net/smc/af_smc.c

526 	struct smc_link_group *lgr = link->lgr;
533 	down_write(&lgr->llc_conf_mutex);
535 		if (!smc_link_active(&lgr->lnk[i]))
537 		rc = smcr_link_reg_buf(&lgr->lnk[i], snd_desc);
541 	up_write(&lgr->llc_conf_mutex);
549 	struct smc_link_group *lgr = link->lgr;
553 	rc = smc_llc_flow_initiate(lgr, SMC_LLC_FLOW_RKEY);
557 	down_read(&lgr->llc_conf_mutex);
559 		if (!smc_link_active(&lgr->lnk[i]))
562 			up_read(&lgr->llc_conf_mutex);
573 	down_write(&lgr->llc_conf_mutex);
575 		if (!smc_link_active(&lgr->lnk[i]))
577 		rc = smcr_link_reg_buf(&lgr->lnk[i], rmb_desc);
590 	do_slow ? up_write(&lgr->llc_conf_mutex) : up_read(&lgr->llc_conf_mutex);
591 	smc_llc_flow_stop(lgr, &lgr->llc_flow_lcl);
606 	qentry = smc_llc_wait(link->lgr, NULL, 2 * SMC_LLC_WAIT_TIME,
617 	smc_llc_flow_qentry_del(&link->lgr->llc_flow_lcl);
646 	smcr_lgr_set_type(link->lgr, SMC_LGR_SINGLE);
648 	if (link->lgr->max_links > 1) {
650 		qentry = smc_llc_wait(link->lgr, NULL, SMC_LLC_WAIT_TIME,
661 		smc_llc_flow_qentry_clr(&link->lgr->llc_flow_lcl);
687 	if (smc->conn.lgr->is_smcd) {
688 		memcpy(smc->conn.lgr->negotiated_eid, clc->d1.eid,
692 		memcpy(smc->conn.lgr->negotiated_eid, clc->r1.eid,
697 	smc->conn.lgr->peer_os = fce->os_type;
698 	smc->conn.lgr->peer_smc_release = fce->release;
700 		memcpy(smc->conn.lgr->peer_hostname, fce->hostname,
732 	if (smc->conn.lgr->is_smcd)
988 	struct smc_link_group *lgr = conn->lgr;
996 		smc_lgr_cleanup_early(lgr);
1179 void smc_fill_gid_list(struct smc_link_group *lgr,
1192 	alt_ini->vlan_id = lgr->vlan_id;
1194 	alt_ini->smcrv2.saddr = lgr->saddr;
1195 	smc_pnet_find_alt_roce(lgr, alt_ini, known_dev);
1279 			struct smc_link *l = &smc->conn.lgr->lnk[i];
1337 			smc_fill_gid_list(link->lgr, &ini->smcrv2.gidlist,
1350 		smc_llc_flow_initiate(link->lgr, SMC_LLC_FLOW_ADD_LINK);
1352 		smc_llc_flow_stop(link->lgr, &link->lgr->llc_flow_lcl);
1424 	/* there is only one lgr role for SMC-D; use server lock */
1875 	qentry = smc_llc_wait(link->lgr, link, SMC_LLC_WAIT_TIME,
1886 	smc_llc_flow_qentry_del(&link->lgr->llc_flow_lcl);
1894 	smcr_lgr_set_type(link->lgr, SMC_LGR_SINGLE);
1896 	if (link->lgr->max_links > 1) {
1897 		down_write(&link->lgr->llc_conf_mutex);
1900 		up_write(&link->lgr->llc_conf_mutex);
2414 		smc_llc_flow_initiate(link->lgr, SMC_LLC_FLOW_ADD_LINK);
2416 		smc_llc_flow_stop(link->lgr, &link->lgr->llc_flow_lcl);