[RFC PATCH net-next 03/13] net: core: add XDP_MODE_HW offload hook for knod
Taehee Yoo <[email protected]>
| Newsgroups | org.kernel.vger.linux-hardening,dev.linux.lists.llvm,org.freedesktop.lists.amd-gfx,org.freedesktop.lists.dri-devel,org.kernel.vger.bpf,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-media,org.kernel.vger.linux-rdma,org.kernel.vger.netdev |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]> (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