diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.h')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index ec8d06ad4192..d897048ae77f 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -6,6 +6,55 @@ #include <linux/pci.h> +#define IONIC_ADMINQ_LENGTH 16 /* must be a power of two */ + +#define IONIC_MAX_NUM_NAPI_CNTR (NAPI_POLL_WEIGHT + 1) +#define IONIC_MAX_NUM_SG_CNTR (IONIC_TX_MAX_SG_ELEMS + 1) + +struct ionic_tx_stats { + u64 pkts; + u64 bytes; +}; + +struct ionic_rx_stats { + u64 pkts; + u64 bytes; +}; + +#define IONIC_QCQ_F_INITED BIT(0) +#define IONIC_QCQ_F_SG BIT(1) +#define IONIC_QCQ_F_INTR BIT(2) + +struct ionic_napi_stats { + u64 poll_count; + u64 work_done_cntr[IONIC_MAX_NUM_NAPI_CNTR]; +}; + +struct ionic_q_stats { + union { + struct ionic_tx_stats tx; + struct ionic_rx_stats rx; + }; +}; + +struct ionic_qcq { + void *base; + dma_addr_t base_pa; + unsigned int total_size; + struct ionic_queue q; + struct ionic_cq cq; + struct ionic_intr_info intr; + struct napi_struct napi; + struct ionic_napi_stats napi_stats; + struct ionic_q_stats *stats; + unsigned int flags; + struct dentry *dentry; +}; + +#define q_to_qcq(q) container_of(q, struct ionic_qcq, q) +#define napi_to_qcq(napi) container_of(napi, struct ionic_qcq, napi) +#define napi_to_cq(napi) (&napi_to_qcq(napi)->cq) + enum ionic_lif_state_flags { IONIC_LIF_INITED, @@ -25,6 +74,8 @@ struct ionic_lif { unsigned int hw_index; unsigned int kern_pid; u64 __iomem *kern_dbpage; + spinlock_t adminq_lock; /* lock for AdminQ operations */ + struct ionic_qcq *adminqcq; unsigned int neqs; unsigned int nxqs; @@ -46,4 +97,20 @@ int ionic_lif_identify(struct ionic *ionic, u8 lif_type, union ionic_lif_identity *lif_ident); int ionic_lifs_size(struct ionic *ionic); +static inline void debug_stats_napi_poll(struct ionic_qcq *qcq, + unsigned int work_done) +{ + qcq->napi_stats.poll_count++; + + if (work_done > (IONIC_MAX_NUM_NAPI_CNTR - 1)) + work_done = IONIC_MAX_NUM_NAPI_CNTR - 1; + + qcq->napi_stats.work_done_cntr[work_done]++; +} + +#define DEBUG_STATS_CQE_CNT(cq) ((cq)->compl_count++) +#define DEBUG_STATS_INTR_REARM(intr) ((intr)->rearm_count++) +#define DEBUG_STATS_NAPI_POLL(qcq, work_done) \ + debug_stats_napi_poll(qcq, work_done) + #endif /* _IONIC_LIF_H_ */ |