| /Linux-v5.15/net/ipv4/ |
| D | ip_options.c | 50 memcpy(iph + sizeof(struct iphdr), opt->__data, opt->optlen); in ip_options_build()
95 int optlen; in __ip_options_echo() local
99 if (sopt->optlen == 0) in __ip_options_echo()
106 optlen = sptr[sopt->rr+1]; in __ip_options_echo()
108 dopt->rr = dopt->optlen + sizeof(struct iphdr); in __ip_options_echo()
109 memcpy(dptr, sptr+sopt->rr, optlen); in __ip_options_echo()
110 if (sopt->rr_needaddr && soffset <= optlen) { in __ip_options_echo()
111 if (soffset + 3 > optlen) in __ip_options_echo()
116 dptr += optlen; in __ip_options_echo()
117 dopt->optlen += optlen; in __ip_options_echo()
[all …]
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| D | ip_sockglue.c | 78 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()
698 sockptr_t optval, int optlen) in copy_group_source_from_sockptr() argument
703 if (optlen != sizeof(gr32)) in copy_group_source_from_sockptr()
711 if (optlen != sizeof(*greqs)) in copy_group_source_from_sockptr()
721 sockptr_t optval, int optlen) in do_mcast_group_source() argument
728 err = copy_group_source_from_sockptr(&greqs, optval, optlen); in do_mcast_group_source()
768 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-v5.15/tools/testing/selftests/bpf/prog_tests/ |
| D | sockopt_sk.c | 23 socklen_t optlen; in getsetsockopt() local
34 optlen = getpagesize() * 2; in getsetsockopt()
35 big_buf = calloc(1, optlen); in getsetsockopt()
42 err = setsockopt(fd, SOL_IP, IP_TOS, big_buf, optlen); in getsetsockopt()
48 memset(big_buf, 0, optlen); in getsetsockopt()
49 optlen = 1; in getsetsockopt()
50 err = getsockopt(fd, SOL_IP, IP_TOS, big_buf, &optlen); in getsetsockopt()
81 optlen = 4; in getsetsockopt()
82 err = getsockopt(fd, SOL_CUSTOM, 0, &buf, &optlen); in getsetsockopt()
88 if (optlen != 1) { in getsetsockopt()
[all …]
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| D | sockopt_multi.c | 60 socklen_t optlen; in run_getsockopt_test() local
74 optlen = 1; in run_getsockopt_test()
75 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
97 optlen = 1; in run_getsockopt_test()
98 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
121 optlen = 1; in run_getsockopt_test()
122 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
148 optlen = 1; in run_getsockopt_test()
149 err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen); in run_getsockopt_test()
167 optlen = 1; in run_getsockopt_test()
[all …]
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| D | sockopt.c | 229 offsetof(struct bpf_sockopt, optlen)),
257 offsetof(struct bpf_sockopt, optlen)),
300 offsetof(struct bpf_sockopt, optlen)),
477 offsetof(struct bpf_sockopt, optlen)),
531 offsetof(struct bpf_sockopt, optlen)),
578 offsetof(struct bpf_sockopt, optlen)),
585 offsetof(struct bpf_sockopt, optlen)),
606 offsetof(struct bpf_sockopt, optlen)),
622 offsetof(struct bpf_sockopt, optlen)),
640 offsetof(struct bpf_sockopt, optlen)),
[all …]
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| /Linux-v5.15/net/ipv6/ |
| D | ipv6_sockglue.c | 140 sockptr_t optval, int optlen) in copy_group_source_from_sockptr() argument
145 if (optlen < sizeof(gr32)) in copy_group_source_from_sockptr()
153 if (optlen < sizeof(*greqs)) in copy_group_source_from_sockptr()
163 sockptr_t optval, int optlen) in do_ipv6_mcast_group_source() argument
169 ret = copy_group_source_from_sockptr(&greqs, optval, optlen); in do_ipv6_mcast_group_source()
204 int optlen) in ipv6_set_mcast_msfilter() argument
209 if (optlen < GROUP_FILTER_SIZE(0)) in ipv6_set_mcast_msfilter()
211 if (optlen > sysctl_optmem_max) in ipv6_set_mcast_msfilter()
214 gsf = memdup_sockptr(optval, optlen); in ipv6_set_mcast_msfilter()
225 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()
146 optlen = nh[offset + 1] + 2; in ipv6_find_tlv()
147 if (optlen > len) in ipv6_find_tlv()
151 offset += optlen; in ipv6_find_tlv()
152 len -= optlen; in ipv6_find_tlv()
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| /Linux-v5.15/net/mptcp/ |
| D | sockopt.c | 56 unsigned int optlen, int *val) in mptcp_get_int_option() argument
58 if (optlen < sizeof(int)) in mptcp_get_int_option()
170 unsigned int optlen) in mptcp_setsockopt_sol_socket_int() argument
174 ret = mptcp_get_int_option(msk, optval, optlen, &val); in mptcp_setsockopt_sol_socket_int()
206 unsigned int optlen) in mptcp_setsockopt_sol_socket_timestamping() argument
213 if (optlen == sizeof(timestamping)) { in mptcp_setsockopt_sol_socket_timestamping()
217 } else if (optlen == sizeof(int)) { in mptcp_setsockopt_sol_socket_timestamping()
248 unsigned int optlen) in mptcp_setsockopt_sol_socket_linger() argument
256 if (optlen < sizeof(ling)) in mptcp_setsockopt_sol_socket_linger()
289 sockptr_t optval, unsigned int optlen) in mptcp_setsockopt_sol_socket() argument
[all …]
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| /Linux-v5.15/net/sctp/ |
| D | socket.c | 1386 int __user *optlen) in sctp_getsockopt_connectx3() argument
1423 if (put_user(sizeof(assoc_id), optlen)) in sctp_getsockopt_connectx3()
2202 unsigned int optlen) in sctp_setsockopt_disable_fragments() argument
2204 if (optlen < sizeof(int)) in sctp_setsockopt_disable_fragments()
2211 unsigned int optlen) in sctp_setsockopt_events() argument
2217 if (optlen > sizeof(struct sctp_event_subscribe)) in sctp_setsockopt_events()
2220 for (i = 0; i < optlen; i++) in sctp_setsockopt_events()
2260 unsigned int optlen) in sctp_setsockopt_autoclose() argument
2268 if (optlen != sizeof(int)) in sctp_setsockopt_autoclose()
2608 unsigned int optlen) in sctp_setsockopt_peer_addr_params() argument
[all …]
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| /Linux-v5.15/tools/testing/selftests/bpf/progs/ |
| D | sockopt_sk.c | 49 ctx->optlen = 0; /* bypass optval>PAGE_SIZE */ in _getsockopt()
92 ctx->optlen = 1; in _getsockopt()
122 ctx->optlen = 1; in _getsockopt()
147 ctx->optlen = 0; /* bypass optval>PAGE_SIZE */ in _setsockopt()
158 ctx->optlen = 4; in _setsockopt()
170 ctx->optlen = 5; in _setsockopt()
177 if (ctx->optlen != page_size * 2) in _setsockopt()
185 ctx->optlen = 1; in _setsockopt()
209 ctx->optlen = -1; /* BPF has consumed this option, don't call kernel in _setsockopt()
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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()
[all …]
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| /Linux-v5.15/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-v5.15/net/ipv4/bpfilter/ |
| D | sockopt.c | 25 unsigned int optlen, bool is_set) in bpfilter_mbox_request() argument
48 err = bpfilter_ops.sockopt(sk, optname, optval, optlen, is_set); in bpfilter_mbox_request()
55 unsigned int optlen) in bpfilter_ip_set_sockopt() argument
57 return bpfilter_mbox_request(sk, optname, optval, optlen, true); in bpfilter_ip_set_sockopt()
61 int __user *optlen) in bpfilter_ip_get_sockopt() argument
65 if (get_user(len, optlen)) in bpfilter_ip_get_sockopt()
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| /Linux-v5.15/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()
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| /Linux-v5.15/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-v5.15/net/dccp/ |
| D | proto.c | 414 sockptr_t optval, unsigned int optlen) in dccp_setsockopt_service() argument
420 optlen > DCCP_SERVICE_LIST_MAX_LEN * sizeof(u32)) in dccp_setsockopt_service()
423 if (optlen > sizeof(service)) { in dccp_setsockopt_service()
424 sl = kmalloc(optlen, GFP_KERNEL); in dccp_setsockopt_service()
428 sl->dccpsl_nr = optlen / sizeof(u32) - 1; in dccp_setsockopt_service()
430 sizeof(service), optlen - sizeof(service)) || in dccp_setsockopt_service()
484 sockptr_t optval, unsigned int optlen) in dccp_setsockopt_ccid() argument
489 if (optlen < 1 || optlen > DCCP_FEAT_MAX_SP_VALS) in dccp_setsockopt_ccid()
492 val = memdup_sockptr(optval, optlen); in dccp_setsockopt_ccid()
498 rc = dccp_feat_register_sp(sk, DCCPF_CCID, 1, val, optlen); in dccp_setsockopt_ccid()
[all …]
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| /Linux-v5.15/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-v5.15/include/linux/ |
| D | bpf-cgroup.h | 207 int *optlen, char **kernel_optval);
210 int __user *optlen, int max_optlen,
215 int *optlen, int retval);
420 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ argument
427 optlen, \
432 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ argument
436 get_user(__ret, optlen); \
440 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ argument
450 sock, level, optname, optval, optlen, \
456 optlen, retval) \ argument
[all …]
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| D | bpfilter.h | 11 unsigned int optlen);
13 int __user *optlen);
21 unsigned int optlen, bool is_set);
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| /Linux-v5.15/net/can/ |
| D | raw.c | 515 sockptr_t optval, unsigned int optlen) in raw_setsockopt() argument
531 if (optlen % sizeof(struct can_filter) != 0) in raw_setsockopt()
534 if (optlen > CAN_RAW_FILTER_MAX * sizeof(struct can_filter)) in raw_setsockopt()
537 count = optlen / sizeof(struct can_filter); in raw_setsockopt()
541 filter = memdup_sockptr(optval, optlen); in raw_setsockopt()
602 if (optlen != sizeof(err_mask)) in raw_setsockopt()
605 if (copy_from_sockptr(&err_mask, optval, optlen)) in raw_setsockopt()
646 if (optlen != sizeof(ro->loopback)) in raw_setsockopt()
649 if (copy_from_sockptr(&ro->loopback, optval, optlen)) in raw_setsockopt()
655 if (optlen != sizeof(ro->recv_own_msgs)) in raw_setsockopt()
[all …]
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| /Linux-v5.15/kernel/bpf/ |
| D | cgroup.c | 1382 int *optlen, char **kernel_optval) in __cgroup_bpf_run_filter_setsockopt() argument
1404 max_optlen = max_t(int, 16, *optlen); in __cgroup_bpf_run_filter_setsockopt()
1410 ctx.optlen = *optlen; in __cgroup_bpf_run_filter_setsockopt()
1412 if (copy_from_user(ctx.optval, optval, min(*optlen, max_optlen)) != 0) { in __cgroup_bpf_run_filter_setsockopt()
1427 if (ctx.optlen == -1) { in __cgroup_bpf_run_filter_setsockopt()
1430 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
1444 if (ctx.optlen != 0) { in __cgroup_bpf_run_filter_setsockopt()
1445 *optlen = ctx.optlen; in __cgroup_bpf_run_filter_setsockopt()
1453 void *p = kmalloc(ctx.optlen, GFP_USER); in __cgroup_bpf_run_filter_setsockopt()
1459 memcpy(p, ctx.optval, ctx.optlen); in __cgroup_bpf_run_filter_setsockopt()
[all …]
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| /Linux-v5.15/net/xfrm/ |
| D | xfrm_output.c | 229 int hdrlen, optlen; in xfrm4_beet_encap_add() local
232 optlen = XFRM_MODE_SKB_CB(skb)->optlen; in xfrm4_beet_encap_add()
233 if (unlikely(optlen)) in xfrm4_beet_encap_add()
234 hdrlen += IPV4_BEET_PHMAXLEN - (optlen & 4); in xfrm4_beet_encap_add()
250 if (unlikely(optlen)) { in xfrm4_beet_encap_add()
251 if (WARN_ON(optlen < 0)) in xfrm4_beet_encap_add()
254 ph->padlen = 4 - (optlen & 4); in xfrm4_beet_encap_add()
255 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 …]
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| /Linux-v5.15/samples/bpf/ |
| D | test_cgrp2_sock.c | 128 socklen_t optlen = len; in get_bind_to_device() local
132 rc = getsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, name, &optlen); in get_bind_to_device()
142 socklen_t optlen = sizeof(mark); in get_somark() local
145 rc = getsockopt(sd, SOL_SOCKET, SO_MARK, &mark, &optlen); in get_somark()
155 socklen_t optlen = sizeof(prio); in get_priority() local
158 rc = getsockopt(sd, SOL_SOCKET, SO_PRIORITY, &prio, &optlen); in get_priority()
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| /Linux-v5.15/net/tls/ |
| D | tls_main.c | 334 int __user *optlen, int tx) in do_tls_getsockopt_conf() argument
342 if (get_user(len, optlen)) in do_tls_getsockopt_conf()
433 char __user *optval, int __user *optlen) in do_tls_getsockopt() argument
440 rc = do_tls_getsockopt_conf(sk, optval, optlen, in do_tls_getsockopt()
451 char __user *optval, int __user *optlen) in tls_getsockopt() argument
457 optname, optval, optlen); in tls_getsockopt()
459 return do_tls_getsockopt(sk, optname, optval, optlen); in tls_getsockopt()
463 unsigned int optlen, int tx) in do_tls_setsockopt_conf() argument
472 if (sockptr_is_null(optval) || (optlen < sizeof(*crypto_info))) { in do_tls_setsockopt_conf()
532 if (optlen != optsize) { in do_tls_setsockopt_conf()
[all …]
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| /Linux-v5.15/net/rxrpc/ |
| D | server_key.c | 118 int rxrpc_server_keyring(struct rxrpc_sock *rx, sockptr_t optval, int optlen) in rxrpc_server_keyring() argument
125 if (optlen <= 0 || optlen > PAGE_SIZE - 1) in rxrpc_server_keyring()
128 description = memdup_sockptr_nul(optval, optlen); in rxrpc_server_keyring()
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