Commit 34f256cc authored by Ying Xue's avatar Ying Xue Committed by David S. Miller

tipc: eliminate configuration for maximum number of name subscriptions

Gets rid of the need for users to specify the maximum number of
name subscriptions supported by TIPC. TIPC now automatically provides
support for the maximum number of name subscriptions to 65535.
Signed-off-by: default avatarYing Xue <ying.xue@windriver.com>
Signed-off-by: default avatarJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 61cdd4d8
......@@ -90,7 +90,7 @@
#define TIPC_CMD_GET_REMOTE_MNG 0x4003 /* tx none, rx unsigned */
#define TIPC_CMD_GET_MAX_PORTS 0x4004 /* tx none, rx unsigned */
#define TIPC_CMD_GET_MAX_PUBL 0x4005 /* tx none, rx unsigned */
#define TIPC_CMD_GET_MAX_SUBSCR 0x4006 /* tx none, rx unsigned */
#define TIPC_CMD_GET_MAX_SUBSCR 0x4006 /* obsoleted */
#define TIPC_CMD_GET_MAX_ZONES 0x4007 /* obsoleted */
#define TIPC_CMD_GET_MAX_CLUSTERS 0x4008 /* obsoleted */
#define TIPC_CMD_GET_MAX_NODES 0x4009 /* obsoleted */
......@@ -116,7 +116,7 @@
#define TIPC_CMD_SET_REMOTE_MNG 0x8003 /* tx unsigned, rx none */
#define TIPC_CMD_SET_MAX_PORTS 0x8004 /* tx unsigned, rx none */
#define TIPC_CMD_SET_MAX_PUBL 0x8005 /* tx unsigned, rx none */
#define TIPC_CMD_SET_MAX_SUBSCR 0x8006 /* tx unsigned, rx none */
#define TIPC_CMD_SET_MAX_SUBSCR 0x8006 /* obsoleted */
#define TIPC_CMD_SET_MAX_ZONES 0x8007 /* obsoleted */
#define TIPC_CMD_SET_MAX_CLUSTERS 0x8008 /* obsoleted */
#define TIPC_CMD_SET_MAX_NODES 0x8009 /* obsoleted */
......
......@@ -2,7 +2,7 @@
* net/tipc/config.c: TIPC configuration management code
*
* Copyright (c) 2002-2006, Ericsson AB
* Copyright (c) 2004-2007, 2010-2011, Wind River Systems
* Copyright (c) 2004-2007, 2010-2012, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
......@@ -223,21 +223,6 @@ static struct sk_buff *cfg_set_max_publications(void)
return tipc_cfg_reply_none();
}
static struct sk_buff *cfg_set_max_subscriptions(void)
{
u32 value;
if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED))
return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area));
if (value < 1 || value > 65535)
return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
" (max subscriptions must be 1-65535");
tipc_max_subscriptions = value;
return tipc_cfg_reply_none();
}
static struct sk_buff *cfg_set_max_ports(void)
{
u32 value;
......@@ -360,9 +345,6 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_SET_MAX_PUBL:
rep_tlv_buf = cfg_set_max_publications();
break;
case TIPC_CMD_SET_MAX_SUBSCR:
rep_tlv_buf = cfg_set_max_subscriptions();
break;
case TIPC_CMD_SET_NETID:
rep_tlv_buf = cfg_set_netid();
break;
......@@ -375,9 +357,6 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_GET_MAX_PUBL:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_publications);
break;
case TIPC_CMD_GET_MAX_SUBSCR:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_subscriptions);
break;
case TIPC_CMD_GET_NETID:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_net_id);
break;
......@@ -393,6 +372,8 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_GET_MAX_CLUSTERS:
case TIPC_CMD_SET_MAX_NODES:
case TIPC_CMD_GET_MAX_NODES:
case TIPC_CMD_SET_MAX_SUBSCR:
case TIPC_CMD_GET_MAX_SUBSCR:
case TIPC_CMD_SET_LOG_SIZE:
case TIPC_CMD_DUMP_LOG:
rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
......
......@@ -53,7 +53,6 @@ int tipc_random __read_mostly;
/* configurable TIPC parameters */
u32 tipc_own_addr __read_mostly;
int tipc_max_ports __read_mostly;
int tipc_max_subscriptions;
int tipc_max_publications;
int tipc_net_id __read_mostly;
int tipc_remote_management __read_mostly;
......@@ -157,7 +156,6 @@ static int __init tipc_init(void)
tipc_own_addr = 0;
tipc_remote_management = 1;
tipc_max_publications = 10000;
tipc_max_subscriptions = 2000;
tipc_max_ports = CONFIG_TIPC_PORTS;
tipc_net_id = 4711;
......
......@@ -60,7 +60,8 @@
#define TIPC_MOD_VER "2.0.0"
#define ULTRA_STRING_MAX_LEN 32768
#define ULTRA_STRING_MAX_LEN 32768
#define TIPC_MAX_SUBSCRIPTIONS 65535
struct tipc_msg; /* msg.h */
......@@ -76,7 +77,6 @@ int tipc_snprintf(char *buf, int len, const char *fmt, ...);
*/
extern u32 tipc_own_addr __read_mostly;
extern int tipc_max_ports __read_mostly;
extern int tipc_max_subscriptions;
extern int tipc_max_publications;
extern int tipc_net_id __read_mostly;
extern int tipc_remote_management __read_mostly;
......
......@@ -304,9 +304,9 @@ static struct tipc_subscription *subscr_subscribe(struct tipc_subscr *s,
}
/* Refuse subscription if global limit exceeded */
if (atomic_read(&topsrv.subscription_count) >= tipc_max_subscriptions) {
if (atomic_read(&topsrv.subscription_count) >= TIPC_MAX_SUBSCRIPTIONS) {
pr_warn("Subscription rejected, limit reached (%u)\n",
tipc_max_subscriptions);
TIPC_MAX_SUBSCRIPTIONS);
subscr_terminate(subscriber);
return NULL;
}
......
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