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tc/p_eth.c
69 строк
1 KB
Stephen Hemminger
tc: use SPDX
14 янв 2023, 20:00
14 янв 2023, 20:00
b3a091d
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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * m_pedit_eth.c packet editor: ETH header * * * Authors: Amir Vadai (amir@vadai.me) */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <string.h> #include "utils.h" #include "tc_util.h" #include "m_pedit.h" static int parse_eth(int *argc_p, char ***argv_p, struct m_pedit_sel *sel, struct m_pedit_key *tkey) { int res = -1; int argc = *argc_p; char **argv = *argv_p; if (argc < 2) return -1; if (!sel->extended) return -1; tkey->htype = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH; if (strcmp(*argv, "type") == 0) { NEXT_ARG(); tkey->off = 12; res = parse_cmd(&argc, &argv, 2, TU32, RU16, sel, tkey, 0); goto done; } if (strcmp(*argv, "dst") == 0) { NEXT_ARG(); tkey->off = 0; res = parse_cmd(&argc, &argv, 6, TMAC, RU32, sel, tkey, 0); goto done; } if (strcmp(*argv, "src") == 0) { NEXT_ARG(); tkey->off = 6; res = parse_cmd(&argc, &argv, 6, TMAC, RU32, sel, tkey, 0); goto done; } return -1; done: *argc_p = argc; *argv_p = argv; return res; } struct m_pedit_util p_pedit_eth = { .id = "eth", .parse_peopt = parse_eth, };