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Date: Sat, 12 Nov 2022 10:01:37 +0530 From: Hariprasad Kelam <hkelam@...vell.com> To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> CC: <kuba@...nel.org>, <davem@...emloft.net>, <pabeni@...hat.com>, <edumazet@...gle.com>, <sgoutham@...vell.com>, <lcherian@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>, <sbhatta@...vell.com> Subject: [net-next PATCH 5/9] octeontx2-af: Add support for RPM FEC stats RPM/CGX blocks support both RS-FEC and BASER modes. This patch adds support to display these FEC stats. FEC stats are integrated to below file cat /sys/kernel/debug/cn10k/rpm/rpmx/lmacx/stats Signed-off-by: Hariprasad Kelam <hkelam@...vell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com> --- .../net/ethernet/marvell/octeontx2/af/cgx.c | 5 ++ .../marvell/octeontx2/af/lmac_common.h | 3 ++ .../net/ethernet/marvell/octeontx2/af/rpm.c | 51 +++++++++++++++++++ .../net/ethernet/marvell/octeontx2/af/rpm.h | 14 ++++- .../ethernet/marvell/octeontx2/af/rvu_cgx.c | 4 +- .../marvell/octeontx2/af/rvu_debugfs.c | 11 ++++ 6 files changed, 86 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 942ad87905e9..1b194b2da7cc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -752,6 +752,10 @@ int cgx_get_fec_stats(void *cgxd, int lmac_id, struct cgx_fec_stats_rsp *rsp) if (!cgx || lmac_id >= cgx->lmac_count) return -ENODEV; + + if (cgx->lmac_idmap[lmac_id]->link_info.fec == OTX2_FEC_NONE) + return 0; + fec_stats_count = cgx_set_fec_stats_count(&cgx->lmac_idmap[lmac_id]->link_info); if (cgx->lmac_idmap[lmac_id]->link_info.fec == OTX2_FEC_BASER) { @@ -1774,6 +1778,7 @@ static struct mac_ops cgx_mac_ops = { .mac_lmac_intl_lbk = cgx_lmac_internal_loopback, .mac_get_rx_stats = cgx_get_rx_stats, .mac_get_tx_stats = cgx_get_tx_stats, + .get_fec_stats = cgx_get_fec_stats, .mac_enadis_rx_pause_fwding = cgx_lmac_enadis_rx_pause_fwding, .mac_get_pause_frm_status = cgx_lmac_get_pause_frm_status, .mac_enadis_pause_frm = cgx_lmac_enadis_pause_frm, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h b/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h index 18b03940b34b..120f04bfa988 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h @@ -128,6 +128,9 @@ struct mac_ops { int (*mac_reset)(void *cgxd, int lmac_id); u64 (*get_dmacflt_dropped_pktcnt)(void *cgxd, int lmac_id); + /* FEC stats */ + int (*get_fec_stats)(void *cgxd, int lmac_id, + struct cgx_fec_stats_rsp *rsp); }; struct cgx { diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c index 641d82000768..6aa1c6a0e02c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c @@ -27,6 +27,7 @@ static struct mac_ops rpm_mac_ops = { .mac_lmac_intl_lbk = rpm_lmac_internal_loopback, .mac_get_rx_stats = rpm_get_rx_stats, .mac_get_tx_stats = rpm_get_tx_stats, + .get_fec_stats = rpm_get_fec_stats, .mac_enadis_rx_pause_fwding = rpm_lmac_enadis_rx_pause_fwding, .mac_get_pause_frm_status = rpm_lmac_get_pause_frm_status, .mac_enadis_pause_frm = rpm_lmac_enadis_pause_frm, @@ -59,6 +60,7 @@ static struct mac_ops rpm2_mac_ops = { .mac_lmac_intl_lbk = rpm_lmac_internal_loopback, .mac_get_rx_stats = rpm_get_rx_stats, .mac_get_tx_stats = rpm_get_tx_stats, + .get_fec_stats = rpm_get_fec_stats, .mac_enadis_rx_pause_fwding = rpm_lmac_enadis_rx_pause_fwding, .mac_get_pause_frm_status = rpm_lmac_get_pause_frm_status, .mac_enadis_pause_frm = rpm_lmac_enadis_pause_frm, @@ -436,6 +438,55 @@ int rpm_get_tx_stats(void *rpmd, int lmac_id, int idx, u64 *tx_stat) return 0; } +int rpm_get_fec_stats(void *rpmd, int lmac_id, struct cgx_fec_stats_rsp *rsp) +{ + u64 val_lo, val_hi; + rpm_t *rpm = rpmd; + u64 cfg; + + if (!is_lmac_valid(rpm, lmac_id)) + return -ENODEV; + + if (rpm->lmac_idmap[lmac_id]->link_info.fec == OTX2_FEC_NONE) + return 0; + + if (rpm->lmac_idmap[lmac_id]->link_info.fec == OTX2_FEC_BASER) { + val_lo = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_VL0_CCW_LO); + val_hi = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_CW_HI); + rsp->fec_corr_blks = (val_hi << 32 | val_lo); + + val_lo = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_VL0_NCCW_LO); + val_hi = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_CW_HI); + rsp->fec_uncorr_blks = (val_hi << 32 | val_lo); + + /* 50G uses 2 Physical serdes lines */ + if (rpm->lmac_idmap[lmac_id]->link_info.lmac_type_id == LMAC_MODE_50G_R) { + val_lo = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_VL1_CCW_LO); + val_hi = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_CW_HI); + rsp->fec_corr_blks += (val_hi << 32 | val_lo); + + val_lo = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_VL1_NCCW_LO); + val_hi = rpm_read(rpm, lmac_id, RPMX_MTI_FCFECX_CW_HI); + rsp->fec_uncorr_blks += (val_hi << 32 | val_lo); + } + } else { + /* enable RS-FEC capture */ + cfg = rpm_read(rpm, 0, RPMX_MTI_STAT_STATN_CONTROL); + cfg |= RPMX_RSFEC_RX_CAPTURE | BIT(lmac_id); + rpm_write(rpm, 0, RPMX_MTI_STAT_STATN_CONTROL, cfg); + + val_lo = rpm_read(rpm, 0, RPMX_MTI_RSFEC_STAT_COUNTER_CAPTURE_2); + val_hi = rpm_read(rpm, 0, RPMX_MTI_STAT_DATA_HI_CDC); + rsp->fec_corr_blks = (val_hi << 32 | val_lo); + + val_lo = rpm_read(rpm, 0, RPMX_MTI_RSFEC_STAT_COUNTER_CAPTURE_3); + val_hi = rpm_read(rpm, 0, RPMX_MTI_STAT_DATA_HI_CDC); + rsp->fec_uncorr_blks = (val_hi << 32 | val_lo); + } + + return 0; +} + u64 rpm_get_dmacflt_dropped_pktcnt(void *rpmd, int lmac_id) { rpm_t *rpm = rpmd; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.h b/drivers/net/ethernet/marvell/octeontx2/af/rpm.h index 8ed2f9c9624b..c86066d2052f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.h @@ -25,7 +25,6 @@ #define RPMX_CMRX_SW_INT_ENA_W1S 0x198 #define RPMX_CMRX_LINK_CFG 0x1070 #define RPMX_MTI_PCS100X_CONTROL1 0x20000 -#define RPMX_MTI_LPCSX_CONTROL1 0x30000 #define RPMX_MTI_PCS_LBK BIT_ULL(14) #define RPMX_MTI_LPCSX_CONTROL(id) (0x30000 | ((id) * 0x100)) @@ -82,6 +81,18 @@ #define RPMX_TS_BINARY_MODE BIT_ULL(11) #define RPMX_CONST1 0x2008 +/* FEC stats */ +#define RPMX_MTI_STAT_STATN_CONTROL 0x10018 +#define RPMX_MTI_STAT_DATA_HI_CDC 0x10038 +#define RPMX_RSFEC_RX_CAPTURE BIT_ULL(27) +#define RPMX_MTI_RSFEC_STAT_COUNTER_CAPTURE_2 0x40050 +#define RPMX_MTI_RSFEC_STAT_COUNTER_CAPTURE_3 0x40058 +#define RPMX_MTI_FCFECX_VL0_CCW_LO 0x38618 +#define RPMX_MTI_FCFECX_VL0_NCCW_LO 0x38620 +#define RPMX_MTI_FCFECX_VL1_CCW_LO 0x38628 +#define RPMX_MTI_FCFECX_VL1_NCCW_LO 0x38630 +#define RPMX_MTI_FCFECX_CW_HI 0x38638 + /* CN10KB CSR Declaration */ #define RPM2_CMRX_SW_INT 0x1b0 #define RPM2_CMRX_SW_INT_ENA_W1S 0x1b8 @@ -111,6 +122,7 @@ int rpm_lmac_enadis_pause_frm(void *rpmd, int lmac_id, u8 tx_pause, u8 rx_pause); int rpm_get_tx_stats(void *rpmd, int lmac_id, int idx, u64 *tx_stat); int rpm_get_rx_stats(void *rpmd, int lmac_id, int idx, u64 *rx_stat); +int rpm_get_fec_stats(void *cgxd, int lmac_id, struct cgx_fec_stats_rsp *rsp); u64 rpm_get_dmacflt_dropped_pktcnt(void *rpmd, int lmac_id); void rpm_lmac_ptp_config(void *rpmd, int lmac_id, bool enable); int rpm_lmac_rx_tx_enable(void *rpmd, int lmac_id, bool enable); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c index 3124aed1806f..fb3e5f1dbe3a 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -579,6 +579,7 @@ int rvu_mbox_handler_cgx_fec_stats(struct rvu *rvu, struct cgx_fec_stats_rsp *rsp) { int pf = rvu_get_pf(req->hdr.pcifunc); + struct mac_ops *mac_ops; u8 cgx_idx, lmac; void *cgxd; @@ -587,7 +588,8 @@ int rvu_mbox_handler_cgx_fec_stats(struct rvu *rvu, rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_idx, &lmac); cgxd = rvu_cgx_pdata(cgx_idx, rvu); - return cgx_get_fec_stats(cgxd, lmac, rsp); + mac_ops = get_mac_ops(cgxd); + return mac_ops->get_fec_stats(cgxd, lmac, rsp); } int rvu_mbox_handler_cgx_mac_addr_set(struct rvu *rvu, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index c5a0076b8082..b038ca855221 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -2388,6 +2388,7 @@ static void rvu_dbg_npa_init(struct rvu *rvu) static int cgx_print_stats(struct seq_file *s, int lmac_id) { struct cgx_link_user_info linfo; + struct cgx_fec_stats_rsp fec_rsp; struct mac_ops *mac_ops; void *cgxd = s->private; u64 ucast, mcast, bcast; @@ -2488,6 +2489,16 @@ static int cgx_print_stats(struct seq_file *s, int lmac_id) stat++; } + fec_rsp.fec_corr_blks = 0; + fec_rsp.fec_uncorr_blks = 0; + + seq_printf(s, "\n=======%s FEC_STATS======\n\n", mac_ops->name); + err = mac_ops->get_fec_stats(cgxd, lmac_id, &fec_rsp); + if (err) + return err; + seq_printf(s, "Fec Corrected Errors: %llu\n", fec_rsp.fec_corr_blks); + seq_printf(s, "Fec Uncorrected Errors: %llu\n", fec_rsp.fec_uncorr_blks); + return err; } -- 2.17.1
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