diff options
Diffstat (limited to 'drivers/s390/net/qeth_core.h')
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index a0911ce55db3..ae2ae17e3e76 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -22,6 +22,7 @@ #include <linux/hashtable.h> #include <linux/ip.h> #include <linux/refcount.h> +#include <linux/timer.h> #include <linux/wait.h> #include <linux/workqueue.h> @@ -474,6 +475,8 @@ struct qeth_out_q_stats { u64 tso_bytes; u64 packing_mode_switch; u64 stopped; + u64 completion_yield; + u64 completion_timer; /* rtnl_link_stats64 */ u64 tx_packets; @@ -482,6 +485,8 @@ struct qeth_out_q_stats { u64 tx_dropped; }; +#define QETH_TX_TIMER_USECS 500 + struct qeth_qdio_out_q { struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; @@ -500,13 +505,34 @@ struct qeth_qdio_out_q { atomic_t used_buffers; /* indicates whether PCI flag must be set (or if one is outstanding) */ atomic_t set_pci_flags_count; + struct napi_struct napi; + struct timer_list timer; }; +#define qeth_for_each_output_queue(card, q, i) \ + for (i = 0; i < card->qdio.no_out_queues && \ + (q = card->qdio.out_qs[i]); i++) + +#define qeth_napi_to_out_queue(n) container_of(n, struct qeth_qdio_out_q, napi) + +static inline void qeth_tx_arm_timer(struct qeth_qdio_out_q *queue) +{ + if (timer_pending(&queue->timer)) + return; + mod_timer(&queue->timer, usecs_to_jiffies(QETH_TX_TIMER_USECS) + + jiffies); +} + static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue) { return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q; } +static inline bool qeth_out_queue_is_empty(struct qeth_qdio_out_q *queue) +{ + return atomic_read(&queue->used_buffers) == 0; +} + struct qeth_qdio_info { atomic_t state; /* input */ |