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RDS: IB: track and log active side endpoint in connection 

Useful to know the active and passive end points in a
RDS IB connection.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
zero-colors
Santosh Shilimkar 2016-07-09 18:31:38 -07:00
parent c536a06887
commit 581d53c91c
2 changed files with 10 additions and 4 deletions
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3
net/rds/ib.h
View File

@ -181,6 +181,9 @@ struct rds_ib_connection {
/* Batched completions */
unsigned int i_unsignaled_wrs;
/* Endpoint role in connection */
bool i_active_side;
};
/* This assumes that atomic_t is at least 32 bits */

11
net/rds/ib_cm.c
View File

@ -120,16 +120,17 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, struct rdma_cm_even
rds_conn_destroy(conn);
return;
} else {
pr_notice("RDS/IB: connected <%pI4,%pI4> version %u.%u%s\n",
pr_notice("RDS/IB: %s conn connected <%pI4,%pI4> version %u.%u%s\n",
ic->i_active_side ? "Active" : "Passive",
&conn->c_laddr, &conn->c_faddr,
RDS_PROTOCOL_MAJOR(conn->c_version),
RDS_PROTOCOL_MINOR(conn->c_version),
ic->i_flowctl ? ", flow control" : "");
}
/*
* Init rings and fill recv. this needs to wait until protocol negotiation
* is complete, since ring layout is different from 3.0 to 3.1.
/* Init rings and fill recv. this needs to wait until protocol
* negotiation is complete, since ring layout is different
* from 3.1 to 4.1.
*/
rds_ib_send_init_ring(ic);
rds_ib_recv_init_ring(ic);
@ -685,6 +686,7 @@ out:
if (ic->i_cm_id == cm_id)
ret = 0;
}
ic->i_active_side = true;
return ret;
}
@ -859,6 +861,7 @@ void rds_ib_conn_path_shutdown(struct rds_conn_path *cp)
ic->i_sends = NULL;
vfree(ic->i_recvs);
ic->i_recvs = NULL;
ic->i_active_side = false;
}
int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)