diff options
Diffstat (limited to 'net/rds/ib.h')
| -rw-r--r-- | net/rds/ib.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h index 9bb7a7412a44..2efd9d11e7d4 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -21,6 +21,8 @@ #define RDS_IB_SUPPORTED_PROTOCOLS 0x00000003 /* minor versions supported */ +#define RDS_IB_RECYCLE_BATCH_COUNT 32 + extern struct list_head rds_ib_devices; /* @@ -30,14 +32,27 @@ extern struct list_head rds_ib_devices; */ struct rds_page_frag { struct list_head f_item; + struct list_head f_cache_entry; struct scatterlist f_sg; }; struct rds_ib_incoming { struct list_head ii_frags; + struct list_head ii_cache_entry; struct rds_incoming ii_inc; }; +struct rds_ib_cache_head { + struct list_head *first; + unsigned long count; +}; + +struct rds_ib_refill_cache { + struct rds_ib_cache_head *percpu; + struct list_head *xfer; + struct list_head *ready; +}; + struct rds_ib_connect_private { /* Add new fields at the end, and don't permute existing fields. */ __be32 dp_saddr; @@ -104,6 +119,8 @@ struct rds_ib_connection { u64 i_recv_hdrs_dma; struct rds_ib_recv_work *i_recvs; u64 i_ack_recv; /* last ACK received */ + struct rds_ib_refill_cache i_cache_incs; + struct rds_ib_refill_cache i_cache_frags; /* sending acks */ unsigned long i_ack_flags; @@ -304,6 +321,8 @@ void rds_ib_flush_mrs(void); int __init rds_ib_recv_init(void); void rds_ib_recv_exit(void); int rds_ib_recv(struct rds_connection *conn); +int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic); +void rds_ib_recv_free_caches(struct rds_ib_connection *ic); int rds_ib_recv_refill(struct rds_connection *conn, int prefill); void rds_ib_inc_free(struct rds_incoming *inc); int rds_ib_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov, |