bpf/progs/setget_sockopt.c

28 	int opt;
41 	{ .opt = SO_REUSEADDR, .flip = 1, },
42 	{ .opt = SO_SNDBUF, .new = 8123, .expected = 8123 * 2, },
43 	{ .opt = SO_RCVBUF, .new = 8123, .expected = 8123 * 2, },
44 	{ .opt = SO_KEEPALIVE, .flip = 1, },
45 	{ .opt = SO_PRIORITY, .new = 0xeb9f, .expected = 0xeb9f, },
46 	{ .opt = SO_REUSEPORT, .flip = 1, },
47 	{ .opt = SO_RCVLOWAT, .new = 8123, .expected = 8123, },
48 	{ .opt = SO_MARK, .new = 0xeb9f, .expected = 0xeb9f, },
49 	{ .opt = SO_MAX_PACING_RATE, .new = 0xeb9f, .expected = 0xeb9f, },
50 	{ .opt = SO_TXREHASH, .flip = 1, },
51 	{ .opt = 0, },
55 	{ .opt = TCP_NODELAY, .flip = 1, },
56 	{ .opt = TCP_KEEPIDLE, .new = 123, .expected = 123, .restore = 321, },
57 	{ .opt = TCP_KEEPINTVL, .new = 123, .expected = 123, .restore = 321, },
58 	{ .opt = TCP_KEEPCNT, .new = 123, .expected = 123, .restore = 124, },
59 	{ .opt = TCP_SYNCNT, .new = 123, .expected = 123, .restore = 124, },
60 	{ .opt = TCP_WINDOW_CLAMP, .new = 8123, .expected = 8123, .restore = 8124, },
61 	{ .opt = TCP_CONGESTION, },
62 	{ .opt = TCP_THIN_LINEAR_TIMEOUTS, .flip = 1, },
63 	{ .opt = TCP_USER_TIMEOUT, .new = 123400, .expected = 123400, },
64 	{ .opt = TCP_NOTSENT_LOWAT, .new = 1314, .expected = 1314, },
65 	{ .opt = 0, },
69 	{ .opt = IP_TOS, .new = 0xe1, .expected = 0xe1, .tcp_expected = 0xe0, },
70 	{ .opt = 0, },
74 	{ .opt = IPV6_TCLASS, .new = 0xe1, .expected = 0xe1, .tcp_expected = 0xe0, },
75 	{ .opt = IPV6_AUTOFLOWLABEL, .flip = 1, },
76 	{ .opt = 0, },
88 	int old, tmp, new, opt = t->opt;
90 	opt = t->opt;
92 	if (bpf_getsockopt(ctx, level, opt, &old, sizeof(old)))
95 	if (level == SOL_SOCKET && opt == SO_TXREHASH && old != 0 && old != 1)
99 	if (bpf_setsockopt(ctx, level, opt, &new, sizeof(new)))
101 	if (bpf_getsockopt(ctx, level, opt, &tmp, sizeof(tmp)) ||
105 	if (bpf_setsockopt(ctx, level, opt, &old, sizeof(old)))
115 	int old, tmp, new, expected, opt;
117 	opt = t->opt;
124 	if (bpf_getsockopt(ctx, level, opt, &old, sizeof(old)) ||
128 	if (bpf_setsockopt(ctx, level, opt, &new, sizeof(new)))
130 	if (bpf_getsockopt(ctx, level, opt, &tmp, sizeof(tmp)) ||
136 	if (bpf_setsockopt(ctx, level, opt, &old, sizeof(old)))
150 	if (!t->opt)
167 	if (!t->opt)
184 	if (!t->opt)
203 	if (!t->opt)
209 	if (t->opt == TCP_CONGESTION) {