4   Copyright (C) 2007-2009  STMicroelectronics Ltd
17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
34 	if (unlikely(p->des01.tx.error_summary)) {  in ndesc_get_tx_status()
35 		if (unlikely(p->des01.tx.underflow_error)) {  in ndesc_get_tx_status()
36 			x->tx_underflow++;  in ndesc_get_tx_status()
37 			stats->tx_fifo_errors++;  in ndesc_get_tx_status()
39 		if (unlikely(p->des01.tx.no_carrier)) {  in ndesc_get_tx_status()
40 			x->tx_carrier++;  in ndesc_get_tx_status()
41 			stats->tx_carrier_errors++;  in ndesc_get_tx_status()
43 		if (unlikely(p->des01.tx.loss_carrier)) {  in ndesc_get_tx_status()
44 			x->tx_losscarrier++;  in ndesc_get_tx_status()
45 			stats->tx_carrier_errors++;  in ndesc_get_tx_status()
47 		if (unlikely((p->des01.tx.excessive_deferral) ||  in ndesc_get_tx_status()
48 			     (p->des01.tx.excessive_collisions) ||  in ndesc_get_tx_status()
49 			     (p->des01.tx.late_collision)))  in ndesc_get_tx_status()
50 			stats->collisions += p->des01.tx.collision_count;  in ndesc_get_tx_status()
51 		ret = -1;  in ndesc_get_tx_status()
54 	if (p->des01.etx.vlan_frame) {  in ndesc_get_tx_status()
55 		CHIP_DBG(KERN_INFO "GMAC TX status: VLAN frame\n");  in ndesc_get_tx_status()
56 		x->tx_vlan++;  in ndesc_get_tx_status()
59 	if (unlikely(p->des01.tx.deferred))  in ndesc_get_tx_status()
60 		x->tx_deferred++;  in ndesc_get_tx_status()
67 	return p->des01.tx.buffer1_size;  in ndesc_get_tx_len()
80 	if (unlikely(p->des01.rx.last_descriptor == 0)) {  in ndesc_get_rx_status()
83 		stats->rx_length_errors++;  in ndesc_get_rx_status()
87 	if (unlikely(p->des01.rx.error_summary)) {  in ndesc_get_rx_status()
88 		if (unlikely(p->des01.rx.descriptor_error))  in ndesc_get_rx_status()
89 			x->rx_desc++;  in ndesc_get_rx_status()
90 		if (unlikely(p->des01.rx.sa_filter_fail))  in ndesc_get_rx_status()
91 			x->sa_filter_fail++;  in ndesc_get_rx_status()
92 		if (unlikely(p->des01.rx.overflow_error))  in ndesc_get_rx_status()
93 			x->overflow_error++;  in ndesc_get_rx_status()
94 		if (unlikely(p->des01.rx.ipc_csum_error))  in ndesc_get_rx_status()
95 			x->ipc_csum_error++;  in ndesc_get_rx_status()
96 		if (unlikely(p->des01.rx.collision)) {  in ndesc_get_rx_status()
97 			x->rx_collision++;  in ndesc_get_rx_status()
98 			stats->collisions++;  in ndesc_get_rx_status()
100 		if (unlikely(p->des01.rx.crc_error)) {  in ndesc_get_rx_status()
101 			x->rx_crc++;  in ndesc_get_rx_status()
102 			stats->rx_crc_errors++;  in ndesc_get_rx_status()
106 	if (unlikely(p->des01.rx.dribbling))  in ndesc_get_rx_status()
107 		x->dribbling_bit++;  in ndesc_get_rx_status()
109 	if (unlikely(p->des01.rx.length_error)) {  in ndesc_get_rx_status()
110 		x->rx_length++;  in ndesc_get_rx_status()
113 	if (unlikely(p->des01.rx.mii_error)) {  in ndesc_get_rx_status()
114 		x->rx_mii++;  in ndesc_get_rx_status()
118 	if (p->des01.rx.vlan_tag)  in ndesc_get_rx_status()
119 		x->vlan_tag++;  in ndesc_get_rx_status()
129 		p->des01.rx.own = 1;  in ndesc_init_rx_desc()
130 		p->des01.rx.buffer1_size = BUF_SIZE_2KiB - 1;  in ndesc_init_rx_desc()
132 		ndesc_rx_set_on_ring_chain(p, (i == ring_size - 1));  in ndesc_init_rx_desc()
135 			p->des01.rx.disable_ic = 1;  in ndesc_init_rx_desc()
144 		p->des01.tx.own = 0;  in ndesc_init_tx_desc()
145 		ndesc_tx_set_on_ring_chain(p, (i == (ring_size - 1)));  in ndesc_init_tx_desc()
152 	return p->des01.tx.own;  in ndesc_get_tx_owner()
157 	return p->des01.rx.own;  in ndesc_get_rx_owner()
162 	p->des01.tx.own = 1;  in ndesc_set_tx_owner()
167 	p->des01.rx.own = 1;  in ndesc_set_rx_owner()
172 	return p->des01.tx.last_segment;  in ndesc_get_tx_ls()
177 	int ter = p->des01.tx.end_ring;  in ndesc_release_tx_desc()
186 	p->des01.tx.first_segment = is_fs;  in ndesc_prepare_tx_desc()
190 		p->des01.tx.checksum_insertion = cic_full;  in ndesc_prepare_tx_desc()
195 	p->des01.tx.interrupt = 0;  in ndesc_clear_tx_ic()
200 	p->des01.tx.last_segment = 1;  in ndesc_close_tx_desc()
201 	p->des01.tx.interrupt = 1;  in ndesc_close_tx_desc()
206 	return p->des01.rx.frame_length;  in ndesc_get_rx_frame_len()