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-rw-r--r--include/linux/ip_vs.h160
-rw-r--r--include/net/ip_vs.h2
-rw-r--r--net/ipv4/ipvs/ip_vs_core.c8
-rw-r--r--net/ipv4/ipvs/ip_vs_ctl.c896
-rw-r--r--net/ipv4/ipvs/ip_vs_est.c18
-rw-r--r--net/ipv4/ipvs/ip_vs_lblc.c13
-rw-r--r--net/ipv4/ipvs/ip_vs_lblcr.c13
-rw-r--r--net/ipv4/ipvs/ip_vs_lc.c21
-rw-r--r--net/ipv4/ipvs/ip_vs_nq.c24
-rw-r--r--net/ipv4/ipvs/ip_vs_rr.c7
-rw-r--r--net/ipv4/ipvs/ip_vs_sed.c24
-rw-r--r--net/ipv4/ipvs/ip_vs_wlc.c24
12 files changed, 1072 insertions, 138 deletions
diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h
index ec6eb49af2d..0f434a28fb5 100644
--- a/include/linux/ip_vs.h
+++ b/include/linux/ip_vs.h
@@ -242,4 +242,164 @@ struct ip_vs_daemon_user {
int syncid;
};
+/*
+ *
+ * IPVS Generic Netlink interface definitions
+ *
+ */
+
+/* Generic Netlink family info */
+
+#define IPVS_GENL_NAME "IPVS"
+#define IPVS_GENL_VERSION 0x1
+
+struct ip_vs_flags {
+ __be32 flags;
+ __be32 mask;
+};
+
+/* Generic Netlink command attributes */
+enum {
+ IPVS_CMD_UNSPEC = 0,
+
+ IPVS_CMD_NEW_SERVICE, /* add service */
+ IPVS_CMD_SET_SERVICE, /* modify service */
+ IPVS_CMD_DEL_SERVICE, /* delete service */
+ IPVS_CMD_GET_SERVICE, /* get service info */
+
+ IPVS_CMD_NEW_DEST, /* add destination */
+ IPVS_CMD_SET_DEST, /* modify destination */
+ IPVS_CMD_DEL_DEST, /* delete destination */
+ IPVS_CMD_GET_DEST, /* get destination info */
+
+ IPVS_CMD_NEW_DAEMON, /* start sync daemon */
+ IPVS_CMD_DEL_DAEMON, /* stop sync daemon */
+ IPVS_CMD_GET_DAEMON, /* get sync daemon status */
+
+ IPVS_CMD_SET_CONFIG, /* set config settings */
+ IPVS_CMD_GET_CONFIG, /* get config settings */
+
+ IPVS_CMD_SET_INFO, /* only used in GET_INFO reply */
+ IPVS_CMD_GET_INFO, /* get general IPVS info */
+
+ IPVS_CMD_ZERO, /* zero all counters and stats */
+ IPVS_CMD_FLUSH, /* flush services and dests */
+
+ __IPVS_CMD_MAX,
+};
+
+#define IPVS_CMD_MAX (__IPVS_CMD_MAX - 1)
+
+/* Attributes used in the first level of commands */
+enum {
+ IPVS_CMD_ATTR_UNSPEC = 0,
+ IPVS_CMD_ATTR_SERVICE, /* nested service attribute */
+ IPVS_CMD_ATTR_DEST, /* nested destination attribute */
+ IPVS_CMD_ATTR_DAEMON, /* nested sync daemon attribute */
+ IPVS_CMD_ATTR_TIMEOUT_TCP, /* TCP connection timeout */
+ IPVS_CMD_ATTR_TIMEOUT_TCP_FIN, /* TCP FIN wait timeout */
+ IPVS_CMD_ATTR_TIMEOUT_UDP, /* UDP timeout */
+ __IPVS_CMD_ATTR_MAX,
+};
+
+#define IPVS_CMD_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1)
+
+/*
+ * Attributes used to describe a service
+ *
+ * Used inside nested attribute IPVS_CMD_ATTR_SERVICE
+ */
+enum {
+ IPVS_SVC_ATTR_UNSPEC = 0,
+ IPVS_SVC_ATTR_AF, /* address family */
+ IPVS_SVC_ATTR_PROTOCOL, /* virtual service protocol */
+ IPVS_SVC_ATTR_ADDR, /* virtual service address */
+ IPVS_SVC_ATTR_PORT, /* virtual service port */
+ IPVS_SVC_ATTR_FWMARK, /* firewall mark of service */
+
+ IPVS_SVC_ATTR_SCHED_NAME, /* name of scheduler */
+ IPVS_SVC_ATTR_FLAGS, /* virtual service flags */
+ IPVS_SVC_ATTR_TIMEOUT, /* persistent timeout */
+ IPVS_SVC_ATTR_NETMASK, /* persistent netmask */
+
+ IPVS_SVC_ATTR_STATS, /* nested attribute for service stats */
+ __IPVS_SVC_ATTR_MAX,
+};
+
+#define IPVS_SVC_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1)
+
+/*
+ * Attributes used to describe a destination (real server)
+ *
+ * Used inside nested attribute IPVS_CMD_ATTR_DEST
+ */
+enum {
+ IPVS_DEST_ATTR_UNSPEC = 0,
+ IPVS_DEST_ATTR_ADDR, /* real server address */
+ IPVS_DEST_ATTR_PORT, /* real server port */
+
+ IPVS_DEST_ATTR_FWD_METHOD, /* forwarding method */
+ IPVS_DEST_ATTR_WEIGHT, /* destination weight */
+
+ IPVS_DEST_ATTR_U_THRESH, /* upper threshold */
+ IPVS_DEST_ATTR_L_THRESH, /* lower threshold */
+
+ IPVS_DEST_ATTR_ACTIVE_CONNS, /* active connections */
+ IPVS_DEST_ATTR_INACT_CONNS, /* inactive connections */
+ IPVS_DEST_ATTR_PERSIST_CONNS, /* persistent connections */
+
+ IPVS_DEST_ATTR_STATS, /* nested attribute for dest stats */
+ __IPVS_DEST_ATTR_MAX,
+};
+
+#define IPVS_DEST_ATTR_MAX (__IPVS_DEST_ATTR_MAX - 1)
+
+/*
+ * Attributes describing a sync daemon
+ *
+ * Used inside nested attribute IPVS_CMD_ATTR_DAEMON
+ */
+enum {
+ IPVS_DAEMON_ATTR_UNSPEC = 0,
+ IPVS_DAEMON_ATTR_STATE, /* sync daemon state (master/backup) */
+ IPVS_DAEMON_ATTR_MCAST_IFN, /* multicast interface name */
+ IPVS_DAEMON_ATTR_SYNC_ID, /* SyncID we belong to */
+ __IPVS_DAEMON_ATTR_MAX,
+};
+
+#define IPVS_DAEMON_ATTR_MAX (__IPVS_DAEMON_ATTR_MAX - 1)
+
+/*
+ * Attributes used to describe service or destination entry statistics
+ *
+ * Used inside nested attributes IPVS_SVC_ATTR_STATS and IPVS_DEST_ATTR_STATS
+ */
+enum {
+ IPVS_STATS_ATTR_UNSPEC = 0,
+ IPVS_STATS_ATTR_CONNS, /* connections scheduled */
+ IPVS_STATS_ATTR_INPKTS, /* incoming packets */
+ IPVS_STATS_ATTR_OUTPKTS, /* outgoing packets */
+ IPVS_STATS_ATTR_INBYTES, /* incoming bytes */
+ IPVS_STATS_ATTR_OUTBYTES, /* outgoing bytes */
+
+ IPVS_STATS_ATTR_CPS, /* current connection rate */
+ IPVS_STATS_ATTR_INPPS, /* current in packet rate */
+ IPVS_STATS_ATTR_OUTPPS, /* current out packet rate */
+ IPVS_STATS_ATTR_INBPS, /* current in byte rate */
+ IPVS_STATS_ATTR_OUTBPS, /* current out byte rate */
+ __IPVS_STATS_ATTR_MAX,
+};
+
+#define IPVS_STATS_ATTR_MAX (__IPVS_STATS_ATTR_MAX - 1)
+
+/* Attributes used in response to IPVS_CMD_GET_INFO command */
+enum {
+ IPVS_INFO_ATTR_UNSPEC = 0,
+ IPVS_INFO_ATTR_VERSION, /* IPVS version number */
+ IPVS_INFO_ATTR_CONN_TAB_SIZE, /* size of connection hash table */
+ __IPVS_INFO_ATTR_MAX,
+};
+
+#define IPVS_INFO_ATTR_MAX (__IPVS_INFO_ATTR_MAX - 1)
+
#endif /* _IP_VS_H */
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 7312c3dd309..a25ad243031 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -683,6 +683,8 @@ extern void ip_vs_sync_conn(struct ip_vs_conn *cp);
/*
* IPVS rate estimator prototypes (from ip_vs_est.c)
*/
+extern int ip_vs_estimator_init(void);
+extern void ip_vs_estimator_cleanup(void);
extern void ip_vs_new_estimator(struct ip_vs_stats *stats);
extern void ip_vs_kill_estimator(struct ip_vs_stats *stats);
extern void ip_vs_zero_estimator(struct ip_vs_stats *stats);
diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index a7879eafc3b..9fbf0a6d739 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -1070,10 +1070,12 @@ static int __init ip_vs_init(void)
{
int ret;
+ ip_vs_estimator_init();
+
ret = ip_vs_control_init();
if (ret < 0) {
IP_VS_ERR("can't setup control.\n");
- goto cleanup_nothing;
+ goto cleanup_estimator;
}
ip_vs_protocol_init();
@@ -1106,7 +1108,8 @@ static int __init ip_vs_init(void)
cleanup_protocol:
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
- cleanup_nothing:
+ cleanup_estimator:
+ ip_vs_estimator_cleanup();
return ret;
}
@@ -1117,6 +1120,7 @@ static void __exit ip_vs_cleanup(void)
ip_vs_app_cleanup();
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
+ ip_vs_estimator_cleanup();
IP_VS_INFO("ipvs unloaded.\n");
}
diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index 6379705a8dc..ede101eeec1 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -37,6 +37,7 @@
#include <net/ip.h>
#include <net/route.h>
#include <net/sock.h>
+#include <net/genetlink.h>
#include <asm/uaccess.h>
@@ -868,7 +869,8 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
svc->num_dests++;
/* call the update_service function of its scheduler */
- svc->scheduler->update_service(svc);
+ if (svc->scheduler->update_service)
+ svc->scheduler->update_service(svc);
write_unlock_bh(&__ip_vs_svc_lock);
return 0;
@@ -898,7 +900,8 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
svc->num_dests++;
/* call the update_service function of its scheduler */
- svc->scheduler->update_service(svc);
+ if (svc->scheduler->update_service)
+ svc->scheduler->update_service(svc);
write_unlock_bh(&__ip_vs_svc_lock);
@@ -948,7 +951,8 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
IP_VS_WAIT_WHILE(atomic_read(&svc->usecnt) > 1);
/* call the update_service, because server weight may be changed */
- svc->scheduler->update_service(svc);
+ if (svc->scheduler->update_service)
+ svc->scheduler->update_service(svc);
write_unlock_bh(&__ip_vs_svc_lock);
@@ -1011,12 +1015,12 @@ static void __ip_vs_unlink_dest(struct ip_vs_service *svc,
*/
list_del(&dest->n_list);
svc->num_dests--;
- if (svcupd) {
- /*
- * Call the update_service function of its scheduler
- */
- svc->scheduler->update_service(svc);
- }
+
+ /*
+ * Call the update_service function of its scheduler
+ */
+ if (svcupd && svc->scheduler->update_service)
+ svc->scheduler->update_service(svc);
}
@@ -2320,6 +2324,872 @@ static struct nf_sockopt_ops ip_vs_sockopts = {
.owner = THIS_MODULE,
};
+/*
+ * Generic Netlink interface
+ */
+
+/* IPVS genetlink family */
+static struct genl_family ip_vs_genl_family = {
+ .id = GENL_ID_GENERATE,
+ .hdrsize = 0,
+ .name = IPVS_GENL_NAME,
+ .version = IPVS_GENL_VERSION,
+ .maxattr = IPVS_CMD_MAX,
+};
+
+/* Policy used for first-level command attributes */
+static const struct nla_policy ip_vs_cmd_policy[IPVS_CMD_ATTR_MAX + 1] = {
+ [IPVS_CMD_ATTR_SERVICE] = { .type = NLA_NESTED },
+ [IPVS_CMD_ATTR_DEST] = { .type = NLA_NESTED },
+ [IPVS_CMD_ATTR_DAEMON] = { .type = NLA_NESTED },
+ [IPVS_CMD_ATTR_TIMEOUT_TCP] = { .type = NLA_U32 },
+ [IPVS_CMD_ATTR_TIMEOUT_TCP_FIN] = { .type = NLA_U32 },
+ [IPVS_CMD_ATTR_TIMEOUT_UDP] = { .type = NLA_U32 },
+};
+
+/* Policy used for attributes in nested attribute IPVS_CMD_ATTR_DAEMON */
+static const struct nla_policy ip_vs_daemon_policy[IPVS_DAEMON_ATTR_MAX + 1] = {
+ [IPVS_DAEMON_ATTR_STATE] = { .type = NLA_U32 },
+ [IPVS_DAEMON_ATTR_MCAST_IFN] = { .type = NLA_NUL_STRING,
+ .len = IP_VS_IFNAME_MAXLEN },
+ [IPVS_DAEMON_ATTR_SYNC_ID] = { .type = NLA_U32 },
+};
+
+/* Policy used for attributes in nested attribute IPVS_CMD_ATTR_SERVICE */
+static const struct nla_policy ip_vs_svc_policy[IPVS_SVC_ATTR_MAX + 1] = {
+ [IPVS_SVC_ATTR_AF] = { .type = NLA_U16 },
+ [IPVS_SVC_ATTR_PROTOCOL] = { .type = NLA_U16 },
+ [IPVS_SVC_ATTR_ADDR] = { .type = NLA_BINARY,
+ .len = sizeof(union nf_inet_addr) },
+ [IPVS_SVC_ATTR_PORT] = { .type = NLA_U16 },
+ [IPVS_SVC_ATTR_FWMARK] = { .type = NLA_U32 },
+ [IPVS_SVC_ATTR_SCHED_NAME] = { .type = NLA_NUL_STRING,
+ .len = IP_VS_SCHEDNAME_MAXLEN },
+ [IPVS_SVC_ATTR_FLAGS] = { .type = NLA_BINARY,
+ .len = sizeof(struct ip_vs_flags) },
+ [IPVS_SVC_ATTR_TIMEOUT] = { .type = NLA_U32 },
+ [IPVS_SVC_ATTR_NETMASK] = { .type = NLA_U32 },
+ [IPVS_SVC_ATTR_STATS] = { .type = NLA_NESTED },
+};
+
+/* Policy used for attributes in nested attribute IPVS_CMD_ATTR_DEST */
+static const struct nla_policy ip_vs_dest_policy[IPVS_DEST_ATTR_MAX + 1] = {
+ [IPVS_DEST_ATTR_ADDR] = { .type = NLA_BINARY,
+ .len = sizeof(union nf_inet_addr) },
+ [IPVS_DEST_ATTR_PORT] = { .type = NLA_U16 },
+ [IPVS_DEST_ATTR_FWD_METHOD] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_WEIGHT] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_U_THRESH] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_L_THRESH] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_ACTIVE_CONNS] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_INACT_CONNS] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_PERSIST_CONNS] = { .type = NLA_U32 },
+ [IPVS_DEST_ATTR_STATS] = { .type = NLA_NESTED },
+};
+
+static int ip_vs_genl_fill_stats(struct sk_buff *skb, int container_type,
+ struct ip_vs_stats *stats)
+{
+ struct nlattr *nl_stats = nla_nest_start(skb, container_type);
+ if (!nl_stats)
+ return -EMSGSIZE;
+
+ spin_lock_bh(&stats->lock);
+
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_CONNS, stats->conns);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_INPKTS, stats->inpkts);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_OUTPKTS, stats->outpkts);
+ NLA_PUT_U64(skb, IPVS_STATS_ATTR_INBYTES, stats->inbytes);
+ NLA_PUT_U64(skb, IPVS_STATS_ATTR_OUTBYTES, stats->outbytes);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_CPS, stats->cps);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_INPPS, stats->inpps);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_OUTPPS, stats->outpps);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_INBPS, stats->inbps);
+ NLA_PUT_U32(skb, IPVS_STATS_ATTR_OUTBPS, stats->outbps);
+
+ spin_unlock_bh(&stats->lock);
+
+ nla_nest_end(skb, nl_stats);
+
+ return 0;
+
+nla_put_failure:
+ spin_unlock_bh(&stats->lock);
+ nla_nest_cancel(skb, nl_stats);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_fill_service(struct sk_buff *skb,
+ struct ip_vs_service *svc)
+{
+ struct nlattr *nl_service;
+ struct ip_vs_flags flags = { .flags = svc->flags,
+ .mask = ~0 };
+
+ nl_service = nla_nest_start(skb, IPVS_CMD_ATTR_SERVICE);
+ if (!nl_service)
+ return -EMSGSIZE;
+
+ NLA_PUT_U16(skb, IPVS_SVC_ATTR_AF, AF_INET);
+
+ if (svc->fwmark) {
+ NLA_PUT_U32(skb, IPVS_SVC_ATTR_FWMARK, svc->fwmark);
+ } else {
+ NLA_PUT_U16(skb, IPVS_SVC_ATTR_PROTOCOL, svc->protocol);
+ NLA_PUT(skb, IPVS_SVC_ATTR_ADDR, sizeof(svc->addr), &svc->addr);
+ NLA_PUT_U16(skb, IPVS_SVC_ATTR_PORT, svc->port);
+ }
+
+ NLA_PUT_STRING(skb, IPVS_SVC_ATTR_SCHED_NAME, svc->scheduler->name);
+ NLA_PUT(skb, IPVS_SVC_ATTR_FLAGS, sizeof(flags), &flags);
+ NLA_PUT_U32(skb, IPVS_SVC_ATTR_TIMEOUT, svc->timeout / HZ);
+ NLA_PUT_U32(skb, IPVS_SVC_ATTR_NETMASK, svc->netmask);
+
+ if (ip_vs_genl_fill_stats(skb, IPVS_SVC_ATTR_STATS, &svc->stats))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nl_service);
+
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nl_service);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_dump_service(struct sk_buff *skb,
+ struct ip_vs_service *svc,
+ struct netlink_callback *cb)
+{
+ void *hdr;
+
+ hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq,
+ &ip_vs_genl_family, NLM_F_MULTI,
+ IPVS_CMD_NEW_SERVICE);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ if (ip_vs_genl_fill_service(skb, svc) < 0)
+ goto nla_put_failure;
+
+ return genlmsg_end(skb, hdr);
+
+nla_put_failure:
+ genlmsg_cancel(skb, hdr);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_dump_services(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ int idx = 0, i;
+ int start = cb->args[0];
+ struct ip_vs_service *svc;
+
+ mutex_lock(&__ip_vs_mutex);
+ for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) {
+ list_for_each_entry(svc, &ip_vs_svc_table[i], s_list) {
+ if (++idx <= start)
+ continue;
+ if (ip_vs_genl_dump_service(skb, svc, cb) < 0) {
+ idx--;
+ goto nla_put_failure;
+ }
+ }
+ }
+
+ for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) {
+ list_for_each_entry(svc, &ip_vs_svc_fwm_table[i], f_list) {
+ if (++idx <= start)
+ continue;
+ if (ip_vs_genl_dump_service(skb, svc, cb) < 0) {
+ idx--;
+ goto nla_put_failure;
+ }
+ }
+ }
+
+nla_put_failure:
+ mutex_unlock(&__ip_vs_mutex);
+ cb->args[0] = idx;
+
+ return skb->len;
+}
+
+static int ip_vs_genl_parse_service(struct ip_vs_service_user *usvc,
+ struct nlattr *nla, int full_entry)
+{
+ struct nlattr *attrs[IPVS_SVC_ATTR_MAX + 1];
+ struct nlattr *nla_af, *nla_port, *nla_fwmark, *nla_protocol, *nla_addr;
+
+ /* Parse mandatory identifying service fields first */
+ if (nla == NULL ||
+ nla_parse_nested(attrs, IPVS_SVC_ATTR_MAX, nla, ip_vs_svc_policy))
+ return -EINVAL;
+
+ nla_af = attrs[IPVS_SVC_ATTR_AF];
+ nla_protocol = attrs[IPVS_SVC_ATTR_PROTOCOL];
+ nla_addr = attrs[IPVS_SVC_ATTR_ADDR];
+ nla_port = attrs[IPVS_SVC_ATTR_PORT];
+ nla_fwmark = attrs[IPVS_SVC_ATTR_FWMARK];
+
+ if (!(nla_af && (nla_fwmark || (nla_port && nla_protocol && nla_addr))))
+ return -EINVAL;
+
+ /* For now, only support IPv4 */
+ if (nla_get_u16(nla_af) != AF_INET)
+ return -EAFNOSUPPORT;
+
+ if (nla_fwmark) {
+ usvc->protocol = IPPROTO_TCP;
+ usvc->fwmark = nla_get_u32(nla_fwmark);
+ } else {
+ usvc->protocol = nla_get_u16(nla_protocol);
+ nla_memcpy(&usvc->addr, nla_addr, sizeof(usvc->addr));
+ usvc->port = nla_get_u16(nla_port);
+ usvc->fwmark = 0;
+ }
+
+ /* If a full entry was requested, check for the additional fields */
+ if (full_entry) {
+ struct nlattr *nla_sched, *nla_flags, *nla_timeout,
+ *nla_netmask;
+ struct ip_vs_flags flags;
+ struct ip_vs_service *svc;
+
+ nla_sched = attrs[IPVS_SVC_ATTR_SCHED_NAME];
+ nla_flags = attrs[IPVS_SVC_ATTR_FLAGS];
+ nla_timeout = attrs[IPVS_SVC_ATTR_TIMEOUT];
+ nla_netmask = attrs[IPVS_SVC_ATTR_NETMASK];
+
+ if (!(nla_sched && nla_flags && nla_timeout && nla_netmask))
+ return -EINVAL;
+
+ nla_memcpy(&flags, nla_flags, sizeof(flags));
+
+ /* prefill flags from service if it already exists */
+ if (usvc->fwmark)
+ svc = __ip_vs_svc_fwm_get(usvc->fwmark);
+ else
+ svc = __ip_vs_service_get(usvc->protocol, usvc->addr,
+ usvc->port);
+ if (svc) {
+ usvc->flags = svc->flags;
+ ip_vs_service_put(svc);
+ } else
+ usvc->flags = 0;
+
+ /* set new flags from userland */
+ usvc->flags = (usvc->flags & ~flags.mask) |
+ (flags.flags & flags.mask);
+
+ strlcpy(usvc->sched_name, nla_data(nla_sched),
+ sizeof(usvc->sched_name));
+ usvc->timeout = nla_get_u32(nla_timeout);
+ usvc->netmask = nla_get_u32(nla_netmask);
+ }
+
+ return 0;
+}
+
+static struct ip_vs_service *ip_vs_genl_find_service(struct nlattr *nla)
+{
+ struct ip_vs_service_user usvc;
+ int ret;
+
+ ret = ip_vs_genl_parse_service(&usvc, nla, 0);
+ if (ret)
+ return ERR_PTR(ret);
+
+ if (usvc.fwmark)
+ return __ip_vs_svc_fwm_get(usvc.fwmark);
+ else
+ return __ip_vs_service_get(usvc.protocol, usvc.addr,
+ usvc.port);
+}
+
+static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest)
+{
+ struct nlattr *nl_dest;
+
+ nl_dest = nla_nest_start(skb, IPVS_CMD_ATTR_DEST);
+ if (!nl_dest)
+ return -EMSGSIZE;
+
+ NLA_PUT(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr);
+ NLA_PUT_U16(skb, IPVS_DEST_ATTR_PORT, dest->port);
+
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_FWD_METHOD,
+ atomic_read(&dest->conn_flags) & IP_VS_CONN_F_FWD_MASK);
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_WEIGHT, atomic_read(&dest->weight));
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_U_THRESH, dest->u_threshold);
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_L_THRESH, dest->l_threshold);
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_ACTIVE_CONNS,
+ atomic_read(&dest->activeconns));
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_INACT_CONNS,
+ atomic_read(&dest->inactconns));
+ NLA_PUT_U32(skb, IPVS_DEST_ATTR_PERSIST_CONNS,
+ atomic_read(&dest->persistconns));
+
+ if (ip_vs_genl_fill_stats(skb, IPVS_DEST_ATTR_STATS, &dest->stats))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nl_dest);
+
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nl_dest);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_dump_dest(struct sk_buff *skb, struct ip_vs_dest *dest,
+ struct netlink_callback *cb)
+{
+ void *hdr;
+
+ hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq,
+ &ip_vs_genl_family, NLM_F_MULTI,
+ IPVS_CMD_NEW_DEST);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ if (ip_vs_genl_fill_dest(skb, dest) < 0)
+ goto nla_put_failure;
+
+ return genlmsg_end(skb, hdr);
+
+nla_put_failure:
+ genlmsg_cancel(skb, hdr);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_dump_dests(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ int idx = 0;
+ int start = cb->args[0];
+ struct ip_vs_service *svc;
+ struct ip_vs_dest *dest;
+ struct nlattr *attrs[IPVS_CMD_ATTR_MAX + 1];
+
+ mutex_lock(&__ip_vs_mutex);
+
+ /* Try to find the service for which to dump destinations */
+ if (nlmsg_parse(cb->nlh, GENL_HDRLEN, attrs,
+ IPVS_CMD_ATTR_MAX, ip_vs_cmd_policy))
+ goto out_err;
+
+ svc = ip_vs_genl_find_service(attrs[IPVS_CMD_ATTR_SERVICE]);
+ if (IS_ERR(svc) || svc == NULL)
+ goto out_err;
+
+ /* Dump the destinations */
+ list_for_each_entry(dest, &svc->destinations, n_list) {
+ if (++idx <= start)
+ continue;
+ if (ip_vs_genl_dump_dest(skb, dest, cb) < 0) {
+ idx--;
+ goto nla_put_failure;
+ }
+ }
+
+nla_put_failure:
+ cb->args[0] = idx;
+ ip_vs_service_put(svc);
+
+out_err:
+ mutex_unlock(&__ip_vs_mutex);
+
+ return skb->len;
+}
+
+static int ip_vs_genl_parse_dest(struct ip_vs_dest_user *udest,
+ struct nlattr *nla, int full_entry)
+{
+ struct nlattr *attrs[IPVS_DEST_ATTR_MAX + 1];
+ struct nlattr *nla_addr, *nla_port;
+
+ /* Parse mandatory identifying destination fields first */
+ if (nla == NULL ||
+ nla_parse_nested(attrs, IPVS_DEST_ATTR_MAX, nla, ip_vs_dest_policy))
+ return -EINVAL;
+
+ nla_addr = attrs[IPVS_DEST_ATTR_ADDR];
+ nla_port = attrs[IPVS_DEST_ATTR_PORT];
+
+ if (!(nla_addr && nla_port))
+ return -EINVAL;
+
+ nla_memcpy(&udest->addr, nla_addr, sizeof(udest->addr));
+ udest->port = nla_get_u16(nla_port);
+
+ /* If a full entry was requested, check for the additional fields */
+ if (full_entry) {
+ struct nlattr *nla_fwd, *nla_weight, *nla_u_thresh,
+ *nla_l_thresh;
+
+ nla_fwd = attrs[IPVS_DEST_ATTR_FWD_METHOD];
+ nla_weight = attrs[IPVS_DEST_ATTR_WEIGHT];
+ nla_u_thresh = attrs[IPVS_DEST_ATTR_U_THRESH];
+ nla_l_thresh = attrs[IPVS_DEST_ATTR_L_THRESH];
+
+ if (!(nla_fwd && nla_weight && nla_u_thresh && nla_l_thresh))
+ return -EINVAL;
+
+ udest->conn_flags = nla_get_u32(nla_fwd)
+ & IP_VS_CONN_F_FWD_MASK;
+ udest->weight = nla_get_u32(nla_weight);
+ udest->u_threshold = nla_get_u32(nla_u_thresh);
+ udest->l_threshold = nla_get_u32(nla_l_thresh);
+ }
+
+ return 0;
+}
+
+static int ip_vs_genl_fill_daemon(struct sk_buff *skb, __be32 state,
+ const char *mcast_ifn, __be32 syncid)
+{
+ struct nlattr *nl_daemon;
+
+ nl_daemon = nla_nest_start(skb, IPVS_CMD_ATTR_DAEMON);
+ if (!nl_daemon)
+ return -EMSGSIZE;
+
+ NLA_PUT_U32(skb, IPVS_DAEMON_ATTR_STATE, state);
+ NLA_PUT_STRING(skb, IPVS_DAEMON_ATTR_MCAST_IFN, mcast_ifn);
+ NLA_PUT_U32(skb, IPVS_DAEMON_ATTR_SYNC_ID, syncid);
+
+ nla_nest_end(skb, nl_daemon);
+
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nl_daemon);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_dump_daemon(struct sk_buff *skb, __be32 state,
+ const char *mcast_ifn, __be32 syncid,
+ struct netlink_callback *cb)
+{
+ void *hdr;
+ hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq,
+ &ip_vs_genl_family, NLM_F_MULTI,
+ IPVS_CMD_NEW_DAEMON);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ if (ip_vs_genl_fill_daemon(skb, state, mcast_ifn, syncid))
+ goto nla_put_failure;
+
+ return genlmsg_end(skb, hdr);
+
+nla_put_failure:
+ genlmsg_cancel(skb, hdr);
+ return -EMSGSIZE;
+}
+
+static int ip_vs_genl_dump_daemons(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ mutex_lock(&__ip_vs_mutex);
+ if ((ip_vs_sync_state & IP_VS_STATE_MASTER) && !cb->args[0]) {
+ if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_MASTER,
+ ip_vs_master_mcast_ifn,
+ ip_vs_master_syncid, cb) < 0)
+ goto nla_put_failure;
+
+ cb->args[0] = 1;
+ }
+
+ if ((ip_vs_sync_state & IP_VS_STATE_BACKUP) && !cb->args[1]) {
+ if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_BACKUP,
+ ip_vs_backup_mcast_ifn,
+ ip_vs_backup_syncid, cb) < 0)
+ goto nla_put_failure;
+
+ cb->args[1] = 1;
+ }
+
+nla_put_failure:
+ mutex_unlock(&__ip_vs_mutex);
+
+ return skb->len;
+}
+
+static int ip_vs_genl_new_daemon(struct nlattr **attrs)
+{
+ if (!(attrs[IPVS_DAEMON_ATTR_STATE] &&
+ attrs[IPVS_DAEMON_ATTR_MCAST_IFN] &&
+ attrs[IPVS_DAEMON_ATTR_SYNC_ID]))
+ return -EINVAL;
+
+ return start_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]),
+ nla_data(attrs[IPVS_DAEMON_ATTR_MCAST_IFN]),
+ nla_get_u32(attrs[IPVS_DAEMON_ATTR_SYNC_ID]));
+}
+
+static int ip_vs_genl_del_daemon(struct nlattr **attrs)
+{
+ if (!attrs[IPVS_DAEMON_ATTR_STATE])
+ return -EINVAL;
+
+ return stop_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]));
+}
+
+static int ip_vs_genl_set_config(struct nlattr **attrs)
+{
+ struct ip_vs_timeout_user t;
+
+ __ip_vs_get_timeouts(&t);
+
+ if (attrs[IPVS_CMD_ATTR_TIMEOUT_TCP])
+ t.tcp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_TCP]);
+
+ if (attrs[IPVS_CMD_ATTR_TIMEOUT_TCP_FIN])
+ t.tcp_fin_timeout =
+ nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_TCP_FIN]);
+
+ if (attrs[IPVS_CMD_ATTR_TIMEOUT_UDP])
+ t.udp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_UDP]);
+
+ return ip_vs_set_timeout(&t);
+}
+
+static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
+{
+ struct ip_vs_service *svc = NULL;
+ struct ip_vs_service_user usvc;
+ struct ip_vs_dest_user udest;
+ int ret = 0, cmd;
+ int need_full_svc = 0, need_full_dest = 0;
+
+ cmd = info->genlhdr->cmd;
+
+ mutex_lock(&__ip_vs_mutex);
+
+ if (cmd == IPVS_CMD_FLUSH) {
+ ret = ip_vs_flush();
+ goto out;
+ } else if (cmd == IPVS_CMD_SET_CONFIG) {
+ ret = ip_vs_genl_set_config(info->attrs);
+ goto out;
+ } else if (cmd == IPVS_CMD_NEW_DAEMON ||
+ cmd == IPVS_CMD_DEL_DAEMON) {
+
+ struct nlattr *daemon_attrs[IPVS_DAEMON_ATTR_MAX + 1];
+
+ if (!info->attrs[IPVS_CMD_ATTR_DAEMON] ||
+ nla_parse_nested(daemon_attrs, IPVS_DAEMON_ATTR_MAX,
+ info->attrs[IPVS_CMD_ATTR_DAEMON],
+ ip_vs_daemon_policy)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (cmd == IPVS_CMD_NEW_DAEMON)
+ ret = ip_vs_genl_new_daemon(daemon_attrs);
+ else
+ ret = ip_vs_genl_del_daemon(daemon_attrs);
+ goto out;
+ } else if (cmd == IPVS_CMD_ZERO &&
+ !info->attrs[IPVS_CMD_ATTR_SERVICE]) {
+ ret = ip_vs_zero_all();
+ goto out;
+ }
+
+ /* All following commands require a service argument, so check if we
+ * received a valid one. We need a full service specification when
+ * adding / editing a service. Only identifying members otherwise. */
+ if (cmd == IPVS_CMD_NEW_SERVICE || cmd == IPVS_CMD_SET_SERVICE)
+ need_full_svc = 1;
+
+ ret = ip_vs_genl_parse_service(&usvc,
+ info->attrs[IPVS_CMD_ATTR_SERVICE],
+ need_full_svc);
+ if (ret)
+ goto out;
+
+ /* Lookup the exact service by <protocol, addr, port> or fwmark */
+ if (usvc.fwmark == 0)
+ svc = __ip_vs_service_get(usvc.protocol, usvc.addr, usvc.port);
+ else
+ svc = __ip_vs_svc_fwm_get(usvc.fwmark);
+
+ /* Unless we're adding a new service, the service must already exist */
+ if ((cmd != IPVS_CMD_NEW_SERVICE) && (svc == NULL)) {
+ ret = -ESRCH;
+ goto out;
+ }
+
+ /* Destination commands require a valid destination argument. For
+ * adding / editing a destination, we need a full destination
+ * specification. */
+ if (cmd == IPVS_CMD_NEW_DEST || cmd == IPVS_CMD_SET_DEST ||
+ cmd == IPVS_CMD_DEL_DEST) {
+ if (cmd != IPVS_CMD_DEL_DEST)
+ need_full_dest = 1;
+
+ ret = ip_vs_genl_parse_dest(&udest,
+ info->attrs[IPVS_CMD_ATTR_DEST],
+ need_full_dest);
+ if (ret)
+ goto out;
+ }
+
+ switch (cmd) {
+ case IPVS_CMD_NEW_SERVICE:
+ if (svc == NULL)
+ ret = ip_vs_add_service(&usvc, &svc);
+ else
+ ret = -EEXIST;
+ break;
+ case IPVS_CMD_SET_SERVICE:
+ ret = ip_vs_edit_service(svc, &usvc);
+ break;
+ case IPVS_CMD_DEL_SERVICE:
+ ret = ip_vs_del_service(svc);
+ break;
+ case IPVS_CMD_NEW_DEST:
+ ret = ip_vs_add_dest(svc, &udest);
+ break;
+ case IPVS_CMD_SET_DEST:
+ ret = ip_vs_edit_dest(svc, &udest);
+ break;
+ case IPVS_CMD_DEL_DEST:
+ ret = ip_vs_del_dest(svc, &udest);
+ break;
+ case IPVS_CMD_ZERO:
+ ret = ip_vs_zero_service(svc);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+out:
+ if (svc)
+ ip_vs_service_put(svc);
+ mutex_unlock(&__ip_vs_mutex);
+
+ return ret;
+}
+
+static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
+{
+ struct sk_buff *msg;
+ void *reply;
+ int ret, cmd, reply_cmd;
+
+ cmd = info->genlhdr->cmd;
+
+ if (cmd == IPVS_CMD_GET_SERVICE)
+ reply_cmd = IPVS_CMD_NEW_SERVICE;
+ else if (cmd == IPVS_CMD_GET_INFO)
+ reply_cmd = IPVS_CMD_SET_INFO;
+ else if (cmd == IPVS_CMD_GET_CONFIG)
+ reply_cmd = IPVS_CMD_SET_CONFIG;
+ else {
+ IP_VS_ERR("unknown Generic Netlink command\n");
+ return -EINVAL;
+ }
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ mutex_lock(&__ip_vs_mutex);
+
+ reply = genlmsg_put_reply(msg, info, &ip_vs_genl_family, 0, reply_cmd);
+ if (reply == NULL)
+ goto nla_put_failure;
+
+ switch (cmd) {
+ case IPVS_CMD_GET_SERVICE:
+ {
+ struct ip_vs_service *svc;
+
+ svc = ip_vs_genl_find_service(info->attrs[IPVS_CMD_ATTR_SERVICE]);
+ if (IS_ERR(svc)) {
+ ret = PTR_ERR(svc);
+ goto out_err;
+ } else if (svc) {
+ ret = ip_vs_genl_fill_service(msg, svc);
+ ip_vs_service_put(svc);
+ if (ret)
+ goto nla_put_failure;
+ } else {
+ ret = -ESRCH;
+ goto out_err;
+ }
+
+ break;
+ }
+
+ case IPVS_CMD_GET_CONFIG:
+ {
+ struct ip_vs_timeout_user t;
+
+ __ip_vs_get_timeouts(&t);
+#ifdef CONFIG_IP_VS_PROTO_TCP
+ NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP, t.tcp_timeout);
+ NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP_FIN,
+ t.tcp_fin_timeout);
+#endif
+#ifdef CONFIG_IP_VS_PROTO_UDP
+ NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_UDP, t.udp_timeout);
+#endif
+
+ break;
+ }
+
+ case IPVS_CMD_GET_INFO:
+ NLA_PUT_U32(msg, IPVS_INFO_ATTR_VERSION, IP_VS_VERSION_CODE);
+ NLA_PUT_U32(msg, IPVS_INFO_ATTR_CONN_TAB_SIZE,
+ IP_VS_CONN_TAB_SIZE);
+ break;
+ }
+
+ genlmsg_end(msg, reply);
+ ret = genlmsg_unicast(msg, info->snd_pid);
+ goto out;
+
+nla_put_failure:
+ IP_VS_ERR("not enough space in Netlink message\n");
+ ret = -EMSGSIZE;
+
+out_err:
+ nlmsg_free(msg);
+out:
+ mutex_unlock(&__ip_vs_mutex);
+
+ return ret;
+}
+
+
+static struct genl_ops ip_vs_genl_ops[] __read_mostly = {
+ {
+ .cmd = IPVS_CMD_NEW_SERVICE,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_SET_SERVICE,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_DEL_SERVICE,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_GET_SERVICE,
+ .flags = GENL_ADMIN_PERM,
+ .doit = ip_vs_genl_get_cmd,
+ .dumpit = ip_vs_genl_dump_services,
+ .policy = ip_vs_cmd_policy,
+ },
+ {
+ .cmd = IPVS_CMD_NEW_DEST,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_SET_DEST,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_DEL_DEST,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_GET_DEST,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .dumpit = ip_vs_genl_dump_dests,
+ },
+ {
+ .cmd = IPVS_CMD_NEW_DAEMON,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_DEL_DAEMON,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_GET_DAEMON,
+ .flags = GENL_ADMIN_PERM,
+ .dumpit = ip_vs_genl_dump_daemons,
+ },
+ {
+ .cmd = IPVS_CMD_SET_CONFIG,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_GET_CONFIG,
+ .flags = GENL_ADMIN_PERM,
+ .doit = ip_vs_genl_get_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_GET_INFO,
+ .flags = GENL_ADMIN_PERM,
+ .doit = ip_vs_genl_get_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_ZERO,
+ .flags = GENL_ADMIN_PERM,
+ .policy = ip_vs_cmd_policy,
+ .doit = ip_vs_genl_set_cmd,
+ },
+ {
+ .cmd = IPVS_CMD_FLUSH,
+ .flags = GENL_ADMIN_PERM,
+ .doit = ip_vs_genl_set_cmd,
+ },
+};
+
+static int __init ip_vs_genl_register(void)
+{
+ int ret, i;
+
+ ret = genl_register_family(&ip_vs_genl_family);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(ip_vs_genl_ops); i++) {
+ ret = genl_register_ops(&ip_vs_genl_family, &ip_vs_genl_ops[i]);
+ if (ret)
+ goto err_out;
+ }
+ return 0;
+
+err_out:
+ genl_unregister_family(&ip_vs_genl_family);
+ return ret;
+}
+
+static void ip_vs_genl_unregister(void)
+{
+ genl_unregister_family(&ip_vs_genl_family);
+}
+
+/* End of Generic Netlink interface definitions */
+
int __init ip_vs_control_init(void)
{
@@ -2334,6 +3204,13 @@ int __init ip_vs_control_init(void)
return ret;
}
+ ret = ip_vs_genl_register();
+ if (ret) {
+ IP_VS_ERR("cannot register Generic Netlink interface.\n");
+ nf_unregister_sockopt(&ip_vs_sockopts);
+ return ret;
+ }
+
proc_net_fops_create(&init_net, "ip_vs", 0, &ip_vs_info_fops);
proc_net_fops_create(&init_net, "ip_vs_stats",0, &ip_vs_stats_fops);
@@ -2368,6 +3245,7 @@ void ip_vs_control_cleanup(void)
unregister_sysctl_table(sysctl_header);
proc_net_remove(&init_net, "ip_vs_stats");
proc_net_remove(&init_net, "ip_vs");
+ ip_vs_genl_unregister();
nf_unregister_sockopt(&ip_vs_sockopts);
LeaveFunction(2);
}
diff --git a/net/ipv4/ipvs/ip_vs_est.c b/net/ipv4/ipvs/ip_vs_est.c
index 5a20f93bd7f..4fb620ec208 100644
--- a/net/ipv4/ipvs/ip_vs_est.c
+++ b/net/ipv4/ipvs/ip_vs_est.c
@@ -124,8 +124,6 @@ void ip_vs_new_estimator(struct ip_vs_stats *stats)
est->outbps = stats->outbps<<5;
spin_lock_bh(&est_lock);
- if (list_empty(&est_list))
- mod_timer(&est_timer, jiffies + 2 * HZ);
list_add(&est->list, &est_list);
spin_unlock_bh(&est_lock);
}
@@ -136,11 +134,6 @@ void ip_vs_kill_estimator(struct ip_vs_stats *stats)
spin_lock_bh(&est_lock);
list_del(&est->list);
- while (list_empty(&est_list) && try_to_del_timer_sync(&est_timer) < 0) {
- spin_unlock_bh(&est_lock);
- cpu_relax();
- spin_lock_bh(&est_lock);
- }
spin_unlock_bh(&est_lock);
}
@@ -160,3 +153,14 @@ void ip_vs_zero_estimator(struct ip_vs_stats *stats)
est->inbps = 0;
est->outbps = 0;
}
+
+int __init ip_vs_estimator_init(void)
+{
+ mod_timer(&est_timer, jiffies + 2 * HZ);
+ return 0;
+}
+
+void ip_vs_estimator_cleanup(void)
+{
+ del_timer_sync(&est_timer);
+}
diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c
index 7a6a319f544..b9b334cccf3 100644
--- a/net/ipv4/ipvs/ip_vs_lblc.c
+++ b/net/ipv4/ipvs/ip_vs_lblc.c
@@ -388,14 +388,8 @@ static int ip_vs_lblc_done_svc(struct ip_vs_service *svc)
}
-static int ip_vs_lblc_update_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static inline struct ip_vs_dest *
-__ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph)
+__ip_vs_lblc_schedule(struct ip_vs_service *svc, struct iphdr *iph)
{
struct ip_vs_dest *dest, *least;
int loh, doh;
@@ -494,7 +488,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
tbl = (struct ip_vs_lblc_table *)svc->sched_data;
en = ip_vs_lblc_get(tbl, iph->daddr);
if (en == NULL) {
- dest = __ip_vs_wlc_schedule(svc, iph);
+ dest = __ip_vs_lblc_schedule(svc, iph);
if (dest == NULL) {
IP_VS_DBG(1, "no destination available\n");
return NULL;
@@ -509,7 +503,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
if (!(dest->flags & IP_VS_DEST_F_AVAILABLE)
|| atomic_read(&dest->weight) <= 0
|| is_overloaded(dest, svc)) {
- dest = __ip_vs_wlc_schedule(svc, iph);
+ dest = __ip_vs_lblc_schedule(svc, iph);
if (dest == NULL) {
IP_VS_DBG(1, "no destination available\n");
return NULL;
@@ -542,7 +536,6 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler =
.n_list = LIST_HEAD_INIT(ip_vs_lblc_scheduler.n_list),
.init_service = ip_vs_lblc_init_svc,
.done_service = ip_vs_lblc_done_svc,
- .update_service = ip_vs_lblc_update_svc,
.schedule = ip_vs_lblc_schedule,
};
diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c
index c234e73968a..f1c84503689 100644
--- a/net/ipv4/ipvs/ip_vs_lblcr.c
+++ b/net/ipv4/ipvs/ip_vs_lblcr.c
@@ -572,14 +572,8 @@ static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
}
-static int ip_vs_lblcr_update_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static inline struct ip_vs_dest *
-__ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph)
+__ip_vs_lblcr_schedule(struct ip_vs_service *svc, struct iphdr *iph)
{
struct ip_vs_dest *dest, *least;
int loh, doh;
@@ -679,7 +673,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
tbl = (struct ip_vs_lblcr_table *)svc->sched_data;
en = ip_vs_lblcr_get(tbl, iph->daddr);
if (en == NULL) {
- dest = __ip_vs_wlc_schedule(svc, iph);
+ dest = __ip_vs_lblcr_schedule(svc, iph);
if (dest == NULL) {
IP_VS_DBG(1, "no destination available\n");
return NULL;
@@ -693,7 +687,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
} else {
dest = ip_vs_dest_set_min(&en->set);
if (!dest || is_overloaded(dest, svc)) {
- dest = __ip_vs_wlc_schedule(svc, iph);
+ dest = __ip_vs_lblcr_schedule(svc, iph);
if (dest == NULL) {
IP_VS_DBG(1, "no destination available\n");
return NULL;
@@ -731,7 +725,6 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
.n_list = LIST_HEAD_INIT(ip_vs_lblcr_scheduler.n_list),
.init_service = ip_vs_lblcr_init_svc,
.done_service = ip_vs_lblcr_done_svc,
- .update_service = ip_vs_lblcr_update_svc,
.schedule = ip_vs_lblcr_schedule,
};
diff --git a/net/ipv4/ipvs/ip_vs_lc.c b/net/ipv4/ipvs/ip_vs_lc.c
index ebcdbf75ac6..2c3de1b6351 100644
--- a/net/ipv4/ipvs/ip_vs_lc.c
+++ b/net/ipv4/ipvs/ip_vs_lc.c
@@ -20,24 +20,6 @@
#include <net/ip_vs.h>
-static int ip_vs_lc_init_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int ip_vs_lc_done_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int ip_vs_lc_update_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static inline unsigned int
ip_vs_lc_dest_overhead(struct ip_vs_dest *dest)
{
@@ -99,9 +81,6 @@ static struct ip_vs_scheduler ip_vs_lc_scheduler = {
.refcnt = ATOMIC_INIT(0),
.module = THIS_MODULE,
.n_list = LIST_HEAD_INIT(ip_vs_lc_scheduler.n_list),
- .init_service = ip_vs_lc_init_svc,
- .done_service = ip_vs_lc_done_svc,
- .update_service = ip_vs_lc_update_svc,
.schedule = ip_vs_lc_schedule,
};
diff --git a/net/ipv4/ipvs/ip_vs_nq.c b/net/ipv4/ipvs/ip_vs_nq.c
index 92f3a677003..5330d5a2de1 100644
--- a/net/ipv4/ipvs/ip_vs_nq.c
+++ b/net/ipv4/ipvs/ip_vs_nq.c
@@ -37,27 +37,6 @@
#include <net/ip_vs.h>
-static int
-ip_vs_nq_init_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int
-ip_vs_nq_done_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int
-ip_vs_nq_update_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static inline unsigned int
ip_vs_nq_dest_overhead(struct ip_vs_dest *dest)
{
@@ -137,9 +116,6 @@ static struct ip_vs_scheduler ip_vs_nq_scheduler =
.refcnt = ATOMIC_INIT(0),
.module = THIS_MODULE,
.n_list = LIST_HEAD_INIT(ip_vs_nq_scheduler.n_list),
- .init_service = ip_vs_nq_init_svc,
- .done_service = ip_vs_nq_done_svc,
- .update_service = ip_vs_nq_update_svc,
.schedule = ip_vs_nq_schedule,
};
diff --git a/net/ipv4/ipvs/ip_vs_rr.c b/net/ipv4/ipvs/ip_vs_rr.c
index 358110d17e5..f7492911753 100644
--- a/net/ipv4/ipvs/ip_vs_rr.c
+++ b/net/ipv4/ipvs/ip_vs_rr.c
@@ -32,12 +32,6 @@ static int ip_vs_rr_init_svc(struct ip_vs_service *svc)
}
-static int ip_vs_rr_done_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static int ip_vs_rr_update_svc(struct ip_vs_service *svc)
{
svc->sched_data = &svc->destinations;
@@ -96,7 +90,6 @@ static struct ip_vs_scheduler ip_vs_rr_scheduler = {
.module = THIS_MODULE,
.n_list = LIST_HEAD_INIT(ip_vs_rr_scheduler.n_list),
.init_service = ip_vs_rr_init_svc,
- .done_service = ip_vs_rr_done_svc,
.update_service = ip_vs_rr_update_svc,
.schedule = ip_vs_rr_schedule,
};
diff --git a/net/ipv4/ipvs/ip_vs_sed.c b/net/ipv4/ipvs/ip_vs_sed.c
index 77663d84cbd..53f73bea66c 100644
--- a/net/ipv4/ipvs/ip_vs_sed.c
+++ b/net/ipv4/ipvs/ip_vs_sed.c
@@ -41,27 +41,6 @@
#include <net/ip_vs.h>
-static int
-ip_vs_sed_init_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int
-ip_vs_sed_done_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int
-ip_vs_sed_update_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static inline unsigned int
ip_vs_sed_dest_overhead(struct ip_vs_dest *dest)
{
@@ -139,9 +118,6 @@ static struct ip_vs_scheduler ip_vs_sed_scheduler =
.refcnt = ATOMIC_INIT(0),
.module = THIS_MODULE,
.n_list = LIST_HEAD_INIT(ip_vs_sed_scheduler.n_list),
- .init_service = ip_vs_sed_init_svc,
- .done_service = ip_vs_sed_done_svc,
- .update_service = ip_vs_sed_update_svc,
.schedule = ip_vs_sed_schedule,
};
diff --git a/net/ipv4/ipvs/ip_vs_wlc.c b/net/ipv4/ipvs/ip_vs_wlc.c
index 9b0ef86bb1f..df7ad8d7476 100644
--- a/net/ipv4/ipvs/ip_vs_wlc.c
+++ b/net/ipv4/ipvs/ip_vs_wlc.c
@@ -25,27 +25,6 @@
#include <net/ip_vs.h>
-static int
-ip_vs_wlc_init_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int
-ip_vs_wlc_done_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
-static int
-ip_vs_wlc_update_svc(struct ip_vs_service *svc)
-{
- return 0;
-}
-
-
static inline unsigned int
ip_vs_wlc_dest_overhead(struct ip_vs_dest *dest)
{
@@ -127,9 +106,6 @@ static struct ip_vs_scheduler ip_vs_wlc_scheduler =
.refcnt = ATOMIC_INIT(0),
.module = THIS_MODULE,
.n_list = LIST_HEAD_INIT(ip_vs_wlc_scheduler.n_list),
- .init_service = ip_vs_wlc_init_svc,
- .done_service = ip_vs_wlc_done_svc,
- .update_service = ip_vs_wlc_update_svc,
.schedule = ip_vs_wlc_schedule,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 00:11:47 +0000