80 	struct s_stats *can_stats = net->can.can_stats;  in can_init_stats()  local
87 	memset(can_stats, 0, sizeof(struct s_stats));  in can_init_stats()
88 	can_stats->jiffies_init = jiffies;  in can_init_stats()
121 	struct s_stats *can_stats = net->can.can_stats;  in can_stat_update()  local
129 	if (j < can_stats->jiffies_init)  in can_stat_update()
133 	if (can_stats->rx_frames > (ULONG_MAX / HZ))  in can_stat_update()
137 	if (can_stats->tx_frames > (ULONG_MAX / HZ))  in can_stat_update()
141 	if (can_stats->matches > (ULONG_MAX / 100))  in can_stat_update()
145 	if (can_stats->rx_frames)  in can_stat_update()
146 		can_stats->total_rx_match_ratio = (can_stats->matches * 100) /  in can_stat_update()
147 			can_stats->rx_frames;  in can_stat_update()
149 	can_stats->total_tx_rate = calc_rate(can_stats->jiffies_init, j,  in can_stat_update()
150 					    can_stats->tx_frames);  in can_stat_update()
151 	can_stats->total_rx_rate = calc_rate(can_stats->jiffies_init, j,  in can_stat_update()
152 					    can_stats->rx_frames);  in can_stat_update()
155 	if (can_stats->rx_frames_delta)  in can_stat_update()
156 		can_stats->current_rx_match_ratio =  in can_stat_update()
157 			(can_stats->matches_delta * 100) /  in can_stat_update()
158 			can_stats->rx_frames_delta;  in can_stat_update()
160 	can_stats->current_tx_rate = calc_rate(0, HZ, can_stats->tx_frames_delta);  in can_stat_update()
161 	can_stats->current_rx_rate = calc_rate(0, HZ, can_stats->rx_frames_delta);  in can_stat_update()
164 	if (can_stats->max_tx_rate < can_stats->current_tx_rate)  in can_stat_update()
165 		can_stats->max_tx_rate = can_stats->current_tx_rate;  in can_stat_update()
167 	if (can_stats->max_rx_rate < can_stats->current_rx_rate)  in can_stat_update()
168 		can_stats->max_rx_rate = can_stats->current_rx_rate;  in can_stat_update()
170 	if (can_stats->max_rx_match_ratio < can_stats->current_rx_match_ratio)  in can_stat_update()
171 		can_stats->max_rx_match_ratio = can_stats->current_rx_match_ratio;  in can_stat_update()
174 	can_stats->tx_frames_delta = 0;  in can_stat_update()
175 	can_stats->rx_frames_delta = 0;  in can_stat_update()
176 	can_stats->matches_delta   = 0;  in can_stat_update()
214 	struct s_stats *can_stats = net->can.can_stats;  in can_stats_proc_show()  local
218 	seq_printf(m, " %8ld transmitted frames (TXF)\n", can_stats->tx_frames);  in can_stats_proc_show()
219 	seq_printf(m, " %8ld received frames (RXF)\n", can_stats->rx_frames);  in can_stats_proc_show()
220 	seq_printf(m, " %8ld matched frames (RXMF)\n", can_stats->matches);  in can_stats_proc_show()
226 				can_stats->total_rx_match_ratio);  in can_stats_proc_show()
229 				can_stats->total_tx_rate);  in can_stats_proc_show()
231 				can_stats->total_rx_rate);  in can_stats_proc_show()
236 				can_stats->current_rx_match_ratio);  in can_stats_proc_show()
239 				can_stats->current_tx_rate);  in can_stats_proc_show()
241 				can_stats->current_rx_rate);  in can_stats_proc_show()
246 				can_stats->max_rx_match_ratio);  in can_stats_proc_show()
249 				can_stats->max_tx_rate);  in can_stats_proc_show()
251 				can_stats->max_rx_rate);  in can_stats_proc_show()
277 	struct s_stats *can_stats = net->can.can_stats;  in can_reset_stats_proc_show()  local
285 		if (can_stats->jiffies_init != jiffies)  in can_reset_stats_proc_show()