nfp/bpf/offload.c

46 	/* Grab a single ref to the map for our record.  The prog destroy ndo
112 		    struct bpf_prog *prog)
116 	mutex_lock(&prog->aux->used_maps_mutex);
120 	for (i = 0; i < prog->aux->used_map_cnt; i++)
121 		if (bpf_map_offload_neutral(prog->aux->used_maps[i]))
134 	for (i = 0; i < prog->aux->used_map_cnt; i++)
135 		if (bpf_map_offload_neutral(prog->aux->used_maps[i])) {
137 						 prog->aux->used_maps[i]);
146 	mutex_unlock(&prog->aux->used_maps_mutex);
151 nfp_prog_prepare(struct nfp_prog *nfp_prog, const struct bpf_insn *prog,
162 		meta->insn = prog[i];
191 static int nfp_bpf_verifier_prep(struct bpf_prog *prog)
199 	prog->aux->offload->dev_priv = nfp_prog;
202 	nfp_prog->type = prog->type;
203 	nfp_prog->bpf = bpf_offload_dev_priv(prog->aux->offload->offdev);
205 	ret = nfp_prog_prepare(nfp_prog, prog->insnsi, prog->len);
219 static int nfp_bpf_translate(struct bpf_prog *prog)
221 	struct nfp_net *nn = netdev_priv(prog->aux->offload->netdev);
222 	struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv;
227 	if (prog->aux->offload->opt_failed)
233 	nfp_prog->prog = kvmalloc(nfp_prog->__prog_alloc_len, GFP_KERNEL);
234 	if (!nfp_prog->prog)
241 	prog->aux->offload->jited_len = nfp_prog->prog_len * sizeof(u64);
242 	prog->aux->offload->jited_image = nfp_prog->prog;
244 	return nfp_map_ptrs_record(nfp_prog->bpf, nfp_prog, prog);
247 static void nfp_bpf_destroy(struct bpf_prog *prog)
249 	struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv;
251 	kvfree(nfp_prog->prog);
484 bool nfp_bpf_offload_check_mtu(struct nfp_net *nn, struct bpf_prog *prog,
490 	pkt_off = min(prog->aux->max_pkt_offset, mtu);
496 nfp_net_bpf_load(struct nfp_net *nn, struct bpf_prog *prog,
499 	struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv;
505 	if (nfp_bpf_offload_check_mtu(nn, prog, nn->dp.netdev->mtu)) {
575 int nfp_net_bpf_offload(struct nfp_net *nn, struct bpf_prog *prog,
580 	if (prog && !bpf_offload_dev_match(prog, nn->dp.netdev))
583 	if (prog && old_prog) {
598 	if (old_prog && !prog)
601 	err = nfp_net_bpf_load(nn, prog, extack);