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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h355
1 files changed, 11 insertions, 344 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
index e880f97bc44d..d815efac52fd 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
@@ -1,129 +1,19 @@
#ifndef __SOCKMAP_HELPERS__
#define __SOCKMAP_HELPERS__
-#include <linux/vm_sockets.h>
+#include "socket_helpers.h"
-#define IO_TIMEOUT_SEC 30
-#define MAX_STRERR_LEN 256
#define MAX_TEST_NAME 80
-/* workaround for older vm_sockets.h */
-#ifndef VMADDR_CID_LOCAL
-#define VMADDR_CID_LOCAL 1
-#endif
+#define u32(v) ((u32){(v)})
+#define u64(v) ((u64){(v)})
#define __always_unused __attribute__((__unused__))
-#define _FAIL(errnum, fmt...) \
- ({ \
- error_at_line(0, (errnum), __func__, __LINE__, fmt); \
- CHECK_FAIL(true); \
- })
-#define FAIL(fmt...) _FAIL(0, fmt)
-#define FAIL_ERRNO(fmt...) _FAIL(errno, fmt)
-#define FAIL_LIBBPF(err, msg) \
- ({ \
- char __buf[MAX_STRERR_LEN]; \
- libbpf_strerror((err), __buf, sizeof(__buf)); \
- FAIL("%s: %s", (msg), __buf); \
- })
-
-/* Wrappers that fail the test on error and report it. */
-
-#define xaccept_nonblock(fd, addr, len) \
- ({ \
- int __ret = \
- accept_timeout((fd), (addr), (len), IO_TIMEOUT_SEC); \
- if (__ret == -1) \
- FAIL_ERRNO("accept"); \
- __ret; \
- })
-
-#define xbind(fd, addr, len) \
- ({ \
- int __ret = bind((fd), (addr), (len)); \
- if (__ret == -1) \
- FAIL_ERRNO("bind"); \
- __ret; \
- })
-
-#define xclose(fd) \
- ({ \
- int __ret = close((fd)); \
- if (__ret == -1) \
- FAIL_ERRNO("close"); \
- __ret; \
- })
-
-#define xconnect(fd, addr, len) \
- ({ \
- int __ret = connect((fd), (addr), (len)); \
- if (__ret == -1) \
- FAIL_ERRNO("connect"); \
- __ret; \
- })
-
-#define xgetsockname(fd, addr, len) \
- ({ \
- int __ret = getsockname((fd), (addr), (len)); \
- if (__ret == -1) \
- FAIL_ERRNO("getsockname"); \
- __ret; \
- })
-
-#define xgetsockopt(fd, level, name, val, len) \
- ({ \
- int __ret = getsockopt((fd), (level), (name), (val), (len)); \
- if (__ret == -1) \
- FAIL_ERRNO("getsockopt(" #name ")"); \
- __ret; \
- })
-
-#define xlisten(fd, backlog) \
- ({ \
- int __ret = listen((fd), (backlog)); \
- if (__ret == -1) \
- FAIL_ERRNO("listen"); \
- __ret; \
- })
-
-#define xsetsockopt(fd, level, name, val, len) \
- ({ \
- int __ret = setsockopt((fd), (level), (name), (val), (len)); \
- if (__ret == -1) \
- FAIL_ERRNO("setsockopt(" #name ")"); \
- __ret; \
- })
-
-#define xsend(fd, buf, len, flags) \
- ({ \
- ssize_t __ret = send((fd), (buf), (len), (flags)); \
- if (__ret == -1) \
- FAIL_ERRNO("send"); \
- __ret; \
- })
-
-#define xrecv_nonblock(fd, buf, len, flags) \
- ({ \
- ssize_t __ret = recv_timeout((fd), (buf), (len), (flags), \
- IO_TIMEOUT_SEC); \
- if (__ret == -1) \
- FAIL_ERRNO("recv"); \
- __ret; \
- })
-
-#define xsocket(family, sotype, flags) \
- ({ \
- int __ret = socket(family, sotype, flags); \
- if (__ret == -1) \
- FAIL_ERRNO("socket"); \
- __ret; \
- })
-
#define xbpf_map_delete_elem(fd, key) \
({ \
int __ret = bpf_map_delete_elem((fd), (key)); \
- if (__ret < 0) \
+ if (__ret < 0) \
FAIL_ERRNO("map_delete"); \
__ret; \
})
@@ -131,7 +21,7 @@
#define xbpf_map_lookup_elem(fd, key, val) \
({ \
int __ret = bpf_map_lookup_elem((fd), (key), (val)); \
- if (__ret < 0) \
+ if (__ret < 0) \
FAIL_ERRNO("map_lookup"); \
__ret; \
})
@@ -139,7 +29,7 @@
#define xbpf_map_update_elem(fd, key, val, flags) \
({ \
int __ret = bpf_map_update_elem((fd), (key), (val), (flags)); \
- if (__ret < 0) \
+ if (__ret < 0) \
FAIL_ERRNO("map_update"); \
__ret; \
})
@@ -148,7 +38,7 @@
({ \
int __ret = \
bpf_prog_attach((prog), (target), (type), (flags)); \
- if (__ret < 0) \
+ if (__ret < 0) \
FAIL_ERRNO("prog_attach(" #type ")"); \
__ret; \
})
@@ -156,7 +46,7 @@
#define xbpf_prog_detach2(prog, target, type) \
({ \
int __ret = bpf_prog_detach2((prog), (target), (type)); \
- if (__ret < 0) \
+ if (__ret < 0) \
FAIL_ERRNO("prog_detach2(" #type ")"); \
__ret; \
})
@@ -179,238 +69,15 @@
__ret; \
})
-static inline int poll_connect(int fd, unsigned int timeout_sec)
-{
- struct timeval timeout = { .tv_sec = timeout_sec };
- fd_set wfds;
- int r, eval;
- socklen_t esize = sizeof(eval);
-
- FD_ZERO(&wfds);
- FD_SET(fd, &wfds);
-
- r = select(fd + 1, NULL, &wfds, NULL, &timeout);
- if (r == 0)
- errno = ETIME;
- if (r != 1)
- return -1;
-
- if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &eval, &esize) < 0)
- return -1;
- if (eval != 0) {
- errno = eval;
- return -1;
- }
-
- return 0;
-}
-
-static inline int poll_read(int fd, unsigned int timeout_sec)
-{
- struct timeval timeout = { .tv_sec = timeout_sec };
- fd_set rfds;
- int r;
-
- FD_ZERO(&rfds);
- FD_SET(fd, &rfds);
-
- r = select(fd + 1, &rfds, NULL, NULL, &timeout);
- if (r == 0)
- errno = ETIME;
-
- return r == 1 ? 0 : -1;
-}
-
-static inline int accept_timeout(int fd, struct sockaddr *addr, socklen_t *len,
- unsigned int timeout_sec)
-{
- if (poll_read(fd, timeout_sec))
- return -1;
-
- return accept(fd, addr, len);
-}
-
-static inline int recv_timeout(int fd, void *buf, size_t len, int flags,
- unsigned int timeout_sec)
-{
- if (poll_read(fd, timeout_sec))
- return -1;
-
- return recv(fd, buf, len, flags);
-}
-
-static inline void init_addr_loopback4(struct sockaddr_storage *ss,
- socklen_t *len)
-{
- struct sockaddr_in *addr4 = memset(ss, 0, sizeof(*ss));
-
- addr4->sin_family = AF_INET;
- addr4->sin_port = 0;
- addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- *len = sizeof(*addr4);
-}
-
-static inline void init_addr_loopback6(struct sockaddr_storage *ss,
- socklen_t *len)
-{
- struct sockaddr_in6 *addr6 = memset(ss, 0, sizeof(*ss));
-
- addr6->sin6_family = AF_INET6;
- addr6->sin6_port = 0;
- addr6->sin6_addr = in6addr_loopback;
- *len = sizeof(*addr6);
-}
-
-static inline void init_addr_loopback_vsock(struct sockaddr_storage *ss,
- socklen_t *len)
-{
- struct sockaddr_vm *addr = memset(ss, 0, sizeof(*ss));
-
- addr->svm_family = AF_VSOCK;
- addr->svm_port = VMADDR_PORT_ANY;
- addr->svm_cid = VMADDR_CID_LOCAL;
- *len = sizeof(*addr);
-}
-
-static inline void init_addr_loopback(int family, struct sockaddr_storage *ss,
- socklen_t *len)
-{
- switch (family) {
- case AF_INET:
- init_addr_loopback4(ss, len);
- return;
- case AF_INET6:
- init_addr_loopback6(ss, len);
- return;
- case AF_VSOCK:
- init_addr_loopback_vsock(ss, len);
- return;
- default:
- FAIL("unsupported address family %d", family);
- }
-}
-
-static inline struct sockaddr *sockaddr(struct sockaddr_storage *ss)
-{
- return (struct sockaddr *)ss;
-}
-
-static inline int add_to_sockmap(int sock_mapfd, int fd1, int fd2)
-{
- u64 value;
- u32 key;
- int err;
-
- key = 0;
- value = fd1;
- err = xbpf_map_update_elem(sock_mapfd, &key, &value, BPF_NOEXIST);
- if (err)
- return err;
-
- key = 1;
- value = fd2;
- return xbpf_map_update_elem(sock_mapfd, &key, &value, BPF_NOEXIST);
-}
-
-static inline int create_pair(int s, int family, int sotype, int *c, int *p)
-{
- struct sockaddr_storage addr;
- socklen_t len;
- int err = 0;
-
- len = sizeof(addr);
- err = xgetsockname(s, sockaddr(&addr), &len);
- if (err)
- return err;
-
- *c = xsocket(family, sotype, 0);
- if (*c < 0)
- return errno;
- err = xconnect(*c, sockaddr(&addr), len);
- if (err) {
- err = errno;
- goto close_cli0;
- }
-
- *p = xaccept_nonblock(s, NULL, NULL);
- if (*p < 0) {
- err = errno;
- goto close_cli0;
- }
- return err;
-close_cli0:
- close(*c);
- return err;
-}
-
-static inline int create_socket_pairs(int s, int family, int sotype,
- int *c0, int *c1, int *p0, int *p1)
+static inline int add_to_sockmap(int mapfd, int fd1, int fd2)
{
int err;
- err = create_pair(s, family, sotype, c0, p0);
+ err = xbpf_map_update_elem(mapfd, &u32(0), &u64(fd1), BPF_NOEXIST);
if (err)
return err;
- err = create_pair(s, family, sotype, c1, p1);
- if (err) {
- close(*c0);
- close(*p0);
- }
- return err;
-}
-
-static inline int enable_reuseport(int s, int progfd)
-{
- int err, one = 1;
-
- err = xsetsockopt(s, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
- if (err)
- return -1;
- err = xsetsockopt(s, SOL_SOCKET, SO_ATTACH_REUSEPORT_EBPF, &progfd,
- sizeof(progfd));
- if (err)
- return -1;
-
- return 0;
+ return xbpf_map_update_elem(mapfd, &u32(1), &u64(fd2), BPF_NOEXIST);
}
-static inline int socket_loopback_reuseport(int family, int sotype, int progfd)
-{
- struct sockaddr_storage addr;
- socklen_t len = 0;
- int err, s;
-
- init_addr_loopback(family, &addr, &len);
-
- s = xsocket(family, sotype, 0);
- if (s == -1)
- return -1;
-
- if (progfd >= 0)
- enable_reuseport(s, progfd);
-
- err = xbind(s, sockaddr(&addr), len);
- if (err)
- goto close;
-
- if (sotype & SOCK_DGRAM)
- return s;
-
- err = xlisten(s, SOMAXCONN);
- if (err)
- goto close;
-
- return s;
-close:
- xclose(s);
- return -1;
-}
-
-static inline int socket_loopback(int family, int sotype)
-{
- return socket_loopback_reuseport(family, sotype, -1);
-}
-
-
#endif // __SOCKMAP_HELPERS__
generated by cgit (git 2.34.1) at 2025-07-23 20:32:43 +0000