/* * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * * Linux driver for Brocade Fibre Channel Host Bus Adapter. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License (GPL) Version 2 as * published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #include #include #include #include #include #include #include BFA_TRC_FILE(HAL, PPORT); BFA_MODULE(pport); /* * The port is considered disabled if corresponding physical port or IOC are * disabled explicitly */ #define BFA_PORT_IS_DISABLED(bfa) \ ((bfa_pport_is_disabled(bfa) == BFA_TRUE) || \ (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE)) /* * forward declarations */ static bfa_boolean_t bfa_pport_send_enable(struct bfa_pport_s *port); static bfa_boolean_t bfa_pport_send_disable(struct bfa_pport_s *port); static void bfa_pport_update_linkinfo(struct bfa_pport_s *pport); static void bfa_pport_reset_linkinfo(struct bfa_pport_s *pport); static void bfa_pport_set_wwns(struct bfa_pport_s *port); static void __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete); static void __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete); static void __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete); static void bfa_port_stats_timeout(void *cbarg); static void bfa_port_stats_clr_timeout(void *cbarg); static void bfa_pport_callback(struct bfa_pport_s *pport, enum bfa_pport_linkstate event); static void bfa_pport_queue_cb(struct bfa_pport_ln_s *ln, enum bfa_pport_linkstate event); /** * bfa_pport_private */ /** * BFA port state machine events */ enum bfa_pport_sm_event { BFA_PPORT_SM_START = 1, /* start port state machine */ BFA_PPORT_SM_STOP = 2, /* stop port state machine */ BFA_PPORT_SM_ENABLE = 3, /* enable port */ BFA_PPORT_SM_DISABLE = 4, /* disable port state machine */ BFA_PPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */ BFA_PPORT_SM_LINKUP = 6, /* firmware linkup event */ BFA_PPORT_SM_LINKDOWN = 7, /* firmware linkup down */ BFA_PPORT_SM_QRESUME = 8, /* CQ space available */ BFA_PPORT_SM_HWFAIL = 9, /* IOC h/w failure */ }; /** * BFA port link notification state machine events */ enum bfa_pport_ln_sm_event { BFA_PPORT_LN_SM_LINKUP = 1, /* linkup event */ BFA_PPORT_LN_SM_LINKDOWN = 2, /* linkdown event */ BFA_PPORT_LN_SM_NOTIFICATION = 3 /* done notification */ }; static void bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_enabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_linkup(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_disabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_disabled(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event); static void bfa_pport_ln_sm_dn(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static void bfa_pport_ln_sm_dn_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static void bfa_pport_ln_sm_dn_up_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static void bfa_pport_ln_sm_up(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static void bfa_pport_ln_sm_up_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static void bfa_pport_ln_sm_up_dn_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static void bfa_pport_ln_sm_up_dn_up_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event); static struct bfa_sm_table_s hal_pport_sm_table[] = { {BFA_SM(bfa_pport_sm_uninit), BFA_PPORT_ST_UNINIT}, {BFA_SM(bfa_pport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT}, {BFA_SM(bfa_pport_sm_enabling), BFA_PPORT_ST_ENABLING}, {BFA_SM(bfa_pport_sm_linkdown), BFA_PPORT_ST_LINKDOWN}, {BFA_SM(bfa_pport_sm_linkup), BFA_PPORT_ST_LINKUP}, {BFA_SM(bfa_pport_sm_disabling_qwait), BFA_PPORT_ST_DISABLING_QWAIT}, {BFA_SM(bfa_pport_sm_disabling), BFA_PPORT_ST_DISABLING}, {BFA_SM(bfa_pport_sm_disabled), BFA_PPORT_ST_DISABLED}, {BFA_SM(bfa_pport_sm_stopped), BFA_PPORT_ST_STOPPED}, {BFA_SM(bfa_pport_sm_iocdown), BFA_PPORT_ST_IOCDOWN}, {BFA_SM(bfa_pport_sm_iocfail), BFA_PPORT_ST_IOCDOWN}, }; static void bfa_pport_aen_post(struct bfa_pport_s *pport, enum bfa_port_aen_event event) { union bfa_aen_data_u aen_data; struct bfa_log_mod_s *logmod = pport->bfa->logm; wwn_t pwwn = pport->pwwn; char pwwn_ptr[BFA_STRING_32]; struct bfa_ioc_attr_s ioc_attr; wwn2str(pwwn_ptr, pwwn); switch (event) { case BFA_PORT_AEN_ONLINE: bfa_log(logmod, BFA_AEN_PORT_ONLINE, pwwn_ptr); break; case BFA_PORT_AEN_OFFLINE: bfa_log(logmod, BFA_AEN_PORT_OFFLINE, pwwn_ptr); break; case BFA_PORT_AEN_ENABLE: bfa_log(logmod, BFA_AEN_PORT_ENABLE, pwwn_ptr); break; case BFA_PORT_AEN_DISABLE: bfa_log(logmod, BFA_AEN_PORT_DISABLE, pwwn_ptr); break; case BFA_PORT_AEN_DISCONNECT: bfa_log(logmod, BFA_AEN_PORT_DISCONNECT, pwwn_ptr); break; case BFA_PORT_AEN_QOS_NEG: bfa_log(logmod, BFA_AEN_PORT_QOS_NEG, pwwn_ptr); break; default: break; } bfa_ioc_get_attr(&pport->bfa->ioc, &ioc_attr); aen_data.port.ioc_type = ioc_attr.ioc_type; aen_data.port.pwwn = pwwn; } static void bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_START: /** * Start event after IOC is configured and BFA is started. */ if (bfa_pport_send_enable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_enabling); else bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); break; case BFA_PPORT_SM_ENABLE: /** * Port is persistently configured to be in enabled state. Do * not change state. Port enabling is done when START event is * received. */ break; case BFA_PPORT_SM_DISABLE: /** * If a port is persistently configured to be disabled, the * first event will a port disable request. */ bfa_sm_set_state(pport, bfa_pport_sm_disabled); break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocdown); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_QRESUME: bfa_sm_set_state(pport, bfa_pport_sm_enabling); bfa_pport_send_enable(pport); break; case BFA_PPORT_SM_STOP: bfa_reqq_wcancel(&pport->reqq_wait); bfa_sm_set_state(pport, bfa_pport_sm_stopped); break; case BFA_PPORT_SM_ENABLE: /** * Already enable is in progress. */ break; case BFA_PPORT_SM_DISABLE: /** * Just send disable request to firmware when room becomes * available in request queue. */ bfa_sm_set_state(pport, bfa_pport_sm_disabled); bfa_reqq_wcancel(&pport->reqq_wait); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); break; case BFA_PPORT_SM_LINKUP: case BFA_PPORT_SM_LINKDOWN: /** * Possible to get link events when doing back-to-back * enable/disables. */ break; case BFA_PPORT_SM_HWFAIL: bfa_reqq_wcancel(&pport->reqq_wait); bfa_sm_set_state(pport, bfa_pport_sm_iocdown); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_enabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_FWRSP: case BFA_PPORT_SM_LINKDOWN: bfa_sm_set_state(pport, bfa_pport_sm_linkdown); break; case BFA_PPORT_SM_LINKUP: bfa_pport_update_linkinfo(pport); bfa_sm_set_state(pport, bfa_pport_sm_linkup); bfa_assert(pport->event_cbfn); bfa_pport_callback(pport, BFA_PPORT_LINKUP); break; case BFA_PPORT_SM_ENABLE: /** * Already being enabled. */ break; case BFA_PPORT_SM_DISABLE: if (bfa_pport_send_disable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_disabling); else bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); break; case BFA_PPORT_SM_STOP: bfa_sm_set_state(pport, bfa_pport_sm_stopped); break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocdown); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_LINKUP: bfa_pport_update_linkinfo(pport); bfa_sm_set_state(pport, bfa_pport_sm_linkup); bfa_assert(pport->event_cbfn); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup"); bfa_pport_callback(pport, BFA_PPORT_LINKUP); bfa_pport_aen_post(pport, BFA_PORT_AEN_ONLINE); /** * If QoS is enabled and it is not online, * Send a separate event. */ if ((pport->cfg.qos_enabled) && (bfa_os_ntohl(pport->qos_attr.state) != BFA_QOS_ONLINE)) bfa_pport_aen_post(pport, BFA_PORT_AEN_QOS_NEG); break; case BFA_PPORT_SM_LINKDOWN: /** * Possible to get link down event. */ break; case BFA_PPORT_SM_ENABLE: /** * Already enabled. */ break; case BFA_PPORT_SM_DISABLE: if (bfa_pport_send_disable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_disabling); else bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); break; case BFA_PPORT_SM_STOP: bfa_sm_set_state(pport, bfa_pport_sm_stopped); break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocdown); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_linkup(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_ENABLE: /** * Already enabled. */ break; case BFA_PPORT_SM_DISABLE: if (bfa_pport_send_disable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_disabling); else bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait); bfa_pport_reset_linkinfo(pport); bfa_pport_callback(pport, BFA_PPORT_LINKDOWN); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); break; case BFA_PPORT_SM_LINKDOWN: bfa_sm_set_state(pport, bfa_pport_sm_linkdown); bfa_pport_reset_linkinfo(pport); bfa_pport_callback(pport, BFA_PPORT_LINKDOWN); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown"); if (BFA_PORT_IS_DISABLED(pport->bfa)) bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); else bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT); break; case BFA_PPORT_SM_STOP: bfa_sm_set_state(pport, bfa_pport_sm_stopped); bfa_pport_reset_linkinfo(pport); if (BFA_PORT_IS_DISABLED(pport->bfa)) bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); else bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT); break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocdown); bfa_pport_reset_linkinfo(pport); bfa_pport_callback(pport, BFA_PPORT_LINKDOWN); if (BFA_PORT_IS_DISABLED(pport->bfa)) bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); else bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_QRESUME: bfa_sm_set_state(pport, bfa_pport_sm_disabling); bfa_pport_send_disable(pport); break; case BFA_PPORT_SM_STOP: bfa_sm_set_state(pport, bfa_pport_sm_stopped); bfa_reqq_wcancel(&pport->reqq_wait); break; case BFA_PPORT_SM_DISABLE: /** * Already being disabled. */ break; case BFA_PPORT_SM_LINKUP: case BFA_PPORT_SM_LINKDOWN: /** * Possible to get link events when doing back-to-back * enable/disables. */ break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocfail); bfa_reqq_wcancel(&pport->reqq_wait); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_disabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_FWRSP: bfa_sm_set_state(pport, bfa_pport_sm_disabled); break; case BFA_PPORT_SM_DISABLE: /** * Already being disabled. */ break; case BFA_PPORT_SM_ENABLE: if (bfa_pport_send_enable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_enabling); else bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE); break; case BFA_PPORT_SM_STOP: bfa_sm_set_state(pport, bfa_pport_sm_stopped); break; case BFA_PPORT_SM_LINKUP: case BFA_PPORT_SM_LINKDOWN: /** * Possible to get link events when doing back-to-back * enable/disables. */ break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocfail); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_disabled(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_START: /** * Ignore start event for a port that is disabled. */ break; case BFA_PPORT_SM_STOP: bfa_sm_set_state(pport, bfa_pport_sm_stopped); break; case BFA_PPORT_SM_ENABLE: if (bfa_pport_send_enable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_enabling); else bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE); break; case BFA_PPORT_SM_DISABLE: /** * Already disabled. */ break; case BFA_PPORT_SM_HWFAIL: bfa_sm_set_state(pport, bfa_pport_sm_iocfail); break; default: bfa_sm_fault(pport->bfa, event); } } static void bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_START: if (bfa_pport_send_enable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_enabling); else bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); break; default: /** * Ignore all other events. */ ; } } /** * Port is enabled. IOC is down/failed. */ static void bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_START: if (bfa_pport_send_enable(pport)) bfa_sm_set_state(pport, bfa_pport_sm_enabling); else bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); break; default: /** * Ignore all events. */ ; } } /** * Port is disabled. IOC is down/failed. */ static void bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) { bfa_trc(pport->bfa, event); switch (event) { case BFA_PPORT_SM_START: bfa_sm_set_state(pport, bfa_pport_sm_disabled); break; case BFA_PPORT_SM_ENABLE: bfa_sm_set_state(pport, bfa_pport_sm_iocdown); break; default: /** * Ignore all events. */ ; } } /** * Link state is down */ static void bfa_pport_ln_sm_dn(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKUP: bfa_sm_set_state(ln, bfa_pport_ln_sm_up_nf); bfa_pport_queue_cb(ln, BFA_PPORT_LINKUP); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * Link state is waiting for down notification */ static void bfa_pport_ln_sm_dn_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKUP: bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_up_nf); break; case BFA_PPORT_LN_SM_NOTIFICATION: bfa_sm_set_state(ln, bfa_pport_ln_sm_dn); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * Link state is waiting for down notification and there is a pending up */ static void bfa_pport_ln_sm_dn_up_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKDOWN: bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_nf); break; case BFA_PPORT_LN_SM_NOTIFICATION: bfa_sm_set_state(ln, bfa_pport_ln_sm_up_nf); bfa_pport_queue_cb(ln, BFA_PPORT_LINKUP); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * Link state is up */ static void bfa_pport_ln_sm_up(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKDOWN: bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_nf); bfa_pport_queue_cb(ln, BFA_PPORT_LINKDOWN); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * Link state is waiting for up notification */ static void bfa_pport_ln_sm_up_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKDOWN: bfa_sm_set_state(ln, bfa_pport_ln_sm_up_dn_nf); break; case BFA_PPORT_LN_SM_NOTIFICATION: bfa_sm_set_state(ln, bfa_pport_ln_sm_up); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * Link state is waiting for up notification and there is a pending down */ static void bfa_pport_ln_sm_up_dn_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKUP: bfa_sm_set_state(ln, bfa_pport_ln_sm_up_dn_up_nf); break; case BFA_PPORT_LN_SM_NOTIFICATION: bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_nf); bfa_pport_queue_cb(ln, BFA_PPORT_LINKDOWN); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * Link state is waiting for up notification and there are pending down and up */ static void bfa_pport_ln_sm_up_dn_up_nf(struct bfa_pport_ln_s *ln, enum bfa_pport_ln_sm_event event) { bfa_trc(ln->pport->bfa, event); switch (event) { case BFA_PPORT_LN_SM_LINKDOWN: bfa_sm_set_state(ln, bfa_pport_ln_sm_up_dn_nf); break; case BFA_PPORT_LN_SM_NOTIFICATION: bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_up_nf); bfa_pport_queue_cb(ln, BFA_PPORT_LINKDOWN); break; default: bfa_sm_fault(ln->pport->bfa, event); } } /** * bfa_pport_private */ static void __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete) { struct bfa_pport_ln_s *ln = cbarg; if (complete) ln->pport->event_cbfn(ln->pport->event_cbarg, ln->ln_event); else bfa_sm_send_event(ln, BFA_PPORT_LN_SM_NOTIFICATION); } #define PPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), \ BFA_CACHELINE_SZ)) static void bfa_pport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len) { *dm_len += PPORT_STATS_DMA_SZ; } static void bfa_pport_qresume(void *cbarg) { struct bfa_pport_s *port = cbarg; bfa_sm_send_event(port, BFA_PPORT_SM_QRESUME); } static void bfa_pport_mem_claim(struct bfa_pport_s *pport, struct bfa_meminfo_s *meminfo) { u8 *dm_kva; u64 dm_pa; dm_kva = bfa_meminfo_dma_virt(meminfo); dm_pa = bfa_meminfo_dma_phys(meminfo); pport->stats_kva = dm_kva; pport->stats_pa = dm_pa; pport->stats = (union bfa_pport_stats_u *)dm_kva; dm_kva += PPORT_STATS_DMA_SZ; dm_pa += PPORT_STATS_DMA_SZ; bfa_meminfo_dma_virt(meminfo) = dm_kva; bfa_meminfo_dma_phys(meminfo) = dm_pa; } /** * Memory initialization. */ static void bfa_pport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); struct bfa_pport_cfg_s *port_cfg = &pport->cfg; struct bfa_pport_ln_s *ln = &pport->ln; bfa_os_memset(pport, 0, sizeof(struct bfa_pport_s)); pport->bfa = bfa; ln->pport = pport; bfa_pport_mem_claim(pport, meminfo); bfa_sm_set_state(pport, bfa_pport_sm_uninit); bfa_sm_set_state(ln, bfa_pport_ln_sm_dn); /** * initialize and set default configuration */ port_cfg->topology = BFA_PPORT_TOPOLOGY_P2P; port_cfg->speed = BFA_PPORT_SPEED_AUTO; port_cfg->trunked = BFA_FALSE; port_cfg->maxfrsize = 0; port_cfg->trl_def_speed = BFA_PPORT_SPEED_1GBPS; bfa_reqq_winit(&pport->reqq_wait, bfa_pport_qresume, pport); } static void bfa_pport_initdone(struct bfa_s *bfa) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); /** * Initialize port attributes from IOC hardware data. */ bfa_pport_set_wwns(pport); if (pport->cfg.maxfrsize == 0) pport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc); pport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc); pport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc); bfa_assert(pport->cfg.maxfrsize); bfa_assert(pport->cfg.rx_bbcredit); bfa_assert(pport->speed_sup); } static void bfa_pport_detach(struct bfa_s *bfa) { } /** * Called when IOC is ready. */ static void bfa_pport_start(struct bfa_s *bfa) { bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_START); } /** * Called before IOC is stopped. */ static void bfa_pport_stop(struct bfa_s *bfa) { bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_STOP); } /** * Called when IOC failure is detected. */ static void bfa_pport_iocdisable(struct bfa_s *bfa) { bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_HWFAIL); } static void bfa_pport_update_linkinfo(struct bfa_pport_s *pport) { struct bfi_pport_event_s *pevent = pport->event_arg.i2hmsg.event; pport->speed = pevent->link_state.speed; pport->topology = pevent->link_state.topology; if (pport->topology == BFA_PPORT_TOPOLOGY_LOOP) pport->myalpa = pevent->link_state.tl.loop_info.myalpa; /* * QoS Details */ bfa_os_assign(pport->qos_attr, pevent->link_state.qos_attr); bfa_os_assign(pport->qos_vc_attr, pevent->link_state.qos_vc_attr); bfa_trc(pport->bfa, pport->speed); bfa_trc(pport->bfa, pport->topology); } static void bfa_pport_reset_linkinfo(struct bfa_pport_s *pport) { pport->speed = BFA_PPORT_SPEED_UNKNOWN; pport->topology = BFA_PPORT_TOPOLOGY_NONE; } /** * Send port enable message to firmware. */ static bfa_boolean_t bfa_pport_send_enable(struct bfa_pport_s *port) { struct bfi_pport_enable_req_s *m; /** * Increment message tag before queue check, so that responses to old * requests are discarded. */ port->msgtag++; /** * check for room in queue to send request now */ m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); if (!m) { bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait); return BFA_FALSE; } bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_ENABLE_REQ, bfa_lpuid(port->bfa)); m->nwwn = port->nwwn; m->pwwn = port->pwwn; m->port_cfg = port->cfg; m->msgtag = port->msgtag; m->port_cfg.maxfrsize = bfa_os_htons(port->cfg.maxfrsize); bfa_dma_be_addr_set(m->stats_dma_addr, port->stats_pa); bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_lo); bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_hi); /** * queue I/O message to firmware */ bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); return BFA_TRUE; } /** * Send port disable message to firmware. */ static bfa_boolean_t bfa_pport_send_disable(struct bfa_pport_s *port) { bfi_pport_disable_req_t *m; /** * Increment message tag before queue check, so that responses to old * requests are discarded. */ port->msgtag++; /** * check for room in queue to send request now */ m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); if (!m) { bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait); return BFA_FALSE; } bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_DISABLE_REQ, bfa_lpuid(port->bfa)); m->msgtag = port->msgtag; /** * queue I/O message to firmware */ bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); return BFA_TRUE; } static void bfa_pport_set_wwns(struct bfa_pport_s *port) { port->pwwn = bfa_ioc_get_pwwn(&port->bfa->ioc); port->nwwn = bfa_ioc_get_nwwn(&port->bfa->ioc); bfa_trc(port->bfa, port->pwwn); bfa_trc(port->bfa, port->nwwn); } static void bfa_port_send_txcredit(void *port_cbarg) { struct bfa_pport_s *port = port_cbarg; struct bfi_pport_set_svc_params_req_s *m; /** * check for room in queue to send request now */ m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); if (!m) { bfa_trc(port->bfa, port->cfg.tx_bbcredit); return; } bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_SET_SVC_PARAMS_REQ, bfa_lpuid(port->bfa)); m->tx_bbcredit = bfa_os_htons((u16) port->cfg.tx_bbcredit); /** * queue I/O message to firmware */ bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); } /** * bfa_pport_public */ /** * Firmware message handler. */ void bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); union bfi_pport_i2h_msg_u i2hmsg; i2hmsg.msg = msg; pport->event_arg.i2hmsg = i2hmsg; switch (msg->mhdr.msg_id) { case BFI_PPORT_I2H_ENABLE_RSP: if (pport->msgtag == i2hmsg.enable_rsp->msgtag) bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP); break; case BFI_PPORT_I2H_DISABLE_RSP: if (pport->msgtag == i2hmsg.enable_rsp->msgtag) bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP); break; case BFI_PPORT_I2H_EVENT: switch (i2hmsg.event->link_state.linkstate) { case BFA_PPORT_LINKUP: bfa_sm_send_event(pport, BFA_PPORT_SM_LINKUP); break; case BFA_PPORT_LINKDOWN: bfa_sm_send_event(pport, BFA_PPORT_SM_LINKDOWN); break; case BFA_PPORT_TRUNK_LINKDOWN: /** todo: event notification */ break; } break; case BFI_PPORT_I2H_GET_STATS_RSP: case BFI_PPORT_I2H_GET_QOS_STATS_RSP: /* * check for timer pop before processing the rsp */ if (pport->stats_busy == BFA_FALSE || pport->stats_status == BFA_STATUS_ETIMER) break; bfa_timer_stop(&pport->timer); pport->stats_status = i2hmsg.getstats_rsp->status; bfa_cb_queue(pport->bfa, &pport->hcb_qe, __bfa_cb_port_stats, pport); break; case BFI_PPORT_I2H_CLEAR_STATS_RSP: case BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP: /* * check for timer pop before processing the rsp */ if (pport->stats_busy == BFA_FALSE || pport->stats_status == BFA_STATUS_ETIMER) break; bfa_timer_stop(&pport->timer); pport->stats_status = BFA_STATUS_OK; bfa_cb_queue(pport->bfa, &pport->hcb_qe, __bfa_cb_port_stats_clr, pport); break; default: bfa_assert(0); } } /** * bfa_pport_api */ /** * Registered callback for port events. */ void bfa_pport_event_register(struct bfa_s *bfa, void (*cbfn) (void *cbarg, bfa_pport_event_t event), void *cbarg) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); pport->event_cbfn = cbfn; pport->event_cbarg = cbarg; } bfa_status_t bfa_pport_enable(struct bfa_s *bfa) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); if (pport->diag_busy) return BFA_STATUS_DIAG_BUSY; else if (bfa_sm_cmp_state (BFA_PORT_MOD(bfa), bfa_pport_sm_disabling_qwait)) return BFA_STATUS_DEVBUSY; bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_ENABLE); return BFA_STATUS_OK; } bfa_status_t bfa_pport_disable(struct bfa_s *bfa) { bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_DISABLE); return BFA_STATUS_OK; } /** * Configure port speed. */ bfa_status_t bfa_pport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, speed); if ((speed != BFA_PPORT_SPEED_AUTO) && (speed > pport->speed_sup)) { bfa_trc(bfa, pport->speed_sup); return BFA_STATUS_UNSUPP_SPEED; } pport->cfg.speed = speed; return BFA_STATUS_OK; } /** * Get current speed. */ enum bfa_pport_speed bfa_pport_get_speed(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return port->speed; } /** * Configure port topology. */ bfa_status_t bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, topology); bfa_trc(bfa, pport->cfg.topology); switch (topology) { case BFA_PPORT_TOPOLOGY_P2P: case BFA_PPORT_TOPOLOGY_LOOP: case BFA_PPORT_TOPOLOGY_AUTO: break; default: return BFA_STATUS_EINVAL; } pport->cfg.topology = topology; return BFA_STATUS_OK; } /** * Get current topology. */ enum bfa_pport_topology bfa_pport_get_topology(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return port->topology; } bfa_status_t bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, alpa); bfa_trc(bfa, pport->cfg.cfg_hardalpa); bfa_trc(bfa, pport->cfg.hardalpa); pport->cfg.cfg_hardalpa = BFA_TRUE; pport->cfg.hardalpa = alpa; return BFA_STATUS_OK; } bfa_status_t bfa_pport_clr_hardalpa(struct bfa_s *bfa) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, pport->cfg.cfg_hardalpa); bfa_trc(bfa, pport->cfg.hardalpa); pport->cfg.cfg_hardalpa = BFA_FALSE; return BFA_STATUS_OK; } bfa_boolean_t bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); *alpa = port->cfg.hardalpa; return port->cfg.cfg_hardalpa; } u8 bfa_pport_get_myalpa(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return port->myalpa; } bfa_status_t bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, maxfrsize); bfa_trc(bfa, pport->cfg.maxfrsize); /* * with in range */ if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ)) return BFA_STATUS_INVLD_DFSZ; /* * power of 2, if not the max frame size of 2112 */ if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1))) return BFA_STATUS_INVLD_DFSZ; pport->cfg.maxfrsize = maxfrsize; return BFA_STATUS_OK; } u16 bfa_pport_get_maxfrsize(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return port->cfg.maxfrsize; } u32 bfa_pport_mypid(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return port->mypid; } u8 bfa_pport_get_rx_bbcredit(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return port->cfg.rx_bbcredit; } void bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); port->cfg.tx_bbcredit = (u8) tx_bbcredit; bfa_port_send_txcredit(port); } /** * Get port attributes. */ wwn_t bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); if (node) return pport->nwwn; else return pport->pwwn; } void bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_os_memset(attr, 0, sizeof(struct bfa_pport_attr_s)); attr->nwwn = pport->nwwn; attr->pwwn = pport->pwwn; bfa_os_memcpy(&attr->pport_cfg, &pport->cfg, sizeof(struct bfa_pport_cfg_s)); /* * speed attributes */ attr->pport_cfg.speed = pport->cfg.speed; attr->speed_supported = pport->speed_sup; attr->speed = pport->speed; attr->cos_supported = FC_CLASS_3; /* * topology attributes */ attr->pport_cfg.topology = pport->cfg.topology; attr->topology = pport->topology; /* * beacon attributes */ attr->beacon = pport->beacon; attr->link_e2e_beacon = pport->link_e2e_beacon; attr->plog_enabled = bfa_plog_get_setting(pport->bfa->plog); attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa); attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa); attr->port_state = bfa_sm_to_state(hal_pport_sm_table, pport->sm); if (bfa_ioc_is_disabled(&pport->bfa->ioc)) attr->port_state = BFA_PPORT_ST_IOCDIS; else if (bfa_ioc_fw_mismatch(&pport->bfa->ioc)) attr->port_state = BFA_PPORT_ST_FWMISMATCH; } static void bfa_port_stats_query(void *cbarg) { struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; bfi_pport_get_stats_req_t *msg; msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); if (!msg) { port->stats_qfull = BFA_TRUE; bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_query, port); bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait); return; } port->stats_qfull = BFA_FALSE; bfa_os_memset(msg, 0, sizeof(bfi_pport_get_stats_req_t)); bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_GET_STATS_REQ, bfa_lpuid(port->bfa)); bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); return; } static void bfa_port_stats_clear(void *cbarg) { struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; bfi_pport_clear_stats_req_t *msg; msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); if (!msg) { port->stats_qfull = BFA_TRUE; bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_clear, port); bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait); return; } port->stats_qfull = BFA_FALSE; bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_stats_req_t)); bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_STATS_REQ, bfa_lpuid(port->bfa)); bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); return; } static void bfa_port_qos_stats_clear(void *cbarg) { struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; bfi_pport_clear_qos_stats_req_t *msg; msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); if (!msg) { port->stats_qfull = BFA_TRUE; bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_qos_stats_clear, port); bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait); return; } port->stats_qfull = BFA_FALSE; bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_qos_stats_req_t)); bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ, bfa_lpuid(port->bfa)); bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); return; } static void bfa_pport_stats_swap(union bfa_pport_stats_u *d, union bfa_pport_stats_u *s) { u32 *dip = (u32 *) d; u32 *sip = (u32 *) s; int i; /* * Do 64 bit fields swap first */ for (i = 0; i < ((sizeof(union bfa_pport_stats_u) - sizeof(struct bfa_qos_stats_s)) / sizeof(u32)); i = i + 2) { #ifdef __BIGENDIAN dip[i] = bfa_os_ntohl(sip[i]); dip[i + 1] = bfa_os_ntohl(sip[i + 1]); #else dip[i] = bfa_os_ntohl(sip[i + 1]); dip[i + 1] = bfa_os_ntohl(sip[i]); #endif } /* * Now swap the 32 bit fields */ for (; i < (sizeof(union bfa_pport_stats_u) / sizeof(u32)); ++i) dip[i] = bfa_os_ntohl(sip[i]); } static void __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete) { struct bfa_pport_s *port = cbarg; if (complete) { port->stats_cbfn(port->stats_cbarg, port->stats_status); } else { port->stats_busy = BFA_FALSE; port->stats_status = BFA_STATUS_OK; } } static void bfa_port_stats_clr_timeout(void *cbarg) { struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; bfa_trc(port->bfa, port->stats_qfull); if (port->stats_qfull) { bfa_reqq_wcancel(&port->stats_reqq_wait); port->stats_qfull = BFA_FALSE; } port->stats_status = BFA_STATUS_ETIMER; bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats_clr, port); } static void bfa_pport_callback(struct bfa_pport_s *pport, enum bfa_pport_linkstate event) { if (pport->bfa->fcs) { pport->event_cbfn(pport->event_cbarg, event); return; } switch (event) { case BFA_PPORT_LINKUP: bfa_sm_send_event(&pport->ln, BFA_PPORT_LN_SM_LINKUP); break; case BFA_PPORT_LINKDOWN: bfa_sm_send_event(&pport->ln, BFA_PPORT_LN_SM_LINKDOWN); break; default: bfa_assert(0); } } static void bfa_pport_queue_cb(struct bfa_pport_ln_s *ln, enum bfa_pport_linkstate event) { ln->ln_event = event; bfa_cb_queue(ln->pport->bfa, &ln->ln_qe, __bfa_cb_port_event, ln); } static void __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete) { struct bfa_pport_s *port = cbarg; if (complete) { if (port->stats_status == BFA_STATUS_OK) bfa_pport_stats_swap(port->stats_ret, port->stats); port->stats_cbfn(port->stats_cbarg, port->stats_status); } else { port->stats_busy = BFA_FALSE; port->stats_status = BFA_STATUS_OK; } } static void bfa_port_stats_timeout(void *cbarg) { struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; bfa_trc(port->bfa, port->stats_qfull); if (port->stats_qfull) { bfa_reqq_wcancel(&port->stats_reqq_wait); port->stats_qfull = BFA_FALSE; } port->stats_status = BFA_STATUS_ETIMER; bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats, port); } #define BFA_PORT_STATS_TOV 1000 /** * Fetch port attributes. */ bfa_status_t bfa_pport_get_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats, bfa_cb_pport_t cbfn, void *cbarg) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); if (port->stats_busy) { bfa_trc(bfa, port->stats_busy); return BFA_STATUS_DEVBUSY; } port->stats_busy = BFA_TRUE; port->stats_ret = stats; port->stats_cbfn = cbfn; port->stats_cbarg = cbarg; bfa_port_stats_query(port); bfa_timer_start(bfa, &port->timer, bfa_port_stats_timeout, port, BFA_PORT_STATS_TOV); return BFA_STATUS_OK; } bfa_status_t bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); if (port->stats_busy) { bfa_trc(bfa, port->stats_busy); return BFA_STATUS_DEVBUSY; } port->stats_busy = BFA_TRUE; port->stats_cbfn = cbfn; port->stats_cbarg = cbarg; bfa_port_stats_clear(port); bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port, BFA_PORT_STATS_TOV); return BFA_STATUS_OK; } bfa_status_t bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, bitmap); bfa_trc(bfa, pport->cfg.trunked); bfa_trc(bfa, pport->cfg.trunk_ports); if (!bitmap || (bitmap & (bitmap - 1))) return BFA_STATUS_EINVAL; pport->cfg.trunked = BFA_TRUE; pport->cfg.trunk_ports = bitmap; return BFA_STATUS_OK; } void bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); qos_attr->state = bfa_os_ntohl(pport->qos_attr.state); qos_attr->total_bb_cr = bfa_os_ntohl(pport->qos_attr.total_bb_cr); } void bfa_pport_qos_get_vc_attr(struct bfa_s *bfa, struct bfa_qos_vc_attr_s *qos_vc_attr) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); struct bfa_qos_vc_attr_s *bfa_vc_attr = &pport->qos_vc_attr; u32 i = 0; qos_vc_attr->total_vc_count = bfa_os_ntohs(bfa_vc_attr->total_vc_count); qos_vc_attr->shared_credit = bfa_os_ntohs(bfa_vc_attr->shared_credit); qos_vc_attr->elp_opmode_flags = bfa_os_ntohl(bfa_vc_attr->elp_opmode_flags); /* * Individual VC info */ while (i < qos_vc_attr->total_vc_count) { qos_vc_attr->vc_info[i].vc_credit = bfa_vc_attr->vc_info[i].vc_credit; qos_vc_attr->vc_info[i].borrow_credit = bfa_vc_attr->vc_info[i].borrow_credit; qos_vc_attr->vc_info[i].priority = bfa_vc_attr->vc_info[i].priority; ++i; } } /** * Fetch QoS Stats. */ bfa_status_t bfa_pport_get_qos_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats, bfa_cb_pport_t cbfn, void *cbarg) { /* * QoS stats is embedded in port stats */ return bfa_pport_get_stats(bfa, stats, cbfn, cbarg); } bfa_status_t bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); if (port->stats_busy) { bfa_trc(bfa, port->stats_busy); return BFA_STATUS_DEVBUSY; } port->stats_busy = BFA_TRUE; port->stats_cbfn = cbfn; port->stats_cbarg = cbarg; bfa_port_qos_stats_clear(port); bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port, BFA_PORT_STATS_TOV); return BFA_STATUS_OK; } /** * Fetch port attributes. */ bfa_status_t bfa_pport_trunk_disable(struct bfa_s *bfa) { return BFA_STATUS_OK; } bfa_boolean_t bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); *bitmap = port->cfg.trunk_ports; return port->cfg.trunked; } bfa_boolean_t bfa_pport_is_disabled(struct bfa_s *bfa) { struct bfa_pport_s *port = BFA_PORT_MOD(bfa); return bfa_sm_to_state(hal_pport_sm_table, port->sm) == BFA_PPORT_ST_DISABLED; } bfa_boolean_t bfa_pport_is_ratelim(struct bfa_s *bfa) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); return pport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE; } void bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, on_off); bfa_trc(bfa, pport->cfg.qos_enabled); pport->cfg.qos_enabled = on_off; } void bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, on_off); bfa_trc(bfa, pport->cfg.ratelimit); pport->cfg.ratelimit = on_off; if (pport->cfg.trl_def_speed == BFA_PPORT_SPEED_UNKNOWN) pport->cfg.trl_def_speed = BFA_PPORT_SPEED_1GBPS; } /** * Configure default minimum ratelim speed */ bfa_status_t bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, speed); /* * Auto and speeds greater than the supported speed, are invalid */ if ((speed == BFA_PPORT_SPEED_AUTO) || (speed > pport->speed_sup)) { bfa_trc(bfa, pport->speed_sup); return BFA_STATUS_UNSUPP_SPEED; } pport->cfg.trl_def_speed = speed; return BFA_STATUS_OK; } /** * Get default minimum ratelim speed */ enum bfa_pport_speed bfa_pport_get_ratelim_speed(struct bfa_s *bfa) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, pport->cfg.trl_def_speed); return pport->cfg.trl_def_speed; } void bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, status); bfa_trc(bfa, pport->diag_busy); pport->diag_busy = status; } void bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon, bfa_boolean_t link_e2e_beacon) { struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); bfa_trc(bfa, beacon); bfa_trc(bfa, link_e2e_beacon); bfa_trc(bfa, pport->beacon); bfa_trc(bfa, pport->link_e2e_beacon); pport->beacon = beacon; pport->link_e2e_beacon = link_e2e_beacon; } bfa_boolean_t bfa_pport_is_linkup(struct bfa_s *bfa) { return bfa_sm_cmp_state(BFA_PORT_MOD(bfa), bfa_pport_sm_linkup); }