37 				 struct psample_group *group,  in psample_group_nl_fill()  argument
48 	ret = nla_put_u32(msg, PSAMPLE_ATTR_SAMPLE_GROUP, group->group_num);  in psample_group_nl_fill()
52 	ret = nla_put_u32(msg, PSAMPLE_ATTR_GROUP_REFCOUNT, group->refcount);  in psample_group_nl_fill()
56 	ret = nla_put_u32(msg, PSAMPLE_ATTR_GROUP_SEQ, group->seq);  in psample_group_nl_fill()
71 	struct psample_group *group;  in psample_nl_cmd_get_group_dumpit()  local
77 	list_for_each_entry(group, &psample_groups_list, list) {  in psample_nl_cmd_get_group_dumpit()
78 		if (!net_eq(group->net, sock_net(msg->sk)))  in psample_nl_cmd_get_group_dumpit()
84 		err = psample_group_nl_fill(msg, group, PSAMPLE_CMD_NEW_GROUP,  in psample_nl_cmd_get_group_dumpit()
118 static void psample_group_notify(struct psample_group *group,  in psample_group_notify()  argument
128 	err = psample_group_nl_fill(msg, group, cmd, 0, 0, NLM_F_MULTI);  in psample_group_notify()
130 		genlmsg_multicast_netns(&psample_nl_family, group->net, msg, 0,  in psample_group_notify()
139 	struct psample_group *group;  in psample_group_create()  local
141 	group = kzalloc(sizeof(*group), GFP_ATOMIC);  in psample_group_create()
142 	if (!group)  in psample_group_create()
145 	group->net = net;  in psample_group_create()
146 	group->group_num = group_num;  in psample_group_create()
147 	list_add_tail(&group->list, &psample_groups_list);  in psample_group_create()
149 	psample_group_notify(group, PSAMPLE_CMD_NEW_GROUP);  in psample_group_create()
150 	return group;  in psample_group_create()
153 static void psample_group_destroy(struct psample_group *group)  in psample_group_destroy()  argument
155 	psample_group_notify(group, PSAMPLE_CMD_DEL_GROUP);  in psample_group_destroy()
156 	list_del(&group->list);  in psample_group_destroy()
157 	kfree_rcu(group, rcu);  in psample_group_destroy()
163 	struct psample_group *group;  in psample_group_lookup()  local
165 	list_for_each_entry(group, &psample_groups_list, list)  in psample_group_lookup()
166 		if ((group->group_num == group_num) && (group->net == net))  in psample_group_lookup()
167 			return group;  in psample_group_lookup()
173 	struct psample_group *group;  in psample_group_get()  local
177 	group = psample_group_lookup(net, group_num);  in psample_group_get()
178 	if (!group) {  in psample_group_get()
179 		group = psample_group_create(net, group_num);  in psample_group_get()
180 		if (!group)  in psample_group_get()
183 	group->refcount++;  in psample_group_get()
187 	return group;  in psample_group_get()
191 void psample_group_take(struct psample_group *group)  in psample_group_take()  argument
194 	group->refcount++;  in psample_group_take()
199 void psample_group_put(struct psample_group *group)  in psample_group_put()  argument
203 	if (--group->refcount == 0)  in psample_group_put()
204 		psample_group_destroy(group);  in psample_group_put()
210 void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,  in psample_sample_packet()  argument
261 	ret = nla_put_u32(nl_skb, PSAMPLE_ATTR_SAMPLE_GROUP, group->group_num);  in psample_sample_packet()
265 	ret = nla_put_u32(nl_skb, PSAMPLE_ATTR_GROUP_SEQ, group->seq++);  in psample_sample_packet()
282 	genlmsg_multicast_netns(&psample_nl_family, group->net, nl_skb, 0,  in psample_sample_packet()