int tipc_register_media(struct tipc_media *m_ptr)
{
int res = -EINVAL;
write_lock_bh(&tipc_net_lock);
if (!media_name_valid(m_ptr->name))
goto exit;
if ((m_ptr->bcast_addr.media_id != m_ptr->type_id) ||
!m_ptr->bcast_addr.broadcast)
goto exit;
if (m_ptr->priority > TIPC_MAX_LINK_PRI)
goto exit;
if ((m_ptr->tolerance < TIPC_MIN_LINK_TOL) ||
(m_ptr->tolerance > TIPC_MAX_LINK_TOL))
goto exit;
if (media_count >= MAX_MEDIA)
goto exit;
if (tipc_media_find(m_ptr->name) || media_find_id(m_ptr->type_id))
goto exit;
media_list[media_count] = m_ptr;
media_count++;
res = 0;
exit:
write_unlock_bh(&tipc_net_lock);
if (res)
warn("Media <%s> registration error\n", m_ptr->name);
return res;
}
void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a)
{
char addr_str[MAX_ADDR_STR];
struct tipc_media *m_ptr;
m_ptr = media_find_id(a->media_id);
if (m_ptr && !m_ptr->addr2str(a, addr_str, sizeof(addr_str)))
tipc_printf(pb, "%s(%s)", m_ptr->name, addr_str);
else {
u32 i;
tipc_printf(pb, "UNKNOWN(%u)", a->media_id);
for (i = 0; i < sizeof(a->value); i++)
tipc_printf(pb, "-%02x", a->value[i]);
}
}
/**
* tipc_media_addr_printf - record media address in print buffer
*/
void tipc_media_addr_printf(char *buf, int len, struct tipc_media_addr *a)
{
char addr_str[MAX_ADDR_STR];
struct tipc_media *m_ptr;
int ret;
m_ptr = media_find_id(a->media_id);
if (m_ptr && !m_ptr->addr2str(a, addr_str, sizeof(addr_str)))
ret = tipc_snprintf(buf, len, "%s(%s)", m_ptr->name, addr_str);
else {
u32 i;
ret = tipc_snprintf(buf, len, "UNKNOWN(%u)", a->media_id);
for (i = 0; i < sizeof(a->value); i++)
ret += tipc_snprintf(buf - ret, len + ret,
"-%02x", a->value[i]);
}
}
