mwifiex: replace ra_list_curr by list rotation.
authorAndreas Fenkart <[andreas.fenkart@streamunlimited.com]>
Thu, 18 Apr 2013 23:33:45 +0000 (16:33 -0700)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 23 Apr 2013 19:18:40 +0000 (15:18 -0400)
commit2e23731954d3641a418455e8e0c37c9b8aa7f567
tree661b631bebb8b89c6d8d207e3d5f722fe31a4ce9
parent1aac1e91171586e4d0981e40484a7c93d9b1f289
mwifiex: replace ra_list_curr by list rotation.

After a packet is successfully transmitted, ra list is rotated, so the ra
next to the one transmitted, will be the first in the list. This way we
pick the ra' in a round robin fashion. This significantly simplifies
iteration in  mwifiex_wmm_get_highest_priolist_ptr to a call to
list_for_each_entry.
List rotation is done via list_move, where the head itself is temporarily
removed and then re-inserted after the item just transferred.

Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/mwifiex/11n_aggr.c
drivers/net/wireless/mwifiex/main.h
drivers/net/wireless/mwifiex/wmm.c
drivers/net/wireless/mwifiex/wmm.h