From 1c9535c701fb287c2f292bc7fb39a07c5f8a25fd Mon Sep 17 00:00:00 2001 From: Denis Kirjanov Date: Mon, 29 Jun 2020 16:13:29 +0300 Subject: xen networking: add XDP offset adjustment to xen-netback the patch basically adds the offset adjustment and netfront state reading to make XDP work on netfront side. Reviewed-by: Paul Durrant Signed-off-by: Denis Kirjanov Signed-off-by: David S. Miller --- drivers/net/xen-netback/netback.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/net/xen-netback/netback.c') diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 315dfc6ea297..6dfca7265644 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -96,6 +96,13 @@ unsigned int xenvif_hash_cache_size = XENVIF_HASH_CACHE_SIZE_DEFAULT; module_param_named(hash_cache_size, xenvif_hash_cache_size, uint, 0644); MODULE_PARM_DESC(hash_cache_size, "Number of flows in the hash cache"); +/* The module parameter tells that we have to put data + * for xen-netfront with the XDP_PACKET_HEADROOM offset + * needed for XDP processing + */ +bool provides_xdp_headroom = true; +module_param(provides_xdp_headroom, bool, 0644); + static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx, u8 status); -- cgit v1.2.3-70-g09d2