smb/client/transport.c

703 static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,
706 	spin_lock(&ses->ses_lock);
707 	if (ses->ses_status == SES_NEW) {
710 			spin_unlock(&ses->ses_lock);
716 	if (ses->ses_status == SES_EXITING) {
719 			spin_unlock(&ses->ses_lock);
724 	spin_unlock(&ses->ses_lock);
726 	*ppmidQ = alloc_mid(in_buf, ses->server);
729 	spin_lock(&ses->server->mid_lock);
730 	list_add_tail(&(*ppmidQ)->qhead, &ses->server->pending_mid_q);
731 	spin_unlock(&ses->server->mid_lock);
868 SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
879 	rc = SendReceive2(xid, ses, iov, 1, &resp_buf_type, flags, &rsp_iov);
965 cifs_setup_request(struct cifs_ses *ses, struct TCP_Server_Info *ignored,
976 	rc = allocate_mid(ses, hdr, &mid);
979 	rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number);
1017  * Return a channel (master if none) of @ses that can be used to send
1023 struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses)
1030 	if (!ses)
1033 	spin_lock(&ses->chan_lock);
1034 	for (i = 0; i < ses->chan_count; i++) {
1035 		server = ses->chans[i].server;
1039 		if (CIFS_CHAN_NEEDS_RECONNECT(ses, i))
1060 		index = (uint)atomic_inc_return(&ses->chan_seq);
1061 		index %= ses->chan_count;
1064 	server = ses->chans[index].server;
1065 	spin_unlock(&ses->chan_lock);
1071 compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
1090 	if (!ses || !ses->server || !server) {
1143 		midQ[i] = server->ops->setup_request(ses, server, &rqst[i]);
1201 	spin_lock(&ses->ses_lock);
1202 	if ((ses->ses_status == SES_NEW) || (optype & CIFS_NEG_OP) || (optype & CIFS_SESS_OP)) {
1203 		spin_unlock(&ses->ses_lock);
1206 		smb311_update_preauth_hash(ses, server, rqst[0].rq_iov, rqst[0].rq_nvec);
1209 		spin_lock(&ses->ses_lock);
1211 	spin_unlock(&ses->ses_lock);
1275 	spin_lock(&ses->ses_lock);
1276 	if ((ses->ses_status == SES_NEW) || (optype & CIFS_NEG_OP) || (optype & CIFS_SESS_OP)) {
1281 		spin_unlock(&ses->ses_lock);
1283 		smb311_update_preauth_hash(ses, server, &iov, 1);
1285 		spin_lock(&ses->ses_lock);
1287 	spin_unlock(&ses->ses_lock);
1305 cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
1310 	return compound_send_recv(xid, ses, server, flags, 1,
1315 SendReceive2(const unsigned int xid, struct cifs_ses *ses,
1346 	rc = cifs_send_recv(xid, ses, ses->server,
1354 SendReceive(const unsigned int xid, struct cifs_ses *ses,
1366 	if (ses == NULL) {
1370 	server = ses->server;
1385 	   use ses->maxReq */
1403 	rc = allocate_mid(ses, in_buf, &midQ);
1477 	struct cifs_ses *ses = tcon->ses;
1487 	pSMB->hdr.Mid = get_next_mid(ses->server);
1489 	return SendReceive(xid, ses, in_buf, out_buf,
1501 	struct cifs_ses *ses;
1508 	if (tcon == NULL || tcon->ses == NULL) {
1512 	ses = tcon->ses;
1513 	server = ses->server;
1529 	   use ses->maxReq */
1547 	rc = allocate_mid(ses, in_buf, &midQ);