28 		     struct cifs_server_iface *iface);
32 		      struct cifs_server_iface *iface)  in is_server_using_iface()  argument
34 	struct sockaddr_in *i4 = (struct sockaddr_in *)&iface->sockaddr;  in is_server_using_iface()
35 	struct sockaddr_in6 *i6 = (struct sockaddr_in6 *)&iface->sockaddr;  in is_server_using_iface()
39 	if (server->dstaddr.ss_family != iface->sockaddr.ss_family)  in is_server_using_iface()
55 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface)  in is_ses_using_iface()  argument
61 		if (ses->chans[i].iface == iface) {  in is_ses_using_iface()
155 	return ses->chans[chan_index].iface &&  in cifs_chan_is_iface_active()
156 		ses->chans[chan_index].iface->is_active;  in cifs_chan_is_iface_active()
167 	struct cifs_server_iface *iface = NULL, *niface = NULL;  in cifs_try_adding_channels()  local
197 	 * Keep connecting to same, fastest, iface for all channels as  in cifs_try_adding_channels()
202 	iface = list_first_entry(&ses->iface_list, struct cifs_server_iface,  in cifs_try_adding_channels()
221 		list_for_each_entry_safe_from(iface, niface, &ses->iface_list,  in cifs_try_adding_channels()
224 			if (!iface->is_active ||  in cifs_try_adding_channels()
225 			    (is_ses_using_iface(ses, iface) &&  in cifs_try_adding_channels()
226 			     !iface->rss_capable)) {  in cifs_try_adding_channels()
231 			kref_get(&iface->refcount);  in cifs_try_adding_channels()
234 			rc = cifs_ses_add_channel(cifs_sb, ses, iface);  in cifs_try_adding_channels()
238 				cifs_dbg(VFS, "failed to open extra channel on iface:%pIS rc=%d\n",  in cifs_try_adding_channels()
239 					 &iface->sockaddr,  in cifs_try_adding_channels()
241 				kref_put(&iface->refcount, release_iface);  in cifs_try_adding_channels()
245 			cifs_dbg(FYI, "successfully opened new channel on iface:%pIS\n",  in cifs_try_adding_channels()
246 				 &iface->sockaddr);  in cifs_try_adding_channels()
259  * update the iface for the channel if necessary.
260  * will return 0 when iface is updated, 1 if removed, 2 otherwise
267 	struct cifs_server_iface *iface = NULL;  in cifs_chan_update_iface()  local
278 	if (ses->chans[chan_index].iface) {  in cifs_chan_update_iface()
279 		old_iface = ses->chans[chan_index].iface;  in cifs_chan_update_iface()
289 	list_for_each_entry(iface, &ses->iface_list, iface_head) {  in cifs_chan_update_iface()
290 		if (!iface->is_active ||  in cifs_chan_update_iface()
291 		    (is_ses_using_iface(ses, iface) &&  in cifs_chan_update_iface()
292 		     !iface->rss_capable)) {  in cifs_chan_update_iface()
295 		kref_get(&iface->refcount);  in cifs_chan_update_iface()
299 	if (list_entry_is_head(iface, &ses->iface_list, iface_head)) {  in cifs_chan_update_iface()
301 		iface = NULL;  in cifs_chan_update_iface()
302 		cifs_dbg(FYI, "unable to find a suitable iface\n");  in cifs_chan_update_iface()
305 	/* now drop the ref to the current iface */  in cifs_chan_update_iface()
306 	if (old_iface && iface) {  in cifs_chan_update_iface()
307 		cifs_dbg(FYI, "replacing iface: %pIS with %pIS\n",  in cifs_chan_update_iface()
309 			 &iface->sockaddr);  in cifs_chan_update_iface()
312 		cifs_dbg(FYI, "releasing ref to iface: %pIS\n",  in cifs_chan_update_iface()
316 		WARN_ON(!iface);  in cifs_chan_update_iface()
317 		cifs_dbg(FYI, "adding new iface: %pIS\n", &iface->sockaddr);  in cifs_chan_update_iface()
323 	ses->chans[chan_index].iface = iface;  in cifs_chan_update_iface()
325 	/* No iface is found. if secondary chan, drop connection */  in cifs_chan_update_iface()
326 	if (!iface && SERVER_IS_CHAN(server))  in cifs_chan_update_iface()
331 	if (!iface && SERVER_IS_CHAN(server))  in cifs_chan_update_iface()
359 		     struct cifs_server_iface *iface)  in cifs_ses_add_channel()  argument
365 	struct sockaddr_in *ipv4 = (struct sockaddr_in *)&iface->sockaddr;  in cifs_ses_add_channel()
366 	struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&iface->sockaddr;  in cifs_ses_add_channel()
371 	if (iface->sockaddr.ss_family == AF_INET)  in cifs_ses_add_channel()
373 			 ses, iface->speed, iface->rdma_capable ? "yes" : "no",  in cifs_ses_add_channel()
377 			 ses, iface->speed, iface->rdma_capable ? "yes" : "no",  in cifs_ses_add_channel()
382 	 * session and overwrite it with the requested iface data.  in cifs_ses_add_channel()
440 	ctx->rdma = iface->rdma_capable;  in cifs_ses_add_channel()
441 	memcpy(&ctx->dstaddr, &iface->sockaddr, sizeof(ctx->dstaddr));  in cifs_ses_add_channel()
459 	chan->iface = iface;  in cifs_ses_add_channel()