svn commit: r220033 - head/sys/dev/ath
Adrian Chadd
adrian at FreeBSD.org
Sat Mar 26 11:58:29 UTC 2011
Author: adrian
Date: Sat Mar 26 11:58:29 2011
New Revision: 220033
URL: http://svn.freebsd.org/changeset/base/220033
Log:
If 802.11n is enabled, bump the number of buffers used up to a larger
level.
This is important for AMPDU RX as each burst is multiple packets in a row.
Modified:
head/sys/dev/ath/if_athvar.h
Modified: head/sys/dev/ath/if_athvar.h
==============================================================================
--- head/sys/dev/ath/if_athvar.h Sat Mar 26 11:25:36 2011 (r220032)
+++ head/sys/dev/ath/if_athvar.h Sat Mar 26 11:58:29 2011 (r220033)
@@ -43,6 +43,14 @@
#define ATH_TIMEOUT 1000
+/*
+ * 802.11n requires more TX and RX buffers to do AMPDU.
+ */
+#ifdef AH_ENABLE_11N
+#define ATH_TXBUF 512
+#define ATH_RXBUF 512
+#endif
+
#ifndef ATH_RXBUF
#define ATH_RXBUF 40 /* number of RX buffers */
#endif
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