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RDS/IB: print string constants in more places 

This prints the constant identifier for work completion status and rdma
cm event types, like we already do for IB event types.

A core string array helper is added that each string type uses.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
This commit is contained in:
Zach Brown 2010-08-03 13:52:47 -07:00 committed by Andy Grover
parent 4518071ac1
commit 59f740a6ae
7 changed files with 97 additions and 21 deletions
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9
net/rds/af_rds.c
View File

@ -40,6 +40,15 @@
#include "rds.h"
char *rds_str_array(char **array, size_t elements, size_t index)
{
if ((index < elements) && array[index])
return array[index];
else
return "unknown";
}
EXPORT_SYMBOL(rds_str_array);
/* this is just used for stats gathering :/ */
static DEFINE_SPINLOCK(rds_sock_lock);
static unsigned long rds_sock_count;

1
net/rds/ib.h
View File

@ -345,6 +345,7 @@ u32 rds_ib_ring_completed(struct rds_ib_work_ring *ring, u32 wr_id, u32 oldest);
extern wait_queue_head_t rds_ib_ring_empty_wait;
/* ib_send.c */
char *rds_ib_wc_status_str(enum ib_wc_status status);
void rds_ib_xmit_complete(struct rds_connection *conn);
int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
unsigned int hdr_off, unsigned int sg, unsigned int off);

10
net/rds/ib_cm.c
View File

@ -39,7 +39,8 @@
#include "ib.h"
static char *rds_ib_event_type_strings[] = {
#define RDS_IB_EVENT_STRING(foo) [IB_EVENT_##foo] = __stringify(foo)
#define RDS_IB_EVENT_STRING(foo) \
[IB_EVENT_##foo] = __stringify(IB_EVENT_##foo)
RDS_IB_EVENT_STRING(CQ_ERR),
RDS_IB_EVENT_STRING(QP_FATAL),
RDS_IB_EVENT_STRING(QP_REQ_ERR),
@ -63,11 +64,8 @@ static char *rds_ib_event_type_strings[] = {
static char *rds_ib_event_str(enum ib_event_type type)
{
if (type < ARRAY_SIZE(rds_ib_event_type_strings) &&
rds_ib_event_type_strings[type])
return rds_ib_event_type_strings[type];
else
return "unknown";
return rds_str_array(rds_ib_event_type_strings,
ARRAY_SIZE(rds_ib_event_type_strings), type);
};
/*

12
net/rds/ib_recv.c
View File

@ -966,8 +966,9 @@ static inline void rds_poll_cq(struct rds_ib_connection *ic,
struct rds_ib_recv_work *recv;
while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
rdsdebug("wc wr_id 0x%llx status %u byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status, wc.byte_len,
rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status,
rds_ib_wc_status_str(wc.status), wc.byte_len,
be32_to_cpu(wc.ex.imm_data));
rds_ib_stats_inc(s_ib_rx_cq_event);
@ -985,10 +986,11 @@ static inline void rds_poll_cq(struct rds_ib_connection *ic,
} else {
/* We expect errors as the qp is drained during shutdown */
if (rds_conn_up(conn) || rds_conn_connecting(conn))
rds_ib_conn_error(conn, "recv completion on "
"%pI4 had status %u, disconnecting and "
rds_ib_conn_error(conn, "recv completion on %pI4 had "
"status %u (%s), disconnecting and "
"reconnecting\n", &conn->c_faddr,
wc.status);
wc.status,
rds_ib_wc_status_str(wc.status));
}
/*

47
net/rds/ib_send.c
View File

@ -38,6 +38,40 @@
#include "rds.h"
#include "ib.h"
static char *rds_ib_wc_status_strings[] = {
#define RDS_IB_WC_STATUS_STR(foo) \
[IB_WC_##foo] = __stringify(IB_WC_##foo)
RDS_IB_WC_STATUS_STR(SUCCESS),
RDS_IB_WC_STATUS_STR(LOC_LEN_ERR),
RDS_IB_WC_STATUS_STR(LOC_QP_OP_ERR),
RDS_IB_WC_STATUS_STR(LOC_EEC_OP_ERR),
RDS_IB_WC_STATUS_STR(LOC_PROT_ERR),
RDS_IB_WC_STATUS_STR(WR_FLUSH_ERR),
RDS_IB_WC_STATUS_STR(MW_BIND_ERR),
RDS_IB_WC_STATUS_STR(BAD_RESP_ERR),
RDS_IB_WC_STATUS_STR(LOC_ACCESS_ERR),
RDS_IB_WC_STATUS_STR(REM_INV_REQ_ERR),
RDS_IB_WC_STATUS_STR(REM_ACCESS_ERR),
RDS_IB_WC_STATUS_STR(REM_OP_ERR),
RDS_IB_WC_STATUS_STR(RETRY_EXC_ERR),
RDS_IB_WC_STATUS_STR(RNR_RETRY_EXC_ERR),
RDS_IB_WC_STATUS_STR(LOC_RDD_VIOL_ERR),
RDS_IB_WC_STATUS_STR(REM_INV_RD_REQ_ERR),
RDS_IB_WC_STATUS_STR(REM_ABORT_ERR),
RDS_IB_WC_STATUS_STR(INV_EECN_ERR),
RDS_IB_WC_STATUS_STR(INV_EEC_STATE_ERR),
RDS_IB_WC_STATUS_STR(FATAL_ERR),
RDS_IB_WC_STATUS_STR(RESP_TIMEOUT_ERR),
RDS_IB_WC_STATUS_STR(GENERAL_ERR),
#undef RDS_IB_WC_STATUS_STR
};
char *rds_ib_wc_status_str(enum ib_wc_status status)
{
return rds_str_array(rds_ib_wc_status_strings,
ARRAY_SIZE(rds_ib_wc_status_strings), status);
}
/*
* Convert IB-specific error message to RDS error message and call core
* completion handler.
@ -257,8 +291,9 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
rdsdebug("ib_req_notify_cq send failed: %d\n", ret);
while (ib_poll_cq(cq, 1, &wc) > 0) {
rdsdebug("wc wr_id 0x%llx status %u byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status, wc.byte_len,
rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status,
rds_ib_wc_status_str(wc.status), wc.byte_len,
be32_to_cpu(wc.ex.imm_data));
rds_ib_stats_inc(s_ib_tx_cq_event);
@ -306,10 +341,10 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
/* We expect errors as the qp is drained during shutdown */
if (wc.status != IB_WC_SUCCESS && rds_conn_up(conn)) {
rds_ib_conn_error(conn,
"send completion on %pI4 "
"had status %u, disconnecting and reconnecting\n",
&conn->c_faddr, wc.status);
rds_ib_conn_error(conn, "send completion on %pI4 had status "
"%u (%s), disconnecting and reconnecting\n",
&conn->c_faddr, wc.status,
rds_ib_wc_status_str(wc.status));
}
}
}

38
net/rds/rdma_transport.c
View File

@ -36,6 +36,34 @@
static struct rdma_cm_id *rds_rdma_listen_id;
static char *rds_cm_event_strings[] = {
#define RDS_CM_EVENT_STRING(foo) \
[RDMA_CM_EVENT_##foo] = __stringify(RDMA_CM_EVENT_##foo)
RDS_CM_EVENT_STRING(ADDR_RESOLVED),
RDS_CM_EVENT_STRING(ADDR_ERROR),
RDS_CM_EVENT_STRING(ROUTE_RESOLVED),
RDS_CM_EVENT_STRING(ROUTE_ERROR),
RDS_CM_EVENT_STRING(CONNECT_REQUEST),
RDS_CM_EVENT_STRING(CONNECT_RESPONSE),
RDS_CM_EVENT_STRING(CONNECT_ERROR),
RDS_CM_EVENT_STRING(UNREACHABLE),
RDS_CM_EVENT_STRING(REJECTED),
RDS_CM_EVENT_STRING(ESTABLISHED),
RDS_CM_EVENT_STRING(DISCONNECTED),
RDS_CM_EVENT_STRING(DEVICE_REMOVAL),
RDS_CM_EVENT_STRING(MULTICAST_JOIN),
RDS_CM_EVENT_STRING(MULTICAST_ERROR),
RDS_CM_EVENT_STRING(ADDR_CHANGE),
RDS_CM_EVENT_STRING(TIMEWAIT_EXIT),
#undef RDS_CM_EVENT_STRING
};
static char *rds_cm_event_str(enum rdma_cm_event_type type)
{
return rds_str_array(rds_cm_event_strings,
ARRAY_SIZE(rds_cm_event_strings), type);
};
int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
{
@ -44,8 +72,8 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
struct rds_transport *trans;
int ret = 0;
rdsdebug("conn %p id %p handling event %u\n", conn, cm_id,
event->event);
rdsdebug("conn %p id %p handling event %u (%s)\n", conn, cm_id,
event->event, rds_cm_event_str(event->event));
if (cm_id->device->node_type == RDMA_NODE_RNIC)
trans = &rds_iw_transport;
@ -109,7 +137,8 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
default:
/* things like device disconnect? */
printk(KERN_ERR "RDS: unknown event %u!\n", event->event);
printk(KERN_ERR "RDS: unknown event %u (%s)!\n",
event->event, rds_cm_event_str(event->event));
break;
}
@ -117,7 +146,8 @@ out:
if (conn)
mutex_unlock(&conn->c_cm_lock);
rdsdebug("id %p event %u handling ret %d\n", cm_id, event->event, ret);
rdsdebug("id %p event %u (%s) handling ret %d\n", cm_id, event->event,
rds_cm_event_str(event->event), ret);
return ret;
}

1
net/rds/rds.h
View File

@ -566,6 +566,7 @@ struct rds_statistics {
};
/* af_rds.c */
char *rds_str_array(char **array, size_t elements, size_t index);
void rds_sock_addref(struct rds_sock *rs);
void rds_sock_put(struct rds_sock *rs);
void rds_wake_sk_sleep(struct rds_sock *rs);