1 files changed, 21 insertions, 52 deletions

diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 3b8d951cf73c..f6dcf180ae3d 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -208,7 +208,10 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_DMA_RX_VALUE         0x80000000
 #define SPIDER_NET_DMA_RX_FEND_VALUE    0x00030003
 /* to set TX_DMA_EN */
-#define SPIDER_NET_DMA_TX_VALUE         0x80000000
+#define SPIDER_NET_TX_DMA_EN            0x80000000
+#define SPIDER_NET_GDTDCEIDIS           0x00000002
+#define SPIDER_NET_DMA_TX_VALUE         SPIDER_NET_TX_DMA_EN | \
+                                        SPIDER_NET_GDTDCEIDIS
 #define SPIDER_NET_DMA_TX_FEND_VALUE    0x00030003
 
 /* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
@@ -329,55 +332,23 @@ enum spider_net_int2_status {
                                   (~SPIDER_NET_TXINT) & \
                                   (~SPIDER_NET_RXINT) )
 
-#define SPIDER_NET_GPREXEC              0x80000000
-#define SPIDER_NET_GPRDAT_MASK          0x0000ffff
+#define SPIDER_NET_GPREXEC                      0x80000000
+#define SPIDER_NET_GPRDAT_MASK                  0x0000ffff
 
-/* descriptor bits
- *
- * 1010                                 descriptor ready
- *     0                                descr in middle of chain
- *      000                             fixed to 0
- *
- *         0                            no interrupt on completion
- *          000                         fixed to 0
- *             1                        no ipsec processing
- *              1                       last descriptor for this frame
- *               00                     no checksum
- *               10                     tcp checksum
- *               11                     udp checksum
- *
- *                 00                   fixed to 0
- *                   0                  fixed to 0
- *                    0                 no interrupt on response errors
- *                     0                no interrupt on invalid descr
- *                      0               no interrupt on dma process termination
- *                       0              no interrupt on descr chain end
- *                        0             no interrupt on descr complete
- *
- *                         000          fixed to 0
- *                            0         response error interrupt status
- *                             0        invalid descr status
- *                              0       dma termination status
- *                               0      descr chain end status
- *                                0     descr complete status */
-#define SPIDER_NET_DMAC_CMDSTAT_NOCS    0xa00c0000
-#define SPIDER_NET_DMAC_CMDSTAT_TCPCS   0xa00e0000
-#define SPIDER_NET_DMAC_CMDSTAT_UDPCS   0xa00f0000
-#define SPIDER_NET_DESCR_IND_PROC_SHIFT 28
-#define SPIDER_NET_DESCR_IND_PROC_MASKO 0x0fffffff
-
-/* descr ready, descr is in middle of chain, get interrupt on completion */
-#define SPIDER_NET_DMAC_RX_CARDOWNED    0xa0800000
-
-enum spider_net_descr_status {
-        SPIDER_NET_DESCR_COMPLETE               = 0x00, /* used in rx and tx */
-        SPIDER_NET_DESCR_RESPONSE_ERROR         = 0x01, /* used in rx and tx */
-        SPIDER_NET_DESCR_PROTECTION_ERROR       = 0x02, /* used in rx and tx */
-        SPIDER_NET_DESCR_FRAME_END              = 0x04, /* used in rx */
-        SPIDER_NET_DESCR_FORCE_END              = 0x05, /* used in rx and tx */
-        SPIDER_NET_DESCR_CARDOWNED              = 0x0a, /* used in rx and tx */
-        SPIDER_NET_DESCR_NOT_IN_USE /* any other value */
-};
+#define SPIDER_NET_DMAC_NOINTR_COMPLETE         0x00800000
+#define SPIDER_NET_DMAC_NOCS                    0x00040000
+#define SPIDER_NET_DMAC_TCP                     0x00020000
+#define SPIDER_NET_DMAC_UDP                     0x00030000
+#define SPIDER_NET_TXDCEST                      0x08000000
+
+#define SPIDER_NET_DESCR_IND_PROC_MASK          0xF0000000
+#define SPIDER_NET_DESCR_COMPLETE               0x00000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_RESPONSE_ERROR         0x10000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_PROTECTION_ERROR       0x20000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_FRAME_END              0x40000000 /* used in rx */
+#define SPIDER_NET_DESCR_FORCE_END              0x50000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_CARDOWNED              0xA0000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_NOT_IN_USE             0xF0000000
 
 struct spider_net_descr {
         /* as defined by the hardware */
@@ -398,7 +369,7 @@ struct spider_net_descr {
 } __attribute__((aligned(32)));
 
 struct spider_net_descr_chain {
-        /* we walk from tail to head */
+        spinlock_t lock;
         struct spider_net_descr *head;
         struct spider_net_descr *tail;
 };
@@ -453,8 +424,6 @@ struct spider_net_card {
 
         struct spider_net_descr_chain tx_chain;
         struct spider_net_descr_chain rx_chain;
-        atomic_t rx_chain_refill;
-        atomic_t tx_chain_release;
 
         struct net_device_stats netdev_stats;