iph5526.c

h内核

						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_PRLI:
					DPRINTK1("ELS_PRLI received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN)) {
						tx_prli(fi, ELS_ACC, s_id, received_ox_id);
						mark_scsi_sid(fi, buff_addr, ADD_ENTRY);
					}
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_PRLO:
					DPRINTK1("ELS_PRLO received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_OUT) || (login_state == NODE_NOT_PRESENT))
						tx_logo(fi, s_id, received_ox_id);
					else
					if (login_state == NODE_LOGGED_IN)

						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
					if (login_state == NODE_PROCESS_LOGGED_IN) {
						tx_prli(fi, ELS_ACC, s_id, received_ox_id);
						mark_scsi_sid(fi, buff_addr, DELETE_ENTRY);
					}
					break;
				case ELS_LS_RJT:
					els_type = remove_from_ox_id_list(fi, received_ox_id);
					DPRINTK1("ELS_LS_RJT received from D_ID 0x%x in response to %x", s_id, els_type);
					/* We should be chking the reason code.
					 */
					switch (els_type) {
						case ELS_ADISC:
							tx_logi(fi, ELS_PLOGI, s_id);
							break;
					}		
					break;
				case ELS_LOGO:
					els_type = remove_from_ox_id_list(fi, received_ox_id);
					DPRINTK1("ELS_LOGO received from D_ID 0x%x in response to %x", s_id, els_type);
					remove_from_address_cache(fi, buff_addr, ELS_LOGO);
					tx_acc(fi, s_id, received_ox_id);
					if (els_type == ELS_ADISC)
						tx_logi(fi, ELS_PLOGI, s_id);
					break;
				case ELS_RSCN:
					DPRINTK1("ELS_RSCN received from D_ID 0x%x", s_id);
					tx_acc(fi, s_id, received_ox_id);
					remove_from_address_cache(fi, buff_addr, ELS_RSCN);
					break;
				case ELS_FARP_REQ:
					/* We do not support FARP.
					   So, silently discard it */
					DPRINTK1("ELS_FARP_REQ received from D_ID 0x%x", s_id);
					break;
				case ELS_ABTX:
					DPRINTK1("ELS_ABTX received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_FLOGI:
					DPRINTK1("ELS_FLOGI received from D_ID 0x%x", s_id);
					if (fi->g.ptp_up == TRUE) {
						/* The node could have come up as an N_Port
						 * in a Loop! So,try initializing as an NL_port
						 */
						take_tachyon_offline(fi);
						/* write AL_TIME & E_D_TOV into the registers */
						writel(TOV_VALUES, fi->t_r.ptr_fm_tov_reg);
						writel(LOOP_INIT_SOFT_ADDRESS, fi->t_r.ptr_fm_config_reg);
						DPRINTK1("FLOGI received, TACHYON initializing as L_Port...\n");
						writel(INITIALIZE, fi->t_r.ptr_fm_control_reg);
					}
					else {
						if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
							tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
						else
							tx_logo(fi, s_id, received_ox_id);
					}
					break;
				case ELS_ADVC:
					DPRINTK1("ELS_ADVC received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_ECHO:
					DPRINTK1("ELS_ECHO received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_ESTC:
					DPRINTK1("ELS_ESTC received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_ESTS:
					DPRINTK1("ELS_ESTS received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RCS:
					DPRINTK1("ELS_RCS received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RES:
					DPRINTK1("ELS_RES received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RLS:
					DPRINTK1("ELS_RLS received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RRQ:
					DPRINTK1("ELS_RRQ received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RSS:
					DPRINTK1("ELS_RSS received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RTV:
					DPRINTK1("ELS_RTV received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RSI:
					DPRINTK1("ELS_RSI received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_TEST:
					/* No reply sequence */
					DPRINTK1("ELS_TEST received from D_ID 0x%x", s_id);
					break;
				case ELS_RNC:
					DPRINTK1("ELS_RNC received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_RVCS:
					DPRINTK1("ELS_RVCS received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_TPLS:
					DPRINTK1("ELS_TPLS received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_GAID:
					DPRINTK1("ELS_GAID received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_FACT:
					DPRINTK1("ELS_FACT received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_FAN:
					/* Hmmm... You don't support FAN ??? */
					DPRINTK1("ELS_FAN received from D_ID 0x%x", s_id);
					tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					break;
				case ELS_FDACT:
					DPRINTK1("ELS_FDACT received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_NACT:
					DPRINTK1("ELS_NACT received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_NDACT:
					DPRINTK1("ELS_NDACT received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_QoSR:
					DPRINTK1("ELS_QoSR received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				case ELS_FDISC:
					DPRINTK1("ELS_FDISC received from D_ID 0x%x", s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
				default:
					DPRINTK1("ELS Frame %x received from D_ID 0x%x", class_of_frame, s_id);
					if ((login_state == NODE_LOGGED_IN) || (login_state == NODE_PROCESS_LOGGED_IN))
						tx_ls_rjt(fi, s_id, received_ox_id, CMND_NOT_SUPP, NO_EXPLN);
					else
						tx_logo(fi, s_id, received_ox_id);
					break;
			}
			break;
		case TYPE_FC_SERVICES:
			fs_cmnd_code = (ntohl(*(buff_addr + 10)) & 0xFFFF0000) >>16;
			switch(fs_cmnd_code) {
				case FCS_ACC:
					els_type = remove_from_ox_id_list(fi, received_ox_id);
					DPRINTK1("FCS_ACC received from D_ID 0x%x in response to %x", s_id, els_type);
					if (els_type == FCS_GP_ID4) 
						explore_fabric(fi, buff_addr);
					break;
				case FCS_REJECT:
					DPRINTK1("FCS_REJECT received from D_ID 0x%x in response to %x", s_id, els_type);
					break;
			}
			break;
		case TYPE_LLC_SNAP:
			rx_net_packet(fi, (u_char *)buff_addr, payload_size);
			break;
		default:
			T_MSG("Frame Type %x received from %x", type_of_frame, s_id);
	}

	/* provide Tachyon will another set of buffers */
	if (offset == (NO_OF_ENTRIES - 1))
		update_SFSBQ_indx(fi);
	LEAVE("handle_SFS_interrupt");
}

static void handle_FM_interrupt(struct fc_info *fi)
{
u_int fm_status;
u_int tachyon_status;

	ENTER("handle_FM_interrupt");
	fm_status = readl(fi->t_r.ptr_fm_status_reg);
	tachyon_status = readl(fi->t_r.ptr_tach_status_reg);
	DPRINTK("FM_status = %x, Tachyon_status = %x", fm_status, tachyon_status);
	if (fm_status & LINK_DOWN) {
		T_MSG("Fibre Channel Link DOWN");
		fm_status = readl(fi->t_r.ptr_fm_status_reg);
		
		del_timer(&fi->explore_timer);
		del_timer(&fi->nport_timer);
		del_timer(&fi->lport_timer);
		del_timer(&fi->display_cache_timer);
		fi->g.link_up = FALSE;
		if (fi->g.ptp_up == TRUE)
			fi->g.n_port_try = FALSE;
		fi->g.ptp_up = FALSE;
		fi->g.port_discovery = FALSE;
		fi->g.explore_fabric = FALSE;
		fi->g.perform_adisc = FALSE;

		/* Logout will all nodes */
		if (fi->node_info_list) {
			struct fc_node_info *temp_list = fi->node_info_list;
				while(temp_list) {
					temp_list->login = LOGIN_ATTEMPTED;
					temp_list = temp_list->next;
				}
				fi->num_nodes = 0;
		}

		if ((fi->g.n_port_try == FALSE) && (fi->g.dont_init == FALSE)){
			take_tachyon_offline(fi);
			/* write AL_TIME & E_D_TOV into the registers */
			writel(TOV_VALUES, fi->t_r.ptr_fm_tov_reg);
			
			if ((fi->g.fabric_present == TRUE) && (fi->g.loop_up == TRUE)) {
			u_int al_pa = fi->g.my_id & 0xFF;
				writel((al_pa << 24) | LOOP_INIT_FABRIC_ADDRESS | LOOP_INIT_PREVIOUS_ADDRESS, fi->t_r.ptr_fm_config_reg);
			}
			else 
			if (fi->g.loop_up == TRUE) {
			u_int al_pa = fi->g.my_id & 0xFF;
				writel((al_pa << 24) | LOOP_INIT_PREVIOUS_ADDRESS, fi->t_r.ptr_fm_config_reg);
			}
			else 
				writel(LOOP_INIT_SOFT_ADDRESS, fi->t_r.ptr_fm_config_reg);
			fi->g.loop_up = FALSE;
			DPRINTK1("In LDWN TACHYON initializing as L_Port...\n");
			writel(INITIALIZE, fi->t_r.ptr_fm_control_reg);
		}
	}

    if (fm_status & NON_PARTICIPATING) {
	  	T_MSG("Did not acquire an AL_PA. I am not participating");
    }
	else
	if ((fm_status & LINK_UP) && ((fm_status & LINK_DOWN) == 0)) {
	  T_MSG("Fibre Channel Link UP");
	  if ((fm_status & NON_PARTICIPATING) != TRUE) {
		fi->g.link_up = TRUE;
		if (tachyon_status & OSM_FROZEN) {
			reset_tachyon(fi, ERROR_RELEASE);
			reset_tachyon(fi, OCQ_RESET);
		}
		init_timer(&fi->explore_timer);
		init_timer(&fi->nport_timer);
		init_timer(&fi->lport_timer);
		init_timer(&fi->display_cache_timer);
		if ((fm_status & OLD_PORT) == 0) {
			fi->g.loop_up = TRUE;
			fi->g.ptp_up = FALSE;
			fi->g.my_id = readl(fi->t_r.ptr_fm_config_reg) >> 24;
			DPRINTK1("My AL_PA = %x", fi->g.my_id);
			fi->g.port_discovery = TRUE;
			fi->g.explore_fabric = FALSE;
		}
		else
		if (((fm_status & 0xF0) == OLD_PORT) && ((fm_status & 0x0F) == PORT_STATE_ACTIVE)) {
			fi->g.loop_up = FALSE;
			fi->g.my_id = 0x0;
			/* In a point-to-point configuration, we expect to be
			 * connected to an F_Port. This driver does not yet support
			 * a configuration where it is connected to another N_Port
			 * directly.
			 */
			fi->g.explore_fabric = TRUE;
			fi->g.port_discovery = FALSE;
			if (fi->g.n_port_try == FALSE) {
				take_tachyon_offline(fi);
				/* write R_T_TOV & E_D_TOV into the registers */
				writel(PTP_TOV_VALUES, fi->t_r.ptr_fm_tov_reg);
				writel(BB_CREDIT | NPORT, fi->t_r.ptr_fm_config_reg);
				fi->g.n_port_try = TRUE;
				DPRINTK1("In LUP TACHYON initializing as N_Port...\n");
				writel(INITIALIZE, fi->t_r.ptr_fm_control_reg);
			}
			else {
				fi->g.ptp_up = TRUE;
				tx_logi(fi, ELS_FLOGI, F_PORT); 
			}
		}
		fi->g.my_ddaa = 0x0;
		fi->g.fabric_present = FAL