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Searched refs:optlen (Results 1 – 25 of 191) sorted by relevance

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/openbmc/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 in __ip_options_echo()
200 int optlen; ip_options_fragment() local
250 int optlen, l; __ip_options_compile() local
513 ip_options_get(struct net * net,struct ip_options_rcu ** optp,sockptr_t data,int optlen) ip_options_get() argument
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H A Dip_sockglue.c78 if (IPCB(skb)->opt.optlen == 0) in ip_cmsg_recv_opts()
81 put_cmsg(msg, SOL_IP, IP_RECVOPTS, IPCB(skb)->opt.optlen, in ip_cmsg_recv_opts()
92 if (IPCB(skb)->opt.optlen == 0) in ip_cmsg_recv_retopts()
101 put_cmsg(msg, SOL_IP, IP_RETOPTS, opt->optlen, opt->__data); in ip_cmsg_recv_retopts()
701 sockptr_t optval, int optlen) in copy_group_source_from_sockptr() argument
706 if (optlen != sizeof(gr32)) in copy_group_source_from_sockptr()
714 if (optlen != sizeof(*greqs)) in copy_group_source_from_sockptr()
724 sockptr_t optval, int optlen) in do_mcast_group_source() argument
731 err = copy_group_source_from_sockptr(&greqs, optval, optlen); in do_mcast_group_source()
771 static int ip_set_mcast_msfilter(struct sock *sk, sockptr_t optval, int optlen) in ip_set_mcast_msfilter() argument
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/openbmc/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()
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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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/openbmc/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(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()
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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()
/openbmc/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
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/openbmc/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()
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()
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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_ldsx_insn.c70 old_optlen = ctx->optlen; in _getsockopt()
73 ctx->optlen = -1; in _getsockopt()
77 set_optlen = ctx->optlen; in _getsockopt()
80 ctx->optlen = old_optlen; in _getsockopt()
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()
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/openbmc/linux/net/sctp/
H A Dsocket.c1388 int __user *optlen) in sctp_getsockopt_connectx3() argument
1425 if (put_user(sizeof(assoc_id), optlen)) in sctp_getsockopt_connectx3()
2211 unsigned int optlen) in sctp_setsockopt_disable_fragments() argument
2213 if (optlen < sizeof(int)) in sctp_setsockopt_disable_fragments()
2220 unsigned int optlen) in sctp_setsockopt_events() argument
2226 if (optlen > sizeof(struct sctp_event_subscribe)) in sctp_setsockopt_events()
2229 for (i = 0; i < optlen; i++) in sctp_setsockopt_events()
2269 unsigned int optlen) in sctp_setsockopt_autoclose() argument
2277 if (optlen != sizeof(int)) in sctp_setsockopt_autoclose()
2618 unsigned int optlen) in sctp_setsockopt_peer_addr_params() argument
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/openbmc/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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/openbmc/linux/net/ipv4/bpfilter/
H A Dsockopt.c16 unsigned int optlen, bool is_set) in bpfilter_mbox_request() argument
39 err = bpfilter_ops.sockopt(sk, optname, optval, optlen, is_set); in bpfilter_mbox_request()
46 unsigned int optlen) in bpfilter_ip_set_sockopt() argument
48 return bpfilter_mbox_request(sk, optname, optval, optlen, true); in bpfilter_ip_set_sockopt()
52 int __user *optlen) in bpfilter_ip_get_sockopt() argument
56 if (get_user(len, optlen)) in bpfilter_ip_get_sockopt()
/openbmc/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()
/openbmc/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()
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/openbmc/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()
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/openbmc/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()
/openbmc/linux/net/tls/
H A Dtls_main.c439 int __user *optlen, int tx) in do_tls_getsockopt_conf() argument
448 if (get_user(len, optlen)) in do_tls_getsockopt_conf()
500 int __user *optlen) in do_tls_getsockopt_tx_zc() argument
506 if (get_user(len, optlen)) in do_tls_getsockopt_tx_zc()
520 int __user *optlen) in do_tls_getsockopt_no_pad() argument
528 if (get_user(len, optlen)) in do_tls_getsockopt_no_pad()
539 if (put_user(sizeof(value), optlen)) in do_tls_getsockopt_no_pad()
548 char __user *optval, int __user *optlen) in do_tls_getsockopt() argument
557 rc = do_tls_getsockopt_conf(sk, optval, optlen, in do_tls_getsockopt()
561 rc = do_tls_getsockopt_tx_zc(sk, optval, optlen); in do_tls_getsockopt()
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/openbmc/linux/net/can/
H A Draw.c529 sockptr_t optval, unsigned int optlen) in raw_setsockopt() argument
546 if (optlen % sizeof(struct can_filter) != 0) in raw_setsockopt()
549 if (optlen > CAN_RAW_FILTER_MAX * sizeof(struct can_filter)) in raw_setsockopt()
552 count = optlen / sizeof(struct can_filter); in raw_setsockopt()
556 filter = memdup_sockptr(optval, optlen); in raw_setsockopt()
616 if (optlen != sizeof(err_mask)) in raw_setsockopt()
619 if (copy_from_sockptr(&err_mask, optval, optlen)) in raw_setsockopt()
659 if (optlen != sizeof(ro->loopback)) in raw_setsockopt()
662 if (copy_from_sockptr(&ro->loopback, optval, optlen)) in raw_setsockopt()
668 if (optlen != sizeof(ro->recv_own_msgs)) in raw_setsockopt()
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/openbmc/linux/kernel/bpf/
H A Dcgroup.c1820 int *optlen, char **kernel_optval) in __cgroup_bpf_run_filter_setsockopt() argument
1835 max_optlen = max_t(int, 16, *optlen); in __cgroup_bpf_run_filter_setsockopt()
1840 ctx.optlen = *optlen; in __cgroup_bpf_run_filter_setsockopt()
1843 min(*optlen, max_optlen))) { in __cgroup_bpf_run_filter_setsockopt()
1856 if (ctx.optlen == -1) { in __cgroup_bpf_run_filter_setsockopt()
1859 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
1861 if (*optlen > PAGE_SIZE && ctx.optlen >= 0) { in __cgroup_bpf_run_filter_setsockopt()
1863 ctx.optlen, max_optlen); in __cgroup_bpf_run_filter_setsockopt()
1879 if (ctx.optlen != 0) { in __cgroup_bpf_run_filter_setsockopt()
1880 *optlen = ctx.optlen; in __cgroup_bpf_run_filter_setsockopt()
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/openbmc/linux/include/linux/
H A Dbpf-cgroup.h142 int *optlen, char **kernel_optval);
146 sockptr_t optlen, int max_optlen,
151 int *optlen, int retval);
365 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ argument
373 optlen, \
378 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ argument
389 sock, level, optname, optval, optlen, \
395 optlen, retval) \ argument
400 sock, level, optname, optval, optlen, retval); \
496 optlen, max_optlen, retval) ({ retval; }) argument
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