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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2017-01-30 08:45:43 +0300 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2017-01-30 08:45:43 +0300 |
| commit | 1995876a06bcf6f9f7d7b699bdbf387831679771 (patch) | |
| tree | 9f308c68f35e233c0ce5ce91d64bb096bec9ebb7 /net/xfrm/xfrm_input.c | |
| parent | f991bb9da142ba79b54ed0757f22e756f45e2c5a (diff) | |
| download | linux-1995876a06bcf6f9f7d7b699bdbf387831679771.tar.xz | |
xfrm: Add a dummy network device for napi.
This patch adds a dummy network device so that we can
use gro_cells for IPsec GRO. With this, we handle IPsec
GRO with no impact on the generic networking code.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/xfrm_input.c')
| -rw-r--r-- | net/xfrm/xfrm_input.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 6e3f0254d8a1..3213fe8027be 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -21,6 +21,9 @@ static struct kmem_cache *secpath_cachep __read_mostly; static DEFINE_SPINLOCK(xfrm_input_afinfo_lock); static struct xfrm_input_afinfo __rcu *xfrm_input_afinfo[NPROTO]; +static struct gro_cells gro_cells; +static struct net_device xfrm_napi_dev; + int xfrm_input_register_afinfo(struct xfrm_input_afinfo *afinfo) { int err = 0; @@ -371,7 +374,7 @@ resume: if (decaps) { skb_dst_drop(skb); - netif_rx(skb); + gro_cells_receive(&gro_cells, skb); return 0; } else { return x->inner_mode->afinfo->transport_finish(skb, async); @@ -394,6 +397,13 @@ EXPORT_SYMBOL(xfrm_input_resume); void __init xfrm_input_init(void) { + int err; + + init_dummy_netdev(&xfrm_napi_dev); + err = gro_cells_init(&gro_cells, &xfrm_napi_dev); + if (err) + gro_cells.cells = NULL; + secpath_cachep = kmem_cache_create("secpath_cache", sizeof(struct sec_path), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, |