net/netdevsim/bpf.c

335 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
338 	for (i = 0; i < ARRAY_SIZE(nmap->entry); i++)
339 		if (nsim_map_key_match(&offmap->map, &nmap->entry[i], key))
348 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
350 	nmap->entry[idx].key = kmalloc(offmap->map.key_size,
352 	if (!nmap->entry[idx].key)
354 	nmap->entry[idx].value = kmalloc(offmap->map.value_size,
356 	if (!nmap->entry[idx].value) {
357 		kfree(nmap->entry[idx].key);
358 		nmap->entry[idx].key = NULL;
369 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
372 	mutex_lock(&nmap->mutex);
381 	for (; idx < ARRAY_SIZE(nmap->entry); idx++) {
382 		if (nmap->entry[idx].key) {
383 			memcpy(next_key, nmap->entry[idx].key,
389 	mutex_unlock(&nmap->mutex);
391 	if (idx == ARRAY_SIZE(nmap->entry))
399 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
402 	mutex_lock(&nmap->mutex);
406 		memcpy(value, nmap->entry[idx].value, offmap->map.value_size);
408 	mutex_unlock(&nmap->mutex);
417 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
420 	mutex_lock(&nmap->mutex);
433 		for (idx = 0; idx < ARRAY_SIZE(nmap->entry); idx++)
434 			if (!nmap->entry[idx].key)
436 		if (idx == ARRAY_SIZE(nmap->entry)) {
446 	memcpy(nmap->entry[idx].key, key, offmap->map.key_size);
447 	memcpy(nmap->entry[idx].value, value, offmap->map.value_size);
449 	mutex_unlock(&nmap->mutex);
456 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
462 	mutex_lock(&nmap->mutex);
466 		kfree(nmap->entry[idx].key);
467 		kfree(nmap->entry[idx].value);
468 		memset(&nmap->entry[idx], 0, sizeof(nmap->entry[idx]));
471 	mutex_unlock(&nmap->mutex);
486 	struct nsim_bpf_bound_map *nmap;
497 	nmap = kzalloc(sizeof(*nmap), GFP_KERNEL_ACCOUNT);
498 	if (!nmap)
501 	offmap->dev_priv = nmap;
502 	nmap->ns = ns;
503 	nmap->map = offmap;
504 	mutex_init(&nmap->mutex);
507 		for (i = 0; i < ARRAY_SIZE(nmap->entry); i++) {
513 			key = nmap->entry[i].key;
515 			memset(nmap->entry[i].value, 0, offmap->map.value_size);
520 	list_add_tail(&nmap->l, &ns->nsim_dev->bpf_bound_maps);
526 		kfree(nmap->entry[i].key);
527 		kfree(nmap->entry[i].value);
529 	kfree(nmap);
535 	struct nsim_bpf_bound_map *nmap = offmap->dev_priv;
538 	for (i = 0; i < ARRAY_SIZE(nmap->entry); i++) {
539 		kfree(nmap->entry[i].key);
540 		kfree(nmap->entry[i].value);
542 	list_del_init(&nmap->l);
543 	mutex_destroy(&nmap->mutex);
544 	kfree(nmap);