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Message-ID: <1521813662-9954-2-git-send-email-mohan.krishna.ghanta.krishnamurthy@ericsson.com>
Date: Fri, 23 Mar 2018 15:01:02 +0100
From: GhantaKrishnamurthy MohanKrishna
<mohan.krishna.ghanta.krishnamurthy@...csson.com>
To: <tipc-discussion@...ts.sourceforge.net>, <jon.maloy@...csson.com>,
<maloy@...jonn.com>, <ying.xue@...driver.com>,
<mohan.krishna.ghanta.krishnamurthy@...csson.com>,
<netdev@...r.kernel.org>, <stephen@...workplumber.org>
CC: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...il.com>
Subject: [iproute2 1/1] ss: Add support for TIPC socket diag in ss tool
For iproute 4.x
Allow TIPC socket statistics to be dumped with --tipc
and tipc specific info with --tipcinfo.
Acked-by: Jon Maloy <jon.maloy@...csson.com>
Signed-off-by: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@...csson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...il.com>
---
misc/ss.c | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 164 insertions(+), 2 deletions(-)
diff --git a/misc/ss.c b/misc/ss.c
index e047f9c04582..812f45717af9 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -45,6 +45,10 @@
#include <linux/netlink_diag.h>
#include <linux/sctp.h>
#include <linux/vm_sockets_diag.h>
+#include <linux/net.h>
+#include <linux/tipc.h>
+#include <linux/tipc_netlink.h>
+#include <linux/tipc_sockets_diag.h>
#define MAGIC_SEQ 123456
#define BUF_CHUNK (1024 * 1024)
@@ -104,6 +108,7 @@ int show_sock_ctx;
int show_header = 1;
int follow_events;
int sctp_ino;
+int show_tipcinfo;
enum col_id {
COL_NETID,
@@ -191,6 +196,7 @@ enum {
SCTP_DB,
VSOCK_ST_DB,
VSOCK_DG_DB,
+ TIPC_DB,
MAX_DB
};
@@ -230,6 +236,7 @@ enum {
#define SS_ALL ((1 << SS_MAX) - 1)
#define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV)))
+#define TIPC_SS_CONN ((1<<SS_ESTABLISHED)|(1<<SS_LISTEN)|(1<<SS_CLOSE))
#include "ssfilter.h"
@@ -297,6 +304,10 @@ static const struct filter default_dbs[MAX_DB] = {
.states = SS_CONN,
.families = FAMILY_MASK(AF_VSOCK),
},
+ [TIPC_DB] = {
+ .states = TIPC_SS_CONN,
+ .families = FAMILY_MASK(AF_TIPC),
+ },
};
static const struct filter default_afs[AF_MAX] = {
@@ -324,6 +335,10 @@ static const struct filter default_afs[AF_MAX] = {
.dbs = VSOCK_DBM,
.states = SS_CONN,
},
+ [AF_TIPC] = {
+ .dbs = (1 << TIPC_DB),
+ .states = TIPC_SS_CONN,
+ },
};
static int do_default = 1;
@@ -364,6 +379,7 @@ static void filter_default_dbs(struct filter *f)
filter_db_set(f, SCTP_DB);
filter_db_set(f, VSOCK_ST_DB);
filter_db_set(f, VSOCK_DG_DB);
+ filter_db_set(f, TIPC_DB);
}
static void filter_states_set(struct filter *f, int states)
@@ -748,6 +764,14 @@ static const char *sctp_sstate_name[] = {
[SCTP_STATE_SHUTDOWN_ACK_SENT] = "ACK_SENT",
};
+static const char * const stype_nameg[] = {
+ "UNKNOWN",
+ [SOCK_STREAM] = "STREAM",
+ [SOCK_DGRAM] = "DGRAM",
+ [SOCK_RDM] = "RDM",
+ [SOCK_SEQPACKET] = "SEQPACKET",
+};
+
struct sockstat {
struct sockstat *next;
unsigned int type;
@@ -888,6 +912,22 @@ static const char *vsock_netid_name(int type)
}
}
+static const char *tipc_netid_name(int type)
+{
+ switch (type) {
+ case SOCK_STREAM:
+ return "ti_st";
+ case SOCK_DGRAM:
+ return "ti_dg";
+ case SOCK_RDM:
+ return "ti_rd";
+ case SOCK_SEQPACKET:
+ return "ti_sq";
+ default:
+ return "???";
+ }
+}
+
/* Allocate and initialize a new buffer chunk */
static struct buf_chunk *buf_chunk_new(void)
{
@@ -1274,6 +1314,9 @@ static void sock_state_print(struct sockstat *s)
case AF_NETLINK:
sock_name = "nl";
break;
+ case AF_TIPC:
+ sock_name = tipc_netid_name(s->type);
+ break;
case AF_VSOCK:
sock_name = vsock_netid_name(s->type);
break;
@@ -4250,6 +4293,105 @@ static int vsock_show(struct filter *f)
return handle_netlink_request(f, &req.nlh, sizeof(req), vsock_show_sock);
}
+static void tipc_sock_addr_print(struct rtattr *net_addr, struct rtattr *id)
+{
+ uint32_t node = rta_getattr_u32(net_addr);
+ uint32_t identity = rta_getattr_u32(id);
+
+ SPRINT_BUF(addr) = {};
+ SPRINT_BUF(port) = {};
+
+ sprintf(addr, "%u", node);
+ sprintf(port, "%u", identity);
+ sock_addr_print(addr, ":", port, NULL);
+
+}
+
+static int tipc_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh,
+ void *arg)
+{
+ struct rtattr *stat[TIPC_NLA_SOCK_STAT_MAX + 1] = {};
+ struct rtattr *attrs[TIPC_NLA_SOCK_MAX + 1] = {};
+ struct rtattr *con[TIPC_NLA_CON_MAX + 1] = {};
+ struct rtattr *info[TIPC_NLA_MAX + 1] = {};
+ struct rtattr *msg_ref;
+ struct sockstat ss = {};
+
+ parse_rtattr(info, TIPC_NLA_MAX, NLMSG_DATA(nlh),
+ NLMSG_PAYLOAD(nlh, 0));
+
+ if (!info[TIPC_NLA_SOCK])
+ return 0;
+
+ msg_ref = info[TIPC_NLA_SOCK];
+ parse_rtattr(attrs, TIPC_NLA_SOCK_MAX, RTA_DATA(msg_ref),
+ RTA_PAYLOAD(msg_ref));
+
+ msg_ref = attrs[TIPC_NLA_SOCK_STAT];
+ parse_rtattr(stat, TIPC_NLA_SOCK_STAT_MAX,
+ RTA_DATA(msg_ref), RTA_PAYLOAD(msg_ref));
+
+
+ ss.local.family = AF_TIPC;
+ ss.type = rta_getattr_u32(attrs[TIPC_NLA_SOCK_TYPE]);
+ ss.state = rta_getattr_u32(attrs[TIPC_NLA_SOCK_TIPC_STATE]);
+ ss.uid = rta_getattr_u32(attrs[TIPC_NLA_SOCK_UID]);
+ ss.ino = rta_getattr_u32(attrs[TIPC_NLA_SOCK_INO]);
+ ss.rq = rta_getattr_u32(stat[TIPC_NLA_SOCK_STAT_RCVQ]);
+ ss.wq = rta_getattr_u32(stat[TIPC_NLA_SOCK_STAT_SENDQ]);
+ ss.sk = rta_getattr_u64(attrs[TIPC_NLA_SOCK_COOKIE]);
+
+ sock_state_print (&ss);
+
+ tipc_sock_addr_print(attrs[TIPC_NLA_SOCK_ADDR],
+ attrs[TIPC_NLA_SOCK_REF]);
+
+ msg_ref = attrs[TIPC_NLA_SOCK_CON];
+ if (msg_ref) {
+ parse_rtattr(con, TIPC_NLA_CON_MAX,
+ RTA_DATA(msg_ref), RTA_PAYLOAD(msg_ref));
+
+ tipc_sock_addr_print(con[TIPC_NLA_CON_NODE],
+ con[TIPC_NLA_CON_SOCK]);
+ } else
+ sock_addr_print("", "-", "", NULL);
+
+ if (show_details)
+ sock_details_print(&ss);
+
+ proc_ctx_print(&ss);
+
+ if (show_tipcinfo) {
+ out("\n type:%s", stype_nameg[ss.type]);
+ out(" cong:%s ",
+ stat[TIPC_NLA_SOCK_STAT_LINK_CONG] ? "link" :
+ stat[TIPC_NLA_SOCK_STAT_CONN_CONG] ? "conn" : "none");
+ out(" drop:%d ",
+ rta_getattr_u32(stat[TIPC_NLA_SOCK_STAT_DROP]));
+
+ if (attrs[TIPC_NLA_SOCK_HAS_PUBL])
+ out(" publ");
+
+ if (con[TIPC_NLA_CON_FLAG])
+ out(" via {%u,%u} ",
+ rta_getattr_u32(con[TIPC_NLA_CON_TYPE]),
+ rta_getattr_u32(con[TIPC_NLA_CON_INST]));
+ }
+
+ return 0;
+}
+
+static int tipc_show(struct filter *f)
+{
+ DIAG_REQUEST(req, struct tipc_sock_diag_req r);
+
+ memset(&req.r, 0, sizeof(req.r));
+ req.r.sdiag_family = AF_TIPC;
+ req.r.tidiag_states = f->states;
+
+ return handle_netlink_request(f, &req.nlh, sizeof(req), tipc_show_sock);
+}
+
struct sock_diag_msg {
__u8 sdiag_family;
};
@@ -4494,6 +4636,7 @@ static void _usage(FILE *dest)
" -m, --memory show socket memory usage\n"
" -p, --processes show process using socket\n"
" -i, --info show internal TCP information\n"
+" --tipcinfo show internal tipc socket information\n"
" -s, --summary show socket usage summary\n"
" -b, --bpf show bpf filter socket information\n"
" -E, --events continually display sockets as they are destroyed\n"
@@ -4510,15 +4653,16 @@ static void _usage(FILE *dest)
" -d, --dccp display only DCCP sockets\n"
" -w, --raw display only RAW sockets\n"
" -x, --unix display only Unix domain sockets\n"
+" --tipc display only TIPC sockets\n"
" --vsock display only vsock sockets\n"
" -f, --family=FAMILY display sockets of type FAMILY\n"
-" FAMILY := {inet|inet6|link|unix|netlink|vsock|help}\n"
+" FAMILY := {inet|inet6|link|unix|netlink|vsock|tipc|help}\n"
"\n"
" -K, --kill forcibly close sockets, display what was closed\n"
" -H, --no-header Suppress header line\n"
"\n"
" -A, --query=QUERY, --socket=QUERY\n"
-" QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram}[,QUERY]\n"
+" QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram|tipc}[,QUERY]\n"
"\n"
" -D, --diag=FILE Dump raw information about TCP sockets to FILE\n"
" -F, --filter=FILE read filter information from FILE\n"
@@ -4594,6 +4738,10 @@ static int scan_state(const char *state)
/* Values 'v' and 'V' are already used so a non-character is used */
#define OPT_VSOCK 256
+/* Values of 't' are already used so a non-character is used */
+#define OPT_TIPCSOCK 257
+#define OPT_TIPCINFO 258
+
static const struct option long_opts[] = {
{ "numeric", 0, 0, 'n' },
{ "resolve", 0, 0, 'r' },
@@ -4610,6 +4758,7 @@ static const struct option long_opts[] = {
{ "udp", 0, 0, 'u' },
{ "raw", 0, 0, 'w' },
{ "unix", 0, 0, 'x' },
+ { "tipc", 0, 0, OPT_TIPCSOCK},
{ "vsock", 0, 0, OPT_VSOCK },
{ "all", 0, 0, 'a' },
{ "listening", 0, 0, 'l' },
@@ -4627,6 +4776,7 @@ static const struct option long_opts[] = {
{ "context", 0, 0, 'Z' },
{ "contexts", 0, 0, 'z' },
{ "net", 1, 0, 'N' },
+ { "tipcinfo", 0, 0, OPT_TIPCINFO},
{ "kill", 0, 0, 'K' },
{ "no-header", 0, 0, 'H' },
{ 0 }
@@ -4699,6 +4849,9 @@ int main(int argc, char *argv[])
case OPT_VSOCK:
filter_af_set(¤t_filter, AF_VSOCK);
break;
+ case OPT_TIPCSOCK:
+ filter_af_set(¤t_filter, AF_TIPC);
+ break;
case 'a':
state_filter = SS_ALL;
break;
@@ -4725,6 +4878,8 @@ int main(int argc, char *argv[])
filter_af_set(¤t_filter, AF_UNIX);
else if (strcmp(optarg, "netlink") == 0)
filter_af_set(¤t_filter, AF_NETLINK);
+ else if (strcmp(optarg, "tipc") == 0)
+ filter_af_set(¤t_filter, AF_TIPC);
else if (strcmp(optarg, "vsock") == 0)
filter_af_set(¤t_filter, AF_VSOCK);
else if (strcmp(optarg, "help") == 0)
@@ -4801,6 +4956,8 @@ int main(int argc, char *argv[])
} else if (strcmp(p, "vsock_dgram") == 0 ||
strcmp(p, "v_dgr") == 0) {
filter_db_set(¤t_filter, VSOCK_DG_DB);
+ } else if (strcmp(optarg, "tipc") == 0) {
+ filter_db_set(¤t_filter, TIPC_DB);
} else {
fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p);
usage();
@@ -4848,6 +5005,9 @@ int main(int argc, char *argv[])
if (netns_switch(optarg))
exit(1);
break;
+ case OPT_TIPCINFO:
+ show_tipcinfo = 1;
+ break;
case 'K':
current_filter.kill = 1;
break;
@@ -4979,6 +5139,8 @@ int main(int argc, char *argv[])
sctp_show(¤t_filter);
if (current_filter.dbs & VSOCK_DBM)
vsock_show(¤t_filter);
+ if (current_filter.dbs & (1<<TIPC_DB))
+ tipc_show(¤t_filter);
if (show_users || show_proc_ctx || show_sock_ctx)
user_ent_destroy();
--
2.1.4
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