mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

mac80211: change ieee80211_rx_reorder_ready() arguments 

Clean up ieee80211_rx_reorder_ready() callers by passing the RX
TID struct and the index, instead of the frames list. This will
make it more extensible as well.

While at it, move the inline to rx.c as it's only used there.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2016-01-28 16:19:24 +02:00
parent f2ac7e301a
commit fb4ea05485
2 changed files with 24 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
net/mac80211/ieee80211_i.h
View File

@ -1838,20 +1838,6 @@ static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
}
static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head *frames)
{
struct sk_buff *tail = skb_peek_tail(frames);
struct ieee80211_rx_status *status;
if (!tail)
return false;
status = IEEE80211_SKB_RXCB(tail);
if (status->flag & RX_FLAG_AMSDU_MORE)
return false;
return true;
}
extern const int ieee802_1d_to_ac[8];

33
net/mac80211/rx.c
View File

@ -4,6 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -798,6 +799,23 @@ static ieee80211_rx_result ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
return RX_CONTINUE;
}
static inline bool ieee80211_rx_reorder_ready(struct tid_ampdu_rx *tid_agg_rx,
int index)
{
struct sk_buff_head *frames = &tid_agg_rx->reorder_buf[index];
struct sk_buff *tail = skb_peek_tail(frames);
struct ieee80211_rx_status *status;
if (!tail)
return false;
status = IEEE80211_SKB_RXCB(tail);
if (status->flag & RX_FLAG_AMSDU_MORE)
return false;
return true;
}
static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
int index,
@ -812,7 +830,7 @@ static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata,
if (skb_queue_empty(skb_list))
goto no_frame;
if (!ieee80211_rx_reorder_ready(skb_list)) {
if (!ieee80211_rx_reorder_ready(tid_agg_rx, index)) {
__skb_queue_purge(skb_list);
goto no_frame;
}
@ -866,7 +884,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
/* release the buffer until next missing frame */
index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;
if (!ieee80211_rx_reorder_ready(&tid_agg_rx->reorder_buf[index]) &&
if (!ieee80211_rx_reorder_ready(tid_agg_rx, index) &&
tid_agg_rx->stored_mpdu_num) {
/*
* No buffers ready to be released, but check whether any
@ -875,8 +893,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
int skipped = 1;
for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
j = (j + 1) % tid_agg_rx->buf_size) {
if (!ieee80211_rx_reorder_ready(
&tid_agg_rx->reorder_buf[j])) {
if (!ieee80211_rx_reorder_ready(tid_agg_rx, j)) {
skipped++;
continue;
}
@ -903,8 +920,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
skipped) & IEEE80211_SN_MASK;
skipped = 0;
}
} else while (ieee80211_rx_reorder_ready(
&tid_agg_rx->reorder_buf[index])) {
} else while (ieee80211_rx_reorder_ready(tid_agg_rx, index)) {
ieee80211_release_reorder_frame(sdata, tid_agg_rx, index,
frames);
index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;
@ -915,8 +931,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
for (; j != (index - 1) % tid_agg_rx->buf_size;
j = (j + 1) % tid_agg_rx->buf_size) {
if (ieee80211_rx_reorder_ready(
&tid_agg_rx->reorder_buf[j]))
if (ieee80211_rx_reorder_ready(tid_agg_rx, j))
break;
}
@ -987,7 +1002,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata
index = mpdu_seq_num % tid_agg_rx->buf_size;
/* check if we already stored this frame */
if (ieee80211_rx_reorder_ready(&tid_agg_rx->reorder_buf[index])) {
if (ieee80211_rx_reorder_ready(tid_agg_rx, index)) {
dev_kfree_skb(skb);
goto out;
}