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| author |   Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2015-09-06 02:18:51 -0400 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2015-10-05 11:19:01 -0700 |
| commit | 0c28c04500cf956c82d542c199f5bddabd590af3 (patch) | |
| tree | a3cb6c63606e5cf459bfd4f21783c24dc62fd949 /net/rds/ib.h | |
| parent | RDS: IB: ack more receive completions to improve performance (diff) | |
| download | linux-dev-0c28c04500cf956c82d542c199f5bddabd590af3.tar.xz linux-dev-0c28c04500cf956c82d542c199f5bddabd590af3.zip | |
RDS: IB: split send completion handling and do batch ack
Similar to what we did with receive CQ completion handling, we split
the transmit completion handler so that it lets us implement batched
work completion handling.
We re-use the cq_poll routine and makes use of RDS_IB_SEND_OP to
identify the send vs receive completion event handler invocation.
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Diffstat (limited to 'net/rds/ib.h')
| -rw-r--r-- | net/rds/ib.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h index 727759b30579..3a8cd31d4048 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -25,6 +25,7 @@ #define RDS_IB_RECYCLE_BATCH_COUNT 32 #define RDS_IB_WC_MAX 32 +#define RDS_IB_SEND_OP BIT_ULL(63) extern struct rw_semaphore rds_ib_devices_lock; extern struct list_head rds_ib_devices; @@ -118,9 +119,11 @@ struct rds_ib_connection { struct ib_pd *i_pd; struct ib_cq *i_send_cq; struct ib_cq *i_recv_cq; + struct ib_wc i_send_wc[RDS_IB_WC_MAX]; struct ib_wc i_recv_wc[RDS_IB_WC_MAX]; /* interrupt handling */ + struct tasklet_struct i_send_tasklet; struct tasklet_struct i_recv_tasklet; /* tx */ @@ -217,7 +220,6 @@ struct rds_ib_device { struct rds_ib_statistics { uint64_t s_ib_connect_raced; uint64_t s_ib_listen_closed_stale; - uint64_t s_ib_tx_cq_call; uint64_t s_ib_evt_handler_call; uint64_t s_ib_tasklet_call; uint64_t s_ib_tx_cq_event; @@ -371,7 +373,7 @@ extern wait_queue_head_t rds_ib_ring_empty_wait; void rds_ib_xmit_complete(struct rds_connection *conn); int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, unsigned int hdr_off, unsigned int sg, unsigned int off); -void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context); +void rds_ib_send_cqe_handler(struct rds_ib_connection *ic, struct ib_wc *wc); void rds_ib_send_init_ring(struct rds_ib_connection *ic); void rds_ib_send_clear_ring(struct rds_ib_connection *ic); int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op); |