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tipc: convert legacy nl name table dump to nl compat

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Add functionality for printing a dump header and convert
TIPC_CMD_SHOW_NAME_TABLE to compat dumpit.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe
2015-02-09 09:50:10 +01:00
committed by David S. Miller
parent 1817877b3c
commit 44a8ae94fd
4 changed files with 101 additions and 190 deletions
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101
net/tipc/netlink_compat.c
View File

@@ -35,6 +35,7 @@
#include "config.h"
#include "bearer.h"
#include "link.h"
#include "name_table.h"
#include <net/genetlink.h>
#include <linux/tipc_config.h>
@@ -58,6 +59,7 @@ struct tipc_nl_compat_msg {
};
struct tipc_nl_compat_cmd_dump {
int (*header)(struct tipc_nl_compat_msg *);
int (*dumpit)(struct sk_buff *, struct netlink_callback *);
int (*format)(struct tipc_nl_compat_msg *msg, struct nlattr **attrs);
};
@@ -246,6 +248,9 @@ static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
if (msg->rep_type)
tipc_tlv_init(msg->rep, msg->rep_type);
if (cmd->header)
(*cmd->header)(msg);
arg = nlmsg_new(0, GFP_KERNEL);
if (!arg) {
kfree_skb(msg->rep);
@@ -626,6 +631,93 @@ static int tipc_nl_compat_link_reset_stats(struct sk_buff *skb,
return 0;
}
static int tipc_nl_compat_name_table_dump_header(struct tipc_nl_compat_msg *msg)
{
int i;
u32 depth;
struct tipc_name_table_query *ntq;
static const char * const header[] = {
"Type ",
"Lower Upper ",
"Port Identity ",
"Publication Scope"
};
ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
depth = ntohl(ntq->depth);
if (depth > 4)
depth = 4;
for (i = 0; i < depth; i++)
tipc_tlv_sprintf(msg->rep, header[i]);
tipc_tlv_sprintf(msg->rep, "\n");
return 0;
}
static int tipc_nl_compat_name_table_dump(struct tipc_nl_compat_msg *msg,
struct nlattr **attrs)
{
char port_str[27];
struct tipc_name_table_query *ntq;
struct nlattr *nt[TIPC_NLA_NAME_TABLE_MAX + 1];
struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1];
u32 node, depth, type, lowbound, upbound;
static const char * const scope_str[] = {"", " zone", " cluster",
" node"};
nla_parse_nested(nt, TIPC_NLA_NAME_TABLE_MAX,
attrs[TIPC_NLA_NAME_TABLE], NULL);
nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, nt[TIPC_NLA_NAME_TABLE_PUBL],
NULL);
ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
depth = ntohl(ntq->depth);
type = ntohl(ntq->type);
lowbound = ntohl(ntq->lowbound);
upbound = ntohl(ntq->upbound);
if (!(depth & TIPC_NTQ_ALLTYPES) &&
(type != nla_get_u32(publ[TIPC_NLA_PUBL_TYPE])))
return 0;
if (lowbound && (lowbound > nla_get_u32(publ[TIPC_NLA_PUBL_UPPER])))
return 0;
if (upbound && (upbound < nla_get_u32(publ[TIPC_NLA_PUBL_LOWER])))
return 0;
tipc_tlv_sprintf(msg->rep, "%-10u ",
nla_get_u32(publ[TIPC_NLA_PUBL_TYPE]));
if (depth == 1)
goto out;
tipc_tlv_sprintf(msg->rep, "%-10u %-10u ",
nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]),
nla_get_u32(publ[TIPC_NLA_PUBL_UPPER]));
if (depth == 2)
goto out;
node = nla_get_u32(publ[TIPC_NLA_PUBL_NODE]);
sprintf(port_str, "<%u.%u.%u:%u>", tipc_zone(node), tipc_cluster(node),
tipc_node(node), nla_get_u32(publ[TIPC_NLA_PUBL_REF]));
tipc_tlv_sprintf(msg->rep, "%-26s ", port_str);
if (depth == 3)
goto out;
tipc_tlv_sprintf(msg->rep, "%-10u %s",
nla_get_u32(publ[TIPC_NLA_PUBL_REF]),
scope_str[nla_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]);
out:
tipc_tlv_sprintf(msg->rep, "\n");
return 0;
}
static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
{
struct tipc_nl_compat_cmd_dump dump;
@@ -675,6 +767,14 @@ static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
doit.doit = tipc_nl_link_reset_stats;
doit.transcode = tipc_nl_compat_link_reset_stats;
return tipc_nl_compat_doit(&doit, msg);
case TIPC_CMD_SHOW_NAME_TABLE:
msg->req_type = TIPC_TLV_NAME_TBL_QUERY;
msg->rep_size = ULTRA_STRING_MAX_LEN;
msg->rep_type = TIPC_TLV_ULTRA_STRING;
dump.header = tipc_nl_compat_name_table_dump_header;
dump.dumpit = tipc_nl_name_table_dump;
dump.format = tipc_nl_compat_name_table_dump;
return tipc_nl_compat_dumpit(&dump, msg);
}
return -EOPNOTSUPP;
@@ -780,6 +880,7 @@ static int tipc_nl_compat_tmp_wrap(struct sk_buff *skb, struct genl_info *info)
case TIPC_CMD_SET_LINK_PRI:
case TIPC_CMD_SET_LINK_WINDOW:
case TIPC_CMD_RESET_LINK_STATS:
case TIPC_CMD_SHOW_NAME_TABLE:
return tipc_nl_compat_recv(skb, info);
}