static bool bgmac_wait_value(struct bcma_device *core, u16 reg, u32 mask,
u32 value, int timeout)
{
-@@ -982,11 +993,9 @@ static void bgmac_mac_speed(struct bgmac
+@@ -987,11 +998,9 @@ static void bgmac_mac_speed(struct bgmac
static void bgmac_miiconfig(struct bgmac *bgmac)
{
struct bcma_device *core = bgmac->core;
bcma_awrite32(core, BCMA_IOCTL,
bcma_aread32(core, BCMA_IOCTL) | 0x40 |
BGMAC_BCMA_IOCTL_SW_CLKEN);
-@@ -1050,9 +1059,7 @@ static void bgmac_chip_reset(struct bgma
+@@ -1055,9 +1064,7 @@ static void bgmac_chip_reset(struct bgma
}
/* Request Misc PLL for corerev > 2 */
bgmac_set(bgmac, BCMA_CLKCTLST,
BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ);
bgmac_wait_value(bgmac->core, BCMA_CLKCTLST,
-@@ -1188,8 +1195,7 @@ static void bgmac_enable(struct bgmac *b
+@@ -1193,8 +1200,7 @@ static void bgmac_enable(struct bgmac *b
break;
}
rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) /
-@@ -1467,14 +1473,12 @@ static int bgmac_fixed_phy_register(stru
+@@ -1472,14 +1478,12 @@ static int bgmac_fixed_phy_register(stru
static int bgmac_mii_register(struct bgmac *bgmac)
{
return bgmac_fixed_phy_register(bgmac);
mii_bus = mdiobus_alloc();
-@@ -1545,7 +1549,6 @@ static void bgmac_mii_unregister(struct
+@@ -1550,7 +1554,6 @@ static void bgmac_mii_unregister(struct
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
static int bgmac_probe(struct bcma_device *core)
{
struct net_device *net_dev;
struct bgmac *bgmac;
struct ssb_sprom *sprom = &core->bus->sprom;
-@@ -1626,8 +1629,7 @@ static int bgmac_probe(struct bcma_devic
+@@ -1631,8 +1634,7 @@ static int bgmac_probe(struct bcma_devic
bgmac_chip_reset(bgmac);
/* For Northstar, we have to take all GMAC core out of reset */
--- /dev/null
+From f6613d4fa937fa8388f2c1cb4e69ccc25e9e2336 Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <f.fainelli@gmail.com>
+Date: Tue, 7 Jun 2016 15:06:14 -0700
+Subject: [PATCH 2/3] bgmac: Add support for ethtool statistics
+
+Read the statistics from the BGMAC's builtin MAC and return them to
+user-space using the standard ethtool helpers.
+
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bgmac.c | 124 ++++++++++++++++++++++++++++++++++
+ drivers/net/ethernet/broadcom/bgmac.h | 4 +-
+ 2 files changed, 126 insertions(+), 2 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -1382,6 +1382,127 @@ static const struct net_device_ops bgmac
+ * ethtool_ops
+ **************************************************/
+
++struct bgmac_stat {
++ u8 size;
++ u32 offset;
++ const char *name;
++};
++
++static struct bgmac_stat bgmac_get_strings_stats[] = {
++ { 8, BGMAC_TX_GOOD_OCTETS, "tx_good_octets" },
++ { 4, BGMAC_TX_GOOD_PKTS, "tx_good" },
++ { 8, BGMAC_TX_OCTETS, "tx_octets" },
++ { 4, BGMAC_TX_PKTS, "tx_pkts" },
++ { 4, BGMAC_TX_BROADCAST_PKTS, "tx_broadcast" },
++ { 4, BGMAC_TX_MULTICAST_PKTS, "tx_multicast" },
++ { 4, BGMAC_TX_LEN_64, "tx_64" },
++ { 4, BGMAC_TX_LEN_65_TO_127, "tx_65_127" },
++ { 4, BGMAC_TX_LEN_128_TO_255, "tx_128_255" },
++ { 4, BGMAC_TX_LEN_256_TO_511, "tx_256_511" },
++ { 4, BGMAC_TX_LEN_512_TO_1023, "tx_512_1023" },
++ { 4, BGMAC_TX_LEN_1024_TO_1522, "tx_1024_1522" },
++ { 4, BGMAC_TX_LEN_1523_TO_2047, "tx_1523_2047" },
++ { 4, BGMAC_TX_LEN_2048_TO_4095, "tx_2048_4095" },
++ { 4, BGMAC_TX_LEN_4096_TO_8191, "tx_4096_8191" },
++ { 4, BGMAC_TX_LEN_8192_TO_MAX, "tx_8192_max" },
++ { 4, BGMAC_TX_JABBER_PKTS, "tx_jabber" },
++ { 4, BGMAC_TX_OVERSIZE_PKTS, "tx_oversize" },
++ { 4, BGMAC_TX_FRAGMENT_PKTS, "tx_fragment" },
++ { 4, BGMAC_TX_UNDERRUNS, "tx_underruns" },
++ { 4, BGMAC_TX_TOTAL_COLS, "tx_total_cols" },
++ { 4, BGMAC_TX_SINGLE_COLS, "tx_single_cols" },
++ { 4, BGMAC_TX_MULTIPLE_COLS, "tx_multiple_cols" },
++ { 4, BGMAC_TX_EXCESSIVE_COLS, "tx_excessive_cols" },
++ { 4, BGMAC_TX_LATE_COLS, "tx_late_cols" },
++ { 4, BGMAC_TX_DEFERED, "tx_defered" },
++ { 4, BGMAC_TX_CARRIER_LOST, "tx_carrier_lost" },
++ { 4, BGMAC_TX_PAUSE_PKTS, "tx_pause" },
++ { 4, BGMAC_TX_UNI_PKTS, "tx_unicast" },
++ { 4, BGMAC_TX_Q0_PKTS, "tx_q0" },
++ { 8, BGMAC_TX_Q0_OCTETS, "tx_q0_octets" },
++ { 4, BGMAC_TX_Q1_PKTS, "tx_q1" },
++ { 8, BGMAC_TX_Q1_OCTETS, "tx_q1_octets" },
++ { 4, BGMAC_TX_Q2_PKTS, "tx_q2" },
++ { 8, BGMAC_TX_Q2_OCTETS, "tx_q2_octets" },
++ { 4, BGMAC_TX_Q3_PKTS, "tx_q3" },
++ { 8, BGMAC_TX_Q3_OCTETS, "tx_q3_octets" },
++ { 8, BGMAC_RX_GOOD_OCTETS, "rx_good_octets" },
++ { 4, BGMAC_RX_GOOD_PKTS, "rx_good" },
++ { 8, BGMAC_RX_OCTETS, "rx_octets" },
++ { 4, BGMAC_RX_PKTS, "rx_pkts" },
++ { 4, BGMAC_RX_BROADCAST_PKTS, "rx_broadcast" },
++ { 4, BGMAC_RX_MULTICAST_PKTS, "rx_multicast" },
++ { 4, BGMAC_RX_LEN_64, "rx_64" },
++ { 4, BGMAC_RX_LEN_65_TO_127, "rx_65_127" },
++ { 4, BGMAC_RX_LEN_128_TO_255, "rx_128_255" },
++ { 4, BGMAC_RX_LEN_256_TO_511, "rx_256_511" },
++ { 4, BGMAC_RX_LEN_512_TO_1023, "rx_512_1023" },
++ { 4, BGMAC_RX_LEN_1024_TO_1522, "rx_1024_1522" },
++ { 4, BGMAC_RX_LEN_1523_TO_2047, "rx_1523_2047" },
++ { 4, BGMAC_RX_LEN_2048_TO_4095, "rx_2048_4095" },
++ { 4, BGMAC_RX_LEN_4096_TO_8191, "rx_4096_8191" },
++ { 4, BGMAC_RX_LEN_8192_TO_MAX, "rx_8192_max" },
++ { 4, BGMAC_RX_JABBER_PKTS, "rx_jabber" },
++ { 4, BGMAC_RX_OVERSIZE_PKTS, "rx_oversize" },
++ { 4, BGMAC_RX_FRAGMENT_PKTS, "rx_fragment" },
++ { 4, BGMAC_RX_MISSED_PKTS, "rx_missed" },
++ { 4, BGMAC_RX_CRC_ALIGN_ERRS, "rx_crc_align" },
++ { 4, BGMAC_RX_UNDERSIZE, "rx_undersize" },
++ { 4, BGMAC_RX_CRC_ERRS, "rx_crc" },
++ { 4, BGMAC_RX_ALIGN_ERRS, "rx_align" },
++ { 4, BGMAC_RX_SYMBOL_ERRS, "rx_symbol" },
++ { 4, BGMAC_RX_PAUSE_PKTS, "rx_pause" },
++ { 4, BGMAC_RX_NONPAUSE_PKTS, "rx_nonpause" },
++ { 4, BGMAC_RX_SACHANGES, "rx_sa_changes" },
++ { 4, BGMAC_RX_UNI_PKTS, "rx_unicast" },
++};
++
++#define BGMAC_STATS_LEN ARRAY_SIZE(bgmac_get_strings_stats)
++
++static int bgmac_get_sset_count(struct net_device *dev, int string_set)
++{
++ switch (string_set) {
++ case ETH_SS_STATS:
++ return BGMAC_STATS_LEN;
++ }
++
++ return -EOPNOTSUPP;
++}
++
++static void bgmac_get_strings(struct net_device *dev, u32 stringset,
++ u8 *data)
++{
++ int i;
++
++ if (stringset != ETH_SS_STATS)
++ return;
++
++ for (i = 0; i < BGMAC_STATS_LEN; i++)
++ strlcpy(data + i * ETH_GSTRING_LEN,
++ bgmac_get_strings_stats[i].name, ETH_GSTRING_LEN);
++}
++
++static void bgmac_get_ethtool_stats(struct net_device *dev,
++ struct ethtool_stats *ss, uint64_t *data)
++{
++ struct bgmac *bgmac = netdev_priv(dev);
++ const struct bgmac_stat *s;
++ unsigned int i;
++ u64 val;
++
++ if (!netif_running(dev))
++ return;
++
++ for (i = 0; i < BGMAC_STATS_LEN; i++) {
++ s = &bgmac_get_strings_stats[i];
++ val = 0;
++ if (s->size == 8)
++ val = (u64)bgmac_read(bgmac, s->offset + 4) << 32;
++ val |= bgmac_read(bgmac, s->offset);
++ data[i] = val;
++ }
++}
++
+ static int bgmac_get_settings(struct net_device *net_dev,
+ struct ethtool_cmd *cmd)
+ {
+@@ -1406,6 +1527,9 @@ static void bgmac_get_drvinfo(struct net
+ }
+
+ static const struct ethtool_ops bgmac_ethtool_ops = {
++ .get_strings = bgmac_get_strings,
++ .get_sset_count = bgmac_get_sset_count,
++ .get_ethtool_stats = bgmac_get_ethtool_stats,
+ .get_settings = bgmac_get_settings,
+ .set_settings = bgmac_set_settings,
+ .get_drvinfo = bgmac_get_drvinfo,
+--- a/drivers/net/ethernet/broadcom/bgmac.h
++++ b/drivers/net/ethernet/broadcom/bgmac.h
+@@ -123,7 +123,7 @@
+ #define BGMAC_TX_LEN_1024_TO_1522 0x334
+ #define BGMAC_TX_LEN_1523_TO_2047 0x338
+ #define BGMAC_TX_LEN_2048_TO_4095 0x33c
+-#define BGMAC_TX_LEN_4095_TO_8191 0x340
++#define BGMAC_TX_LEN_4096_TO_8191 0x340
+ #define BGMAC_TX_LEN_8192_TO_MAX 0x344
+ #define BGMAC_TX_JABBER_PKTS 0x348 /* Error */
+ #define BGMAC_TX_OVERSIZE_PKTS 0x34c /* Error */
+@@ -166,7 +166,7 @@
+ #define BGMAC_RX_LEN_1024_TO_1522 0x3e4
+ #define BGMAC_RX_LEN_1523_TO_2047 0x3e8
+ #define BGMAC_RX_LEN_2048_TO_4095 0x3ec
+-#define BGMAC_RX_LEN_4095_TO_8191 0x3f0
++#define BGMAC_RX_LEN_4096_TO_8191 0x3f0
+ #define BGMAC_RX_LEN_8192_TO_MAX 0x3f4
+ #define BGMAC_RX_JABBER_PKTS 0x3f8 /* Error */
+ #define BGMAC_RX_OVERSIZE_PKTS 0x3fc /* Error */
--- /dev/null
+From 6d490f62a4c7f11c552591bdd08eda3636aa0db9 Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <f.fainelli@gmail.com>
+Date: Tue, 7 Jun 2016 15:06:15 -0700
+Subject: [PATCH 3/3] bgmac: Maintain some netdev statistics
+
+Add a few netdev statistics to report transmitted and received bytes and
+packets and a few obvious errors.
+
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bgmac.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -246,6 +246,8 @@ err_dma_head:
+
+ err_drop:
+ dev_kfree_skb(skb);
++ net_dev->stats.tx_dropped++;
++ net_dev->stats.tx_errors++;
+ return NETDEV_TX_OK;
+ }
+
+@@ -284,6 +286,8 @@ static void bgmac_dma_tx_free(struct bgm
+ DMA_TO_DEVICE);
+
+ if (slot->skb) {
++ bgmac->net_dev->stats.tx_bytes += slot->skb->len;
++ bgmac->net_dev->stats.tx_packets++;
+ bytes_compl += slot->skb->len;
+ pkts_compl++;
+
+@@ -464,6 +468,7 @@ static int bgmac_dma_rx_read(struct bgma
+ bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
+ ring->start);
+ put_page(virt_to_head_page(buf));
++ bgmac->net_dev->stats.rx_errors++;
+ break;
+ }
+
+@@ -471,6 +476,8 @@ static int bgmac_dma_rx_read(struct bgma
+ bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n",
+ ring->start);
+ put_page(virt_to_head_page(buf));
++ bgmac->net_dev->stats.rx_length_errors++;
++ bgmac->net_dev->stats.rx_errors++;
+ break;
+ }
+
+@@ -481,6 +488,7 @@ static int bgmac_dma_rx_read(struct bgma
+ if (unlikely(!skb)) {
+ bgmac_err(bgmac, "build_skb failed\n");
+ put_page(virt_to_head_page(buf));
++ bgmac->net_dev->stats.rx_errors++;
+ break;
+ }
+ skb_put(skb, BGMAC_RX_FRAME_OFFSET +
+@@ -490,6 +498,8 @@ static int bgmac_dma_rx_read(struct bgma
+
+ skb_checksum_none_assert(skb);
+ skb->protocol = eth_type_trans(skb, bgmac->net_dev);
++ bgmac->net_dev->stats.rx_bytes += len;
++ bgmac->net_dev->stats.rx_packets++;
+ napi_gro_receive(&bgmac->napi, skb);
+ handled++;
+ } while (0);
projects / openwrt / staging / adrian.git / commitdiff