#define ALCATEL_BROADCAST_PKT 0x02000000
/* typedefs for Free Buffer Descriptors */
-typedef union _FBR_WORD2_t {
- u32 value;
- struct {
-#ifdef _BIT_FIELDS_HTOL
- u32 reserved:22; /* bits 10-31 */
- u32 bi:10; /* bits 0-9(Buffer Index) */
-#else
- u32 bi:10; /* bits 0-9(Buffer Index) */
- u32 reserved:22; /* bit 10-31 */
-#endif
- } bits;
-} FBR_WORD2_t, *PFBR_WORD2_t;
-
-typedef struct _FBR_DESC_t {
+struct fbr_desc
+{
u32 addr_lo;
u32 addr_hi;
- FBR_WORD2_t word2;
-} FBR_DESC_t, *PFBR_DESC_t;
-
-/* Typedefs for Packet Status Ring Descriptors */
-typedef union _PKT_STAT_DESC_WORD0_t {
- u32 value;
- struct {
-#ifdef _BIT_FIELDS_HTOL
- /* 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) */
-#if 0
- u32 asw_trunc:1; /* bit 31(Rx frame truncated) */
-#endif
- u32 asw_long_evt:1; /* bit 31(Rx long event) */
- u32 asw_VLAN_tag:1; /* bit 30(VLAN tag detected) */
- u32 asw_unsupported_op:1; /* bit 29(unsupported OP code) */
- u32 asw_pause_frame:1; /* bit 28(is a pause frame) */
- u32 asw_control_frame:1; /* bit 27(is a control frame) */
- u32 asw_dribble_nibble:1; /* bit 26(spurious bits after EOP) */
- u32 asw_broadcast:1; /* bit 25(has a broadcast address) */
- u32 asw_multicast:1; /* bit 24(has a multicast address) */
- u32 asw_OK:1; /* bit 23(valid CRC + no code error) */
- u32 asw_too_long:1; /* bit 22(frame length > 1518 bytes) */
- u32 asw_len_chk_err:1; /* bit 21(frame length field incorrect) */
- u32 asw_CRC_err:1; /* bit 20(CRC error) */
- u32 asw_code_err:1; /* bit 19(one or more nibbles signalled as errors) */
- u32 asw_false_carrier_event:1; /* bit 18(bad carrier since last good packet) */
- u32 asw_RX_DV_event:1; /* bit 17(short receive event detected) */
- u32 asw_prev_pkt_dropped:1;/* bit 16(e.g. IFG too small on previous) */
- u32 unused:5; /* bits 11-15 */
- u32 vp:1; /* bit 10(VLAN Packet) */
- u32 jp:1; /* bit 9(Jumbo Packet) */
- u32 ft:1; /* bit 8(Frame Truncated) */
- u32 drop:1; /* bit 7(Drop packet) */
- u32 rxmac_error:1; /* bit 6(RXMAC Error Indicator) */
- u32 wol:1; /* bit 5(WOL Event) */
- u32 tcpp:1; /* bit 4(TCP checksum pass) */
- u32 tcpa:1; /* bit 3(TCP checksum assist) */
- u32 ipp:1; /* bit 2(IP checksum pass) */
- u32 ipa:1; /* bit 1(IP checksum assist) */
- u32 hp:1; /* bit 0(hash pass) */
-#else
- u32 hp:1; /* bit 0(hash pass) */
- u32 ipa:1; /* bit 1(IP checksum assist) */
- u32 ipp:1; /* bit 2(IP checksum pass) */
- u32 tcpa:1; /* bit 3(TCP checksum assist) */
- u32 tcpp:1; /* bit 4(TCP checksum pass) */
- u32 wol:1; /* bit 5(WOL Event) */
- u32 rxmac_error:1; /* bit 6(RXMAC Error Indicator) */
- u32 drop:1; /* bit 7(Drop packet) */
- u32 ft:1; /* bit 8(Frame Truncated) */
- u32 jp:1; /* bit 9(Jumbo Packet) */
- u32 vp:1; /* bit 10(VLAN Packet) */
- u32 unused:5; /* bits 11-15 */
- u32 asw_prev_pkt_dropped:1;/* bit 16(e.g. IFG too small on previous) */
- u32 asw_RX_DV_event:1; /* bit 17(short receive event detected) */
- u32 asw_false_carrier_event:1; /* bit 18(bad carrier since last good packet) */
- u32 asw_code_err:1; /* bit 19(one or more nibbles signalled as errors) */
- u32 asw_CRC_err:1; /* bit 20(CRC error) */
- u32 asw_len_chk_err:1; /* bit 21(frame length field incorrect) */
- u32 asw_too_long:1; /* bit 22(frame length > 1518 bytes) */
- u32 asw_OK:1; /* bit 23(valid CRC + no code error) */
- u32 asw_multicast:1; /* bit 24(has a multicast address) */
- u32 asw_broadcast:1; /* bit 25(has a broadcast address) */
- u32 asw_dribble_nibble:1; /* bit 26(spurious bits after EOP) */
- u32 asw_control_frame:1; /* bit 27(is a control frame) */
- u32 asw_pause_frame:1; /* bit 28(is a pause frame) */
- u32 asw_unsupported_op:1; /* bit 29(unsupported OP code) */
- u32 asw_VLAN_tag:1; /* bit 30(VLAN tag detected) */
- u32 asw_long_evt:1; /* bit 31(Rx long event) */
-#if 0
- u32 asw_trunc:1; /* bit 31(Rx frame truncated) */
-#endif
-#endif
- } bits;
-} PKT_STAT_DESC_WORD0_t, *PPKT_STAT_WORD0_t;
+ u32 word2; /* Bits 10-31 reserved, 0-9 descriptor */
+};
-typedef union _PKT_STAT_DESC_WORD1_t {
- u32 value;
- struct {
-#ifdef _BIT_FIELDS_HTOL
- u32 unused:4; /* bits 28-31 */
- u32 ri:2; /* bits 26-27(Ring Index) */
- u32 bi:10; /* bits 16-25(Buffer Index) */
- u32 length:16; /* bit 0-15(length in bytes) */
-#else
- u32 length:16; /* bit 0-15(length in bytes) */
- u32 bi:10; /* bits 16-25(Buffer Index) */
- u32 ri:2; /* bits 26-27(Ring Index) */
- u32 unused:4; /* bits 28-31 */
-#endif
- } bits;
-} PKT_STAT_DESC_WORD1_t, *PPKT_STAT_WORD1_t;
+/* 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
+ */
-typedef struct _PKT_STAT_DESC_t {
- PKT_STAT_DESC_WORD0_t word0;
- PKT_STAT_DESC_WORD1_t word1;
-} PKT_STAT_DESC_t, *PPKT_STAT_DESC_t;
+struct pkt_stat_desc {
+ u32 word0;
+ u32 word1;
+};
/* Typedefs for the RX DMA status word */
* 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
*/
-#define RXSTAT1_OFFSET 16
-#define RXSTAT1_MASK 0xFFF
-#define RXSTAT1_WRAP 0x10000000
-
-typedef union _rxstat_word1_t {
- u32 value;
- struct {
-#ifdef _BIT_FIELDS_HTOL
- u32 PSRunused:3; /* bits 29-31 */
- u32 PSRwrap:1; /* bit 28 */
- u32 PSRoffset:12; /* bits 16-27 */
- u32 reserved:16; /* bits 0-15 */
-#else
- u32 reserved:16; /* bits 0-15 */
- u32 PSRoffset:12; /* bits 16-27 */
- u32 PSRwrap:1; /* bit 28 */
- u32 PSRunused:3; /* bits 29-31 */
-#endif
- } bits;
-} RXSTAT_WORD1_t, *PRXSTAT_WORD1_t;
-
/*
- * RX_STATUS_BLOCK_t is sructure representing the status of the Rx DMA engine
- * it sits in free memory, and is pointed to by 0x101c / 0x1020
+ * 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
*/
-typedef struct _rx_status_block_t {
+struct rx_status_block {
u32 Word0;
- RXSTAT_WORD1_t Word1;
-} RX_STATUS_BLOCK_t, *PRX_STATUS_BLOCK_t;
+ u32 Word1;
+};
/*
* Structure for look-up table holding free buffer ring pointers
*/
-typedef struct _FbrLookupTable {
- void *Va[MAX_DESC_PER_RING_RX];
- void *Buffer1[MAX_DESC_PER_RING_RX];
- void *Buffer2[MAX_DESC_PER_RING_RX];
- u32 PAHigh[MAX_DESC_PER_RING_RX];
- u32 PALow[MAX_DESC_PER_RING_RX];
-} FBRLOOKUPTABLE, *PFBRLOOKUPTABLE;
-
-typedef enum {
- ONE_PACKET_INTERRUPT,
- FOUR_PACKET_INTERRUPT
-} eRX_INTERRUPT_STATE_t, *PeRX_INTERRUPT_STATE_t;
+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];
+};
/*
- * RX_RING_t is sructure representing the adaptor's local reference(s) to the
- * rings
+ * struct rx_ring is the ssructure representing the adaptor's local
+ * reference(s) to the rings
*/
-typedef struct _rx_ring_t {
+struct rx_ring {
#ifdef USE_FBR0
void *pFbr0RingVa;
dma_addr_t pFbr0RingPa;
dma_addr_t Fbr1MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
uint64_t Fbr1Realpa;
uint64_t Fbr1offset;
- FBRLOOKUPTABLE *Fbr[2];
+ struct fbr_lookup *fbr[2]; /* One per ring */
u32 local_Fbr1_full;
u32 Fbr1NumEntries;
u32 Fbr1BufferSize;
u32 local_psr_full;
u32 PsrNumEntries;
- void *pRxStatusVa;
- dma_addr_t pRxStatusPa;
+ struct rx_status_block *rx_status_block;
+ dma_addr_t rx_status_bus;
struct list_head RecvBufferPool;
/* lookaside lists */
struct kmem_cache *RecvLookaside;
-} RX_RING_t, *PRX_RING_t;
-
-/* Forward reference of RFD */
-struct _MP_RFD;
-
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-/* PROTOTYPES for Initialization */
-int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter);
-void et131x_rx_dma_memory_free(struct et131x_adapter *adapter);
-int et131x_rfd_resources_alloc(struct et131x_adapter *adapter,
- struct _MP_RFD *pMpRfd);
-void et131x_rfd_resources_free(struct et131x_adapter *adapter,
- struct _MP_RFD *pMpRfd);
-int et131x_init_recv(struct et131x_adapter *adapter);
-
-void ConfigRxDmaRegs(struct et131x_adapter *adapter);
-void SetRxDmaTimer(struct et131x_adapter *adapter);
-void et131x_rx_dma_disable(struct et131x_adapter *adapter);
-void et131x_rx_dma_enable(struct et131x_adapter *adapter);
-
-void et131x_reset_recv(struct et131x_adapter *adapter);
-
-void et131x_handle_recv_interrupt(struct et131x_adapter *adapter);
+};
#endif /* __ET1310_RX_H__ */
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff