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nfp: bpf: Convert ndo_setup_tc offloads to block callbacks
Benefit from the newly introduced block callback infrastructure and convert ndo_setup_tc calls for bpf offloads to block callbacks. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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363fc53b8b
commit
90d97315b3
1 changed files with 48 additions and 12 deletions
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@ -114,22 +114,58 @@ static void nfp_bpf_vnic_free(struct nfp_app *app, struct nfp_net *nn)
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kfree(nn->app_priv);
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}
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static int nfp_bpf_setup_tc_block_cb(enum tc_setup_type type,
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void *type_data, void *cb_priv)
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{
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struct tc_cls_bpf_offload *cls_bpf = type_data;
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struct nfp_net *nn = cb_priv;
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switch (type) {
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case TC_SETUP_CLSBPF:
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if (!nfp_net_ebpf_capable(nn) ||
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cls_bpf->common.protocol != htons(ETH_P_ALL) ||
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cls_bpf->common.chain_index)
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return -EOPNOTSUPP;
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return nfp_net_bpf_offload(nn, cls_bpf);
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default:
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return -EOPNOTSUPP;
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}
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}
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static int nfp_bpf_setup_tc_block(struct net_device *netdev,
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struct tc_block_offload *f)
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{
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struct nfp_net *nn = netdev_priv(netdev);
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if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
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return -EOPNOTSUPP;
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switch (f->command) {
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case TC_BLOCK_BIND:
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return tcf_block_cb_register(f->block,
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nfp_bpf_setup_tc_block_cb,
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nn, nn);
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case TC_BLOCK_UNBIND:
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tcf_block_cb_unregister(f->block,
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nfp_bpf_setup_tc_block_cb,
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nn);
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return 0;
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default:
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return -EOPNOTSUPP;
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}
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}
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static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
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enum tc_setup_type type, void *type_data)
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{
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struct tc_cls_bpf_offload *cls_bpf = type_data;
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struct nfp_net *nn = netdev_priv(netdev);
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if (type != TC_SETUP_CLSBPF || !nfp_net_ebpf_capable(nn) ||
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!is_classid_clsact_ingress(cls_bpf->common.classid) ||
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cls_bpf->common.protocol != htons(ETH_P_ALL) ||
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cls_bpf->common.chain_index)
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switch (type) {
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case TC_SETUP_CLSBPF:
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return 0; /* will be removed after conversion from ndo */
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case TC_SETUP_BLOCK:
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return nfp_bpf_setup_tc_block(netdev, type_data);
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default:
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return -EOPNOTSUPP;
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if (nn->dp.bpf_offload_xdp)
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return -EBUSY;
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return nfp_net_bpf_offload(nn, cls_bpf);
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}
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}
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static bool nfp_bpf_tc_busy(struct nfp_app *app, struct nfp_net *nn)
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