diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 7994451111445..ec18fe0c21172 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -80,18 +80,9 @@ struct mlxsw_pci_queue { enum mlxsw_pci_queue_type type; struct tasklet_struct tasklet; /* queue processing tasklet */ struct mlxsw_pci *pci; - union { - struct { - u32 comp_sdq_count; - u32 comp_rdq_count; - enum mlxsw_pci_cqe_v v; - } cq; - struct { - u32 ev_cmd_count; - u32 ev_comp_count; - u32 ev_other_count; - } eq; - } u; + struct { + enum mlxsw_pci_cqe_v v; + } cq; }; struct mlxsw_pci_queue_type_group { @@ -462,12 +453,12 @@ static void mlxsw_pci_rdq_fini(struct mlxsw_pci *mlxsw_pci, static void mlxsw_pci_cq_pre_init(struct mlxsw_pci *mlxsw_pci, struct mlxsw_pci_queue *q) { - q->u.cq.v = mlxsw_pci->max_cqe_ver; + q->cq.v = mlxsw_pci->max_cqe_ver; - if (q->u.cq.v == MLXSW_PCI_CQE_V2 && + if (q->cq.v == MLXSW_PCI_CQE_V2 && q->num < mlxsw_pci->num_sdq_cqs && !mlxsw_core_sdq_supports_cqe_v2(mlxsw_pci->core)) - q->u.cq.v = MLXSW_PCI_CQE_V1; + q->cq.v = MLXSW_PCI_CQE_V1; } static unsigned int mlxsw_pci_read32_off(struct mlxsw_pci *mlxsw_pci, @@ -663,7 +654,7 @@ static char *mlxsw_pci_cq_sw_cqe_get(struct mlxsw_pci_queue *q) elem_info = mlxsw_pci_queue_elem_info_consumer_get(q); elem = elem_info->elem; - owner_bit = mlxsw_pci_cqe_owner_get(q->u.cq.v, elem); + owner_bit = mlxsw_pci_cqe_owner_get(q->cq.v, elem); if (mlxsw_pci_elem_hw_owned(q, owner_bit)) return NULL; q->consumer_counter++; @@ -681,8 +672,8 @@ static void mlxsw_pci_cq_tasklet(struct tasklet_struct *t) while ((cqe = mlxsw_pci_cq_sw_cqe_get(q))) { u16 wqe_counter = mlxsw_pci_cqe_wqe_counter_get(cqe); - u8 sendq = mlxsw_pci_cqe_sr_get(q->u.cq.v, cqe); - u8 dqn = mlxsw_pci_cqe_dqn_get(q->u.cq.v, cqe); + u8 sendq = mlxsw_pci_cqe_sr_get(q->cq.v, cqe); + u8 dqn = mlxsw_pci_cqe_dqn_get(q->cq.v, cqe); char ncqe[MLXSW_PCI_CQE_SIZE_MAX]; memcpy(ncqe, cqe, q->elem_size); @@ -693,15 +684,13 @@ static void mlxsw_pci_cq_tasklet(struct tasklet_struct *t) sdq = mlxsw_pci_sdq_get(mlxsw_pci, dqn); mlxsw_pci_cqe_sdq_handle(mlxsw_pci, sdq, - wqe_counter, q->u.cq.v, ncqe); - q->u.cq.comp_sdq_count++; + wqe_counter, q->cq.v, ncqe); } else { struct mlxsw_pci_queue *rdq; rdq = mlxsw_pci_rdq_get(mlxsw_pci, dqn); mlxsw_pci_cqe_rdq_handle(mlxsw_pci, rdq, - wqe_counter, q->u.cq.v, ncqe); - q->u.cq.comp_rdq_count++; + wqe_counter, q->cq.v, ncqe); } if (++items == credits) break; @@ -721,13 +710,13 @@ static int mlxsw_pci_cq_init(struct mlxsw_pci *mlxsw_pci, char *mbox, for (i = 0; i < q->count; i++) { char *elem = mlxsw_pci_queue_elem_get(q, i); - mlxsw_pci_cqe_owner_set(q->u.cq.v, elem, 1); + mlxsw_pci_cqe_owner_set(q->cq.v, elem, 1); } - if (q->u.cq.v == MLXSW_PCI_CQE_V1) + if (q->cq.v == MLXSW_PCI_CQE_V1) mlxsw_cmd_mbox_sw2hw_cq_cqe_ver_set(mbox, MLXSW_CMD_MBOX_SW2HW_CQ_CQE_VER_1); - else if (q->u.cq.v == MLXSW_PCI_CQE_V2) + else if (q->cq.v == MLXSW_PCI_CQE_V2) mlxsw_cmd_mbox_sw2hw_cq_cqe_ver_set(mbox, MLXSW_CMD_MBOX_SW2HW_CQ_CQE_VER_2); @@ -756,13 +745,13 @@ static void mlxsw_pci_cq_fini(struct mlxsw_pci *mlxsw_pci, static u16 mlxsw_pci_cq_elem_count(const struct mlxsw_pci_queue *q) { - return q->u.cq.v == MLXSW_PCI_CQE_V2 ? MLXSW_PCI_CQE2_COUNT : - MLXSW_PCI_CQE01_COUNT; + return q->cq.v == MLXSW_PCI_CQE_V2 ? MLXSW_PCI_CQE2_COUNT : + MLXSW_PCI_CQE01_COUNT; } static u8 mlxsw_pci_cq_elem_size(const struct mlxsw_pci_queue *q) { - return q->u.cq.v == MLXSW_PCI_CQE_V2 ? MLXSW_PCI_CQE2_SIZE : + return q->cq.v == MLXSW_PCI_CQE_V2 ? MLXSW_PCI_CQE2_SIZE : MLXSW_PCI_CQE01_SIZE; } @@ -815,16 +804,14 @@ static void mlxsw_pci_eq_tasklet(struct tasklet_struct *t) switch (q->num) { case MLXSW_PCI_EQ_ASYNC_NUM: mlxsw_pci_eq_cmd_event(mlxsw_pci, eqe); - q->u.eq.ev_cmd_count++; break; case MLXSW_PCI_EQ_COMP_NUM: cqn = mlxsw_pci_eqe_cqn_get(eqe); set_bit(cqn, active_cqns); cq_handle = true; - q->u.eq.ev_comp_count++; break; default: - q->u.eq.ev_other_count++; + WARN_ON_ONCE(1); } if (++items == credits) break;