diff options
Diffstat (limited to 'net/rds/rds.h')
| -rw-r--r-- | net/rds/rds.h | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h index ebbf909b87ec..82d38ccf5e8b 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -50,6 +50,9 @@ void rdsdebug(char *fmt, ...) #define RDS_FRAG_SHIFT 12 #define RDS_FRAG_SIZE ((unsigned int)(1 << RDS_FRAG_SHIFT)) +/* Used to limit both RDMA and non-RDMA RDS message to 1MB */ +#define RDS_MAX_MSG_SIZE ((unsigned int)(1 << 20)) + #define RDS_CONG_MAP_BYTES (65536 / 8) #define RDS_CONG_MAP_PAGES (PAGE_ALIGN(RDS_CONG_MAP_BYTES) / PAGE_SIZE) #define RDS_CONG_MAP_PAGE_BITS (PAGE_SIZE * 8) @@ -144,7 +147,7 @@ struct rds_connection { /* Protocol version */ unsigned int c_version; - possible_net_t c_net; + struct net *c_net; struct list_head c_map_item; unsigned long c_map_queued; @@ -159,13 +162,13 @@ struct rds_connection { static inline struct net *rds_conn_net(struct rds_connection *conn) { - return read_pnet(&conn->c_net); + return conn->c_net; } static inline void rds_conn_net_set(struct rds_connection *conn, struct net *net) { - write_pnet(&conn->c_net, net); + conn->c_net = get_net(net); } #define RDS_FLAG_CONG_BITMAP 0x01 @@ -250,6 +253,11 @@ struct rds_ext_header_rdma_dest { #define RDS_EXTHDR_GEN_NUM 6 #define __RDS_EXTHDR_MAX 16 /* for now */ +#define RDS_RX_MAX_TRACES (RDS_MSG_RX_DGRAM_TRACE_MAX + 1) +#define RDS_MSG_RX_HDR 0 +#define RDS_MSG_RX_START 1 +#define RDS_MSG_RX_END 2 +#define RDS_MSG_RX_CMSG 3 struct rds_incoming { atomic_t i_refcount; @@ -262,6 +270,7 @@ struct rds_incoming { rds_rdma_cookie_t i_rdma_cookie; struct timeval i_rx_tstamp; + u64 i_rx_lat_trace[RDS_RX_MAX_TRACES]; }; struct rds_mr { @@ -419,6 +428,7 @@ struct rds_message { } rdma; struct rm_data_op { unsigned int op_active:1; + unsigned int op_notify:1; unsigned int op_nents; unsigned int op_count; unsigned int op_dmasg; @@ -571,6 +581,10 @@ struct rds_sock { unsigned char rs_recverr, rs_cong_monitor; u32 rs_hash_initval; + + /* Socket receive path trace points*/ + u8 rs_rx_traces; + u8 rs_rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX]; }; static inline struct rds_sock *rds_sk_to_rs(const struct sock *sk) @@ -630,6 +644,9 @@ struct rds_statistics { uint64_t s_cong_update_received; uint64_t s_cong_send_error; uint64_t s_cong_send_blocked; + uint64_t s_recv_bytes_added_to_socket; + uint64_t s_recv_bytes_removed_from_socket; + }; /* af_rds.c */ @@ -781,13 +798,6 @@ static inline int rds_message_verify_checksum(const struct rds_header *hdr) /* page.c */ int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes, gfp_t gfp); -int rds_page_copy_user(struct page *page, unsigned long offset, - void __user *ptr, unsigned long bytes, - int to_user); -#define rds_page_copy_to_user(page, offset, ptr, bytes) \ - rds_page_copy_user(page, offset, ptr, bytes, 1) -#define rds_page_copy_from_user(page, offset, ptr, bytes) \ - rds_page_copy_user(page, offset, ptr, bytes, 0) void rds_page_exit(void); /* recv.c */ @@ -893,7 +903,7 @@ void rds_connect_path_complete(struct rds_conn_path *conn, int curr); void rds_connect_complete(struct rds_connection *conn); /* transport.c */ -int rds_trans_register(struct rds_transport *trans); +void rds_trans_register(struct rds_transport *trans); void rds_trans_unregister(struct rds_transport *trans); struct rds_transport *rds_trans_get_preferred(struct net *net, __be32 addr); void rds_trans_put(struct rds_transport *trans); |