static void __exit
igs_module_exit(void)
{
sock_release(igs.nl_sk->sk_socket);
igs_instances_clear();
OSL_LOCK_DESTROY(igs.lock);
return;
}
/*
* Description: This function is called during module load time. It
* opens communication channel to configure and start EMF.
*/
static int32 __init
emf_module_init(void)
{
EMF_DEBUG("Loading EMF\n");
/* Allocate EMF global data object */
emf = MALLOC(NULL, sizeof(emf_struct_t));
if (emf == NULL)
{
EMF_ERROR("Out of memory allocating emf_info\n");
return (FAILURE);
}
memset(emf, 0, sizeof(emf_struct_t));
/* Create a Netlink socket in kernel-space */
#define NETLINK_EMFC 17
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
emf->nl_sk = netlink_kernel_create(NETLINK_EMFC, 0, emf_netlink_sock_cb,
NULL, THIS_MODULE);
#else
emf->nl_sk = netlink_kernel_create(NETLINK_EMFC, emf_netlink_sock_cb);
#endif
if (emf->nl_sk == NULL)
{
EMF_ERROR("Netlink kernel socket create failed\n");
MFREE(NULL, emf, sizeof(emf_struct_t));
return (FAILURE);
}
emf->lock = OSL_LOCK_CREATE("EMF Instance List");
if (emf->lock == NULL)
{
EMF_ERROR("EMF instance list lock create failed\n");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
sock_release(emf->nl_sk->sk_socket);
#else
sock_release(emf->nl_sk->socket);
#endif
MFREE(NULL, emf, sizeof(emf_struct_t));
return (FAILURE);
}
/* Call the common code global init function */
if (emfc_module_init() != SUCCESS)
{
OSL_LOCK_DESTROY(emf->lock);
MFREE(NULL, emf, sizeof(emf_struct_t));
return (FAILURE);
}
EMF_DEBUG("EMF Init done\n");
return (SUCCESS);
}
static void __exit
igs_module_exit(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
sock_release(igs.nl_sk->sk_socket);
#else
sock_release(igs.nl_sk->socket);
#endif
igs_instances_clear();
OSL_LOCK_DESTROY(igs.lock);
return;
}
static void __exit
emf_module_exit(void)
{
/* Call the common code global exit function */
emfc_module_exit();
/* Clean up the instances and exit */
sock_release(emf->nl_sk->sk_socket);
emf_instances_clear(emf);
OSL_LOCK_DESTROY(emf->lock);
MFREE(NULL, emf, sizeof(emf_struct_t));
return;
}
static void __exit
emf_module_exit(void)
{
/* Call the common code global exit function */
emfc_module_exit();
/* Clean up the instances and exit */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
sock_release(emf->nl_sk->sk_socket);
#else
sock_release(emf->nl_sk->socket);
#endif
emf_instances_clear(emf);
OSL_LOCK_DESTROY(emf->lock);
MFREE(NULL, emf, sizeof(emf_struct_t));
return;
}