net/smc/af_smc.c

907 static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code)
918 	smc->fallback_rsn = reason_code;
920 	trace_smc_switch_to_fallback(smc, reason_code);
940 static int smc_connect_fallback(struct smc_sock *smc, int reason_code)
945 	rc = smc_switch_to_fallback(smc, reason_code);
960 static int smc_connect_decline_fallback(struct smc_sock *smc, int reason_code,
966 	if (reason_code < 0) { /* error, fallback is not possible */
970 		return reason_code;
972 	if (reason_code != SMC_CLC_DECL_PEERDECL) {
973 		rc = smc_clc_send_decline(smc, reason_code, version);
981 	return smc_connect_fallback(smc, reason_code);
1246 	int i, reason_code = 0;
1259 	reason_code = smc_connect_rdma_v2_prepare(smc, aclc, ini);
1260 	if (reason_code)
1261 		return reason_code;
1264 	reason_code = smc_conn_create(smc, ini);
1265 	if (reason_code) {
1267 		return reason_code;
1291 			reason_code = SMC_CLC_DECL_NOSRVLINK;
1299 		reason_code = SMC_CLC_DECL_MEM;
1307 		reason_code = SMC_CLC_DECL_ERR_RTOK;
1316 			reason_code = SMC_CLC_DECL_ERR_RDYLNK;
1323 				reason_code = SMC_CLC_DECL_ERR_REGBUF;
1328 			reason_code = SMC_CLC_DECL_ERR_REGBUF;
1340 	reason_code = smc_clc_send_confirm(smc, ini->first_contact_local,
1342 	if (reason_code)
1350 		reason_code = smcr_clnt_conf_first_link(smc);
1352 		if (reason_code)
1368 	return reason_code;
1960 static void smc_listen_decline(struct smc_sock *new_smc, int reason_code,
1965 	if (reason_code < 0 ||
1966 	    smc_switch_to_fallback(new_smc, reason_code)) {
1971 	if (reason_code && reason_code != SMC_CLC_DECL_PEERDECL) {
1972 		if (smc_clc_send_decline(new_smc, reason_code, version) < 0) {
2409 	int reason_code = 0;
2422 		reason_code = smcr_serv_conf_first_link(new_smc);
2425 	return reason_code;