diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/main.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/main.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c b/drivers/net/ethernet/netronome/nfp/bpf/main.c index 4b63167906ca..e8cfe300c8c4 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/main.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c @@ -87,16 +87,21 @@ static const char *nfp_bpf_extra_cap(struct nfp_app *app, struct nfp_net *nn) static int nfp_bpf_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id) { + struct nfp_bpf_vnic *bv; int err; - nn->app_priv = kzalloc(sizeof(struct nfp_bpf_vnic), GFP_KERNEL); - if (!nn->app_priv) + bv = kzalloc(sizeof(*bv), GFP_KERNEL); + if (!bv) return -ENOMEM; + nn->app_priv = bv; err = nfp_app_nic_vnic_alloc(app, nn, id); if (err) goto err_free_priv; + bv->start_off = nn_readw(nn, NFP_NET_CFG_BPF_START); + bv->tgt_done = nn_readw(nn, NFP_NET_CFG_BPF_DONE); + return 0; err_free_priv: kfree(nn->app_priv); @@ -191,7 +196,27 @@ 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 +nfp_bpf_change_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu) +{ + struct nfp_net *nn = netdev_priv(netdev); + unsigned int max_mtu; + + if (~nn->dp.ctrl & NFP_NET_CFG_CTRL_BPF) + return 0; + + max_mtu = nn_readb(nn, NFP_NET_CFG_BPF_INL_MTU) * 64 - 32; + if (new_mtu > max_mtu) { + nn_info(nn, "BPF offload active, MTU over %u not supported\n", + max_mtu); + return -EBUSY; + } + return 0; } static int @@ -311,6 +336,8 @@ const struct nfp_app_type app_bpf = { .init = nfp_bpf_init, .clean = nfp_bpf_clean, + .change_mtu = nfp_bpf_change_mtu, + .extra_cap = nfp_bpf_extra_cap, .vnic_alloc = nfp_bpf_vnic_alloc, @@ -318,9 +345,6 @@ const struct nfp_app_type app_bpf = { .setup_tc = nfp_bpf_setup_tc, .tc_busy = nfp_bpf_tc_busy, + .bpf = nfp_ndo_bpf, .xdp_offload = nfp_bpf_xdp_offload, - - .bpf_verifier_prep = nfp_bpf_verifier_prep, - .bpf_translate = nfp_bpf_translate, - .bpf_destroy = nfp_bpf_destroy, }; |