172 	struct fcoe_port *fcoe;  in fcoe_demux()  local
174 	list_for_each_entry ( fcoe, &fcoe_ports, list ) {  in fcoe_demux()
175 		if ( fcoe->netdev == netdev )  in fcoe_demux()
176 			return fcoe;  in fcoe_demux()
186 static void fcoe_reset ( struct fcoe_port *fcoe ) {  in fcoe_reset()  argument
189 	intf_restart ( &fcoe->transport, -ECANCELED );  in fcoe_reset()
192 	stop_timer ( &fcoe->timer );  in fcoe_reset()
193 	fcoe->timeouts = 0;  in fcoe_reset()
194 	fcoe->flags = 0;  in fcoe_reset()
195 	fcoe->priority = ( FIP_LOWEST_PRIORITY + 1 );  in fcoe_reset()
196 	fcoe->keepalive = 0;  in fcoe_reset()
197 	memcpy ( fcoe->fcf_mac, default_fcf_mac,  in fcoe_reset()
198 		 sizeof ( fcoe->fcf_mac ) );  in fcoe_reset()
199 	memcpy ( fcoe->local_mac, fcoe->netdev->ll_addr,  in fcoe_reset()
200 		 sizeof ( fcoe->local_mac ) );  in fcoe_reset()
203 	if ( netdev_is_open ( fcoe->netdev ) &&  in fcoe_reset()
204 	     netdev_link_ok ( fcoe->netdev ) ) {  in fcoe_reset()
205 		fcoe->flags |= FCOE_HAVE_NETWORK;  in fcoe_reset()
206 		start_timer_nodelay ( &fcoe->timer );  in fcoe_reset()
207 		DBGC ( fcoe, "FCoE %s starting %s\n", fcoe->netdev->name,  in fcoe_reset()
208 		       ( vlan_can_be_trunk ( fcoe->netdev ) ?  in fcoe_reset()
213 	xfer_window_changed ( &fcoe->transport );  in fcoe_reset()
224 static int fcoe_deliver ( struct fcoe_port *fcoe,  in fcoe_deliver()  argument
242 	     ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ) {  in fcoe_deliver()
256 		if ( fcoe->flags & FCOE_FCF_ALLOWS_SPMA ) {  in fcoe_deliver()
257 			memcpy ( fipmac->mac, fcoe->netdev->ll_addr,  in fcoe_deliver()
269 		fiphdr->flags = ( ( fcoe->flags & FCOE_FCF_ALLOWS_SPMA ) ?  in fcoe_deliver()
274 		ll_source = fcoe->netdev->ll_addr;  in fcoe_deliver()
297 		ll_source = fcoe->local_mac;  in fcoe_deliver()
301 	if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev, net_protocol,  in fcoe_deliver()
302 			     fcoe->fcf_mac, ll_source ) ) != 0 ) {  in fcoe_deliver()
303 		DBGC ( fcoe, "FCoE %s could not transmit: %s\n",  in fcoe_deliver()
304 		       fcoe->netdev->name, strerror ( rc ) );  in fcoe_deliver()
319 static struct io_buffer * fcoe_alloc_iob ( struct fcoe_port *fcoe __unused,  in fcoe_alloc_iob()
347 	struct fcoe_port *fcoe;  in fcoe_rx()  local
351 	if ( ( fcoe = fcoe_demux ( netdev ) ) == NULL ) {  in fcoe_rx()
359 	if ( ( memcmp ( fcoe->local_mac, ll_dest,  in fcoe_rx()
360 			sizeof ( fcoe->local_mac ) ) != 0 ) &&  in fcoe_rx()
363 		DBGC2 ( fcoe, "FCoE %s ignoring packet for %s\n",  in fcoe_rx()
364 			fcoe->netdev->name, eth_ntoa ( ll_dest ) );  in fcoe_rx()
371 		DBGC ( fcoe, "FCoE %s received under-length frame (%zd "  in fcoe_rx()
372 		       "bytes)\n", fcoe->netdev->name, iob_len ( iobuf ) );  in fcoe_rx()
385 		DBGC ( fcoe, "FCoE %s received unsupported frame version "  in fcoe_rx()
386 		       "%02x\n", fcoe->netdev->name, fcoehdr->version );  in fcoe_rx()
392 		DBGC ( fcoe, "FCoE %s received unsupported start-of-frame "  in fcoe_rx()
393 		       "delimiter %02x\n", fcoe->netdev->name, fcoehdr->sof );  in fcoe_rx()
399 		DBGC ( fcoe, "FCoE %s received invalid CRC\n",  in fcoe_rx()
400 		       fcoe->netdev->name );  in fcoe_rx()
406 		DBGC ( fcoe, "FCoE %s received unsupported end-of-frame "  in fcoe_rx()
407 		       "delimiter %02x\n", fcoe->netdev->name, fcoeftr->eof );  in fcoe_rx()
413 	if ( ( fcoe->flags & FCOE_HAVE_FCF ) &&  in fcoe_rx()
414 	     ( ! ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ) ) {  in fcoe_rx()
415 		memcpy ( &fcoe->fcf_mac, ll_source, sizeof ( fcoe->fcf_mac ) );  in fcoe_rx()
419 	if ( ( rc = xfer_deliver_iob ( &fcoe->transport,  in fcoe_rx()
421 		DBGC ( fcoe, "FCoE %s could not deliver frame: %s\n",  in fcoe_rx()
422 		       fcoe->netdev->name, strerror ( rc ) );  in fcoe_rx()
437 static size_t fcoe_window ( struct fcoe_port *fcoe ) {  in fcoe_window()  argument
438 	return ( ( fcoe->flags & FCOE_HAVE_FCF ) ? ~( ( size_t ) 0 ) : 0 );  in fcoe_window()
447 static void fcoe_close ( struct fcoe_port *fcoe, int rc ) {  in fcoe_close()  argument
449 	stop_timer ( &fcoe->timer );  in fcoe_close()
450 	intf_shutdown ( &fcoe->transport, rc );  in fcoe_close()
451 	netdev_put ( fcoe->netdev );  in fcoe_close()
452 	list_del ( &fcoe->list );  in fcoe_close()
453 	ref_put ( &fcoe->refcnt );  in fcoe_close()
462 static struct device * fcoe_identify_device ( struct fcoe_port *fcoe ) {  in fcoe_identify_device()  argument
463 	return fcoe->netdev->dev;  in fcoe_identify_device()
496 static int fcoe_fip_parse ( struct fcoe_port *fcoe, struct fip_header *fiphdr,  in fcoe_fip_parse()  argument
506 		DBGC ( fcoe, "FCoE %s received unsupported FIP version %02x\n",  in fcoe_fip_parse()
507 		       fcoe->netdev->name, fiphdr->version );  in fcoe_fip_parse()
514 		DBGC ( fcoe, "FCoE %s received bad descriptor list length\n",  in fcoe_fip_parse()
515 		       fcoe->netdev->name );  in fcoe_fip_parse()
530 			DBGC ( fcoe, "FCoE %s received zero-length "  in fcoe_fip_parse()
531 			       "descriptor\n", fcoe->netdev->name );  in fcoe_fip_parse()
535 			DBGC ( fcoe, "FCoE %s descriptor overrun\n",  in fcoe_fip_parse()
536 			       fcoe->netdev->name );  in fcoe_fip_parse()
551 			DBGC ( fcoe, "FCoE %s cannot understand critical "  in fcoe_fip_parse()
553 			       fcoe->netdev->name, desc_type );  in fcoe_fip_parse()
569 static int fcoe_fip_tx_vlan ( struct fcoe_port *fcoe ) {  in fcoe_fip_tx_vlan()  argument
594 	memcpy ( request->mac_address.mac, fcoe->netdev->ll_addr,  in fcoe_fip_tx_vlan()
598 	if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev,  in fcoe_fip_tx_vlan()
600 			     fcoe->netdev->ll_addr ) ) != 0 ) {  in fcoe_fip_tx_vlan()
601 		DBGC ( fcoe, "FCoE %s could not send VLAN request: "  in fcoe_fip_tx_vlan()
602 		       "%s\n", fcoe->netdev->name, strerror ( rc ) );  in fcoe_fip_tx_vlan()
617 static int fcoe_fip_rx_vlan ( struct fcoe_port *fcoe,  in fcoe_fip_rx_vlan()  argument
627 		DBGC ( fcoe, "FCoE %s received VLAN notification missing MAC "  in fcoe_fip_rx_vlan()
628 		       "address\n", fcoe->netdev->name );  in fcoe_fip_rx_vlan()
632 		DBGC ( fcoe, "FCoE %s received VLAN notification missing VLAN "  in fcoe_fip_rx_vlan()
633 		       "tag\n", fcoe->netdev->name );  in fcoe_fip_rx_vlan()
639 	DBGC ( fcoe, "FCoE %s creating VLAN %d for FCF %s\n",  in fcoe_fip_rx_vlan()
640 	       fcoe->netdev->name, tag, eth_ntoa ( mac_address->mac ) );  in fcoe_fip_rx_vlan()
641 	if ( ( rc = vlan_create ( fcoe->netdev, tag,  in fcoe_fip_rx_vlan()
643 		DBGC ( fcoe, "FCoE %s could not create VLAN %d: %s\n",  in fcoe_fip_rx_vlan()
644 		       fcoe->netdev->name, tag, strerror ( rc ) );  in fcoe_fip_rx_vlan()
652 	fcoe->flags |= FCOE_VLAN_FOUND;  in fcoe_fip_rx_vlan()
663 static int fcoe_fip_tx_solicitation ( struct fcoe_port *fcoe ) {  in fcoe_fip_tx_solicitation()  argument
691 	memcpy ( solicitation->mac_address.mac, fcoe->netdev->ll_addr,  in fcoe_fip_tx_solicitation()
695 	memcpy ( &solicitation->name_id.name, &fcoe->node_wwn.fc,  in fcoe_fip_tx_solicitation()
705 	if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev,  in fcoe_fip_tx_solicitation()
707 			     fcoe->netdev->ll_addr ) ) != 0 ) {  in fcoe_fip_tx_solicitation()
708 		DBGC ( fcoe, "FCoE %s could not send discovery solicitation: "  in fcoe_fip_tx_solicitation()
709 		       "%s\n", fcoe->netdev->name, strerror ( rc ) );  in fcoe_fip_tx_solicitation()
724 static int fcoe_fip_rx_advertisement ( struct fcoe_port *fcoe,  in fcoe_fip_rx_advertisement()  argument
733 		DBGC ( fcoe, "FCoE %s received advertisement missing "  in fcoe_fip_rx_advertisement()
734 		       "priority\n", fcoe->netdev->name );  in fcoe_fip_rx_advertisement()
738 		DBGC ( fcoe, "FCoE %s received advertisement missing MAC "  in fcoe_fip_rx_advertisement()
739 		       "address\n", fcoe->netdev->name );  in fcoe_fip_rx_advertisement()
743 		DBGC ( fcoe, "FCoE %s received advertisement missing FKA ADV "  in fcoe_fip_rx_advertisement()
744 		       "period\n", fcoe->netdev->name );  in fcoe_fip_rx_advertisement()
748 	if ( ! ( fcoe->flags & FCOE_HAVE_FCF ) ) {  in fcoe_fip_rx_advertisement()
756 		     ( priority->priority < fcoe->priority ) ) {  in fcoe_fip_rx_advertisement()
758 			fcoe->flags |= FCOE_HAVE_FIP_FCF;  in fcoe_fip_rx_advertisement()
759 			fcoe->priority = priority->priority;  in fcoe_fip_rx_advertisement()
761 				fcoe->keepalive = 0;  in fcoe_fip_rx_advertisement()
763 				fcoe->keepalive = ntohl ( fka_adv_p->period );  in fcoe_fip_rx_advertisement()
765 			fcoe->flags &= ~FCOE_FCF_ALLOWS_SPMA;  in fcoe_fip_rx_advertisement()
767 				fcoe->flags |= FCOE_FCF_ALLOWS_SPMA;  in fcoe_fip_rx_advertisement()
768 			memcpy ( fcoe->fcf_mac, mac_address->mac,  in fcoe_fip_rx_advertisement()
769 				 sizeof ( fcoe->fcf_mac ) );  in fcoe_fip_rx_advertisement()
770 			DBGC ( fcoe, "FCoE %s selected FCF %s (pri %d",  in fcoe_fip_rx_advertisement()
771 			       fcoe->netdev->name, eth_ntoa ( fcoe->fcf_mac ),  in fcoe_fip_rx_advertisement()
772 			       fcoe->priority );  in fcoe_fip_rx_advertisement()
773 			if ( fcoe->keepalive ) {  in fcoe_fip_rx_advertisement()
774 				DBGC ( fcoe, ", FKA ADV %dms",  in fcoe_fip_rx_advertisement()
775 				       fcoe->keepalive );  in fcoe_fip_rx_advertisement()
777 			DBGC ( fcoe, ", %cPMA)\n",  in fcoe_fip_rx_advertisement()
778 			       ( ( fcoe->flags & FCOE_FCF_ALLOWS_SPMA ) ?  in fcoe_fip_rx_advertisement()
782 	} else if ( fcoe->flags & FCOE_HAVE_FIP_FCF ) {  in fcoe_fip_rx_advertisement()
788 		if ( memcmp ( fcoe->fcf_mac, mac_address->mac,  in fcoe_fip_rx_advertisement()
789 			      sizeof ( fcoe->fcf_mac ) ) == 0 ) {  in fcoe_fip_rx_advertisement()
790 			fcoe->timeouts = 0;  in fcoe_fip_rx_advertisement()
799 		fcoe_reset ( fcoe );  in fcoe_fip_rx_advertisement()
814 static int fcoe_fip_rx_els_response ( struct fcoe_port *fcoe,  in fcoe_fip_rx_els_response()  argument
825 		DBGC ( fcoe, "FCoE %s received ELS response missing FLOGI\n",  in fcoe_fip_rx_els_response()
826 		       fcoe->netdev->name );  in fcoe_fip_rx_els_response()
830 		DBGC ( fcoe, "FCoE %s received ELS response missing MAC "  in fcoe_fip_rx_els_response()
831 		       "address\n", fcoe->netdev->name );  in fcoe_fip_rx_els_response()
836 	memcpy ( fcoe->local_mac, mac_address->mac, sizeof ( fcoe->local_mac ));  in fcoe_fip_rx_els_response()
837 	DBGC ( fcoe, "FCoE %s using local MAC %s\n",  in fcoe_fip_rx_els_response()
838 	       fcoe->netdev->name, eth_ntoa ( fcoe->local_mac ) );  in fcoe_fip_rx_els_response()
843 	if ( ( rc = xfer_deliver_raw ( &fcoe->transport, frame,  in fcoe_fip_rx_els_response()
845 		DBGC ( fcoe, "FCoE %s could not deliver FIP FLOGI frame: %s\n",  in fcoe_fip_rx_els_response()
846 		       fcoe->netdev->name, strerror ( rc ) );  in fcoe_fip_rx_els_response()
859 static int fcoe_fip_tx_keepalive ( struct fcoe_port *fcoe ) {  in fcoe_fip_tx_keepalive()  argument
884 	memcpy ( keepalive->mac_address.mac, fcoe->netdev->ll_addr,  in fcoe_fip_tx_keepalive()
888 	if ( ( rc = net_tx ( iob_disown ( iobuf ), fcoe->netdev,  in fcoe_fip_tx_keepalive()
889 			     &fip_protocol, fcoe->fcf_mac,  in fcoe_fip_tx_keepalive()
890 			     fcoe->netdev->ll_addr ) ) != 0 ) {  in fcoe_fip_tx_keepalive()
891 		DBGC ( fcoe, "FCoE %s could not send keepalive: %s\n",  in fcoe_fip_tx_keepalive()
892 		       fcoe->netdev->name, strerror ( rc ) );  in fcoe_fip_tx_keepalive()
913 	int ( * rx ) ( struct fcoe_port *fcoe, struct fip_descriptors *descs,
945 	struct fcoe_port *fcoe;  in fcoe_fip_rx()  local
950 	if ( ( fcoe = fcoe_demux ( netdev ) ) == NULL ) {  in fcoe_fip_rx()
958 	if ( ( memcmp ( fcoe->netdev->ll_addr, ll_dest, ETH_ALEN ) != 0 ) &&  in fcoe_fip_rx()
963 		DBGC2 ( fcoe, "FCoE %s ignoring FIP packet for %s\n",  in fcoe_fip_rx()
964 			fcoe->netdev->name, eth_ntoa ( ll_dest ) );  in fcoe_fip_rx()
970 	if ( ( rc = fcoe_fip_parse ( fcoe, fiphdr, iob_len ( iobuf ),  in fcoe_fip_rx()
980 			rc = handler->rx ( fcoe, &descs,  in fcoe_fip_rx()
985 	DBGC ( fcoe, "FCoE %s received unsupported FIP code %04x.%02x\n",  in fcoe_fip_rx()
986 	       fcoe->netdev->name, ntohs ( fiphdr->code ), fiphdr->subcode );  in fcoe_fip_rx()
1008 	struct fcoe_port *fcoe =  in fcoe_expired()  local
1013 	assert ( fcoe->flags & FCOE_HAVE_NETWORK );  in fcoe_expired()
1016 	fcoe->timeouts++;  in fcoe_expired()
1018 	if ( vlan_can_be_trunk ( fcoe->netdev ) &&  in fcoe_expired()
1019 	     ! ( fcoe->flags & FCOE_VLAN_TIMED_OUT ) ) {  in fcoe_expired()
1024 		if ( fcoe->flags & FCOE_VLAN_FOUND ) {  in fcoe_expired()
1025 			fcoe->flags &= ~FCOE_VLAN_FOUND;  in fcoe_expired()
1026 			fcoe->timeouts = 0;  in fcoe_expired()
1027 			start_timer_fixed ( &fcoe->timer,  in fcoe_expired()
1029 			fcoe_fip_tx_vlan ( fcoe );  in fcoe_expired()
1037 		if ( fcoe->timeouts <= FCOE_MAX_VLAN_REQUESTS ) {  in fcoe_expired()
1038 			start_timer_fixed ( &fcoe->timer,  in fcoe_expired()
1040 			fcoe_fip_tx_vlan ( fcoe );  in fcoe_expired()
1047 		fcoe->flags |= FCOE_VLAN_TIMED_OUT;  in fcoe_expired()
1048 		fcoe->timeouts = 0;  in fcoe_expired()
1049 		DBGC ( fcoe, "FCoE %s giving up on VLAN discovery\n",  in fcoe_expired()
1050 		       fcoe->netdev->name );  in fcoe_expired()
1051 		start_timer_nodelay ( &fcoe->timer );  in fcoe_expired()
1053 	} else if ( ! ( fcoe->flags & FCOE_HAVE_FCF ) ) {  in fcoe_expired()
1059 		start_timer_fixed ( &fcoe->timer, FCOE_FIP_RETRY_DELAY );  in fcoe_expired()
1060 		if ( ( ! ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ) &&  in fcoe_expired()
1061 		     ( fcoe->timeouts <= FCOE_MAX_FIP_SOLICITATIONS ) ) {  in fcoe_expired()
1062 			fcoe_fip_tx_solicitation ( fcoe );  in fcoe_expired()
1067 		if ( ( rc = fc_port_open ( &fcoe->transport, &fcoe->node_wwn.fc,  in fcoe_expired()
1068 					   &fcoe->port_wwn.fc,  in fcoe_expired()
1069 					   fcoe->netdev->name ) ) != 0 ) {  in fcoe_expired()
1070 			DBGC ( fcoe, "FCoE %s could not create FC port: %s\n",  in fcoe_expired()
1071 			       fcoe->netdev->name, strerror ( rc ) );  in fcoe_expired()
1075 		stop_timer ( &fcoe->timer );  in fcoe_expired()
1080 		fcoe->flags |= FCOE_HAVE_FCF;  in fcoe_expired()
1081 		fcoe->timeouts = 0;  in fcoe_expired()
1082 		DBGC ( fcoe, "FCoE %s using %sFIP FCF %s\n", fcoe->netdev->name,  in fcoe_expired()
1083 		       ( ( fcoe->flags & FCOE_HAVE_FIP_FCF ) ? "" : "non-" ),  in fcoe_expired()
1084 		       eth_ntoa ( fcoe->fcf_mac ) );  in fcoe_expired()
1087 		if ( fcoe->keepalive )  in fcoe_expired()
1088 			start_timer_nodelay ( &fcoe->timer );  in fcoe_expired()
1091 		xfer_window_changed ( &fcoe->transport );  in fcoe_expired()
1096 		start_timer_fixed ( &fcoe->timer,  in fcoe_expired()
1097 				    ( fcoe->keepalive * TICKS_PER_MS ) );  in fcoe_expired()
1098 		fcoe_fip_tx_keepalive ( fcoe );  in fcoe_expired()
1101 		if ( fcoe->timeouts > FCOE_MAX_FIP_MISSING_KEEPALIVES ) {  in fcoe_expired()
1102 			DBGC ( fcoe, "FCoE %s abandoning FCF %s\n",  in fcoe_expired()
1103 			       fcoe->netdev->name, eth_ntoa ( fcoe->fcf_mac ));  in fcoe_expired()
1104 			fcoe_reset ( fcoe );  in fcoe_expired()
1117 	struct fcoe_port *fcoe;  in fcoe_probe()  local
1129 	fcoe = zalloc ( sizeof ( *fcoe ) );  in fcoe_probe()
1130 	if ( ! fcoe ) {  in fcoe_probe()
1134 	ref_init ( &fcoe->refcnt, NULL );  in fcoe_probe()
1135 	intf_init ( &fcoe->transport, &fcoe_transport_desc, &fcoe->refcnt );  in fcoe_probe()
1136 	timer_init ( &fcoe->timer, fcoe_expired, &fcoe->refcnt );  in fcoe_probe()
1137 	fcoe->netdev = netdev_get ( netdev );  in fcoe_probe()
1140 	fcoe->node_wwn.fcoe.authority = htons ( FCOE_AUTHORITY_IEEE );  in fcoe_probe()
1141 	memcpy ( &fcoe->node_wwn.fcoe.mac, netdev->ll_addr,  in fcoe_probe()
1142 		 sizeof ( fcoe->node_wwn.fcoe.mac ) );  in fcoe_probe()
1143 	fcoe->port_wwn.fcoe.authority = htons ( FCOE_AUTHORITY_IEEE_EXTENDED );  in fcoe_probe()
1144 	memcpy ( &fcoe->port_wwn.fcoe.mac, netdev->ll_addr,  in fcoe_probe()
1145 		 sizeof ( fcoe->port_wwn.fcoe.mac ) );  in fcoe_probe()
1147 	DBGC ( fcoe, "FCoE %s is %s", fcoe->netdev->name,  in fcoe_probe()
1148 	       fc_ntoa ( &fcoe->node_wwn.fc ) );  in fcoe_probe()
1149 	DBGC ( fcoe, " port %s\n", fc_ntoa ( &fcoe->port_wwn.fc ) );  in fcoe_probe()
1152 	list_add ( &fcoe->list, &fcoe_ports );  in fcoe_probe()
1155 	netdev_put ( fcoe->netdev );  in fcoe_probe()
1167 	struct fcoe_port *fcoe;  in fcoe_notify()  local
1170 	if ( ( fcoe = fcoe_demux ( netdev ) ) == NULL ) {  in fcoe_notify()
1179 		 ( fcoe->flags & FCOE_HAVE_NETWORK ) ) ) {  in fcoe_notify()
1180 		fcoe_reset ( fcoe );  in fcoe_notify()
1190 	struct fcoe_port *fcoe;  in fcoe_remove()  local
1193 	if ( ( fcoe = fcoe_demux ( netdev ) ) == NULL ) {  in fcoe_remove()
1200 	fcoe_close ( fcoe, 0 );  in fcoe_remove()