mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 14:34:27 -05:00
96 lines
2.1 KiB
Diff
96 lines
2.1 KiB
Diff
--- /dev/null
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+++ b/extensions/libxt_FLOWOFFLOAD.c
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@@ -0,0 +1,72 @@
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+#include <stdio.h>
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+#include <xtables.h>
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+#include <linux/netfilter/xt_FLOWOFFLOAD.h>
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+
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+enum {
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+ O_HW,
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+};
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+
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+static void offload_help(void)
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+{
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+ printf(
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+"FLOWOFFLOAD target options:\n"
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+" --hw Enable hardware offload\n"
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+ );
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+}
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+
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+static const struct xt_option_entry offload_opts[] = {
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+ {.name = "hw", .id = O_HW, .type = XTTYPE_NONE},
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+ XTOPT_TABLEEND,
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+};
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+
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+static void offload_parse(struct xt_option_call *cb)
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+{
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+ struct xt_flowoffload_target_info *info = cb->data;
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+
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+ xtables_option_parse(cb);
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+ switch (cb->entry->id) {
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+ case O_HW:
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+ info->flags |= XT_FLOWOFFLOAD_HW;
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+ break;
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+ }
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+}
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+
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+static void offload_print(const void *ip, const struct xt_entry_target *target, int numeric)
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+{
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+ const struct xt_flowoffload_target_info *info =
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+ (const struct xt_flowoffload_target_info *)target->data;
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+
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+ printf(" FLOWOFFLOAD");
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+ if (info->flags & XT_FLOWOFFLOAD_HW)
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+ printf(" hw");
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+}
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+
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+static void offload_save(const void *ip, const struct xt_entry_target *target)
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+{
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+ const struct xt_flowoffload_target_info *info =
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+ (const struct xt_flowoffload_target_info *)target->data;
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+
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+ if (info->flags & XT_FLOWOFFLOAD_HW)
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+ printf(" --hw");
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+}
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+
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+static struct xtables_target offload_tg_reg[] = {
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+ {
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+ .family = NFPROTO_UNSPEC,
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+ .name = "FLOWOFFLOAD",
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+ .revision = 0,
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+ .version = XTABLES_VERSION,
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+ .size = XT_ALIGN(sizeof(struct xt_flowoffload_target_info)),
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+ .userspacesize = sizeof(struct xt_flowoffload_target_info),
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+ .help = offload_help,
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+ .print = offload_print,
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+ .save = offload_save,
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+ .x6_parse = offload_parse,
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+ .x6_options = offload_opts,
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+ },
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+};
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+
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+void _init(void)
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+{
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+ xtables_register_targets(offload_tg_reg, ARRAY_SIZE(offload_tg_reg));
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+}
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--- /dev/null
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+++ b/include/linux/netfilter/xt_FLOWOFFLOAD.h
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@@ -0,0 +1,17 @@
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+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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+#ifndef _XT_FLOWOFFLOAD_H
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+#define _XT_FLOWOFFLOAD_H
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+
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+#include <linux/types.h>
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+
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+enum {
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+ XT_FLOWOFFLOAD_HW = 1 << 0,
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+
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+ XT_FLOWOFFLOAD_MASK = XT_FLOWOFFLOAD_HW
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+};
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+
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+struct xt_flowoffload_target_info {
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+ __u32 flags;
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+};
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+
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+#endif /* _XT_FLOWOFFLOAD_H */
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