drivers/e1000e: send 100 test TX packets instead of just 1

1 files changed, 38 insertions, 20 deletions

diff --git a/drivers/e1000e.c b/drivers/e1000e.c
index 43fbd66..f3e4cf6 100644
--- a/drivers/e1000e.c
+++ b/drivers/e1000e.c
@@ -210,26 +210,44 @@ void e1000e_xmit(void *txring, struct iomem data, volatile void *ioaddr)
 		0x04, 0x74, 0x65, 0x73, 0x74, 0x00,
 		0x00, 0x01, 0x00, 0x01
 	};
-	const int idx = 0;
-	e1000_tx_desc_t *tx_desc = (e1000_tx_desc_t *)txring + idx;
-	char *tx_buff = (char *)(data.vaddr + idx * 2048);
-	uint32_t txd_cmd = E1000_TXD_CMD_IFCS | E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS |
-				E1000_TXD_CMD_IDE;
-
-	/* XXX FIXME need proper packet size and sizeof(src) *NOT* dst */
-	memcpy(tx_buff, pkt_udp, sizeof(pkt_udp));
-	tx_desc->buffer_addr = odpdrv_cpu_to_le_64(data.iova + idx * 2048);
-	tx_desc->lower.data = odpdrv_cpu_to_le_32(txd_cmd | sizeof(pkt_udp));
-	tx_desc->upper.data = odpdrv_cpu_to_le_32(0);
-
-	dma_wmb();
-
-	printf("Triggering xmit of dummy packet\n");
-	printf("tx_desc->buffer_addr == 0x%016lx\n", tx_desc->buffer_addr);
-	printf("tx_desc->lower == 0x%08x\n", tx_desc->lower.data);
-	printf("tx_desc->upper == 0x%08x\n", tx_desc->upper.data);
-
-	io_write32(odpdrv_cpu_to_le_32(idx + 1), ioaddr + E1000_TDT_OFFSET);
+	int idx;
+	uint32_t txd_cmd =
+	    E1000_TXD_CMD_IFCS | E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS |
+	    E1000_TXD_CMD_IDE;
+
+	for (idx = 0; idx < 100; idx++) {
+		e1000_tx_desc_t *tx_desc =
+		    (e1000_tx_desc_t *) txring + idx;
+		char *tx_buff = (char *) (data.vaddr + idx * 2048);
+
+		/* XXX FIXME need proper packet size and sizeof(src) *NOT* dst */
+		memcpy(tx_buff, pkt_udp, sizeof(pkt_udp));
+		tx_desc->buffer_addr =
+		    odpdrv_cpu_to_le_64(data.iova + idx * 2048);
+		tx_desc->lower.data =
+		    odpdrv_cpu_to_le_32(txd_cmd | sizeof(pkt_udp));
+		tx_desc->upper.data = odpdrv_cpu_to_le_32(0);
+
+		dma_wmb();
+
+		printf("Triggering xmit of dummy packet\n");
+		printf("tx_desc->buffer_addr == 0x%016lx\n",
+		       tx_desc->buffer_addr);
+		printf("tx_desc->lower == 0x%08x\n", tx_desc->lower.data);
+		printf("tx_desc->upper == 0x%08x\n", tx_desc->upper.data);
+		printf("TDT == 0x%08x\n", io_read32(ioaddr + E1000_TDT_OFFSET));
+		printf("TDH == 0x%08x\n", io_read32(ioaddr + E1000_TDH_OFFSET));
+
+		usleep(100 * 1000);
+
+		io_write32(odpdrv_cpu_to_le_32(idx + 1),
+			   ioaddr + E1000_TDT_OFFSET);
+
+		usleep(100 * 1000);
+
+		printf("TDT == 0x%08x\n", io_read32(ioaddr + E1000_TDT_OFFSET));
+		printf("TDH == 0x%08x\n", io_read32(ioaddr + E1000_TDH_OFFSET));
+	}
 
 	return;
 }