svn commit: r223482 - head/sys/dev/e1000

Jack F Vogel jfv at FreeBSD.org
Thu Jun 23 17:42:27 UTC 2011


Author: jfv
Date: Thu Jun 23 17:42:27 2011
New Revision: 223482
URL: http://svn.freebsd.org/changeset/base/223482

Log:
  Put back the global for rx processing due to popular demand.

Modified:
  head/sys/dev/e1000/if_igb.c

Modified: head/sys/dev/e1000/if_igb.c
==============================================================================
--- head/sys/dev/e1000/if_igb.c	Thu Jun 23 17:30:34 2011	(r223481)
+++ head/sys/dev/e1000/if_igb.c	Thu Jun 23 17:42:27 2011	(r223482)
@@ -346,6 +346,10 @@ TUNABLE_INT("hw.igb.hdr_split", &igb_hea
 static int igb_num_queues = 0;
 TUNABLE_INT("hw.igb.num_queues", &igb_num_queues);
 
+/* How many packets rxeof tries to clean at a time */
+static int igb_rx_process_limit = 100;
+TUNABLE_INT("hw.igb.rx_process_limit", &igb_rx_process_limit);
+
 /*********************************************************************
  *  Device identification routine
  *
@@ -465,7 +469,7 @@ igb_attach(device_t dev)
 	/* Sysctl for limiting the amount of work done in the taskqueue */
 	igb_set_sysctl_value(adapter, "rx_processing_limit",
 	    "max number of rx packets to process",
-	    &adapter->rx_process_limit, 100);
+	    &adapter->rx_process_limit, igb_rx_process_limit);
 
 	/*
 	 * Validate number of transmit and receive descriptors. It


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