macb: support statistics for GEM devices
GEM devices have a different number of statistics registers and they
are at a different offset to MACB devices. Make the statistics
collection method dependent on device type.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 354ed8f..1367b92 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -68,6 +68,7 @@
#define GEM_HRT 0x0084
#define GEM_SA1B 0x0088
#define GEM_SA1T 0x008C
+#define GEM_OTX 0x0100
/* Bitfields in NCR */
#define MACB_LB_OFFSET 0
@@ -425,6 +426,54 @@
u32 tx_pause_frames;
};
+struct gem_stats {
+ u32 tx_octets_31_0;
+ u32 tx_octets_47_32;
+ u32 tx_frames;
+ u32 tx_broadcast_frames;
+ u32 tx_multicast_frames;
+ u32 tx_pause_frames;
+ u32 tx_64_byte_frames;
+ u32 tx_65_127_byte_frames;
+ u32 tx_128_255_byte_frames;
+ u32 tx_256_511_byte_frames;
+ u32 tx_512_1023_byte_frames;
+ u32 tx_1024_1518_byte_frames;
+ u32 tx_greater_than_1518_byte_frames;
+ u32 tx_underrun;
+ u32 tx_single_collision_frames;
+ u32 tx_multiple_collision_frames;
+ u32 tx_excessive_collisions;
+ u32 tx_late_collisions;
+ u32 tx_deferred_frames;
+ u32 tx_carrier_sense_errors;
+ u32 rx_octets_31_0;
+ u32 rx_octets_47_32;
+ u32 rx_frames;
+ u32 rx_broadcast_frames;
+ u32 rx_multicast_frames;
+ u32 rx_pause_frames;
+ u32 rx_64_byte_frames;
+ u32 rx_65_127_byte_frames;
+ u32 rx_128_255_byte_frames;
+ u32 rx_256_511_byte_frames;
+ u32 rx_512_1023_byte_frames;
+ u32 rx_1024_1518_byte_frames;
+ u32 rx_greater_than_1518_byte_frames;
+ u32 rx_undersized_frames;
+ u32 rx_oversize_frames;
+ u32 rx_jabbers;
+ u32 rx_frame_check_sequence_errors;
+ u32 rx_length_field_frame_errors;
+ u32 rx_symbol_errors;
+ u32 rx_alignment_errors;
+ u32 rx_resource_errors;
+ u32 rx_overruns;
+ u32 rx_ip_header_checksum_errors;
+ u32 rx_tcp_checksum_errors;
+ u32 rx_udp_checksum_errors;
+};
+
struct macb {
void __iomem *regs;
@@ -443,7 +492,10 @@
struct net_device *dev;
struct napi_struct napi;
struct net_device_stats stats;
- struct macb_stats hw_stats;
+ union {
+ struct macb_stats macb;
+ struct gem_stats gem;
+ } hw_stats;
dma_addr_t rx_ring_dma;
dma_addr_t tx_ring_dma;