return 0;
}
+static unsigned int
+rtnl_offload_xstats_get_size_stats(const struct net_device *dev,
+ enum netdev_offload_xstats_type type)
+{
+ bool enabled = netdev_offload_xstats_enabled(dev, type);
+
+ return enabled ? sizeof(struct rtnl_hw_stats64) : 0;
+}
+
+struct rtnl_offload_xstats_request_used {
+ bool request;
+ bool used;
+};
+
+static int
+rtnl_offload_xstats_get_stats(struct net_device *dev,
+ enum netdev_offload_xstats_type type,
+ struct rtnl_offload_xstats_request_used *ru,
+ struct rtnl_hw_stats64 *stats,
+ struct netlink_ext_ack *extack)
+{
+ bool request;
+ bool used;
+ int err;
+
+ request = netdev_offload_xstats_enabled(dev, type);
+ if (!request) {
+ used = false;
+ goto out;
+ }
+
+ err = netdev_offload_xstats_get(dev, type, stats, &used, extack);
+ if (err)
+ return err;
+
+out:
+ if (ru) {
+ ru->request = request;
+ ru->used = used;
+ }
+ return 0;
+}
+
+static int
+rtnl_offload_xstats_fill_hw_s_info_one(struct sk_buff *skb, int attr_id,
+ struct rtnl_offload_xstats_request_used *ru)
+{
+ struct nlattr *nest;
+
+ nest = nla_nest_start(skb, attr_id);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(skb, IFLA_OFFLOAD_XSTATS_HW_S_INFO_REQUEST, ru->request))
+ goto nla_put_failure;
+
+ if (nla_put_u8(skb, IFLA_OFFLOAD_XSTATS_HW_S_INFO_USED, ru->used))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nest);
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nest);
+ return -EMSGSIZE;
+}
+
+static int
+rtnl_offload_xstats_fill_hw_s_info(struct sk_buff *skb, struct net_device *dev,
+ struct netlink_ext_ack *extack)
+{
+ enum netdev_offload_xstats_type t_l3 = NETDEV_OFFLOAD_XSTATS_TYPE_L3;
+ struct rtnl_offload_xstats_request_used ru_l3;
+ struct nlattr *nest;
+ int err;
+
+ err = rtnl_offload_xstats_get_stats(dev, t_l3, &ru_l3, NULL, extack);
+ if (err)
+ return err;
+
+ nest = nla_nest_start(skb, IFLA_OFFLOAD_XSTATS_HW_S_INFO);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (rtnl_offload_xstats_fill_hw_s_info_one(skb,
+ IFLA_OFFLOAD_XSTATS_L3_STATS,
+ &ru_l3))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nest);
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nest);
+ return -EMSGSIZE;
+}
+
static int rtnl_offload_xstats_fill(struct sk_buff *skb, struct net_device *dev,
int *prividx, u32 off_filter_mask,
struct netlink_ext_ack *extack)
{
+ enum netdev_offload_xstats_type t_l3 = NETDEV_OFFLOAD_XSTATS_TYPE_L3;
+ int attr_id_hw_s_info = IFLA_OFFLOAD_XSTATS_HW_S_INFO;
+ int attr_id_l3_stats = IFLA_OFFLOAD_XSTATS_L3_STATS;
int attr_id_cpu_hit = IFLA_OFFLOAD_XSTATS_CPU_HIT;
bool have_data = false;
int err;
}
}
+ if (*prividx <= attr_id_hw_s_info &&
+ (off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_hw_s_info))) {
+ *prividx = attr_id_hw_s_info;
+
+ err = rtnl_offload_xstats_fill_hw_s_info(skb, dev, extack);
+ if (err)
+ return err;
+
+ have_data = true;
+ *prividx = 0;
+ }
+
+ if (*prividx <= attr_id_l3_stats &&
+ (off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_l3_stats))) {
+ unsigned int size_l3;
+ struct nlattr *attr;
+
+ *prividx = attr_id_l3_stats;
+
+ size_l3 = rtnl_offload_xstats_get_size_stats(dev, t_l3);
+ attr = nla_reserve_64bit(skb, attr_id_l3_stats, size_l3,
+ IFLA_OFFLOAD_XSTATS_UNSPEC);
+ if (!attr)
+ return -EMSGSIZE;
+
+ err = rtnl_offload_xstats_get_stats(dev, t_l3, NULL,
+ nla_data(attr), extack);
+ if (err)
+ return err;
+
+ have_data = true;
+ *prividx = 0;
+ }
+
if (!have_data)
return -ENODATA;
return 0;
}
+static unsigned int
+rtnl_offload_xstats_get_size_hw_s_info_one(const struct net_device *dev,
+ enum netdev_offload_xstats_type type)
+{
+ bool enabled = netdev_offload_xstats_enabled(dev, type);
+
+ return nla_total_size(0) +
+ /* IFLA_OFFLOAD_XSTATS_HW_S_INFO_REQUEST */
+ nla_total_size(sizeof(u8)) +
+ /* IFLA_OFFLOAD_XSTATS_HW_S_INFO_USED */
+ (enabled ? nla_total_size(sizeof(u8)) : 0) +
+ 0;
+}
+
+static unsigned int
+rtnl_offload_xstats_get_size_hw_s_info(const struct net_device *dev)
+{
+ enum netdev_offload_xstats_type t_l3 = NETDEV_OFFLOAD_XSTATS_TYPE_L3;
+
+ return nla_total_size(0) +
+ /* IFLA_OFFLOAD_XSTATS_L3_STATS */
+ rtnl_offload_xstats_get_size_hw_s_info_one(dev, t_l3) +
+ 0;
+}
+
static int rtnl_offload_xstats_get_size(const struct net_device *dev,
u32 off_filter_mask)
{
+ enum netdev_offload_xstats_type t_l3 = NETDEV_OFFLOAD_XSTATS_TYPE_L3;
int attr_id_cpu_hit = IFLA_OFFLOAD_XSTATS_CPU_HIT;
int nla_size = 0;
int size;
nla_size += nla_total_size_64bit(size);
}
+ if (off_filter_mask &
+ IFLA_STATS_FILTER_BIT(IFLA_OFFLOAD_XSTATS_HW_S_INFO))
+ nla_size += rtnl_offload_xstats_get_size_hw_s_info(dev);
+
+ if (off_filter_mask &
+ IFLA_STATS_FILTER_BIT(IFLA_OFFLOAD_XSTATS_L3_STATS)) {
+ size = rtnl_offload_xstats_get_size_stats(dev, t_l3);
+ nla_size += nla_total_size_64bit(size);
+ }
+
if (nla_size != 0)
nla_size += nla_total_size(0);