From: Dmitry Bogdanov <dmitry.bogda...@aquantia.com> DMA counters are 64 bit and we can fetch that to reduce counter overflow, espesially on byte counters.
Tested-by: Nikita Danilov <ndani...@aquantia.com> Signed-off-by: Igor Russkikh <igor.russk...@aquantia.com> Signed-off-by: Dmitry Bogdanov <dmitry.bogda...@aquantia.com> --- .../ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c | 5 ----- .../ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h | 3 --- .../aquantia/atlantic/hw_atl/hw_atl_llh_internal.h | 3 --- .../aquantia/atlantic/hw_atl/hw_atl_utils.c | 14 +++++++++----- 4 files changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c index 9442deff98a8..9876122991a7 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c @@ -49,11 +49,6 @@ u32 hw_atl_glb_soft_res_get(struct aq_hw_s *aq_hw) HW_ATL_GLB_SOFT_RES_SHIFT); } -u32 hw_atl_reg_rx_dma_stat_counter7get(struct aq_hw_s *aq_hw) -{ - return aq_hw_read_reg(aq_hw, HW_ATL_RX_DMA_STAT_COUNTER7_ADR); -} - u32 hw_atl_reg_glb_mif_id_get(struct aq_hw_s *aq_hw) { return aq_hw_read_reg(aq_hw, HW_ATL_GLB_MIF_ID_ADR); diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h index 4cfa4bd80ad3..3cef151633d4 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h @@ -82,9 +82,6 @@ u32 hw_atl_reg_mac_msm_rx_bcst_octets_counter1get(struct aq_hw_s *aq_hw); /* get msm rx unicast octets counter register 0 */ u32 hw_atl_reg_mac_msm_rx_ucst_octets_counter0get(struct aq_hw_s *aq_hw); -/* get rx dma statistics counter 7 */ -u32 hw_atl_reg_rx_dma_stat_counter7get(struct aq_hw_s *aq_hw); - /* get msm tx errors counter register */ u32 hw_atl_reg_mac_msm_tx_errs_cnt_get(struct aq_hw_s *aq_hw); diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h index 430bbd45b2f0..b64140924a02 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h @@ -58,9 +58,6 @@ /* preprocessor definitions for msm rx unicast octets counter register 0 */ #define HW_ATL_MAC_MSM_RX_UCST_OCTETS_COUNTER0_ADR 0x000001b8u -/* preprocessor definitions for rx dma statistics counter 7 */ -#define HW_ATL_RX_DMA_STAT_COUNTER7_ADR 0x00006818u - /* preprocessor definitions for msm tx unicast frames counter register */ #define HW_ATL_MAC_MSM_TX_UCST_FRM_CNT_ADR 0x00000108u diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c index 35df424e3af3..4063746a8859 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c @@ -545,7 +545,7 @@ void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self, pmbox->stats.ubtc = pmbox->stats.uptc * mtu; pmbox->stats.dpc = atomic_read(&self->dpc); } else { - pmbox->stats.dpc = hw_atl_reg_rx_dma_stat_counter7get(self); + pmbox->stats.dpc = hw_atl_rpb_rx_dma_drop_pkt_cnt_get(self); } err_exit:; @@ -789,10 +789,14 @@ int hw_atl_utils_update_stats(struct aq_hw_s *self) AQ_SDELTA(dpc); } #undef AQ_SDELTA - self->curr_stats.dma_pkt_rc = hw_atl_stats_rx_dma_good_pkt_counterlsw_get(self); - self->curr_stats.dma_pkt_tc = hw_atl_stats_tx_dma_good_pkt_counterlsw_get(self); - self->curr_stats.dma_oct_rc = hw_atl_stats_rx_dma_good_octet_counterlsw_get(self); - self->curr_stats.dma_oct_tc = hw_atl_stats_tx_dma_good_octet_counterlsw_get(self); + self->curr_stats.dma_pkt_rc = hw_atl_stats_rx_dma_good_pkt_counterlsw_get(self) + + ((u64)hw_atl_stats_rx_dma_good_pkt_countermsw_get(self) << 32); + self->curr_stats.dma_pkt_tc = hw_atl_stats_tx_dma_good_pkt_counterlsw_get(self) + + ((u64)hw_atl_stats_tx_dma_good_pkt_countermsw_get(self) << 32); + self->curr_stats.dma_oct_rc = hw_atl_stats_rx_dma_good_octet_counterlsw_get(self) + + ((u64)hw_atl_stats_rx_dma_good_octet_countermsw_get(self) << 32); + self->curr_stats.dma_oct_tc = hw_atl_stats_tx_dma_good_octet_counterlsw_get(self) + + ((u64)hw_atl_stats_tx_dma_good_octet_countermsw_get(self) << 32); memcpy(&self->last_stats, &mbox.stats, sizeof(mbox.stats)); -- 2.17.1