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Message-Id: <1318455402-10596-9-git-send-email-mark.einon@gmail.com>
Date: Wed, 12 Oct 2011 22:36:40 +0100
From: Mark Einon <mark.einon@...il.com>
To: gregkh@...e.de
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
Mark Einon <mark.einon@...il.com>
Subject: [PATCH 08/10] staging: et131x: move et1310_rx.h contents into et131x.c
Move et1310_rx.h contents into et131x.c and delete et1310_rx.h
Signed-off-by: Mark Einon <mark.einon@...il.com>
---
drivers/staging/et131x/et1310_rx.h | 243 ------------------------------------
drivers/staging/et131x/et131x.c | 181 ++++++++++++++++++++++++++-
2 files changed, 180 insertions(+), 244 deletions(-)
delete mode 100644 drivers/staging/et131x/et1310_rx.h
diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h
deleted file mode 100644
index b3b1bc9..0000000
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 402ab7f..484a626 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -82,7 +82,6 @@
#include <linux/phy.h>
#include "et1310_tx.h"
-#include "et1310_rx.h"
#include "et131x.h"
MODULE_AUTHOR("Victor Soriano <vjsoriano@...re.com>");
@@ -186,6 +185,186 @@ MODULE_DESCRIPTION("10/100/1000 Base-T Ethernet Driver "
#define PARM_TX_NUM_BUFS_DEF 4
#define PARM_DMA_CACHE_DEF 0
+/* RX defines */
+#define USE_FBR0 true
+
+#ifdef USE_FBR0
+/* #define FBR0_BUFFER_SIZE 256 */
+#endif
+
+/* #define FBR1_BUFFER_SIZE 2048 */
+
+#define FBR_CHUNKS 32
+
+#define MAX_DESC_PER_RING_RX 1024
+
+/* number of RFDs - default and min */
+#ifdef USE_FBR0
+#define RFD_LOW_WATER_MARK 40
+#define NIC_MIN_NUM_RFD 64
+#define NIC_DEFAULT_NUM_RFD 1024
+#else
+#define RFD_LOW_WATER_MARK 20
+#define NIC_MIN_NUM_RFD 64
+#define NIC_DEFAULT_NUM_RFD 256
+#endif
+
+#define NUM_PACKETS_HANDLED 256
+
+#define ALCATEL_BAD_STATUS 0xe47f0000
+#define ALCATEL_MULTICAST_PKT 0x01000000
+#define ALCATEL_BROADCAST_PKT 0x02000000
+
+/* typedefs for Free Buffer Descriptors */
+struct fbr_desc {
+ u32 addr_lo;
+ u32 addr_hi;
+ u32 word2; /* Bits 10-31 reserved, 0-9 descriptor */
+};
+
+/* Packet Status Ring Descriptors
+ *
+ * Word 0:
+ *
+ * top 16 bits are from the Alcatel Status Word as enumerated in
+ * PE-MCXMAC Data Sheet IPD DS54 0210-1 (also IPD-DS80 0205-2)
+ *
+ * 0: hp hash pass
+ * 1: ipa IP checksum assist
+ * 2: ipp IP checksum pass
+ * 3: tcpa TCP checksum assist
+ * 4: tcpp TCP checksum pass
+ * 5: wol WOL Event
+ * 6: rxmac_error RXMAC Error Indicator
+ * 7: drop Drop packet
+ * 8: ft Frame Truncated
+ * 9: jp Jumbo Packet
+ * 10: vp VLAN Packet
+ * 11-15: unused
+ * 16: asw_prev_pkt_dropped e.g. IFG too small on previous
+ * 17: asw_RX_DV_event short receive event detected
+ * 18: asw_false_carrier_event bad carrier since last good packet
+ * 19: asw_code_err one or more nibbles signalled as errors
+ * 20: asw_CRC_err CRC error
+ * 21: asw_len_chk_err frame length field incorrect
+ * 22: asw_too_long frame length > 1518 bytes
+ * 23: asw_OK valid CRC + no code error
+ * 24: asw_multicast has a multicast address
+ * 25: asw_broadcast has a broadcast address
+ * 26: asw_dribble_nibble spurious bits after EOP
+ * 27: asw_control_frame is a control frame
+ * 28: asw_pause_frame is a pause frame
+ * 29: asw_unsupported_op unsupported OP code
+ * 30: asw_VLAN_tag VLAN tag detected
+ * 31: asw_long_evt Rx long event
+ *
+ * Word 1:
+ * 0-15: length length in bytes
+ * 16-25: bi Buffer Index
+ * 26-27: ri Ring Index
+ * 28-31: reserved
+ */
+
+struct pkt_stat_desc {
+ u32 word0;
+ u32 word1;
+};
+
+/* Typedefs for the RX DMA status word */
+
+/*
+ * rx status word 0 holds part of the status bits of the Rx DMA engine
+ * that get copied out to memory by the ET-1310. Word 0 is a 32 bit word
+ * which contains the Free Buffer ring 0 and 1 available offset.
+ *
+ * bit 0-9 FBR1 offset
+ * bit 10 Wrap flag for FBR1
+ * bit 16-25 FBR0 offset
+ * bit 26 Wrap flag for FBR0
+ */
+
+/*
+ * RXSTAT_WORD1_t structure holds part of the status bits of the Rx DMA engine
+ * that get copied out to memory by the ET-1310. Word 3 is a 32 bit word
+ * which contains the Packet Status Ring available offset.
+ *
+ * bit 0-15 reserved
+ * bit 16-27 PSRoffset
+ * bit 28 PSRwrap
+ * bit 29-31 unused
+ */
+
+/*
+ * struct rx_status_block is a structure representing the status of the Rx
+ * DMA engine it sits in free memory, and is pointed to by 0x101c / 0x1020
+ */
+struct rx_status_block {
+ u32 word0;
+ u32 word1;
+};
+
+/*
+ * Structure for look-up table holding free buffer ring pointers
+ */
+struct fbr_lookup {
+ void *virt[MAX_DESC_PER_RING_RX];
+ void *buffer1[MAX_DESC_PER_RING_RX];
+ void *buffer2[MAX_DESC_PER_RING_RX];
+ u32 bus_high[MAX_DESC_PER_RING_RX];
+ u32 bus_low[MAX_DESC_PER_RING_RX];
+};
+
+/*
+ * struct rx_ring is the sructure representing the adaptor's local
+ * reference(s) to the rings
+ */
+struct rx_ring {
+#ifdef USE_FBR0
+ void *fbr0_ring_virtaddr;
+ dma_addr_t fbr0_ring_physaddr;
+ void *fbr0_mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ dma_addr_t fbr0_mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ uint64_t fbr0_real_physaddr;
+ uint64_t fbr0_offset;
+ u32 local_fbr0_full;
+ u32 fbr0_num_entries;
+ u32 fbr0_buffsize;
+#endif
+ void *fbr1_ring_virtaddr;
+ dma_addr_t fbr1_ring_physaddr;
+ void *fbr1_mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ dma_addr_t fbr1_mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ uint64_t fbr1_real_physaddr;
+ uint64_t fbr1_offset;
+ struct fbr_lookup *fbr[2]; /* One per ring */
+ u32 local_fbr1_full;
+ u32 fbr1_num_entries;
+ u32 fbr1_buffsize;
+
+ void *ps_ring_virtaddr;
+ dma_addr_t ps_ring_physaddr;
+ u32 local_psr_full;
+ u32 psr_num_entries;
+
+ struct rx_status_block *rx_status_block;
+ dma_addr_t rx_status_bus;
+
+ struct list_head recv_buff_pool;
+
+ /* RECV */
+ struct list_head recv_list;
+ u32 num_ready_recv;
+
+ u32 num_rfd;
+
+ bool unfinished_receives;
+
+ struct list_head recv_packet_pool;
+
+ /* lookaside lists */
+ struct kmem_cache *recv_lookaside;
+};
+
/* ADAPTER defines */
/*
* Do not change these values: if changed, then change also in respective
--
1.7.6.4
--
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