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authorQuan Nguyen <qnguyen@apm.com>2017-05-10 13:45:05 -0700
committerDavid S. Miller <davem@davemloft.net>2017-05-16 11:41:09 -0400
commit2d07d8e4f0536e82d5c194239ed0eaa0f2c47ab1 (patch)
treeb7da5b6bf32d1995586afdc4cd2f55b27c2bdad0 /drivers/net/ethernet/apm
parent6f22a7ad15decf15bdd34532c69102a48e985d93 (diff)
downloadlinux-2d07d8e4f0536e82d5c194239ed0eaa0f2c47ab1.tar.bz2
drivers: net: xgene: Extend ethtool statistics
This patch adds extended ethtool statistics support. Signed-off-by: Quan Nguyen <qnguyen@apm.com> Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/apm')
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c89
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_hw.c29
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_hw.h51
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c8
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.h4
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h1
6 files changed, 181 insertions, 1 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
index 217cde86e117..a7eed3b83912 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
@@ -23,9 +23,17 @@
struct xgene_gstrings_stats {
char name[ETH_GSTRING_LEN];
int offset;
+ u32 addr;
+ u32 mask;
};
#define XGENE_STAT(m) { #m, offsetof(struct rtnl_link_stats64, m) }
+#define XGENE_EXTD_STAT(s, a, m) \
+ { \
+ .name = #s, \
+ .addr = a ## _ADDR, \
+ .mask = m \
+ }
static const struct xgene_gstrings_stats gstrings_stats[] = {
XGENE_STAT(rx_packets),
@@ -40,7 +48,51 @@ static const struct xgene_gstrings_stats gstrings_stats[] = {
XGENE_STAT(rx_fifo_errors)
};
+static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
+ XGENE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64, 31),
+ XGENE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127, 31),
+ XGENE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255, 31),
+ XGENE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511, 31),
+ XGENE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K, 31),
+ XGENE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX, 31),
+ XGENE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV, 31),
+ XGENE_EXTD_STAT(rx_fcs_error_cntr, RFCS, 16),
+ XGENE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA, 31),
+ XGENE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA, 31),
+ XGENE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF, 16),
+ XGENE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF, 16),
+ XGENE_EXTD_STAT(rx_unk_opcode_cntr, RXUO, 16),
+ XGENE_EXTD_STAT(rx_align_err_cntr, RALN, 16),
+ XGENE_EXTD_STAT(rx_frame_len_err_cntr, RFLR, 16),
+ XGENE_EXTD_STAT(rx_code_err_cntr, RCDE, 16),
+ XGENE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE, 16),
+ XGENE_EXTD_STAT(rx_undersize_pkt_cntr, RUND, 16),
+ XGENE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR, 16),
+ XGENE_EXTD_STAT(rx_fragments_cntr, RFRG, 16),
+ XGENE_EXTD_STAT(rx_jabber_cntr, RJBR, 16),
+ XGENE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP, 16),
+ XGENE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA, 31),
+ XGENE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA, 31),
+ XGENE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF, 16),
+ XGENE_EXTD_STAT(tx_defer_pkt_cntr, TDFR, 31),
+ XGENE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF, 31),
+ XGENE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL, 31),
+ XGENE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL, 31),
+ XGENE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL, 31),
+ XGENE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL, 31),
+ XGENE_EXTD_STAT(tx_total_col_cntr, TNCL, 31),
+ XGENE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH, 16),
+ XGENE_EXTD_STAT(tx_drop_frame_cntr, TDRP, 16),
+ XGENE_EXTD_STAT(tx_jabber_frame_cntr, TJBR, 12),
+ XGENE_EXTD_STAT(tx_fcs_error_cntr, TFCS, 12),
+ XGENE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF, 12),
+ XGENE_EXTD_STAT(tx_oversize_frame_cntr, TOVR, 12),
+ XGENE_EXTD_STAT(tx_undersize_frame_cntr, TUND, 12),
+ XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12)
+};
+
#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
+#define XGENE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
static void xgene_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
@@ -142,6 +194,11 @@ static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
+
+ for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
+ memcpy(p, gstrings_extd_stats[i].name, ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
}
static int xgene_get_sset_count(struct net_device *ndev, int sset)
@@ -149,19 +206,49 @@ static int xgene_get_sset_count(struct net_device *ndev, int sset)
if (sset != ETH_SS_STATS)
return -EINVAL;
- return XGENE_STATS_LEN;
+ return XGENE_STATS_LEN + XGENE_EXTD_STATS_LEN;
+}
+
+static void xgene_get_extd_stats(struct xgene_enet_pdata *pdata)
+{
+ u32 tmp;
+ int i;
+
+ for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
+ tmp = xgene_enet_rd_stat(pdata, gstrings_extd_stats[i].addr);
+ pdata->extd_stats[i] += tmp &
+ GENMASK(gstrings_extd_stats[i].mask - 1, 0);
+ }
+}
+
+int xgene_extd_stats_init(struct xgene_enet_pdata *pdata)
+{
+ pdata->extd_stats = devm_kmalloc_array(&pdata->pdev->dev,
+ XGENE_EXTD_STATS_LEN, sizeof(u64), GFP_KERNEL);
+ if (!pdata->extd_stats)
+ return -ENOMEM;
+
+ xgene_get_extd_stats(pdata);
+ memset(pdata->extd_stats, 0, XGENE_EXTD_STATS_LEN * sizeof(u64));
+
+ return 0;
}
static void xgene_get_ethtool_stats(struct net_device *ndev,
struct ethtool_stats *dummy,
u64 *data)
{
+ struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct rtnl_link_stats64 stats;
int i;
dev_get_stats(ndev, &stats);
for (i = 0; i < XGENE_STATS_LEN; i++)
data[i] = *(u64 *)((char *)&stats + gstrings_stats[i].offset);
+
+ xgene_get_extd_stats(pdata);
+ for (i = 0; i < XGENE_EXTD_STATS_LEN; i++)
+ data[i + XGENE_STATS_LEN] = pdata->extd_stats[i];
}
static void xgene_get_pauseparam(struct net_device *ndev,
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 02df5776e942..9e891939fcf8 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -359,6 +359,35 @@ u32 xgene_enet_rd_mac(struct xgene_enet_pdata *pdata, u32 rd_addr)
return rd_data;
}
+u32 xgene_enet_rd_stat(struct xgene_enet_pdata *pdata, u32 rd_addr)
+{
+ void __iomem *addr, *rd, *cmd, *cmd_done;
+ u32 done, rd_data;
+ u8 wait = 10;
+
+ addr = pdata->mcx_stats_addr + STAT_ADDR_REG_OFFSET;
+ rd = pdata->mcx_stats_addr + STAT_READ_REG_OFFSET;
+ cmd = pdata->mcx_stats_addr + STAT_COMMAND_REG_OFFSET;
+ cmd_done = pdata->mcx_stats_addr + STAT_COMMAND_DONE_REG_OFFSET;
+
+ spin_lock(&pdata->stats_lock);
+ iowrite32(rd_addr, addr);
+ iowrite32(XGENE_ENET_RD_CMD, cmd);
+
+ while (!(done = ioread32(cmd_done)) && wait--)
+ udelay(1);
+
+ if (!done)
+ netdev_err(pdata->ndev, "mac stats read failed, addr: %04x\n",
+ rd_addr);
+
+ rd_data = ioread32(rd);
+ iowrite32(0, cmd);
+ spin_unlock(&pdata->stats_lock);
+
+ return rd_data;
+}
+
static void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata)
{
u32 addr0, addr1;
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
index ed5100529cff..f1a4cfa641ae 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
@@ -115,6 +115,7 @@ enum xgene_enet_rm {
#define BLOCK_ETH_CLKRST_CSR_OFFSET 0xc000
#define BLOCK_ETH_DIAG_CSR_OFFSET 0xD000
#define BLOCK_ETH_MAC_OFFSET 0x0000
+#define BLOCK_ETH_STATS_OFFSET 0x0000
#define BLOCK_ETH_MAC_CSR_OFFSET 0x2800
#define CLKEN_ADDR 0xc208
@@ -126,6 +127,12 @@ enum xgene_enet_rm {
#define MAC_READ_REG_OFFSET 0x0c
#define MAC_COMMAND_DONE_REG_OFFSET 0x10
+#define STAT_ADDR_REG_OFFSET 0x14
+#define STAT_COMMAND_REG_OFFSET 0x18
+#define STAT_WRITE_REG_OFFSET 0x1c
+#define STAT_READ_REG_OFFSET 0x20
+#define STAT_COMMAND_DONE_REG_OFFSET 0x24
+
#define PCS_ADDR_REG_OFFSET 0x00
#define PCS_COMMAND_REG_OFFSET 0x04
#define PCS_WRITE_REG_OFFSET 0x08
@@ -218,6 +225,49 @@ enum xgene_enet_rm {
#define PAD_CRC BIT(2)
#define LENGTH_CHK BIT(4)
+#define TR64_ADDR 0x20
+#define TR127_ADDR 0x21
+#define TR255_ADDR 0x22
+#define TR511_ADDR 0x23
+#define TR1K_ADDR 0x24
+#define TRMAX_ADDR 0x25
+#define TRMGV_ADDR 0x26
+
+#define RFCS_ADDR 0x29
+#define RMCA_ADDR 0x2a
+#define RBCA_ADDR 0x2b
+#define RXCF_ADDR 0x2c
+#define RXPF_ADDR 0x2d
+#define RXUO_ADDR 0x2e
+#define RALN_ADDR 0x2f
+#define RFLR_ADDR 0x30
+#define RCDE_ADDR 0x31
+#define RCSE_ADDR 0x32
+#define RUND_ADDR 0x33
+#define ROVR_ADDR 0x34
+#define RFRG_ADDR 0x35
+#define RJBR_ADDR 0x36
+#define RDRP_ADDR 0x37
+
+#define TMCA_ADDR 0x3a
+#define TBCA_ADDR 0x3b
+#define TXPF_ADDR 0x3c
+#define TDFR_ADDR 0x3d
+#define TEDF_ADDR 0x3e
+#define TSCL_ADDR 0x3f
+#define TMCL_ADDR 0x40
+#define TLCL_ADDR 0x41
+#define TXCL_ADDR 0x42
+#define TNCL_ADDR 0x43
+#define TPFH_ADDR 0x44
+#define TDRP_ADDR 0x45
+#define TJBR_ADDR 0x46
+#define TFCS_ADDR 0x47
+#define TXCF_ADDR 0x48
+#define TOVR_ADDR 0x49
+#define TUND_ADDR 0x4a
+#define TFRG_ADDR 0x4b
+
#define TSO_IPPROTO_TCP 1
#define USERINFO_POS 0
@@ -383,6 +433,7 @@ void xgene_enet_phy_disconnect(struct xgene_enet_pdata *pdata);
u32 xgene_enet_rd_mac(struct xgene_enet_pdata *pdata, u32 rd_addr);
void xgene_enet_wr_mac(struct xgene_enet_pdata *pdata, u32 wr_addr,
u32 wr_data);
+u32 xgene_enet_rd_stat(struct xgene_enet_pdata *pdata, u32 rd_addr);
extern const struct xgene_mac_ops xgene_gmac_ops;
extern const struct xgene_port_ops xgene_gport_ops;
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 3f24b83a6c55..bd2486e30653 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1792,12 +1792,15 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII ||
pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
pdata->mcx_mac_addr = pdata->base_addr + BLOCK_ETH_MAC_OFFSET;
+ pdata->mcx_stats_addr =
+ pdata->base_addr + BLOCK_ETH_STATS_OFFSET;
offset = (pdata->enet_id == XGENE_ENET1) ?
BLOCK_ETH_MAC_CSR_OFFSET :
X2_BLOCK_ETH_MAC_CSR_OFFSET;
pdata->mcx_mac_csr_addr = base_addr + offset;
} else {
pdata->mcx_mac_addr = base_addr + BLOCK_AXG_MAC_OFFSET;
+ pdata->mcx_stats_addr = base_addr + BLOCK_AXG_STATS_OFFSET;
pdata->mcx_mac_csr_addr = base_addr + BLOCK_AXG_MAC_CSR_OFFSET;
pdata->pcs_addr = base_addr + BLOCK_PCS_OFFSET;
}
@@ -2090,6 +2093,11 @@ static int xgene_enet_probe(struct platform_device *pdev)
goto err1;
}
+ spin_lock_init(&pdata->stats_lock);
+ ret = xgene_extd_stats_init(pdata);
+ if (ret)
+ goto err2;
+
xgene_enet_napi_add(pdata);
ret = register_netdev(ndev);
if (ret) {
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index 3bf66385dbdf..cbdc09c1d0d7 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -214,6 +214,7 @@ struct xgene_enet_pdata {
void __iomem *eth_diag_csr_addr;
void __iomem *mcx_mac_addr;
void __iomem *mcx_mac_csr_addr;
+ void __iomem *mcx_stats_addr;
void __iomem *base_addr;
void __iomem *pcs_addr;
void __iomem *ring_csr_addr;
@@ -221,6 +222,8 @@ struct xgene_enet_pdata {
int phy_mode;
enum xgene_enet_rm rm;
struct xgene_enet_cle cle;
+ u64 *extd_stats;
+ spinlock_t stats_lock; /* statistics lock */
const struct xgene_mac_ops *mac_ops;
spinlock_t mac_lock; /* mac lock */
const struct xgene_port_ops *port_ops;
@@ -265,5 +268,6 @@ static inline u16 xgene_enet_dst_ring_num(struct xgene_enet_desc_ring *ring)
}
void xgene_enet_set_ethtool_ops(struct net_device *netdev);
+int xgene_extd_stats_init(struct xgene_enet_pdata *pdata);
#endif /* __XGENE_ENET_MAIN_H__ */
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
index e644a429ebf4..9b98c83951a3 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
@@ -23,6 +23,7 @@
#define X2_BLOCK_ETH_MAC_CSR_OFFSET 0x3000
#define BLOCK_AXG_MAC_OFFSET 0x0800
+#define BLOCK_AXG_STATS_OFFSET 0x0800
#define BLOCK_AXG_MAC_CSR_OFFSET 0x2000
#define BLOCK_PCS_OFFSET 0x3800