unsigned int
peak_netmap_attach(const char *ifname)
{
struct my_ring *slot = NULL;
struct my_ring **me = NULL;
struct pollfd *fd = NULL;
unsigned int i;
NETMAP_LOCK();
/* lazy init */
if (!NETMAP_COUNT()) {
bzero(self, sizeof(*self));
prealloc_init(&self->pkt_pool, NETMAP_MAX,
sizeof(struct _peak_netmap));
prealloc_init(&self->me_pool, NETMAP_MAX,
sizeof(struct my_ring));
}
i = peak_netmap_find(ifname);
if (i < NETMAP_COUNT()) {
NETMAP_UNLOCK();
alert("netmap interface %s already attached\n");
return (1);
}
slot = NETMAP_GET();
if (!slot) {
NETMAP_UNLOCK();
alert("netmap interface capacity reached\n");
return (1);
}
bzero(slot, sizeof(*slot));
me = &self->me[NETMAP_COUNT() - 1];
fd = &self->fd[NETMAP_COUNT() - 1];
slot->ifname = strdup(ifname);
if (netmap_open(slot, 0, 1)) {
free(slot->ifname);
NETMAP_PUT(slot);
NETMAP_UNLOCK();
alert("could not open netmap device %s\n", ifname);
return (1);
}
*me = slot;
fd->fd = slot->fd;
NETMAP_UNLOCK();
return (0);
}
static void
init_commands(void)
{
attr_init();
bmap_init();
fadvise_init();
file_init();
freeze_init();
fsync_init();
getrusage_init();
help_init();
imap_init();
inject_init();
madvise_init();
mincore_init();
mmap_init();
open_init();
parent_init();
pread_init();
prealloc_init();
fiemap_init();
pwrite_init();
quit_init();
resblks_init();
sendfile_init();
shutdown_init();
truncate_init();
}
struct peak_tracks *
peak_track_init(const size_t max_flows)
{
struct peak_tracks *self = zalloc(sizeof(*self));
if (!self) {
return (NULL);
}
if (!prealloc_init(&self->mem, max_flows,
sizeof(struct peak_track))) {
free(self);
return (NULL);
}
TAILQ_INIT(&self->tos);
RB_INIT(&self->flows);
return (self);
}
