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authorRon Mercer <ron.mercer@qlogic.com>2010-01-02 10:37:42 +0000
committerDavid S. Miller <davem@davemloft.net>2010-01-06 20:30:33 -0800
commit572c526fb19a9a24098de814ab0601c1ce1bac82 (patch)
tree3fa7cad3dc93b5e67bae94e5ba1427b878bdfa5e /drivers/net/qlge/qlge.h
parentc36531b9b2e00d9715c3a0f5788ac5311435e078 (diff)
qlge: Turn on RX header split based on platform.
Using 4-byte aligned headers is problematic for some architectures. Since qlge uses 4-byte aligned rx buffers we split headers for these architectures into a separate buffer and then recopy to align on 2-byte boundary. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/qlge/qlge.h')
-rw-r--r--drivers/net/qlge/qlge.h19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 862c1aaf386..ee0e2bd4842 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -54,12 +54,8 @@
#define RX_RING_SHADOW_SPACE (sizeof(u64) + \
MAX_DB_PAGES_PER_BQ(NUM_SMALL_BUFFERS) * sizeof(u64) + \
MAX_DB_PAGES_PER_BQ(NUM_LARGE_BUFFERS) * sizeof(u64))
-#define SMALL_BUFFER_SIZE 512
-#define SMALL_BUF_MAP_SIZE (SMALL_BUFFER_SIZE / 2)
#define LARGE_BUFFER_MAX_SIZE 8192
#define LARGE_BUFFER_MIN_SIZE 2048
-#define MAX_SPLIT_SIZE 1023
-#define QLGE_SB_PAD 32
#define MAX_CQ 128
#define DFLT_COALESCE_WAIT 100 /* 100 usec wait for coalescing */
@@ -737,6 +733,21 @@ enum {
PRB_MX_DATA = 0xfc, /* Use semaphore */
};
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+#define SMALL_BUFFER_SIZE 256
+#define SMALL_BUF_MAP_SIZE SMALL_BUFFER_SIZE
+#define SPLT_SETTING FSC_DBRST_1024
+#define SPLT_LEN 0
+#define QLGE_SB_PAD 0
+#else
+#define SMALL_BUFFER_SIZE 512
+#define SMALL_BUF_MAP_SIZE (SMALL_BUFFER_SIZE / 2)
+#define SPLT_SETTING FSC_SH
+#define SPLT_LEN (SPLT_HDR_EP | \
+ min(SMALL_BUF_MAP_SIZE, 1023))
+#define QLGE_SB_PAD 32
+#endif
+
/*
* CAM output format.
*/