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bpf: selftests: Support custom type and proto for client sockets

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Extend connect_to_fd_opts() to take optional type and protocol
parameters for the client socket. These parameters are useful when
opening a raw socket to send IP fragments.

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Link: https://lore.kernel.org/r/9067db539efdfd608aa86a2b143c521337c111fc.1689970773.git.dxu@dxuuu.xyz
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Daniel Xu
2023-07-21 14:22:48 -06:00
committed by Alexei Starovoitov
parent 3495e89cdc
commit e15a220956
2 changed files with 17 additions and 6 deletions
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tools/testing/selftests/bpf/network_helpers.c
+15 -6
View File
@@ -270,14 +270,23 @@ int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts)
opts = &default_opts;
optlen = sizeof(type);
if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) {
log_err("getsockopt(SOL_TYPE)");
return -1;
if (opts->type) {
type = opts->type;
} else {
if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) {
log_err("getsockopt(SOL_TYPE)");
return -1;
}
}
if (getsockopt(server_fd, SOL_SOCKET, SO_PROTOCOL, &protocol, &optlen)) {
log_err("getsockopt(SOL_PROTOCOL)");
return -1;
if (opts->proto) {
protocol = opts->proto;
} else {
if (getsockopt(server_fd, SOL_SOCKET, SO_PROTOCOL, &protocol, &optlen)) {
log_err("getsockopt(SOL_PROTOCOL)");
return -1;
}
}
addrlen = sizeof(addr);
tools/testing/selftests/bpf/network_helpers.h
+2
View File
@@ -22,6 +22,8 @@ struct network_helper_opts {
int timeout_ms;
bool must_fail;
bool noconnect;
int type;
int proto;
};
/* ipv4 test vector */