1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Fri, 17 Oct 2014 07:40:20 +0530
Subject: [PATCH] ath9k: Fix address management
Since both the arguments need to satisfy
the alignment requirements of ether_addr_copy(),
use memcpy() in cases where there will be no
big performance benefit and make sure that
ether_addr_copy() calls use properly aligned
arguments.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -147,7 +147,7 @@ struct ath_common {
u16 cachelsz;
u16 curaid;
u8 macaddr[ETH_ALEN];
- u8 curbssid[ETH_ALEN];
+ u8 curbssid[ETH_ALEN] __aligned(2);
u8 bssidmask[ETH_ALEN];
u32 rx_bufsize;
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -595,7 +595,7 @@ struct ath_vif {
u16 seq_no;
/* BSS info */
- u8 bssid[ETH_ALEN];
+ u8 bssid[ETH_ALEN] __aligned(2);
u16 aid;
bool assoc;
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1057,7 +1057,7 @@ static void ath9k_set_offchannel_state(s
eth_zero_addr(common->curbssid);
eth_broadcast_addr(common->bssidmask);
- ether_addr_copy(common->macaddr, vif->addr);
+ memcpy(common->macaddr, vif->addr, ETH_ALEN);
common->curaid = 0;
ah->opmode = vif->type;
ah->imask &= ~ATH9K_INT_SWBA;
@@ -1098,7 +1098,7 @@ void ath9k_calculate_summary_state(struc
ath9k_calculate_iter_data(sc, ctx, &iter_data);
if (iter_data.has_hw_macaddr)
- ether_addr_copy(common->macaddr, iter_data.hw_macaddr);
+ memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN);
memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
ath_hw_setbssidmask(common);
@@ -1785,7 +1785,7 @@ static void ath9k_bss_info_changed(struc
ath_dbg(common, CONFIG, "BSSID %pM Changed ASSOC %d\n",
bss_conf->bssid, bss_conf->assoc);
- ether_addr_copy(avp->bssid, bss_conf->bssid);
+ memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
avp->aid = bss_conf->aid;
avp->assoc = bss_conf->assoc;
|
