343 	struct nfnl_subsys_handle *ssh;  in nfnl_subsys_open2()  local
353 	ssh = &nfnlh->subsys[subsys_id];  in nfnl_subsys_open2()
354 	if (ssh->cb) {  in nfnl_subsys_open2()
359 	ssh->cb = calloc(cb_count, sizeof(*(ssh->cb)));  in nfnl_subsys_open2()
360 	if (!ssh->cb)  in nfnl_subsys_open2()
363 	ssh->nfnlh = nfnlh;  in nfnl_subsys_open2()
364 	ssh->cb_count = cb_count;  in nfnl_subsys_open2()
365 	ssh->subscriptions = subscriptions;  in nfnl_subsys_open2()
366 	ssh->subsys_id = subsys_id;  in nfnl_subsys_open2()
375 		free(ssh->cb);  in nfnl_subsys_open2()
376 		ssh->cb = NULL;  in nfnl_subsys_open2()
379 	return ssh;  in nfnl_subsys_open2()
384  * @ssh: nfnetlink subsystem handler
388 void nfnl_subsys_close(struct nfnl_subsys_handle *ssh)  in nfnl_subsys_close()  argument
390 	assert(ssh);  in nfnl_subsys_close()
392 	ssh->subscriptions = 0;  in nfnl_subsys_close()
393 	ssh->cb_count = 0;  in nfnl_subsys_close()
394 	if (ssh->cb) {  in nfnl_subsys_close()
395 		free(ssh->cb);  in nfnl_subsys_close()
396 		ssh->cb = NULL;  in nfnl_subsys_close()
518 void nfnl_fill_hdr(struct nfnl_subsys_handle *ssh,  in nfnl_fill_hdr()  argument
525 	assert(ssh);  in nfnl_fill_hdr()
531 	nlh->nlmsg_type = (ssh->subsys_id<<8)|msg_type;  in nfnl_fill_hdr()
535 	if (ssh->nfnlh->flags & NFNL_F_SEQTRACK_ENABLED) {  in nfnl_fill_hdr()
536 		nlh->nlmsg_seq = ++ssh->nfnlh->seq;  in nfnl_fill_hdr()
538 		if (!ssh->nfnlh->seq)  in nfnl_fill_hdr()
539 			nlh->nlmsg_seq = ssh->nfnlh->seq = time(NULL);  in nfnl_fill_hdr()
1191  * @ssh: nfnetlink subsys handler
1198 int nfnl_callback_register(struct nfnl_subsys_handle *ssh,  in nfnl_callback_register()  argument
1201 	assert(ssh);  in nfnl_callback_register()
1204 	if (type >= ssh->cb_count) {  in nfnl_callback_register()
1209 	memcpy(&ssh->cb[type], cb, sizeof(*cb));  in nfnl_callback_register()
1216  * @ssh: nfnetlink subsys handler
1222 int nfnl_callback_unregister(struct nfnl_subsys_handle *ssh, u_int8_t type)  in nfnl_callback_unregister()  argument
1224 	assert(ssh);  in nfnl_callback_unregister()
1226 	if (type >= ssh->cb_count) {  in nfnl_callback_unregister()
1231 	ssh->cb[type].call = NULL;  in nfnl_callback_unregister()
1247 	const struct nfnl_subsys_handle *ssh;  in nfnl_check_attributes()  local
1253 	ssh = &h->subsys[subsys_id];  in nfnl_check_attributes()
1254  	cb = &ssh->cb[type];  in nfnl_check_attributes()
1259 	if (type >= ssh->cb_count)  in nfnl_check_attributes()
1295 	struct nfnl_subsys_handle *ssh;  in __nfnl_handle_msg()  local
1303 	ssh = &h->subsys[subsys_id];  in __nfnl_handle_msg()
1308 	if (type >= ssh->cb_count)  in __nfnl_handle_msg()
1311 	if (ssh->cb[type].attr_count) {  in __nfnl_handle_msg()
1312 		struct nfattr *nfa[ssh->cb[type].attr_count];  in __nfnl_handle_msg()
1317 		if (ssh->cb[type].call)  in __nfnl_handle_msg()
1318 			return ssh->cb[type].call(nlh, nfa, ssh->cb[type].data);  in __nfnl_handle_msg()
1368 	struct nfnl_subsys_handle *ssh;  in nfnl_step()  local
1392 	ssh = &h->subsys[subsys_id];  in nfnl_step()
1393 	if (!ssh) {  in nfnl_step()
1398 	if (type >= ssh->cb_count) {  in nfnl_step()
1403 	if (ssh->cb[type].attr_count) {  in nfnl_step()
1405 		struct nfattr *tb[ssh->cb[type].attr_count];  in nfnl_step()
1410 		err = nfnl_parse_attr(tb, ssh->cb[type].attr_count, attr, len);  in nfnl_step()
1414 		if (ssh->cb[type].call) {  in nfnl_step()
1422 			return ssh->cb[type].call(nlh,  in nfnl_step()
1424 						  ssh->cb[type].data);  in nfnl_step()