diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.c | 55 | ||||
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 256 |
2 files changed, 307 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 3767271c7667..dd8c202c0708 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1827,12 +1827,23 @@ static int macb_close(struct net_device *dev) static void gem_update_stats(struct macb *bp) { - u32 __iomem *reg = bp->regs + GEM_OTX; + int i; u32 *p = &bp->hw_stats.gem.tx_octets_31_0; - u32 *end = &bp->hw_stats.gem.rx_udp_checksum_errors + 1; - for (; p < end; p++, reg++) - *p += __raw_readl(reg); + for (i = 0; i < GEM_STATS_LEN; ++i, ++p) { + u32 offset = gem_statistics[i].offset; + u64 val = __raw_readl(bp->regs+offset); + + bp->ethtool_stats[i] += val; + *p += val; + + if (offset == GEM_OCTTXL || offset == GEM_OCTRXL) { + /* Add GEM_OCTTXH, GEM_OCTRXH */ + val = __raw_readl(bp->regs+offset+4); + bp->ethtool_stats[i] += ((u64)val)<<32; + *(++p) += val; + } + } } static struct net_device_stats *gem_get_stats(struct macb *bp) @@ -1873,6 +1884,39 @@ static struct net_device_stats *gem_get_stats(struct macb *bp) return nstat; } +static void gem_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct macb *bp; + + bp = netdev_priv(dev); + gem_update_stats(bp); + memcpy(data, &bp->ethtool_stats, sizeof(u64)*GEM_STATS_LEN); +} + +static int gem_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return GEM_STATS_LEN; + default: + return -EOPNOTSUPP; + } +} + +static void gem_get_ethtool_strings(struct net_device *dev, u32 sset, u8 *p) +{ + int i; + + switch (sset) { + case ETH_SS_STATS: + for (i = 0; i < GEM_STATS_LEN; i++, p += ETH_GSTRING_LEN) + memcpy(p, gem_statistics[i].stat_string, + ETH_GSTRING_LEN); + break; + } +} + struct net_device_stats *macb_get_stats(struct net_device *dev) { struct macb *bp = netdev_priv(dev); @@ -1988,6 +2032,9 @@ const struct ethtool_ops macb_ethtool_ops = { .get_regs = macb_get_regs, .get_link = ethtool_op_get_link, .get_ts_info = ethtool_op_get_ts_info, + .get_ethtool_stats = gem_get_ethtool_stats, + .get_strings = gem_get_ethtool_strings, + .get_sset_count = gem_get_sset_count, }; EXPORT_SYMBOL_GPL(macb_ethtool_ops); diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 8e8c3c9fda3b..378b2183ab8d 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -82,6 +82,159 @@ #define GEM_SA4B 0x00A0 /* Specific4 Bottom */ #define GEM_SA4T 0x00A4 /* Specific4 Top */ #define GEM_OTX 0x0100 /* Octets transmitted */ +#define GEM_OCTTXL 0x0100 /* Octets transmitted + * [31:0] + */ +#define GEM_OCTTXH 0x0104 /* Octets transmitted + * [47:32] + */ +#define GEM_TXCNT 0x0108 /* Error-free Frames + * Transmitted counter + */ +#define GEM_TXBCCNT 0x010c /* Error-free Broadcast + * Frames counter + */ +#define GEM_TXMCCNT 0x0110 /* Error-free Multicast + * Frames counter + */ +#define GEM_TXPAUSECNT 0x0114 /* Pause Frames + * Transmitted Counter + */ +#define GEM_TX64CNT 0x0118 /* Error-free 64 byte + * Frames Transmitted + * counter + */ +#define GEM_TX65CNT 0x011c /* Error-free 65-127 byte + * Frames Transmitted + * counter + */ +#define GEM_TX128CNT 0x0120 /* Error-free 128-255 + * byte Frames + * Transmitted counter + */ +#define GEM_TX256CNT 0x0124 /* Error-free 256-511 + * byte Frames + * transmitted counter + */ +#define GEM_TX512CNT 0x0128 /* Error-free 512-1023 + * byte Frames + * transmitted counter + */ +#define GEM_TX1024CNT 0x012c /* Error-free 1024-1518 + * byte Frames + * transmitted counter + */ +#define GEM_TX1519CNT 0x0130 /* Error-free larger than + * 1519 byte Frames + * tranmitted counter + */ +#define GEM_TXURUNCNT 0x0134 /* TX under run error + * counter + */ +#define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame + * Counter + */ +#define GEM_MULTICOLLCNT 0x013c /* Multiple Collision + * Frame Counter + */ +#define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision + * Frame Counter + */ +#define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame + * Counter + */ +#define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission + * Frame Counter + */ +#define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error + * Counter + */ +#define GEM_ORX 0x0150 /* Octets received */ +#define GEM_OCTRXL 0x0150 /* Octets received + * [31:0] + */ +#define GEM_OCTRXH 0x0154 /* Octets received + * [47:32] + */ +#define GEM_RXCNT 0x0158 /* Error-free Frames + * Received Counter + */ +#define GEM_RXBROADCNT 0x015c /* Error-free Broadcast + * Frames Received + * Counter + */ +#define GEM_RXMULTICNT 0x0160 /* Error-free Multicast + * Frames Received + * Counter + */ +#define GEM_RXPAUSECNT 0x0164 /* Error-free Pause + * Frames Received + * Counter + */ +#define GEM_RX64CNT 0x0168 /* Error-free 64 byte + * Frames Received + * Counter + */ +#define GEM_RX65CNT 0x016c /* Error-free 65-127 byte + * Frames Received + * Counter + */ +#define GEM_RX128CNT 0x0170 /* Error-free 128-255 + * byte Frames Received + * Counter + */ +#define GEM_RX256CNT 0x0174 /* Error-free 256-511 + * byte Frames Received + * Counter + */ +#define GEM_RX512CNT 0x0178 /* Error-free 512-1023 + * byte Frames Received + * Counter + */ +#define GEM_RX1024CNT 0x017c /* Error-free 1024-1518 + * byte Frames Received + * Counter + */ +#define GEM_RX1519CNT 0x0180 /* Error-free larger than + * 1519 Frames Received + * Counter + */ +#define GEM_RXUNDRCNT 0x0184 /* Undersize Frames + * Received Counter + */ +#define GEM_RXOVRCNT 0x0188 /* Oversize Frames + * Received Counter + */ +#define GEM_RXJABCNT 0x018c /* Jabbers Received + * Counter + */ +#define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence + * Error Counter + */ +#define GEM_RXLENGTHCNT 0x0194 /* Length Field Error + * Counter + */ +#define GEM_RXSYMBCNT 0x0198 /* Symbol Error + * Counter + */ +#define GEM_RXALIGNCNT 0x019c /* Alignment Error + * Counter + */ +#define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error + * Counter + */ +#define GEM_RXORCNT 0x01a4 /* Receive Overrun + * Counter + */ +#define GEM_RXIPCCNT 0x01a8 /* IP header Checksum + * Error Counter + */ +#define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error + * Counter + */ +#define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error + * Counter + */ #define GEM_DCFG1 0x0280 /* Design Config 1 */ #define GEM_DCFG2 0x0284 /* Design Config 2 */ #define GEM_DCFG3 0x0288 /* Design Config 3 */ @@ -650,6 +803,107 @@ struct gem_stats { u32 rx_udp_checksum_errors; }; +/* Describes the name and offset of an individual statistic register, as + * returned by `ethtool -S`. Also describes which net_device_stats statistics + * this register should contribute to. + */ +struct gem_statistic { + char stat_string[ETH_GSTRING_LEN]; + int offset; + u32 stat_bits; +}; + +/* Bitfield defs for net_device_stat statistics */ +#define GEM_NDS_RXERR_OFFSET 0 +#define GEM_NDS_RXLENERR_OFFSET 1 +#define GEM_NDS_RXOVERERR_OFFSET 2 +#define GEM_NDS_RXCRCERR_OFFSET 3 +#define GEM_NDS_RXFRAMEERR_OFFSET 4 +#define GEM_NDS_RXFIFOERR_OFFSET 5 +#define GEM_NDS_TXERR_OFFSET 6 +#define GEM_NDS_TXABORTEDERR_OFFSET 7 +#define GEM_NDS_TXCARRIERERR_OFFSET 8 +#define GEM_NDS_TXFIFOERR_OFFSET 9 +#define GEM_NDS_COLLISIONS_OFFSET 10 + +#define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0) +#define GEM_STAT_TITLE_BITS(name, title, bits) { \ + .stat_string = title, \ + .offset = GEM_##name, \ + .stat_bits = bits \ +} + +/* list of gem statistic registers. The names MUST match the + * corresponding GEM_* definitions. + */ +static const struct gem_statistic gem_statistics[] = { + GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */ + GEM_STAT_TITLE(TXCNT, "tx_frames"), + GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"), + GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"), + GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"), + GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"), + GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"), + GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"), + GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"), + GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"), + GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"), + GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"), + GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun", + GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)), + GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames", + GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), + GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames", + GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), + GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions", + GEM_BIT(NDS_TXERR)| + GEM_BIT(NDS_TXABORTEDERR)| + GEM_BIT(NDS_COLLISIONS)), + GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions", + GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), + GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"), + GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors", + GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), + GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */ + GEM_STAT_TITLE(RXCNT, "rx_frames"), + GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"), + GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"), + GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"), + GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"), + GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"), + GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"), + GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"), + GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"), + GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"), + GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"), + GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), + GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), + GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), + GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)), + GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors", + GEM_BIT(NDS_RXERR)), + GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)), + GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), + GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), + GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns", + GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)), + GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors", + GEM_BIT(NDS_RXERR)), + GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors", + GEM_BIT(NDS_RXERR)), + GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors", + GEM_BIT(NDS_RXERR)), +}; + +#define GEM_STATS_LEN ARRAY_SIZE(gem_statistics) + struct macb; struct macb_or_gem_ops { @@ -728,6 +982,8 @@ struct macb { dma_addr_t skb_physaddr; /* phys addr from pci_map_single */ int skb_length; /* saved skb length for pci_unmap_single */ unsigned int max_tx_length; + + u64 ethtool_stats[GEM_STATS_LEN]; }; extern const struct ethtool_ops macb_ethtool_ops; |