diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ldpaa_eth/ldpaa_eth.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c index 82c0ce7..cc949f5 100644 --- a/drivers/net/ldpaa_eth/ldpaa_eth.c +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c @@ -77,7 +77,9 @@ static int ldpaa_eth_pull_dequeue_rx(struct eth_device *dev) struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv; const struct ldpaa_dq *dq; const struct dpaa_fd *fd; - int i = 5, err = 0, status, loop = 20; + int i = 5, err = 0, status; + u32 timeo = (CONFIG_SYS_HZ * 2) / 1000; + u32 time_start; static struct qbman_pull_desc pulldesc; struct qbman_swp *swp = dflt_dpio->sw_portal; @@ -92,13 +94,11 @@ static int ldpaa_eth_pull_dequeue_rx(struct eth_device *dev) continue; } - do { - loop--; - dq = qbman_swp_dqrr_next(swp); + time_start = get_timer(0); - if (!loop) - break; - } while (!dq); + do { + dq = qbman_swp_dqrr_next(swp); + } while (get_timer(time_start) < timeo && !dq); if (dq) { /* Check for valid frame. If not sent a consume @@ -121,6 +121,10 @@ static int ldpaa_eth_pull_dequeue_rx(struct eth_device *dev) ldpaa_eth_rx(priv, fd); qbman_swp_dqrr_consume(swp, dq); break; + } else { + err = -ENODATA; + debug("No DQRR entries\n"); + break; } } @@ -167,7 +171,9 @@ static int ldpaa_eth_pull_dequeue_tx_conf(struct ldpaa_eth_priv *priv) const struct ldpaa_dq *dq; const struct dpaa_fd *fd; int err = 0; - int i = 5, status, loop = 20; + int i = 5, status; + u32 timeo = (CONFIG_SYS_HZ * 10) / 1000; + u32 time_start; static struct qbman_pull_desc pulldesc; struct qbman_swp *swp = dflt_dpio->sw_portal; @@ -182,13 +188,11 @@ static int ldpaa_eth_pull_dequeue_tx_conf(struct ldpaa_eth_priv *priv) continue; } - do { - loop--; - dq = qbman_swp_dqrr_next(swp); + time_start = get_timer(0); - if (!loop) - break; - } while (!dq); + do { + dq = qbman_swp_dqrr_next(swp); + } while (get_timer(time_start) < timeo && !dq); if (dq) { /* Check for valid frame. If not sent a consume @@ -209,6 +213,10 @@ static int ldpaa_eth_pull_dequeue_tx_conf(struct ldpaa_eth_priv *priv) ldpaa_eth_tx_conf(priv, fd); qbman_swp_dqrr_consume(swp, dq); break; + } else { + err = -ENODATA; + debug("No DQRR entries\n"); + break; } } |