[PATCH iwl-next v2 04/10] idpf: drop v_idx from q_vector structure
From: Michal Swiatkowski <hidden>
Date: 2026-09-11 13:29:56
Also in:
intel-wired-lan
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Storing another index related to irq in q_vector can be misleading. It is only used when matching q_vectors with queues. It can be obtained using 0-based software irq index. Use irq.index (from q_vector) and get the hardware irq index (q_vector->v_idx earlier) from irq_info structure. Reviewed-by: Larysa Zaremba <redacted> Reviewed-by: Aleksandr Loktionov <redacted> Signed-off-by: Michal Swiatkowski <redacted> --- drivers/net/ethernet/intel/idpf/idpf.h | 2 +- drivers/net/ethernet/intel/idpf/idpf_txrx.c | 4 +--- drivers/net/ethernet/intel/idpf/idpf_txrx.h | 5 +---- drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 11 +++++++---- 4 files changed, 10 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/intel/idpf/idpf.h b/drivers/net/ethernet/intel/idpf/idpf.h
index 86e5bb30ecc6..785d551c795d 100644
--- a/drivers/net/ethernet/intel/idpf/idpf.h
+++ b/drivers/net/ethernet/intel/idpf/idpf.h@@ -301,7 +301,7 @@ struct idpf_fsteer_fltr { * @q_vectors: array of queue vectors * @q_vector_idxs: starting index of queue vectors * @num_q_vectors: number of IRQ vectors allocated - * @noirq_v_idx: ID of the NOIRQ vector + * @noirq_v_idx: software IRQ index used to get hardware vector information * @noirq_dyn_ctl_ena: value to write to the above to enable it * @noirq_dyn_ctl: register to enable/disable the vector for NOIRQ queues * @txq_grps: array of TX queue groups
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index c75fc1fc4f64..2a3dd04ebe23 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c@@ -4511,8 +4511,6 @@ static int idpf_vport_intr_init_vec_idx(struct idpf_vport *vport, for (i = 0; i < rsrc->num_q_vectors; i++) { struct idpf_q_vector *q_vector = &rsrc->q_vectors[i]; - q_vector->v_idx = - adapter->irq_info.vectors[rsrc->q_vector_idxs[i]].idx; q_vector->irq.index = rsrc->q_vector_idxs[i]; q_vector->irq.virq = pci_irq_vector(adapter->pdev, q_vector->irq.index);
@@ -4520,7 +4518,7 @@ static int idpf_vport_intr_init_vec_idx(struct idpf_vport *vport, return q_vector->irq.virq; } - rsrc->noirq_v_idx = adapter->irq_info.vectors[rsrc->q_vector_idxs[i]].idx; + rsrc->noirq_v_idx = rsrc->q_vector_idxs[i]; return 0; }
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.h b/drivers/net/ethernet/intel/idpf/idpf_txrx.h
index 57e61936ffda..9a2e3665277f 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.h
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.h@@ -377,7 +377,6 @@ struct idpf_intr_reg { * @rx_itr_value: RX interrupt throttling rate * @rx_intr_mode: Dynamic ITR or not * @rx_itr_idx: RX ITR index - * @v_idx: Vector index * @irq: kernel and driver irq numbers */ struct idpf_q_vector {
@@ -418,15 +417,13 @@ struct idpf_q_vector { __cacheline_group_end_aligned(read_write); __cacheline_group_begin_aligned(cold); - u16 v_idx; - struct msi_map irq; __cacheline_group_end_aligned(cold); }; libeth_cacheline_set_assert(struct idpf_q_vector, 136, 56 + sizeof(struct napi_struct) + 2 * sizeof(struct dim), - 8 + sizeof(struct msi_map)); + sizeof(struct msi_map)); struct idpf_rx_queue_stats { u64_stats_t packets;
diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index 267ac9fa3846..90f3c40c7928 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c@@ -1848,12 +1848,14 @@ idpf_prep_map_unmap_queue_set_vector_msg(u32 vport_id, void *buf, * idpf_send_map_unmap_queue_set_vector_msg - send virtchnl map or unmap * queue set vector message * @qs: set of the queues to map or unmap + * @info: interrupts info to map software index to firmware one * @map: true for map and false for unmap * * Return: 0 on success, -errno on failure. */ static int idpf_send_map_unmap_queue_set_vector_msg(const struct idpf_queue_set *qs, + const struct idpf_irq_info *info, bool map) { struct virtchnl2_queue_vector *vqv __free(kfree) = NULL;
@@ -1893,7 +1895,7 @@ idpf_send_map_unmap_queue_set_vector_msg(const struct idpf_queue_set *qs, vec = q->rxq->q_vector; if (vec) { - v_idx = vec->v_idx; + v_idx = vec->irq.index; itr_idx = vec->rx_itr_idx; } else { v_idx = qs->qv_rsrc->noirq_v_idx;
@@ -1913,7 +1915,7 @@ idpf_send_map_unmap_queue_set_vector_msg(const struct idpf_queue_set *qs, vec = q->txq->q_vector; if (vec) { - v_idx = vec->v_idx; + v_idx = vec->irq.index; itr_idx = vec->tx_itr_idx; } else { v_idx = qs->qv_rsrc->noirq_v_idx;
@@ -1925,7 +1927,7 @@ idpf_send_map_unmap_queue_set_vector_msg(const struct idpf_queue_set *qs, } vqv[i].queue_id = cpu_to_le32(qid); - vqv[i].vector_id = cpu_to_le16(v_idx); + vqv[i].vector_id = cpu_to_le16(info->vectors[v_idx].idx); vqv[i].itr_idx = cpu_to_le32(itr_idx); }
@@ -1989,7 +1991,8 @@ int idpf_send_map_unmap_queue_vector_msg(struct idpf_adapter *adapter, if (k != num_q) return -EINVAL; - return idpf_send_map_unmap_queue_set_vector_msg(qs, map); + return idpf_send_map_unmap_queue_set_vector_msg(qs, &adapter->irq_info, + map); } /**
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2.49.0