28 		     struct cifs_server_iface *iface);
30 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface)  in is_ses_using_iface()  argument
36 		if (ses->chans[i].iface == iface) {  in is_ses_using_iface()
142 	return ses->chans[chan_index].iface &&  in cifs_chan_is_iface_active()
143 		ses->chans[chan_index].iface->is_active;  in cifs_chan_is_iface_active()
155 	struct cifs_server_iface *iface = NULL, *niface = NULL;  in cifs_try_adding_channels()  local
201 		if (!iface)  in cifs_try_adding_channels()
202 			iface = list_first_entry(&ses->iface_list, struct cifs_server_iface,  in cifs_try_adding_channels()
208 		list_for_each_entry_safe_from(iface, niface, &ses->iface_list,  in cifs_try_adding_channels()
211 			if (iface->rdma_capable != ses->server->rdma)  in cifs_try_adding_channels()
215 			if (!iface->is_active ||  in cifs_try_adding_channels()
216 			    (is_ses_using_iface(ses, iface) &&  in cifs_try_adding_channels()
217 			     !iface->rss_capable))  in cifs_try_adding_channels()
221 			iface_weight = iface->speed / iface_min_speed;  in cifs_try_adding_channels()
223 			if (iface->weight_fulfilled >= iface_weight)  in cifs_try_adding_channels()
227 			kref_get(&iface->refcount);  in cifs_try_adding_channels()
230 			rc = cifs_ses_add_channel(ses, iface);  in cifs_try_adding_channels()
234 				cifs_dbg(VFS, "failed to open extra channel on iface:%pIS rc=%d\n",  in cifs_try_adding_channels()
235 					 &iface->sockaddr,  in cifs_try_adding_channels()
237 				kref_put(&iface->refcount, release_iface);  in cifs_try_adding_channels()
239 				iface->weight_fulfilled++;  in cifs_try_adding_channels()
243 			iface->num_channels++;  in cifs_try_adding_channels()
244 			iface->weight_fulfilled++;  in cifs_try_adding_channels()
245 			cifs_dbg(VFS, "successfully opened new channel on iface:%pIS\n",  in cifs_try_adding_channels()
246 				 &iface->sockaddr);  in cifs_try_adding_channels()
251 		if (list_entry_is_head(iface, &ses->iface_list, iface_head)) {  in cifs_try_adding_channels()
252 			list_for_each_entry(iface, &ses->iface_list, iface_head)  in cifs_try_adding_channels()
253 				iface->weight_fulfilled = 0;  in cifs_try_adding_channels()
255 			iface = NULL;  in cifs_try_adding_channels()
277 	struct cifs_server_iface *iface;  in cifs_disable_secondary_channels()  local
290 		iface = ses->chans[i].iface;  in cifs_disable_secondary_channels()
297 		ses->chans[i].iface = NULL;  in cifs_disable_secondary_channels()
301 		if (iface) {  in cifs_disable_secondary_channels()
303 			iface->num_channels--;  in cifs_disable_secondary_channels()
304 			if (iface->weight_fulfilled)  in cifs_disable_secondary_channels()
305 				iface->weight_fulfilled--;  in cifs_disable_secondary_channels()
306 			kref_put(&iface->refcount, release_iface);  in cifs_disable_secondary_channels()
325 /* update the iface for the channel if necessary. */
331 	struct cifs_server_iface *iface = NULL;  in cifs_chan_update_iface()  local
343 	if (ses->chans[chan_index].iface) {  in cifs_chan_update_iface()
344 		old_iface = ses->chans[chan_index].iface;  in cifs_chan_update_iface()
368 	list_for_each_entry(iface, &ses->iface_list, iface_head) {  in cifs_chan_update_iface()
370 			/* if we're trying to get the updated iface for primary channel */  in cifs_chan_update_iface()
372 					       (struct sockaddr *) &iface->sockaddr))  in cifs_chan_update_iface()
375 			kref_get(&iface->refcount);  in cifs_chan_update_iface()
380 		if (iface->rdma_capable != server->rdma)  in cifs_chan_update_iface()
383 		if (!iface->is_active ||  in cifs_chan_update_iface()
384 		    (is_ses_using_iface(ses, iface) &&  in cifs_chan_update_iface()
385 		     !iface->rss_capable)) {  in cifs_chan_update_iface()
390 		iface_weight = iface->speed / iface_min_speed;  in cifs_chan_update_iface()
392 		if (iface->weight_fulfilled >= iface_weight)  in cifs_chan_update_iface()
395 		kref_get(&iface->refcount);  in cifs_chan_update_iface()
399 	if (list_entry_is_head(iface, &ses->iface_list, iface_head)) {  in cifs_chan_update_iface()
400 		iface = NULL;  in cifs_chan_update_iface()
401 		cifs_dbg(FYI, "unable to find a suitable iface\n");  in cifs_chan_update_iface()
404 	if (!iface) {  in cifs_chan_update_iface()
417 	/* now drop the ref to the current iface */  in cifs_chan_update_iface()
419 		cifs_dbg(FYI, "replacing iface: %pIS with %pIS\n",  in cifs_chan_update_iface()
421 			 &iface->sockaddr);  in cifs_chan_update_iface()
426 		iface->num_channels++;  in cifs_chan_update_iface()
427 		iface->weight_fulfilled++;  in cifs_chan_update_iface()
432 		cifs_dbg(FYI, "referencing primary channel iface: %pIS\n",  in cifs_chan_update_iface()
433 			 &iface->sockaddr);  in cifs_chan_update_iface()
434 		iface->num_channels++;  in cifs_chan_update_iface()
435 		iface->weight_fulfilled++;  in cifs_chan_update_iface()
446 	ses->chans[chan_index].iface = iface;  in cifs_chan_update_iface()
452 		     struct cifs_server_iface *iface)  in cifs_ses_add_channel()  argument
458 	struct sockaddr_in *ipv4 = (struct sockaddr_in *)&iface->sockaddr;  in cifs_ses_add_channel()
459 	struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&iface->sockaddr;  in cifs_ses_add_channel()
464 	if (iface->sockaddr.ss_family == AF_INET)  in cifs_ses_add_channel()
466 			 ses, iface->speed, str_yes_no(iface->rdma_capable),  in cifs_ses_add_channel()
470 			 ses, iface->speed, str_yes_no(iface->rdma_capable),  in cifs_ses_add_channel()
475 	 * session and overwrite it with the requested iface data.  in cifs_ses_add_channel()
540 	ctx->rdma = iface->rdma_capable;  in cifs_ses_add_channel()
541 	memcpy(&ctx->dstaddr, &iface->sockaddr, sizeof(ctx->dstaddr));  in cifs_ses_add_channel()
559 	chan->iface = iface;  in cifs_ses_add_channel()