816 static int smc_clcsock_accept(struct smc_sock *lsmc, struct smc_sock **new_smc)  in smc_clcsock_accept()  argument
828 		*new_smc = NULL;  in smc_clcsock_accept()
832 	*new_smc = smc_sk(new_sk);  in smc_clcsock_accept()
845 		*new_smc = NULL;  in smc_clcsock_accept()
849 	(*new_smc)->clcsock = new_clcsock;  in smc_clcsock_accept()
999 static void smc_listen_out(struct smc_sock *new_smc)  in smc_listen_out()  argument
1001 	struct smc_sock *lsmc = new_smc->listen_smc;  in smc_listen_out()
1002 	struct sock *newsmcsk = &new_smc->sk;  in smc_listen_out()
1018 static void smc_listen_out_connected(struct smc_sock *new_smc)  in smc_listen_out_connected()  argument
1020 	struct sock *newsmcsk = &new_smc->sk;  in smc_listen_out_connected()
1026 	smc_listen_out(new_smc);  in smc_listen_out_connected()
1030 static void smc_listen_out_err(struct smc_sock *new_smc)  in smc_listen_out_err()  argument
1032 	struct sock *newsmcsk = &new_smc->sk;  in smc_listen_out_err()
1035 		sock_put(&new_smc->sk); /* passive closing */  in smc_listen_out_err()
1037 	smc_conn_free(&new_smc->conn);  in smc_listen_out_err()
1039 	smc_listen_out(new_smc);  in smc_listen_out_err()
1043 static void smc_listen_decline(struct smc_sock *new_smc, int reason_code,  in smc_listen_decline()  argument
1048 		smc_lgr_forget(new_smc->conn.lgr);  in smc_listen_decline()
1050 		smc_listen_out_err(new_smc);  in smc_listen_decline()
1053 	smc_conn_free(&new_smc->conn);  in smc_listen_decline()
1054 	new_smc->use_fallback = true;  in smc_listen_decline()
1055 	new_smc->fallback_rsn = reason_code;  in smc_listen_decline()
1057 		if (smc_clc_send_decline(new_smc, reason_code) < 0) {  in smc_listen_decline()
1058 			smc_listen_out_err(new_smc);  in smc_listen_decline()
1062 	smc_listen_out_connected(new_smc);  in smc_listen_decline()
1066 static int smc_listen_rdma_check(struct smc_sock *new_smc,  in smc_listen_rdma_check()  argument
1070 	struct socket *newclcsock = new_smc->clcsock;  in smc_listen_rdma_check()
1080 static int smc_listen_rdma_init(struct smc_sock *new_smc,  in smc_listen_rdma_init()  argument
1086 	*local_contact = smc_conn_create(new_smc, false, 0, ibdev, ibport,  in smc_listen_rdma_init()
1095 	if (smc_buf_create(new_smc, false))  in smc_listen_rdma_init()
1102 static int smc_listen_ism_init(struct smc_sock *new_smc,  in smc_listen_ism_init()  argument
1110 	*local_contact = smc_conn_create(new_smc, true, 0, NULL, 0, NULL,  in smc_listen_ism_init()
1119 	if (smc_ism_cantalk(new_smc->conn.lgr->peer_gid,  in smc_listen_ism_init()
1120 			    new_smc->conn.lgr->vlan_id,  in smc_listen_ism_init()
1121 			    new_smc->conn.lgr->smcd)) {  in smc_listen_ism_init()
1123 			smc_lgr_forget(new_smc->conn.lgr);  in smc_listen_ism_init()
1124 		smc_conn_free(&new_smc->conn);  in smc_listen_ism_init()
1129 	if (smc_buf_create(new_smc, true)) {  in smc_listen_ism_init()
1131 			smc_lgr_forget(new_smc->conn.lgr);  in smc_listen_ism_init()
1132 		smc_conn_free(&new_smc->conn);  in smc_listen_ism_init()
1140 static int smc_listen_rdma_reg(struct smc_sock *new_smc, int local_contact)  in smc_listen_rdma_reg()  argument
1142 	struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];  in smc_listen_rdma_reg()
1145 		if (!new_smc->conn.rmb_desc->reused) {  in smc_listen_rdma_reg()
1146 			if (smc_reg_rmb(link, new_smc->conn.rmb_desc, true))  in smc_listen_rdma_reg()
1150 	smc_rmb_sync_sg_for_device(&new_smc->conn);  in smc_listen_rdma_reg()
1156 static int smc_listen_rdma_finish(struct smc_sock *new_smc,  in smc_listen_rdma_finish()  argument
1160 	struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];  in smc_listen_rdma_finish()
1166 	if (smc_rmb_rtoken_handling(&new_smc->conn, cclc)) {  in smc_listen_rdma_finish()
1177 		reason_code = smc_serv_conf_first_link(new_smc);  in smc_listen_rdma_finish()
1185 	smc_listen_decline(new_smc, reason_code, local_contact);  in smc_listen_rdma_finish()
1192 	struct smc_sock *new_smc = container_of(work, struct smc_sock,  in smc_listen_work()  local
1194 	struct socket *newclcsock = new_smc->clcsock;  in smc_listen_work()
1207 	if (new_smc->use_fallback) {  in smc_listen_work()
1208 		smc_listen_out_connected(new_smc);  in smc_listen_work()
1214 		new_smc->use_fallback = true;  in smc_listen_work()
1215 		new_smc->fallback_rsn = SMC_CLC_DECL_PEERNOSMC;  in smc_listen_work()
1216 		smc_listen_out_connected(new_smc);  in smc_listen_work()
1224 	reason_code = smc_clc_wait_msg(new_smc, pclc, SMC_CLC_MAX_LEN,  in smc_listen_work()
1227 		smc_listen_decline(new_smc, reason_code, 0);  in smc_listen_work()
1232 	if (using_ipsec(new_smc)) {  in smc_listen_work()
1233 		smc_listen_decline(new_smc, SMC_CLC_DECL_IPSEC, 0);  in smc_listen_work()
1238 	smc_close_init(new_smc);  in smc_listen_work()
1239 	smc_rx_init(new_smc);  in smc_listen_work()
1240 	smc_tx_init(new_smc);  in smc_listen_work()
1244 	    !smc_check_ism(new_smc, &ismdev) &&  in smc_listen_work()
1245 	    !smc_listen_ism_init(new_smc, pclc, ismdev, &local_contact)) {  in smc_listen_work()
1252 	     smc_vlan_by_tcpsk(new_smc->clcsock, &vlan) ||  in smc_listen_work()
1253 	     smc_check_rdma(new_smc, &ibdev, &ibport, vlan, NULL) ||  in smc_listen_work()
1254 	     smc_listen_rdma_check(new_smc, pclc) ||  in smc_listen_work()
1255 	     smc_listen_rdma_init(new_smc, pclc, ibdev, ibport,  in smc_listen_work()
1257 	     smc_listen_rdma_reg(new_smc, local_contact))) {  in smc_listen_work()
1260 		smc_listen_decline(new_smc, SMC_CLC_DECL_MODEUNSUPP,  in smc_listen_work()
1266 	rc = smc_clc_send_accept(new_smc, local_contact);  in smc_listen_work()
1269 		smc_listen_decline(new_smc, rc, local_contact);  in smc_listen_work()
1274 	reason_code = smc_clc_wait_msg(new_smc, &cclc, sizeof(cclc),  in smc_listen_work()
1278 		smc_listen_decline(new_smc, reason_code, local_contact);  in smc_listen_work()
1284 		if (smc_listen_rdma_finish(new_smc, &cclc, local_contact))  in smc_listen_work()
1287 	smc_conn_save_peer_info(new_smc, &cclc);  in smc_listen_work()
1289 	smc_listen_out_connected(new_smc);  in smc_listen_work()
1297 	struct smc_sock *new_smc;  in smc_tcp_listen_work()  local
1302 		rc = smc_clcsock_accept(lsmc, &new_smc);  in smc_tcp_listen_work()
1305 		if (!new_smc)  in smc_tcp_listen_work()
1308 		new_smc->listen_smc = lsmc;  in smc_tcp_listen_work()
1309 		new_smc->use_fallback = lsmc->use_fallback;  in smc_tcp_listen_work()
1310 		new_smc->fallback_rsn = lsmc->fallback_rsn;  in smc_tcp_listen_work()
1312 		INIT_WORK(&new_smc->smc_listen_work, smc_listen_work);  in smc_tcp_listen_work()
1313 		smc_copy_sock_settings_to_smc(new_smc);  in smc_tcp_listen_work()
1314 		new_smc->sk.sk_sndbuf = lsmc->sk.sk_sndbuf;  in smc_tcp_listen_work()
1315 		new_smc->sk.sk_rcvbuf = lsmc->sk.sk_rcvbuf;  in smc_tcp_listen_work()
1316 		sock_hold(&new_smc->sk); /* sock_put in passive closing */  in smc_tcp_listen_work()
1317 		if (!schedule_work(&new_smc->smc_listen_work))  in smc_tcp_listen_work()
1318 			sock_put(&new_smc->sk);  in smc_tcp_listen_work()