#include "ionic_ethtool.h"
#include "ionic_stats.h"
-static const char ionic_priv_flags_strings[][ETH_GSTRING_LEN] = {
-#define IONIC_PRIV_F_SW_DBG_STATS BIT(0)
- "sw-dbg-stats",
-};
-
-#define IONIC_PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings)
-
static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf)
{
u32 i;
case ETH_SS_STATS:
count = ionic_get_stats_count(lif);
break;
- case ETH_SS_PRIV_FLAGS:
- count = IONIC_PRIV_FLAGS_COUNT;
- break;
}
return count;
}
case ETH_SS_STATS:
ionic_get_stats_strings(lif, buf);
break;
- case ETH_SS_PRIV_FLAGS:
- memcpy(buf, ionic_priv_flags_strings,
- IONIC_PRIV_FLAGS_COUNT * ETH_GSTRING_LEN);
- break;
}
}
return err;
}
-static u32 ionic_get_priv_flags(struct net_device *netdev)
-{
- struct ionic_lif *lif = netdev_priv(netdev);
- u32 priv_flags = 0;
-
- if (test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
- priv_flags |= IONIC_PRIV_F_SW_DBG_STATS;
-
- return priv_flags;
-}
-
-static int ionic_set_priv_flags(struct net_device *netdev, u32 priv_flags)
-{
- struct ionic_lif *lif = netdev_priv(netdev);
-
- clear_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state);
- if (priv_flags & IONIC_PRIV_F_SW_DBG_STATS)
- set_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state);
-
- return 0;
-}
-
static int ionic_get_rxnfc(struct net_device *netdev,
struct ethtool_rxnfc *info, u32 *rules)
{
.get_strings = ionic_get_strings,
.get_ethtool_stats = ionic_get_stats,
.get_sset_count = ionic_get_sset_count,
- .get_priv_flags = ionic_get_priv_flags,
- .set_priv_flags = ionic_set_priv_flags,
.get_rxnfc = ionic_get_rxnfc,
.get_rxfh_indir_size = ionic_get_rxfh_indir_size,
.get_rxfh_key_size = ionic_get_rxfh_key_size,
#define IONIC_ADMINQ_LENGTH 16 /* must be a power of two */
#define IONIC_NOTIFYQ_LENGTH 64 /* must be a power of two */
-#define IONIC_MAX_NUM_NAPI_CNTR (NAPI_POLL_WEIGHT + 1)
-#define IONIC_MAX_NUM_SG_CNTR (IONIC_TX_MAX_SG_ELEMS + 1)
-
#define ADD_ADDR true
#define DEL_ADDR false
#define CAN_SLEEP true
u64 clean;
u64 linearize;
u64 crc32_csum;
- u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR];
u64 dma_map_err;
u64 hwstamp_valid;
u64 hwstamp_invalid;
u64 bytes;
u64 csum_none;
u64 csum_complete;
- u64 buffers_posted;
u64 dropped;
u64 vlan_stripped;
u64 csum_error;
#define IONIC_QCQ_F_RX_STATS BIT(4)
#define IONIC_QCQ_F_NOTIFYQ BIT(5)
-struct ionic_napi_stats {
- u64 poll_count;
- u64 work_done_cntr[IONIC_MAX_NUM_NAPI_CNTR];
-};
-
struct ionic_qcq {
void *q_base;
dma_addr_t q_base_pa;
struct ionic_cq cq;
struct ionic_intr_info intr;
struct napi_struct napi;
- struct ionic_napi_stats napi_stats;
unsigned int flags;
struct dentry *dentry;
};
enum ionic_lif_state_flags {
IONIC_LIF_F_INITED,
- IONIC_LIF_F_SW_DEBUG_STATS,
IONIC_LIF_F_UP,
IONIC_LIF_F_LINK_CHECK_REQUESTED,
IONIC_LIF_F_FILTER_SYNC_NEEDED,
void ionic_lif_rx_mode(struct ionic_lif *lif);
int ionic_reconfigure_queues(struct ionic_lif *lif,
struct ionic_queue_params *qparam);
-
-static inline void debug_stats_txq_post(struct ionic_queue *q, bool dbell)
-{
- struct ionic_txq_desc *desc = &q->txq[q->head_idx];
- u8 num_sg_elems;
-
- q->dbell_count += dbell;
-
- num_sg_elems = ((le64_to_cpu(desc->cmd) >> IONIC_TXQ_DESC_NSGE_SHIFT)
- & IONIC_TXQ_DESC_NSGE_MASK);
- if (num_sg_elems > (IONIC_MAX_NUM_SG_CNTR - 1))
- num_sg_elems = IONIC_MAX_NUM_SG_CNTR - 1;
-
- q->lif->txqstats[q->index].sg_cntr[num_sg_elems]++;
-}
-
-static inline void debug_stats_napi_poll(struct ionic_qcq *qcq,
- unsigned int work_done)
-{
- qcq->napi_stats.poll_count++;
-
- if (work_done > (IONIC_MAX_NUM_NAPI_CNTR - 1))
- work_done = IONIC_MAX_NUM_NAPI_CNTR - 1;
-
- qcq->napi_stats.work_done_cntr[work_done]++;
-}
-
-#define DEBUG_STATS_CQE_CNT(cq) ((cq)->compl_count++)
-#define DEBUG_STATS_RX_BUFF_CNT(q) ((q)->lif->rxqstats[q->index].buffers_posted++)
-#define DEBUG_STATS_TXQ_POST(q, dbell) debug_stats_txq_post(q, dbell)
-#define DEBUG_STATS_NAPI_POLL(qcq, work_done) \
- debug_stats_napi_poll(qcq, work_done)
-
#endif /* _IONIC_LIF_H_ */
IONIC_RX_STAT_DESC(vlan_stripped),
};
-static const struct ionic_stat_desc ionic_txq_stats_desc[] = {
- IONIC_TX_Q_STAT_DESC(stop),
- IONIC_TX_Q_STAT_DESC(wake),
- IONIC_TX_Q_STAT_DESC(drop),
- IONIC_TX_Q_STAT_DESC(dbell_count),
-};
-
-static const struct ionic_stat_desc ionic_dbg_cq_stats_desc[] = {
- IONIC_CQ_STAT_DESC(compl_count),
-};
-
-static const struct ionic_stat_desc ionic_dbg_intr_stats_desc[] = {
- IONIC_INTR_STAT_DESC(rearm_count),
-};
-
-static const struct ionic_stat_desc ionic_dbg_napi_stats_desc[] = {
- IONIC_NAPI_STAT_DESC(poll_count),
-};
#define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc)
#define IONIC_NUM_PORT_STATS ARRAY_SIZE(ionic_port_stats_desc)
#define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc)
#define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc)
-#define IONIC_NUM_TX_Q_STATS ARRAY_SIZE(ionic_txq_stats_desc)
-#define IONIC_NUM_DBG_CQ_STATS ARRAY_SIZE(ionic_dbg_cq_stats_desc)
-#define IONIC_NUM_DBG_INTR_STATS ARRAY_SIZE(ionic_dbg_intr_stats_desc)
-#define IONIC_NUM_DBG_NAPI_STATS ARRAY_SIZE(ionic_dbg_napi_stats_desc)
#define MAX_Q(lif) ((lif)->netdev->real_num_tx_queues)
total += tx_queues * IONIC_NUM_TX_STATS;
total += rx_queues * IONIC_NUM_RX_STATS;
- if (test_bit(IONIC_LIF_F_UP, lif->state) &&
- test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) {
- /* tx debug stats */
- total += tx_queues * (IONIC_NUM_DBG_CQ_STATS +
- IONIC_NUM_TX_Q_STATS +
- IONIC_NUM_DBG_INTR_STATS +
- IONIC_MAX_NUM_SG_CNTR);
-
- /* rx debug stats */
- total += rx_queues * (IONIC_NUM_DBG_CQ_STATS +
- IONIC_NUM_DBG_INTR_STATS +
- IONIC_NUM_DBG_NAPI_STATS +
- IONIC_MAX_NUM_NAPI_CNTR);
- }
-
return total;
}
for (i = 0; i < IONIC_NUM_TX_STATS; i++)
ethtool_sprintf(buf, "tx_%d_%s", q_num,
ionic_tx_stats_desc[i].name);
-
- if (!test_bit(IONIC_LIF_F_UP, lif->state) ||
- !test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
- return;
-
- for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++)
- ethtool_sprintf(buf, "txq_%d_%s", q_num,
- ionic_txq_stats_desc[i].name);
- for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++)
- ethtool_sprintf(buf, "txq_%d_cq_%s", q_num,
- ionic_dbg_cq_stats_desc[i].name);
- for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++)
- ethtool_sprintf(buf, "txq_%d_intr_%s", q_num,
- ionic_dbg_intr_stats_desc[i].name);
- for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++)
- ethtool_sprintf(buf, "txq_%d_sg_cntr_%d", q_num, i);
}
static void ionic_sw_stats_get_rx_strings(struct ionic_lif *lif, u8 **buf,
for (i = 0; i < IONIC_NUM_RX_STATS; i++)
ethtool_sprintf(buf, "rx_%d_%s", q_num,
ionic_rx_stats_desc[i].name);
-
- if (!test_bit(IONIC_LIF_F_UP, lif->state) ||
- !test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
- return;
-
- for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++)
- ethtool_sprintf(buf, "rxq_%d_cq_%s", q_num,
- ionic_dbg_cq_stats_desc[i].name);
- for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++)
- ethtool_sprintf(buf, "rxq_%d_intr_%s", q_num,
- ionic_dbg_intr_stats_desc[i].name);
- for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++)
- ethtool_sprintf(buf, "rxq_%d_napi_%s", q_num,
- ionic_dbg_napi_stats_desc[i].name);
- for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++)
- ethtool_sprintf(buf, "rxq_%d_napi_work_done_%d", q_num, i);
}
static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
int q_num)
{
struct ionic_tx_stats *txstats;
- struct ionic_qcq *txqcq;
int i;
txstats = &lif->txqstats[q_num];
**buf = IONIC_READ_STAT64(txstats, &ionic_tx_stats_desc[i]);
(*buf)++;
}
-
- if (!test_bit(IONIC_LIF_F_UP, lif->state) ||
- !test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
- return;
-
- txqcq = lif->txqcqs[q_num];
- for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) {
- **buf = IONIC_READ_STAT64(&txqcq->q,
- &ionic_txq_stats_desc[i]);
- (*buf)++;
- }
- for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
- **buf = IONIC_READ_STAT64(&txqcq->cq,
- &ionic_dbg_cq_stats_desc[i]);
- (*buf)++;
- }
- for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
- **buf = IONIC_READ_STAT64(&txqcq->intr,
- &ionic_dbg_intr_stats_desc[i]);
- (*buf)++;
- }
- for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) {
- **buf = txstats->sg_cntr[i];
- (*buf)++;
- }
}
static void ionic_sw_stats_get_rxq_values(struct ionic_lif *lif, u64 **buf,
int q_num)
{
struct ionic_rx_stats *rxstats;
- struct ionic_qcq *rxqcq;
int i;
rxstats = &lif->rxqstats[q_num];
**buf = IONIC_READ_STAT64(rxstats, &ionic_rx_stats_desc[i]);
(*buf)++;
}
-
- if (!test_bit(IONIC_LIF_F_UP, lif->state) ||
- !test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
- return;
-
- rxqcq = lif->rxqcqs[q_num];
- for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
- **buf = IONIC_READ_STAT64(&rxqcq->cq,
- &ionic_dbg_cq_stats_desc[i]);
- (*buf)++;
- }
- for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
- **buf = IONIC_READ_STAT64(&rxqcq->intr,
- &ionic_dbg_intr_stats_desc[i]);
- (*buf)++;
- }
- for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) {
- **buf = IONIC_READ_STAT64(&rxqcq->napi_stats,
- &ionic_dbg_napi_stats_desc[i]);
- (*buf)++;
- }
- for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) {
- **buf = rxqcq->napi_stats.work_done_cntr[i];
- (*buf)++;
- }
}
static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
static inline void ionic_txq_post(struct ionic_queue *q, bool ring_dbell,
ionic_desc_cb cb_func, void *cb_arg)
{
- DEBUG_STATS_TXQ_POST(q, ring_dbell);
-
ionic_q_post(q, ring_dbell, cb_func, cb_arg);
}
ionic_desc_cb cb_func, void *cb_arg)
{
ionic_q_post(q, ring_dbell, cb_func, cb_arg);
-
- DEBUG_STATS_RX_BUFF_CNT(q);
}
static inline struct netdev_queue *q_to_ndq(struct ionic_queue *q)
work_done, flags);
}
- DEBUG_STATS_NAPI_POLL(qcq, work_done);
-
return work_done;
}
work_done, flags);
}
- DEBUG_STATS_NAPI_POLL(qcq, work_done);
-
return work_done;
}
tx_work_done + rx_work_done, flags);
}
- DEBUG_STATS_NAPI_POLL(qcq, rx_work_done);
- DEBUG_STATS_NAPI_POLL(qcq, tx_work_done);
-
return rx_work_done;
}
} else if (unlikely(__netif_subqueue_stopped(q->lif->netdev, qi))) {
netif_wake_subqueue(q->lif->netdev, qi);
- q->wake++;
}
desc_info->bytes = skb->len;
if (unlikely(!ionic_q_has_space(q, ndescs))) {
netif_stop_subqueue(q->lif->netdev, q->index);
- q->stop++;
stopped = 1;
/* Might race with ionic_tx_clean, check again */
return NETDEV_TX_OK;
err_out_drop:
- q->stop++;
q->drop++;
dev_kfree_skb(skb);
return NETDEV_TX_OK;