875 static int smc_clcsock_accept(struct smc_sock *lsmc, struct smc_sock **new_smc)  in smc_clcsock_accept()  argument
887 		*new_smc = NULL;  in smc_clcsock_accept()
891 	*new_smc = smc_sk(new_sk);  in smc_clcsock_accept()
907 		*new_smc = NULL;  in smc_clcsock_accept()
911 	(*new_smc)->clcsock = new_clcsock;  in smc_clcsock_accept()
1047 static void smc_listen_out(struct smc_sock *new_smc)  in smc_listen_out()  argument
1049 	struct smc_sock *lsmc = new_smc->listen_smc;  in smc_listen_out()
1050 	struct sock *newsmcsk = &new_smc->sk;  in smc_listen_out()
1066 static void smc_listen_out_connected(struct smc_sock *new_smc)  in smc_listen_out_connected()  argument
1068 	struct sock *newsmcsk = &new_smc->sk;  in smc_listen_out_connected()
1074 	smc_listen_out(new_smc);  in smc_listen_out_connected()
1078 static void smc_listen_out_err(struct smc_sock *new_smc)  in smc_listen_out_err()  argument
1080 	struct sock *newsmcsk = &new_smc->sk;  in smc_listen_out_err()
1083 		sock_put(&new_smc->sk); /* passive closing */  in smc_listen_out_err()
1085 	smc_conn_free(&new_smc->conn);  in smc_listen_out_err()
1087 	smc_listen_out(new_smc);  in smc_listen_out_err()
1091 static void smc_listen_decline(struct smc_sock *new_smc, int reason_code,  in smc_listen_decline()  argument
1096 		smc_lgr_forget(new_smc->conn.lgr);  in smc_listen_decline()
1098 		smc_listen_out_err(new_smc);  in smc_listen_decline()
1101 	smc_conn_free(&new_smc->conn);  in smc_listen_decline()
1102 	smc_switch_to_fallback(new_smc);  in smc_listen_decline()
1103 	new_smc->fallback_rsn = reason_code;  in smc_listen_decline()
1105 		if (smc_clc_send_decline(new_smc, reason_code) < 0) {  in smc_listen_decline()
1106 			smc_listen_out_err(new_smc);  in smc_listen_decline()
1110 	smc_listen_out_connected(new_smc);  in smc_listen_decline()
1114 static int smc_listen_prfx_check(struct smc_sock *new_smc,  in smc_listen_prfx_check()  argument
1118 	struct socket *newclcsock = new_smc->clcsock;  in smc_listen_prfx_check()
1128 static int smc_listen_rdma_init(struct smc_sock *new_smc,  in smc_listen_rdma_init()  argument
1134 	rc = smc_conn_create(new_smc, ini);  in smc_listen_rdma_init()
1139 	if (smc_buf_create(new_smc, false))  in smc_listen_rdma_init()
1146 static int smc_listen_ism_init(struct smc_sock *new_smc,  in smc_listen_ism_init()  argument
1155 	rc = smc_conn_create(new_smc, ini);  in smc_listen_ism_init()
1160 	if (smc_ism_cantalk(new_smc->conn.lgr->peer_gid,  in smc_listen_ism_init()
1161 			    new_smc->conn.lgr->vlan_id,  in smc_listen_ism_init()
1162 			    new_smc->conn.lgr->smcd)) {  in smc_listen_ism_init()
1164 			smc_lgr_forget(new_smc->conn.lgr);  in smc_listen_ism_init()
1165 		smc_conn_free(&new_smc->conn);  in smc_listen_ism_init()
1170 	if (smc_buf_create(new_smc, true)) {  in smc_listen_ism_init()
1172 			smc_lgr_forget(new_smc->conn.lgr);  in smc_listen_ism_init()
1173 		smc_conn_free(&new_smc->conn);  in smc_listen_ism_init()
1181 static int smc_listen_rdma_reg(struct smc_sock *new_smc, int local_contact)  in smc_listen_rdma_reg()  argument
1183 	struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];  in smc_listen_rdma_reg()
1186 		if (smc_reg_rmb(link, new_smc->conn.rmb_desc, true))  in smc_listen_rdma_reg()
1189 	smc_rmb_sync_sg_for_device(&new_smc->conn);  in smc_listen_rdma_reg()
1195 static int smc_listen_rdma_finish(struct smc_sock *new_smc,  in smc_listen_rdma_finish()  argument
1199 	struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];  in smc_listen_rdma_finish()
1205 	if (smc_rmb_rtoken_handling(&new_smc->conn, cclc)) {  in smc_listen_rdma_finish()
1216 		reason_code = smc_serv_conf_first_link(new_smc);  in smc_listen_rdma_finish()
1223 	smc_listen_decline(new_smc, reason_code, local_contact);  in smc_listen_rdma_finish()
1230 	struct smc_sock *new_smc = container_of(work, struct smc_sock,  in smc_listen_work()  local
1232 	struct socket *newclcsock = new_smc->clcsock;  in smc_listen_work()
1240 	if (new_smc->listen_smc->sk.sk_state != SMC_LISTEN)  in smc_listen_work()
1241 		return smc_listen_out_err(new_smc);  in smc_listen_work()
1243 	if (new_smc->use_fallback) {  in smc_listen_work()
1244 		smc_listen_out_connected(new_smc);  in smc_listen_work()
1250 		smc_switch_to_fallback(new_smc);  in smc_listen_work()
1251 		new_smc->fallback_rsn = SMC_CLC_DECL_PEERNOSMC;  in smc_listen_work()
1252 		smc_listen_out_connected(new_smc);  in smc_listen_work()
1260 	rc = smc_clc_wait_msg(new_smc, pclc, SMC_CLC_MAX_LEN,  in smc_listen_work()
1266 	if (using_ipsec(new_smc)) {  in smc_listen_work()
1272 	rc = smc_listen_prfx_check(new_smc, pclc);  in smc_listen_work()
1277 	if (smc_vlan_by_tcpsk(new_smc->clcsock, &ini)) {  in smc_listen_work()
1283 	smc_close_init(new_smc);  in smc_listen_work()
1284 	smc_rx_init(new_smc);  in smc_listen_work()
1285 	smc_tx_init(new_smc);  in smc_listen_work()
1290 		rc = smc_find_ism_device(new_smc, &ini);  in smc_listen_work()
1292 			rc = smc_listen_ism_init(new_smc, pclc, &ini);  in smc_listen_work()
1305 		rc = smc_find_rdma_device(new_smc, &ini);  in smc_listen_work()
1313 		rc = smc_listen_rdma_init(new_smc, &ini);  in smc_listen_work()
1316 		rc = smc_listen_rdma_reg(new_smc, ini.cln_first_contact);  in smc_listen_work()
1322 	rc = smc_clc_send_accept(new_smc, ini.cln_first_contact);  in smc_listen_work()
1331 	rc = smc_clc_wait_msg(new_smc, &cclc, sizeof(cclc),  in smc_listen_work()
1341 		rc = smc_listen_rdma_finish(new_smc, &cclc,  in smc_listen_work()
1347 	smc_conn_save_peer_info(new_smc, &cclc);  in smc_listen_work()
1348 	smc_listen_out_connected(new_smc);  in smc_listen_work()
1354 	smc_listen_decline(new_smc, rc, ini.cln_first_contact);  in smc_listen_work()
1362 	struct smc_sock *new_smc;  in smc_tcp_listen_work()  local
1367 		rc = smc_clcsock_accept(lsmc, &new_smc);  in smc_tcp_listen_work()
1370 		if (!new_smc)  in smc_tcp_listen_work()
1373 		new_smc->listen_smc = lsmc;  in smc_tcp_listen_work()
1374 		new_smc->use_fallback = lsmc->use_fallback;  in smc_tcp_listen_work()
1375 		new_smc->fallback_rsn = lsmc->fallback_rsn;  in smc_tcp_listen_work()
1377 		INIT_WORK(&new_smc->smc_listen_work, smc_listen_work);  in smc_tcp_listen_work()
1378 		smc_copy_sock_settings_to_smc(new_smc);  in smc_tcp_listen_work()
1379 		new_smc->sk.sk_sndbuf = lsmc->sk.sk_sndbuf;  in smc_tcp_listen_work()
1380 		new_smc->sk.sk_rcvbuf = lsmc->sk.sk_rcvbuf;  in smc_tcp_listen_work()
1381 		sock_hold(&new_smc->sk); /* sock_put in passive closing */  in smc_tcp_listen_work()
1382 		if (!schedule_work(&new_smc->smc_listen_work))  in smc_tcp_listen_work()
1383 			sock_put(&new_smc->sk);  in smc_tcp_listen_work()