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net: macb: Added some queue statistics

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Added statistics per queue:
- qX_rx_packets
- qX_rx_bytes
- qX_rx_dropped
- qX_tx_packets
- qX_tx_bytes
- qX_tx_dropped

Signed-off-by: Rafal Ozieblo <rafalo@cadence.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rafal Ozieblo
2017-11-30 18:19:56 +00:00
committed by David S. Miller
parent ae1f2a56d2
commit 512286bbd4
2 changed files with 64 additions and 4 deletions
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31
drivers/net/ethernet/cadence/macb.h
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@@ -922,6 +922,34 @@ static const struct gem_statistic gem_statistics[] = {
#define GEM_STATS_LEN ARRAY_SIZE(gem_statistics)
#define QUEUE_STAT_TITLE(title) { \
.stat_string = title, \
}
/* per queue statistics, each should be unsigned long type */
struct queue_stats {
union {
unsigned long first;
unsigned long rx_packets;
};
unsigned long rx_bytes;
unsigned long rx_dropped;
unsigned long tx_packets;
unsigned long tx_bytes;
unsigned long tx_dropped;
};
static const struct gem_statistic queue_statistics[] = {
QUEUE_STAT_TITLE("rx_packets"),
QUEUE_STAT_TITLE("rx_bytes"),
QUEUE_STAT_TITLE("rx_dropped"),
QUEUE_STAT_TITLE("tx_packets"),
QUEUE_STAT_TITLE("tx_bytes"),
QUEUE_STAT_TITLE("tx_dropped"),
};
#define QUEUE_STATS_LEN ARRAY_SIZE(queue_statistics)
struct macb;
struct macb_queue;
@@ -989,6 +1017,7 @@ struct macb_queue {
struct sk_buff **rx_skbuff;
void *rx_buffers;
struct napi_struct napi;
struct queue_stats stats;
#ifdef CONFIG_MACB_USE_HWSTAMP
struct work_struct tx_ts_task;
@@ -1046,7 +1075,7 @@ struct macb {
int skb_length; /* saved skb length for pci_unmap_single */
unsigned int max_tx_length;
u64 ethtool_stats[GEM_STATS_LEN];
u64 ethtool_stats[GEM_STATS_LEN + QUEUE_STATS_LEN * MACB_MAX_QUEUES];
unsigned int rx_frm_len_mask;
unsigned int jumbo_max_len;