From c49172f7a8cf0afd94aec04a6db6145e6360547d Mon Sep 17 00:00:00 2001 From: Alexey Kodanev Date: Mon, 26 Feb 2024 13:21:02 +0000 Subject: [PATCH 1/3] iavf: drop duplicate iavf_{add|del}_cloud_filter() calls There are currently two pairs of identical checks and calls to iavf_{add|del}_cloud_filter(). Detected using the static analysis tool - Svace. Signed-off-by: Alexey Kodanev Reviewed-by: Ahmed Zaki Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/iavf/iavf_main.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index aefec6bd3b67..ef2440f3abf8 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -2170,19 +2170,10 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) iavf_add_cloud_filter(adapter); return 0; } - if (adapter->aq_required & IAVF_FLAG_AQ_DEL_CLOUD_FILTER) { iavf_del_cloud_filter(adapter); return 0; } - if (adapter->aq_required & IAVF_FLAG_AQ_DEL_CLOUD_FILTER) { - iavf_del_cloud_filter(adapter); - return 0; - } - if (adapter->aq_required & IAVF_FLAG_AQ_ADD_CLOUD_FILTER) { - iavf_add_cloud_filter(adapter); - return 0; - } if (adapter->aq_required & IAVF_FLAG_AQ_ADD_FDIR_FILTER) { iavf_add_fdir_filter(adapter); return IAVF_SUCCESS; From 60e4caf36b882950e01f99b54ebcdb8e11052f7b Mon Sep 17 00:00:00 2001 From: Alexey Kodanev Date: Mon, 26 Feb 2024 13:21:03 +0000 Subject: [PATCH 2/3] i40e: remove unnecessary qv_info ptr NULL checks The "qv_info" ptr cannot be NULL when it gets the address of an element of the flexible array "qvlist_info->qv_info". Detected using the static analysis tool - Svace. Signed-off-by: Alexey Kodanev Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_client.c | 4 ---- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 4 ---- 2 files changed, 8 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c index 306758428aef..b32071ee84af 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_client.c +++ b/drivers/net/ethernet/intel/i40e/i40e_client.c @@ -148,8 +148,6 @@ static void i40e_client_release_qvlist(struct i40e_info *ldev) u32 reg_idx; qv_info = &qvlist_info->qv_info[i]; - if (!qv_info) - continue; reg_idx = I40E_PFINT_LNKLSTN(qv_info->v_idx - 1); wr32(&pf->hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK); } @@ -576,8 +574,6 @@ static int i40e_client_setup_qvlist(struct i40e_info *ldev, for (i = 0; i < qvlist_info->num_vectors; i++) { qv_info = &qvlist_info->qv_info[i]; - if (!qv_info) - continue; v_idx = qv_info->v_idx; /* Validate vector id belongs to this client */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index b34c71770887..83a34e98bdc7 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -491,8 +491,6 @@ static void i40e_release_rdma_qvlist(struct i40e_vf *vf) u32 v_idx, reg_idx, reg; qv_info = &qvlist_info->qv_info[i]; - if (!qv_info) - continue; v_idx = qv_info->v_idx; if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) { /* Figure out the queue after CEQ and make that the @@ -562,8 +560,6 @@ i40e_config_rdma_qvlist(struct i40e_vf *vf, msix_vf = pf->hw.func_caps.num_msix_vectors_vf; for (i = 0; i < qvlist_info->num_vectors; i++) { qv_info = &qvlist_info->qv_info[i]; - if (!qv_info) - continue; /* Validate vector id belongs to this vf */ if (!i40e_vc_isvalid_vector_id(vf, qv_info->v_idx)) { From 836aeaf73aa17daa3f590c7d704d1bdfee722099 Mon Sep 17 00:00:00 2001 From: Maciej Fijalkowski Date: Fri, 23 Feb 2024 17:06:29 +0100 Subject: [PATCH 3/3] ixgbe: pull out stats update to common routines Introduce ixgbe_update_{r,t}x_ring_stats() that will be used by both standard and ZC datapath. Signed-off-by: Maciej Fijalkowski Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 54 ++++++++++++++----- .../ethernet/intel/ixgbe/ixgbe_txrx_common.h | 7 +++ drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c | 17 ++---- 3 files changed, 53 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 595098a4c488..2e352bfcc401 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1105,6 +1105,44 @@ static int ixgbe_tx_maxrate(struct net_device *netdev, return 0; } +/** + * ixgbe_update_tx_ring_stats - Update Tx ring specific counters + * @tx_ring: ring to update + * @q_vector: queue vector ring belongs to + * @pkts: number of processed packets + * @bytes: number of processed bytes + */ +void ixgbe_update_tx_ring_stats(struct ixgbe_ring *tx_ring, + struct ixgbe_q_vector *q_vector, u64 pkts, + u64 bytes) +{ + u64_stats_update_begin(&tx_ring->syncp); + tx_ring->stats.bytes += bytes; + tx_ring->stats.packets += pkts; + u64_stats_update_end(&tx_ring->syncp); + q_vector->tx.total_bytes += bytes; + q_vector->tx.total_packets += pkts; +} + +/** + * ixgbe_update_rx_ring_stats - Update Rx ring specific counters + * @rx_ring: ring to update + * @q_vector: queue vector ring belongs to + * @pkts: number of processed packets + * @bytes: number of processed bytes + */ +void ixgbe_update_rx_ring_stats(struct ixgbe_ring *rx_ring, + struct ixgbe_q_vector *q_vector, u64 pkts, + u64 bytes) +{ + u64_stats_update_begin(&rx_ring->syncp); + rx_ring->stats.bytes += bytes; + rx_ring->stats.packets += pkts; + u64_stats_update_end(&rx_ring->syncp); + q_vector->rx.total_bytes += bytes; + q_vector->rx.total_packets += pkts; +} + /** * ixgbe_clean_tx_irq - Reclaim resources after transmit completes * @q_vector: structure containing interrupt and ring information @@ -1207,12 +1245,8 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, i += tx_ring->count; tx_ring->next_to_clean = i; - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->stats.bytes += total_bytes; - tx_ring->stats.packets += total_packets; - u64_stats_update_end(&tx_ring->syncp); - q_vector->tx.total_bytes += total_bytes; - q_vector->tx.total_packets += total_packets; + ixgbe_update_tx_ring_stats(tx_ring, q_vector, total_packets, + total_bytes); adapter->tx_ipsec += total_ipsec; if (check_for_tx_hang(tx_ring) && ixgbe_check_tx_hang(tx_ring)) { @@ -2429,12 +2463,8 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, ixgbe_xdp_ring_update_tail_locked(ring); } - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->stats.packets += total_rx_packets; - rx_ring->stats.bytes += total_rx_bytes; - u64_stats_update_end(&rx_ring->syncp); - q_vector->rx.total_packets += total_rx_packets; - q_vector->rx.total_bytes += total_rx_bytes; + ixgbe_update_rx_ring_stats(rx_ring, q_vector, total_rx_packets, + total_rx_bytes); return total_rx_packets; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h index f1f69ce67420..78deea5ec536 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h @@ -46,4 +46,11 @@ bool ixgbe_clean_xdp_tx_irq(struct ixgbe_q_vector *q_vector, int ixgbe_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags); void ixgbe_xsk_clean_tx_ring(struct ixgbe_ring *tx_ring); +void ixgbe_update_tx_ring_stats(struct ixgbe_ring *tx_ring, + struct ixgbe_q_vector *q_vector, u64 pkts, + u64 bytes); +void ixgbe_update_rx_ring_stats(struct ixgbe_ring *rx_ring, + struct ixgbe_q_vector *q_vector, u64 pkts, + u64 bytes); + #endif /* #define _IXGBE_TXRX_COMMON_H_ */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c index 59798bc33298..d34d715c59eb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c @@ -359,12 +359,8 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector, ixgbe_xdp_ring_update_tail_locked(ring); } - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->stats.packets += total_rx_packets; - rx_ring->stats.bytes += total_rx_bytes; - u64_stats_update_end(&rx_ring->syncp); - q_vector->rx.total_packets += total_rx_packets; - q_vector->rx.total_bytes += total_rx_bytes; + ixgbe_update_rx_ring_stats(rx_ring, q_vector, total_rx_packets, + total_rx_bytes); if (xsk_uses_need_wakeup(rx_ring->xsk_pool)) { if (failure || rx_ring->next_to_clean == rx_ring->next_to_use) @@ -499,13 +495,8 @@ bool ixgbe_clean_xdp_tx_irq(struct ixgbe_q_vector *q_vector, } tx_ring->next_to_clean = ntc; - - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->stats.bytes += total_bytes; - tx_ring->stats.packets += total_packets; - u64_stats_update_end(&tx_ring->syncp); - q_vector->tx.total_bytes += total_bytes; - q_vector->tx.total_packets += total_packets; + ixgbe_update_tx_ring_stats(tx_ring, q_vector, total_packets, + total_bytes); if (xsk_frames) xsk_tx_completed(pool, xsk_frames);