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- From bf3f81f3773cc9f6b273d769aca96512780c6189 Mon Sep 17 00:00:00 2001
- From: Po Liu <[email protected]>
- Date: Tue, 3 Dec 2019 16:52:57 +0800
- Subject: [PATCH] enetc: add support tsn capabilities qbv/qci/qbu/cbs
- Support Qbv/Qci/Qbu/Credit Base Shaper etc.
- This patch using the generic netlink adapt layer driver net/tsn/*
- and include/net/tsn.h interface load by user space. The user space
- refer the include/uapi/linux/tsn.h.
- Signed-off-by: Po Liu <[email protected]>
- ---
- drivers/net/ethernet/freescale/enetc/Kconfig | 10 +
- drivers/net/ethernet/freescale/enetc/Makefile | 1 +
- drivers/net/ethernet/freescale/enetc/enetc.c | 13 +-
- drivers/net/ethernet/freescale/enetc/enetc.h | 38 +
- .../net/ethernet/freescale/enetc/enetc_ethtool.c | 59 +
- drivers/net/ethernet/freescale/enetc/enetc_hw.h | 438 ++++-
- drivers/net/ethernet/freescale/enetc/enetc_pf.c | 15 +-
- drivers/net/ethernet/freescale/enetc/enetc_tsn.c | 2049 ++++++++++++++++++++
- 8 files changed, 2614 insertions(+), 9 deletions(-)
- create mode 100644 drivers/net/ethernet/freescale/enetc/enetc_tsn.c
- --- a/drivers/net/ethernet/freescale/enetc/Kconfig
- +++ b/drivers/net/ethernet/freescale/enetc/Kconfig
- @@ -60,3 +60,13 @@ config FSL_ENETC_QOS
- enable/disable from user space via Qos commands(tc). In the kernel
- side, it can be loaded by Qos driver. Currently, it is only support
- taprio(802.1Qbv) and Credit Based Shaper(802.1Qbu).
- +
- +config ENETC_TSN
- + bool "TSN Support for NXP ENETC driver"
- + default n
- + depends on TSN && FSL_ENETC
- + help
- + This driver supports TSN on Freescale ENETC driver. Provide
- + interface to config the tsn capabilities of ENETC. The interface link
- + to the /net/tsn/* and include/net/tsn.h. User space refer the
- + include/uapi/linux/tsn.h.
- --- a/drivers/net/ethernet/freescale/enetc/Makefile
- +++ b/drivers/net/ethernet/freescale/enetc/Makefile
- @@ -6,6 +6,7 @@ obj-$(CONFIG_FSL_ENETC) += fsl-enetc.o
- fsl-enetc-y := enetc_pf.o enetc_mdio.o $(common-objs)
- fsl-enetc-$(CONFIG_PCI_IOV) += enetc_msg.o
- fsl-enetc-$(CONFIG_FSL_ENETC_QOS) += enetc_qos.o
- +fsl-enetc-$(CONFIG_ENETC_TSN) += enetc_tsn.o
-
- obj-$(CONFIG_FSL_ENETC_VF) += fsl-enetc-vf.o
- fsl-enetc-vf-y := enetc_vf.o $(common-objs)
- --- a/drivers/net/ethernet/freescale/enetc/enetc.c
- +++ b/drivers/net/ethernet/freescale/enetc/enetc.c
- @@ -145,7 +145,8 @@ static int enetc_map_tx_buffs(struct ene
- do_tstamp = (active_offloads & ENETC_F_TX_TSTAMP) &&
- (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP);
- tx_swbd->do_tstamp = do_tstamp;
- - tx_swbd->check_wb = tx_swbd->do_tstamp;
- + tx_swbd->qbv_en = !!(active_offloads & ENETC_F_QBV);
- + tx_swbd->check_wb = tx_swbd->do_tstamp || tx_swbd->qbv_en;
-
- if (do_vlan || do_tstamp)
- flags |= ENETC_TXBD_FLAGS_EX;
- @@ -342,7 +343,7 @@ static void enetc_tstamp_tx(struct sk_bu
- static bool enetc_clean_tx_ring(struct enetc_bdr *tx_ring, int napi_budget)
- {
- struct net_device *ndev = tx_ring->ndev;
- - int tx_frm_cnt = 0, tx_byte_cnt = 0;
- + int tx_frm_cnt = 0, tx_byte_cnt = 0, tx_win_drop = 0;
- struct enetc_tx_swbd *tx_swbd;
- int i, bds_to_clean;
- bool do_tstamp;
- @@ -372,6 +373,10 @@ static bool enetc_clean_tx_ring(struct e
- &tstamp);
- do_tstamp = true;
- }
- +
- + if (tx_swbd->qbv_en &&
- + txbd->wb.status & ENETC_TXBD_STATS_WIN)
- + tx_win_drop++;
- }
-
- if (likely(tx_swbd->dma))
- @@ -415,6 +420,7 @@ static bool enetc_clean_tx_ring(struct e
- tx_ring->next_to_clean = i;
- tx_ring->stats.packets += tx_frm_cnt;
- tx_ring->stats.bytes += tx_byte_cnt;
- + tx_ring->stats.win_drop += tx_win_drop;
-
- if (unlikely(tx_frm_cnt && netif_carrier_ok(ndev) &&
- __netif_subqueue_stopped(ndev, tx_ring->index) &&
- @@ -778,6 +784,9 @@ void enetc_get_si_caps(struct enetc_si *
-
- if (val & ENETC_SIPCAPR0_QBV)
- si->hw_features |= ENETC_SI_F_QBV;
- +
- + if (val & ENETC_SIPCAPR0_QBU)
- + si->hw_features |= ENETC_SI_F_QBU;
- }
-
- static int enetc_dma_alloc_bdr(struct enetc_bdr *r, size_t bd_size)
- --- a/drivers/net/ethernet/freescale/enetc/enetc.h
- +++ b/drivers/net/ethernet/freescale/enetc/enetc.h
- @@ -10,6 +10,7 @@
- #include <linux/ethtool.h>
- #include <linux/if_vlan.h>
- #include <linux/phy.h>
- +#include <net/tsn.h>
-
- #include "enetc_hw.h"
-
- @@ -24,6 +25,7 @@ struct enetc_tx_swbd {
- u8 is_dma_page:1;
- u8 check_wb:1;
- u8 do_tstamp:1;
- + u8 qbv_en:1;
- };
-
- #define ENETC_RX_MAXFRM_SIZE ENETC_MAC_MAXFRM_SIZE
- @@ -42,6 +44,7 @@ struct enetc_ring_stats {
- unsigned int packets;
- unsigned int bytes;
- unsigned int rx_alloc_errs;
- + unsigned int win_drop;
- };
-
- #define ENETC_BDR_DEFAULT_SIZE 1024
- @@ -111,6 +114,28 @@ struct enetc_msg_swbd {
- int size;
- };
-
- +#ifdef CONFIG_ENETC_TSN
- +/* Credit-Based Shaper parameters */
- +struct cbs {
- + u8 tc;
- + bool enable;
- + u8 bw;
- + u32 hi_credit;
- + u32 lo_credit;
- + u32 idle_slope;
- + u32 send_slope;
- + u32 tc_max_sized_frame;
- + u32 max_interfrence_size;
- +};
- +
- +struct enetc_cbs {
- + u32 port_transmit_rate;
- + u32 port_max_size_frame;
- + u8 tc_nums;
- + struct cbs cbs[0];
- +};
- +#endif
- +
- #define ENETC_REV1 0x1
- enum enetc_errata {
- ENETC_ERR_TXCSUM = BIT(0),
- @@ -119,6 +144,7 @@ enum enetc_errata {
- };
-
- #define ENETC_SI_F_QBV BIT(0)
- +#define ENETC_SI_F_QBU BIT(1)
-
- /* PCI IEP device data */
- struct enetc_si {
- @@ -136,6 +162,10 @@ struct enetc_si {
- int num_rss; /* number of RSS buckets */
- unsigned short pad;
- int hw_features;
- +#ifdef CONFIG_ENETC_TSN
- + struct enetc_cbs *ecbs;
- +#endif
- +
- };
-
- #define ENETC_SI_ALIGN 32
- @@ -177,6 +207,7 @@ enum enetc_active_offloads {
- ENETC_F_RX_TSTAMP = BIT(0),
- ENETC_F_TX_TSTAMP = BIT(1),
- ENETC_F_QBV = BIT(2),
- + ENETC_F_QBU = BIT(3),
- };
-
- struct enetc_ndev_priv {
- @@ -261,3 +292,10 @@ int enetc_setup_tc_cbs(struct net_device
- #define enetc_sched_speed_set(ndev) (void)0
- #define enetc_setup_tc_cbs(ndev, type_data) -EOPNOTSUPP
- #endif
- +#ifdef CONFIG_ENETC_TSN
- +void enetc_tsn_pf_init(struct net_device *netdev, struct pci_dev *pdev);
- +void enetc_tsn_pf_deinit(struct net_device *netdev);
- +#else
- +#define enetc_tsn_pf_init(netdev, pdev) (void)0
- +#define enetc_tsn_pf_deinit(netdev) (void)0
- +#endif
- --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
- +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
- @@ -187,6 +187,21 @@ static const struct {
- { ENETC_PICDR(3), "ICM DR3 discarded frames" },
- };
-
- +static const struct {
- + int reg;
- + char name[ETH_GSTRING_LEN];
- +} enetc_pmac_counters[] = {
- + { ENETC_PM1_RFRM, "PMAC rx frames" },
- + { ENETC_PM1_RPKT, "PMAC rx packets" },
- + { ENETC_PM1_RDRP, "PMAC rx dropped packets" },
- + { ENETC_PM1_RFRG, "PMAC rx fragment packets" },
- + { ENETC_PM1_TFRM, "PMAC tx frames" },
- + { ENETC_PM1_TERR, "PMAC tx error frames" },
- + { ENETC_PM1_TPKT, "PMAC tx packets" },
- + { ENETC_MAC_MERGE_MMFCRXR, "MAC merge fragment rx counter" },
- + { ENETC_MAC_MERGE_MMFCTXR, "MAC merge fragment tx counter"},
- +};
- +
- static const char rx_ring_stats[][ETH_GSTRING_LEN] = {
- "Rx ring %2d frames",
- "Rx ring %2d alloc errors",
- @@ -196,6 +211,10 @@ static const char tx_ring_stats[][ETH_GS
- "Tx ring %2d frames",
- };
-
- +static const char tx_windrop_stats[][ETH_GSTRING_LEN] = {
- + "Tx window drop %2d frames",
- +};
- +
- static int enetc_get_sset_count(struct net_device *ndev, int sset)
- {
- struct enetc_ndev_priv *priv = netdev_priv(ndev);
- @@ -213,6 +232,12 @@ static int enetc_get_sset_count(struct n
-
- len += ARRAY_SIZE(enetc_port_counters);
-
- + if (priv->active_offloads & ENETC_F_QBU)
- + len += ARRAY_SIZE(enetc_pmac_counters);
- +
- + if (priv->active_offloads & ENETC_F_QBV)
- + len += ARRAY_SIZE(tx_windrop_stats) * priv->num_tx_rings;
- +
- return len;
- }
-
- @@ -251,6 +276,28 @@ static void enetc_get_strings(struct net
- ETH_GSTRING_LEN);
- p += ETH_GSTRING_LEN;
- }
- +
- + if (!(priv->active_offloads & ENETC_F_QBU))
- + break;
- +
- + for (i = 0; i < ARRAY_SIZE(enetc_pmac_counters); i++) {
- + strlcpy(p, enetc_pmac_counters[i].name,
- + ETH_GSTRING_LEN);
- + p += ETH_GSTRING_LEN;
- + }
- +
- + if (!((priv->active_offloads & ENETC_F_QBV)))
- + break;
- +
- + for (i = 0; i < priv->num_tx_rings; i++) {
- + for (j = 0; j < ARRAY_SIZE(tx_windrop_stats); j++) {
- + snprintf(p, ETH_GSTRING_LEN,
- + tx_windrop_stats[j],
- + i);
- + p += ETH_GSTRING_LEN;
- + }
- + }
- +
- break;
- }
- }
- @@ -278,6 +325,18 @@ static void enetc_get_ethtool_stats(stru
-
- for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
- data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
- +
- + if (!(priv->active_offloads & ENETC_F_QBU))
- + return;
- +
- + for (i = 0; i < ARRAY_SIZE(enetc_pmac_counters); i++)
- + data[o++] = enetc_port_rd(hw, enetc_pmac_counters[i].reg);
- +
- + if (!((priv->active_offloads & ENETC_F_QBV)))
- + return;
- +
- + for (i = 0; i < priv->num_tx_rings; i++)
- + data[o++] = priv->tx_ring[i]->stats.win_drop;
- }
-
- #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
- --- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
- +++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
- @@ -19,6 +19,7 @@
- #define ENETC_SICTR1 0x1c
- #define ENETC_SIPCAPR0 0x20
- #define ENETC_SIPCAPR0_QBV BIT(4)
- +#define ENETC_SIPCAPR0_QBU BIT(3)
- #define ENETC_SIPCAPR0_RSS BIT(8)
- #define ENETC_SIPCAPR1 0x24
- #define ENETC_SITGTGR 0x30
- @@ -241,10 +242,20 @@ enum enetc_bdr_type {TX, RX};
- #define ENETC_PCS_IF_MODE_SGMII_AN 0x0003
-
- #define ENETC_PM0_IF_MODE 0x8300
- +#define ENETC_PM1_IF_MODE 0x9300
- #define ENETC_PMO_IFM_RG BIT(2)
- #define ENETC_PM0_IFM_RLP (BIT(5) | BIT(11))
- #define ENETC_PM0_IFM_RGAUTO (BIT(15) | ENETC_PMO_IFM_RG | BIT(1))
- #define ENETC_PM0_IFM_XGMII BIT(12)
- +#define ENETC_PSIDCAPR 0x1b08
- +#define ENETC_PSIDCAPR_MSK GENMASK(15, 0)
- +#define ENETC_PSFCAPR 0x1b18
- +#define ENETC_PSFCAPR_MSK GENMASK(15, 0)
- +#define ENETC_PSGCAPR 0x1b28
- +#define ENETC_PSGCAPR_GCL_MSK GENMASK(18, 16)
- +#define ENETC_PSGCAPR_SGIT_MSK GENMASK(15, 0)
- +#define ENETC_PFMCAPR 0x1b38
- +#define ENETC_PFMCAPR_MSK GENMASK(15, 0)
-
- /* MAC counters */
- #define ENETC_PM0_REOCT 0x8100
- @@ -298,6 +309,15 @@ enum enetc_bdr_type {TX, RX};
- #define ENETC_PM0_TSCOL 0x82E0
- #define ENETC_PM0_TLCOL 0x82E8
- #define ENETC_PM0_TECOL 0x82F0
- +#define ENETC_PM1_RFRM 0x9120
- +#define ENETC_PM1_RDRP 0x9158
- +#define ENETC_PM1_RPKT 0x9160
- +#define ENETC_PM1_RFRG 0x91B8
- +#define ENETC_PM1_TFRM 0x9220
- +#define ENETC_PM1_TERR 0x9238
- +#define ENETC_PM1_TPKT 0x9260
- +#define ENETC_MAC_MERGE_MMFCRXR 0x1f14
- +#define ENETC_MAC_MERGE_MMFCTXR 0x1f18
-
- /* Port counters */
- #define ENETC_PICDR(n) (0x0700 + (n) * 8) /* n = [0..3] */
- @@ -456,6 +476,7 @@ union enetc_tx_bd {
- #define ENETC_TXBD_FLAGS_CSUM BIT(3)
- #define ENETC_TXBD_FLAGS_EX BIT(6)
- #define ENETC_TXBD_FLAGS_F BIT(7)
- +#define ENETC_TXBD_STATS_WIN BIT(7)
-
- static inline void enetc_clear_tx_bd(union enetc_tx_bd *txbd)
- {
- @@ -483,6 +504,8 @@ static inline __le16 enetc_txbd_l3_csoff
- #define ENETC_TXBD_L4_UDP BIT(5)
- #define ENETC_TXBD_L4_TCP BIT(6)
-
- +#define enetc_tsn_is_enabled() IS_ENABLED(CONFIG_ENETC_TSN)
- +
- union enetc_rx_bd {
- struct {
- __le64 addr;
- @@ -629,21 +652,307 @@ enum bdcr_cmd_class {
- BDCR_CMD_RFS,
- BDCR_CMD_PORT_GCL,
- BDCR_CMD_RECV_CLASSIFIER,
- + BDCR_CMD_STREAM_IDENTIFY,
- + BDCR_CMD_STREAM_FILTER,
- + BDCR_CMD_STREAM_GCL,
- + BDCR_CMD_FLOW_METER,
- __BDCR_CMD_MAX_LEN,
- BDCR_CMD_MAX_LEN = __BDCR_CMD_MAX_LEN - 1,
- };
-
- +/* class 7, command 0, Stream Identity Entry Configuration */
- +struct streamid_conf {
- + __le32 stream_handle; /* init gate value */
- + __le32 iports;
- + u8 id_type;
- + u8 oui[3];
- + u8 res[3];
- + u8 en;
- +};
- +
- +#define ENETC_CBDR_SID_VID_MASK 0xfff
- +#define ENETC_CBDR_SID_VIDM BIT(12)
- +#define ENETC_CBDR_SID_TG_MASK 0xc000
- +/* streamid_conf address point to this data space */
- +struct null_streamid_data {
- + u8 dmac[6];
- + u16 vid_vidm_tg;
- +};
- +
- +struct smac_streamid_data {
- + u8 smac[6];
- + u16 vid_vidm_tg;
- +};
- +
- +/* class 7, command 1, query config , long format */
- +/* No need structure define */
- +
- +#define ENETC_CDBR_SID_ENABLE BIT(7)
- +/* Stream ID Query Response Data Buffer */
- +struct streamid_query_resp {
- + u32 stream_handle;
- + u32 input_ports;
- + u8 id_type;
- + u8 oui[3];
- + u8 mac[6];
- + u16 vid_vidm_tg;
- + u8 res[3];
- + u8 en;
- +};
- +
- +/* class 7, command 2, qeury status count, Stream ID query long format */
- +struct streamid_stat_query {
- + u8 res[12];
- + __le32 input_ports;
- +};
- +
- +/* Stream Identity Statistics Query */
- +struct streamid_stat_query_resp {
- + u32 psinl;
- + u32 psinh;
- + u64 pspi[32];
- +};
- +
- +#define ENETC_CBDR_SFI_PRI_MASK 0x7
- +#define ENETC_CBDR_SFI_PRIM BIT(3)
- +#define ENETC_CBDR_SFI_BLOV BIT(4)
- +#define ENETC_CBDR_SFI_BLEN BIT(5)
- +#define ENETC_CBDR_SFI_MSDUEN BIT(6)
- +#define ENETC_CBDR_SFI_FMITEN BIT(7)
- +#define ENETC_CBDR_SFI_ENABLE BIT(7)
- +/* class 8, command 0, Stream Filter Instance, Short Format */
- +struct sfi_conf {
- + __le32 stream_handle;
- + u8 multi;
- + u8 res[2];
- + u8 sthm;
- + /* Max Service Data Unit or Flow Meter Instance Table index.
- + * Depending on the value of FLT this represents either Max
- + * Service Data Unit (max frame size) allowed by the filter
- + * entry or is an index into the Flow Meter Instance table
- + * index identifying the policer which will be used to police
- + * it.
- + */
- + __le16 fm_inst_table_index;
- + __le16 msdu;
- + __le16 sg_inst_table_index;
- + u8 res1[2];
- + __le32 input_ports;
- + u8 res2[3];
- + u8 en;
- +};
- +
- +/* class 8, command 1, Stream Filter Instance, write back, short Format */
- +struct sfi_query {
- + u32 stream_handle;
- + u8 multi;
- + u8 res[2];
- + u8 sthm;
- + u16 fm_inst_table_index;
- + u16 msdu;
- + u16 sg_inst_table_index;
- + u8 res1[2];
- + u32 input_ports;
- + u8 res2[3];
- + u8 en;
- +};
- +
- +/* class 8, command 2 stream Filter Instance status query short format
- + * command no need structure define
- + * Stream Filter Instance Query Statistics Response data
- + */
- +struct sfi_counter_data {
- + u32 matchl;
- + u32 matchh;
- + u32 msdu_dropl;
- + u32 msdu_droph;
- + u32 stream_gate_dropl;
- + u32 stream_gate_droph;
- + u32 flow_meter_dropl;
- + u32 flow_meter_droph;
- +};
- +
- +#define ENETC_CBDR_SGI_OIPV_MASK 0x7
- +#define ENETC_CBDR_SGI_OIPV_EN BIT(3)
- +#define ENETC_CBDR_SGI_CGTST BIT(6)
- +#define ENETC_CBDR_SGI_OGTST BIT(7)
- +#define ENETC_CBDR_SGI_CFG_CHG BIT(1)
- +#define ENETC_CBDR_SGI_CFG_PND BIT(2)
- +#define ENETC_CBDR_SGI_OEX BIT(4)
- +#define ENETC_CBDR_SGI_OEXEN BIT(5)
- +#define ENETC_CBDR_SGI_IRX BIT(6)
- +#define ENETC_CBDR_SGI_IRXEN BIT(7)
- +#define ENETC_CBDR_SGI_ACLLEN_MASK 0x3
- +#define ENETC_CBDR_SGI_OCLLEN_MASK 0xc
- +#define ENETC_CBDR_SGI_EN BIT(7)
- +/* class 9, command 0, Stream Gate Instance Table, Short Format
- + * class 9, command 2, Stream Gate Instance Table entry query write back
- + * Short Format
- + */
- +struct sgi_table {
- + u8 res[8];
- + u8 oipv;
- + u8 res0[2];
- + u8 ocgtst;
- + u8 res1[7];
- + u8 gset;
- + u8 oacl_len;
- + u8 res2[2];
- + u8 en;
- +};
- +
- +#define ENETC_CBDR_SGI_AIPV_MASK 0x7
- +#define ENETC_CBDR_SGI_AIPV_EN BIT(3)
- +#define ENETC_CBDR_SGI_AGTST BIT(7)
- +
- +/* class 9, command 1, Stream Gate Control List, Long Format */
- +struct sgcl_conf {
- + u8 aipv;
- + u8 res[2];
- + u8 agtst;
- + u8 res1[4];
- + union {
- + struct {
- + u8 res2[4];
- + u8 acl_len;
- + u8 res3[3];
- + };
- + u8 cct[8]; /* Config change time */
- + };
- +};
- +
- +/* stream control list class 9 , cmd 1 data buffer */
- +struct sgcl_data {
- + u32 btl;
- + u32 bth;
- + u32 ct;
- + u32 cte;
- + /*struct sgce *sgcl;*/
- +};
- +
- +/* class 9, command 2, stream gate instant table enery query, short format
- + * write back see struct sgi_table. Do not need define.
- + * class 9, command 3 Stream Gate Control List Query Descriptor - Long Format
- + * ocl_len or acl_len to be 0, oper or admin would not show in the data space
- + * true len will be write back in the space.
- + */
- +struct sgcl_query {
- + u8 res[12];
- + u8 oacl_len;
- + u8 res1[3];
- +};
- +
- +/* define for 'stat' */
- +#define ENETC_CBDR_SGIQ_AIPV_MASK 0x7
- +#define ENETC_CBDR_SGIQ_AIPV_EN BIT(3)
- +#define ENETC_CBDR_SGIQ_AGTST BIT(4)
- +#define ENETC_CBDR_SGIQ_ACL_LEN_MASK 0x60
- +#define ENETC_CBDR_SGIQ_OIPV_MASK 0x380
- +#define ENETC_CBDR_SGIQ_OIPV_EN BIT(10)
- +#define ENETC_CBDR_SGIQ_OGTST BIT(11)
- +#define ENETC_CBDR_SGIQ_OCL_LEN_MASK 0x3000
- +/* class 9, command 3 data space */
- +struct sgcl_query_resp {
- + u16 stat;
- + u16 res;
- + u32 abtl;
- + u32 abth;
- + u32 act;
- + u32 acte;
- + u32 cctl;
- + u32 ccth;
- + u32 obtl;
- + u32 obth;
- + u32 oct;
- + u32 octe;
- +};
- +
- +/* class 9, command 4 Stream Gate Instance Table Query Statistics Response
- + * short command, write back, no command define
- + */
- +struct sgi_query_stat_resp {
- + u32 pgcl;
- + u32 pgch;
- + u32 dgcl;
- + u32 dgch;
- + u16 msdu_avail;
- + u8 res[6];
- +};
- +
- +#define ENETC_CBDR_FMI_MR BIT(0)
- +#define ENETC_CBDR_FMI_MREN BIT(1)
- +#define ENETC_CBDR_FMI_DOY BIT(2)
- +#define ENETC_CBDR_FMI_CM BIT(3)
- +#define ENETC_CBDR_FMI_CF BIT(4)
- +#define ENETC_CBDR_FMI_NDOR BIT(5)
- +#define ENETC_CBDR_FMI_OALEN BIT(6)
- +#define ENETC_CBDR_FMI_IRFPP_MASK 0x1f
- +/* class 10: command 0/1, Flow Meter Instance Set, short Format */
- +struct fmi_conf {
- + __le32 cir;
- + __le32 cbs;
- + __le32 eir;
- + __le32 ebs;
- + u8 conf;
- + u8 res1;
- + u8 ir_fpp;
- + u8 res2[4];
- + u8 en;
- +};
- +
- +/* class:10, command:2, Flow Meter Instance Statistics Query Response */
- +struct fmi_query_stat_resp {
- + u32 bcl;
- + u32 bch;
- + u32 dfl;
- + u32 dfh;
- + u32 d0gfl;
- + u32 d0gfh;
- + u32 d1gfl;
- + u32 d1gfh;
- + u32 dyfl;
- + u32 dyfh;
- + u32 ryfl;
- + u32 ryfh;
- + u32 drfl;
- + u32 drfh;
- + u32 rrfl;
- + u32 rrfh;
- + u32 lts;
- + u32 bci;
- + u32 bcf;
- + u32 bei;
- + u32 bef;
- +};
- +
- /* class 5, command 0 */
- struct tgs_gcl_conf {
- u8 atc; /* init gate value */
- u8 res[7];
- - struct {
- - u8 res1[4];
- - __le16 acl_len;
- - u8 res2[2];
- + union {
- + struct {
- + u8 res1[4];
- + __le16 acl_len;
- + u8 res2[2];
- + };
- + struct {
- + u32 cctl;
- + u32 ccth;
- + };
- };
- };
-
- +#define ENETC_CBDR_SGL_IOMEN BIT(0)
- +#define ENETC_CBDR_SGL_IPVEN BIT(3)
- +#define ENETC_CBDR_SGL_GTST BIT(4)
- +#define ENETC_CBDR_SGL_IPV_MASK 0xe
- +/* Stream Gate Control List Entry */
- +struct sgce {
- + u32 interval;
- + u8 msdu[3];
- + u8 multi;
- +};
- +
- /* gate control list entry */
- struct gce {
- __le32 period;
- @@ -660,13 +969,55 @@ struct tgs_gcl_data {
- struct gce entry[0];
- };
-
- +/* class 5, command 1 */
- +struct tgs_gcl_query {
- + u8 res[12];
- + union {
- + struct {
- + __le16 acl_len; /* admin list length */
- + __le16 ocl_len; /* operation list length */
- + };
- + struct {
- + u16 admin_list_len;
- + u16 oper_list_len;
- + };
- + };
- +
- +};
- +
- +/* tgs_gcl_query command response data format */
- +struct tgs_gcl_resp {
- + u32 abtl; /* base time */
- + u32 abth;
- + u32 act; /* cycle time */
- + u32 acte; /* cycle time extend */
- + u32 cctl; /* config change time */
- + u32 ccth;
- + u32 obtl; /* operation base time */
- + u32 obth;
- + u32 oct; /* operation cycle time */
- + u32 octe; /* operation cycle time extend */
- + u32 ccel; /* config change error */
- + u32 cceh;
- + /*struct gce *gcl;*/
- +};
- +
- struct enetc_cbd {
- union{
- + struct sfi_conf sfi_conf;
- + struct sgi_table sgi_table;
- + struct sgi_query_stat_resp sgi_query_stat_resp;
- + struct fmi_conf fmi_conf;
- struct {
- __le32 addr[2];
- union {
- __le32 opt[4];
- - struct tgs_gcl_conf gcl_conf;
- + struct tgs_gcl_conf gcl_conf;
- + struct tgs_gcl_query gcl_query;
- + struct streamid_conf sid_set;
- + struct streamid_stat_query sid_stat;
- + struct sgcl_conf sgcl_conf;
- + struct sgcl_query sgcl_query;
- };
- }; /* Long format */
- __le32 data[6];
- @@ -681,11 +1032,88 @@ struct enetc_cbd {
-
- #define ENETC_CLK 400000000ULL
-
- +#define ENETC_PTCFPR(n) (0x1910 + (n) * 4) /* n = [0 ..7] */
- +#define ENETC_FPE BIT(31)
- +
- +/* Port capability register 0 */
- +#define ENETC_PCAPR0_PSFPM BIT(10)
- +#define ENETC_PCAPR0_PSFP BIT(9)
- +#define ENETC_PCAPR0_TSN BIT(4)
- +#define ENETC_PCAPR0_QBU BIT(3)
- +
- /* port time gating control register */
- #define ENETC_QBV_PTGCR_OFFSET 0x11a00
- #define ENETC_QBV_TGE BIT(31)
- #define ENETC_QBV_TGPE BIT(30)
- +#define ENETC_QBV_TGDROP_DISABLE BIT(29)
-
- /* Port time gating capability register */
- #define ENETC_QBV_PTGCAPR_OFFSET 0x11a08
- #define ENETC_QBV_MAX_GCL_LEN_MASK GENMASK(15, 0)
- +
- +/* Port time gating tick granularity register */
- +#define ENETC_QBV_PTGTGR_OFFSET 0x11a0c
- +#define ENETC_QBV_TICK_GRAN_MASK 0xffffffff
- +
- +/* Port time gating admin gate list status register */
- +#define ENETC_QBV_PTGAGLSR_OFFSET 0x11a10
- +
- +#define ENETC_QBV_CFG_PEND_MASK 0x00000002
- +
- +/* Port time gating admin gate list length register */
- +#define ENETC_QBV_PTGAGLLR_OFFSET 0x11a14
- +#define ENETC_QBV_ADMIN_GATE_LIST_LENGTH_MASK 0xffff
- +
- +/* Port time gating operational gate list status register */
- +#define ENETC_QBV_PTGOGLSR_OFFSET 0x11a18
- +#define ENETC_QBV_HTA_POS_MASK 0xffff0000
- +
- +#define ENETC_QBV_CURR_POS_MASK 0x0000ffff
- +
- +/* Port time gating operational gate list length register */
- +#define ENETC_QBV_PTGOGLLR_OFFSET 0x11a1c
- +#define ENETC_QBV_OPER_GATE_LIST_LENGTH_MASK 0xffff
- +
- +/* Port time gating current time register */
- +#define ENETC_QBV_PTGCTR_OFFSET 0x11a20
- +#define ENETC_QBV_CURR_TIME_MASK 0xffffffffffffffff
- +
- +/* Port traffic class a time gating control register */
- +#define ENETC_QBV_PTC0TGCR_OFFSET 0x11a40
- +#define ENETC_QBV_PTC1TGCR_OFFSET 0x11a50
- +#define ENETC_QBV_PTC2TGCR_OFFSET 0x11a60
- +#define ENETC_QBV_PTC3TGCR_OFFSET 0x11a70
- +#define ENETC_QBV_PTC4TGCR_OFFSET 0x11a80
- +#define ENETC_QBV_PTC5TGCR_OFFSET 0x11a90
- +#define ENETC_QBV_PTC6TGCR_OFFSET 0x11aa0
- +#define ENETC_QBV_PTC7TGCR_OFFSET 0x11ab0
- +
- +/* Maximum Service Data Unit. */
- +#define ENETC_PTC0MSDUR 0x12020
- +#define ENETC_PTC1MSDUR 0x12024
- +#define ENETC_PTC2MSDUR 0x12028
- +#define ENETC_PTC3MSDUR 0x1202c
- +#define ENETC_PTC4MSDUR 0x12030
- +#define ENETC_PTC5MSDUR 0x12034
- +#define ENETC_PTC6MSDUR 0x12038
- +#define ENETC_PTC7MSDUR 0x1203c
- +
- +#define ENETC_QBV_MAXSDU_MASK 0xffff
- +
- +/* Port traffic class a time gating status register */
- +#define ENETC_QBV_PTC0TGSR_OFFSET 0x11a44
- +#define ENETC_QBV_HTA_STATE_MASK 0x10000
- +#define ENETC_QBV_CURR_STATE_MASK 0x1
- +
- +/* Port traffic class a time gating transmission overrun counter register*/
- +#define ENETC_QBV_PTC0TGTOCR_OFFSET 0x11a48
- +#define ENETC_QBV_TX_OVERRUN_MASK 0xffffffffffffffff
- +#define ENETC_TGLSTR 0xa200
- +#define ENETC_TGS_MIN_DIS_MASK 0x80000000
- +#define ENETC_MIN_LOOKAHEAD_MASK 0xffff
- +
- +#define ENETC_PPSFPMR 0x11b00
- +#define ENETC_PPSFPMR_PSFPEN BIT(0)
- +#define ENETC_PPSFPMR_VS BIT(1)
- +#define ENETC_PPSFPMR_PVC BIT(2)
- +#define ENETC_PPSFPMR_PVZC BIT(3)
- --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
- +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
- @@ -525,12 +525,16 @@ static void enetc_configure_port_mac(str
- ENETC_PM0_TX_EN | ENETC_PM0_RX_EN);
- /* set auto-speed for RGMII */
- if (enetc_port_rd(hw, ENETC_PM0_IF_MODE) & ENETC_PMO_IFM_RG ||
- - phy_mode == PHY_INTERFACE_MODE_RGMII)
- + phy_mode == PHY_INTERFACE_MODE_RGMII) {
- enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_RGAUTO);
- + enetc_port_wr(hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_RGAUTO);
- + }
-
- if (phy_mode == PHY_INTERFACE_MODE_XGMII ||
- - phy_mode == PHY_INTERFACE_MODE_USXGMII)
- + phy_mode == PHY_INTERFACE_MODE_USXGMII) {
- enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_XGMII);
- + enetc_port_wr(hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_XGMII);
- + }
- }
-
- static void enetc_configure_port_pmac(struct enetc_hw *hw)
- @@ -749,6 +753,9 @@ static void enetc_pf_netdev_setup(struct
- if (si->hw_features & ENETC_SI_F_QBV)
- priv->active_offloads |= ENETC_F_QBV;
-
- + if (enetc_tsn_is_enabled() && (si->hw_features & ENETC_SI_F_QBU))
- + priv->active_offloads |= ENETC_F_QBU;
- +
- /* pick up primary MAC address from SI */
- enetc_get_primary_mac_addr(&si->hw, ndev->dev_addr);
- }
- @@ -942,6 +949,8 @@ static int enetc_pf_probe(struct pci_dev
- netif_info(priv, probe, ndev, "%s v%s\n",
- enetc_drv_name, enetc_drv_ver);
-
- + enetc_tsn_pf_init(ndev, pdev);
- +
- return 0;
-
- err_reg_netdev:
- @@ -974,6 +983,8 @@ static void enetc_pf_remove(struct pci_d
- netif_info(priv, drv, si->ndev, "%s v%s remove\n",
- enetc_drv_name, enetc_drv_ver);
-
- + enetc_tsn_pf_deinit(si->ndev);
- +
- unregister_netdev(si->ndev);
-
- enetc_mdio_remove(pf);
- --- /dev/null
- +++ b/drivers/net/ethernet/freescale/enetc/enetc_tsn.c
- @@ -0,0 +1,2049 @@
- +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
- +/* Copyright 2017-2019 NXP */
- +
- +#ifdef CONFIG_ENETC_TSN
- +#include "enetc.h"
- +
- +#include <net/tsn.h>
- +#include <linux/module.h>
- +#include <linux/irqflags.h>
- +#include <linux/preempt.h>
- +
- +static u32 get_ndev_speed(struct net_device *netdev);
- +
- +static int alloc_cbdr(struct enetc_si *si, struct enetc_cbd **curr_cbd)
- +{
- + struct enetc_cbdr *ring = &si->cbd_ring;
- + int i;
- +
- + i = ring->next_to_use;
- + *curr_cbd = ENETC_CBD(*ring, i);
- +
- + memset(*curr_cbd, 0, sizeof(struct enetc_cbd));
- + return i;
- +}
- +
- +/* Transmit the BD control ring by writing the pir register.
- + * Update the counters maintained by software.
- + */
- +static int xmit_cbdr(struct enetc_si *si, int i)
- +{
- + struct enetc_cbdr *ring = &si->cbd_ring;
- + struct enetc_cbd *dest_cbd;
- + int nc, timeout;
- +
- + i = (i + 1) % ring->bd_count;
- +
- + ring->next_to_use = i;
- + /* let H/W know BD ring has been updated */
- + enetc_wr_reg(ring->pir, i);
- +
- + timeout = ENETC_CBDR_TIMEOUT;
- +
- + do {
- + if (enetc_rd_reg(ring->cir) == i)
- + break;
- + usleep_range(10, 20);
- + timeout -= 10;
- + } while (timeout);
- +
- + if (!timeout)
- + return -EBUSY;
- +
- + nc = ring->next_to_clean;
- +
- + while (enetc_rd_reg(ring->cir) != nc) {
- + dest_cbd = ENETC_CBD(*ring, nc);
- + if (dest_cbd->status_flags & ENETC_CBD_STATUS_MASK)
- + WARN_ON(1);
- +
- + nc = (nc + 1) % ring->bd_count;
- + }
- +
- + ring->next_to_clean = nc;
- +
- + return 0;
- +}
- +
- +static inline u64 get_current_time(struct enetc_si *si)
- +{
- + u64 tmp = 0;
- +
- + tmp = (u64)enetc_rd(&si->hw, ENETC_SICTR0);
- + return ((u64)enetc_rd(&si->hw, ENETC_SICTR1) << 32) + tmp;
- +}
- +
- +/* Class 10: Flow Meter Instance Statistics Query Descriptor - Long Format */
- +int enetc_qci_fmi_counters_get(struct net_device *ndev, u32 index,
- + struct fmi_query_stat_resp *counters)
- +{
- + struct enetc_cbd *cbdr;
- + struct fmi_query_stat_resp *fmi_data;
- + dma_addr_t dma;
- + u16 data_size, dma_size;
- + int curr_cbd;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16((u16)index);
- + cbdr->cmd = 2;
- + cbdr->cls = BDCR_CMD_FLOW_METER;
- + cbdr->status_flags = 0;
- +
- + data_size = sizeof(struct fmi_query_stat_resp);
- +
- + fmi_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!fmi_data)
- + return -ENOMEM;
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, fmi_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(fmi_data);
- + return -ENOMEM;
- + }
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memcpy(counters, fmi_data, sizeof(struct fmi_query_stat_resp));
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(fmi_data);
- + return 0;
- +}
- +
- +u16 enetc_get_max_gcl_len(struct enetc_hw *hw)
- +{
- + return (enetc_rd(hw, ENETC_QBV_PTGCAPR_OFFSET)
- + & ENETC_QBV_MAX_GCL_LEN_MASK);
- +}
- +
- +void enetc_pspeed_set(struct net_device *ndev)
- +{
- + u32 speed, pspeed;
- + u32 difflag = 0;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + speed = get_ndev_speed(ndev);
- + pspeed = enetc_port_rd(&priv->si->hw, ENETC_PMR)
- + & ENETC_PMR_PSPEED_MASK;
- + switch (speed) {
- + case SPEED_1000:
- + if (pspeed != ENETC_PMR_PSPEED_1000M) {
- + difflag = 1;
- + pspeed = ENETC_PMR_PSPEED_1000M;
- + }
- + break;
- + case SPEED_2500:
- + if (pspeed != ENETC_PMR_PSPEED_2500M) {
- + difflag = 1;
- + pspeed = ENETC_PMR_PSPEED_2500M;
- + }
- +
- + break;
- + case SPEED_100:
- + if (pspeed != ENETC_PMR_PSPEED_100M) {
- + difflag = 1;
- + pspeed = ENETC_PMR_PSPEED_100M;
- + }
- + break;
- + case SPEED_10:
- + if (pspeed != ENETC_PMR_PSPEED_10M) {
- + difflag = 1;
- + pspeed = ENETC_PMR_PSPEED_10M;
- + }
- + break;
- + default:
- + netdev_err(ndev, "not support speed\n");
- + }
- +
- + if (difflag) {
- + enetc_port_wr(&priv->si->hw, ENETC_PMR,
- + (enetc_port_rd(&priv->si->hw, ENETC_PMR)
- + & (~ENETC_PMR_PSPEED_MASK))
- + | pspeed);
- + }
- +}
- +
- +/* CBD Class 5: Time Gated Scheduling Gate Control List configuration
- + * Descriptor - Long Format
- + */
- +int enetc_qbv_set(struct net_device *ndev, struct tsn_qbv_conf *admin_conf)
- +{
- + struct enetc_cbd *cbdr;
- + struct tgs_gcl_data *gcl_data;
- + struct tgs_gcl_conf *gcl_config;
- + struct gce *gce;
- + u16 gcl_len;
- + u16 data_size;
- + int i;
- + dma_addr_t dma;
- + int curr_cbd;
- + struct tsn_qbv_basic *admin_basic = &admin_conf->admin;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + u32 temp;
- + u64 tempclock;
- + struct tsn_port *port;
- +
- + port = tsn_get_port(ndev);
- + if (!port) {
- + netdev_err(priv->si->ndev, "TSN device not registered!\n");
- + return -ENODEV;
- + }
- +
- + enetc_pspeed_set(ndev);
- +
- + gcl_len = admin_basic->control_list_length;
- + if (gcl_len > enetc_get_max_gcl_len(&priv->si->hw))
- + return -EINVAL;
- +
- + temp = enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET);
- + if (admin_conf->gate_enabled && !(temp & ENETC_QBV_TGE)) {
- + enetc_wr(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET,
- + temp & (~ENETC_QBV_TGE));
- + usleep_range(10, 20);
- + enetc_wr(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET,
- + temp | ENETC_QBV_TGE);
- + } else if (!admin_conf->gate_enabled) {
- + enetc_wr(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET,
- + temp & (~ENETC_QBV_TGE));
- + memcpy(&port->nd.ntdata, admin_conf, sizeof(*admin_conf));
- + call_tsn_notifiers(TSN_QBV_CONFIGCHANGETIME_ARRIVE,
- + ndev, &port->nd);
- + return 0;
- + }
- +
- + /* Set the maximum frame size for each traffic class index
- + * PTCaMSDUR[MAXSDU]. The maximum frame size cannot exceed
- + * 9,600 bytes (0x2580). Frames that exceed the limit are
- + * discarded.
- + */
- + if (admin_conf->maxsdu) {
- + enetc_wr(&priv->si->hw, ENETC_PTC0MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC1MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC2MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC3MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC4MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC5MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC6MSDUR, admin_conf->maxsdu);
- + enetc_wr(&priv->si->hw, ENETC_PTC7MSDUR, admin_conf->maxsdu);
- + }
- +
- + /* Configure the (administrative) gate control list using the
- + * control BD descriptor.
- + */
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + gcl_config = &cbdr->gcl_conf;
- +
- + data_size = struct_size(gcl_data, entry, gcl_len);
- +
- + gcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!gcl_data)
- + return -ENOMEM;
- +
- + gce = &gcl_data->entry[0];
- +
- + gcl_config->atc = admin_basic->gate_states;
- + gcl_config->acl_len = cpu_to_le16(gcl_len);
- +
- + if (!admin_basic->base_time) {
- + gcl_data->btl =
- + cpu_to_le32(enetc_rd(&priv->si->hw, ENETC_SICTR0));
- + gcl_data->bth =
- + cpu_to_le32(enetc_rd(&priv->si->hw, ENETC_SICTR1));
- + } else {
- + gcl_data->btl =
- + cpu_to_le32(lower_32_bits(admin_basic->base_time));
- + gcl_data->bth =
- + cpu_to_le32(upper_32_bits(admin_basic->base_time));
- + }
- +
- + gcl_data->ct = cpu_to_le32(admin_basic->cycle_time);
- + gcl_data->cte = cpu_to_le32(admin_basic->cycle_time_extension);
- +
- + for (i = 0; i < gcl_len; i++) {
- + struct gce *temp_gce = gce + i;
- + struct tsn_qbv_entry *temp_entry;
- +
- + temp_entry = admin_basic->control_list + i;
- +
- + temp_gce->gate = temp_entry->gate_state;
- + temp_gce->period = cpu_to_le32(temp_entry->time_interval);
- + }
- +
- + cbdr->length = cpu_to_le16(data_size);
- + cbdr->status_flags = 0;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, gcl_data,
- + data_size, DMA_TO_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(gcl_data);
- + return -ENOMEM;
- + }
- +
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_PORT_GCL;
- +
- + /* Updated by ENETC on completion of the configuration
- + * command. A zero value indicates success.
- + */
- + cbdr->status_flags = 0;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memcpy(&port->nd.ntdata, admin_conf, sizeof(*admin_conf));
- +
- + tempclock = ((u64)le32_to_cpu(gcl_config->ccth)) << 32;
- + port->nd.ntdata.qbv_notify.admin.base_time =
- + le32_to_cpu(gcl_config->cctl) + tempclock;
- +
- + memset(cbdr, 0, sizeof(struct enetc_cbd));
- + dma_unmap_single(&priv->si->pdev->dev, dma, data_size, DMA_TO_DEVICE);
- + kfree(gcl_data);
- +
- + call_tsn_notifiers(TSN_QBV_CONFIGCHANGETIME_ARRIVE,
- + ndev, &port->nd);
- +
- + return 0;
- +}
- +
- +/* CBD Class 5: Time Gated Scheduling Gate Control List query
- + * Descriptor - Long Format
- + */
- +int enetc_qbv_get(struct net_device *ndev, struct tsn_qbv_conf *admin_conf)
- +{
- + struct enetc_cbd *cbdr;
- + struct tgs_gcl_resp *gcl_data;
- + struct tgs_gcl_query *gcl_query;
- + struct gce *gce;
- + struct tsn_qbv_basic *admin_basic = &admin_conf->admin;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + dma_addr_t dma;
- + int curr_cbd;
- + u16 maxlen;
- + u16 data_size, dma_size;
- + u16 admin_len;
- + u16 oper_len;
- + u64 temp;
- + int i;
- +
- + if (enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET) & ENETC_QBV_TGE) {
- + admin_conf->gate_enabled = true;
- + } else {
- + admin_conf->gate_enabled = false;
- + return 0;
- + }
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + gcl_query = &cbdr->gcl_query;
- +
- + maxlen = enetc_get_max_gcl_len(&priv->si->hw);
- +
- + data_size = sizeof(struct tgs_gcl_resp)
- + + sizeof(struct gce) * 2 * maxlen;
- +
- + gcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!gcl_data)
- + return -ENOMEM;
- +
- + gce = (struct gce *)(gcl_data + 1);
- +
- + gcl_query->acl_len = cpu_to_le16(maxlen);
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- + cbdr->status_flags = 0;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, gcl_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(gcl_data);
- + return -ENOMEM;
- + }
- +
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- + cbdr->cmd = 1;
- + cbdr->cls = BDCR_CMD_PORT_GCL;
- + xmit_cbdr(priv->si, curr_cbd);
- + dma_unmap_single(&priv->si->pdev->dev, dma, data_size, DMA_FROM_DEVICE);
- +
- + /* since cbdr already passed to free, below could be get wrong */
- + admin_len = le16_to_cpu(gcl_query->admin_list_len);
- + oper_len = le16_to_cpu(gcl_query->oper_list_len);
- +
- + admin_basic->control_list_length = admin_len;
- +
- + temp = ((u64)le32_to_cpu(gcl_data->abth)) << 32;
- + admin_basic->base_time = le32_to_cpu(gcl_data->abtl) + temp;
- +
- + admin_basic->cycle_time = le32_to_cpu(gcl_data->act);
- + admin_basic->cycle_time_extension = le32_to_cpu(gcl_data->acte);
- +
- + admin_basic->control_list = kcalloc(admin_len,
- + sizeof(admin_basic->control_list),
- + GFP_KERNEL);
- + if (!admin_basic->control_list) {
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(gcl_data);
- + return -ENOMEM;
- + }
- +
- + for (i = 0; i < admin_len; i++) {
- + struct gce *temp_gce = gce + i;
- + struct tsn_qbv_entry *temp_entry;
- +
- + temp_entry = admin_basic->control_list + i;
- +
- + temp_entry->gate_state = temp_gce->gate;
- + temp_entry->time_interval = le32_to_cpu(temp_gce->period);
- + }
- +
- + /* Updated by ENETC on completion of the configuration
- + * command. A zero value indicates success.
- + */
- + admin_conf->config_change = true;
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(gcl_data);
- +
- + return 0;
- +}
- +
- +int enetc_qbv_get_status(struct net_device *ndev,
- + struct tsn_qbv_status *status)
- +{
- + struct enetc_cbd *cbdr;
- + struct tgs_gcl_resp *gcl_data;
- + struct tgs_gcl_query *gcl_query;
- + struct gce *gce;
- + struct tsn_qbv_basic *oper_basic;
- + struct enetc_ndev_priv *priv;
- + dma_addr_t dma;
- + int curr_cbd;
- + u16 maxlen;
- + u16 data_size, dma_size;
- + u16 admin_len;
- + u16 oper_len;
- + u64 temp;
- + int i;
- +
- + if (!ndev)
- + return -EINVAL;
- +
- + if (!status)
- + return -EINVAL;
- +
- + oper_basic = &status->oper;
- + priv = netdev_priv(ndev);
- +
- + if (!(enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET) & ENETC_QBV_TGE))
- + return -EINVAL;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + gcl_query = &cbdr->gcl_query;
- +
- + maxlen = enetc_get_max_gcl_len(&priv->si->hw);
- +
- + data_size = sizeof(struct tgs_gcl_resp) +
- + sizeof(struct gce) * 2 * maxlen;
- +
- + gcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!gcl_data)
- + return -ENOMEM;
- +
- + gce = (struct gce *)(gcl_data + 1);
- +
- + gcl_query->acl_len = cpu_to_le16(maxlen);
- + gcl_query->ocl_len = cpu_to_le16(maxlen);
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- + cbdr->status_flags = 0; /* long format command no ie */
- +
- + dma = dma_map_single(&priv->si->pdev->dev, gcl_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(gcl_data);
- + return -ENOMEM;
- + }
- +
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- + cbdr->cmd = 1;
- + cbdr->cls = BDCR_CMD_PORT_GCL;
- + xmit_cbdr(priv->si, curr_cbd);
- + dma_unmap_single(&priv->si->pdev->dev, dma, data_size, DMA_FROM_DEVICE);
- +
- + /* since cbdr already passed to free, below could be get wrong */
- + admin_len = le16_to_cpu(gcl_query->admin_list_len);
- + oper_len = le16_to_cpu(gcl_query->oper_list_len);
- +
- + if (enetc_rd(&priv->si->hw, ENETC_QBV_PTGAGLSR_OFFSET) &
- + ENETC_QBV_CFG_PEND_MASK) {
- + status->config_pending = true;
- + goto exit;
- + }
- +
- + /* The Oper and Admin timing fields exist in the response buffer even
- + * if no valid corresponding lists exists. These fields are considered
- + * invalid if the corresponding list does not exist.
- + */
- + status->config_pending = false;
- + temp = ((u64)le32_to_cpu(gcl_data->ccth)) << 32;
- + status->config_change_time = le32_to_cpu(gcl_data->cctl) + temp;
- +
- + temp = ((u64)le32_to_cpu(gcl_data->cceh)) << 32;
- + status->config_change_error = le32_to_cpu(gcl_data->ccel) + temp;
- +
- + /* changed to SITGTGR */
- + status->tick_granularity = enetc_rd(&priv->si->hw, ENETC_SITGTGR);
- +
- + /* current time */
- + status->current_time = get_current_time(priv->si);
- +
- + status->supported_list_max = maxlen;
- +
- + /* status->oper.gate_states , no init oper/admin gate state */
- + status->oper.control_list_length = oper_len;
- + temp = ((u64)le32_to_cpu(gcl_data->obth)) << 32;
- + status->oper.base_time = le32_to_cpu(gcl_data->obtl) + temp;
- + status->oper.cycle_time = le32_to_cpu(gcl_data->oct);
- + status->oper.cycle_time_extension = le32_to_cpu(gcl_data->octe);
- +
- + oper_basic->control_list =
- + kcalloc(oper_len, sizeof(oper_basic->control_list), GFP_KERNEL);
- + if (!oper_basic->control_list) {
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(gcl_data);
- + return -ENOMEM;
- + }
- +
- + for (i = 0; i < oper_len; i++) {
- + struct gce *temp_gce = gce + maxlen + i;
- + struct tsn_qbv_entry *temp_entry = oper_basic->control_list + i;
- +
- + temp_entry->gate_state = temp_gce->gate;
- + temp_entry->time_interval = le32_to_cpu(temp_gce->period);
- + }
- +
- +exit:
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(gcl_data);
- + return 0;
- +}
- +
- +/* CBD Class 7: Stream Identity Entry Set Descriptor - Long Format */
- +int enetc_cb_streamid_set(struct net_device *ndev, u32 index,
- + bool en, struct tsn_cb_streamid *streamid)
- +{
- + struct enetc_cbd *cbdr;
- + void *si_data;
- + struct null_streamid_data *si_data1;
- + struct smac_streamid_data *si_data2;
- + struct streamid_conf *si_conf;
- + struct enetc_ndev_priv *priv;
- + dma_addr_t dma;
- + u16 data_size, dma_size;
- + int curr_cbd;
- +
- + if (!ndev)
- + return -EINVAL;
- +
- + priv = netdev_priv(ndev);
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16((u16)index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_STREAM_IDENTIFY;
- + cbdr->status_flags = 0;
- +
- + data_size = sizeof(struct null_streamid_data);
- + si_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + cbdr->length = cpu_to_le16(data_size);
- +
- + dma = dma_map_single(&priv->si->pdev->dev, si_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(si_data);
- + return -ENOMEM;
- + }
- +
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- + si_data1 = (struct null_streamid_data *)si_data;
- + si_data1->dmac[0] = 0xFF;
- + si_data1->dmac[1] = 0xFF;
- + si_data1->dmac[2] = 0xFF;
- + si_data1->dmac[3] = 0xFF;
- + si_data1->dmac[4] = 0xFF;
- + si_data1->dmac[5] = 0xFF;
- + si_data1->vid_vidm_tg =
- + cpu_to_le16(ENETC_CBDR_SID_VID_MASK
- + + ((0x3 << 14) | ENETC_CBDR_SID_VIDM));
- +
- + si_conf = &cbdr->sid_set;
- + /* Only one port supported for one entry, set itself */
- + si_conf->iports = 1 << (priv->si->pdev->devfn & 0x7);
- + si_conf->id_type = 1;
- + si_conf->oui[2] = 0x0;
- + si_conf->oui[1] = 0x80;
- + si_conf->oui[0] = 0xC2;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(si_data);
- +
- + if (!en)
- + return 0;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16((u16)index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_STREAM_IDENTIFY;
- + cbdr->status_flags = 0;
- +
- + si_conf = &cbdr->sid_set;
- + si_conf->en = 0x80;
- + si_conf->stream_handle = cpu_to_le32(streamid->handle);
- + si_conf->iports = 1 << (priv->si->pdev->devfn & 0x7);
- + si_conf->id_type = streamid->type;
- + si_conf->oui[2] = 0x0;
- + si_conf->oui[1] = 0x80;
- + si_conf->oui[0] = 0xC2;
- +
- + if (si_conf->id_type == 1) {
- + data_size = sizeof(struct null_streamid_data);
- + si_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + } else if (si_conf->id_type == 2) {
- + data_size = sizeof(struct smac_streamid_data);
- + si_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + } else {
- + return -EINVAL;
- + }
- +
- + if (!si_data)
- + return -ENOMEM;
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- + cbdr->status_flags = 0;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, si_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(si_data);
- + return -ENOMEM;
- + }
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- +
- + /* VIDM default to be 1.
- + * VID Match. If set (b1) then the VID must match, otherwise
- + * any VID is considered a match. VIDM setting is only used
- + * when TG is set to b01.
- + */
- + if (si_conf->id_type == 1) {
- + si_data1 = (struct null_streamid_data *)si_data;
- + si_data1->dmac[0] = streamid->para.nid.dmac & 0xFF;
- + si_data1->dmac[1] = (streamid->para.nid.dmac >> 8) & 0xFF;
- + si_data1->dmac[2] = (streamid->para.nid.dmac >> 16) & 0xFF;
- + si_data1->dmac[3] = (streamid->para.nid.dmac >> 24) & 0xFF;
- + si_data1->dmac[4] = (streamid->para.nid.dmac >> 32) & 0xFF;
- + si_data1->dmac[5] = (streamid->para.nid.dmac >> 40) & 0xFF;
- + si_data1->vid_vidm_tg =
- + cpu_to_le16((streamid->para.nid.vid & ENETC_CBDR_SID_VID_MASK) +
- + ((((u16)(streamid->para.nid.tagged) & 0x3) << 14)
- + | ENETC_CBDR_SID_VIDM));
- + } else if (si_conf->id_type == 2) {
- + si_data2 = (struct smac_streamid_data *)si_data;
- + si_data2->smac[0] = streamid->para.sid.smac & 0xFF;
- + si_data2->smac[1] = (streamid->para.sid.smac >> 8) & 0xFF;
- + si_data2->smac[2] = (streamid->para.sid.smac >> 16) & 0xFF;
- + si_data2->smac[3] = (streamid->para.sid.smac >> 24) & 0xFF;
- + si_data2->smac[4] = (streamid->para.sid.smac >> 32) & 0xFF;
- + si_data2->smac[5] = (streamid->para.sid.smac >> 40) & 0xFF;
- + si_data2->vid_vidm_tg =
- + cpu_to_le16((streamid->para.sid.vid & ENETC_CBDR_SID_VID_MASK) +
- + ((((u16)(streamid->para.sid.tagged) & 0x3) << 14)
- + | ENETC_CBDR_SID_VIDM));
- + }
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(si_data);
- +
- + return 0;
- +}
- +
- +/* CBD Class 7: Stream Identity Entry Query Descriptor - Long Format */
- +int enetc_cb_streamid_get(struct net_device *ndev, u32 index,
- + struct tsn_cb_streamid *streamid)
- +{
- + struct enetc_cbd *cbdr;
- + struct streamid_query_resp *si_data;
- + struct enetc_ndev_priv *priv;
- + dma_addr_t dma;
- + u16 data_size, dma_size;
- + int curr_cbd;
- + int valid;
- +
- + if (!ndev)
- + return -EINVAL;
- +
- + priv = netdev_priv(ndev);
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le32(index);
- + cbdr->cmd = 1;
- + cbdr->cls = BDCR_CMD_STREAM_IDENTIFY;
- + cbdr->status_flags = 0;
- +
- + data_size = sizeof(struct streamid_query_resp);
- + si_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!si_data)
- + return -ENOMEM;
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- + cbdr->status_flags = 0; /* long format command no ie */
- +
- + dma = dma_map_single(&priv->si->pdev->dev, si_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(si_data);
- + return -ENOMEM;
- + }
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + streamid->type = si_data->id_type;
- +
- + if (streamid->type == 1) {
- + streamid->para.nid.dmac = si_data->mac[0]
- + + ((u64)si_data->mac[1] << 8)
- + + ((u64)si_data->mac[2] << 16)
- + + ((u64)si_data->mac[3] << 24)
- + + ((u64)si_data->mac[4] << 32)
- + + ((u64)si_data->mac[5] << 40);
- + /* VID Match. If set (b1) then the VID must match, otherwise
- + * any VID is considered a match.
- + */
- + streamid->para.nid.vid =
- + le16_to_cpu(si_data->vid_vidm_tg
- + & ENETC_CBDR_SID_VID_MASK);
- + streamid->para.nid.tagged =
- + le16_to_cpu(si_data->vid_vidm_tg >> 14 & 0x3);
- + } else if (streamid->type == 2) {
- + streamid->para.sid.smac = si_data->mac[0]
- + + ((u64)si_data->mac[1] << 8)
- + + ((u64)si_data->mac[2] << 16)
- + + ((u64)si_data->mac[3] << 24)
- + + ((u64)si_data->mac[4] << 32)
- + + ((u64)si_data->mac[5] << 40);
- + /* VID Match. If set (b1) then the VID must match, otherwise
- + * any VID is considered a match.
- + */
- + streamid->para.sid.vid =
- + le16_to_cpu(si_data->vid_vidm_tg
- + & ENETC_CBDR_SID_VID_MASK);
- + streamid->para.sid.tagged =
- + le16_to_cpu(si_data->vid_vidm_tg >> 14 & 0x3);
- + }
- +
- + streamid->handle = le32_to_cpu(si_data->stream_handle);
- + streamid->ifac_iport = le32_to_cpu(si_data->input_ports);
- + valid = si_data->en ? 1 : 0;
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + kfree(si_data);
- +
- + return valid;
- +}
- +
- +/* CBD Class 7: Stream Identity Statistics Query Descriptor - Long Format */
- +int enetc_cb_streamid_counters_get(struct net_device *ndev, u32 index,
- + struct tsn_cb_streamid_counters *counters)
- +{
- + return 0;
- +}
- +
- +void enetc_qci_enable(struct enetc_hw *hw)
- +{
- + enetc_wr(hw, ENETC_PPSFPMR, enetc_rd(hw, ENETC_PPSFPMR)
- + | ENETC_PPSFPMR_PSFPEN | ENETC_PPSFPMR_VS
- + | ENETC_PPSFPMR_PVC | ENETC_PPSFPMR_PVZC);
- +}
- +
- +void enetc_qci_disable(struct enetc_hw *hw)
- +{
- + enetc_wr(hw, ENETC_PPSFPMR, enetc_rd(hw, ENETC_PPSFPMR)
- + & ~ENETC_PPSFPMR_PSFPEN & ~ENETC_PPSFPMR_VS
- + & ~ENETC_PPSFPMR_PVC & ~ENETC_PPSFPMR_PVZC);
- +}
- +
- +/* CBD Class 8: Stream Filter Instance Set Descriptor - Short Format */
- +int enetc_qci_sfi_set(struct net_device *ndev, u32 index, bool en,
- + struct tsn_qci_psfp_sfi_conf *tsn_qci_sfi)
- +{
- + struct enetc_cbd *cbdr;
- + struct sfi_conf *sfi_config;
- +
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + int curr_cbd;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_STREAM_FILTER;
- + cbdr->status_flags = 0x80;
- + cbdr->length = cpu_to_le16(1);
- +
- + sfi_config = &cbdr->sfi_conf;
- + if (en)
- + sfi_config->en = 0x80;
- +
- + if (tsn_qci_sfi->stream_handle_spec >= 0) {
- + sfi_config->stream_handle =
- + cpu_to_le32(tsn_qci_sfi->stream_handle_spec);
- + sfi_config->sthm |= 0x80;
- + }
- +
- + sfi_config->sg_inst_table_index =
- + cpu_to_le16(tsn_qci_sfi->stream_gate_instance_id);
- + sfi_config->input_ports = 1 << (priv->si->pdev->devfn & 0x7);
- +
- + /* The priority value which may be matched against the
- + * frame’s priority value to determine a match for this entry.
- + */
- + if (tsn_qci_sfi->priority_spec >= 0)
- + sfi_config->multi |= (tsn_qci_sfi->priority_spec & 0x7) | 0x8;
- +
- + /* Filter Type. Identifies the contents of the MSDU/FM_INST_INDEX
- + * field as being either an MSDU value or an index into the Flow
- + * Meter Instance table.
- + */
- + if (tsn_qci_sfi->stream_filter.maximum_sdu_size != 0) {
- + sfi_config->msdu =
- + cpu_to_le16(tsn_qci_sfi->stream_filter.maximum_sdu_size);
- + sfi_config->multi |= 0x40;
- + }
- +
- + if (tsn_qci_sfi->stream_filter.flow_meter_instance_id >= 0) {
- + sfi_config->fm_inst_table_index =
- + cpu_to_le16(tsn_qci_sfi->stream_filter.flow_meter_instance_id);
- + sfi_config->multi |= 0x80;
- + }
- +
- + /* Stream blocked due to oversized frame enable. TRUE or FALSE */
- + if (tsn_qci_sfi->block_oversize_enable)
- + sfi_config->multi |= 0x20;
- +
- + /* Stream blocked due to oversized frame. TRUE or FALSE */
- + if (tsn_qci_sfi->block_oversize)
- + sfi_config->multi |= 0x10;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- +}
- +
- +/* CBD Class 8: Stream Filter Instance Query Descriptor - Short Format */
- +int enetc_qci_sfi_get(struct net_device *ndev, u32 index,
- + struct tsn_qci_psfp_sfi_conf *tsn_qci_sfi)
- +{
- + struct enetc_cbd *cbdr;
- + struct sfi_conf *sfi_config;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + int curr_cbd;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 1;
- + cbdr->cls = BDCR_CMD_STREAM_FILTER;
- + cbdr->status_flags = 0x80;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + sfi_config = &cbdr->sfi_conf;
- + if (sfi_config->sthm & 0x80)
- + tsn_qci_sfi->stream_handle_spec =
- + le32_to_cpu(sfi_config->stream_handle);
- + else
- + tsn_qci_sfi->stream_handle_spec = -1;
- +
- + tsn_qci_sfi->stream_gate_instance_id =
- + le16_to_cpu(sfi_config->sg_inst_table_index);
- +
- + if (sfi_config->multi & 0x8)
- + tsn_qci_sfi->priority_spec =
- + le16_to_cpu(sfi_config->multi & 0x7);
- + else
- + tsn_qci_sfi->priority_spec = -1;
- +
- + /* Filter Type. Identifies the contents of the MSDU/FM_INST_INDEX
- + * field as being either an MSDU value or an index into the Flow
- + * Meter Instance table.
- + */
- + if (sfi_config->multi & 0x80)
- + tsn_qci_sfi->stream_filter.flow_meter_instance_id =
- + le16_to_cpu(sfi_config->fm_inst_table_index);
- + else
- + tsn_qci_sfi->stream_filter.flow_meter_instance_id = -1;
- +
- + if (sfi_config->multi & 0x40)
- + tsn_qci_sfi->stream_filter.maximum_sdu_size =
- + le16_to_cpu(sfi_config->msdu);
- +
- + /* Stream blocked due to oversized frame enable. TRUE or FALSE */
- + if (sfi_config->multi & 0x20)
- + tsn_qci_sfi->block_oversize_enable = true;
- + /* Stream blocked due to oversized frame. TRUE or FALSE */
- + if (sfi_config->multi & 0x10)
- + tsn_qci_sfi->block_oversize = true;
- +
- + if (sfi_config->en & 0x80) {
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 1;
- + }
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- +}
- +
- +/* CBD Class 8: Stream Filter Instance Query Statistics
- + * Descriptor - Long Format
- + */
- +int enetc_qci_sfi_counters_get(struct net_device *ndev, u32 index,
- + struct tsn_qci_psfp_sfi_counters *counters)
- +{
- + struct enetc_cbd *cbdr;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + int curr_cbd;
- + struct sfi_counter_data *sfi_counter_data;
- + dma_addr_t dma;
- + u16 data_size, dma_size;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16((u16)index);
- + cbdr->cmd = 2;
- + cbdr->cls = BDCR_CMD_STREAM_FILTER;
- + cbdr->status_flags = 0;
- +
- + data_size = sizeof(struct sfi_counter_data);
- + sfi_counter_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!sfi_counter_data)
- + return -ENOMEM;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, sfi_counter_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(sfi_counter_data);
- + return -ENOMEM;
- + }
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + counters->matching_frames_count =
- + ((u64)le32_to_cpu(sfi_counter_data->matchh) << 32)
- + + sfi_counter_data->matchl;
- +
- + counters->not_passing_sdu_count =
- + ((u64)le32_to_cpu(sfi_counter_data->msdu_droph) << 32)
- + + sfi_counter_data->msdu_dropl;
- +
- + counters->passing_sdu_count = counters->matching_frames_count
- + - counters->not_passing_sdu_count;
- +
- + counters->not_passing_frames_count =
- + ((u64)le32_to_cpu(sfi_counter_data->stream_gate_droph) << 32)
- + + le32_to_cpu(sfi_counter_data->stream_gate_dropl);
- +
- + counters->passing_frames_count = counters->matching_frames_count
- + - counters->not_passing_sdu_count
- + - counters->not_passing_frames_count;
- +
- + counters->red_frames_count =
- + ((u64)le32_to_cpu(sfi_counter_data->flow_meter_droph) << 32)
- + + le32_to_cpu(sfi_counter_data->flow_meter_dropl);
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- +}
- +
- +/* CBD Class 9: Stream Gate Instance Table Entry Set
- + * Descriptor - Short Format
- + */
- +int enetc_qci_sgi_set(struct net_device *ndev, u32 index,
- + struct tsn_qci_psfp_sgi_conf *tsn_qci_sgi)
- +{
- + struct enetc_cbd *cbdr, *cbdr_sgcl;
- + struct sgi_table *sgi_config;
- + struct sgcl_conf *sgcl_config;
- + struct sgcl_data *sgcl_data;
- + struct sgce *sgce;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + dma_addr_t dma;
- + u16 data_size, dma_size;
- + int curr_cbd, i;
- +
- + /* disable first */
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- + memset(cbdr, 0, sizeof(*cbdr));
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_STREAM_GCL;
- + cbdr->status_flags = 0x80;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + if (!tsn_qci_sgi->gate_enabled) {
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- + }
- +
- + /* Re-enable */
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- + memset(cbdr, 0, sizeof(*cbdr));
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_STREAM_GCL;
- + cbdr->status_flags = 0x80;
- +
- + sgi_config = &cbdr->sgi_table;
- +
- + sgi_config->ocgtst = tsn_qci_sgi->admin.control_list_length ?
- + 0x80 : (tsn_qci_sgi->admin.gate_states ? 0x80 : 0x0);
- +
- + sgi_config->oipv =
- + tsn_qci_sgi->admin.control_list_length ?
- + 0x0 : ((tsn_qci_sgi->admin.init_ipv < 0) ?
- + 0x0 : ((tsn_qci_sgi->admin.init_ipv & 0x7) | 0x8));
- +
- + sgi_config->en = 0x80;
- +
- + if (tsn_qci_sgi->block_invalid_rx_enable)
- + sgi_config->gset |= 0x80;
- + if (tsn_qci_sgi->block_invalid_rx)
- + sgi_config->gset |= 0x40;
- + if (tsn_qci_sgi->block_octets_exceeded)
- + sgi_config->gset |= 0x10;
- + if (tsn_qci_sgi->block_octets_exceeded_enable)
- + sgi_config->gset |= 0x20;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + if (tsn_qci_sgi->admin.control_list_length == 0)
- + goto exit;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr_sgcl);
- + memset(cbdr, 0, sizeof(*cbdr));
- +
- + cbdr_sgcl->index = cpu_to_le16(index);
- + cbdr_sgcl->cmd = 1;
- + cbdr_sgcl->cls = BDCR_CMD_STREAM_GCL;
- + cbdr_sgcl->status_flags = 0;
- +
- + sgcl_config = &cbdr_sgcl->sgcl_conf;
- +
- + /* tsn_qci_sgi->admin.control_list_length is not zero now */
- + if (tsn_qci_sgi->admin.control_list_length > 4)
- + return -EINVAL;
- +
- + sgcl_config->acl_len =
- + (tsn_qci_sgi->admin.control_list_length - 1) & 0x3;
- +
- + data_size = sizeof(struct sgcl_data) +
- + (sgcl_config->acl_len + 1) * sizeof(struct sgce);
- +
- + sgcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!sgcl_data)
- + return -ENOMEM;
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr_sgcl->length = dma_size;
- +
- + dma = dma_map_single(&priv->si->pdev->dev,
- + sgcl_data, data_size,
- + DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + memset(cbdr, 0, sizeof(*cbdr));
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- + return -ENOMEM;
- + }
- + cbdr_sgcl->addr[0] = lower_32_bits(dma);
- + cbdr_sgcl->addr[1] = upper_32_bits(dma);
- +
- + sgce = (struct sgce *)(sgcl_data + 1);
- +
- + if (tsn_qci_sgi->admin.gate_states)
- + sgcl_config->agtst = 0x80;
- +
- + sgcl_data->ct = cpu_to_le32(tsn_qci_sgi->admin.cycle_time);
- + sgcl_data->cte = cpu_to_le32(tsn_qci_sgi->admin.cycle_time_extension);
- +
- + if (tsn_qci_sgi->admin.init_ipv >= 0)
- + sgcl_config->aipv = (tsn_qci_sgi->admin.init_ipv & 0x7) | 0x8;
- +
- + for (i = 0; i < tsn_qci_sgi->admin.control_list_length; i++) {
- + struct tsn_qci_psfp_gcl *temp_sgcl = tsn_qci_sgi->admin.gcl + i;
- + struct sgce *temp_entry = (struct sgce *)(sgce + i);
- +
- + if (temp_sgcl->gate_state)
- + temp_entry->multi |= 0x10;
- +
- + if (temp_sgcl->ipv >= 0)
- + temp_entry->multi |= ((temp_sgcl->ipv & 0x7) << 5)
- + | 0x08;
- +
- + if (temp_sgcl->octet_max)
- + temp_entry->multi |= 0x01;
- +
- + temp_entry->interval = cpu_to_le32(temp_sgcl->time_interval);
- + temp_entry->msdu[0] = temp_sgcl->octet_max & 0xFF;
- + temp_entry->msdu[1] = (temp_sgcl->octet_max >> 8) & 0xFF;
- + temp_entry->msdu[2] = (temp_sgcl->octet_max >> 16) & 0xFF;
- + }
- +
- + if (!tsn_qci_sgi->admin.base_time) {
- + sgcl_data->btl =
- + cpu_to_le32(enetc_rd(&priv->si->hw, ENETC_SICTR0));
- + sgcl_data->bth =
- + cpu_to_le32(enetc_rd(&priv->si->hw, ENETC_SICTR1));
- + } else {
- + u32 tempu, templ;
- +
- + tempu = upper_32_bits(tsn_qci_sgi->admin.base_time);
- + templ = lower_32_bits(tsn_qci_sgi->admin.base_time);
- + sgcl_data->bth = cpu_to_le32(tempu);
- + sgcl_data->btl = cpu_to_le32(templ);
- + }
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- +
- +exit:
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- +}
- +
- +/* CBD Class 9: Stream Gate Instance Table Entry Query
- + * Descriptor - Short Format
- + */
- +int enetc_qci_sgi_get(struct net_device *ndev, u32 index,
- + struct tsn_qci_psfp_sgi_conf *tsn_qci_sgi)
- +{
- + struct enetc_cbd *cbdr, *cbdr_sgcl;
- + struct sgi_table *sgi_config;
- + struct sgcl_query *sgcl_query;
- + struct sgcl_query_resp *sgcl_data;
- + struct sgce *sgce;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + dma_addr_t dma;
- + u16 data_size, dma_size, gcl_data_stat = 0;
- + u8 admin_len = 0;
- + int curr_cbd, i;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 2;
- + cbdr->cls = BDCR_CMD_STREAM_GCL;
- + cbdr->status_flags = 0x80;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + sgi_config = &cbdr->sgi_table;
- +
- + tsn_qci_sgi->admin.gate_states = (sgi_config->ocgtst & 0x80) ?
- + true : false;
- + if (sgi_config->oipv & 0x08)
- + tsn_qci_sgi->admin.init_ipv = sgi_config->oipv & 0x7;
- + else
- + tsn_qci_sgi->admin.init_ipv = -1;
- +
- + if (sgi_config->en & 0x80)
- + tsn_qci_sgi->gate_enabled = true;
- + if (sgi_config->gset & 0x80)
- + tsn_qci_sgi->block_invalid_rx_enable = true;
- + if (sgi_config->gset & 0x40)
- + tsn_qci_sgi->block_invalid_rx = true;
- + if (sgi_config->gset & 0x20)
- + tsn_qci_sgi->block_octets_exceeded_enable = true;
- + if (sgi_config->gset & 0x10)
- + tsn_qci_sgi->block_octets_exceeded = true;
- +
- + /* Check gate list length is zero? */
- + if (!(sgi_config->oacl_len & 0x30)) {
- + tsn_qci_sgi->admin.control_list_length = 0;
- + goto exit;
- + }
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr_sgcl);
- +
- + cbdr_sgcl->index = cpu_to_le16(index);
- + cbdr_sgcl->cmd = 3;
- + cbdr_sgcl->cls = BDCR_CMD_STREAM_GCL;
- + cbdr_sgcl->status_flags = 0;
- +
- + data_size = sizeof(struct sgcl_query_resp) + 4 * sizeof(struct sgce);
- +
- + sgcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!sgcl_data)
- + return -ENOMEM;
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr_sgcl->length = dma_size;
- + cbdr_sgcl->status_flags = 0;
- +
- + sgcl_query = &cbdr_sgcl->sgcl_query;
- +
- + sgcl_query->oacl_len = 0x10;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, sgcl_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + memset(cbdr, 0, sizeof(*cbdr));
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- + return -ENOMEM;
- + }
- + cbdr_sgcl->addr[0] = lower_32_bits(dma);
- + cbdr_sgcl->addr[1] = upper_32_bits(dma);
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + sgce = (struct sgce *)(sgcl_data + 1);
- +
- + gcl_data_stat = le16_to_cpu(sgcl_data->stat);
- + if (gcl_data_stat & 0x10)
- + tsn_qci_sgi->admin.gate_states = true;
- +
- + if (gcl_data_stat & 0x80)
- + tsn_qci_sgi->admin.init_ipv = gcl_data_stat & 0x7;
- + else
- + tsn_qci_sgi->admin.init_ipv = -1;
- +
- + /* admin_len can also get from gcl_data_stat bit 5,6
- + * OR sgi_config->oacl_len
- + */
- + admin_len = (sgcl_query->oacl_len & 0x3) + 1;
- + tsn_qci_sgi->admin.control_list_length = admin_len;
- + tsn_qci_sgi->admin.cycle_time = le32_to_cpu(sgcl_data->act);
- + tsn_qci_sgi->admin.cycle_time_extension = le32_to_cpu(sgcl_data->acte);
- + tsn_qci_sgi->admin.base_time = ((u64)(le32_to_cpu(sgcl_data->abth))
- + << 32)
- + + le32_to_cpu(sgcl_data->abtl);
- +
- + tsn_qci_sgi->admin.gcl = kcalloc(admin_len,
- + sizeof(struct tsn_qci_psfp_gcl),
- + GFP_KERNEL);
- + if (!tsn_qci_sgi->admin.gcl) {
- + kfree(sgcl_data);
- + return -ENOMEM;
- + }
- +
- + for (i = 0; i < admin_len; i++) {
- + struct tsn_qci_psfp_gcl *temp_sgcl = tsn_qci_sgi->admin.gcl + i;
- + struct sgce *temp_entry = (struct sgce *)(sgce + i);
- +
- + if (temp_entry->multi & 0x10)
- + temp_sgcl->gate_state = true;
- +
- + if (temp_entry->multi & 0x08)
- + temp_sgcl->ipv = temp_entry->multi >> 5;
- + else
- + temp_sgcl->ipv = -1;
- +
- + temp_sgcl->time_interval = le32_to_cpu(temp_entry->interval);
- +
- + if (temp_entry->multi & 0x01)
- + temp_sgcl->octet_max = (temp_entry->msdu[0] & 0xff)
- + | (((u32)temp_entry->msdu[1] << 8) & 0xff00)
- + | (((u32)temp_entry->msdu[1] << 16) & 0xff0000);
- + else
- + temp_sgcl->octet_max = 0;
- + }
- +
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- +
- +exit:
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- +}
- +
- +/* CBD Class 9: Stream Gate Instance Table Entry Query Descriptor
- + * CBD Class 9: Stream Gate Control List Query Descriptor
- + */
- +int enetc_qci_sgi_status_get(struct net_device *ndev, u16 index,
- + struct tsn_psfp_sgi_status *status)
- +{
- + struct enetc_cbd *cbdr_sgi, *cbdr_sgcl;
- + struct sgi_table *sgi_config;
- + struct sgcl_query *sgcl_query;
- + struct sgcl_query_resp *sgcl_data;
- + struct sgce *sgce;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + dma_addr_t dma;
- + u16 data_size, dma_size, gcl_data_stat = 0;
- + u8 oper_len = 0;
- + int curr_cbd, i;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr_sgi);
- +
- + cbdr_sgi->index = cpu_to_le16(index);
- + cbdr_sgi->cmd = 2;
- + cbdr_sgi->cls = BDCR_CMD_STREAM_GCL;
- + cbdr_sgi->status_flags = 0x80;
- +
- + sgi_config = &cbdr_sgi->sgi_table;
- +
- + if (sgi_config->gset & 0x4)
- + status->config_pending = true;
- +
- + status->oper.gate_states = ((sgi_config->ocgtst & 0x80) ? true : false);
- +
- + /* Check gate list length is zero */
- + if (!(sgi_config->oacl_len & 0x30)) {
- + status->oper.control_list_length = 0;
- + goto cmd2quit;
- + }
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr_sgcl);
- +
- + cbdr_sgcl->index = cpu_to_le16(index);
- + cbdr_sgcl->cmd = 3;
- + cbdr_sgcl->cls = BDCR_CMD_STREAM_GCL;
- + cbdr_sgcl->status_flags = 0;
- +
- + /* Max size */
- + data_size = sizeof(struct sgcl_query_resp) + 4 * sizeof(struct sgce);
- +
- + sgcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!sgcl_data)
- + return -ENOMEM;
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr_sgcl->length = dma_size;
- + cbdr_sgcl->status_flags = 0;
- +
- + sgcl_query = &cbdr_sgcl->sgcl_query;
- +
- + sgcl_query->oacl_len = 0x20;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, sgcl_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + memset(cbdr_sgi, 0, sizeof(*cbdr_sgi));
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- + return -ENOMEM;
- + }
- + cbdr_sgcl->addr[0] = lower_32_bits(dma);
- + cbdr_sgcl->addr[1] = upper_32_bits(dma);
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + sgce = (struct sgce *)(sgcl_data + 1);
- +
- + /* oper_len can also get from gcl_data_stat bit 5,6
- + * OR sgi_config->oacl_len
- + */
- + oper_len = ((sgcl_query->oacl_len & 0x0c) >> 2) + 1;
- +
- + /* Get Stream Gate Control List */
- + status->oper.cycle_time = le32_to_cpu(sgcl_data->oct);
- + status->oper.cycle_time_extension = le32_to_cpu(sgcl_data->octe);
- + status->oper.base_time = le32_to_cpu(sgcl_data->obtl)
- + + ((u64)le32_to_cpu(sgcl_data->obth) << 32);
- + status->oper.control_list_length = oper_len;
- +
- + gcl_data_stat = le16_to_cpu(sgcl_data->stat);
- + if (gcl_data_stat & 0x400)
- + status->oper.init_ipv = gcl_data_stat & 0x38 >> 7;
- + else
- + status->oper.init_ipv = -1;
- +
- + if (gcl_data_stat & 0x800)
- + status->oper.gate_states = true;
- +
- + status->oper.gcl = kcalloc(oper_len,
- + sizeof(struct tsn_qci_psfp_gcl),
- + GFP_KERNEL);
- + if (!status->oper.gcl) {
- + memset(cbdr_sgi, 0, sizeof(*cbdr_sgi));
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- + return -ENOMEM;
- + }
- +
- + for (i = 0; i < oper_len; i++) {
- + struct tsn_qci_psfp_gcl *temp_sgcl = status->oper.gcl + i;
- + struct sgce *temp_entry = (struct sgce *)(sgce + i);
- +
- + if (temp_entry->multi & 0x10)
- + temp_sgcl->gate_state = true;
- +
- + if (temp_entry->multi & 0x08)
- + temp_sgcl->ipv = temp_entry->multi >> 5;
- + else
- + temp_sgcl->ipv = -1;
- +
- + temp_sgcl->time_interval = le32_to_cpu(temp_entry->interval);
- +
- + if (temp_entry->multi & 0x01)
- + temp_sgcl->octet_max = temp_entry->msdu[0]
- + | ((((u32)temp_entry->msdu[1]) << 8)
- + & 0xff00)
- + | ((((u32)temp_entry->msdu[2]) << 16)
- + & 0xff0000);
- + else
- + temp_sgcl->octet_max = 0;
- + }
- +
- + status->config_change_time = le32_to_cpu(sgcl_data->cctl)
- + + ((u64)le32_to_cpu(sgcl_data->ccth) << 32);
- +
- + memset(cbdr_sgcl, 0, sizeof(*cbdr_sgcl));
- + kfree(sgcl_data);
- +
- +cmd2quit:
- + /* changed to SITGTGR */
- + status->tick_granularity = enetc_rd(&priv->si->hw, ENETC_SITGTGR);
- +
- + /* current time */
- + status->current_time = get_current_time(priv->si);
- +
- + memset(cbdr_sgi, 0, sizeof(*cbdr_sgi));
- +
- + return 0;
- +}
- +
- +/* CBD Class 10: Flow Meter Instance Set Descriptor - Short Format */
- +int enetc_qci_fmi_set(struct net_device *ndev, u32 index, bool enable,
- + struct tsn_qci_psfp_fmi *tsn_qci_fmi)
- +{
- + struct enetc_cbd *cbdr;
- + struct fmi_conf *fmi_config;
- +
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + int curr_cbd;
- + u64 temp = 0;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16((u16)index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_FLOW_METER;
- + cbdr->status_flags = 0x80;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + if (!enable) {
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- + }
- +
- + /* Re-enable */
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- + memset(cbdr, 0, sizeof(*cbdr));
- + cbdr->index = cpu_to_le16((u16)index);
- + cbdr->cmd = 0;
- + cbdr->cls = BDCR_CMD_FLOW_METER;
- + cbdr->status_flags = 0x80;
- +
- + fmi_config = &cbdr->fmi_conf;
- + fmi_config->en = 0x80;
- + if (tsn_qci_fmi->cir) {
- + temp = (u64)1000 * tsn_qci_fmi->cir;
- + temp = temp / 3725;
- + }
- + fmi_config->cir = cpu_to_le32((u32)temp);
- + fmi_config->cbs = cpu_to_le32(tsn_qci_fmi->cbs);
- + temp = 0;
- + if (tsn_qci_fmi->eir) {
- + temp = (u64)1000 * tsn_qci_fmi->eir;
- + temp = temp / 3725;
- + }
- + fmi_config->eir = cpu_to_le32((u32)temp);
- + fmi_config->ebs = cpu_to_le32(tsn_qci_fmi->ebs);
- +
- + if (tsn_qci_fmi->mark_red)
- + fmi_config->conf |= 0x1;
- +
- + if (tsn_qci_fmi->mark_red_enable)
- + fmi_config->conf |= 0x2;
- +
- + if (tsn_qci_fmi->drop_on_yellow)
- + fmi_config->conf |= 0x4;
- +
- + if (tsn_qci_fmi->cm)
- + fmi_config->conf |= 0x8;
- +
- + if (tsn_qci_fmi->cf)
- + fmi_config->conf |= 0x10;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- + return 0;
- +}
- +
- +/* CBD Class 10: Flow Meter Instance Query Descriptor - Short Format */
- +int enetc_qci_fmi_get(struct net_device *ndev, u32 index,
- + struct tsn_qci_psfp_fmi *tsn_qci_fmi,
- + struct tsn_qci_psfp_fmi_counters *counters)
- +{
- + struct enetc_cbd *cbdr;
- + struct fmi_conf *fmi_config;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + int curr_cbd;
- + u16 data_size, dma_size;
- + dma_addr_t dma;
- + struct fmi_query_stat_resp *fmi_counter_data;
- + u64 temp = 0;
- +
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 1;
- + cbdr->cls = BDCR_CMD_FLOW_METER;
- + cbdr->status_flags = 0x80;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + fmi_config = &cbdr->fmi_conf;
- + if (fmi_config->cir) {
- + temp = (u64)3725 * fmi_config->cir;
- + temp = temp / 1000;
- + }
- + tsn_qci_fmi->cir = le32_to_cpu((u32)temp);
- + tsn_qci_fmi->cbs = le32_to_cpu(fmi_config->cbs);
- + temp = 0;
- + if (fmi_config->eir) {
- + temp = (u64)3725 * fmi_config->eir;
- + temp = temp / 1000;
- + }
- + tsn_qci_fmi->eir = le32_to_cpu((u32)temp);
- + tsn_qci_fmi->ebs = le32_to_cpu(fmi_config->ebs);
- +
- + if (fmi_config->conf & 0x1)
- + tsn_qci_fmi->mark_red = true;
- +
- + if (fmi_config->conf & 0x2)
- + tsn_qci_fmi->mark_red_enable = true;
- +
- + if (fmi_config->conf & 0x4)
- + tsn_qci_fmi->drop_on_yellow = true;
- +
- + if (fmi_config->conf & 0x8)
- + tsn_qci_fmi->cm = true;
- +
- + if (fmi_config->conf & 0x10)
- + tsn_qci_fmi->cf = true;
- +
- + memset(cbdr, 0, sizeof(*cbdr));
- +
- + /* Get counters */
- + curr_cbd = alloc_cbdr(priv->si, &cbdr);
- +
- + cbdr->index = cpu_to_le16(index);
- + cbdr->cmd = 2;
- + cbdr->cls = BDCR_CMD_FLOW_METER;
- + cbdr->status_flags = 0x0;
- +
- + data_size = sizeof(struct fmi_query_stat_resp);
- + fmi_counter_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
- + if (!fmi_counter_data)
- + return -ENOMEM;
- +
- + dma = dma_map_single(&priv->si->pdev->dev, fmi_counter_data,
- + data_size, DMA_FROM_DEVICE);
- + if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
- + netdev_err(priv->si->ndev, "DMA mapping failed!\n");
- + kfree(fmi_counter_data);
- + return -ENOMEM;
- + }
- + cbdr->addr[0] = lower_32_bits(dma);
- + cbdr->addr[1] = upper_32_bits(dma);
- +
- + dma_size = cpu_to_le16(data_size);
- + cbdr->length = dma_size;
- +
- + xmit_cbdr(priv->si, curr_cbd);
- +
- + memcpy(counters, fmi_counter_data, sizeof(*counters));
- +
- + return 0;
- +}
- +
- +int enetc_qbu_set(struct net_device *ndev, u8 ptvector)
- +{
- + u32 temp;
- + int i;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + temp = enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET);
- + if (temp & ENETC_QBV_TGE)
- + enetc_wr(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET,
- + temp & (~ENETC_QBV_TGPE));
- +
- + for (i = 0; i < 8; i++) {
- + /* 1 Enabled. Traffic is transmitted on the preemptive MAC. */
- + temp = enetc_port_rd(&priv->si->hw, ENETC_PTCFPR(i));
- +
- + if ((ptvector >> i) & 0x1)
- + enetc_port_wr(&priv->si->hw,
- + ENETC_PTCFPR(i),
- + temp | ENETC_FPE);
- + else
- + enetc_port_wr(&priv->si->hw,
- + ENETC_PTCFPR(i),
- + temp & ~ENETC_FPE);
- + }
- +
- + return 0;
- +}
- +
- +int enetc_qbu_get(struct net_device *ndev,
- + struct tsn_preempt_status *preemptstat)
- +{
- + int i;
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + if (enetc_port_rd(&priv->si->hw, ENETC_PFPMR) & ENETC_PFPMR_PMACE) {
- + preemptstat->preemption_active = true;
- + if (enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET)
- + & ENETC_QBV_TGE)
- + preemptstat->hold_request = 1;
- + else
- + preemptstat->hold_request = 2;
- + } else {
- + preemptstat->preemption_active = false;
- + return 0;
- + }
- +
- + for (i = 0; i < 8; i++)
- + if (enetc_port_rd(&priv->si->hw, ENETC_PTCFPR(i)) & 0x80000000)
- + preemptstat->admin_state |= 1 << i;
- +
- + preemptstat->hold_advance =
- + enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET) & 0xFFFF;
- + preemptstat->release_advance =
- + enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET) & 0xFFFF;
- +
- + return 0;
- +}
- +
- +u32 __enetc_tsn_get_cap(struct enetc_si *si)
- +{
- + u32 reg = 0;
- + u32 cap = 0;
- +
- + reg = enetc_port_rd(&si->hw, ENETC_PCAPR0);
- +
- + if (reg & ENETC_PCAPR0_PSFP)
- + cap |= TSN_CAP_QCI;
- +
- + if (reg & ENETC_PCAPR0_TSN)
- + cap |= TSN_CAP_QBV;
- +
- + if (reg & ENETC_PCAPR0_QBU)
- + cap |= TSN_CAP_QBU;
- +
- + cap |= TSN_CAP_CBS;
- + cap |= TSN_CAP_TBS;
- +
- + return cap;
- +}
- +
- +u32 enetc_tsn_get_capability(struct net_device *ndev)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + return __enetc_tsn_get_cap(priv->si);
- +}
- +
- +static int __enetc_get_max_cap(struct enetc_si *si,
- + struct tsn_qci_psfp_stream_param *stream_para)
- +{
- + u32 reg = 0;
- +
- + /* Port stream filter capability */
- + reg = enetc_port_rd(&si->hw, ENETC_PSFCAPR);
- + stream_para->max_sf_instance = reg & ENETC_PSFCAPR_MSK;
- + /* Port stream filter capability */
- + reg = enetc_port_rd(&si->hw, ENETC_PSGCAPR);
- + stream_para->max_sg_instance = (reg & ENETC_PSGCAPR_SGIT_MSK);
- + stream_para->supported_list_max = (reg & ENETC_PSGCAPR_GCL_MSK) >> 16;
- + /* Port flow meter capability */
- + reg = enetc_port_rd(&si->hw, ENETC_PFMCAPR);
- + stream_para->max_fm_instance = reg & ENETC_PFMCAPR_MSK;
- +
- + return 0;
- +}
- +
- +int enetc_get_max_cap(struct net_device *ndev,
- + struct tsn_qci_psfp_stream_param *stream_para)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- +
- + return __enetc_get_max_cap(priv->si, stream_para);
- +}
- +
- +static int enetc_set_cbs(struct net_device *ndev, u8 tc, u8 bw)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + struct enetc_si *si = priv->si;
- + struct enetc_cbs *ecbs = si->ecbs;
- + struct cbs *cbs;
- +
- + int bw_sum = 0;
- + u32 port_transmit_rate;
- + u32 port_frame_max_size;
- + u8 tc_nums;
- + int i;
- +
- + u32 max_interfrence_size;
- + u32 send_slope;
- + u32 hi_credit;
- +
- + if (!ecbs)
- + return -ENOMEM;
- +
- + port_transmit_rate = get_ndev_speed(si->ndev);
- + if (port_transmit_rate != ecbs->port_transmit_rate)
- + ecbs->port_transmit_rate = port_transmit_rate;
- + port_frame_max_size = ecbs->port_max_size_frame;
- + tc_nums = ecbs->tc_nums;
- + cbs = ecbs->cbs;
- +
- + if (tc >= tc_nums) {
- + dev_err(&ndev->dev, "Make sure the TC less than %d\n", tc_nums);
- + return -EINVAL;
- + }
- +
- + if (!bw) {
- + if (cbs[tc].enable) {
- + /* Make sure the other TC that are numerically
- + * lower than this TC have been disabled.
- + */
- + for (i = 0; i < tc; i++) {
- + if (cbs[i].enable)
- + break;
- + }
- + if (i < tc) {
- + dev_err(&ndev->dev,
- + "TC%d has been disabled first\n", i);
- + return -EINVAL;
- + }
- + memset(&cbs[tc], 0, sizeof(*cbs));
- + cbs[tc].enable = false;
- + enetc_port_wr(&si->hw, ENETC_PTCCBSR1(tc), 0);
- + enetc_port_wr(&si->hw, ENETC_PTCCBSR0(tc), 0);
- + }
- + return 0;
- + }
- +
- + /* Make sure the other TC that are numerically
- + * higher than this TC have been enabled.
- + */
- + for (i = tc_nums - 1; i > tc; i--) {
- + if (!cbs[i].enable) {
- + dev_err(&ndev->dev,
- + "TC%d has been enabled first\n", i);
- + return -EINVAL;
- + }
- + bw_sum += cbs[i].bw;
- + }
- +
- + if (bw_sum + bw >= 100) {
- + dev_err(&ndev->dev,
- + "The sum of all CBS Bandwidth cann't exceed 100\n");
- + return -EINVAL;
- + }
- +
- + cbs[tc].bw = bw;
- + cbs[tc].tc_max_sized_frame = enetc_port_rd(&si->hw, ENETC_PTCMSDUR(tc));
- + cbs[tc].idle_slope = port_transmit_rate / 100 * bw;
- + cbs[tc].send_slope = port_transmit_rate - cbs[tc].idle_slope;
- +
- + /* For TC7, the max_interfrence_size is ENETC_MAC_MAXFRM_SIZE.
- + * For TC6, the max_interfrence_size is calculated as below:
- + *
- + * max_interfrence_size = (M0 + Ma + Ra * M0 / (R0 - Ra))
- + *
- + * For other traffic class, for example SR class Q:
- + *
- + * R0 * (M0 + Ma + ... + Mp)
- + * max_interfrence_size = ------------------------------
- + * (R0 - Ra) + ... + (R0 - Rp)
- + *
- + */
- +
- + if (tc == tc_nums - 1) {
- + cbs[tc].max_interfrence_size = port_frame_max_size * 8;
- +
- + } else if (tc == tc_nums - 2) {
- + cbs[tc].max_interfrence_size = (port_frame_max_size
- + + cbs[tc + 1].tc_max_sized_frame
- + + port_frame_max_size * (cbs[tc + 1].idle_slope
- + / cbs[tc + 1].send_slope)) * 8;
- + } else {
- + max_interfrence_size = port_frame_max_size;
- + send_slope = 0;
- + for (i = tc + 1; i < tc_nums; i++) {
- + send_slope += cbs[i].send_slope;
- + max_interfrence_size += cbs[i].tc_max_sized_frame;
- + }
- + max_interfrence_size = ((u64)port_transmit_rate
- + * max_interfrence_size) / send_slope;
- + cbs[tc].max_interfrence_size = max_interfrence_size * 8;
- + }
- +
- + cbs[tc].hi_credit = cbs[tc].max_interfrence_size * cbs[tc].bw / 100;
- + cbs[tc].lo_credit = cbs[tc].tc_max_sized_frame * (cbs[tc].send_slope
- + / port_transmit_rate);
- + cbs[tc].tc = tc;
- +
- + hi_credit = (ENETC_CLK * 100L) * (u64)cbs[tc].hi_credit
- + / port_transmit_rate;
- + enetc_port_wr(&si->hw, ENETC_PTCCBSR1(tc), hi_credit);
- +
- + /* Set bw register and enable this traffic class*/
- + enetc_port_wr(&si->hw, ENETC_PTCCBSR0(tc),
- + (cbs[tc].bw & 0x7F) | (1 << 31));
- + cbs[tc].enable = true;
- +
- + return 0;
- +}
- +
- +static int enetc_get_cbs(struct net_device *ndev, u8 tc)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + struct enetc_si *si = priv->si;
- + struct enetc_cbs *ecbs = si->ecbs;
- + struct cbs *cbs;
- +
- + if (!ecbs)
- + return -ENOMEM;
- + cbs = ecbs->cbs;
- + if (tc >= ecbs->tc_nums) {
- + dev_err(&ndev->dev, "The maximum of TC is %d\n", ecbs->tc_nums);
- + return -EINVAL;
- + }
- +
- + return cbs[tc].bw;
- +}
- +
- +static int enetc_set_tsd(struct net_device *ndev, struct tsn_tsd *ttsd)
- +{
- + return 0;
- +}
- +
- +static int enetc_get_tsd(struct net_device *ndev, struct tsn_tsd_status *tts)
- +{
- + return 0;
- +}
- +
- +static u32 get_ndev_speed(struct net_device *netdev)
- +{
- + struct ethtool_link_ksettings ksettings;
- + int rc = -1;
- +
- + if (netdev->ethtool_ops->get_link_ksettings) {
- + if (netdev->ethtool_ops->begin) {
- + rc = netdev->ethtool_ops->begin(netdev);
- + if (rc < 0)
- + return 0;
- + }
- +
- + memset(&ksettings, 0, sizeof(ksettings));
- +
- + if (!netdev->ethtool_ops->get_link_ksettings)
- + return 0;
- +
- + rc = netdev->ethtool_ops->get_link_ksettings(netdev,
- + &ksettings);
- +
- + if (netdev->ethtool_ops->complete)
- + netdev->ethtool_ops->complete(netdev);
- + }
- +
- + return (rc < 0) ? 0 : ksettings.base.speed;
- +}
- +
- +static void enetc_cbs_init(struct enetc_si *si)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(si->ndev);
- + u8 tc_nums;
- +
- + tc_nums = priv->num_tx_rings;
- + si->ecbs = kzalloc(sizeof(*si->ecbs) +
- + sizeof(struct cbs) * tc_nums, GFP_KERNEL);
- + if (!si->ecbs)
- + return;
- +
- + si->ecbs->port_max_size_frame = si->ndev->mtu + ETH_HLEN
- + + VLAN_HLEN + ETH_FCS_LEN;
- + si->ecbs->tc_nums = tc_nums;
- + si->ecbs->port_transmit_rate = get_ndev_speed(si->ndev);
- +
- + /*This trick is used only for CFP*/
- + if (!si->ecbs->port_transmit_rate)
- + si->ecbs->port_transmit_rate = 1000000000;
- +
- + if (!si->ecbs->port_transmit_rate) {
- + dev_err(&si->pdev->dev, "Failure to get port speed for CBS\n");
- + kfree(si->ecbs);
- + si->ecbs = NULL;
- + }
- +}
- +
- +static void enetc_qbv_init(struct enetc_hw *hw)
- +{
- + /* Set PSPEED to be 1Gbps */
- + enetc_port_wr(hw, ENETC_PMR,
- + (enetc_port_rd(hw, ENETC_PMR)
- + & (~ENETC_PMR_PSPEED_MASK))
- + | ENETC_PMR_PSPEED_1000M);
- +}
- +
- +void enetc_tsn_init(struct net_device *ndev)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + struct enetc_si *si = priv->si;
- + u32 capability = 0;
- +
- + capability = __enetc_tsn_get_cap(si);
- +
- + if (capability & TSN_CAP_CBS)
- + enetc_cbs_init(si);
- +
- + if (capability & TSN_CAP_QBV)
- + enetc_qbv_init(&si->hw);
- +
- + if (capability & TSN_CAP_QCI)
- + enetc_qci_enable(&si->hw);
- +
- + dev_info(&si->pdev->dev, "%s: setup done\n", __func__);
- +}
- +
- +void enetc_tsn_deinit(struct net_device *ndev)
- +{
- + struct enetc_ndev_priv *priv = netdev_priv(ndev);
- + struct enetc_si *si = priv->si;
- +
- + dev_info(&si->pdev->dev, "%s: release\n", __func__);
- +}
- +
- +static struct tsn_ops enetc_tsn_ops_full = {
- + .device_init = enetc_tsn_init,
- + .device_deinit = enetc_tsn_deinit,
- + .get_capability = enetc_tsn_get_capability,
- + .qbv_set = enetc_qbv_set,
- + .qbv_get = enetc_qbv_get,
- + .qbv_get_status = enetc_qbv_get_status,
- + .cb_streamid_set = enetc_cb_streamid_set,
- + .cb_streamid_get = enetc_cb_streamid_get,
- + .cb_streamid_counters_get = enetc_cb_streamid_counters_get,
- + .qci_get_maxcap = enetc_get_max_cap,
- + .qci_sfi_set = enetc_qci_sfi_set,
- + .qci_sfi_get = enetc_qci_sfi_get,
- + .qci_sfi_counters_get = enetc_qci_sfi_counters_get,
- + .qci_sgi_set = enetc_qci_sgi_set,
- + .qci_sgi_get = enetc_qci_sgi_get,
- + .qci_sgi_status_get = enetc_qci_sgi_status_get,
- + .qci_fmi_set = enetc_qci_fmi_set,
- + .qci_fmi_get = enetc_qci_fmi_get,
- + .qbu_set = enetc_qbu_set,
- + .qbu_get = enetc_qbu_get,
- + .cbs_set = enetc_set_cbs,
- + .cbs_get = enetc_get_cbs,
- + .tsd_set = enetc_set_tsd,
- + .tsd_get = enetc_get_tsd,
- +};
- +
- +static struct tsn_ops enetc_tsn_ops_part = {
- + .device_init = enetc_tsn_init,
- + .device_deinit = enetc_tsn_deinit,
- + .get_capability = enetc_tsn_get_capability,
- + .cb_streamid_set = enetc_cb_streamid_set,
- + .cb_streamid_get = enetc_cb_streamid_get,
- + .cb_streamid_counters_get = enetc_cb_streamid_counters_get,
- + .qci_get_maxcap = enetc_get_max_cap,
- + .qci_sfi_set = enetc_qci_sfi_set,
- + .qci_sfi_get = enetc_qci_sfi_get,
- + .qci_sfi_counters_get = enetc_qci_sfi_counters_get,
- + .qci_sgi_set = enetc_qci_sgi_set,
- + .qci_sgi_get = enetc_qci_sgi_get,
- + .qci_sgi_status_get = enetc_qci_sgi_status_get,
- + .qci_fmi_set = enetc_qci_fmi_set,
- + .qci_fmi_get = enetc_qci_fmi_get,
- +};
- +
- +void enetc_tsn_pf_init(struct net_device *netdev, struct pci_dev *pdev)
- +{
- + int port = pdev->devfn & 0x7;
- +
- + if (port == 1 || port == 3)
- + tsn_port_register(netdev, &enetc_tsn_ops_part,
- + (u16)pdev->bus->number);
- + else
- + tsn_port_register(netdev, &enetc_tsn_ops_full,
- + (u16)pdev->bus->number);
- +}
- +
- +void enetc_tsn_pf_deinit(struct net_device *netdev)
- +{
- + tsn_port_unregister(netdev);
- +}
- +#endif /* #if IS_ENABLED(CONFIG_ENETC_TSN) */
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