| /linux-6.12.1/net/ipv4/ |
| D | ip_options.c | 50 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()
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| D | ip_sockglue.c | 76 if (IPCB(skb)->opt.optlen == 0) in ip_cmsg_recv_opts()
79 put_cmsg(msg, SOL_IP, IP_RECVOPTS, IPCB(skb)->opt.optlen, in ip_cmsg_recv_opts()
90 if (IPCB(skb)->opt.optlen == 0) in ip_cmsg_recv_retopts()
99 put_cmsg(msg, SOL_IP, IP_RETOPTS, opt->optlen, opt->__data); in ip_cmsg_recv_retopts()
699 sockptr_t optval, int optlen) in copy_group_source_from_sockptr() argument
704 if (optlen != sizeof(gr32)) in copy_group_source_from_sockptr()
712 if (optlen != sizeof(*greqs)) in copy_group_source_from_sockptr()
722 sockptr_t optval, int optlen) in do_mcast_group_source() argument
729 err = copy_group_source_from_sockptr(&greqs, optval, optlen); in do_mcast_group_source()
769 static int ip_set_mcast_msfilter(struct sock *sk, sockptr_t optval, int optlen) in ip_set_mcast_msfilter() argument
[all …]
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| /linux-6.12.1/tools/testing/selftests/bpf/prog_tests/ |
| D | sockopt_sk.c | 24 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()
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| D | sockopt_multi.c | 12 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 …]
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| D | sockopt.c | 237 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 …]
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| /linux-6.12.1/net/ipv6/ |
| D | ipv6_sockglue.c | 141 sockptr_t optval, int optlen) in copy_group_source_from_sockptr() argument
146 if (optlen < sizeof(gr32)) in copy_group_source_from_sockptr()
154 if (optlen < sizeof(*greqs)) in copy_group_source_from_sockptr()
164 sockptr_t optval, int optlen) in do_ipv6_mcast_group_source() argument
170 ret = copy_group_source_from_sockptr(&greqs, optval, optlen); in do_ipv6_mcast_group_source()
205 int optlen) in ipv6_set_mcast_msfilter() argument
210 if (optlen < GROUP_FILTER_SIZE(0)) in ipv6_set_mcast_msfilter()
212 if (optlen > READ_ONCE(sock_net(sk)->core.sysctl_optmem_max)) in ipv6_set_mcast_msfilter()
215 gsf = memdup_sockptr(optval, optlen); in ipv6_set_mcast_msfilter()
226 if (GROUP_FILTER_SIZE(gsf->gf_numsrc) > optlen) in ipv6_set_mcast_msfilter()
[all …]
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| D | exthdrs_core.c | 136 int optlen; in ipv6_find_tlv() local
143 optlen = 1; in ipv6_find_tlv()
148 optlen = nh[offset + 1] + 2; in ipv6_find_tlv()
149 if (optlen > len) in ipv6_find_tlv()
153 offset += optlen; in ipv6_find_tlv()
154 len -= optlen; in ipv6_find_tlv()
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| /linux-6.12.1/net/mptcp/ |
| D | sockopt.c | 59 unsigned int optlen, int *val) in mptcp_get_int_option() argument
61 if (optlen < sizeof(int)) in mptcp_get_int_option()
174 unsigned int optlen) in mptcp_setsockopt_sol_socket_int() argument
178 ret = mptcp_get_int_option(msk, optval, optlen, &val); in mptcp_setsockopt_sol_socket_int()
208 unsigned int optlen) in mptcp_setsockopt_sol_socket_timestamping() argument
215 if (optlen == sizeof(timestamping)) { in mptcp_setsockopt_sol_socket_timestamping()
219 } else if (optlen == sizeof(int)) { in mptcp_setsockopt_sol_socket_timestamping()
250 unsigned int optlen) in mptcp_setsockopt_sol_socket_linger() argument
258 if (optlen < sizeof(ling)) in mptcp_setsockopt_sol_socket_linger()
291 sockptr_t optval, unsigned int optlen) in mptcp_setsockopt_sol_socket() argument
[all …]
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| /linux-6.12.1/tools/testing/selftests/bpf/progs/ |
| D | sockopt_multi.c | 28 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()
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| D | cgroup_getset_retval_setsockopt.c | 23 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()
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| D | sockopt_sk.c | 98 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()
165 ctx->optlen = 0; /* bypass optval>PAGE_SIZE */ in _setsockopt()
176 ctx->optlen = 4; in _setsockopt()
188 ctx->optlen = 5; in _setsockopt()
195 if (ctx->optlen != page_size * 2) in _setsockopt()
203 ctx->optlen = 1; in _setsockopt()
227 ctx->optlen = -1; /* BPF has consumed this option, don't call kernel in _setsockopt()
[all …]
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| D | cgroup_getset_retval_getsockopt.c | 25 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()
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| D | sockopt_inherit.c | 72 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()
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| D | test_ldsx_insn.c | 72 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()
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| D | test_tcp_hdr_options.c | 164 __u8 optlen; in synack_opt_len() local
179 optlen = option_total_len(passive_synack_out.flags); in synack_opt_len()
180 if (optlen) { in synack_opt_len()
181 err = bpf_reserve_hdr_opt(skops, optlen, 0); in synack_opt_len()
208 __u8 optlen; in syn_opt_len() local
214 optlen = option_total_len(active_syn_out.flags); in syn_opt_len()
215 if (optlen) { in syn_opt_len()
216 err = bpf_reserve_hdr_opt(skops, optlen, 0); in syn_opt_len()
236 __u8 optlen; in fin_opt_len() local
251 optlen = option_total_len(opt->flags); in fin_opt_len()
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| /linux-6.12.1/net/sctp/ |
| D | socket.c | 1389 int __user *optlen) in sctp_getsockopt_connectx3() argument
1426 if (put_user(sizeof(assoc_id), optlen)) in sctp_getsockopt_connectx3()
2212 unsigned int optlen) in sctp_setsockopt_disable_fragments() argument
2214 if (optlen < sizeof(int)) in sctp_setsockopt_disable_fragments()
2221 unsigned int optlen) in sctp_setsockopt_events() argument
2227 if (optlen > sizeof(struct sctp_event_subscribe)) in sctp_setsockopt_events()
2230 for (i = 0; i < optlen; i++) in sctp_setsockopt_events()
2270 unsigned int optlen) in sctp_setsockopt_autoclose() argument
2278 if (optlen != sizeof(int)) in sctp_setsockopt_autoclose()
2619 unsigned int optlen) in sctp_setsockopt_peer_addr_params() argument
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| /linux-6.12.1/Documentation/bpf/ |
| D | prog_cgroup_sockopt.rst | 16 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 …]
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| /linux-6.12.1/net/ipv6/netfilter/ |
| D | ip6t_hbh.c | 57 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()
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| /linux-6.12.1/net/rds/ |
| D | af_rds.c | 331 int optlen) in rds_set_bool_option() argument
335 if (optlen < sizeof(int)) in rds_set_bool_option()
343 static int rds_cong_monitor(struct rds_sock *rs, sockptr_t optval, int optlen) in rds_cong_monitor() argument
347 ret = rds_set_bool_option(&rs->rs_cong_monitor, optval, optlen); in rds_cong_monitor()
360 static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen) in rds_set_transport() argument
367 if (optlen != sizeof(int)) in rds_set_transport()
382 int optlen, int optname) in rds_enable_recvtstamp() argument
386 if (optlen != sizeof(int)) in rds_enable_recvtstamp()
406 int optlen) in rds_recv_track_latency() argument
411 if (optlen != sizeof(struct rds_rx_trace_so)) in rds_recv_track_latency()
[all …]
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| /linux-6.12.1/net/netfilter/ |
| D | xt_tcpmss.c | 33 unsigned int i, optlen; in tcpmss_mt() local
44 optlen = th->doff*4 - sizeof(*th); in tcpmss_mt()
45 if (!optlen) in tcpmss_mt()
49 op = skb_header_pointer(skb, par->thoff + sizeof(*th), optlen, _opt); in tcpmss_mt()
53 for (i = 0; i < optlen; ) { in tcpmss_mt()
55 && (optlen - i) >= TCPOLEN_MSS in tcpmss_mt()
|
| /linux-6.12.1/net/dccp/ |
| D | proto.c | 415 sockptr_t optval, unsigned int optlen) in dccp_setsockopt_service() argument
421 optlen > DCCP_SERVICE_LIST_MAX_LEN * sizeof(u32)) in dccp_setsockopt_service()
424 if (optlen > sizeof(service)) { in dccp_setsockopt_service()
425 sl = kmalloc(optlen, GFP_KERNEL); in dccp_setsockopt_service()
429 sl->dccpsl_nr = optlen / sizeof(u32) - 1; in dccp_setsockopt_service()
431 sizeof(service), optlen - sizeof(service)) || in dccp_setsockopt_service()
485 sockptr_t optval, unsigned int optlen) in dccp_setsockopt_ccid() argument
490 if (optlen < 1 || optlen > DCCP_FEAT_MAX_SP_VALS) in dccp_setsockopt_ccid()
493 val = memdup_sockptr(optval, optlen); in dccp_setsockopt_ccid()
499 rc = dccp_feat_register_sp(sk, DCCPF_CCID, 1, val, optlen); in dccp_setsockopt_ccid()
[all …]
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| /linux-6.12.1/net/can/ |
| D | raw.c | 551 sockptr_t optval, unsigned int optlen) in raw_setsockopt() argument
568 if (optlen % sizeof(struct can_filter) != 0) in raw_setsockopt()
571 if (optlen > CAN_RAW_FILTER_MAX * sizeof(struct can_filter)) in raw_setsockopt()
574 count = optlen / sizeof(struct can_filter); in raw_setsockopt()
578 filter = memdup_sockptr(optval, optlen); in raw_setsockopt()
638 if (optlen != sizeof(err_mask)) in raw_setsockopt()
641 if (copy_from_sockptr(&err_mask, optval, optlen)) in raw_setsockopt()
681 if (optlen != sizeof(ro->loopback)) in raw_setsockopt()
684 if (copy_from_sockptr(&ro->loopback, optval, optlen)) in raw_setsockopt()
690 if (optlen != sizeof(ro->recv_own_msgs)) in raw_setsockopt()
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| /linux-6.12.1/net/tls/ |
| D | tls_main.c | 438 int __user *optlen, int tx) in do_tls_getsockopt_conf() argument
447 if (get_user(len, optlen)) in do_tls_getsockopt_conf()
499 int __user *optlen) in do_tls_getsockopt_tx_zc() argument
505 if (get_user(len, optlen)) in do_tls_getsockopt_tx_zc()
519 int __user *optlen) in do_tls_getsockopt_no_pad() argument
527 if (get_user(len, optlen)) in do_tls_getsockopt_no_pad()
538 if (put_user(sizeof(value), optlen)) in do_tls_getsockopt_no_pad()
547 char __user *optval, int __user *optlen) in do_tls_getsockopt() argument
556 rc = do_tls_getsockopt_conf(sk, optval, optlen, in do_tls_getsockopt()
560 rc = do_tls_getsockopt_tx_zc(sk, optval, optlen); in do_tls_getsockopt()
[all …]
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| /linux-6.12.1/include/net/ |
| D | tcp_ao.h | 185 sockptr_t optval, int optlen);
196 int tcp_ao_get_mkts(struct sock *sk, sockptr_t optval, sockptr_t optlen);
197 int tcp_ao_get_sock_info(struct sock *sk, sockptr_t optval, sockptr_t optlen);
198 int tcp_ao_get_repair(struct sock *sk, sockptr_t optval, sockptr_t optlen);
199 int tcp_ao_set_repair(struct sock *sk, sockptr_t optval, unsigned int optlen);
219 int tcp_v4_parse_ao(struct sock *sk, int cmd, sockptr_t optval, int optlen);
255 int tcp_v6_parse_ao(struct sock *sk, int cmd, sockptr_t optval, int optlen);
320 static inline int tcp_ao_get_mkts(struct sock *sk, sockptr_t optval, sockptr_t optlen) in tcp_ao_get_mkts() argument
325 static inline int tcp_ao_get_sock_info(struct sock *sk, sockptr_t optval, sockptr_t optlen) in tcp_ao_get_sock_info() argument
331 sockptr_t optval, sockptr_t optlen) in tcp_ao_get_repair() argument
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| /linux-6.12.1/kernel/bpf/ |
| D | cgroup.c | 1818 int *optlen, char **kernel_optval) in __cgroup_bpf_run_filter_setsockopt() argument
1833 max_optlen = max_t(int, 16, *optlen); in __cgroup_bpf_run_filter_setsockopt()
1838 ctx.optlen = *optlen; in __cgroup_bpf_run_filter_setsockopt()
1841 min(*optlen, max_optlen))) { in __cgroup_bpf_run_filter_setsockopt()
1854 if (ctx.optlen == -1) { in __cgroup_bpf_run_filter_setsockopt()
1857 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
1859 if (*optlen > PAGE_SIZE && ctx.optlen >= 0) { in __cgroup_bpf_run_filter_setsockopt()
1861 ctx.optlen, max_optlen); in __cgroup_bpf_run_filter_setsockopt()
1877 if (ctx.optlen != 0) { in __cgroup_bpf_run_filter_setsockopt()
1878 *optlen = ctx.optlen; in __cgroup_bpf_run_filter_setsockopt()
[all …]
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