325 		struct qib_pportdata *ppd = dd->pport + pidx;  in subn_get_guidinfo()  local
326 		struct qib_ibport *ibp = &ppd->ibport_data;  in subn_get_guidinfo()
327 		__be64 g = ppd->guid;  in subn_get_guidinfo()
345 static void set_link_width_enabled(struct qib_pportdata *ppd, u32 w)  in set_link_width_enabled()  argument
347 	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LWID_ENB, w);  in set_link_width_enabled()
350 static void set_link_speed_enabled(struct qib_pportdata *ppd, u32 s)  in set_link_speed_enabled()  argument
352 	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_SPD_ENB, s);  in set_link_speed_enabled()
355 static int get_overrunthreshold(struct qib_pportdata *ppd)  in get_overrunthreshold()  argument
357 	return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_OVERRUN_THRESH);  in get_overrunthreshold()
367 static int set_overrunthreshold(struct qib_pportdata *ppd, unsigned n)  in set_overrunthreshold()  argument
369 	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OVERRUN_THRESH,  in set_overrunthreshold()
374 static int get_phyerrthreshold(struct qib_pportdata *ppd)  in get_phyerrthreshold()  argument
376 	return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_PHYERR_THRESH);  in get_phyerrthreshold()
386 static int set_phyerrthreshold(struct qib_pportdata *ppd, unsigned n)  in set_phyerrthreshold()  argument
388 	(void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PHYERR_THRESH,  in set_phyerrthreshold()
399 static int get_linkdowndefaultstate(struct qib_pportdata *ppd)  in get_linkdowndefaultstate()  argument
401 	return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT) ==  in get_linkdowndefaultstate()
455 	struct qib_pportdata *ppd;  in subn_get_portinfo()  local
483 	ppd = dd->pport + (port_num - 1);  in subn_get_portinfo()
484 	ibp = &ppd->ibport_data;  in subn_get_portinfo()
495 	pip->lid = cpu_to_be16(ppd->lid);  in subn_get_portinfo()
501 	pip->link_width_enabled = ppd->link_width_enabled;  in subn_get_portinfo()
502 	pip->link_width_supported = ppd->link_width_supported;  in subn_get_portinfo()
503 	pip->link_width_active = ppd->link_width_active;  in subn_get_portinfo()
504 	state = dd->f_iblink_state(ppd->lastibcstat);  in subn_get_portinfo()
505 	pip->linkspeed_portstate = ppd->link_speed_supported << 4 | state;  in subn_get_portinfo()
508 		(dd->f_ibphys_portstate(ppd->lastibcstat) << 4) |  in subn_get_portinfo()
509 		(get_linkdowndefaultstate(ppd) ? 1 : 2);  in subn_get_portinfo()
510 	pip->mkeyprot_resv_lmc = (ibp->mkeyprot << 6) | ppd->lmc;  in subn_get_portinfo()
511 	pip->linkspeedactive_enabled = (ppd->link_speed_active << 4) |  in subn_get_portinfo()
512 		ppd->link_speed_enabled;  in subn_get_portinfo()
513 	switch (ppd->ibmtu) {  in subn_get_portinfo()
532 	pip->vlcap_inittype = ppd->vls_supported << 4;  /* InitType = 0 */  in subn_get_portinfo()
535 		dd->f_get_ib_cfg(ppd, QIB_IB_CFG_VL_HIGH_CAP);  in subn_get_portinfo()
537 		dd->f_get_ib_cfg(ppd, QIB_IB_CFG_VL_LOW_CAP);  in subn_get_portinfo()
543 		dd->f_get_ib_cfg(ppd, QIB_IB_CFG_OP_VLS) << 4;  in subn_get_portinfo()
554 		(get_phyerrthreshold(ppd) << 4) |  in subn_get_portinfo()
555 		get_overrunthreshold(ppd);  in subn_get_portinfo()
560 		v = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_LINKLATENCY);  in subn_get_portinfo()
580 	struct qib_pportdata *ppd = dd->pport + port - 1;  in get_pkeys()  local
586 	struct qib_ctxtdata *rcd = dd->rcd[ppd->hw_pidx];  in get_pkeys()
628 		struct qib_pportdata *ppd = dd->pport + pidx;  in subn_set_guidinfo()  local
629 		struct qib_ibport *ibp = &ppd->ibport_data;  in subn_set_guidinfo()
656 	struct qib_pportdata *ppd;  in subn_set_portinfo()  local
682 	ppd = dd->pport + (port_num - 1);  in subn_set_portinfo()
683 	ibp = &ppd->ibport_data;  in subn_set_portinfo()
695 	else if (ppd->lid != lid || ppd->lmc != (pip->mkeyprot_resv_lmc & 7)) {  in subn_set_portinfo()
696 		if (ppd->lid != lid)  in subn_set_portinfo()
697 			qib_set_uevent_bits(ppd, _QIB_EVENT_LID_CHANGE_BIT);  in subn_set_portinfo()
698 		if (ppd->lmc != (pip->mkeyprot_resv_lmc & 7))  in subn_set_portinfo()
699 			qib_set_uevent_bits(ppd, _QIB_EVENT_LMC_CHANGE_BIT);  in subn_set_portinfo()
700 		qib_set_lid(ppd, lid, pip->mkeyprot_resv_lmc & 7);  in subn_set_portinfo()
731 			set_link_width_enabled(ppd, ppd->link_width_supported);  in subn_set_portinfo()
732 		else if (lwe >= 16 || (lwe & ~ppd->link_width_supported))  in subn_set_portinfo()
734 		else if (lwe != ppd->link_width_enabled)  in subn_set_portinfo()
735 			set_link_width_enabled(ppd, lwe);  in subn_set_portinfo()
746 			set_link_speed_enabled(ppd,  in subn_set_portinfo()
747 					       ppd->link_speed_supported);  in subn_set_portinfo()
748 		else if (lse >= 8 || (lse & ~ppd->link_speed_supported))  in subn_set_portinfo()
750 		else if (lse != ppd->link_speed_enabled)  in subn_set_portinfo()
751 			set_link_speed_enabled(ppd, lse);  in subn_set_portinfo()
759 		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT,  in subn_set_portinfo()
763 		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT,  in subn_set_portinfo()
772 	(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_VL_HIGH_LIMIT,  in subn_set_portinfo()
779 		qib_set_mtu(ppd, mtu);  in subn_set_portinfo()
784 		if (vls > ppd->vls_supported)  in subn_set_portinfo()
787 			(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OP_VLS, vls);  in subn_set_portinfo()
800 	if (set_phyerrthreshold(ppd, (ore >> 4) & 0xF))  in subn_set_portinfo()
803 	if (set_overrunthreshold(ppd, (ore & 0xF)))  in subn_set_portinfo()
841 		spin_lock_irqsave(&ppd->lflags_lock, flags);  in subn_set_portinfo()
842 		ppd->lflags &= ~QIBL_LINKV;  in subn_set_portinfo()
843 		spin_unlock_irqrestore(&ppd->lflags_lock, flags);  in subn_set_portinfo()
844 		qib_set_linkstate(ppd, lstate);  in subn_set_portinfo()
853 		qib_wait_linkstate(ppd, QIBL_LINKV, 10);  in subn_set_portinfo()
856 		qib_set_linkstate(ppd, QIB_IB_LINKARM);  in subn_set_portinfo()
859 		qib_set_linkstate(ppd, QIB_IB_LINKACTIVE);  in subn_set_portinfo()
893 static int rm_pkey(struct qib_pportdata *ppd, u16 key)  in rm_pkey()  argument
898 	for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {  in rm_pkey()
899 		if (ppd->pkeys[i] != key)  in rm_pkey()
901 		if (atomic_dec_and_test(&ppd->pkeyrefs[i])) {  in rm_pkey()
902 			ppd->pkeys[i] = 0;  in rm_pkey()
923 static int add_pkey(struct qib_pportdata *ppd, u16 key)  in add_pkey()  argument
936 	for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {  in add_pkey()
937 		if (!ppd->pkeys[i]) {  in add_pkey()
942 		if (ppd->pkeys[i] == key) {  in add_pkey()
943 			if (atomic_inc_return(&ppd->pkeyrefs[i]) > 1) {  in add_pkey()
948 			atomic_dec(&ppd->pkeyrefs[i]);  in add_pkey()
956 		if ((ppd->pkeys[i] & 0x7FFF) == lkey) {  in add_pkey()
965 	for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {  in add_pkey()
966 		if (!ppd->pkeys[i] &&  in add_pkey()
967 		    atomic_inc_return(&ppd->pkeyrefs[i]) == 1) {  in add_pkey()
969 			ppd->pkeys[i] = key;  in add_pkey()
988 	struct qib_pportdata *ppd;  in set_pkeys()  local
999 	ppd = dd->pport + (port - 1);  in set_pkeys()
1000 	rcd = dd->rcd[ppd->hw_pidx];  in set_pkeys()
1013 			changed |= rm_pkey(ppd, okey);  in set_pkeys()
1015 			int ret = add_pkey(ppd, key);  in set_pkeys()
1027 		(void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PKEYS, 0);  in set_pkeys()
1099 	struct qib_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port));  in subn_get_vl_arb()  local
1103 	if (ppd->vls_supported == IB_VL_VL0)  in subn_get_vl_arb()
1106 		(void) ppd->dd->f_get_ib_table(ppd, QIB_IB_TBL_VL_LOW_ARB,  in subn_get_vl_arb()
1109 		(void) ppd->dd->f_get_ib_table(ppd, QIB_IB_TBL_VL_HIGH_ARB,  in subn_get_vl_arb()
1121 	struct qib_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port));  in subn_set_vl_arb()  local
1123 	if (ppd->vls_supported == IB_VL_VL0)  in subn_set_vl_arb()
1126 		(void) ppd->dd->f_set_ib_table(ppd, QIB_IB_TBL_VL_LOW_ARB,  in subn_set_vl_arb()
1129 		(void) ppd->dd->f_set_ib_table(ppd, QIB_IB_TBL_VL_HIGH_ARB,  in subn_set_vl_arb()
1186 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_get_portsamplescontrol()  local
1198 	p->tick = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_PMA_TICKS);  in pma_get_portsamplescontrol()
1199 	p->sample_status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);  in pma_get_portsamplescontrol()
1224 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_set_portsamplescontrol()  local
1238 	xmit_flags = ppd->cong_stats.flags;  in pma_set_portsamplescontrol()
1239 	ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_SAMPLE;  in pma_set_portsamplescontrol()
1240 	status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);  in pma_set_portsamplescontrol()
1252 		dd->f_set_cntr_sample(ppd, ibp->pma_sample_interval,  in pma_set_portsamplescontrol()
1263 static u64 get_counter(struct qib_ibport *ibp, struct qib_pportdata *ppd,  in get_counter()  argument
1270 		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITDATA);  in get_counter()
1273 		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSRCVDATA);  in get_counter()
1276 		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITPKTS);  in get_counter()
1279 		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSRCVPKTS);  in get_counter()
1282 		ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITWAIT);  in get_counter()
1292 static u64 xmit_wait_get_value_delta(struct qib_pportdata *ppd)  in xmit_wait_get_value_delta()  argument
1296 	delta = get_counter(&ppd->ibport_data, ppd,  in xmit_wait_get_value_delta()
1298 	return ppd->cong_stats.counter + delta;  in xmit_wait_get_value_delta()
1301 static void cache_hw_sample_counters(struct qib_pportdata *ppd)  in cache_hw_sample_counters()  argument
1303 	struct qib_ibport *ibp = &ppd->ibport_data;  in cache_hw_sample_counters()
1305 	ppd->cong_stats.counter_cache.psxmitdata =  in cache_hw_sample_counters()
1306 		get_counter(ibp, ppd, IB_PMA_PORT_XMIT_DATA);  in cache_hw_sample_counters()
1307 	ppd->cong_stats.counter_cache.psrcvdata =  in cache_hw_sample_counters()
1308 		get_counter(ibp, ppd, IB_PMA_PORT_RCV_DATA);  in cache_hw_sample_counters()
1309 	ppd->cong_stats.counter_cache.psxmitpkts =  in cache_hw_sample_counters()
1310 		get_counter(ibp, ppd, IB_PMA_PORT_XMIT_PKTS);  in cache_hw_sample_counters()
1311 	ppd->cong_stats.counter_cache.psrcvpkts =  in cache_hw_sample_counters()
1312 		get_counter(ibp, ppd, IB_PMA_PORT_RCV_PKTS);  in cache_hw_sample_counters()
1313 	ppd->cong_stats.counter_cache.psxmitwait =  in cache_hw_sample_counters()
1314 		get_counter(ibp, ppd, IB_PMA_PORT_XMIT_WAIT);  in cache_hw_sample_counters()
1317 static u64 get_cache_hw_sample_counters(struct qib_pportdata *ppd,  in get_cache_hw_sample_counters()  argument
1324 		ret = ppd->cong_stats.counter_cache.psxmitdata;  in get_cache_hw_sample_counters()
1327 		ret = ppd->cong_stats.counter_cache.psrcvdata;  in get_cache_hw_sample_counters()
1330 		ret = ppd->cong_stats.counter_cache.psxmitpkts;  in get_cache_hw_sample_counters()
1333 		ret = ppd->cong_stats.counter_cache.psrcvpkts;  in get_cache_hw_sample_counters()
1336 		ret = ppd->cong_stats.counter_cache.psxmitwait;  in get_cache_hw_sample_counters()
1353 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_get_portsamplesresult()  local
1361 	if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_TIMER)  in pma_get_portsamplesresult()
1364 		status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);  in pma_get_portsamplesresult()
1367 			cache_hw_sample_counters(ppd);  in pma_get_portsamplesresult()
1368 			ppd->cong_stats.counter =  in pma_get_portsamplesresult()
1369 				xmit_wait_get_value_delta(ppd);  in pma_get_portsamplesresult()
1370 			dd->f_set_cntr_sample(ppd,  in pma_get_portsamplesresult()
1372 			ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER;  in pma_get_portsamplesresult()
1378 				ppd, ibp->pma_counter_select[i]));  in pma_get_portsamplesresult()
1392 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_get_portsamplesresult_ext()  local
1401 	if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_TIMER)  in pma_get_portsamplesresult_ext()
1404 		status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);  in pma_get_portsamplesresult_ext()
1409 			cache_hw_sample_counters(ppd);  in pma_get_portsamplesresult_ext()
1410 			ppd->cong_stats.counter =  in pma_get_portsamplesresult_ext()
1411 				xmit_wait_get_value_delta(ppd);  in pma_get_portsamplesresult_ext()
1412 			dd->f_set_cntr_sample(ppd,  in pma_get_portsamplesresult_ext()
1414 			ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER;  in pma_get_portsamplesresult_ext()
1420 				ppd, ibp->pma_counter_select[i]));  in pma_get_portsamplesresult_ext()
1432 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_get_portcounters()  local
1436 	qib_get_counters(ppd, &cntrs);  in pma_get_portcounters()
1532 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_get_portcounters_cong()  local
1533 	struct qib_devdata *dd = dd_from_ppd(ppd);  in pma_get_portcounters_cong()
1547 	qib_get_counters(ppd, &cntrs);  in pma_get_portcounters_cong()
1548 	spin_lock_irqsave(&ppd->ibport_data.lock, flags);  in pma_get_portcounters_cong()
1549 	xmit_wait_counter = xmit_wait_get_value_delta(ppd);  in pma_get_portcounters_cong()
1550 	spin_unlock_irqrestore(&ppd->ibport_data.lock, flags);  in pma_get_portcounters_cong()
1660 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_get_portcounters_ext()  local
1673 	qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait);  in pma_get_portcounters_ext()
1707 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_set_portcounters()  local
1714 	qib_get_counters(ppd, &cntrs);  in pma_set_portcounters()
1768 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_set_portcounters_cong()  local
1769 	struct qib_devdata *dd = dd_from_ppd(ppd);  in pma_set_portcounters_cong()
1775 	qib_get_counters(ppd, &cntrs);  in pma_set_portcounters_cong()
1780 		spin_lock_irqsave(&ppd->ibport_data.lock, flags);  in pma_set_portcounters_cong()
1781 		ppd->cong_stats.counter = 0;  in pma_set_portcounters_cong()
1782 		dd->f_set_cntr_sample(ppd, QIB_CONG_TIMER_PSINTERVAL,  in pma_set_portcounters_cong()
1784 		spin_unlock_irqrestore(&ppd->ibport_data.lock, flags);  in pma_set_portcounters_cong()
1821 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in pma_set_portcounters_ext()  local
1825 	qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait);  in pma_set_portcounters_ext()
1862 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in process_subn()  local
1992 			ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PORT,  in process_subn()
2117 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in cc_get_congestion_info()  local
2122 	p->control_table_cap = ppd->cc_max_table_entries;  in cc_get_congestion_info()
2134 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in cc_get_congestion_setting()  local
2139 	spin_lock(&ppd->cc_shadow_lock);  in cc_get_congestion_setting()
2141 	entries = ppd->congestion_entries_shadow->entries;  in cc_get_congestion_setting()
2143 		ppd->congestion_entries_shadow->port_control);  in cc_get_congestion_setting()
2145 		ppd->congestion_entries_shadow->control_map);  in cc_get_congestion_setting()
2153 	spin_unlock(&ppd->cc_shadow_lock);  in cc_get_congestion_setting()
2164 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in cc_get_congestion_control_table()  local
2177 	spin_lock(&ppd->cc_shadow_lock);  in cc_get_congestion_control_table()
2180 		(ppd->ccti_entries_shadow->ccti_last_entry + 1)/IB_CCT_ENTRIES;  in cc_get_congestion_control_table()
2184 		spin_unlock(&ppd->cc_shadow_lock);  in cc_get_congestion_control_table()
2196 	entries = &ppd->ccti_entries_shadow->  in cc_get_congestion_control_table()
2203 	spin_unlock(&ppd->cc_shadow_lock);  in cc_get_congestion_control_table()
2217 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in cc_set_congestion_setting()  local
2220 	ppd->cc_sl_control_map = be16_to_cpu(p->control_map);  in cc_set_congestion_setting()
2223 		ppd->congestion_entries[i].ccti_increase =  in cc_set_congestion_setting()
2226 		ppd->congestion_entries[i].ccti_timer =  in cc_set_congestion_setting()
2229 		ppd->congestion_entries[i].trigger_threshold =  in cc_set_congestion_setting()
2232 		ppd->congestion_entries[i].ccti_min =  in cc_set_congestion_setting()
2245 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in cc_set_congestion_control_table()  local
2259 		ppd->total_cct_entry = 0;  in cc_set_congestion_control_table()
2264 	ppd->total_cct_entry += (cct_entry + 1);  in cc_set_congestion_control_table()
2266 	if (ppd->total_cct_entry > ppd->cc_supported_table_entries)  in cc_set_congestion_control_table()
2269 	ppd->ccti_limit = be16_to_cpu(p->ccti_limit);  in cc_set_congestion_control_table()
2271 	entries = ppd->ccti_entries + (IB_CCT_ENTRIES * cct_block_index);  in cc_set_congestion_control_table()
2276 	spin_lock(&ppd->cc_shadow_lock);  in cc_set_congestion_control_table()
2278 	ppd->ccti_entries_shadow->ccti_last_entry = ppd->total_cct_entry - 1;  in cc_set_congestion_control_table()
2279 	memcpy(ppd->ccti_entries_shadow->entries, ppd->ccti_entries,  in cc_set_congestion_control_table()
2280 		(ppd->total_cct_entry * sizeof(struct ib_cc_table_entry)));  in cc_set_congestion_control_table()
2282 	ppd->congestion_entries_shadow->port_control = IB_CC_CCS_PC_SL_BASED;  in cc_set_congestion_control_table()
2283 	ppd->congestion_entries_shadow->control_map = ppd->cc_sl_control_map;  in cc_set_congestion_control_table()
2284 	memcpy(ppd->congestion_entries_shadow->entries, ppd->congestion_entries,  in cc_set_congestion_control_table()
2287 	spin_unlock(&ppd->cc_shadow_lock);  in cc_set_congestion_control_table()
2408 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);  in qib_process_mad()  local
2421 		if (!ppd->congestion_entries_shadow ||  in qib_process_mad()
2445 	struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;  in xmit_wait_timer_func()  local
2446 	struct qib_devdata *dd = dd_from_ppd(ppd);  in xmit_wait_timer_func()
2450 	spin_lock_irqsave(&ppd->ibport_data.lock, flags);  in xmit_wait_timer_func()
2451 	if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_SAMPLE) {  in xmit_wait_timer_func()
2452 		status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT);  in xmit_wait_timer_func()
2455 			cache_hw_sample_counters(ppd);  in xmit_wait_timer_func()
2456 			ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER;  in xmit_wait_timer_func()
2460 	ppd->cong_stats.counter = xmit_wait_get_value_delta(ppd);  in xmit_wait_timer_func()
2461 	dd->f_set_cntr_sample(ppd, QIB_CONG_TIMER_PSINTERVAL, 0x0);  in xmit_wait_timer_func()
2463 	spin_unlock_irqrestore(&ppd->ibport_data.lock, flags);  in xmit_wait_timer_func()
2464 	mod_timer(&ppd->cong_stats.timer, jiffies + HZ);  in xmit_wait_timer_func()