From 84ad3642115dfc2f17b6bd98e0470f799b8411e3 Mon Sep 17 00:00:00 2001 From: Hariprasad Kelam Date: Mon, 5 Dec 2022 12:35:21 +0530 Subject: octeontx2-af: Add FEC stats for RPM/RPM_USX block CN10K silicon MAC block RPM and CN10KB silicon MAC block RPM_USX both support BASER and RSFEC modes. Also MAC (CGX) on OcteonTx2 silicon variants and MAC (RPM) on OcteonTx3 CN10K are different and FEC stats need to be read differently. CN10KB MAC block (RPM_USX) fec csr offsets are same as CN10K MAC block (RPM) mac_ops points to same fn(). Upper layer interface between RVU AF and PF netdev is kept same. Based on silicon variant appropriate fn() pointer is called to read FEC stats Signed-off-by: Hariprasad Kelam Signed-off-by: Sunil Kovvuri Goutham Signed-off-by: Paolo Abeni --- drivers/net/ethernet/marvell/octeontx2/af/rpm.c | 58 +++++++++++++++++++++++++ 1 file changed, 58 insertions(+) (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rpm.c') diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c index a15a59d5dff8..de0d88dd10d6 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, @@ -57,6 +58,7 @@ 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, @@ -655,3 +657,59 @@ int rpm_lmac_get_pfc_frm_cfg(void *rpmd, int lmac_id, u8 *tx_pause, u8 *rx_paus 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 << 16 | 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 << 16 | 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 << 16 | 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 << 16 | 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; +} -- cgit