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Searched refs:optlen (Results 1 – 25 of 160) 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()
[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/ipv6/
H A Dipv6_sockglue.c14 * o Return an optlen of the truncated length if need be
125 sockptr_t optval, int optlen) in copy_group_source_from_sockptr() argument
130 if (optlen < sizeof(gr32)) in copy_group_source_from_sockptr()
138 if (optlen < sizeof(*greqs)) in copy_group_source_from_sockptr()
148 sockptr_t optval, int optlen) in do_ipv6_mcast_group_source() argument
154 ret = copy_group_source_from_sockptr(&greqs, optval, optlen); in do_ipv6_mcast_group_source()
189 int optlen) in ipv6_set_mcast_msfilter() argument
194 if (optlen < GROUP_FILTER_SIZE(0)) in ipv6_set_mcast_msfilter()
196 if (optlen > READ_ONCE(sock_net(sk)->core.sysctl_optmem_max)) in ipv6_set_mcast_msfilter()
199 gsf = memdup_sockptr(optval, optlen); in ipv6_set_mcast_msfilter()
220 compat_ipv6_set_mcast_msfilter(struct sock * sk,sockptr_t optval,int optlen) compat_ipv6_set_mcast_msfilter() argument
264 ipv6_mcast_join_leave(struct sock * sk,int optname,sockptr_t optval,int optlen) ipv6_mcast_join_leave() argument
284 compat_ipv6_mcast_join_leave(struct sock * sk,int optname,sockptr_t optval,int optlen) compat_ipv6_mcast_join_leave() argument
304 ipv6_set_opt_hdr(struct sock * sk,int optname,sockptr_t optval,int optlen) ipv6_set_opt_hdr() argument
378 do_ipv6_setsockopt(struct sock * sk,int level,int optname,sockptr_t optval,unsigned int optlen) do_ipv6_setsockopt() argument
963 ipv6_setsockopt(struct sock * sk,int level,int optname,sockptr_t optval,unsigned int optlen) ipv6_setsockopt() argument
1019 ipv6_get_msfilter(struct sock * sk,sockptr_t optval,sockptr_t optlen,int len) ipv6_get_msfilter() argument
1048 compat_ipv6_get_msfilter(struct sock * sk,sockptr_t optval,sockptr_t optlen,int len) compat_ipv6_get_msfilter() argument
1087 do_ipv6_getsockopt(struct sock * sk,int level,int optname,sockptr_t optval,sockptr_t optlen) do_ipv6_getsockopt() argument
1453 ipv6_getsockopt(struct sock * sk,int level,int optname,char __user * optval,int __user * optlen) ipv6_getsockopt() argument
[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
388 mptcp_setsockopt_v6(struct mptcp_sock * msk,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_v6() argument
583 mptcp_setsockopt_sol_tcp_congestion(struct mptcp_sock * msk,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_sol_tcp_congestion() argument
690 mptcp_setsockopt_sol_ip_set(struct mptcp_sock * msk,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_sol_ip_set() argument
736 mptcp_setsockopt_v4_set_tos(struct mptcp_sock * msk,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_v4_set_tos() argument
764 mptcp_setsockopt_v4(struct mptcp_sock * msk,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_v4() argument
780 mptcp_setsockopt_first_sf_only(struct mptcp_sock * msk,int level,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_first_sf_only() argument
803 mptcp_setsockopt_all_sf(struct mptcp_sock * msk,int level,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_all_sf() argument
819 mptcp_setsockopt_sol_tcp(struct mptcp_sock * msk,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt_sol_tcp() argument
893 mptcp_setsockopt(struct sock * sk,int level,int optname,sockptr_t optval,unsigned int optlen) mptcp_setsockopt() argument
931 mptcp_getsockopt_first_sf_only(struct mptcp_sock * msk,int level,int optname,char __user * optval,int __user * optlen) mptcp_getsockopt_first_sf_only() argument
1017 mptcp_getsockopt_info(struct mptcp_sock * msk,char __user * optval,int __user * optlen) mptcp_getsockopt_info() argument
1045 mptcp_put_subflow_data(struct mptcp_subflow_data * sfd,char __user * optval,u32 copied,int __user * optlen) mptcp_put_subflow_data() argument
1065 mptcp_get_subflow_data(struct mptcp_subflow_data * sfd,char __user * optval,int __user * optlen) mptcp_get_subflow_data() argument
1102 mptcp_getsockopt_tcpinfo(struct mptcp_sock * msk,char __user * optval,int __user * optlen) mptcp_getsockopt_tcpinfo() argument
1194 mptcp_getsockopt_subflow_addrs(struct mptcp_sock * msk,char __user * optval,int __user * optlen) mptcp_getsockopt_subflow_addrs() argument
1248 mptcp_get_full_info(struct mptcp_full_info * mfi,char __user * optval,int __user * optlen) mptcp_get_full_info() argument
1280 mptcp_put_full_info(struct mptcp_full_info * mfi,char __user * optval,u32 copylen,int __user * optlen) mptcp_put_full_info() argument
1292 mptcp_getsockopt_full_info(struct mptcp_sock * msk,char __user * optval,int __user * optlen) mptcp_getsockopt_full_info() argument
1366 mptcp_put_int_option(struct mptcp_sock * msk,char __user * optval,int __user * optlen,int val) mptcp_put_int_option() argument
1395 mptcp_getsockopt_sol_tcp(struct mptcp_sock * msk,int optname,char __user * optval,int __user * optlen) mptcp_getsockopt_sol_tcp() argument
1441 mptcp_getsockopt_v4(struct mptcp_sock * msk,int optname,char __user * optval,int __user * optlen) mptcp_getsockopt_v4() argument
1466 mptcp_getsockopt_v6(struct mptcp_sock * msk,int optname,char __user * optval,int __user * optlen) mptcp_getsockopt_v6() argument
1486 mptcp_getsockopt_sol_mptcp(struct mptcp_sock * msk,int optname,char __user * optval,int __user * optlen) mptcp_getsockopt_sol_mptcp() 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
802 compat_ip_set_mcast_msfilter(struct sock * sk,sockptr_t optval,int optlen) compat_ip_set_mcast_msfilter() argument
846 ip_mcast_join_leave(struct sock * sk,int optname,sockptr_t optval,int optlen) ip_mcast_join_leave() argument
868 compat_ip_mcast_join_leave(struct sock * sk,int optname,sockptr_t optval,int optlen) compat_ip_mcast_join_leave() argument
893 do_ip_setsockopt(struct sock * sk,int level,int optname,sockptr_t optval,unsigned int optlen) do_ip_setsockopt() argument
1410 ip_setsockopt(struct sock * sk,int level,int optname,sockptr_t optval,unsigned int optlen) ip_setsockopt() argument
1446 ip_get_mcast_msfilter(struct sock * sk,sockptr_t optval,sockptr_t optlen,int len) ip_get_mcast_msfilter() argument
1473 compat_ip_get_mcast_msfilter(struct sock * sk,sockptr_t optval,sockptr_t optlen,int len) compat_ip_get_mcast_msfilter() argument
1508 do_ip_getsockopt(struct sock * sk,int level,int optname,sockptr_t optval,sockptr_t optlen) do_ip_getsockopt() argument
1761 ip_getsockopt(struct sock * sk,int level,int optname,char __user * optval,int __user * optlen) ip_getsockopt() argument
[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 in cipso_v4_sock_setattr()
[all...]
/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()
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
[all …]
/linux/tools/testing/selftests/bpf/progs/
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 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 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
[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/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/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
/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/io_uring/
H A Dcmd_net.c16 int optlen, optname, level, err; in io_uring_cmd_getsockopt()
25 optlen = READ_ONCE(sqe->optlen); in io_uring_cmd_getsockopt()
29 KERNEL_SOCKPTR(&optlen)); in io_uring_cmd_getsockopt()
33 /* On success, return optlen */ in io_uring_cmd_getsockopt()
34 return optlen; in io_uring_cmd_getsockopt()
43 int optname, optlen, level; in io_uring_cmd_setsockopt()
49 optlen = READ_ONCE(sqe->optlen); in io_uring_cmd_setsockopt()
54 optlen); in io_uring_cmd_setsockopt()
15 int optlen, optname, level, err; io_uring_cmd_getsockopt() local
42 int optname, optlen, level; io_uring_cmd_setsockopt() local
[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()
64 if (op[i] < 2 || i == optlen - 1) in tcpmss_mt()
/linux/net/can/
H A Draw.c556 sockptr_t optval, unsigned int optlen) in raw_setsockopt() argument
573 if (optlen % sizeof(struct can_filter) != 0) in raw_setsockopt()
576 if (optlen > CAN_RAW_FILTER_MAX * sizeof(struct can_filter)) in raw_setsockopt()
579 count = optlen / sizeof(struct can_filter); in raw_setsockopt()
583 filter = memdup_sockptr(optval, optlen); in raw_setsockopt()
643 if (optlen != sizeof(err_mask)) in raw_setsockopt()
646 if (copy_from_sockptr(&err_mask, optval, optlen)) in raw_setsockopt()
686 if (optlen != sizeof(flag)) in raw_setsockopt()
689 if (copy_from_sockptr(&flag, optval, optlen)) in raw_setsockopt()
696 if (optlen != sizeof(flag)) in raw_setsockopt()
[all …]
/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()
2034 /* optlen set to -1, bypass kernel */ in __cgroup_bpf_run_filter_setsockopt()
2036 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
2037 /* optlen i in __cgroup_bpf_run_filter_setsockopt()
2088 __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
2173 __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 …]

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