2285 	struct sw_flow_actions *sfa;  in nla_alloc_flow_actions()  local
2287 	sfa = kmalloc(kmalloc_size_roundup(sizeof(*sfa) + size), GFP_KERNEL);  in nla_alloc_flow_actions()
2288 	if (!sfa)  in nla_alloc_flow_actions()
2291 	sfa->actions_len = 0;  in nla_alloc_flow_actions()
2292 	return sfa;  in nla_alloc_flow_actions()
2427 static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa,  in reserve_sfa_size()  argument
2435 					(*sfa)->actions_len;  in reserve_sfa_size()
2437 	if (req_size <= (ksize(*sfa) - next_offset))  in reserve_sfa_size()
2440 	new_acts_size = max(next_offset + req_size, ksize(*sfa) * 2);  in reserve_sfa_size()
2446 	memcpy(acts->actions, (*sfa)->actions, (*sfa)->actions_len);  in reserve_sfa_size()
2447 	acts->actions_len = (*sfa)->actions_len;  in reserve_sfa_size()
2448 	acts->orig_len = (*sfa)->orig_len;  in reserve_sfa_size()
2449 	kfree(*sfa);  in reserve_sfa_size()
2450 	*sfa = acts;  in reserve_sfa_size()
2453 	(*sfa)->actions_len += req_size;  in reserve_sfa_size()
2454 	return  (struct nlattr *) ((unsigned char *)(*sfa) + next_offset);  in reserve_sfa_size()
2457 static struct nlattr *__add_action(struct sw_flow_actions **sfa,  in __add_action()  argument
2462 	a = reserve_sfa_size(sfa, nla_attr_size(len), log);  in __add_action()
2476 int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype, void *data,  in ovs_nla_add_action()  argument
2481 	a = __add_action(sfa, attrtype, data, len, log);  in ovs_nla_add_action()
2486 static inline int add_nested_action_start(struct sw_flow_actions **sfa,  in add_nested_action_start()  argument
2489 	int used = (*sfa)->actions_len;  in add_nested_action_start()
2492 	err = ovs_nla_add_action(sfa, attrtype, NULL, 0, log);  in add_nested_action_start()
2499 static inline void add_nested_action_end(struct sw_flow_actions *sfa,  in add_nested_action_end()  argument
2502 	struct nlattr *a = (struct nlattr *) ((unsigned char *)sfa->actions +  in add_nested_action_end()
2505 	a->nla_len = sfa->actions_len - st_offset;  in add_nested_action_end()
2510 				  struct sw_flow_actions **sfa,
2517 				    struct sw_flow_actions **sfa,  in validate_and_copy_sample()  argument
2547 	start = add_nested_action_start(sfa, OVS_ACTION_ATTR_SAMPLE, log);  in validate_and_copy_sample()
2565 	err = ovs_nla_add_action(sfa, OVS_SAMPLE_ATTR_ARG, &arg, sizeof(arg),  in validate_and_copy_sample()
2570 	err = __ovs_nla_copy_actions(net, actions, key, sfa,  in validate_and_copy_sample()
2577 	add_nested_action_end(*sfa, start);  in validate_and_copy_sample()
2585 				     struct sw_flow_actions **sfa,  in validate_and_copy_dec_ttl()  argument
2622 	start = add_nested_action_start(sfa, OVS_ACTION_ATTR_DEC_TTL, log);  in validate_and_copy_dec_ttl()
2626 	action_start = add_nested_action_start(sfa, OVS_DEC_TTL_ATTR_ACTION, log);  in validate_and_copy_dec_ttl()
2630 	err = __ovs_nla_copy_actions(net, actions, key, sfa, eth_type,  in validate_and_copy_dec_ttl()
2636 	add_nested_action_end(*sfa, action_start);  in validate_and_copy_dec_ttl()
2637 	add_nested_action_end(*sfa, start);  in validate_and_copy_dec_ttl()
2644 				   struct sw_flow_actions **sfa,  in validate_and_copy_clone()  argument
2655 	start = add_nested_action_start(sfa, OVS_ACTION_ATTR_CLONE, log);  in validate_and_copy_clone()
2661 	err = ovs_nla_add_action(sfa, OVS_CLONE_ATTR_EXEC, &exec,  in validate_and_copy_clone()
2666 	err = __ovs_nla_copy_actions(net, attr, key, sfa,  in validate_and_copy_clone()
2672 	add_nested_action_end(*sfa, start);  in validate_and_copy_clone()
2725 				     struct sw_flow_actions **sfa, bool log)  in validate_and_copy_set_tun()  argument
2759 	start = add_nested_action_start(sfa, OVS_ACTION_ATTR_SET, log);  in validate_and_copy_set_tun()
2775 	a = __add_action(sfa, OVS_KEY_ATTR_TUNNEL_INFO, NULL,  in validate_and_copy_set_tun()
2800 	add_nested_action_end(*sfa, start);  in validate_and_copy_set_tun()
2837 			struct sw_flow_actions **sfa, bool *skip_copy,  in validate_set()  argument
2879 		err = validate_and_copy_set_tun(a, sfa, log);  in validate_set()
2977 		start = add_nested_action_start(sfa,  in validate_set()
2983 		at = __add_action(sfa, key_type, NULL, len, log);  in validate_set()
2995 		add_nested_action_end(*sfa, start);  in validate_set()
3033 					   struct sw_flow_actions **sfa,  in validate_and_copy_check_pkt_len()  argument
3062 	start = add_nested_action_start(sfa, OVS_ACTION_ATTR_CHECK_PKT_LEN,  in validate_and_copy_check_pkt_len()
3073 	err = ovs_nla_add_action(sfa, OVS_CHECK_PKT_LEN_ATTR_ARG, &arg,  in validate_and_copy_check_pkt_len()
3078 	nested_acts_start = add_nested_action_start(sfa,  in validate_and_copy_check_pkt_len()
3083 	err = __ovs_nla_copy_actions(net, acts_if_lesser_eq, key, sfa,  in validate_and_copy_check_pkt_len()
3090 	add_nested_action_end(*sfa, nested_acts_start);  in validate_and_copy_check_pkt_len()
3092 	nested_acts_start = add_nested_action_start(sfa,  in validate_and_copy_check_pkt_len()
3097 	err = __ovs_nla_copy_actions(net, acts_if_greater, key, sfa,  in validate_and_copy_check_pkt_len()
3104 	add_nested_action_end(*sfa, nested_acts_start);  in validate_and_copy_check_pkt_len()
3105 	add_nested_action_end(*sfa, start);  in validate_and_copy_check_pkt_len()
3132 		       struct sw_flow_actions **sfa, bool log)  in copy_action()  argument
3137 	to = reserve_sfa_size(sfa, from->nla_len, log);  in copy_action()
3147 				  struct sw_flow_actions **sfa,  in __ovs_nla_copy_actions()  argument
3336 			err = validate_set(a, key, sfa,  in __ovs_nla_copy_actions()
3344 			err = validate_set(a, key, sfa,  in __ovs_nla_copy_actions()
3354 			err = validate_and_copy_sample(net, a, key, sfa,  in __ovs_nla_copy_actions()
3365 			err = ovs_ct_copy_action(net, a, key, sfa, log);  in __ovs_nla_copy_actions()
3425 			err = validate_and_copy_clone(net, a, key, sfa,  in __ovs_nla_copy_actions()
3438 			err = validate_and_copy_check_pkt_len(net, a, key, sfa,  in __ovs_nla_copy_actions()
3451 			err = validate_and_copy_dec_ttl(net, a, key, sfa,  in __ovs_nla_copy_actions()
3476 			err = copy_action(a, sfa, log);  in __ovs_nla_copy_actions()
3491 			 struct sw_flow_actions **sfa, bool log)  in ovs_nla_copy_actions()  argument
3496 	*sfa = nla_alloc_flow_actions(nla_len(attr));  in ovs_nla_copy_actions()
3497 	if (IS_ERR(*sfa))  in ovs_nla_copy_actions()
3498 		return PTR_ERR(*sfa);  in ovs_nla_copy_actions()
3503 	(*sfa)->orig_len = nla_len(attr);  in ovs_nla_copy_actions()
3504 	err = __ovs_nla_copy_actions(net, attr, key, sfa, key->eth.type,  in ovs_nla_copy_actions()
3508 		ovs_nla_free_flow_actions(*sfa);  in ovs_nla_copy_actions()