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74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
176 lines
6.2 KiB
Diff
176 lines
6.2 KiB
Diff
From f6613d4fa937fa8388f2c1cb4e69ccc25e9e2336 Mon Sep 17 00:00:00 2001
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From: Florian Fainelli <f.fainelli@gmail.com>
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Date: Tue, 7 Jun 2016 15:06:14 -0700
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Subject: [PATCH 2/3] bgmac: Add support for ethtool statistics
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Read the statistics from the BGMAC's builtin MAC and return them to
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user-space using the standard ethtool helpers.
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/broadcom/bgmac.c | 124 ++++++++++++++++++++++++++++++++++
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drivers/net/ethernet/broadcom/bgmac.h | 4 +-
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2 files changed, 126 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/broadcom/bgmac.c
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+++ b/drivers/net/ethernet/broadcom/bgmac.c
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@@ -1387,6 +1387,127 @@ static const struct net_device_ops bgmac
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* ethtool_ops
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**************************************************/
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+struct bgmac_stat {
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+ u8 size;
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+ u32 offset;
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+ const char *name;
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+};
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+
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+static struct bgmac_stat bgmac_get_strings_stats[] = {
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+ { 8, BGMAC_TX_GOOD_OCTETS, "tx_good_octets" },
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+ { 4, BGMAC_TX_GOOD_PKTS, "tx_good" },
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+ { 8, BGMAC_TX_OCTETS, "tx_octets" },
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+ { 4, BGMAC_TX_PKTS, "tx_pkts" },
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+ { 4, BGMAC_TX_BROADCAST_PKTS, "tx_broadcast" },
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+ { 4, BGMAC_TX_MULTICAST_PKTS, "tx_multicast" },
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+ { 4, BGMAC_TX_LEN_64, "tx_64" },
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+ { 4, BGMAC_TX_LEN_65_TO_127, "tx_65_127" },
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+ { 4, BGMAC_TX_LEN_128_TO_255, "tx_128_255" },
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+ { 4, BGMAC_TX_LEN_256_TO_511, "tx_256_511" },
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+ { 4, BGMAC_TX_LEN_512_TO_1023, "tx_512_1023" },
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+ { 4, BGMAC_TX_LEN_1024_TO_1522, "tx_1024_1522" },
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+ { 4, BGMAC_TX_LEN_1523_TO_2047, "tx_1523_2047" },
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+ { 4, BGMAC_TX_LEN_2048_TO_4095, "tx_2048_4095" },
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+ { 4, BGMAC_TX_LEN_4096_TO_8191, "tx_4096_8191" },
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+ { 4, BGMAC_TX_LEN_8192_TO_MAX, "tx_8192_max" },
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+ { 4, BGMAC_TX_JABBER_PKTS, "tx_jabber" },
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+ { 4, BGMAC_TX_OVERSIZE_PKTS, "tx_oversize" },
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+ { 4, BGMAC_TX_FRAGMENT_PKTS, "tx_fragment" },
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+ { 4, BGMAC_TX_UNDERRUNS, "tx_underruns" },
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+ { 4, BGMAC_TX_TOTAL_COLS, "tx_total_cols" },
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+ { 4, BGMAC_TX_SINGLE_COLS, "tx_single_cols" },
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+ { 4, BGMAC_TX_MULTIPLE_COLS, "tx_multiple_cols" },
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+ { 4, BGMAC_TX_EXCESSIVE_COLS, "tx_excessive_cols" },
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+ { 4, BGMAC_TX_LATE_COLS, "tx_late_cols" },
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+ { 4, BGMAC_TX_DEFERED, "tx_defered" },
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+ { 4, BGMAC_TX_CARRIER_LOST, "tx_carrier_lost" },
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+ { 4, BGMAC_TX_PAUSE_PKTS, "tx_pause" },
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+ { 4, BGMAC_TX_UNI_PKTS, "tx_unicast" },
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+ { 4, BGMAC_TX_Q0_PKTS, "tx_q0" },
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+ { 8, BGMAC_TX_Q0_OCTETS, "tx_q0_octets" },
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+ { 4, BGMAC_TX_Q1_PKTS, "tx_q1" },
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+ { 8, BGMAC_TX_Q1_OCTETS, "tx_q1_octets" },
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+ { 4, BGMAC_TX_Q2_PKTS, "tx_q2" },
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+ { 8, BGMAC_TX_Q2_OCTETS, "tx_q2_octets" },
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+ { 4, BGMAC_TX_Q3_PKTS, "tx_q3" },
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+ { 8, BGMAC_TX_Q3_OCTETS, "tx_q3_octets" },
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+ { 8, BGMAC_RX_GOOD_OCTETS, "rx_good_octets" },
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+ { 4, BGMAC_RX_GOOD_PKTS, "rx_good" },
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+ { 8, BGMAC_RX_OCTETS, "rx_octets" },
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+ { 4, BGMAC_RX_PKTS, "rx_pkts" },
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+ { 4, BGMAC_RX_BROADCAST_PKTS, "rx_broadcast" },
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+ { 4, BGMAC_RX_MULTICAST_PKTS, "rx_multicast" },
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+ { 4, BGMAC_RX_LEN_64, "rx_64" },
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+ { 4, BGMAC_RX_LEN_65_TO_127, "rx_65_127" },
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+ { 4, BGMAC_RX_LEN_128_TO_255, "rx_128_255" },
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+ { 4, BGMAC_RX_LEN_256_TO_511, "rx_256_511" },
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+ { 4, BGMAC_RX_LEN_512_TO_1023, "rx_512_1023" },
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+ { 4, BGMAC_RX_LEN_1024_TO_1522, "rx_1024_1522" },
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+ { 4, BGMAC_RX_LEN_1523_TO_2047, "rx_1523_2047" },
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+ { 4, BGMAC_RX_LEN_2048_TO_4095, "rx_2048_4095" },
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+ { 4, BGMAC_RX_LEN_4096_TO_8191, "rx_4096_8191" },
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+ { 4, BGMAC_RX_LEN_8192_TO_MAX, "rx_8192_max" },
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+ { 4, BGMAC_RX_JABBER_PKTS, "rx_jabber" },
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+ { 4, BGMAC_RX_OVERSIZE_PKTS, "rx_oversize" },
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+ { 4, BGMAC_RX_FRAGMENT_PKTS, "rx_fragment" },
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+ { 4, BGMAC_RX_MISSED_PKTS, "rx_missed" },
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+ { 4, BGMAC_RX_CRC_ALIGN_ERRS, "rx_crc_align" },
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+ { 4, BGMAC_RX_UNDERSIZE, "rx_undersize" },
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+ { 4, BGMAC_RX_CRC_ERRS, "rx_crc" },
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+ { 4, BGMAC_RX_ALIGN_ERRS, "rx_align" },
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+ { 4, BGMAC_RX_SYMBOL_ERRS, "rx_symbol" },
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+ { 4, BGMAC_RX_PAUSE_PKTS, "rx_pause" },
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+ { 4, BGMAC_RX_NONPAUSE_PKTS, "rx_nonpause" },
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+ { 4, BGMAC_RX_SACHANGES, "rx_sa_changes" },
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+ { 4, BGMAC_RX_UNI_PKTS, "rx_unicast" },
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+};
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+
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+#define BGMAC_STATS_LEN ARRAY_SIZE(bgmac_get_strings_stats)
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+
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+static int bgmac_get_sset_count(struct net_device *dev, int string_set)
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+{
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+ switch (string_set) {
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+ case ETH_SS_STATS:
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+ return BGMAC_STATS_LEN;
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+ }
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+
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+ return -EOPNOTSUPP;
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+}
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+
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+static void bgmac_get_strings(struct net_device *dev, u32 stringset,
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+ u8 *data)
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+{
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+ int i;
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+
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+ if (stringset != ETH_SS_STATS)
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+ return;
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+
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+ for (i = 0; i < BGMAC_STATS_LEN; i++)
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+ strlcpy(data + i * ETH_GSTRING_LEN,
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+ bgmac_get_strings_stats[i].name, ETH_GSTRING_LEN);
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+}
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+
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+static void bgmac_get_ethtool_stats(struct net_device *dev,
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+ struct ethtool_stats *ss, uint64_t *data)
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+{
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+ struct bgmac *bgmac = netdev_priv(dev);
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+ const struct bgmac_stat *s;
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+ unsigned int i;
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+ u64 val;
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+
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+ if (!netif_running(dev))
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+ return;
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+
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+ for (i = 0; i < BGMAC_STATS_LEN; i++) {
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+ s = &bgmac_get_strings_stats[i];
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+ val = 0;
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+ if (s->size == 8)
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+ val = (u64)bgmac_read(bgmac, s->offset + 4) << 32;
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+ val |= bgmac_read(bgmac, s->offset);
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+ data[i] = val;
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+ }
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+}
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+
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static int bgmac_get_settings(struct net_device *net_dev,
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struct ethtool_cmd *cmd)
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{
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@@ -1411,6 +1532,9 @@ static void bgmac_get_drvinfo(struct net
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}
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static const struct ethtool_ops bgmac_ethtool_ops = {
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+ .get_strings = bgmac_get_strings,
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+ .get_sset_count = bgmac_get_sset_count,
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+ .get_ethtool_stats = bgmac_get_ethtool_stats,
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.get_settings = bgmac_get_settings,
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.set_settings = bgmac_set_settings,
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.get_drvinfo = bgmac_get_drvinfo,
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--- a/drivers/net/ethernet/broadcom/bgmac.h
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+++ b/drivers/net/ethernet/broadcom/bgmac.h
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@@ -123,7 +123,7 @@
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#define BGMAC_TX_LEN_1024_TO_1522 0x334
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#define BGMAC_TX_LEN_1523_TO_2047 0x338
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#define BGMAC_TX_LEN_2048_TO_4095 0x33c
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-#define BGMAC_TX_LEN_4095_TO_8191 0x340
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+#define BGMAC_TX_LEN_4096_TO_8191 0x340
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#define BGMAC_TX_LEN_8192_TO_MAX 0x344
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#define BGMAC_TX_JABBER_PKTS 0x348 /* Error */
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#define BGMAC_TX_OVERSIZE_PKTS 0x34c /* Error */
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@@ -166,7 +166,7 @@
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#define BGMAC_RX_LEN_1024_TO_1522 0x3e4
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#define BGMAC_RX_LEN_1523_TO_2047 0x3e8
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#define BGMAC_RX_LEN_2048_TO_4095 0x3ec
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-#define BGMAC_RX_LEN_4095_TO_8191 0x3f0
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+#define BGMAC_RX_LEN_4096_TO_8191 0x3f0
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#define BGMAC_RX_LEN_8192_TO_MAX 0x3f4
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#define BGMAC_RX_JABBER_PKTS 0x3f8 /* Error */
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#define BGMAC_RX_OVERSIZE_PKTS 0x3fc /* Error */
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