diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 183235d46ae..ab846ec6520 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2898,13 +2898,13 @@ static void igb_set_itr(struct igb_adapter *adapter) switch (current_itr) { /* counts and packets in update_itr are dependent on these numbers */ case lowest_latency: - new_itr = 70000; + new_itr = 56; /* aka 70,000 ints/sec */ break; case low_latency: - new_itr = 20000; /* aka hwitr = ~200 */ + new_itr = 196; /* aka 20,000 ints/sec */ break; case bulk_latency: - new_itr = 4000; + new_itr = 980; /* aka 4,000 ints/sec */ break; default: break; @@ -2923,7 +2923,8 @@ set_itr_now: * by adding intermediate steps when interrupt rate is * increasing */ new_itr = new_itr > adapter->itr ? - min(adapter->itr + (new_itr >> 2), new_itr) : + max((new_itr * adapter->itr) / + (new_itr + (adapter->itr >> 2)), new_itr) : new_itr; /* Don't write the value here; it resets the adapter's * internal timer, and causes us to delay far longer than @@ -2932,7 +2933,7 @@ set_itr_now: * ends up being correct. */ adapter->itr = new_itr; - adapter->rx_ring->itr_val = 1000000000 / (new_itr * 256); + adapter->rx_ring->itr_val = new_itr; adapter->rx_ring->set_itr = 1; } |