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Searched refs:optlen (Results 1 – 25 of 170) sorted by relevance

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/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()
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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/ipv6/
H A Dipv6_sockglue.c141 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 …]
H A Dexthdrs_core.c136 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()
/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()
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 …]
/linux/net/ipv4/
H A Dip_sockglue.c76 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
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H A Dcipso_ipv4.c1501 int optlen; in cipso_v4_optptr() local
1504 for (optlen = iph->ihl*4 - sizeof(struct iphdr); optlen > 1; ) { in cipso_v4_optptr()
1514 if (!taglen || taglen > optlen) in cipso_v4_optptr()
1519 optlen -= taglen; in cipso_v4_optptr()
1731 opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr); in cipso_v4_error()
1815 int iter = 0, optlen = 0; in cipso_v4_get_actual_opt_len() local
1830 optlen = iter; in cipso_v4_get_actual_opt_len()
1833 return optlen; in cipso_v4_get_actual_opt_len()
1897 opt->opt.optlen = opt_len; in cipso_v4_sock_setattr()
1908 sk_conn->icsk_ext_hdr_len -= old->opt.optlen; in cipso_v4_sock_setattr()
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/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 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()
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 …]
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 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.c164 __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()
[all …]
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.c1389 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
[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
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/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/rds/
H A Daf_rds.c331 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 …]
/linux/net/dccp/
H A Dproto.c415 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 …]
/linux/net/netfilter/
H A Dxt_tcpmss.c33 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/net/tls/
H A Dtls_main.c438 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 …]
/linux/kernel/bpf/
H A Dcgroup.c1818 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()
1855 /* optlen set to -1, bypass kernel */ in __cgroup_bpf_run_filter_setsockopt()
1857 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
1858 /* optlen i in __cgroup_bpf_run_filter_setsockopt()
1909 __cgroup_bpf_run_filter_getsockopt(struct sock * sk,int level,int optname,sockptr_t optval,sockptr_t optlen,int max_optlen,int retval) __cgroup_bpf_run_filter_getsockopt() argument
1994 __cgroup_bpf_run_filter_getsockopt_kern(struct sock * sk,int level,int optname,void * optval,int * optlen,int retval) __cgroup_bpf_run_filter_getsockopt_kern() argument
[all...]
/linux/net/xfrm/
H A Dxfrm_output.c228 int hdrlen, optlen; in xfrm4_beet_encap_add() local
231 optlen = XFRM_MODE_SKB_CB(skb)->optlen; in xfrm4_beet_encap_add()
232 if (unlikely(optlen)) in xfrm4_beet_encap_add()
233 hdrlen += IPV4_BEET_PHMAXLEN - (optlen & 4); in xfrm4_beet_encap_add()
249 if (unlikely(optlen)) { in xfrm4_beet_encap_add()
250 if (WARN_ON(optlen < 0)) in xfrm4_beet_encap_add()
253 ph->padlen = 4 - (optlen & 4); in xfrm4_beet_encap_add()
254 ph->hdrlen = optlen / 8; in xfrm4_beet_encap_add()
358 int optlen, hdr_len; in xfrm6_beet_encap_add() local
361 optlen = XFRM_MODE_SKB_CB(skb)->optlen; in xfrm6_beet_encap_add()
[all …]
/linux/io_uring/
H A During_cmd.c305 int optlen, optname, level, err; in io_uring_cmd_getsockopt() local
314 optlen = READ_ONCE(cmd->sqe->optlen); in io_uring_cmd_getsockopt()
318 KERNEL_SOCKPTR(&optlen)); in io_uring_cmd_getsockopt()
323 return optlen; in io_uring_cmd_getsockopt()
331 int optname, optlen, level; in io_uring_cmd_setsockopt() local
337 optlen = READ_ONCE(cmd->sqe->optlen); in io_uring_cmd_setsockopt()
342 optlen); in io_uring_cmd_setsockopt()

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