// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. * Copyright (c) 2014- QLogic Corporation. * All rights reserved * www.qlogic.com * * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. */ /* * rport.c Remote port implementation. */ #include "bfad_drv.h" #include "bfad_im.h" #include "bfa_fcs.h" #include "bfa_fcbuild.h" BFA_TRC_FILE(…); static u32 bfa_fcs_rport_del_timeout = …; /* In millisecs */ /* * bfa_fcs_rport_max_logins is max count of bfa_fcs_rports * whereas DEF_CFG_NUM_RPORTS is max count of bfa_rports */ static u32 bfa_fcs_rport_max_logins = …; /* * forward declarations */ static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi); static void bfa_fcs_rport_timeout(void *arg); static void bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len); static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl); static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len); static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_online_sending( struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, enum rport_event event); struct bfa_fcs_rport_sm_table_s { … }; static inline enum bfa_rport_state bfa_rport_sm_to_state(struct bfa_fcs_rport_sm_table_s *smt, bfa_fcs_rport_sm_t sm) { … } static struct bfa_fcs_rport_sm_table_s rport_sm_table[] = …; /* * Beginning state. */ static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * PLOGI is being sent. */ static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * PLOGI is being sent. */ static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * PLOGI is sent. */ static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * PLOGI is sent. */ static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * PLOGI is done. Await bfa_fcs_itnim to ascertain the scsi function */ static void bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * PLOGI is complete. Awaiting BFA rport online callback. FC-4s * are offline. */ static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is ONLINE. FC-4s active. */ static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * An SCN event is received in ONLINE state. NS query is being sent * prior to ADISC authentication with rport. FC-4s are paused. */ static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * An SCN event is received in ONLINE state. NS query is sent to rport. * FC-4s are paused. */ static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * An SCN event is received in ONLINE state. ADISC is being sent for * authenticating with rport. FC-4s are paused. */ static void bfa_fcs_rport_sm_adisc_online_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * An SCN event is received in ONLINE state. ADISC is to rport. * FC-4s are paused. */ static void bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * ADISC is being sent for authenticating with rport * Already did offline actions. */ static void bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * ADISC to rport * Already did offline actions */ static void bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport has sent LOGO. Awaiting FC-4 offline completion callback. */ static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * LOGO needs to be sent to rport. Awaiting FC-4 offline completion * callback. */ static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is going offline. Awaiting FC-4 offline completion callback. */ static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is offline. FC-4s are offline. Awaiting BFA rport offline * callback. */ static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is offline. FC-4s are offline. Awaiting BFA rport offline * callback to send LOGO accept. */ static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is being deleted. FC-4s are offline. * Awaiting BFA rport offline * callback to send LOGO. */ static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is being deleted. FC-4s are offline. LOGO is being sent. */ static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport is offline. FC-4s are offline. BFA rport is offline. * Timer active to delete stale rport. */ static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport address has changed. Nameserver discovery request is being sent. */ static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Nameserver discovery failed. Waiting for timeout to retry. */ static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport address has changed. Nameserver discovery request is sent. */ static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * Rport needs to be deleted * waiting for ITNIM clean up to finish */ static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * RPort needs to be deleted * waiting for BFA/FW to finish current processing */ static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, enum rport_event event) { … } /* * fcs_rport_private FCS RPORT provate functions */ static void bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { … } static void bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { … } static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { … } static void bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { … } static void bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { … } static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { … } static void bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { … } static void bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { … } /* * Called to send a logout to the rport. */ static void bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { … } /* * Send ACC for a LOGO received. */ static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg) { … } /* * brief * This routine will be called by bfa_timer on timer timeouts. * * param[in] rport - pointer to bfa_fcs_lport_ns_t. * param[out] rport_status - pointer to return vport status in * * return * void * * Special Considerations: * * note */ static void bfa_fcs_rport_timeout(void *arg) { … } static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len) { … } static void bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len) { … } static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len) { … } static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) { … } static void bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport) { … } static struct bfa_fcs_rport_s * bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) { … } static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) { … } static void bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, enum bfa_rport_aen_event event, struct bfa_rport_aen_data_s *data) { … } static void bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport) { … } static void bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport) { … } static void bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport) { … } static void bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport) { … } /* * Update rport parameters from PLOGI or PLOGI accept. */ static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) { … } /* * Called to handle LOGO received from an existing remote port. */ static void bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) { … } /* * fcs_rport_public FCS rport public interfaces */ /* * Called by bport/vport to create a remote port instance for a discovered * remote device. * * @param[in] port - base port or vport * @param[in] rpid - remote port ID * * @return None */ struct bfa_fcs_rport_s * bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) { … } /* * Called to create a rport for which only the wwn is known. * * @param[in] port - base port * @param[in] rpwwn - remote port wwn * * @return None */ struct bfa_fcs_rport_s * bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) { … } /* * Called by bport in private loop topology to indicate that a * rport has been discovered and plogi has been completed. * * @param[in] port - base port or vport * @param[in] rpid - remote port ID */ void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, struct fc_logi_s *plogi) { … } /* * Called by bport/vport to handle PLOGI received from a new remote port. * If an existing rport does a plogi, it will be handled separately. */ void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, struct fc_logi_s *plogi) { … } /* * Called by bport/vport to handle PLOGI received from an existing * remote port. */ void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, struct fc_logi_s *plogi) { … } /* * Called by bport/vport to notify SCN for the remote port */ void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) { … } /* * brief * This routine BFA callback for bfa_rport_online() call. * * param[in] cb_arg - rport struct. * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_online(void *cbarg) { … } /* * brief * This routine BFA callback for bfa_rport_offline() call. * * param[in] rport - * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_offline(void *cbarg) { … } /* * brief * This routine is a static BFA callback when there is a QoS flow_id * change notification * * param[in] rport - * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_qos_scn_flowid(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, struct bfa_rport_qos_attr_s new_qos_attr) { … } void bfa_cb_rport_scn_online(struct bfa_s *bfa) { … } void bfa_cb_rport_scn_no_dev(void *rport) { … } void bfa_cb_rport_scn_offline(struct bfa_s *bfa) { … } /* * brief * This routine is a static BFA callback when there is a QoS priority * change notification * * param[in] rport - * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, struct bfa_rport_qos_attr_s new_qos_attr) { … } /* * Called to process any unsolicted frames from this remote port */ void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, u16 len) { … } /* send best case acc to prlo */ static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) { … } /* * Send a LS reject */ static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl) { … } /* * Return state of rport. */ int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) { … } /* * brief * Called by the Driver to set rport delete/ageout timeout * * param[in] rport timeout value in seconds. * * return None */ void bfa_fcs_rport_set_del_timeout(u8 rport_tmo) { … } void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) { … } /* * Called by BFAD to set the max limit on number of bfa_fcs_rport allocation * which limits number of concurrent logins to remote ports */ void bfa_fcs_rport_set_max_logins(u32 max_logins) { … } void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, struct bfa_rport_attr_s *rport_attr) { … } /* * Remote port implementation. */ /* * fcs_rport_api FCS rport API. */ struct bfa_fcs_rport_s * bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) { … } struct bfa_fcs_rport_s * bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) { … } /* * Remote port features (RPF) implementation. */ #define BFA_FCS_RPF_RETRIES … #define BFA_FCS_RPF_RETRY_TIMEOUT … static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rpf_timeout(void *arg); static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { … } static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { … } static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { … } static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { … } static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { … } static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { … } /* * Called when Rport is created. */ void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) { … } /* * Called when Rport becomes online */ void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) { … } /* * Called when Rport becomes offline */ void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) { … } static void bfa_fcs_rpf_timeout(void *arg) { … } static void bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) { … } static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { … }
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