diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 18cac98ba58e..080e73496066 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2231,13 +2231,12 @@ struct bnxt { #define SFF_MODULE_ID_QSFP28 0x11 #define BNXT_MAX_PHY_I2C_RESP_SIZE 64 -static inline u32 bnxt_tx_avail(struct bnxt *bp, struct bnxt_tx_ring_info *txr) +static inline u32 bnxt_tx_avail(struct bnxt *bp, + const struct bnxt_tx_ring_info *txr) { - /* Tell compiler to fetch tx indices from memory. */ - barrier(); + u32 used = READ_ONCE(txr->tx_prod) - READ_ONCE(txr->tx_cons); - return bp->tx_ring_size - - ((txr->tx_prod - txr->tx_cons) & bp->tx_ring_mask); + return bp->tx_ring_size - (used & bp->tx_ring_mask); } static inline void bnxt_writeq(struct bnxt *bp, u64 val, |