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yaml --- r: 23169 b: refs/heads/master c: 29b1217 h: refs/heads/master i: 23167: 03c9085 v: v3
git-mirror · Mar 23, 2006 · 3f0e09f · 3f0e09f
1 parent ff93951
commit 3f0e09f
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Showing 3 changed files with 14 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f2a4f05216e95f3b8c06b858abc0fe9a77500816
+refs/heads/master: 29b12174ac14f110225d6d9ebb66c30df5023baf
diff --git a/trunk/drivers/net/bnx2.c b/trunk/drivers/net/bnx2.c
@@ -48,6 +48,7 @@
 #include <linux/workqueue.h>
 #include <linux/crc32.h>
 #include <linux/prefetch.h>
+#include <linux/cache.h>
 
 #include "bnx2.h"
 #include "bnx2_fw.h"

diff --git a/trunk/drivers/net/bnx2.h b/trunk/drivers/net/bnx2.h
@@ -3877,15 +3877,17 @@ struct bnx2 {
 #define USING_MSI_FLAG			0x20
 #define ASF_ENABLE_FLAG			0x40
 
-	struct tx_bd		*tx_desc_ring;
-	struct sw_bd		*tx_buf_ring;
-	u32			tx_prod_bseq;
-	u16			tx_prod;
-	u16			tx_cons;
-	int			tx_ring_size;
-
-	u16			hw_tx_cons;
-	u16			hw_rx_cons;
+	/* Put tx producer and consumer fields in separate cache lines. */
+
+	u32		tx_prod_bseq __attribute__((aligned(L1_CACHE_BYTES)));
+	u16		tx_prod;
+
+	struct tx_bd	*tx_desc_ring;
+	struct sw_bd	*tx_buf_ring;
+	int		tx_ring_size;
+
+	u16		tx_cons __attribute__((aligned(L1_CACHE_BYTES)));
+	u16		hw_tx_cons;
 
 #ifdef BCM_VLAN 
 	struct			vlan_group *vlgrp;
@@ -3899,6 +3901,7 @@ struct bnx2 {
 	u32			rx_prod_bseq;
 	u16			rx_prod;
 	u16			rx_cons;
+	u16			hw_rx_cons;
 
 	u32			rx_csum;