diff options
Diffstat (limited to 'drivers/staging/fsl-dpaa2/ethsw/ethsw.h')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethsw/ethsw.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.h b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h index 50dd529e2a79..238f16561979 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.h +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h @@ -53,6 +53,19 @@ #define DPAA2_SWITCH_STORE_SIZE 16 +/* Buffer management */ +#define BUFS_PER_CMD 7 +#define DPAA2_ETHSW_NUM_BUFS (1024 * BUFS_PER_CMD) +#define DPAA2_ETHSW_REFILL_THRESH (DPAA2_ETHSW_NUM_BUFS * 5 / 6) + +/* Number of times to retry DPIO portal operations while waiting + * for portal to finish executing current command and become + * available. We want to avoid being stuck in a while loop in case + * hardware becomes unresponsive, but not give up too easily if + * the portal really is busy for valid reasons + */ +#define DPAA2_SWITCH_SWP_BUSY_RETRIES 1000 + extern const struct ethtool_ops dpaa2_switch_port_ethtool_ops; struct ethsw_core; @@ -62,6 +75,7 @@ struct dpaa2_switch_fq { enum dpsw_queue_type type; struct dpaa2_io_store *store; struct dpaa2_io_notification_ctx nctx; + struct napi_struct napi; u32 fqid; }; @@ -89,6 +103,7 @@ struct ethsw_core { unsigned long features; int dev_id; struct ethsw_port_priv **ports; + struct iommu_domain *iommu_domain; u8 vlans[VLAN_VID_MASK + 1]; @@ -99,7 +114,9 @@ struct ethsw_core { struct dpaa2_switch_fq fq[DPAA2_SWITCH_RX_NUM_FQS]; struct fsl_mc_device *dpbp_dev; + int buf_count; u16 bpid; + int napi_users; }; static inline bool dpaa2_switch_supports_cpu_traffic(struct ethsw_core *ethsw) |