tg3: Use ext rx bds
Matt Carlson [Fri, 28 Aug 2009 14:00:55 +0000 (14:00 +0000)]
The 5717 only uses extended buffer descriptors for the jumbo producer
ring.  Extended buffer descriptors are available on all devices that
support a separate jumbo producer ring so make the change universal.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/tg3.c
drivers/net/tg3.h

index 053d4e8..3725ac8 100644 (file)
 
 #define TG3_RX_RING_BYTES      (sizeof(struct tg3_rx_buffer_desc) * \
                                 TG3_RX_RING_SIZE)
-#define TG3_RX_JUMBO_RING_BYTES        (sizeof(struct tg3_rx_buffer_desc) * \
-                                TG3_RX_JUMBO_RING_SIZE)
+#define TG3_RX_JUMBO_RING_BYTES        (sizeof(struct tg3_ext_rx_buffer_desc) * \
+                                TG3_RX_JUMBO_RING_SIZE)
 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
-                                  TG3_RX_RCB_RING_SIZE(tp))
+                                TG3_RX_RCB_RING_SIZE(tp))
 #define TG3_TX_RING_BYTES      (sizeof(struct tg3_tx_buffer_desc) * \
                                 TG3_TX_RING_SIZE)
 #define NEXT_TX(N)             (((N) + 1) & (TG3_TX_RING_SIZE - 1))
@@ -4367,7 +4367,7 @@ static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
 
        case RXD_OPAQUE_RING_JUMBO:
                dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
-               desc = &tpr->rx_jmb[dest_idx];
+               desc = &tpr->rx_jmb[dest_idx].std;
                map = &tpr->rx_jmb_buffers[dest_idx];
                if (src_idx >= 0)
                        src_map = &tpr->rx_jmb_buffers[src_idx];
@@ -4428,9 +4428,9 @@ static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
 
        case RXD_OPAQUE_RING_JUMBO:
                dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
-               dest_desc = &tpr->rx_jmb[dest_idx];
+               dest_desc = &tpr->rx_jmb[dest_idx].std;
                dest_map = &tpr->rx_jmb_buffers[dest_idx];
-               src_desc = &tpr->rx_jmb[src_idx];
+               src_desc = &tpr->rx_jmb[src_idx].std;
                src_map = &tpr->rx_jmb_buffers[src_idx];
                break;
 
@@ -5614,7 +5614,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
                for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
                        struct tg3_rx_buffer_desc *rxd;
 
-                       rxd = &tpr->rx_jmb[i];
+                       rxd = &tpr->rx_jmb[i].std;
                        rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
                        rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
                                RXD_FLAG_JUMBO;
@@ -7053,7 +7053,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
                        tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
                             ((u64) tpr->rx_jmb_mapping & 0xffffffff));
                        tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
-                            RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
+                            (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
+                            BDINFO_FLAGS_USE_EXT_RECV);
                        tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
                             NIC_SRAM_RX_JUMBO_BUFFER_DESC);
                } else {
index 7a27cff..982171f 100644 (file)
@@ -2480,7 +2480,7 @@ struct tg3_rx_prodring_set {
        u32                             rx_std_ptr;
        u32                             rx_jmb_ptr;
        struct tg3_rx_buffer_desc       *rx_std;
-       struct tg3_rx_buffer_desc       *rx_jmb;
+       struct tg3_ext_rx_buffer_desc   *rx_jmb;
        struct ring_info                *rx_std_buffers;
        struct ring_info                *rx_jmb_buffers;
        dma_addr_t                      rx_std_mapping;