1d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann/* 2d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * f_bpf.c BPF-based Classifier 3d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * 4d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * This program is free software; you can distribute it and/or 5d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * modify it under the terms of the GNU General Public License 6d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * as published by the Free Software Foundation; either version 7d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * 2 of the License, or (at your option) any later version. 8d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * 9d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann * Authors: Daniel Borkmann <dborkman@redhat.com> 10d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann */ 11d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 12d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann#include <stdio.h> 13d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann#include <stdlib.h> 1432e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann 1532e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann#include <linux/bpf.h> 16d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 17d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann#include "utils.h" 18d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann#include "tc_util.h" 191d129d191a3a632e05cf440c15aaffe23e0fa798Jiri Pirko#include "tc_bpf.h" 20d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 216256f8c9e45f01187b297a576e148534a393c990Daniel Borkmannstatic const enum bpf_prog_type bpf_type = BPF_PROG_TYPE_SCHED_CLS; 226256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann 2332e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmannstatic const int nla_tbl[BPF_NLA_MAX] = { 2432e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann [BPF_NLA_OPS_LEN] = TCA_BPF_OPS_LEN, 2532e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann [BPF_NLA_OPS] = TCA_BPF_OPS, 2632e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann [BPF_NLA_FD] = TCA_BPF_FD, 2732e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann [BPF_NLA_NAME] = TCA_BPF_NAME, 2832e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann}; 2932e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann 30d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmannstatic void explain(void) 31d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann{ 32d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "Usage: ... bpf ...\n"); 33d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "\n"); 346256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "BPF use case:\n"); 356256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, " bytecode BPF_BYTECODE\n"); 366256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, " bytecode-file FILE\n"); 376256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "\n"); 386256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "eBPF use case:\n"); 39d937a74b6d7818d67b12f2439320bfddcdd35e58Daniel Borkmann fprintf(stderr, " object-file FILE [ section CLS_NAME ] [ export UDS_FILE ]"); 40faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann fprintf(stderr, " [ verbose ] [ direct-action ]\n"); 4132e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann fprintf(stderr, " object-pinned FILE [ direct-action ]\n"); 42d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "\n"); 436256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "Common remaining options:\n"); 446256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, " [ action ACTION_SPEC ]\n"); 456256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, " [ classid CLASSID ]\n"); 46d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "\n"); 47d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "Where BPF_BYTECODE := \'s,c t f k,c t f k,c t f k,...\'\n"); 486256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "c,t,f,k and s are decimals; s denotes number of 4-tuples\n"); 496256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "\n"); 5011c39b5e98a163889fe5e1840e1b2a105bc33680Daniel Borkmann fprintf(stderr, "Where FILE points to a file containing the BPF_BYTECODE string,\n"); 5132e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann fprintf(stderr, "an ELF file containing eBPF map definitions and bytecode, or a\n"); 5232e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann fprintf(stderr, "pinned eBPF program.\n"); 536256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "\n"); 546256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "Where CLS_NAME refers to the section name containing the\n"); 556256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "classifier (default \'%s\').\n", bpf_default_section(bpf_type)); 566256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "\n"); 576256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "Where UDS_FILE points to a unix domain socket file in order\n"); 586256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "to hand off control of all created eBPF maps to an agent.\n"); 596256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "\n"); 606256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(stderr, "ACTION_SPEC := ... look at individual actions\n"); 61863ecb04b4f7bd49fb40e4914ea22096be6db6bfJamal Hadi Salim fprintf(stderr, "NOTE: CLASSID is parsed as hexadecimal input.\n"); 62d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann} 63d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 64d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmannstatic int bpf_parse_opt(struct filter_util *qu, char *handle, 65d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann int argc, char **argv, struct nlmsghdr *n) 66d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann{ 6732e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann const char *bpf_obj = NULL, *bpf_uds_name = NULL; 68d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann struct tcmsg *t = NLMSG_DATA(n); 69faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann unsigned int bpf_flags = 0; 706256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann bool seen_run = false; 7132e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann struct rtattr *tail; 726256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann int ret = 0; 73d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 74d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (argc == 0) 75d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return 0; 76d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 77d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (handle) { 7832e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann if (get_u32(&t->tcm_handle, handle, 0)) { 7932e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann fprintf(stderr, "Illegal \"handle\"\n"); 80d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 81d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 82d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 83d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 846256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann tail = (struct rtattr *)(((void *)n) + NLMSG_ALIGN(n->nlmsg_len)); 85d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0); 86d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 87d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann while (argc > 0) { 88d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (matches(*argv, "run") == 0) { 89d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann NEXT_ARG(); 906256f8c9e45f01187b297a576e148534a393c990Daniel Borkmannopt_bpf: 916256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann seen_run = true; 9232e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann if (bpf_parse_common(&argc, &argv, nla_tbl, bpf_type, 9332e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann &bpf_obj, &bpf_uds_name, n)) { 9432e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann fprintf(stderr, "Failed to retrieve (e)BPF data!\n"); 95d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 96d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 97d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } else if (matches(*argv, "classid") == 0 || 9832e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann matches(*argv, "flowid") == 0) { 996256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann unsigned int handle; 1006256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann 101d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann NEXT_ARG(); 102d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (get_tc_classid(&handle, *argv)) { 103d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "Illegal \"classid\"\n"); 104d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 105d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 106faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann addattr32(n, MAX_MSG, TCA_BPF_CLASSID, handle); 107faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann } else if (matches(*argv, "direct-action") == 0 || 108faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann matches(*argv, "da") == 0) { 109faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann bpf_flags |= TCA_BPF_FLAG_ACT_DIRECT; 110d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } else if (matches(*argv, "action") == 0) { 111d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann NEXT_ARG(); 112d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (parse_action(&argc, &argv, TCA_BPF_ACT, n)) { 113d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "Illegal \"action\"\n"); 114d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 115d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 116d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann continue; 117d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } else if (matches(*argv, "police") == 0) { 118d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann NEXT_ARG(); 119d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (parse_police(&argc, &argv, TCA_BPF_POLICE, n)) { 120d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "Illegal \"police\"\n"); 121d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 122d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 123d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann continue; 12432e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann } else if (matches(*argv, "help") == 0) { 125d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann explain(); 126d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 127d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } else { 1286256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann if (!seen_run) 1296256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann goto opt_bpf; 1306256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann 131d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(stderr, "What is \"%s\"?\n", *argv); 132d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann explain(); 133d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return -1; 134d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 135faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann 136faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann NEXT_ARG_FWD(); 137d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 138d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 139faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann if (bpf_obj && bpf_flags) 140faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann addattr32(n, MAX_MSG, TCA_BPF_FLAGS, bpf_flags); 141faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann 1426256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann tail->rta_len = (((void *)n) + n->nlmsg_len) - (void *)tail; 1436256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann 1446256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann if (bpf_uds_name) 1454bd624467bc6f8f6e8b4c676f3dd8ae7593fbe70Daniel Borkmann ret = bpf_send_map_fds(bpf_uds_name, bpf_obj); 1466256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann 1476256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann return ret; 148d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann} 149d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 150d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmannstatic int bpf_print_opt(struct filter_util *qu, FILE *f, 151d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann struct rtattr *opt, __u32 handle) 152d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann{ 153d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann struct rtattr *tb[TCA_BPF_MAX + 1]; 154d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 155d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (opt == NULL) 156d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return 0; 157d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 158d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann parse_rtattr_nested(tb, TCA_BPF_MAX, opt); 159d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 160d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (handle) 161d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(f, "handle 0x%x ", handle); 162d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 163d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (tb[TCA_BPF_CLASSID]) { 164d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann SPRINT_BUF(b1); 165d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(f, "flowid %s ", 166d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann sprint_tc_classid(rta_getattr_u32(tb[TCA_BPF_CLASSID]), b1)); 167d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 168d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 16911c39b5e98a163889fe5e1840e1b2a105bc33680Daniel Borkmann if (tb[TCA_BPF_NAME]) 17011c39b5e98a163889fe5e1840e1b2a105bc33680Daniel Borkmann fprintf(f, "%s ", rta_getattr_str(tb[TCA_BPF_NAME])); 17111c39b5e98a163889fe5e1840e1b2a105bc33680Daniel Borkmann else if (tb[TCA_BPF_FD]) 17211c39b5e98a163889fe5e1840e1b2a105bc33680Daniel Borkmann fprintf(f, "pfd %u ", rta_getattr_u32(tb[TCA_BPF_FD])); 17311c39b5e98a163889fe5e1840e1b2a105bc33680Daniel Borkmann 174faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann if (tb[TCA_BPF_FLAGS]) { 175faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann unsigned int flags = rta_getattr_u32(tb[TCA_BPF_FLAGS]); 176faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann 177faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann if (flags & TCA_BPF_FLAG_ACT_DIRECT) 178faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann fprintf(f, "direct-action "); 179faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann } 180faa8a463002fb9a365054dd333556e0aaa022759Daniel Borkmann 1816256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann if (tb[TCA_BPF_OPS] && tb[TCA_BPF_OPS_LEN]) { 182d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann bpf_print_ops(f, tb[TCA_BPF_OPS], 183d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann rta_getattr_u16(tb[TCA_BPF_OPS_LEN])); 1846256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann fprintf(f, "\n"); 1856256f8c9e45f01187b297a576e148534a393c990Daniel Borkmann } 186d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 187d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (tb[TCA_BPF_POLICE]) { 188d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann fprintf(f, "\n"); 189d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann tc_print_police(f, tb[TCA_BPF_POLICE]); 190d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 191d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 192d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann if (tb[TCA_BPF_ACT]) { 193d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann tc_print_action(f, tb[TCA_BPF_ACT]); 194d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann } 195d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 196d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann return 0; 197d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann} 198d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann 199d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmannstruct filter_util bpf_filter_util = { 20032e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann .id = "bpf", 20132e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann .parse_fopt = bpf_parse_opt, 20232e93fb7f66d55d597b52ec3b10fd44a47784114Daniel Borkmann .print_fopt = bpf_print_opt, 203d05df6861f99f251282e59f36dd94d7ff28d1bb8Daniel Borkmann}; 204