[PATCH iproute2] ss: Identify a lot of netlink protocol names

[Vadim Kochan]

There were only few Netlink protocol names:

rtnl, fw, tcpdiag

which were printed on output.
So added the other ones.

Signed-off-by: Vadim Kochan <***@gmail.com>
---
misc/ss.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 55 insertions(+), 6 deletions(-)

diff --git a/misc/ss.c b/misc/ss.c
index 2420b51..576db4e 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -2960,12 +2960,63 @@ static int packet_show(struct filter *f)
return 0;
}

+static char *netlink_proto_name(int proto)
+{
+ switch (proto)
+ {
+ case NETLINK_ROUTE:
+ return "rtnl";
+ case NETLINK_USERSOCK:
+ return "user";
+ case NETLINK_FIREWALL:
+ return "fw";
+ case NETLINK_SOCK_DIAG:
+ return "tcpdiag";
+ case NETLINK_NFLOG:
+ return "nflog";
+ case NETLINK_XFRM:
+ return "xfrm";
+ case NETLINK_SELINUX:
+ return "selinux";
+ case NETLINK_ISCSI:
+ return "iscsi";
+ case NETLINK_AUDIT:
+ return "audit";
+ case NETLINK_FIB_LOOKUP:
+ return "fiblookup";
+ case NETLINK_CONNECTOR:
+ return "conn";
+ case NETLINK_NETFILTER:
+ return "nft";
+ case NETLINK_IP6_FW:
+ return "ip6fw";
+ case NETLINK_DNRTMSG:
+ return "decrt";
+ case NETLINK_KOBJECT_UEVENT:
+ return "uevent";
+ case NETLINK_GENERIC:
+ return "genl";
+ case NETLINK_SCSITRANSPORT:
+ return "scsitrans";
+ case NETLINK_ECRYPTFS:
+ return "ecryptfs";
+ case NETLINK_RDMA:
+ return "rdma";
+ case NETLINK_CRYPTO:
+ return "crypto";
+ }
+
+ return NULL;
+};
+
static void netlink_show_one(struct filter *f,
int prot, int pid, unsigned groups,
int state, int dst_pid, unsigned dst_group,
int rq, int wq,
unsigned long long sk, unsigned long long cb)
{
+ char *prot_name;
+
if (f->f) {
struct tcpstat tst;
tst.local.family = AF_NETLINK;
@@ -2983,14 +3034,12 @@ static void netlink_show_one(struct filter *f,
if (state_width)
printf("%-*s ", state_width, "UNCONN");
printf("%-6d %-6d ", rq, wq);
- if (resolve_services && prot == 0)
- printf("%*s:", addr_width, "rtnl");
- else if (resolve_services && prot == 3)
- printf("%*s:", addr_width, "fw");
- else if (resolve_services && prot == 4)
- printf("%*s:", addr_width, "tcpdiag");
+
+ if (resolve_services && (prot_name = netlink_proto_name(prot)))
+ printf("%*s:", addr_width, prot_name);
else
printf("%*d:", addr_width, prot);
+
if (pid == -1) {
printf("%-*s ", serv_width, "*");
} else if (resolve_services) {