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authorAndy Grover <andy.grover@oracle.com>2009-08-21 12:28:31 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-23 19:13:02 -0700
commit70041088e3b976627ba9a183b812f39ef8a9ba0e (patch)
treebad7b11763d7b02b185bd705fe5ed292397cbc7a /include
parent7d6fd5e7e97a2188d56441e4e96494c21c5994a7 (diff)
RDS: Add TCP transport to RDS
This code allows RDS to be tunneled over a TCP connection. RDMA operations are disabled when using TCP transport, but this frees RDS from the IB/RDMA stack dependency, and allows it to be used with standard Ethernet adapters, or in a VM. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/rds.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/rds.h b/include/linux/rds.h
index d91dc91f5443..89d46e1afbb1 100644
--- a/include/linux/rds.h
+++ b/include/linux/rds.h
@@ -147,6 +147,18 @@ struct rds_info_socket {
u_int64_t inum;
} __attribute__((packed));
+struct rds_info_tcp_socket {
+ __be32 local_addr;
+ __be16 local_port;
+ __be32 peer_addr;
+ __be16 peer_port;
+ u_int64_t hdr_rem;
+ u_int64_t data_rem;
+ u_int32_t last_sent_nxt;
+ u_int32_t last_expected_una;
+ u_int32_t last_seen_una;
+} __attribute__((packed));
+
#define RDS_IB_GID_LEN 16
struct rds_info_rdma_connection {
__be32 src_addr;