1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_GEN_STATS_H 3 #define __LINUX_GEN_STATS_H 4 5 #include <linux/types.h> 6 7 enum { 8 TCA_STATS_UNSPEC, 9 TCA_STATS_BASIC, 10 TCA_STATS_RATE_EST, 11 TCA_STATS_QUEUE, 12 TCA_STATS_APP, 13 TCA_STATS_RATE_EST64, 14 TCA_STATS_PAD, 15 TCA_STATS_BASIC_HW, 16 __TCA_STATS_MAX, 17 }; 18 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1) 19 20 /** 21 * struct gnet_stats_basic - byte/packet throughput statistics 22 * @bytes: number of seen bytes 23 * @packets: number of seen packets 24 */ 25 struct gnet_stats_basic { 26 __u64 bytes; 27 __u32 packets; 28 }; 29 struct gnet_stats_basic_packed { 30 __u64 bytes; 31 __u32 packets; 32 } __attribute__ ((packed)); 33 34 /** 35 * struct gnet_stats_rate_est - rate estimator 36 * @bps: current byte rate 37 * @pps: current packet rate 38 */ 39 struct gnet_stats_rate_est { 40 __u32 bps; 41 __u32 pps; 42 }; 43 44 /** 45 * struct gnet_stats_rate_est64 - rate estimator 46 * @bps: current byte rate 47 * @pps: current packet rate 48 */ 49 struct gnet_stats_rate_est64 { 50 __u64 bps; 51 __u64 pps; 52 }; 53 54 /** 55 * struct gnet_stats_queue - queuing statistics 56 * @qlen: queue length 57 * @backlog: backlog size of queue 58 * @drops: number of dropped packets 59 * @requeues: number of requeues 60 * @overlimits: number of enqueues over the limit 61 */ 62 struct gnet_stats_queue { 63 __u32 qlen; 64 __u32 backlog; 65 __u32 drops; 66 __u32 requeues; 67 __u32 overlimits; 68 }; 69 70 /** 71 * struct gnet_estimator - rate estimator configuration 72 * @interval: sampling period 73 * @ewma_log: the log of measurement window weight 74 */ 75 struct gnet_estimator { 76 signed char interval; 77 unsigned char ewma_log; 78 }; 79 80 81 #endif /* __LINUX_GEN_STATS_H */ 82