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| author | Felix Fietkau <nbd@nbd.name> | 2018-03-23 12:53:44 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-04-05 18:12:30 +0200 |
| commit | d073f650cdef24dce957099e55b660124fe2e0a4 (patch) | |
| tree | 53772d88d45ec77dc490bcf25d915e5338291d11 /package/network/utils/iptables/patches | |
| parent | 11a3d270436137fa485257eab8153ce5d307cfa7 (diff) | |
| download | upstream-d073f650cdef24dce957099e55b660124fe2e0a4.tar.gz upstream-d073f650cdef24dce957099e55b660124fe2e0a4.tar.bz2 upstream-d073f650cdef24dce957099e55b660124fe2e0a4.zip | |
kernel: add support for enabling hardware flow offload via iptables
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/network/utils/iptables/patches')
| -rw-r--r-- | package/network/utils/iptables/patches/800-flowoffload_target.patch | 87 |
1 files changed, 82 insertions, 5 deletions
diff --git a/package/network/utils/iptables/patches/800-flowoffload_target.patch b/package/network/utils/iptables/patches/800-flowoffload_target.patch index c6fe65cd3e..2f79ee835a 100644 --- a/package/network/utils/iptables/patches/800-flowoffload_target.patch +++ b/package/network/utils/iptables/patches/800-flowoffload_target.patch @@ -1,14 +1,71 @@ --- /dev/null +++ b/extensions/libxt_FLOWOFFLOAD.c -@@ -0,0 +1,15 @@ +@@ -0,0 +1,72 @@ ++#include <stdio.h> +#include <xtables.h> ++#include <linux/netfilter/xt_FLOWOFFLOAD.h> ++ ++enum { ++ O_HW, ++}; ++ ++static void offload_help(void) ++{ ++ printf( ++"FLOWOFFLOAD target options:\n" ++" --hw Enable hardware offload\n" ++ ); ++} ++ ++static const struct xt_option_entry offload_opts[] = { ++ {.name = "hw", .id = O_HW, .type = XTTYPE_NONE}, ++ XTOPT_TABLEEND, ++}; ++ ++static void offload_parse(struct xt_option_call *cb) ++{ ++ struct xt_flowoffload_target_info *info = cb->data; ++ ++ xtables_option_parse(cb); ++ switch (cb->entry->id) { ++ case O_HW: ++ info->flags |= XT_FLOWOFFLOAD_HW; ++ break; ++ } ++} ++ ++static void offload_print(const void *ip, const struct xt_entry_target *target, int numeric) ++{ ++ const struct xt_flowoffload_target_info *info = ++ (const struct xt_flowoffload_target_info *)target->data; ++ ++ printf(" FLOWOFFLOAD"); ++ if (info->flags & XT_FLOWOFFLOAD_HW) ++ printf(" hw"); ++} ++ ++static void offload_save(const void *ip, const struct xt_entry_target *target) ++{ ++ const struct xt_flowoffload_target_info *info = ++ (const struct xt_flowoffload_target_info *)target->data; ++ ++ if (info->flags & XT_FLOWOFFLOAD_HW) ++ printf(" --hw"); ++} + +static struct xtables_target offload_tg_reg[] = { + { -+ .family = NFPROTO_UNSPEC, -+ .name = "FLOWOFFLOAD", -+ .revision = 0, -+ .version = XTABLES_VERSION, ++ .family = NFPROTO_UNSPEC, ++ .name = "FLOWOFFLOAD", ++ .revision = 0, ++ .version = XTABLES_VERSION, ++ .size = XT_ALIGN(sizeof(struct xt_flowoffload_target_info)), ++ .userspacesize = sizeof(struct xt_flowoffload_target_info), ++ .help = offload_help, ++ .print = offload_print, ++ .save = offload_save, ++ .x6_parse = offload_parse, ++ .x6_options = offload_opts, + }, +}; + @@ -16,3 +73,23 @@ +{ + xtables_register_targets(offload_tg_reg, ARRAY_SIZE(offload_tg_reg)); +} +--- /dev/null ++++ b/include/linux/netfilter/xt_FLOWOFFLOAD.h +@@ -0,0 +1,17 @@ ++/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ ++#ifndef _XT_FLOWOFFLOAD_H ++#define _XT_FLOWOFFLOAD_H ++ ++#include <linux/types.h> ++ ++enum { ++ XT_FLOWOFFLOAD_HW = 1 << 0, ++ ++ XT_FLOWOFFLOAD_MASK = XT_FLOWOFFLOAD_HW ++}; ++ ++struct xt_flowoffload_target_info { ++ __u32 flags; ++}; ++ ++#endif /* _XT_FLOWOFFLOAD_H */ |