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Subject[PATCH 09/10] staging: et131x: move et1310_tx.h contents into et131x.c
Date
Move et1310_tx.h contents into et131x.c and delete et1310_tx.h

Signed-off-by: Mark Einon <mark.einon@gmail.com>
---
drivers/staging/et131x/et1310_tx.h | 150 ------------------------------------
drivers/staging/et131x/et131x.c | 87 ++++++++++++++++++++-
2 files changed, 86 insertions(+), 151 deletions(-)
delete mode 100644 drivers/staging/et131x/et1310_tx.h

diff --git a/drivers/staging/et131x/et1310_tx.h b/drivers/staging/et131x/et1310_tx.h
deleted file mode 100644
index 82d06e9..0000000
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 484a626..9596102 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -81,7 +81,6 @@
#include <linux/random.h>
#include <linux/phy.h>

-#include "et1310_tx.h"
#include "et131x.h"

MODULE_AUTHOR("Victor Soriano <vjsoriano@agere.com>");
@@ -365,6 +364,92 @@ struct rx_ring {
struct kmem_cache *recv_lookaside;
};

+/* TX defines */
+/*
+ * word 2 of the control bits in the Tx Descriptor ring for the ET-1310
+ *
+ * 0-15: length of packet
+ * 16-27: VLAN tag
+ * 28: VLAN CFI
+ * 29-31: VLAN priority
+ *
+ * word 3 of the control bits in the Tx Descriptor ring for the ET-1310
+ *
+ * 0: last packet in the sequence
+ * 1: first packet in the sequence
+ * 2: interrupt the processor when this pkt sent
+ * 3: Control word - no packet data
+ * 4: Issue half-duplex backpressure : XON/XOFF
+ * 5: send pause frame
+ * 6: Tx frame has error
+ * 7: append CRC
+ * 8: MAC override
+ * 9: pad packet
+ * 10: Packet is a Huge packet
+ * 11: append VLAN tag
+ * 12: IP checksum assist
+ * 13: TCP checksum assist
+ * 14: UDP checksum assist
+ */
+
+/* struct tx_desc represents each descriptor on the ring */
+struct tx_desc {
+ u32 addr_hi;
+ u32 addr_lo;
+ u32 len_vlan; /* control words how to xmit the */
+ u32 flags; /* data (detailed above) */
+};
+
+/*
+ * The status of the Tx DMA engine it sits in free memory, and is pointed to
+ * by 0x101c / 0x1020. This is a DMA10 type
+ */
+
+/* TCB (Transmit Control Block: Host Side) */
+struct tcb {
+ struct tcb *next; /* Next entry in ring */
+ u32 flags; /* Our flags for the packet */
+ u32 count; /* Used to spot stuck/lost packets */
+ u32 stale; /* Used to spot stuck/lost packets */
+ struct sk_buff *skb; /* Network skb we are tied to */
+ u32 index; /* Ring indexes */
+ u32 index_start;
+};
+
+/* Structure representing our local reference(s) to the ring */
+struct tx_ring {
+ /* TCB (Transmit Control Block) memory and lists */
+ struct tcb *tcb_ring;
+
+ /* List of TCBs that are ready to be used */
+ struct tcb *tcb_qhead;
+ struct tcb *tcb_qtail;
+
+ /* list of TCBs that are currently being sent. NOTE that access to all
+ * three of these (including used) are controlled via the
+ * TCBSendQLock. This lock should be secured prior to incementing /
+ * decrementing used, or any queue manipulation on send_head /
+ * tail
+ */
+ struct tcb *send_head;
+ struct tcb *send_tail;
+ int used;
+
+ /* The actual descriptor ring */
+ struct tx_desc *tx_desc_ring;
+ dma_addr_t tx_desc_ring_pa;
+
+ /* send_idx indicates where we last wrote to in the descriptor ring. */
+ u32 send_idx;
+
+ /* The location of the write-back status block */
+ u32 *tx_status;
+ dma_addr_t tx_status_pa;
+
+ /* Packets since the last IRQ: used for interrupt coalescing */
+ int since_irq;
+};
+
/* ADAPTER defines */
/*
* Do not change these values: if changed, then change also in respective
--
1.7.6.4


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