bpf/progs/test_tcp_hdr_options.c

89 		struct tcp_exprm_opt exprm;
95 		write_opt.exprm.kind = TCPOPT_EXP;
96 		write_opt.exprm.len = option_total_len(test_opt->flags);
97 		write_opt.exprm.magic = __bpf_htons(test_magic);
98 		write_opt.exprm.data32 = 0;
99 		write_test_option(test_opt, write_opt.exprm.data);
100 		err = bpf_store_hdr_opt(skops, &write_opt.exprm,
101 					sizeof(write_opt.exprm), 0);
134 		struct tcp_exprm_opt exprm;
140 		search_opt.exprm.kind = TCPOPT_EXP;
141 		search_opt.exprm.len = 4;
142 		search_opt.exprm.magic = __bpf_htons(test_magic);
143 		search_opt.exprm.data32 = 0;
144 		ret = bpf_load_hdr_opt(skops, &search_opt.exprm,
145 				       sizeof(search_opt.exprm), load_flags);
148 		return parse_test_option(test_opt, search_opt.exprm.data);