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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
commita0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch)
tree8feaf1a1932871b139b3b30be4c09c66489918be /tc/p_eth.c
parentInitial commit. (diff)
downloadiproute2-upstream.tar.xz
iproute2-upstream.zip
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tc/p_eth.c')
-rw-r--r--tc/p_eth.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/tc/p_eth.c b/tc/p_eth.c
new file mode 100644
index 0000000..7b6b61f
--- /dev/null
+++ b/tc/p_eth.c
@@ -0,0 +1,73 @@
+/*
+ * m_pedit_eth.c packet editor: ETH header
+ *
+ * This program is free software; you can distribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * 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,
+};