[PATCH net-next 1/2] netdevsim: tc: allow to test nf_tables offload control plane code
From: Florian Westphal <fw@strlen.de>
Date: 2026-06-10 17:59:28
Also in:
netfilter-devel
Subsystem:
netdevsim, networking drivers, the rest · Maintainers:
Jakub Kicinski, Andrew Lunn, "David S. Miller", Eric Dumazet, Paolo Abeni, Linus Torvalds
The actual 'offload' is phony, all commands are ignored: this is only useful to test control plane code. Tag the existing callback to permit error injection to test rollback/abort code in nf_tables. Signed-off-by: Florian Westphal <fw@strlen.de> --- drivers/net/netdevsim/tc.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/net/netdevsim/tc.c b/drivers/net/netdevsim/tc.c
index 8f013a5895a2..0c55d23dae10 100644
--- a/drivers/net/netdevsim/tc.c
+++ b/drivers/net/netdevsim/tc.c@@ -9,7 +9,20 @@ static int nsim_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv) { - return nsim_bpf_setup_tc_block_cb(type, type_data, cb_priv); + int err = 0; + + switch (type) { + case TC_SETUP_CLSBPF: + err = nsim_bpf_setup_tc_block_cb(type, type_data, cb_priv); + break; + case TC_SETUP_CLSFLOWER: + break; + default: + err = -EOPNOTSUPP; + break; + } + + return err; } static void nsim_taprio_stats(struct tc_taprio_qopt_stats *stats)
@@ -73,7 +86,10 @@ nsim_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data) &nsim_block_cb_list, nsim_setup_tc_block_cb, ns, ns, true); + case TC_SETUP_FT: + return 0; default: return -EOPNOTSUPP; } } +ALLOW_ERROR_INJECTION(nsim_setup_tc, ERRNO);
--
2.53.0