diff options
Diffstat (limited to 'drivers/net/ethernet/intel/idpf/idpf_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/idpf/idpf_txrx.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.h b/drivers/net/ethernet/intel/idpf/idpf_txrx.h index 33305de06975..f0537826f840 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_txrx.h +++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.h @@ -349,9 +349,11 @@ struct idpf_vec_regs { * struct idpf_intr_reg * @dyn_ctl: Dynamic control interrupt register * @dyn_ctl_intena_m: Mask for dyn_ctl interrupt enable + * @dyn_ctl_intena_msk_m: Mask for dyn_ctl interrupt enable mask * @dyn_ctl_itridx_s: Register bit offset for ITR index * @dyn_ctl_itridx_m: Mask for ITR index * @dyn_ctl_intrvl_s: Register bit offset for ITR interval + * @dyn_ctl_wb_on_itr_m: Mask for WB on ITR feature * @rx_itr: RX ITR register * @tx_itr: TX ITR register * @icr_ena: Interrupt cause register offset @@ -360,9 +362,11 @@ struct idpf_vec_regs { struct idpf_intr_reg { void __iomem *dyn_ctl; u32 dyn_ctl_intena_m; + u32 dyn_ctl_intena_msk_m; u32 dyn_ctl_itridx_s; u32 dyn_ctl_itridx_m; u32 dyn_ctl_intrvl_s; + u32 dyn_ctl_wb_on_itr_m; void __iomem *rx_itr; void __iomem *tx_itr; void __iomem *icr_ena; @@ -383,6 +387,7 @@ struct idpf_intr_reg { * @intr_reg: See struct idpf_intr_reg * @napi: napi handler * @total_events: Number of interrupts processed + * @wb_on_itr: whether WB on ITR is enabled * @tx_dim: Data for TX net_dim algorithm * @tx_itr_value: TX interrupt throttling rate * @tx_intr_mode: Dynamic ITR or not @@ -413,6 +418,7 @@ struct idpf_q_vector { __cacheline_group_begin_aligned(read_write); struct napi_struct napi; u16 total_events; + bool wb_on_itr; struct dim tx_dim; u16 tx_itr_value; @@ -431,7 +437,7 @@ struct idpf_q_vector { cpumask_var_t affinity_mask; __cacheline_group_end_aligned(cold); }; -libeth_cacheline_set_assert(struct idpf_q_vector, 104, +libeth_cacheline_set_assert(struct idpf_q_vector, 112, 424 + 2 * sizeof(struct dim), 8 + sizeof(cpumask_var_t)); @@ -987,6 +993,25 @@ static inline void idpf_tx_splitq_build_desc(union idpf_tx_flex_desc *desc, idpf_tx_splitq_build_flow_desc(desc, params, td_cmd, size); } +/** + * idpf_vport_intr_set_wb_on_itr - enable descriptor writeback on disabled interrupts + * @q_vector: pointer to queue vector struct + */ +static inline void idpf_vport_intr_set_wb_on_itr(struct idpf_q_vector *q_vector) +{ + struct idpf_intr_reg *reg; + + if (q_vector->wb_on_itr) + return; + + q_vector->wb_on_itr = true; + reg = &q_vector->intr_reg; + + writel(reg->dyn_ctl_wb_on_itr_m | reg->dyn_ctl_intena_msk_m | + (IDPF_NO_ITR_UPDATE_IDX << reg->dyn_ctl_itridx_s), + reg->dyn_ctl); +} + int idpf_vport_singleq_napi_poll(struct napi_struct *napi, int budget); void idpf_vport_init_num_qs(struct idpf_vport *vport, struct virtchnl2_create_vport *vport_msg); |