140 lines
3.6 KiB
Diff
140 lines
3.6 KiB
Diff
From 06bd12bd8e48182f7f3293bbec187b4e90da796f Mon Sep 17 00:00:00 2001
|
|
From: Andrea Claudi <aclaudi@redhat.com>
|
|
Date: Mon, 29 Jun 2020 14:36:51 +0200
|
|
Subject: [PATCH] ss: allow dumping kTLS info
|
|
|
|
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1812207
|
|
Upstream Status: iproute2.git commit 14cadc707b919
|
|
Conflicts: due to out-of-order cherry-pick of commit
|
|
712fdd98c0839 ("ss: allow dumping MPTCP subflow information")
|
|
|
|
commit 14cadc707b919914e9a2d5dffad9232c3ae97c5f
|
|
Author: Davide Caratti <dcaratti@redhat.com>
|
|
Date: Mon Oct 7 12:16:44 2019 +0200
|
|
|
|
ss: allow dumping kTLS info
|
|
|
|
now that INET_DIAG_INFO requests can dump TCP ULP information, extend 'ss'
|
|
to allow diagnosing kTLS when it is attached to a TCP socket. While at it,
|
|
import kTLS uAPI definitions from the latest net-next tree.
|
|
|
|
CC: Andrea Claudi <aclaudi@redhat.com>
|
|
Co-developed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
|
|
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
|
|
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
|
|
Signed-off-by: David Ahern <dsahern@gmail.com>
|
|
---
|
|
misc/ss.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 82 insertions(+)
|
|
|
|
diff --git a/misc/ss.c b/misc/ss.c
|
|
index 3d565af86087c..8285382bd6c4a 100644
|
|
--- a/misc/ss.c
|
|
+++ b/misc/ss.c
|
|
@@ -51,6 +51,7 @@
|
|
#include <linux/tipc.h>
|
|
#include <linux/tipc_netlink.h>
|
|
#include <linux/tipc_sockets_diag.h>
|
|
+#include <linux/tls.h>
|
|
#include <linux/mptcp.h>
|
|
|
|
/* AF_VSOCK/PF_VSOCK is only provided since glibc 2.18 */
|
|
@@ -2752,6 +2753,72 @@ static void print_md5sig(struct tcp_diag_md5sig *sig)
|
|
print_escape_buf(sig->tcpm_key, sig->tcpm_keylen, " ,");
|
|
}
|
|
|
|
+static void tcp_tls_version(struct rtattr *attr)
|
|
+{
|
|
+ u_int16_t val;
|
|
+
|
|
+ if (!attr)
|
|
+ return;
|
|
+ val = rta_getattr_u16(attr);
|
|
+
|
|
+ switch (val) {
|
|
+ case TLS_1_2_VERSION:
|
|
+ out(" version: 1.2");
|
|
+ break;
|
|
+ case TLS_1_3_VERSION:
|
|
+ out(" version: 1.3");
|
|
+ break;
|
|
+ default:
|
|
+ out(" version: unknown(%hu)", val);
|
|
+ break;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void tcp_tls_cipher(struct rtattr *attr)
|
|
+{
|
|
+ u_int16_t val;
|
|
+
|
|
+ if (!attr)
|
|
+ return;
|
|
+ val = rta_getattr_u16(attr);
|
|
+
|
|
+ switch (val) {
|
|
+ case TLS_CIPHER_AES_GCM_128:
|
|
+ out(" cipher: aes-gcm-128");
|
|
+ break;
|
|
+ case TLS_CIPHER_AES_GCM_256:
|
|
+ out(" cipher: aes-gcm-256");
|
|
+ break;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void tcp_tls_conf(const char *name, struct rtattr *attr)
|
|
+{
|
|
+ u_int16_t val;
|
|
+
|
|
+ if (!attr)
|
|
+ return;
|
|
+ val = rta_getattr_u16(attr);
|
|
+
|
|
+ switch (val) {
|
|
+ case TLS_CONF_BASE:
|
|
+ out(" %s: none", name);
|
|
+ break;
|
|
+ case TLS_CONF_SW:
|
|
+ out(" %s: sw", name);
|
|
+ break;
|
|
+ case TLS_CONF_HW:
|
|
+ out(" %s: hw", name);
|
|
+ break;
|
|
+ case TLS_CONF_HW_RECORD:
|
|
+ out(" %s: hw-record", name);
|
|
+ break;
|
|
+ default:
|
|
+ out(" %s: unknown(%hu)", name, val);
|
|
+ break;
|
|
+ }
|
|
+}
|
|
+
|
|
static void mptcp_subflow_info(struct rtattr *tb[])
|
|
{
|
|
u_int32_t flags = 0;
|
|
@@ -2966,6 +3033,21 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
|
|
parse_rtattr_nested(ulpinfo, INET_ULP_INFO_MAX,
|
|
tb[INET_DIAG_ULP_INFO]);
|
|
|
|
+ if (ulpinfo[INET_ULP_INFO_NAME])
|
|
+ out(" tcp-ulp-%s",
|
|
+ rta_getattr_str(ulpinfo[INET_ULP_INFO_NAME]));
|
|
+
|
|
+ if (ulpinfo[INET_ULP_INFO_TLS]) {
|
|
+ struct rtattr *tlsinfo[TLS_INFO_MAX + 1] = { 0 };
|
|
+
|
|
+ parse_rtattr_nested(tlsinfo, TLS_INFO_MAX,
|
|
+ ulpinfo[INET_ULP_INFO_TLS]);
|
|
+
|
|
+ tcp_tls_version(tlsinfo[TLS_INFO_VERSION]);
|
|
+ tcp_tls_cipher(tlsinfo[TLS_INFO_CIPHER]);
|
|
+ tcp_tls_conf("rxconf", tlsinfo[TLS_INFO_RXCONF]);
|
|
+ tcp_tls_conf("txconf", tlsinfo[TLS_INFO_TXCONF]);
|
|
+ }
|
|
if (ulpinfo[INET_ULP_INFO_MPTCP]) {
|
|
struct rtattr *sfinfo[MPTCP_SUBFLOW_ATTR_MAX + 1] =
|
|
{ 0 };
|
|
--
|
|
2.26.2
|
|
|