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Diffstat (limited to 'net/rds/rds.h')
-rw-r--r--net/rds/rds.h17
1 files changed, 10 insertions, 7 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 82d38ccf5e8b..516bcc89b46f 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -8,6 +8,7 @@
#include <linux/mutex.h>
#include <linux/rds.h>
#include <linux/rhashtable.h>
+#include <linux/refcount.h>
#include "info.h"
@@ -92,6 +93,8 @@ enum {
#define RDS_MPATH_HASH(rs, n) (jhash_1word((rs)->rs_bound_port, \
(rs)->rs_hash_initval) & ((n) - 1))
+#define IS_CANONICAL(laddr, faddr) (htonl(laddr) < htonl(faddr))
+
/* Per mpath connection state */
struct rds_conn_path {
struct rds_connection *cp_conn;
@@ -125,8 +128,6 @@ struct rds_conn_path {
unsigned int cp_unacked_packets;
unsigned int cp_unacked_bytes;
- unsigned int cp_outgoing:1,
- cp_pad_to_32:31;
unsigned int cp_index;
};
@@ -137,7 +138,8 @@ struct rds_connection {
__be32 c_faddr;
unsigned int c_loopback:1,
c_ping_triggered:1,
- c_pad_to_32:30;
+ c_destroy_in_prog:1,
+ c_pad_to_32:29;
int c_npaths;
struct rds_connection *c_passive;
struct rds_transport *c_trans;
@@ -260,7 +262,7 @@ struct rds_ext_header_rdma_dest {
#define RDS_MSG_RX_CMSG 3
struct rds_incoming {
- atomic_t i_refcount;
+ refcount_t i_refcount;
struct list_head i_item;
struct rds_connection *i_conn;
struct rds_conn_path *i_conn_path;
@@ -275,7 +277,7 @@ struct rds_incoming {
struct rds_mr {
struct rb_node r_rb_node;
- atomic_t r_refcount;
+ refcount_t r_refcount;
u32 r_key;
/* A copy of the creation flags */
@@ -354,7 +356,7 @@ static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie)
#define RDS_MSG_FLUSH 8
struct rds_message {
- atomic_t m_refcount;
+ refcount_t m_refcount;
struct list_head m_sock_item;
struct list_head m_conn_item;
struct rds_incoming m_inc;
@@ -827,6 +829,7 @@ void rds_send_drop_acked(struct rds_connection *conn, u64 ack,
is_acked_func is_acked);
void rds_send_path_drop_acked(struct rds_conn_path *cp, u64 ack,
is_acked_func is_acked);
+void rds_send_ping(struct rds_connection *conn, int cp_index);
int rds_send_pong(struct rds_conn_path *cp, __be16 dport);
/* rdma.c */
@@ -854,7 +857,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm,
void __rds_put_mr_final(struct rds_mr *mr);
static inline void rds_mr_put(struct rds_mr *mr)
{
- if (atomic_dec_and_test(&mr->r_refcount))
+ if (refcount_dec_and_test(&mr->r_refcount))
__rds_put_mr_final(mr);
}