From: Alexander Duyck <alexander.h.du...@intel.com> The rings are already split out into Tx and Rx rings so it doesn't make sense to have any single ring store both a Tx and Rx itr_setting value. Since that is the case drop the pair in favor of storing just a single ITR value.
Signed-off-by: Alexander Duyck <alexander.h.du...@intel.com> Tested-by: Andrew Bowers <andrewx.bow...@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com> --- drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 12 ++++---- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 32 +++++++++++----------- drivers/net/ethernet/intel/i40e/i40e_main.c | 14 +++++----- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 6 ++-- drivers/net/ethernet/intel/i40e/i40e_txrx.h | 3 +- drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 6 ++-- drivers/net/ethernet/intel/i40evf/i40e_txrx.h | 3 +- drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c | 24 ++++++++-------- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 8 +++--- 9 files changed, 53 insertions(+), 55 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 4c3b4243cf65..e9fc51bd6c95 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -315,9 +315,9 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) i, rx_ring->vsi, rx_ring->q_vector); dev_info(&pf->pdev->dev, - " rx_rings[%i]: rx_itr_setting = %d (%s)\n", - i, rx_ring->rx_itr_setting, - ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed"); + " rx_rings[%i]: itr_setting = %d (%s)\n", + i, rx_ring->itr_setting, + ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); } for (i = 0; i < vsi->num_queue_pairs; i++) { struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); @@ -366,9 +366,9 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) " tx_rings[%i]: DCB tc = %d\n", i, tx_ring->dcb_tc); dev_info(&pf->pdev->dev, - " tx_rings[%i]: tx_itr_setting = %d (%s)\n", - i, tx_ring->tx_itr_setting, - ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed"); + " tx_rings[%i]: itr_setting = %d (%s)\n", + i, tx_ring->itr_setting, + ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); } rcu_read_unlock(); dev_info(&pf->pdev->dev, diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 2f5bee713fef..0fb60336e64b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -2244,14 +2244,14 @@ static int __i40e_get_coalesce(struct net_device *netdev, rx_ring = vsi->rx_rings[queue]; tx_ring = vsi->tx_rings[queue]; - if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting)) + if (ITR_IS_DYNAMIC(rx_ring->itr_setting)) ec->use_adaptive_rx_coalesce = 1; - if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting)) + if (ITR_IS_DYNAMIC(tx_ring->itr_setting)) ec->use_adaptive_tx_coalesce = 1; - ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC; - ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC; + ec->rx_coalesce_usecs = rx_ring->itr_setting & ~I40E_ITR_DYNAMIC; + ec->tx_coalesce_usecs = tx_ring->itr_setting & ~I40E_ITR_DYNAMIC; /* we use the _usecs_high to store/set the interrupt rate limit * that the hardware supports, that almost but not quite @@ -2315,26 +2315,26 @@ static void i40e_set_itr_per_queue(struct i40e_vsi *vsi, intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit); - rx_ring->rx_itr_setting = ec->rx_coalesce_usecs; - tx_ring->tx_itr_setting = ec->tx_coalesce_usecs; + rx_ring->itr_setting = ec->rx_coalesce_usecs; + tx_ring->itr_setting = ec->tx_coalesce_usecs; if (ec->use_adaptive_rx_coalesce) - rx_ring->rx_itr_setting |= I40E_ITR_DYNAMIC; + rx_ring->itr_setting |= I40E_ITR_DYNAMIC; else - rx_ring->rx_itr_setting &= ~I40E_ITR_DYNAMIC; + rx_ring->itr_setting &= ~I40E_ITR_DYNAMIC; if (ec->use_adaptive_tx_coalesce) - tx_ring->tx_itr_setting |= I40E_ITR_DYNAMIC; + tx_ring->itr_setting |= I40E_ITR_DYNAMIC; else - tx_ring->tx_itr_setting &= ~I40E_ITR_DYNAMIC; + tx_ring->itr_setting &= ~I40E_ITR_DYNAMIC; q_vector = rx_ring->q_vector; - q_vector->rx.itr = ITR_TO_REG(rx_ring->rx_itr_setting); + q_vector->rx.itr = ITR_TO_REG(rx_ring->itr_setting); vector = vsi->base_vector + q_vector->v_idx; wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr); q_vector = tx_ring->q_vector; - q_vector->tx.itr = ITR_TO_REG(tx_ring->tx_itr_setting); + q_vector->tx.itr = ITR_TO_REG(tx_ring->itr_setting); vector = vsi->base_vector + q_vector->v_idx; wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr); @@ -2364,11 +2364,11 @@ static int __i40e_set_coalesce(struct net_device *netdev, vsi->work_limit = ec->tx_max_coalesced_frames_irq; if (queue < 0) { - cur_rx_itr = vsi->rx_rings[0]->rx_itr_setting; - cur_tx_itr = vsi->tx_rings[0]->tx_itr_setting; + cur_rx_itr = vsi->rx_rings[0]->itr_setting; + cur_tx_itr = vsi->tx_rings[0]->itr_setting; } else if (queue < vsi->num_queue_pairs) { - cur_rx_itr = vsi->rx_rings[queue]->rx_itr_setting; - cur_tx_itr = vsi->tx_rings[queue]->tx_itr_setting; + cur_rx_itr = vsi->rx_rings[queue]->itr_setting; + cur_tx_itr = vsi->tx_rings[queue]->itr_setting; } else { netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", vsi->num_queue_pairs - 1); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index e31adbc75f9c..005a6d6a20fb 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3450,11 +3450,11 @@ static void i40e_vsi_configure_msix(struct i40e_vsi *vsi) struct i40e_q_vector *q_vector = vsi->q_vectors[i]; q_vector->itr_countdown = ITR_COUNTDOWN_START; - q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[i]->rx_itr_setting); + q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[i]->itr_setting); q_vector->rx.latency_range = I40E_LOW_LATENCY; wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr); - q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[i]->tx_itr_setting); + q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[i]->itr_setting); q_vector->tx.latency_range = I40E_LOW_LATENCY; wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr); @@ -3559,10 +3559,10 @@ static void i40e_configure_msi_and_legacy(struct i40e_vsi *vsi) /* set the ITR configuration */ q_vector->itr_countdown = ITR_COUNTDOWN_START; - q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[0]->rx_itr_setting); + q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[0]->itr_setting); q_vector->rx.latency_range = I40E_LOW_LATENCY; wr32(hw, I40E_PFINT_ITR0(I40E_RX_ITR), q_vector->rx.itr); - q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[0]->tx_itr_setting); + q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[0]->itr_setting); q_vector->tx.latency_range = I40E_LOW_LATENCY; wr32(hw, I40E_PFINT_ITR0(I40E_TX_ITR), q_vector->tx.itr); @@ -10018,7 +10018,7 @@ static int i40e_alloc_rings(struct i40e_vsi *vsi) ring->dcb_tc = 0; if (vsi->back->hw_features & I40E_HW_WB_ON_ITR_CAPABLE) ring->flags = I40E_TXR_FLAGS_WB_ON_ITR; - ring->tx_itr_setting = pf->tx_itr_default; + ring->itr_setting = pf->tx_itr_default; vsi->tx_rings[i] = ring++; if (!i40e_enabled_xdp_vsi(vsi)) @@ -10036,7 +10036,7 @@ static int i40e_alloc_rings(struct i40e_vsi *vsi) if (vsi->back->hw_features & I40E_HW_WB_ON_ITR_CAPABLE) ring->flags = I40E_TXR_FLAGS_WB_ON_ITR; set_ring_xdp(ring); - ring->tx_itr_setting = pf->tx_itr_default; + ring->itr_setting = pf->tx_itr_default; vsi->xdp_rings[i] = ring++; setup_rx: @@ -10049,7 +10049,7 @@ static int i40e_alloc_rings(struct i40e_vsi *vsi) ring->count = vsi->num_desc; ring->size = 0; ring->dcb_tc = 0; - ring->rx_itr_setting = pf->rx_itr_default; + ring->itr_setting = pf->rx_itr_default; vsi->rx_rings[i] = ring; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index ddd4b3046046..b9121a87ee46 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2290,12 +2290,12 @@ static u32 i40e_buildreg_itr(const int type, const u16 itr) #define INTREG I40E_PFINT_DYN_CTLN static inline int get_rx_itr(struct i40e_vsi *vsi, int idx) { - return vsi->rx_rings[idx]->rx_itr_setting; + return vsi->rx_rings[idx]->itr_setting; } static inline int get_tx_itr(struct i40e_vsi *vsi, int idx) { - return vsi->tx_rings[idx]->tx_itr_setting; + return vsi->tx_rings[idx]->itr_setting; } /** @@ -2322,7 +2322,7 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi, /* avoid dynamic calculation if in countdown mode OR if * all dynamic is disabled */ - rxval = txval = i40e_buildreg_itr(I40E_ITR_NONE, 0); + txval = i40e_buildreg_itr(I40E_ITR_NONE, 0); rx_itr_setting = get_rx_itr(vsi, idx); tx_itr_setting = get_tx_itr(vsi, idx); diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index 701b708628b0..1758dd3bf91b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -382,8 +382,7 @@ struct i40e_ring { * these values always store the USER setting, and must be converted * before programming to a register. */ - u16 rx_itr_setting; - u16 tx_itr_setting; + u16 itr_setting; u16 count; /* Number of descriptors */ u16 reg_idx; /* HW register index of the ring */ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 464200f48d91..291130af2985 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1475,14 +1475,14 @@ static inline int get_rx_itr(struct i40e_vsi *vsi, int idx) { struct i40evf_adapter *adapter = vsi->back; - return adapter->rx_rings[idx].rx_itr_setting; + return adapter->rx_rings[idx].itr_setting; } static inline int get_tx_itr(struct i40e_vsi *vsi, int idx) { struct i40evf_adapter *adapter = vsi->back; - return adapter->tx_rings[idx].tx_itr_setting; + return adapter->tx_rings[idx].itr_setting; } /** @@ -1503,7 +1503,7 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi, /* avoid dynamic calculation if in countdown mode OR if * all dynamic is disabled */ - rxval = txval = i40e_buildreg_itr(I40E_ITR_NONE, 0); + txval = i40e_buildreg_itr(I40E_ITR_NONE, 0); rx_itr_setting = get_rx_itr(vsi, idx); tx_itr_setting = get_tx_itr(vsi, idx); diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index 7798a6645c3f..038ed0e2acb7 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -362,8 +362,7 @@ struct i40e_ring { * these values always store the USER setting, and must be converted * before programming to a register. */ - u16 rx_itr_setting; - u16 tx_itr_setting; + u16 itr_setting; u16 count; /* Number of descriptors */ u16 reg_idx; /* HW register index of the ring */ diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index e2d8aa19d205..11dfdc882934 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -457,14 +457,14 @@ static int __i40evf_get_coalesce(struct net_device *netdev, rx_ring = &adapter->rx_rings[queue]; tx_ring = &adapter->tx_rings[queue]; - if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting)) + if (ITR_IS_DYNAMIC(rx_ring->itr_setting)) ec->use_adaptive_rx_coalesce = 1; - if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting)) + if (ITR_IS_DYNAMIC(tx_ring->itr_setting)) ec->use_adaptive_tx_coalesce = 1; - ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC; - ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC; + ec->rx_coalesce_usecs = rx_ring->itr_setting & ~I40E_ITR_DYNAMIC; + ec->tx_coalesce_usecs = tx_ring->itr_setting & ~I40E_ITR_DYNAMIC; return 0; } @@ -519,24 +519,24 @@ static void i40evf_set_itr_per_queue(struct i40evf_adapter *adapter, struct i40e_q_vector *q_vector; u16 vector; - rx_ring->rx_itr_setting = ec->rx_coalesce_usecs; - tx_ring->tx_itr_setting = ec->tx_coalesce_usecs; + rx_ring->itr_setting = ec->rx_coalesce_usecs; + tx_ring->itr_setting = ec->tx_coalesce_usecs; - rx_ring->rx_itr_setting |= I40E_ITR_DYNAMIC; + rx_ring->itr_setting |= I40E_ITR_DYNAMIC; if (!ec->use_adaptive_rx_coalesce) - rx_ring->rx_itr_setting ^= I40E_ITR_DYNAMIC; + rx_ring->itr_setting ^= I40E_ITR_DYNAMIC; - tx_ring->tx_itr_setting |= I40E_ITR_DYNAMIC; + tx_ring->itr_setting |= I40E_ITR_DYNAMIC; if (!ec->use_adaptive_tx_coalesce) - tx_ring->tx_itr_setting ^= I40E_ITR_DYNAMIC; + tx_ring->itr_setting ^= I40E_ITR_DYNAMIC; q_vector = rx_ring->q_vector; - q_vector->rx.itr = ITR_TO_REG(rx_ring->rx_itr_setting); + q_vector->rx.itr = ITR_TO_REG(rx_ring->itr_setting); vector = vsi->base_vector + q_vector->v_idx; wr32(hw, I40E_VFINT_ITRN1(I40E_RX_ITR, vector - 1), q_vector->rx.itr); q_vector = tx_ring->q_vector; - q_vector->tx.itr = ITR_TO_REG(tx_ring->tx_itr_setting); + q_vector->tx.itr = ITR_TO_REG(tx_ring->itr_setting); vector = vsi->base_vector + q_vector->v_idx; wr32(hw, I40E_VFINT_ITRN1(I40E_TX_ITR, vector - 1), q_vector->tx.itr); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 16989ad2ca90..a5fb540c2637 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -354,7 +354,7 @@ i40evf_map_vector_to_rxq(struct i40evf_adapter *adapter, int v_idx, int r_idx) q_vector->rx.ring = rx_ring; q_vector->rx.count++; q_vector->rx.latency_range = I40E_LOW_LATENCY; - q_vector->rx.itr = ITR_TO_REG(rx_ring->rx_itr_setting); + q_vector->rx.itr = ITR_TO_REG(rx_ring->itr_setting); q_vector->ring_mask |= BIT(r_idx); q_vector->itr_countdown = ITR_COUNTDOWN_START; wr32(hw, I40E_VFINT_ITRN1(I40E_RX_ITR, v_idx - 1), q_vector->rx.itr); @@ -379,7 +379,7 @@ i40evf_map_vector_to_txq(struct i40evf_adapter *adapter, int v_idx, int t_idx) q_vector->tx.ring = tx_ring; q_vector->tx.count++; q_vector->tx.latency_range = I40E_LOW_LATENCY; - q_vector->tx.itr = ITR_TO_REG(tx_ring->tx_itr_setting); + q_vector->tx.itr = ITR_TO_REG(tx_ring->itr_setting); q_vector->itr_countdown = ITR_COUNTDOWN_START; q_vector->num_ringpairs++; wr32(hw, I40E_VFINT_ITRN1(I40E_TX_ITR, v_idx - 1), q_vector->tx.itr); @@ -1169,7 +1169,7 @@ static int i40evf_alloc_queues(struct i40evf_adapter *adapter) tx_ring->netdev = adapter->netdev; tx_ring->dev = &adapter->pdev->dev; tx_ring->count = adapter->tx_desc_count; - tx_ring->tx_itr_setting = I40E_ITR_TX_DEF; + tx_ring->itr_setting = I40E_ITR_TX_DEF; if (adapter->flags & I40EVF_FLAG_WB_ON_ITR_CAPABLE) tx_ring->flags |= I40E_TXR_FLAGS_WB_ON_ITR; @@ -1178,7 +1178,7 @@ static int i40evf_alloc_queues(struct i40evf_adapter *adapter) rx_ring->netdev = adapter->netdev; rx_ring->dev = &adapter->pdev->dev; rx_ring->count = adapter->rx_desc_count; - rx_ring->rx_itr_setting = I40E_ITR_RX_DEF; + rx_ring->itr_setting = I40E_ITR_RX_DEF; } adapter->num_active_queues = num_active_queues; -- 2.14.3