From: Bruno Randolf <br1@einfach.org>
To: linville@tuxdriver.com
Cc: ath5k-devel@lists.ath5k.org, linux-wireless@vger.kernel.org
Subject: [PATCH 1/2] ath5k: Optimize descriptor alignment
Date: Tue, 19 Oct 2010 16:56:48 +0900 [thread overview]
Message-ID: <20101019075648.19979.42181.stgit@localhost6.localdomain6> (raw)
Similar to Felix Fietkau <nbd@openwrt.org> "ath9k_hw: optimize all descriptor
access functions" (13db2a80244908833502189a24de82a856668b8a).
Signed-off-by: Bruno Randolf <br1@einfach.org>
---
drivers/net/wireless/ath/ath5k/desc.h | 18 +++++++++---------
1 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/desc.h b/drivers/net/wireless/ath/ath5k/desc.h
index b2adb2a..2509d0b 100644
--- a/drivers/net/wireless/ath/ath5k/desc.h
+++ b/drivers/net/wireless/ath/ath5k/desc.h
@@ -26,7 +26,7 @@
struct ath5k_hw_rx_ctl {
u32 rx_control_0; /* RX control word 0 */
u32 rx_control_1; /* RX control word 1 */
-} __packed;
+} __packed __aligned(4);
/* RX control word 1 fields/flags */
#define AR5K_DESC_RX_CTL1_BUF_LEN 0x00000fff /* data buffer length */
@@ -39,7 +39,7 @@ struct ath5k_hw_rx_ctl {
struct ath5k_hw_rx_status {
u32 rx_status_0; /* RX status word 0 */
u32 rx_status_1; /* RX status word 1 */
-} __packed;
+} __packed __aligned(4);
/* 5210/5211 */
/* RX status word 0 fields/flags */
@@ -129,7 +129,7 @@ enum ath5k_phy_error_code {
struct ath5k_hw_2w_tx_ctl {
u32 tx_control_0; /* TX control word 0 */
u32 tx_control_1; /* TX control word 1 */
-} __packed;
+} __packed __aligned(4);
/* TX control word 0 fields/flags */
#define AR5K_2W_TX_DESC_CTL0_FRAME_LEN 0x00000fff /* frame length */
@@ -185,7 +185,7 @@ struct ath5k_hw_4w_tx_ctl {
u32 tx_control_1; /* TX control word 1 */
u32 tx_control_2; /* TX control word 2 */
u32 tx_control_3; /* TX control word 3 */
-} __packed;
+} __packed __aligned(4);
/* TX control word 0 fields/flags */
#define AR5K_4W_TX_DESC_CTL0_FRAME_LEN 0x00000fff /* frame length */
@@ -244,7 +244,7 @@ struct ath5k_hw_4w_tx_ctl {
struct ath5k_hw_tx_status {
u32 tx_status_0; /* TX status word 0 */
u32 tx_status_1; /* TX status word 1 */
-} __packed;
+} __packed __aligned(4);
/* TX status word 0 fields/flags */
#define AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK 0x00000001 /* TX success */
@@ -282,7 +282,7 @@ struct ath5k_hw_tx_status {
struct ath5k_hw_5210_tx_desc {
struct ath5k_hw_2w_tx_ctl tx_ctl;
struct ath5k_hw_tx_status tx_stat;
-} __packed;
+} __packed __aligned(4);
/*
* 5212 hardware TX descriptor
@@ -290,7 +290,7 @@ struct ath5k_hw_5210_tx_desc {
struct ath5k_hw_5212_tx_desc {
struct ath5k_hw_4w_tx_ctl tx_ctl;
struct ath5k_hw_tx_status tx_stat;
-} __packed;
+} __packed __aligned(4);
/*
* Common hardware RX descriptor
@@ -298,7 +298,7 @@ struct ath5k_hw_5212_tx_desc {
struct ath5k_hw_all_rx_desc {
struct ath5k_hw_rx_ctl rx_ctl;
struct ath5k_hw_rx_status rx_stat;
-} __packed;
+} __packed __aligned(4);
/*
* Atheros hardware DMA descriptor
@@ -313,7 +313,7 @@ struct ath5k_desc {
struct ath5k_hw_5212_tx_desc ds_tx5212;
struct ath5k_hw_all_rx_desc ds_rx;
} ud;
-} __packed;
+} __packed __aligned(4);
#define AR5K_RXDESC_INTREQ 0x0020
next reply other threads:[~2010-10-19 7:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-19 7:56 Bruno Randolf [this message]
2010-10-19 7:56 ` [PATCH 2/2] ath5k: Add channel time to survey data Bruno Randolf
2010-11-19 12:28 ` Jonathan Guerin
2010-12-16 7:23 ` Bruno Randolf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20101019075648.19979.42181.stgit@localhost6.localdomain6 \
--to=br1@einfach.org \
--cc=ath5k-devel@lists.ath5k.org \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.