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nfp: bpf: allow disabling TC offloads when XDP active 

TC BPF offload was added first, so we used to assume that
the ethtool TC HW offload flag cannot be touched whenever
any BPF program is loaded on the NIC.  This unncessarily
limits changes to the TC flag when offloaded program is XDP.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski 2018-01-10 12:25:58 +00:00 committed by Daniel Borkmann
parent ccbdc596f4
commit a0f30c97ac
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/netronome/nfp/bpf/main.c
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@ -191,7 +191,9 @@ static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
static bool nfp_bpf_tc_busy(struct nfp_app *app, struct nfp_net *nn)
{
return nn->dp.ctrl & NFP_NET_CFG_CTRL_BPF;
struct nfp_bpf_vnic *bv = nn->app_priv;
return !!bv->tc_prog;
}
static int