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From: greearb@candelatech.com
To: linux-wireless@vger.kernel.org
Cc: ath9k-devel@venema.h4ckr.net,
	Ben Greear <greearb@candelatech.com>,
	Eric Dumazet <eric.dumazet@gmail.com>
Subject: [PATCH 1/3] ath9k: Decrease skb size to fit into one page.
Date: Thu,  6 Jan 2011 16:46:03 -0800	[thread overview]
Message-ID: <1294361165-15308-1-git-send-email-greearb@candelatech.com> (raw)

From: Ben Greear <greearb@candelatech.com>

Patch is from Eric Dumazet, as described here:
https://patchwork.kernel.org/patch/104271/

Reported-by: Michael Guntsche <mike@it-loops.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Ben Greear <greearb@candelatech.com>
---

NOTE:  This needs review by ath9k and/or other informed
people.

:100644 100644 b2497b8... 270661d... M	drivers/net/wireless/ath/ath9k/recv.c
 drivers/net/wireless/ath/ath9k/recv.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index b2497b8..270661d 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -230,11 +230,11 @@ static int ath_rx_edma_init(struct ath_softc *sc, int nbufs)
 	int error = 0, i;
 	u32 size;
 
-
-	common->rx_bufsize = roundup(IEEE80211_MAX_MPDU_LEN +
-				     ah->caps.rx_status_len,
-				     min(common->cachelsz, (u16)64));
-
+	size = roundup(IEEE80211_MAX_MPDU_LEN + ah->caps.rx_status_len,
+		       min(common->cachelsz, (u16)64));
+	common->rx_bufsize = max_t(u32, size,
+				   SKB_MAX_ORDER(NET_SKB_PAD
+						 + common->cachelsz, 0));
 	ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize -
 				    ah->caps.rx_status_len);
 
-- 
1.7.2.3


             reply	other threads:[~2011-01-07  0:46 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-07  0:46 greearb [this message]
2011-01-07  0:46 ` [PATCH 2/3] ath9k: Re-start xmit logic in xmit watchdog timer greearb
2011-01-07  6:51   ` Vasanthakumar Thiagarajan
2011-01-07  7:16     ` Ben Greear
2011-01-07 15:11     ` [ath9k-devel] " Peter Stuge
2011-01-07 15:19       ` Ben Greear
2011-01-07 15:20       ` Vasanthakumar Thiagarajan
2011-01-07  0:46 ` [PATCH 3/3] ath9k: Keep track of stations for debugfs greearb
2011-01-07  2:30   ` [ath9k-devel] " Luis R. Rodriguez
2011-01-07  2:45     ` Ben Greear
2011-01-07  2:49       ` Luis R. Rodriguez
2011-01-07  3:17         ` Ben Greear
2011-01-07 15:36           ` Peter Stuge
2011-01-07 15:52             ` Ben Greear
2011-01-07 20:01             ` Luis R. Rodriguez
2011-01-07 20:25               ` Luis R. Rodriguez
2011-01-07 20:30                 ` Luis R. Rodriguez
2011-01-07 19:46           ` Luis R. Rodriguez
2011-01-07  2:45   ` Felix Fietkau
2011-01-07  2:48     ` Ben Greear
2011-01-07  0:57 ` [ath9k-devel] [PATCH 1/3] ath9k: Decrease skb size to fit into one page Luis R. Rodriguez
2011-01-07  1:03   ` Ben Greear
2011-01-07  1:04 ` Christian Lamparter
2011-01-07  1:23   ` Eric Dumazet
2011-01-07  1:57     ` Luis R. Rodriguez
2011-01-07  2:07       ` Eric Dumazet
2011-01-07  2:13         ` Luis R. Rodriguez
2011-01-07  2:24           ` Eric Dumazet
2011-01-07  2:33             ` Eric Dumazet
2011-01-07 10:58 ` Johannes Berg
2011-01-07 18:34   ` Ben Greear
2011-01-07 20:09     ` [ath9k-devel] " Luis R. Rodriguez
2011-01-07 20:26       ` Eric Dumazet
2011-01-07 22:20         ` Ben Greear
2011-01-07 22:26           ` Eric Dumazet
2011-01-07 22:46             ` Ben Greear
2011-01-09  9:34               ` Johannes Berg

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