diff options
Diffstat (limited to 'drivers/staging/et131x/et1310_rx.h')
-rw-r--r-- | drivers/staging/et131x/et1310_rx.h | 140 |
1 files changed, 46 insertions, 94 deletions
diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h index a8915e6..28e7665 100644 --- a/drivers/staging/et131x/et1310_rx.h +++ b/drivers/staging/et131x/et1310_rx.h @@ -98,101 +98,53 @@ struct fbr_desc u32 word2; /* Bits 10-31 reserved, 0-9 descriptor */ }; -/* 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; - -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 */ |