[RFC PATCH net-next 03/13] net: core: add XDP_MODE_HW offload hook for knod
From: Taehee Yoo <ap420073@gmail.com>
Date: 2026-07-19 18:00:15
Also in:
amd-gfx, bpf, dri-devel, linux-hardening, linux-kselftest, linux-media, linux-rdma, lkml, llvm
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Route XDP program install/uninstall to the knod accelerator when a device is attached, so BPF programs run on the accelerator instead of the host. Signed-off-by: Taehee Yoo <ap420073@gmail.com> (cherry picked from commit 9689730acf7d6e4d34cd677e4615be10856c709c) --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index 7c21bc0a1e34..5ba1c969029b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -10334,7 +10334,7 @@ static int dev_xdp_install(struct net_device *dev, enum bpf_xdp_mode mode, return -EBUSY; } - if (dev_get_min_mp_channel_count(dev)) { + if (dev_get_min_mp_channel_count(dev) && mode != XDP_MODE_HW) { NL_SET_ERR_MSG(extack, "unable to install XDP to device using memory provider"); return -EBUSY; }
--
2.43.0