defaults: add support for setting --hw on the xt_FLOWOFFLOAD rule

Enables hardware offload support where supported

Signed-off-by: Felix Fietkau <nbd@nbd.name>

2 files changed, 4 insertions, 0 deletions

diff --git a/defaults.c b/defaults.c
index 81f439e..11fbf0d 100644
--- a/defaults.c
+++ b/defaults.c
@@ -58,6 +58,7 @@ const struct fw3_option fw3_flag_opts[] = {
 	FW3_OPT("custom_chains",       bool,     defaults, custom_chains),
 	FW3_OPT("disable_ipv6",        bool,     defaults, disable_ipv6),
 	FW3_OPT("flow_offloading",     bool,     defaults, flow_offloading),
+	FW3_OPT("flow_offloading_hw",  bool,     defaults, flow_offloading_hw),
 
 	FW3_OPT("__flags_v4",          int,      defaults, flags[0]),
 	FW3_OPT("__flags_v6",          int,      defaults, flags[1]),
@@ -236,6 +237,8 @@ fw3_print_default_head_rules(struct fw3_ipt_handle *handle,
 			fw3_ipt_rule_comment(r, "Traffic offloading");
 			fw3_ipt_rule_extra(r, "-m conntrack --ctstate RELATED,ESTABLISHED");
 			fw3_ipt_rule_target(r, "FLOWOFFLOAD");
+			if (defs->flow_offloading_hw)
+				fw3_ipt_rule_addarg(r, false, "--hw", NULL);
 			fw3_ipt_rule_append(r, "FORWARD");
 		}
 
diff --git a/options.h b/options.h
index dcce644..15cd504 100644
--- a/options.h
+++ b/options.h
@@ -290,6 +290,7 @@ struct fw3_defaults
 	bool custom_chains;
 	bool auto_helper;
 	bool flow_offloading;
+	bool flow_offloading_hw;
 
 	bool disable_ipv6;