scsi/fnic/fdls_disc.c

68 	(iport->fabric.retry_counter == FABRIC_LOGO_MAX_RETRY)
395 	fnic->iport.fabric.del_timer_inprogress = 1;
397 	timer_delete_sync(&fnic->iport.fabric.retry_timer);
399 	fnic->iport.fabric.del_timer_inprogress = 0;
418 	if (iport->fabric.timer_pending) {
420 					 "iport fcid: 0x%x: Canceling fabric disc timer\n",
423 		iport->fabric.timer_pending = 0;
426 	if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED))
427 		iport->fabric.retry_counter++;
430 	mod_timer(&iport->fabric.retry_timer, round_jiffies(fabric_tov));
431 	iport->fabric.timer_pending = 1;
433 				 "fabric timer is %d ", timeout);
691 				"Failed to allocate frame to send fabric ABTS");
700 	switch (iport->fabric.state) {
754 		 "0x%x: FDLS send fabric abts. iport->fabric.state: %d oxid: 0x%x",
755 		 iport->fcid, iport->fabric.state, oxid);
757 	iport->fabric.flags |= FNIC_FDLS_FABRIC_ABORT_ISSUED;
763 	iport->fabric.timer_pending = 1;
799 	if (iport->fabric.fdmi_pending & FDLS_FDMI_PLOGI_PENDING) {
806 			 "0x%x: FDLS send FDMI PLOGI abts. iport->fabric.state: %d oxid: 0x%x",
807 			 iport->fcid, iport->fabric.state, iport->active_oxid_fdmi_plogi);
810 		if (iport->fabric.fdmi_pending & FDLS_FDMI_REG_HBA_PENDING) {
817 				 "0x%x: FDLS send FDMI RHBA abts. iport->fabric.state: %d oxid: 0x%x",
818 				 iport->fcid, iport->fabric.state, iport->active_oxid_fdmi_rhba);
821 		if (iport->fabric.fdmi_pending & FDLS_FDMI_RPA_PENDING) {
825 				if (iport->fabric.fdmi_pending & FDLS_FDMI_REG_HBA_PENDING)
832 				 "0x%x: FDLS send FDMI RPA abts. iport->fabric.state: %d oxid: 0x%x",
833 				 iport->fcid, iport->fabric.state, iport->active_oxid_fdmi_rpa);
840 	mod_timer(&iport->fabric.fdmi_timer, round_jiffies(fdmi_tov));
841 	iport->fabric.fdmi_pending |= FDLS_FDMI_ABORT_PENDING;
844 		 "0x%x: iport->fabric.fdmi_pending: 0x%x",
845 		 iport->fcid, iport->fabric.fdmi_pending);
861 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
892 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
898 		 "0x%x: FDLS send fabric FLOGI with oxid: 0x%x", iport->fcid,
921 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
932 		     "0x%x: Failed to allocate OXID to send fabric PLOGI",
935 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
941 		 "0x%x: FDLS send fabric PLOGI with oxid: 0x%x", iport->fcid,
996 	mod_timer(&iport->fabric.fdmi_timer, round_jiffies(fdmi_tov));
997 	iport->fabric.fdmi_pending = FDLS_FDMI_PLOGI_PENDING;
1014 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
1043 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
1073 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
1097 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
1128 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
1155 		iport->fabric.flags |= FNIC_FDLS_RETRY_FRAME;
1169 	fdls_set_state((&iport->fabric), fdls_state);
1550  * This function does not change or check the fabric state.
1551  * It the caller's responsibility to set the appropriate iport fabric
1568 		     "Failed to allocate frame to send fabric LOGO");
1580 		     "0x%x: Failed to allocate OXID to send fabric LOGO",
1590 	iport->fabric.flags &= ~FNIC_FDLS_FABRIC_ABORT_ISSUED;
1593 		     "0x%x: FDLS send fabric LOGO with oxid: 0x%x",
1606  * This function does not change or check the fabric/tport state.
1607  * It the caller's responsibility to set the appropriate tport/fabric
1625 		     "Failed to allocate frame to send fabric LOGO");
1691 	fdls_set_state((&iport->fabric), FDLS_STATE_TGT_DISCOVERY);
1976 	iport->fabric.fdmi_pending |= FDLS_FDMI_REG_HBA_PENDING;
2108 	iport->fabric.fdmi_pending |= FDLS_FDMI_RPA_PENDING;
2113 	struct fnic_fdls_fabric_s *fabric = timer_container_of(fabric, t,
2116 		container_of(fabric, struct fnic_iport_s, fabric);
2122 		 iport->fabric.timer_pending, iport->fabric.state,
2123 		 iport->fabric.retry_counter, iport->max_flogi_retries);
2127 	if (!iport->fabric.timer_pending) {
2132 	if (iport->fabric.del_timer_inprogress) {
2133 		iport->fabric.del_timer_inprogress = 0;
2137 					 iport->fabric.del_timer_inprogress);
2141 	iport->fabric.timer_pending = 0;
2143 	/* The fabric state indicates which frames have time out, and we retry */
2144 	switch (iport->fabric.state) {
2147 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2148 			&& (iport->fabric.retry_counter < iport->max_flogi_retries)) {
2149 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2151 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED)) {
2159 			if (iport->fabric.retry_counter < iport->max_flogi_retries) {
2160 				iport->fabric.flags &= ~FNIC_FDLS_FABRIC_ABORT_ISSUED;
2169 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2170 			&& (iport->fabric.retry_counter < iport->max_plogi_retries)) {
2171 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2173 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED)) {
2181 			if (iport->fabric.retry_counter < iport->max_plogi_retries) {
2182 				iport->fabric.flags &= ~FNIC_FDLS_FABRIC_ABORT_ISSUED;
2191 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2192 			&& (iport->fabric.retry_counter < FDLS_RETRY_COUNT)) {
2193 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2195 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED))
2201 			fnic_fdls_start_plogi(iport);	/* go back to fabric Plogi */
2206 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2207 			&& (iport->fabric.retry_counter < FDLS_RETRY_COUNT)) {
2208 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2210 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED))
2223 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2224 			&& (iport->fabric.retry_counter < FDLS_RETRY_COUNT)) {
2225 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2227 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED)) {
2235 			fnic_fdls_start_plogi(iport);	/* go back to fabric Plogi */
2240 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2241 			&& (iport->fabric.retry_counter < FDLS_RETRY_COUNT)) {
2242 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2244 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED))
2252 			fnic_fdls_start_plogi(iport);	/* go back to fabric Plogi */
2259 		if ((iport->fabric.flags & FNIC_FDLS_RETRY_FRAME)
2260 			&& (iport->fabric.retry_counter < FDLS_RETRY_COUNT)) {
2261 			iport->fabric.flags &= ~FNIC_FDLS_RETRY_FRAME;
2262 			fdls_send_gpn_ft(iport, iport->fabric.state);
2263 		} else if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED)) {
2269 			if (iport->fabric.retry_counter < FDLS_RETRY_COUNT) {
2270 				fdls_send_gpn_ft(iport, iport->fabric.state);
2273 					 "ABTS timeout for fabric GPN_FT. Check name server: %p",
2288 	iport->fabric.fdmi_pending = 0;
2290 	if (iport->fabric.fdmi_retry < FDLS_FDMI_MAX_RETRY) {
2291 		iport->fabric.fdmi_retry++;
2294 					 iport->fabric.fdmi_retry);
2301 	struct fnic_fdls_fabric_s *fabric = timer_container_of(fabric, t,
2304 		container_of(fabric, struct fnic_iport_s, fabric);
2311 		"iport->fabric.fdmi_pending: 0x%x\n", iport->fabric.fdmi_pending);
2313 	if (!iport->fabric.fdmi_pending) {
2319 		"iport->fabric.fdmi_pending: 0x%x\n", iport->fabric.fdmi_pending);
2322 	if (!(iport->fabric.fdmi_pending & FDLS_FDMI_ABORT_PENDING)) {
2328 		"iport->fabric.fdmi_pending: 0x%x\n", iport->fabric.fdmi_pending);
2334 	if (iport->fabric.fdmi_pending & FDLS_FDMI_PLOGI_PENDING) {
2340 		if (iport->fabric.fdmi_pending & FDLS_FDMI_REG_HBA_PENDING) {
2346 		if (iport->fabric.fdmi_pending & FDLS_FDMI_RPA_PENDING) {
2354 		"iport->fabric.fdmi_pending: 0x%x\n", iport->fabric.fdmi_pending);
2358 		"iport->fabric.fdmi_pending: 0x%x\n", iport->fabric.fdmi_pending);
2486 	iport->fabric.retry_counter = 0;
2488 	fdls_set_state((&iport->fabric), FDLS_STATE_FABRIC_FLOGI);
2489 	iport->fabric.flags = 0;
2494 	iport->fabric.retry_counter = 0;
2496 	fdls_set_state((&iport->fabric), FDLS_STATE_FABRIC_PLOGI);
2497 	iport->fabric.flags &= ~FNIC_FDLS_FABRIC_ABORT_ISSUED;
2501 		iport->fabric.fdmi_retry = 0;
2502 		timer_setup(&iport->fabric.fdmi_timer, fdls_fdmi_timer_callback,
2559 						 "tport 0x%p Canceling fabric disc timer\n",
2877 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
2906 		if (iport->fabric.timer_pending) {
2908 						 "Canceling fabric disc timer %p\n", iport);
2911 		iport->fabric.timer_pending = 0;
2913 		fdls_set_state((&iport->fabric), FDLS_STATE_SCR);
2931 			if (iport->fabric.timer_pending) {
2933 							 "Canceling fabric disc timer %p\n", iport);
2949 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
2980 		if (iport->fabric.timer_pending) {
2982 						 "Canceling fabric disc timer %p\n", iport);
2985 		iport->fabric.timer_pending = 0;
2988 		fdls_set_state((&iport->fabric), FDLS_STATE_REGISTER_FC4_FEATURES);
3006 			if (iport->fabric.timer_pending) {
3008 							 "Canceling fabric disc timer %p\n", iport);
3024 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
3052 		if (iport->fabric.timer_pending) {
3054 						 "Canceling fabric disc timer %p\n", iport);
3057 		iport->fabric.timer_pending = 0;
3060 		fdls_set_state((&iport->fabric), FDLS_STATE_REGISTER_FC4_TYPES);
3076 			if (iport->fabric.timer_pending) {
3078 							 "Canceling fabric disc timer %p\n", iport);
3094 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
3121 		if (iport->fabric.timer_pending) {
3123 						 "Canceling fabric disc timer %p\n", iport);
3126 		iport->fabric.timer_pending = 0;
3127 		iport->fabric.retry_counter = 0;
3145 			if (iport->fabric.timer_pending) {
3147 					     "Canceling fabric disc timer %p\n",
3225 		if (fdls_get_state((&iport->fabric)) == FDLS_STATE_RSCN_GPN_FT)
3241 	if (fdls_get_state((&iport->fabric)) == FDLS_STATE_RSCN_GPN_FT) {
3264 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
3281 	 *  during fabric discovery(FNIC_IPORT_STATE_FABRIC_DISC)
3316 		if (iport->fabric.timer_pending) {
3318 						 "0x%x: Canceling fabric disc timer\n",
3322 		iport->fabric.timer_pending = 0;
3323 		iport->fabric.retry_counter = 0;
3356 			if (iport->fabric.timer_pending) {
3358 							 "0x%x: Canceling fabric disc timer\n",
3362 			iport->fabric.timer_pending = 0;
3363 			iport->fabric.retry_counter = 0;
3401 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
3414 		if (iport->fabric.state != FDLS_STATE_FABRIC_LOGO) {
3416 				 "Flogo response. Fabric not in LOGO state. Dropping! %p",
3421 		iport->fabric.state = FDLS_STATE_FLOGO_DONE;
3424 		if (iport->fabric.timer_pending) {
3426 			 "iport 0x%p Canceling fabric disc timer\n",
3430 		iport->fabric.timer_pending = 0;
3432 					 "Flogo response from Fabric for did: 0x%x",
3438 			 "Flogo response from Fabric for did: 0x%x returned ELS_LS_RJT",
3453 	struct fnic_fdls_fabric_s *fabric = &iport->fabric;
3464 	if (fdls_get_state(fabric) != FDLS_STATE_FABRIC_FLOGI) {
3467 					 fdls_get_state(fabric));
3473 			fdls_get_state(fabric), oxid, iport->active_oxid_fabric_req);
3482 		if (iport->fabric.timer_pending) {
3484 						 "iport fcid: 0x%x Canceling fabric disc timer\n",
3489 		iport->fabric.timer_pending = 0;
3490 		iport->fabric.retry_counter = 0;
3504 					 "max_payload_size from fabric: %u set: %d", rdf_size,
3514 					 "From fabric: R_A_TOV: %d E_D_TOV: %d",
3536 		if (fdls_get_state(fabric) == FDLS_STATE_FABRIC_FLOGI) {
3541 			/* From FDLS_STATE_FABRIC_FLOGI state fabric can only go to
3548 				 fdls_get_state(fabric));
3554 		if (fabric->retry_counter < iport->max_flogi_retries) {
3560 			fabric->flags |= FNIC_FDLS_RETRY_FRAME;
3566 			if (iport->fabric.timer_pending) {
3568 							 "iport 0x%p Canceling fabric disc timer\n",
3572 			fabric->timer_pending = 0;
3573 			fabric->retry_counter = 0;
3592 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
3596 	if (fdls_get_state((&iport->fabric)) != FDLS_STATE_FABRIC_PLOGI) {
3598 			 "Fabric PLOGI response received in state (%d). Dropping frame",
3599 			 fdls_get_state(&iport->fabric));
3613 		if (iport->fabric.timer_pending) {
3615 				 "iport fcid: 0x%x fabric PLOGI response: Accepted\n",
3619 		iport->fabric.timer_pending = 0;
3620 		iport->fabric.retry_counter = 0;
3621 		fdls_set_state(&iport->fabric, FDLS_STATE_RPN_ID);
3628 			&& (iport->fabric.retry_counter < iport->max_plogi_retries)) {
3630 				 "0x%x: Fabric PLOGI ELS_LS_RJT BUSY. Retry from timer routine",
3634 				 "0x%x: Fabric PLOGI ELS_LS_RJT. Halting discovery",
3636 			if (iport->fabric.timer_pending) {
3638 							 "iport fcid: 0x%x Canceling fabric disc timer\n",
3642 			iport->fabric.timer_pending = 0;
3643 			iport->fabric.retry_counter = 0;
3661 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
3673 	iport->fabric.fdmi_pending &= ~FDLS_FDMI_PLOGI_PENDING;
3677 		timer_delete_sync(&iport->fabric.fdmi_timer);
3678 		iport->fabric.fdmi_pending = 0;
3690 			mod_timer(&iport->fabric.fdmi_timer,
3695 				 "Fabric FDMI PLOGI returned ELS_LS_RJT reason: 0x%x",
3700 				&& (iport->fabric.fdmi_retry < 7)) {
3701 				iport->fabric.fdmi_retry++;
3717 	if (!iport->fabric.fdmi_pending) {
3734 		iport->fabric.fdmi_pending &= ~FDLS_FDMI_REG_HBA_PENDING;
3737 		iport->fabric.fdmi_pending &= ~FDLS_FDMI_RPA_PENDING;
3745 	if (!iport->fabric.fdmi_pending) {
3746 		timer_delete_sync(&iport->fabric.fdmi_timer);
3776 			 "0x%x: iport->fabric.fdmi_pending: 0x%x",
3777 			 iport->fcid, iport->fabric.fdmi_pending);
3780 		iport->fabric.fdmi_pending &= ~FDLS_FDMI_PLOGI_PENDING;
3781 		iport->fabric.fdmi_pending &= ~FDLS_FDMI_ABORT_PENDING;
3783 			 "0x%x: iport->fabric.fdmi_pending: 0x%x",
3784 			 iport->fcid, iport->fabric.fdmi_pending);
3790 			 "0x%x: iport->fabric.fdmi_pending: 0x%x",
3791 			 iport->fcid, iport->fabric.fdmi_pending);
3793 		iport->fabric.fdmi_pending &= ~FDLS_FDMI_REG_HBA_PENDING;
3799 		if (!(iport->fabric.fdmi_pending & FDLS_FDMI_RPA_PENDING))
3800 			iport->fabric.fdmi_pending &= ~FDLS_FDMI_ABORT_PENDING;
3804 			 "0x%x: iport->fabric.fdmi_pending: 0x%x",
3805 			 iport->fcid, iport->fabric.fdmi_pending);
3811 			 "0x%x: iport->fabric.fdmi_pending: 0x%x",
3812 			 iport->fcid, iport->fabric.fdmi_pending);
3814 		iport->fabric.fdmi_pending &= ~FDLS_FDMI_RPA_PENDING;
3820 		if (!(iport->fabric.fdmi_pending & FDLS_FDMI_REG_HBA_PENDING))
3821 			iport->fabric.fdmi_pending &= ~FDLS_FDMI_ABORT_PENDING;
3825 			 "0x%x: iport->fabric.fdmi_pending: 0x%x",
3826 			 iport->fcid, iport->fabric.fdmi_pending);
3840 	if (!(iport->fabric.fdmi_pending & FDLS_FDMI_ABORT_PENDING)) {
3841 		timer_delete_sync(&iport->fabric.fdmi_timer);
3842 		if (!iport->fabric.fdmi_pending)
3854 	uint32_t fabric_state = iport->fabric.state;
3878 	if (iport->fabric.timer_pending) {
3880 					 "Canceling fabric disc timer %p\n", iport);
3883 	iport->fabric.timer_pending = 0;
3884 	iport->fabric.flags &= ~FNIC_FDLS_FABRIC_ABORT_ISSUED;
3903 		if (iport->fabric.retry_counter < iport->max_flogi_retries)
3910 		if (iport->fabric.retry_counter < FABRIC_LOGO_MAX_RETRY)
3914 		if (iport->fabric.retry_counter < iport->max_plogi_retries)
3921 		if (iport->fabric.retry_counter < FDLS_RETRY_COUNT)
3924 			/* go back to fabric Plogi */
3928 		if (iport->fabric.retry_counter < FDLS_RETRY_COUNT)
3932 				"SCR exhausted retries. Start fabric PLOGI %p",
3934 			fnic_fdls_start_plogi(iport);	/* go back to fabric Plogi */
3938 		if (iport->fabric.retry_counter < FDLS_RETRY_COUNT)
3942 				"RFT exhausted retries. Start fabric PLOGI %p",
3944 			fnic_fdls_start_plogi(iport);	/* go back to fabric Plogi */
3948 		if (iport->fabric.retry_counter < FDLS_RETRY_COUNT)
3952 				"RFF exhausted retries. Start fabric PLOGI %p",
3954 			fnic_fdls_start_plogi(iport);	/* go back to fabric Plogi */
3958 		if (iport->fabric.retry_counter <= FDLS_RETRY_COUNT)
3962 				"GPN FT exhausted retries. Start fabric PLOGI %p",
4229 					 "tport 0x%p Canceling fabric disc timer\n", tport);
4274 			&& (iport->fabric.state != FDLS_STATE_SEND_GPNFT)
4275 			&& (iport->fabric.state != FDLS_STATE_RSCN_GPN_FT)) {
4304 			&& (iport->fabric.state != FDLS_STATE_SEND_GPNFT)
4305 			&& (iport->fabric.state != FDLS_STATE_RSCN_GPN_FT)) {
4448 			&& (fdls_get_state(&iport->fabric) != FDLS_STATE_SEND_GPNFT)
4449 			&& (fdls_get_state(&iport->fabric) != FDLS_STATE_RSCN_GPN_FT)) {
4461 		if ((fdls_get_state(&iport->fabric) != FDLS_STATE_SEND_GPNFT) &&
4462 			(fdls_get_state(&iport->fabric) != FDLS_STATE_RSCN_GPN_FT)) {
4481 	struct fnic_fdls_fabric_s *fdls = &iport->fabric;
4745 	struct fnic_fdls_fabric_s *fabric = &iport->fabric;
4755 	if (fdls_get_state(fabric) > FDLS_STATE_FABRIC_FLOGI) {
4773 			if (!(iport->fabric.flags & FNIC_FDLS_FABRIC_ABORT_ISSUED)) {
4842 	/* solicited response from fabric or target */
4963 	if (iport->fabric.state == FDLS_STATE_FABRIC_LOGO &&
5060 	fdls_set_state((&iport->fabric), FDLS_STATE_INIT);
5071 	fdls_set_state((&iport->fabric), FDLS_STATE_LINKDOWN);
5072 	iport->fabric.flags = 0;
5084 		if (iport->fabric.fdmi_pending > 0) {
5085 			timer_delete_sync(&iport->fabric.fdmi_timer);
5086 			iport->fabric.fdmi_pending = 0;