diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/hw_atl')
5 files changed, 132 insertions, 73 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c index c5a02df7a48b..07b3c49a16a4 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c @@ -765,24 +765,23 @@ err_exit: return err; } -static int hw_atl_a0_hw_interrupt_moderation_set(struct aq_hw_s *self, - bool itr_enabled) +static int hw_atl_a0_hw_interrupt_moderation_set(struct aq_hw_s *self) { unsigned int i = 0U; + u32 itr_rx; - if (itr_enabled && self->aq_nic_cfg->itr) { - if (self->aq_nic_cfg->itr != 0xFFFFU) { + if (self->aq_nic_cfg->itr) { + if (self->aq_nic_cfg->itr != AQ_CFG_INTERRUPT_MODERATION_AUTO) { u32 itr_ = (self->aq_nic_cfg->itr >> 1); itr_ = min(AQ_CFG_IRQ_MASK, itr_); - PHAL_ATLANTIC_A0->itr_rx = 0x80000000U | - (itr_ << 0x10); + itr_rx = 0x80000000U | (itr_ << 0x10); } else { u32 n = 0xFFFFU & aq_hw_read_reg(self, 0x00002A00U); if (n < self->aq_link_status.mbps) { - PHAL_ATLANTIC_A0->itr_rx = 0U; + itr_rx = 0U; } else { static unsigned int hw_timers_tbl_[] = { 0x01CU, /* 10Gbit */ @@ -797,8 +796,7 @@ static int hw_atl_a0_hw_interrupt_moderation_set(struct aq_hw_s *self, hw_atl_utils_mbps_2_speed_index( self->aq_link_status.mbps); - PHAL_ATLANTIC_A0->itr_rx = - 0x80000000U | + itr_rx = 0x80000000U | (hw_timers_tbl_[speed_index] << 0x10U); } @@ -806,11 +804,11 @@ static int hw_atl_a0_hw_interrupt_moderation_set(struct aq_hw_s *self, aq_hw_write_reg(self, 0x00002A00U, 0x8D000000U); } } else { - PHAL_ATLANTIC_A0->itr_rx = 0U; + itr_rx = 0U; } for (i = HW_ATL_A0_RINGS_MAX; i--;) - reg_irq_thr_set(self, PHAL_ATLANTIC_A0->itr_rx, i); + reg_irq_thr_set(self, itr_rx, i); return aq_hw_err_from_flags(self); } @@ -885,6 +883,7 @@ static struct aq_hw_ops hw_atl_ops_ = { .hw_rss_set = hw_atl_a0_hw_rss_set, .hw_rss_hash_set = hw_atl_a0_hw_rss_hash_set, .hw_get_regs = hw_atl_utils_hw_get_regs, + .hw_update_stats = hw_atl_utils_update_stats, .hw_get_hw_stats = hw_atl_utils_get_hw_stats, .hw_get_fw_version = hw_atl_utils_get_fw_version, }; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index 21784cc39dab..ec68c20efcbd 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -788,39 +788,45 @@ err_exit: return err; } -static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self, - bool itr_enabled) +static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self) { unsigned int i = 0U; + u32 itr_tx = 2U; + u32 itr_rx = 2U; - if (itr_enabled && self->aq_nic_cfg->itr) { + switch (self->aq_nic_cfg->itr) { + case AQ_CFG_INTERRUPT_MODERATION_ON: + case AQ_CFG_INTERRUPT_MODERATION_AUTO: tdm_tx_desc_wr_wb_irq_en_set(self, 0U); tdm_tdm_intr_moder_en_set(self, 1U); rdm_rx_desc_wr_wb_irq_en_set(self, 0U); rdm_rdm_intr_moder_en_set(self, 1U); - PHAL_ATLANTIC_B0->itr_tx = 2U; - PHAL_ATLANTIC_B0->itr_rx = 2U; + if (self->aq_nic_cfg->itr == AQ_CFG_INTERRUPT_MODERATION_ON) { + /* HW timers are in 2us units */ + int tx_max_timer = self->aq_nic_cfg->tx_itr / 2; + int tx_min_timer = tx_max_timer / 2; - if (self->aq_nic_cfg->itr != 0xFFFFU) { - unsigned int max_timer = self->aq_nic_cfg->itr / 2U; - unsigned int min_timer = self->aq_nic_cfg->itr / 32U; + int rx_max_timer = self->aq_nic_cfg->rx_itr / 2; + int rx_min_timer = rx_max_timer / 2; - max_timer = min(0x1FFU, max_timer); - min_timer = min(0xFFU, min_timer); + tx_max_timer = min(HW_ATL_INTR_MODER_MAX, tx_max_timer); + tx_min_timer = min(HW_ATL_INTR_MODER_MIN, tx_min_timer); + rx_max_timer = min(HW_ATL_INTR_MODER_MAX, rx_max_timer); + rx_min_timer = min(HW_ATL_INTR_MODER_MIN, rx_min_timer); - PHAL_ATLANTIC_B0->itr_tx |= min_timer << 0x8U; - PHAL_ATLANTIC_B0->itr_tx |= max_timer << 0x10U; - PHAL_ATLANTIC_B0->itr_rx |= min_timer << 0x8U; - PHAL_ATLANTIC_B0->itr_rx |= max_timer << 0x10U; + itr_tx |= tx_min_timer << 0x8U; + itr_tx |= tx_max_timer << 0x10U; + itr_rx |= rx_min_timer << 0x8U; + itr_rx |= rx_max_timer << 0x10U; } else { static unsigned int hw_atl_b0_timers_table_tx_[][2] = { - {0xffU, 0xffU}, /* 10Gbit */ - {0xffU, 0x1ffU}, /* 5Gbit */ - {0xffU, 0x1ffU}, /* 5Gbit 5GS */ - {0xffU, 0x1ffU}, /* 2.5Gbit */ - {0xffU, 0x1ffU}, /* 1Gbit */ - {0xffU, 0x1ffU}, /* 100Mbit */ + {0xfU, 0xffU}, /* 10Gbit */ + {0xfU, 0x1ffU}, /* 5Gbit */ + {0xfU, 0x1ffU}, /* 5Gbit 5GS */ + {0xfU, 0x1ffU}, /* 2.5Gbit */ + {0xfU, 0x1ffU}, /* 1Gbit */ + {0xfU, 0x1ffU}, /* 100Mbit */ }; static unsigned int hw_atl_b0_timers_table_rx_[][2] = { @@ -836,34 +842,36 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self, hw_atl_utils_mbps_2_speed_index( self->aq_link_status.mbps); - PHAL_ATLANTIC_B0->itr_tx |= - hw_atl_b0_timers_table_tx_[speed_index] - [0] << 0x8U; /* set min timer value */ - PHAL_ATLANTIC_B0->itr_tx |= - hw_atl_b0_timers_table_tx_[speed_index] - [1] << 0x10U; /* set max timer value */ - - PHAL_ATLANTIC_B0->itr_rx |= - hw_atl_b0_timers_table_rx_[speed_index] - [0] << 0x8U; /* set min timer value */ - PHAL_ATLANTIC_B0->itr_rx |= - hw_atl_b0_timers_table_rx_[speed_index] - [1] << 0x10U; /* set max timer value */ + /* Update user visible ITR settings */ + self->aq_nic_cfg->tx_itr = hw_atl_b0_timers_table_tx_ + [speed_index][1] * 2; + self->aq_nic_cfg->rx_itr = hw_atl_b0_timers_table_rx_ + [speed_index][1] * 2; + + itr_tx |= hw_atl_b0_timers_table_tx_ + [speed_index][0] << 0x8U; + itr_tx |= hw_atl_b0_timers_table_tx_ + [speed_index][1] << 0x10U; + + itr_rx |= hw_atl_b0_timers_table_rx_ + [speed_index][0] << 0x8U; + itr_rx |= hw_atl_b0_timers_table_rx_ + [speed_index][1] << 0x10U; } - } else { + break; + case AQ_CFG_INTERRUPT_MODERATION_OFF: tdm_tx_desc_wr_wb_irq_en_set(self, 1U); tdm_tdm_intr_moder_en_set(self, 0U); rdm_rx_desc_wr_wb_irq_en_set(self, 1U); rdm_rdm_intr_moder_en_set(self, 0U); - PHAL_ATLANTIC_B0->itr_tx = 0U; - PHAL_ATLANTIC_B0->itr_rx = 0U; + itr_tx = 0U; + itr_rx = 0U; + break; } for (i = HW_ATL_B0_RINGS_MAX; i--;) { - reg_tx_intr_moder_ctrl_set(self, - PHAL_ATLANTIC_B0->itr_tx, i); - reg_rx_intr_moder_ctrl_set(self, - PHAL_ATLANTIC_B0->itr_rx, i); + reg_tx_intr_moder_ctrl_set(self, itr_tx, i); + reg_rx_intr_moder_ctrl_set(self, itr_rx, i); } return aq_hw_err_from_flags(self); @@ -939,6 +947,7 @@ static struct aq_hw_ops hw_atl_ops_ = { .hw_rss_set = hw_atl_b0_hw_rss_set, .hw_rss_hash_set = hw_atl_b0_hw_rss_hash_set, .hw_get_regs = hw_atl_utils_hw_get_regs, + .hw_update_stats = hw_atl_utils_update_stats, .hw_get_hw_stats = hw_atl_utils_get_hw_stats, .hw_get_fw_version = hw_atl_utils_get_fw_version, }; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h index f3957e930340..9aa2c6edfca2 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h @@ -16,7 +16,7 @@ #include "../aq_common.h" -#define HW_ATL_B0_MTU_JUMBO (16000U) +#define HW_ATL_B0_MTU_JUMBO 16352U #define HW_ATL_B0_MTU 1514U #define HW_ATL_B0_TX_RINGS 4U @@ -139,6 +139,9 @@ #define HW_ATL_B0_FW_VER_EXPECTED 0x01050006U +#define HW_ATL_INTR_MODER_MAX 0x1FF +#define HW_ATL_INTR_MODER_MIN 0xFF + /* Hardware tx descriptor */ struct __packed hw_atl_txd_s { u64 buf_addr; 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 4f5ec9a0fbfb..1fe016fc4bc7 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 @@ -255,6 +255,15 @@ err_exit: return err; } +int hw_atl_utils_mpi_read_mbox(struct aq_hw_s *self, + struct hw_aq_atl_utils_mbox_header *pmbox) +{ + return hw_atl_utils_fw_downld_dwords(self, + PHAL_ATLANTIC->mbox_addr, + (u32 *)(void *)pmbox, + sizeof(*pmbox) / sizeof(u32)); +} + void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self, struct hw_aq_atl_utils_mbox *pmbox) { @@ -267,9 +276,6 @@ void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self, if (err < 0) goto err_exit; - if (pmbox != &PHAL_ATLANTIC->mbox) - memcpy(pmbox, &PHAL_ATLANTIC->mbox, sizeof(*pmbox)); - if (IS_CHIP_FEATURE(REVISION_A0)) { unsigned int mtu = self->aq_nic_cfg ? self->aq_nic_cfg->mtu : 1514U; @@ -299,17 +305,17 @@ void hw_atl_utils_mpi_set(struct aq_hw_s *self, { int err = 0; u32 transaction_id = 0; + struct hw_aq_atl_utils_mbox_header mbox; if (state == MPI_RESET) { - hw_atl_utils_mpi_read_stats(self, &PHAL_ATLANTIC->mbox); + hw_atl_utils_mpi_read_mbox(self, &mbox); - transaction_id = PHAL_ATLANTIC->mbox.transaction_id; + transaction_id = mbox.transaction_id; AQ_HW_WAIT_FOR(transaction_id != - (hw_atl_utils_mpi_read_stats - (self, &PHAL_ATLANTIC->mbox), - PHAL_ATLANTIC->mbox.transaction_id), - 1000U, 100U); + (hw_atl_utils_mpi_read_mbox(self, &mbox), + mbox.transaction_id), + 1000U, 100U); if (err < 0) goto err_exit; } @@ -351,8 +357,7 @@ int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self) break; default: - link_status->mbps = 0U; - break; + return -EBUSY; } } @@ -493,16 +498,51 @@ int hw_atl_utils_hw_set_power(struct aq_hw_s *self, return 0; } +int hw_atl_utils_update_stats(struct aq_hw_s *self) +{ + struct hw_atl_s *hw_self = PHAL_ATLANTIC; + struct hw_aq_atl_utils_mbox mbox; + + if (!self->aq_link_status.mbps) + return 0; + + hw_atl_utils_mpi_read_stats(self, &mbox); + +#define AQ_SDELTA(_N_) (hw_self->curr_stats._N_ += \ + mbox.stats._N_ - hw_self->last_stats._N_) + + AQ_SDELTA(uprc); + AQ_SDELTA(mprc); + AQ_SDELTA(bprc); + AQ_SDELTA(erpt); + + AQ_SDELTA(uptc); + AQ_SDELTA(mptc); + AQ_SDELTA(bptc); + AQ_SDELTA(erpr); + + AQ_SDELTA(ubrc); + AQ_SDELTA(ubtc); + AQ_SDELTA(mbrc); + AQ_SDELTA(mbtc); + AQ_SDELTA(bbrc); + AQ_SDELTA(bbtc); + AQ_SDELTA(dpc); + +#undef AQ_SDELTA + + memcpy(&hw_self->last_stats, &mbox.stats, sizeof(mbox.stats)); + + return 0; +} + int hw_atl_utils_get_hw_stats(struct aq_hw_s *self, u64 *data, unsigned int *p_count) { - struct hw_atl_stats_s *stats = NULL; + struct hw_atl_s *hw_self = PHAL_ATLANTIC; + struct hw_atl_stats_s *stats = &hw_self->curr_stats; int i = 0; - hw_atl_utils_mpi_read_stats(self, &PHAL_ATLANTIC->mbox); - - stats = &PHAL_ATLANTIC->mbox.stats; - data[i] = stats->uprc + stats->mprc + stats->bprc; data[++i] = stats->uprc; data[++i] = stats->mprc; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h index e0360a6b2202..c99cc690e425 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h @@ -115,19 +115,22 @@ struct __packed hw_aq_atl_utils_fw_rpc { }; }; -struct __packed hw_aq_atl_utils_mbox { +struct __packed hw_aq_atl_utils_mbox_header { u32 version; u32 transaction_id; - int error; + u32 error; +}; + +struct __packed hw_aq_atl_utils_mbox { + struct hw_aq_atl_utils_mbox_header header; struct hw_atl_stats_s stats; }; struct __packed hw_atl_s { struct aq_hw_s base; - struct hw_aq_atl_utils_mbox mbox; + struct hw_atl_stats_s last_stats; + struct hw_atl_stats_s curr_stats; u64 speed; - u32 itr_tx; - u32 itr_rx; unsigned int chip_features; u32 fw_ver_actual; atomic_t dpc; @@ -170,6 +173,9 @@ enum hal_atl_utils_fw_state_e { void hw_atl_utils_hw_chip_features_init(struct aq_hw_s *self, u32 *p); +int hw_atl_utils_mpi_read_mbox(struct aq_hw_s *self, + struct hw_aq_atl_utils_mbox_header *pmbox); + void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self, struct hw_aq_atl_utils_mbox *pmbox); @@ -199,6 +205,8 @@ int hw_atl_utils_hw_deinit(struct aq_hw_s *self); int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version); +int hw_atl_utils_update_stats(struct aq_hw_s *self); + int hw_atl_utils_get_hw_stats(struct aq_hw_s *self, u64 *data, unsigned int *p_count); |