brcmsmac: Reduce number of entries in tx DMA rings
authorSeth Forshee <seth.forshee@canonical.com>
Thu, 15 Nov 2012 14:07:58 +0000 (08:07 -0600)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 20 Nov 2012 19:05:08 +0000 (14:05 -0500)
commit75be3e24eeedbc9ec5faf3483fe9b449abec94e8
tree1b9ffd766f47a955a18f90b5e4adef6294b5e7c8
parentb05618deb4ac7c22d876acc19debb7ac63786f37
brcmsmac: Reduce number of entries in tx DMA rings

Currently up to 256 frames can be queued for each DMA ring. This is
excessive, and now that we have better flow control we can get by with
less. Experimentation has shown 64 to work well.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/brcm80211/brcmsmac/main.c