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Miller" , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 01/10] net: stmmac: xgmac: Implement MMC counters Date: Tue, 6 Aug 2019 15:42:42 +0200 Message-Id: <0d0ae87d6bf69addd152b323f20c19487c2943b9.1565098881.git.joabreu@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Implement the MMC counters feature in XGMAC core. Signed-off-by: Jose Abreu --- Cc: Giuseppe Cavallaro Cc: Alexandre Torgue Cc: Jose Abreu Cc: "David S. Miller" Cc: Maxime Coquelin Cc: netdev@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h | 1 + drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 1 + drivers/net/ethernet/stmicro/stmmac/hwif.c | 4 +- drivers/net/ethernet/stmicro/stmmac/hwif.h | 1 + drivers/net/ethernet/stmicro/stmmac/mmc.h | 9 + drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 192 +++++++++++++++++++++ .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 6 + 7 files changed, 212 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h index 7f86dffb264d..2fe6cd5a8ea0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h @@ -82,6 +82,7 @@ #define XGMAC_HWFEAT_AVSEL BIT(11) #define XGMAC_HWFEAT_RAVSEL BIT(10) #define XGMAC_HWFEAT_ARPOFFSEL BIT(9) +#define XGMAC_HWFEAT_MMCSEL BIT(8) #define XGMAC_HWFEAT_MGKSEL BIT(7) #define XGMAC_HWFEAT_RWKSEL BIT(6) #define XGMAC_HWFEAT_GMIISEL BIT(1) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index a4f236e3593e..0f1c772e892a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -356,6 +356,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr, dma_cap->atime_stamp = (hw_cap & XGMAC_HWFEAT_TSSEL) >> 12; dma_cap->av = (hw_cap & XGMAC_HWFEAT_AVSEL) >> 11; dma_cap->av &= (hw_cap & XGMAC_HWFEAT_RAVSEL) >> 10; + dma_cap->rmon = (hw_cap & XGMAC_HWFEAT_MMCSEL) >> 8; dma_cap->pmt_magic_frame = (hw_cap & XGMAC_HWFEAT_MGKSEL) >> 7; dma_cap->pmt_remote_wake_up = (hw_cap & XGMAC_HWFEAT_RWKSEL) >> 6; dma_cap->mbps_1000 = (hw_cap & XGMAC_HWFEAT_GMIISEL) >> 1; diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.c b/drivers/net/ethernet/stmicro/stmmac/hwif.c index 6c61b753b55e..3af2e5015245 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.c +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c @@ -201,7 +201,7 @@ static const struct stmmac_hwif_entry { .min_id = DWXGMAC_CORE_2_10, .regs = { .ptp_off = PTP_XGMAC_OFFSET, - .mmc_off = 0, + .mmc_off = MMC_XGMAC_OFFSET, }, .desc = &dwxgmac210_desc_ops, .dma = &dwxgmac210_dma_ops, @@ -209,7 +209,7 @@ static const struct stmmac_hwif_entry { .hwtimestamp = &stmmac_ptp, .mode = NULL, .tc = &dwmac510_tc_ops, - .mmc = NULL, + .mmc = &dwxgmac_mmc_ops, .setup = dwxgmac2_setup, .quirks = NULL, }, diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 278c0dbec9d9..00539a09d1db 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -503,6 +503,7 @@ extern const struct stmmac_ops dwxgmac210_ops; extern const struct stmmac_dma_ops dwxgmac210_dma_ops; extern const struct stmmac_desc_ops dwxgmac210_desc_ops; extern const struct stmmac_mmc_ops dwmac_mmc_ops; +extern const struct stmmac_mmc_ops dwxgmac_mmc_ops; #define GMAC_VERSION 0x00000020 /* GMAC CORE Version */ #define GMAC4_VERSION 0x00000110 /* GMAC4+ CORE Version */ diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc.h b/drivers/net/ethernet/stmicro/stmmac/mmc.h index 3587ceb9faf5..a0c05925883e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc.h +++ b/drivers/net/ethernet/stmicro/stmmac/mmc.h @@ -24,6 +24,7 @@ #define MMC_GMAC4_OFFSET 0x700 #define MMC_GMAC3_X_OFFSET 0x100 +#define MMC_XGMAC_OFFSET 0x800 struct stmmac_counters { unsigned int mmc_tx_octetcount_gb; @@ -116,6 +117,14 @@ struct stmmac_counters { unsigned int mmc_rx_tcp_err_octets; unsigned int mmc_rx_icmp_gd_octets; unsigned int mmc_rx_icmp_err_octets; + + /* FPE */ + unsigned int mmc_tx_fpe_fragment_cntr; + unsigned int mmc_tx_hold_req_cntr; + unsigned int mmc_rx_packet_assembly_err_cntr; + unsigned int mmc_rx_packet_smd_err_cntr; + unsigned int mmc_rx_packet_assembly_ok_cntr; + unsigned int mmc_rx_fpe_fragment_cntr; }; #endif /* __MMC_H__ */ diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c index a471db6d7b11..a223584f5f9a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -119,6 +119,64 @@ #define MMC_RX_ICMP_GD_OCTETS 0x180 #define MMC_RX_ICMP_ERR_OCTETS 0x184 +/* XGMAC MMC Registers */ +#define MMC_XGMAC_TX_OCTET_GB 0x14 +#define MMC_XGMAC_TX_PKT_GB 0x1c +#define MMC_XGMAC_TX_BROAD_PKT_G 0x24 +#define MMC_XGMAC_TX_MULTI_PKT_G 0x2c +#define MMC_XGMAC_TX_64OCT_GB 0x34 +#define MMC_XGMAC_TX_65OCT_GB 0x3c +#define MMC_XGMAC_TX_128OCT_GB 0x44 +#define MMC_XGMAC_TX_256OCT_GB 0x4c +#define MMC_XGMAC_TX_512OCT_GB 0x54 +#define MMC_XGMAC_TX_1024OCT_GB 0x5c +#define MMC_XGMAC_TX_UNI_PKT_GB 0x64 +#define MMC_XGMAC_TX_MULTI_PKT_GB 0x6c +#define MMC_XGMAC_TX_BROAD_PKT_GB 0x74 +#define MMC_XGMAC_TX_UNDER 0x7c +#define MMC_XGMAC_TX_OCTET_G 0x84 +#define MMC_XGMAC_TX_PKT_G 0x8c +#define MMC_XGMAC_TX_PAUSE 0x94 +#define MMC_XGMAC_TX_VLAN_PKT_G 0x9c +#define MMC_XGMAC_TX_LPI_USEC 0xa4 +#define MMC_XGMAC_TX_LPI_TRAN 0xa8 + +#define MMC_XGMAC_RX_PKT_GB 0x100 +#define MMC_XGMAC_RX_OCTET_GB 0x108 +#define MMC_XGMAC_RX_OCTET_G 0x110 +#define MMC_XGMAC_RX_BROAD_PKT_G 0x118 +#define MMC_XGMAC_RX_MULTI_PKT_G 0x120 +#define MMC_XGMAC_RX_CRC_ERR 0x128 +#define MMC_XGMAC_RX_RUNT_ERR 0x130 +#define MMC_XGMAC_RX_JABBER_ERR 0x134 +#define MMC_XGMAC_RX_UNDER 0x138 +#define MMC_XGMAC_RX_OVER 0x13c +#define MMC_XGMAC_RX_64OCT_GB 0x140 +#define MMC_XGMAC_RX_65OCT_GB 0x148 +#define MMC_XGMAC_RX_128OCT_GB 0x150 +#define MMC_XGMAC_RX_256OCT_GB 0x158 +#define MMC_XGMAC_RX_512OCT_GB 0x160 +#define MMC_XGMAC_RX_1024OCT_GB 0x168 +#define MMC_XGMAC_RX_UNI_PKT_G 0x170 +#define MMC_XGMAC_RX_LENGTH_ERR 0x178 +#define MMC_XGMAC_RX_RANGE 0x180 +#define MMC_XGMAC_RX_PAUSE 0x188 +#define MMC_XGMAC_RX_FIFOOVER_PKT 0x190 +#define MMC_XGMAC_RX_VLAN_PKT_GB 0x198 +#define MMC_XGMAC_RX_WATCHDOG_ERR 0x1a0 +#define MMC_XGMAC_RX_LPI_USEC 0x1a4 +#define MMC_XGMAC_RX_LPI_TRAN 0x1a8 +#define MMC_XGMAC_RX_DISCARD_PKT_GB 0x1ac +#define MMC_XGMAC_RX_DISCARD_OCT_GB 0x1b4 +#define MMC_XGMAC_RX_ALIGN_ERR_PKT 0x1bc + +#define MMC_XGMAC_TX_FPE_FRAG 0x208 +#define MMC_XGMAC_TX_HOLD_REQ 0x20c +#define MMC_XGMAC_RX_PKT_ASSEMBLY_ERR 0x228 +#define MMC_XGMAC_RX_PKT_SMD_ERR 0x22c +#define MMC_XGMAC_RX_PKT_ASSEMBLY_OK 0x230 +#define MMC_XGMAC_RX_FPE_FRAG 0x234 + static void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) { u32 value = readl(mmcaddr + MMC_CNTRL); @@ -263,3 +321,137 @@ const struct stmmac_mmc_ops dwmac_mmc_ops = { .intr_all_mask = dwmac_mmc_intr_all_mask, .read = dwmac_mmc_read, }; + +static void dwxgmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) +{ + u32 value = readl(mmcaddr + MMC_CNTRL); + + value |= (mode & 0x3F); + + writel(value, mmcaddr + MMC_CNTRL); +} + +static void dwxgmac_mmc_intr_all_mask(void __iomem *mmcaddr) +{ + writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK); + writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK); +} + +static void dwxgmac_read_mmc_reg(void __iomem *addr, u32 reg, u32 *dest) +{ + u64 tmp = 0; + + tmp += readl(addr + reg); + tmp += ((u64 )readl(addr + reg + 0x4)) << 32; + if (tmp > GENMASK(31, 0)) + *dest = ~0x0; + else + *dest = *dest + tmp; +} + +/* This reads the MAC core counters (if actaully supported). + * by default the MMC core is programmed to reset each + * counter after a read. So all the field of the mmc struct + * have to be incremented. + */ +static void dwxgmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc) +{ + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_OCTET_GB, + &mmc->mmc_tx_octetcount_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PKT_GB, + &mmc->mmc_tx_framecount_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_BROAD_PKT_G, + &mmc->mmc_tx_broadcastframe_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_MULTI_PKT_G, + &mmc->mmc_tx_multicastframe_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_64OCT_GB, + &mmc->mmc_tx_64_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_65OCT_GB, + &mmc->mmc_tx_65_to_127_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_128OCT_GB, + &mmc->mmc_tx_128_to_255_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_256OCT_GB, + &mmc->mmc_tx_256_to_511_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_512OCT_GB, + &mmc->mmc_tx_512_to_1023_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_1024OCT_GB, + &mmc->mmc_tx_1024_to_max_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_UNI_PKT_GB, + &mmc->mmc_tx_unicast_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_MULTI_PKT_GB, + &mmc->mmc_tx_multicast_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_BROAD_PKT_GB, + &mmc->mmc_tx_broadcast_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_UNDER, + &mmc->mmc_tx_underflow_error); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_OCTET_G, + &mmc->mmc_tx_octetcount_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PKT_G, + &mmc->mmc_tx_framecount_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PAUSE, + &mmc->mmc_tx_pause_frame); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_VLAN_PKT_G, + &mmc->mmc_tx_vlan_frame_g); + + /* MMC RX counter registers */ + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_PKT_GB, + &mmc->mmc_rx_framecount_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_OCTET_GB, + &mmc->mmc_rx_octetcount_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_OCTET_G, + &mmc->mmc_rx_octetcount_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_BROAD_PKT_G, + &mmc->mmc_rx_broadcastframe_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_MULTI_PKT_G, + &mmc->mmc_rx_multicastframe_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_CRC_ERR, + &mmc->mmc_rx_crc_error); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_CRC_ERR, + &mmc->mmc_rx_crc_error); + mmc->mmc_rx_run_error += readl(mmcaddr + MMC_XGMAC_RX_RUNT_ERR); + mmc->mmc_rx_jabber_error += readl(mmcaddr + MMC_XGMAC_RX_JABBER_ERR); + mmc->mmc_rx_undersize_g += readl(mmcaddr + MMC_XGMAC_RX_UNDER); + mmc->mmc_rx_oversize_g += readl(mmcaddr + MMC_XGMAC_RX_OVER); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_64OCT_GB, + &mmc->mmc_rx_64_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_65OCT_GB, + &mmc->mmc_rx_65_to_127_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_128OCT_GB, + &mmc->mmc_rx_128_to_255_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_256OCT_GB, + &mmc->mmc_rx_256_to_511_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_512OCT_GB, + &mmc->mmc_rx_512_to_1023_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_1024OCT_GB, + &mmc->mmc_rx_1024_to_max_octets_gb); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_UNI_PKT_G, + &mmc->mmc_rx_unicast_g); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_LENGTH_ERR, + &mmc->mmc_rx_length_error); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_RANGE, + &mmc->mmc_rx_autofrangetype); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_PAUSE, + &mmc->mmc_rx_pause_frames); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_FIFOOVER_PKT, + &mmc->mmc_rx_fifo_overflow); + dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_VLAN_PKT_GB, + &mmc->mmc_rx_vlan_frames_gb); + mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_XGMAC_RX_WATCHDOG_ERR); + + mmc->mmc_tx_fpe_fragment_cntr += readl(mmcaddr + MMC_XGMAC_TX_FPE_FRAG); + mmc->mmc_tx_hold_req_cntr += readl(mmcaddr + MMC_XGMAC_TX_HOLD_REQ); + mmc->mmc_rx_packet_assembly_err_cntr += + readl(mmcaddr + MMC_XGMAC_RX_PKT_ASSEMBLY_ERR); + mmc->mmc_rx_packet_smd_err_cntr += + readl(mmcaddr + MMC_XGMAC_RX_PKT_SMD_ERR); + mmc->mmc_rx_packet_assembly_ok_cntr += + readl(mmcaddr + MMC_XGMAC_RX_PKT_ASSEMBLY_OK); + mmc->mmc_rx_fpe_fragment_cntr += + readl(mmcaddr + MMC_XGMAC_RX_FPE_FRAG); +} + +const struct stmmac_mmc_ops dwxgmac_mmc_ops = { + .ctrl = dwxgmac_mmc_ctrl, + .intr_all_mask = dwxgmac_mmc_intr_all_mask, + .read = dwxgmac_mmc_read, +}; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 6efb66820d4c..d294590cba27 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -243,6 +243,12 @@ static const struct stmmac_stats stmmac_mmc[] = { STMMAC_MMC_STAT(mmc_rx_tcp_err_octets), STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets), STMMAC_MMC_STAT(mmc_rx_icmp_err_octets), + STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr), + STMMAC_MMC_STAT(mmc_tx_hold_req_cntr), + STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr), + STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr), + STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr), + STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr), }; #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc) -- 2.7.4