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authorMichal Luczaj <mhal@rbox.co>2025-05-15 01:15:24 +0300
committerMartin KaFai Lau <martin.lau@kernel.org>2025-05-23 00:26:58 +0300
commitfb1131d5e181604a6ef06a691709213decfe42bd (patch)
tree5df78a7760779f633c99c4b8513e011fb8f55154 /tools/testing/selftests/bpf/prog_tests
parent5ead949920c773d4c3a42988391c2e6d0f32650f (diff)
downloadlinux-fb1131d5e181604a6ef06a691709213decfe42bd.tar.xz
selftests/bpf: Support af_unix SOCK_DGRAM socket pair creation
Handle af_unix in init_addr_loopback(). For pair creation, bind() the peer socket to make SOCK_DGRAM connect() happy. Signed-off-by: Michal Luczaj <mhal@rbox.co> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/r/20250515-selftests-sockmap-redir-v3-1-a1ea723f7e7e@rbox.co
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/socket_helpers.h29
1 files changed, 24 insertions, 5 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/socket_helpers.h b/tools/testing/selftests/bpf/prog_tests/socket_helpers.h
index 1bdfb79ef009..e505c2f2595a 100644
--- a/tools/testing/selftests/bpf/prog_tests/socket_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/socket_helpers.h
@@ -3,6 +3,7 @@
#ifndef __SOCKET_HELPERS__
#define __SOCKET_HELPERS__
+#include <sys/un.h>
#include <linux/vm_sockets.h>
/* include/linux/net.h */
@@ -169,6 +170,15 @@ static inline void init_addr_loopback6(struct sockaddr_storage *ss,
*len = sizeof(*addr6);
}
+static inline void init_addr_loopback_unix(struct sockaddr_storage *ss,
+ socklen_t *len)
+{
+ struct sockaddr_un *addr = memset(ss, 0, sizeof(*ss));
+
+ addr->sun_family = AF_UNIX;
+ *len = sizeof(sa_family_t);
+}
+
static inline void init_addr_loopback_vsock(struct sockaddr_storage *ss,
socklen_t *len)
{
@@ -190,6 +200,9 @@ static inline void init_addr_loopback(int family, struct sockaddr_storage *ss,
case AF_INET6:
init_addr_loopback6(ss, len);
return;
+ case AF_UNIX:
+ init_addr_loopback_unix(ss, len);
+ return;
case AF_VSOCK:
init_addr_loopback_vsock(ss, len);
return;
@@ -315,21 +328,27 @@ static inline int create_pair(int family, int sotype, int *p0, int *p1)
{
__close_fd int s, c = -1, p = -1;
struct sockaddr_storage addr;
- socklen_t len = sizeof(addr);
+ socklen_t len;
int err;
s = socket_loopback(family, sotype);
if (s < 0)
return s;
- err = xgetsockname(s, sockaddr(&addr), &len);
- if (err)
- return err;
-
c = xsocket(family, sotype, 0);
if (c < 0)
return c;
+ init_addr_loopback(family, &addr, &len);
+ err = xbind(c, sockaddr(&addr), len);
+ if (err)
+ return err;
+
+ len = sizeof(addr);
+ err = xgetsockname(s, sockaddr(&addr), &len);
+ if (err)
+ return err;
+
err = connect(c, sockaddr(&addr), len);
if (err) {
if (errno != EINPROGRESS) {