---

yaml --- r: 66900 b: refs/heads/master c: 9a50beb h: refs/heads/master v: v3
git-mirror · Oct 10, 2007 · b97d44c · b97d44c
1 parent 3e935c2
commit b97d44c
Show file tree

Hide file tree

Showing 3 changed files with 17 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ad3c20d1ab586884f1815c315e3f303a8b8a7d7d
+refs/heads/master: 9a50bebda95745d312c69d3bb6d788067cbefb84
diff --git a/trunk/drivers/net/pasemi_mac.c b/trunk/drivers/net/pasemi_mac.c
@@ -239,7 +239,9 @@ static int pasemi_mac_setup_rx_resources(struct net_device *dev)
 			   PAS_DMA_RXINT_BASEU_SIZ(RX_RING_SIZE >> 3));
 
 	write_dma_reg(mac, PAS_DMA_RXINT_CFG(mac->dma_if),
-			   PAS_DMA_RXINT_CFG_DHL(2));
+			   PAS_DMA_RXINT_CFG_DHL(3) |
+			   PAS_DMA_RXINT_CFG_L2 |
+			   PAS_DMA_RXINT_CFG_LW);
 
 	ring->next_to_fill = 0;
 	ring->next_to_clean = 0;
@@ -589,6 +591,11 @@ static int pasemi_mac_clean_rx(struct pasemi_mac *mac, int limit)
 		n += 2;
 	}
 
+	if (n > RX_RING_SIZE) {
+		/* Errata 5971 workaround: L2 target of headers */
+		write_iob_reg(mac, PAS_IOB_COM_PKTHDRCNT, 0);
+		n &= (RX_RING_SIZE-1);
+	}
 	mac->rx->next_to_clean = n;
 	pasemi_mac_replenish_rx_ring(mac->netdev, limit-count);
 

diff --git a/trunk/drivers/net/pasemi_mac.h b/trunk/drivers/net/pasemi_mac.h
@@ -210,6 +210,8 @@ enum {
 #define    PAS_DMA_RXINT_CFG_DHL_S	24
 #define    PAS_DMA_RXINT_CFG_DHL(x)	(((x) << PAS_DMA_RXINT_CFG_DHL_S) & \
 					 PAS_DMA_RXINT_CFG_DHL_M)
+#define    PAS_DMA_RXINT_CFG_LW		0x00200000
+#define    PAS_DMA_RXINT_CFG_L2		0x00100000
 #define    PAS_DMA_RXINT_CFG_WIF	0x00000002
 #define    PAS_DMA_RXINT_CFG_WIL	0x00000001
 
@@ -315,6 +317,12 @@ enum {
 #define    PAS_STATUS_SOFT		0x4000000000000000ull
 #define    PAS_STATUS_INT		0x8000000000000000ull
 
+#define PAS_IOB_COM_PKTHDRCNT		0x120
+#define    PAS_IOB_COM_PKTHDRCNT_PKTHDR1_M	0x0fff0000
+#define    PAS_IOB_COM_PKTHDRCNT_PKTHDR1_S	16
+#define    PAS_IOB_COM_PKTHDRCNT_PKTHDR0_M	0x00000fff
+#define    PAS_IOB_COM_PKTHDRCNT_PKTHDR0_S	0
+
 #define PAS_IOB_DMA_RXCH_CFG(i)		(0x1100 + (i)*4)
 #define    PAS_IOB_DMA_RXCH_CFG_CNTTH_M		0x00000fff
 #define    PAS_IOB_DMA_RXCH_CFG_CNTTH_S		0