diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 15424bad5694..17974121912d 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -621,15 +621,16 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) struct e1000_buffer *buffer_info; unsigned int i, eop; unsigned int count = 0; - bool cleaned = 0; + bool cleaned; unsigned int total_tx_bytes = 0, total_tx_packets = 0; i = tx_ring->next_to_clean; eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); - while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) { - for (cleaned = 0; !cleaned; ) { + while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && + (count < tx_ring->count)) { + for (cleaned = 0; !cleaned; count++) { tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; cleaned = (i == eop); @@ -655,10 +656,6 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); -#define E1000_TX_WEIGHT 64 - /* weight of a sort for tx, to avoid endless transmit cleanup */ - if (count++ == E1000_TX_WEIGHT) - break; } tx_ring->next_to_clean = i; @@ -682,8 +679,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) /* Detect a transmit hang in hardware, this serializes the * check with the clearing of time_stamp and movement of i */ adapter->detect_tx_hung = 0; - if (tx_ring->buffer_info[eop].time_stamp && - time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + if (tx_ring->buffer_info[i].time_stamp && + time_after(jiffies, tx_ring->buffer_info[i].time_stamp + (adapter->tx_timeout_factor * HZ)) && !(er32(STATUS) & E1000_STATUS_TXOFF)) { e1000_print_tx_hang(adapter); @@ -694,7 +691,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) adapter->total_tx_packets += total_tx_packets; adapter->net_stats.tx_bytes += total_tx_bytes; adapter->net_stats.tx_packets += total_tx_packets; - return cleaned; + return (count < tx_ring->count); } /** @@ -2010,7 +2007,7 @@ static int e1000_clean(struct napi_struct *napi, int budget) clean_rx: adapter->clean_rx(adapter, &work_done, budget); - if (tx_cleaned) + if (!tx_cleaned) work_done = budget; /* If budget not fully consumed, exit the polling mode */ |
