From: Stefano Garzarella <sgarzare@redhat.com>
To: netdev@vger.kernel.org
Cc: kvm@vger.kernel.org, Stefan Hajnoczi <stefanha@redhat.com>,
Dexuan Cui <decui@microsoft.com>,
virtualization@lists.linux-foundation.org,
"David S. Miller" <davem@davemloft.net>,
Jorgen Hansen <jhansen@vmware.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 08/11] VSOCK: add vsock_get_local_cid() test utility
Date: Thu, 1 Aug 2019 17:25:38 +0200 [thread overview]
Message-ID: <20190801152541.245833-9-sgarzare@redhat.com> (raw)
In-Reply-To: <20190801152541.245833-1-sgarzare@redhat.com>
This patch adds utility to get local CID, useful to
understand if we are in the host or guest.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
tools/testing/vsock/util.c | 17 +++++++++++++++++
tools/testing/vsock/util.h | 1 +
2 files changed, 18 insertions(+)
diff --git a/tools/testing/vsock/util.c b/tools/testing/vsock/util.c
index d46a6e079b96..41b94495ecb1 100644
--- a/tools/testing/vsock/util.c
+++ b/tools/testing/vsock/util.c
@@ -13,6 +13,7 @@
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
+#include <assert.h>
#include "timeout.h"
#include "control.h"
@@ -44,6 +45,22 @@ unsigned int parse_cid(const char *str)
return n;
}
+/* Get the local CID */
+unsigned int vsock_get_local_cid(int fd)
+{
+ struct sockaddr_vm svm;
+ socklen_t svm_len = sizeof(svm);
+
+ if (getsockname(fd, (struct sockaddr *) &svm, &svm_len)) {
+ perror("getsockname");
+ exit(EXIT_FAILURE);
+ }
+
+ assert(svm.svm_family == AF_VSOCK);
+
+ return svm.svm_cid;
+}
+
/* Connect to <cid, port> and return the file descriptor. */
int vsock_stream_connect(unsigned int cid, unsigned int port)
{
diff --git a/tools/testing/vsock/util.h b/tools/testing/vsock/util.h
index fe524d393d67..379e02ab59bb 100644
--- a/tools/testing/vsock/util.h
+++ b/tools/testing/vsock/util.h
@@ -36,6 +36,7 @@ unsigned int parse_cid(const char *str);
int vsock_stream_connect(unsigned int cid, unsigned int port);
int vsock_stream_accept(unsigned int cid, unsigned int port,
struct sockaddr_vm *clientaddrp);
+unsigned int vsock_get_local_cid(int fd);
void send_byte(int fd, int expected_ret);
void recv_byte(int fd, int expected_ret);
void run_tests(const struct test_case *test_cases,
--
2.20.1
next prev parent reply other threads:[~2019-08-01 15:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-01 15:25 [PATCH v2 00/11] VSOCK: add vsock_test test suite Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 01/11] VSOCK: fix header include in vsock_diag_test Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 02/11] VSOCK: add SPDX identifiers to vsock tests Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 03/11] VSOCK: extract utility functions from vsock_diag_test.c Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 04/11] VSOCK: extract connect/accept " Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 05/11] VSOCK: add full barrier between test cases Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 06/11] VSOCK: add send_byte()/recv_byte() test utilities Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 07/11] VSOCK: add AF_VSOCK test cases Stefano Garzarella
2019-10-09 10:03 ` Stefano Garzarella
2019-10-09 15:15 ` Stefan Hajnoczi
2019-10-10 8:47 ` Stefano Garzarella
2019-08-01 15:25 ` Stefano Garzarella [this message]
2019-08-01 15:25 ` [PATCH v2 09/11] vsock_test: add --transport parameter Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 10/11] vsock_test: skip read() in test_stream*close tests on a VMCI host Stefano Garzarella
2019-08-01 15:53 ` Sergei Shtylyov
2019-08-01 15:58 ` Stefano Garzarella
2019-08-20 8:32 ` Stefan Hajnoczi
2019-08-22 10:08 ` Stefano Garzarella
2019-08-01 15:25 ` [PATCH v2 11/11] vsock_test: wait for the remote to close the connection Stefano Garzarella
2019-08-20 8:28 ` Stefan Hajnoczi
2019-08-22 9:15 ` Stefano Garzarella
2019-08-23 10:09 ` Stefan Hajnoczi
2019-08-01 16:16 ` [PATCH v2 00/11] VSOCK: add vsock_test test suite Dexuan Cui
2019-08-02 7:55 ` Stefano Garzarella
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