diff options
| author | Shannon Nelson <snelson@pensando.io> | 2020-08-28 02:00:26 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-28 18:01:30 +0300 |
| commit | f1d2e894f1b77decfdae72fa41c24ddd2ecd33bc (patch) | |
| tree | 0b14aa8e2a2809e24396a64b6ace27729e6b9214 /drivers/net/ethernet/pensando/ionic/ionic_lif.h | |
| parent | ea5a8b09dc3a6ce14cd3ea1a7f8ea8aea6fc92ec (diff) | |
| download | linux-f1d2e894f1b77decfdae72fa41c24ddd2ecd33bc.tar.xz | |
ionic: use index not pointer for queue tracking
Use index counters rather than pointers for tracking head
and tail in the queues to save a little memory and to perhaps
slightly faster queue processing.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.h')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index aa7c1a8cbefc..b8f774b1db3a 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -244,14 +244,15 @@ int ionic_lif_rss_config(struct ionic_lif *lif, u16 types, int ionic_reset_queues(struct ionic_lif *lif, ionic_reset_cb cb, void *arg); -static inline void debug_stats_txq_post(struct ionic_queue *q, - struct ionic_txq_desc *desc, bool dbell) +static inline void debug_stats_txq_post(struct ionic_queue *q, bool dbell) { - u8 num_sg_elems = ((le64_to_cpu(desc->cmd) >> IONIC_TXQ_DESC_NSGE_SHIFT) - & IONIC_TXQ_DESC_NSGE_MASK); + 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; @@ -272,8 +273,7 @@ static inline void debug_stats_napi_poll(struct ionic_qcq *qcq, #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_INTR_REARM(intr) ((intr)->rearm_count++) -#define DEBUG_STATS_TXQ_POST(q, txdesc, dbell) \ - debug_stats_txq_post(q, txdesc, dbell) +#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) |