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-rw-r--r--net/rds/ib.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h
index f2b558e8b5ea..6e6f24753998 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -165,8 +165,8 @@ struct rds_ib_connection {
/* tx */
struct rds_ib_work_ring i_send_ring;
struct rm_data_op *i_data_op;
- struct rds_header *i_send_hdrs;
- dma_addr_t i_send_hdrs_dma;
+ struct rds_header **i_send_hdrs;
+ dma_addr_t *i_send_hdrs_dma;
struct rds_ib_send_work *i_sends;
atomic_t i_signaled_sends;
@@ -175,8 +175,8 @@ struct rds_ib_connection {
struct rds_ib_work_ring i_recv_ring;
struct rds_ib_incoming *i_ibinc;
u32 i_recv_data_rem;
- struct rds_header *i_recv_hdrs;
- dma_addr_t i_recv_hdrs_dma;
+ struct rds_header **i_recv_hdrs;
+ dma_addr_t *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;
@@ -246,6 +246,7 @@ struct rds_ib_device {
struct list_head conn_list;
struct ib_device *dev;
struct ib_pd *pd;
+ struct dma_pool *rid_hdrs_pool; /* RDS headers DMA pool */
bool use_fastreg;
unsigned int max_mrs;
@@ -381,7 +382,11 @@ int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
int rds_ib_cm_initiate_connect(struct rdma_cm_id *cm_id, bool isv6);
void rds_ib_cm_connect_complete(struct rds_connection *conn,
struct rdma_cm_event *event);
-
+struct rds_header **rds_dma_hdrs_alloc(struct ib_device *ibdev,
+ struct dma_pool *pool,
+ dma_addr_t **dma_addrs, u32 num_hdrs);
+void rds_dma_hdrs_free(struct dma_pool *pool, struct rds_header **hdrs,
+ dma_addr_t *dma_addrs, u32 num_hdrs);
#define rds_ib_conn_error(conn, fmt...) \
__rds_ib_conn_error(conn, KERN_WARNING "RDS/IB: " fmt)