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Searched refs:optlen (Results 1 – 25 of 150) sorted by relevance

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/linux/net/ipv4/
H A Dip_options.c50 memcpy(iph + sizeof(struct iphdr), opt->__data, opt->optlen); in ip_options_build()
82 int optlen; in __ip_options_echo() local
86 if (sopt->optlen == 0) in __ip_options_echo()
93 optlen = sptr[sopt->rr+1]; in __ip_options_echo()
95 dopt->rr = dopt->optlen + sizeof(struct iphdr); in __ip_options_echo()
96 memcpy(dptr, sptr+sopt->rr, optlen); in __ip_options_echo()
97 if (sopt->rr_needaddr && soffset <= optlen) { in __ip_options_echo()
98 if (soffset + 3 > optlen) in __ip_options_echo()
103 dptr += optlen; in __ip_options_echo()
104 dopt->optlen += optlen; in __ip_options_echo()
[all …]
H A Dcipso_ipv4.c1500 int optlen; in cipso_v4_optptr() local
1503 for (optlen = iph->ihl*4 - sizeof(struct iphdr); optlen > 1; ) { in cipso_v4_optptr()
1513 if (!taglen || taglen > optlen) in cipso_v4_optptr()
1518 optlen -= taglen; in cipso_v4_optptr()
1729 parm.opt.optlen = ip_hdr(skb)->ihl * 4 - sizeof(struct iphdr); in cipso_v4_error()
1813 int iter = 0, optlen = 0; in cipso_v4_get_actual_opt_len() local
1828 optlen = iter; in cipso_v4_get_actual_opt_len()
1831 return optlen; in cipso_v4_get_actual_opt_len()
1895 opt->opt.optlen = opt_len; in cipso_v4_sock_setattr()
1906 sk_conn->icsk_ext_hdr_len -= old->opt.optlen; in cipso_v4_sock_setattr()
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dsockopt_sk.c24 socklen_t optlen; in getsetsockopt() local
35 optlen = getpagesize() * 2; in getsetsockopt()
36 big_buf = calloc(1, optlen); in getsetsockopt()
43 err = setsockopt(fd, SOL_IP, IP_TOS, big_buf, optlen); in getsetsockopt()
49 memset(big_buf, 0, optlen); in getsetsockopt()
50 optlen = 1; in getsetsockopt()
51 err = getsockopt(fd, SOL_IP, IP_TOS, big_buf, &optlen); in getsetsockopt()
82 optlen = 4; in getsetsockopt()
83 err = getsockopt(fd, SOL_CUSTOM, 0, &buf, &optlen); in getsetsockopt()
89 if (optlen != 1) { in getsetsockopt()
[all …]
H A Dsockopt_multi.c12 socklen_t optlen; in run_getsockopt_test() local
26 optlen = 1; in run_getsockopt_test()
27 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
50 optlen = 1; in run_getsockopt_test()
51 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
75 optlen = 1; in run_getsockopt_test()
76 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
102 optlen = 1; in run_getsockopt_test()
103 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
118 optlen = 1; in run_getsockopt_test()
[all …]
H A Dsockopt.c237 offsetof(struct bpf_sockopt, optlen)),
267 offsetof(struct bpf_sockopt, optlen)),
335 offsetof(struct bpf_sockopt, optlen)),
514 offsetof(struct bpf_sockopt, optlen)),
569 offsetof(struct bpf_sockopt, optlen)),
617 offsetof(struct bpf_sockopt, optlen)),
624 offsetof(struct bpf_sockopt, optlen)),
646 offsetof(struct bpf_sockopt, optlen)),
663 offsetof(struct bpf_sockopt, optlen)),
682 offsetof(struct bpf_sockopt, optlen)),
[all …]
/linux/net/mptcp/
H A Dsockopt.c59 unsigned int optlen, int *val) in mptcp_get_int_option() argument
61 if (optlen < sizeof(int)) in mptcp_get_int_option()
180 unsigned int optlen) in mptcp_setsockopt_sol_socket_int() argument
184 ret = mptcp_get_int_option(msk, optval, optlen, &val); in mptcp_setsockopt_sol_socket_int()
214 unsigned int optlen) in mptcp_setsockopt_sol_socket_timestamping() argument
221 if (optlen == sizeof(timestamping)) { in mptcp_setsockopt_sol_socket_timestamping()
225 } else if (optlen == sizeof(int)) { in mptcp_setsockopt_sol_socket_timestamping()
260 unsigned int optlen) in mptcp_setsockopt_sol_socket_linger() argument
268 if (optlen < sizeof(ling)) in mptcp_setsockopt_sol_socket_linger()
301 sockptr_t optval, unsigned int optlen) in mptcp_setsockopt_sol_socket() argument
[all …]
/linux/tools/testing/selftests/bpf/progs/
H A Dsockopt_multi.c28 ctx->optlen = 1; in _getsockopt_child()
34 if (ctx->optlen > page_size) in _getsockopt_child()
35 ctx->optlen = 0; in _getsockopt_child()
57 ctx->optlen = 1; in _getsockopt_parent()
63 if (ctx->optlen > page_size) in _getsockopt_parent()
64 ctx->optlen = 0; in _getsockopt_parent()
81 ctx->optlen = 1; in _setsockopt()
87 if (ctx->optlen > page_size) in _setsockopt()
88 ctx->optlen = 0; in _setsockopt()
H A Dcgroup_getset_retval_setsockopt.c23 if (ctx->optlen > page_size) in get_retval()
24 ctx->optlen = 0; in get_retval()
38 if (ctx->optlen > page_size) in set_eunatch()
39 ctx->optlen = 0; in set_eunatch()
53 if (ctx->optlen > page_size) in set_eisconn()
54 ctx->optlen = 0; in set_eisconn()
65 if (ctx->optlen > page_size) in legacy_eperm()
66 ctx->optlen = 0; in legacy_eperm()
H A Dsockopt_sk.c98 ctx->optlen = 1; in _getsockopt()
128 ctx->optlen = 1; in _getsockopt()
134 if (ctx->optlen > page_size) in _getsockopt()
135 ctx->optlen = 0; in _getsockopt()
179 ctx->optlen = 0; /* bypass optval>PAGE_SIZE */ in _setsockopt()
190 ctx->optlen = 4; in _setsockopt()
202 ctx->optlen = 5; in _setsockopt()
209 if (ctx->optlen != page_size * 2) in _setsockopt()
217 ctx->optlen = 1; in _setsockopt()
243 ctx->optlen = -1; /* BPF has consumed this option, don't call kernel in _setsockopt()
[all …]
H A Dcgroup_getset_retval_getsockopt.c25 if (ctx->optlen > page_size) in get_retval()
26 ctx->optlen = 0; in get_retval()
40 if (ctx->optlen > page_size) in set_eisconn()
41 ctx->optlen = 0; in set_eisconn()
54 if (ctx->optlen > page_size) in clear_retval()
55 ctx->optlen = 0; in clear_retval()
H A Dsockopt_inherit.c72 ctx->optlen = 1; in _getsockopt()
78 if (ctx->optlen > page_size) in _getsockopt()
79 ctx->optlen = 0; in _getsockopt()
101 ctx->optlen = -1; in _setsockopt()
107 if (ctx->optlen > page_size) in _setsockopt()
108 ctx->optlen = 0; in _setsockopt()
H A Dtest_tcp_hdr_options.c161 __u8 optlen; in synack_opt_len()
176 optlen = option_total_len(passive_synack_out.flags); in synack_opt_len()
177 if (optlen) { in synack_opt_len()
178 err = bpf_reserve_hdr_opt(skops, optlen, 0); in synack_opt_len()
205 __u8 optlen;
211 optlen = option_total_len(active_syn_out.flags); in syn_opt_len()
212 if (optlen) { in syn_opt_len()
213 err = bpf_reserve_hdr_opt(skops, optlen, 0); in syn_opt_len()
233 __u8 optlen; in fin_opt_len()
248 optlen in fin_opt_len()
164 __u8 optlen; synack_opt_len() local
208 __u8 optlen; syn_opt_len() local
236 __u8 optlen; fin_opt_len() local
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H A Dtest_ldsx_insn.c72 old_optlen = ctx->optlen; in _getsockopt()
75 ctx->optlen = -1; in _getsockopt()
79 set_optlen = ctx->optlen; in _getsockopt()
82 ctx->optlen = old_optlen; in _getsockopt()
/linux/net/sctp/
H A Dsocket.c1390 int __user *optlen) in sctp_getsockopt_connectx3() argument
1427 if (put_user(sizeof(assoc_id), optlen)) in sctp_getsockopt_connectx3()
2220 unsigned int optlen) in sctp_setsockopt_disable_fragments() argument
2222 if (optlen < sizeof(int)) in sctp_setsockopt_disable_fragments()
2229 unsigned int optlen) in sctp_setsockopt_events() argument
2235 if (optlen > sizeof(struct sctp_event_subscribe)) in sctp_setsockopt_events()
2238 for (i = 0; i < optlen; i++) in sctp_setsockopt_events()
2278 unsigned int optlen) in sctp_setsockopt_autoclose() argument
2286 if (optlen != sizeof(int)) in sctp_setsockopt_autoclose()
2627 unsigned int optlen) in sctp_setsockopt_peer_addr_params() argument
[all …]
/linux/Documentation/bpf/
H A Dprog_cgroup_sockopt.rst16 all input arguments: ``level``, ``optname``, ``optval`` and ``optlen``.
26 If BPF program sets ``optlen`` to -1, the control will be returned
30 Note, that ``optlen`` can not be increased beyond the user-supplied
44 sockopt. The BPF hook can observe ``optval``, ``optlen`` and ``retval``
46 the values above, adjust ``optlen`` and reset ``retval`` to 0. If ``optlen``
60 * ``1`` - success: copy ``optval`` and ``optlen`` to userspace, return
78 adjust ``optval``, ``optlen`` and reset ``retval`` to 0. After that
84 to the input arguments (``level``, ``optname``, ``optval``, ``optlen``),
94 * Set ``optlen`` to zero, which indicates that the kernel should
97 * Set ``optlen`` to the value less than ``PAGE_SIZE``, which
[all …]
/linux/io_uring/
H A Dcmd_net.c31 int optlen, optname, level, err; in io_uring_cmd_getsockopt() local
40 optlen = READ_ONCE(sqe->optlen); in io_uring_cmd_getsockopt()
44 KERNEL_SOCKPTR(&optlen)); in io_uring_cmd_getsockopt()
49 return optlen; in io_uring_cmd_getsockopt()
58 int optname, optlen, level; in io_uring_cmd_setsockopt() local
64 optlen = READ_ONCE(sqe->optlen); in io_uring_cmd_setsockopt()
69 optlen); in io_uring_cmd_setsockopt()
165 peer = READ_ONCE(sqe->optlen); in io_uring_cmd_getsockname()
/linux/net/ipv6/netfilter/
H A Dip6t_hbh.c57 unsigned int optlen; in hbh_mt6() local
137 optlen = *lp + 2; in hbh_mt6()
140 optlen = 1; in hbh_mt6()
144 pr_debug("len%04X\n", optlen); in hbh_mt6()
146 if ((ptr > skb->len - optlen || hdrlen < optlen) && in hbh_mt6()
151 ptr += optlen; in hbh_mt6()
152 hdrlen -= optlen; in hbh_mt6()
/linux/net/dccp/
H A Dproto.c
H A Dccid.h
/linux/net/tls/
H A Dtls_main.c436 int __user *optlen, int tx) in do_tls_getsockopt_conf() argument
445 if (get_user(len, optlen)) in do_tls_getsockopt_conf()
497 int __user *optlen) in do_tls_getsockopt_tx_zc() argument
503 if (get_user(len, optlen)) in do_tls_getsockopt_tx_zc()
517 int __user *optlen) in do_tls_getsockopt_no_pad() argument
525 if (get_user(len, optlen)) in do_tls_getsockopt_no_pad()
536 if (put_user(sizeof(value), optlen)) in do_tls_getsockopt_no_pad()
545 int __user *optlen) in do_tls_getsockopt_tx_payload_len() argument
551 if (get_user(len, optlen)) in do_tls_getsockopt_tx_payload_len()
557 if (put_user(sizeof(payload_len), optlen)) in do_tls_getsockopt_tx_payload_len()
[all …]
/linux/net/ipv6/
H A Dexthdrs_core.c139 int optlen; in ipv6_find_tlv() local
146 optlen = 1; in ipv6_find_tlv()
151 optlen = nh[offset + 1] + 2; in ipv6_find_tlv()
152 if (optlen > len) in ipv6_find_tlv()
156 offset += optlen; in ipv6_find_tlv()
157 len -= optlen; in ipv6_find_tlv()
/linux/kernel/bpf/
H A Dcgroup.c1997 int *optlen, char **kernel_optval) in __cgroup_bpf_run_filter_setsockopt() argument
2012 max_optlen = max_t(int, 16, *optlen); in __cgroup_bpf_run_filter_setsockopt()
2017 ctx.optlen = *optlen; in __cgroup_bpf_run_filter_setsockopt()
2020 min(*optlen, max_optlen))) { in __cgroup_bpf_run_filter_setsockopt()
2033 if (ctx.optlen == -1) { in __cgroup_bpf_run_filter_setsockopt()
2036 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
2038 if (*optlen > PAGE_SIZE && ctx.optlen >= 0) { in __cgroup_bpf_run_filter_setsockopt()
2040 ctx.optlen, max_optlen); in __cgroup_bpf_run_filter_setsockopt()
2056 if (ctx.optlen != 0) { in __cgroup_bpf_run_filter_setsockopt()
2057 *optlen = ctx.optlen; in __cgroup_bpf_run_filter_setsockopt()
[all …]
/linux/net/xfrm/
H A Dxfrm_output.c231 int hdrlen, optlen; in xfrm4_beet_encap_add() local
234 optlen = XFRM_MODE_SKB_CB(skb)->optlen; in xfrm4_beet_encap_add()
235 if (unlikely(optlen)) in xfrm4_beet_encap_add()
236 hdrlen += IPV4_BEET_PHMAXLEN - (optlen & 4); in xfrm4_beet_encap_add()
252 if (unlikely(optlen)) { in xfrm4_beet_encap_add()
253 if (WARN_ON(optlen < 0)) in xfrm4_beet_encap_add()
256 ph->padlen = 4 - (optlen & 4); in xfrm4_beet_encap_add()
257 ph->hdrlen = optlen / 8; in xfrm4_beet_encap_add()
365 int optlen, hdr_len; in xfrm6_beet_encap_add() local
368 optlen = XFRM_MODE_SKB_CB(skb)->optlen; in xfrm6_beet_encap_add()
[all …]
/linux/net/netfilter/
H A Dxt_dccp.c43 unsigned int optlen = dh->dccph_doff*4 - __dccp_hdr_len(dh); in dccp_find_option() local
49 if (!optlen) in dccp_find_option()
53 op = skb_header_pointer(skb, protoff + optoff, optlen, dccp_optbuf); in dccp_find_option()
59 for (i = 0; i < optlen; ) { in dccp_find_option()
65 if (op[i] < 2 || i == optlen - 1) in dccp_find_option()
/linux/include/net/
H A Dgue.h90 static inline int validate_gue_flags(struct guehdr *guehdr, size_t optlen) in validate_gue_flags() argument
99 if (len > optlen) in validate_gue_flags()
113 if (len > optlen) in validate_gue_flags()

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