149 struct ip_vs_app * ip_vs_bind_app(struct ip_vs_conn *cp)  in ip_vs_bind_app()  argument
154 	if (IP_VS_FWD_METHOD(cp) != IP_VS_CONN_F_MASQ)  in ip_vs_bind_app()
157 	if (cp->protocol != IPPROTO_TCP && cp->protocol != IPPROTO_UDP)  in ip_vs_bind_app()
163 	if (cp->app != NULL) {  in ip_vs_bind_app()
166 		return cp->app;  in ip_vs_bind_app()
169 	vapp = ip_vs_app_get(cp->protocol, cp->vport);  in ip_vs_bind_app()
172 		cp->app = vapp;  in ip_vs_bind_app()
175 			vapp->init_conn(vapp, cp);  in ip_vs_bind_app()
184 int ip_vs_unbind_app(struct ip_vs_conn *cp)  in ip_vs_unbind_app()  argument
186 	struct ip_vs_app *vapp = cp->app;  in ip_vs_unbind_app()
188 	if (cp->protocol != IPPROTO_TCP && cp->protocol != IPPROTO_UDP)  in ip_vs_unbind_app()
193 			vapp->done_conn(vapp, cp);  in ip_vs_unbind_app()
194 		cp->app = NULL;  in ip_vs_unbind_app()
263 static inline void vs_seq_update(struct ip_vs_conn *cp, struct ip_vs_seq *vseq,  in vs_seq_update()  argument
267 	spin_lock(&cp->lock);  in vs_seq_update()
268 	if ( !(cp->flags & flag) || after(seq, vseq->init_seq)) {  in vs_seq_update()
272 		cp->flags |= flag;  in vs_seq_update()
274 	spin_unlock(&cp->lock);  in vs_seq_update()
283 int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff *skb)  in ip_vs_app_pkt_out()  argument
295 	if ((vapp = cp->app) == NULL)  in ip_vs_app_pkt_out()
309 	if (cp->protocol == IPPROTO_TCP) {  in ip_vs_app_pkt_out()
310 		if (cp->flags & IP_VS_CONN_F_OUT_SEQ)  in ip_vs_app_pkt_out()
311 			vs_fix_seq(&cp->out_seq, th);  in ip_vs_app_pkt_out()
312 		if (cp->flags & IP_VS_CONN_F_IN_SEQ)  in ip_vs_app_pkt_out()
313 			vs_fix_ack_seq(&cp->in_seq, th);  in ip_vs_app_pkt_out()
322 	diff = vapp->pkt_out(vapp, cp, skb);  in ip_vs_app_pkt_out()
327 	if (diff != 0 && cp->protocol == IPPROTO_TCP)  in ip_vs_app_pkt_out()
328 		vs_seq_update(cp, &cp->out_seq,  in ip_vs_app_pkt_out()
340 int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff *skb)  in ip_vs_app_pkt_in()  argument
352 	if ((vapp = cp->app) == NULL)  in ip_vs_app_pkt_in()
366 	if (cp->protocol == IPPROTO_TCP) {  in ip_vs_app_pkt_in()
367 		if (cp->flags & IP_VS_CONN_F_IN_SEQ)  in ip_vs_app_pkt_in()
368 			vs_fix_seq(&cp->in_seq, th);  in ip_vs_app_pkt_in()
369 		if (cp->flags & IP_VS_CONN_F_OUT_SEQ)  in ip_vs_app_pkt_in()
370 			vs_fix_ack_seq(&cp->out_seq, th);  in ip_vs_app_pkt_in()
379 	diff = vapp->pkt_in(vapp, cp, skb);  in ip_vs_app_pkt_in()
384 	if (diff != 0 && cp->protocol == IPPROTO_TCP)  in ip_vs_app_pkt_in()
385 		vs_seq_update(cp, &cp->in_seq,  in ip_vs_app_pkt_in()