diff options
Diffstat (limited to 'drivers/scsi/bnx2fc')
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc.h | 27 | ||||
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 21 | ||||
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_hwi.c | 29 | ||||
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_io.c | 8 | ||||
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_tgt.c | 95 |
5 files changed, 101 insertions, 79 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index 3486845ba301..50fcd018d14b 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -64,7 +64,7 @@ #include "bnx2fc_constants.h" #define BNX2FC_NAME "bnx2fc" -#define BNX2FC_VERSION "1.0.12" +#define BNX2FC_VERSION "1.0.13" #define PFX "bnx2fc: " @@ -156,6 +156,18 @@ #define BNX2FC_RELOGIN_WAIT_TIME 200 #define BNX2FC_RELOGIN_WAIT_CNT 10 +#define BNX2FC_STATS(hba, stat, cnt) \ + do { \ + u32 val; \ + \ + val = fw_stats->stat.cnt; \ + if (hba->prev_stats.stat.cnt <= val) \ + val -= hba->prev_stats.stat.cnt; \ + else \ + val += (0xfffffff - hba->prev_stats.stat.cnt); \ + hba->bfw_stats.cnt += val; \ + } while (0) + /* bnx2fc driver uses only one instance of fcoe_percpu_s */ extern struct fcoe_percpu_s bnx2fc_global; @@ -167,6 +179,14 @@ struct bnx2fc_percpu_s { spinlock_t fp_work_lock; }; +struct bnx2fc_fw_stats { + u64 fc_crc_cnt; + u64 fcoe_tx_pkt_cnt; + u64 fcoe_rx_pkt_cnt; + u64 fcoe_tx_byte_cnt; + u64 fcoe_rx_byte_cnt; +}; + struct bnx2fc_hba { struct list_head list; struct cnic_dev *cnic; @@ -207,6 +227,8 @@ struct bnx2fc_hba { struct bnx2fc_rport **tgt_ofld_list; /* statistics */ + struct bnx2fc_fw_stats bfw_stats; + struct fcoe_statistics_params prev_stats; struct fcoe_statistics_params *stats_buffer; dma_addr_t stats_buf_dma; struct completion stat_req_done; @@ -280,6 +302,7 @@ struct bnx2fc_rport { #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7 #define BNX2FC_FLAG_EXPL_LOGO 0x8 #define BNX2FC_FLAG_DISABLE_FAILED 0x9 +#define BNX2FC_FLAG_ENABLED 0xa u8 src_addr[ETH_ALEN]; u32 max_sqes; @@ -468,6 +491,8 @@ int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba); int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba); int bnx2fc_send_session_ofld_req(struct fcoe_port *port, struct bnx2fc_rport *tgt); +int bnx2fc_send_session_enable_req(struct fcoe_port *port, + struct bnx2fc_rport *tgt); int bnx2fc_send_session_disable_req(struct fcoe_port *port, struct bnx2fc_rport *tgt); int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba, diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 70ecd953a579..6401db494ef5 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -22,7 +22,7 @@ DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu); #define DRV_MODULE_NAME "bnx2fc" #define DRV_MODULE_VERSION BNX2FC_VERSION -#define DRV_MODULE_RELDATE "Jun 04, 2012" +#define DRV_MODULE_RELDATE "Dec 21, 2012" static char version[] = @@ -687,11 +687,16 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) BNX2FC_HBA_DBG(lport, "FW stat req timed out\n"); return bnx2fc_stats; } - bnx2fc_stats->invalid_crc_count += fw_stats->rx_stat2.fc_crc_cnt; - bnx2fc_stats->tx_frames += fw_stats->tx_stat.fcoe_tx_pkt_cnt; - bnx2fc_stats->tx_words += (fw_stats->tx_stat.fcoe_tx_byte_cnt) / 4; - bnx2fc_stats->rx_frames += fw_stats->rx_stat0.fcoe_rx_pkt_cnt; - bnx2fc_stats->rx_words += (fw_stats->rx_stat0.fcoe_rx_byte_cnt) / 4; + BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt); + bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt; + BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt); + bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt; + BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt); + bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4); + BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt); + bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt; + BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt); + bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4); bnx2fc_stats->dumped_frames = 0; bnx2fc_stats->lip_count = 0; @@ -700,6 +705,8 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) bnx2fc_stats->loss_of_signal_count = 0; bnx2fc_stats->prim_seq_protocol_err_count = 0; + memcpy(&hba->prev_stats, hba->stats_buffer, + sizeof(struct fcoe_statistics_params)); return bnx2fc_stats; } @@ -2660,7 +2667,7 @@ static struct scsi_host_template bnx2fc_shost_template = { .can_queue = BNX2FC_CAN_QUEUE, .use_clustering = ENABLE_CLUSTERING, .sg_tablesize = BNX2FC_MAX_BDS_PER_CMD, - .max_sectors = 512, + .max_sectors = 1024, }; static struct libfc_function_template bnx2fc_libfc_fcn_templ = { diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index ef60afa94d0e..85ea98a80f40 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -347,7 +347,7 @@ int bnx2fc_send_session_ofld_req(struct fcoe_port *port, * @port: port structure pointer * @tgt: bnx2fc_rport structure pointer */ -static int bnx2fc_send_session_enable_req(struct fcoe_port *port, +int bnx2fc_send_session_enable_req(struct fcoe_port *port, struct bnx2fc_rport *tgt) { struct kwqe *kwqe_arr[2]; @@ -759,8 +759,6 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe) case FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET: BNX2FC_TGT_DBG(tgt, "REC TOV popped for xid - 0x%x\n", xid); - memset(&io_req->err_entry, 0, - sizeof(struct fcoe_err_report_entry)); memcpy(&io_req->err_entry, err_entry, sizeof(struct fcoe_err_report_entry)); if (!test_bit(BNX2FC_FLAG_SRR_SENT, @@ -847,8 +845,6 @@ ret_err_rqe: goto ret_warn_rqe; } - memset(&io_req->err_entry, 0, - sizeof(struct fcoe_err_report_entry)); memcpy(&io_req->err_entry, err_entry, sizeof(struct fcoe_err_report_entry)); @@ -1124,7 +1120,6 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba, struct bnx2fc_interface *interface; u32 conn_id; u32 context_id; - int rc; conn_id = ofld_kcqe->fcoe_conn_id; context_id = ofld_kcqe->fcoe_conn_context_id; @@ -1153,17 +1148,10 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba, "resources\n"); set_bit(BNX2FC_FLAG_CTX_ALLOC_FAILURE, &tgt->flags); } - goto ofld_cmpl_err; } else { - - /* now enable the session */ - rc = bnx2fc_send_session_enable_req(port, tgt); - if (rc) { - printk(KERN_ERR PFX "enable session failed\n"); - goto ofld_cmpl_err; - } + /* FW offload request successfully completed */ + set_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags); } - return; ofld_cmpl_err: set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags); wake_up_interruptible(&tgt->ofld_wait); @@ -1210,15 +1198,9 @@ static void bnx2fc_process_enable_conn_cmpl(struct bnx2fc_hba *hba, printk(KERN_ERR PFX "bnx2fc-enbl_cmpl: HBA mis-match\n"); goto enbl_cmpl_err; } - if (ofld_kcqe->completion_status) - goto enbl_cmpl_err; - else { + if (!ofld_kcqe->completion_status) /* enable successful - rport ready for issuing IOs */ - set_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags); - set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags); - wake_up_interruptible(&tgt->ofld_wait); - } - return; + set_bit(BNX2FC_FLAG_ENABLED, &tgt->flags); enbl_cmpl_err: set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags); @@ -1251,6 +1233,7 @@ static void bnx2fc_process_conn_disable_cmpl(struct bnx2fc_hba *hba, /* disable successful */ BNX2FC_TGT_DBG(tgt, "disable successful\n"); clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags); + clear_bit(BNX2FC_FLAG_ENABLED, &tgt->flags); set_bit(BNX2FC_FLAG_DISABLED, &tgt->flags); set_bit(BNX2FC_FLAG_UPLD_REQ_COMPL, &tgt->flags); wake_up_interruptible(&tgt->upld_wait); diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 8d4626c07a12..60798e829de6 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -654,7 +654,7 @@ int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req) mp_req->mp_resp_bd = dma_alloc_coherent(&hba->pcidev->dev, sz, &mp_req->mp_resp_bd_dma, GFP_ATOMIC); - if (!mp_req->mp_req_bd) { + if (!mp_req->mp_resp_bd) { printk(KERN_ERR PFX "unable to alloc MP resp bd\n"); bnx2fc_free_mp_resc(io_req); return FAILED; @@ -685,8 +685,8 @@ int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req) static int bnx2fc_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags) { struct fc_lport *lport; - struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device)); - struct fc_rport_libfc_priv *rp = rport->dd_data; + struct fc_rport *rport; + struct fc_rport_libfc_priv *rp; struct fcoe_port *port; struct bnx2fc_interface *interface; struct bnx2fc_rport *tgt; @@ -704,6 +704,7 @@ static int bnx2fc_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags) unsigned long start = jiffies; lport = shost_priv(host); + rport = starget_to_rport(scsi_target(sc_cmd->device)); port = lport_priv(lport); interface = port->priv; @@ -712,6 +713,7 @@ static int bnx2fc_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags) rc = FAILED; goto tmf_err; } + rp = rport->dd_data; rc = fc_block_scsi_eh(sc_cmd); if (rc) diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c index b9d0d9cb17f9..c57a3bb8a9fb 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c +++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c @@ -33,6 +33,7 @@ static void bnx2fc_upld_timer(unsigned long data) BNX2FC_TGT_DBG(tgt, "upld_timer - Upload compl not received!!\n"); /* fake upload completion */ clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags); + clear_bit(BNX2FC_FLAG_ENABLED, &tgt->flags); set_bit(BNX2FC_FLAG_UPLD_REQ_COMPL, &tgt->flags); wake_up_interruptible(&tgt->upld_wait); } @@ -55,10 +56,25 @@ static void bnx2fc_ofld_timer(unsigned long data) * resources are freed up in bnx2fc_offload_session */ clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags); + clear_bit(BNX2FC_FLAG_ENABLED, &tgt->flags); set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags); wake_up_interruptible(&tgt->ofld_wait); } +static void bnx2fc_ofld_wait(struct bnx2fc_rport *tgt) +{ + setup_timer(&tgt->ofld_timer, bnx2fc_ofld_timer, (unsigned long)tgt); + mod_timer(&tgt->ofld_timer, jiffies + BNX2FC_FW_TIMEOUT); + + wait_event_interruptible(tgt->ofld_wait, + (test_bit( + BNX2FC_FLAG_OFLD_REQ_CMPL, + &tgt->flags))); + if (signal_pending(current)) + flush_signals(current); + del_timer_sync(&tgt->ofld_timer); +} + static void bnx2fc_offload_session(struct fcoe_port *port, struct bnx2fc_rport *tgt, struct fc_rport_priv *rdata) @@ -103,17 +119,7 @@ retry_ofld: * wait for the session is offloaded and enabled. 3 Secs * should be ample time for this process to complete. */ - setup_timer(&tgt->ofld_timer, bnx2fc_ofld_timer, (unsigned long)tgt); - mod_timer(&tgt->ofld_timer, jiffies + BNX2FC_FW_TIMEOUT); - - wait_event_interruptible(tgt->ofld_wait, - (test_bit( - BNX2FC_FLAG_OFLD_REQ_CMPL, - &tgt->flags))); - if (signal_pending(current)) - flush_signals(current); - - del_timer_sync(&tgt->ofld_timer); + bnx2fc_ofld_wait(tgt); if (!(test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags))) { if (test_and_clear_bit(BNX2FC_FLAG_CTX_ALLOC_FAILURE, @@ -131,14 +137,23 @@ retry_ofld: } if (bnx2fc_map_doorbell(tgt)) { printk(KERN_ERR PFX "map doorbell failed - no mem\n"); - /* upload will take care of cleaning up sess resc */ - lport->tt.rport_logoff(rdata); + goto ofld_err; } + clear_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags); + rval = bnx2fc_send_session_enable_req(port, tgt); + if (rval) { + pr_err(PFX "enable session failed\n"); + goto ofld_err; + } + bnx2fc_ofld_wait(tgt); + if (!(test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags))) + goto ofld_err; return; ofld_err: /* couldn't offload the session. log off from this rport */ BNX2FC_TGT_DBG(tgt, "bnx2fc_offload_session - offload error\n"); + clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags); /* Free session resources */ bnx2fc_free_session_resc(hba, tgt); tgt_init_err: @@ -259,6 +274,19 @@ void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt) spin_unlock_bh(&tgt->tgt_lock); } +static void bnx2fc_upld_wait(struct bnx2fc_rport *tgt) +{ + setup_timer(&tgt->upld_timer, bnx2fc_upld_timer, (unsigned long)tgt); + mod_timer(&tgt->upld_timer, jiffies + BNX2FC_FW_TIMEOUT); + wait_event_interruptible(tgt->upld_wait, + (test_bit( + BNX2FC_FLAG_UPLD_REQ_COMPL, + &tgt->flags))); + if (signal_pending(current)) + flush_signals(current); + del_timer_sync(&tgt->upld_timer); +} + static void bnx2fc_upload_session(struct fcoe_port *port, struct bnx2fc_rport *tgt) { @@ -279,19 +307,8 @@ static void bnx2fc_upload_session(struct fcoe_port *port, * wait for upload to complete. 3 Secs * should be sufficient time for this process to complete. */ - setup_timer(&tgt->upld_timer, bnx2fc_upld_timer, (unsigned long)tgt); - mod_timer(&tgt->upld_timer, jiffies + BNX2FC_FW_TIMEOUT); - BNX2FC_TGT_DBG(tgt, "waiting for disable compl\n"); - wait_event_interruptible(tgt->upld_wait, - (test_bit( - BNX2FC_FLAG_UPLD_REQ_COMPL, - &tgt->flags))); - - if (signal_pending(current)) - flush_signals(current); - - del_timer_sync(&tgt->upld_timer); + bnx2fc_upld_wait(tgt); /* * traverse thru the active_q and tmf_q and cleanup @@ -308,24 +325,13 @@ static void bnx2fc_upload_session(struct fcoe_port *port, bnx2fc_send_session_destroy_req(hba, tgt); /* wait for destroy to complete */ - setup_timer(&tgt->upld_timer, - bnx2fc_upld_timer, (unsigned long)tgt); - mod_timer(&tgt->upld_timer, jiffies + BNX2FC_FW_TIMEOUT); - - wait_event_interruptible(tgt->upld_wait, - (test_bit( - BNX2FC_FLAG_UPLD_REQ_COMPL, - &tgt->flags))); + bnx2fc_upld_wait(tgt); if (!(test_bit(BNX2FC_FLAG_DESTROYED, &tgt->flags))) printk(KERN_ERR PFX "ERROR!! destroy timed out\n"); BNX2FC_TGT_DBG(tgt, "destroy wait complete flags = 0x%lx\n", tgt->flags); - if (signal_pending(current)) - flush_signals(current); - - del_timer_sync(&tgt->upld_timer); } else if (test_bit(BNX2FC_FLAG_DISABLE_FAILED, &tgt->flags)) { printk(KERN_ERR PFX "ERROR!! DISABLE req failed, destroy" @@ -381,7 +387,9 @@ static int bnx2fc_init_tgt(struct bnx2fc_rport *tgt, tgt->rq_cons_idx = 0; atomic_set(&tgt->num_active_ios, 0); - if (rdata->flags & FC_RP_FLAGS_RETRY) { + if (rdata->flags & FC_RP_FLAGS_RETRY && + rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET && + !(rdata->ids.roles & FC_RPORT_ROLE_FCP_INITIATOR)) { tgt->dev_type = TYPE_TAPE; tgt->io_timeout = 0; /* use default ULP timeout */ } else { @@ -479,7 +487,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport, tgt = (struct bnx2fc_rport *)&rp[1]; /* This can happen when ADISC finds the same target */ - if (test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags)) { + if (test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags)) { BNX2FC_TGT_DBG(tgt, "already offloaded\n"); mutex_unlock(&hba->hba_mutex); return; @@ -494,11 +502,8 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport, BNX2FC_TGT_DBG(tgt, "OFFLOAD num_ofld_sess = %d\n", hba->num_ofld_sess); - if (test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags)) { - /* - * Session is offloaded and enabled. Map - * doorbell register for this target - */ + if (test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags)) { + /* Session is offloaded and enabled. */ BNX2FC_TGT_DBG(tgt, "sess offloaded\n"); /* This counter is protected with hba mutex */ hba->num_ofld_sess++; @@ -535,7 +540,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport, */ tgt = (struct bnx2fc_rport *)&rp[1]; - if (!(test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags))) { + if (!(test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags))) { mutex_unlock(&hba->hba_mutex); break; } |