res;
gnrc_netreg_entry_t *res = NULL;
if (_INVALID_TYPE(type)) {
return NULL;
if (from || !_INVALID_TYPE(type)) {
gnrc_netreg_entry_t *head = (from) ? from->next : netreg[type];
LL_SEARCH_SCALAR(head, res, demux_ctx, demux_ctx);
}
LL_SEARCH_SCALAR(netreg[type], res, demux_ctx, demux_ctx);
return res;
}
gnrc_netreg_entry_t *gnrc_netreg_lookup(gnrc_nettype_t type, uint32_t demux_ctx)
{
return _netreg_lookup(NULL, type, demux_ctx);
}
int gnrc_netreg_num(gnrc_nettype_t type, uint32_t demux_ctx)
{
int num = 0;
@ -102,17 +120,7 @@ int gnrc_netreg_num(gnrc_nettype_t type, uint32_t demux_ctx)
gnrc_netreg_entry_t *gnrc_netreg_getnext(gnrc_netreg_entry_t *entry)
{
uint32_t demux_ctx;
if (entry == NULL) {
return NULL;
}
demux_ctx = entry->demux_ctx;
LL_SEARCH_SCALAR(entry->next, entry, demux_ctx, demux_ctx);
return entry;
return (entry ? _netreg_lookup(entry, 0, entry->demux_ctx) : NULL);
}
int gnrc_netreg_calc_csum(gnrc_pktsnip_t *hdr, gnrc_pktsnip_t *pseudo_hdr)