diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_defines.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_defines.h | 89 |
1 files changed, 81 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 5f92b3c7c3d4..7189dfc389ad 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -4,6 +4,8 @@ #ifndef _IGC_DEFINES_H_ #define _IGC_DEFINES_H_ +#include <linux/bitfield.h> + /* Number of Transmit and Receive Descriptors must be a multiple of 8 */ #define REQ_TX_DESCRIPTOR_MULTIPLE 8 #define REQ_RX_DESCRIPTOR_MULTIPLE 8 @@ -176,7 +178,6 @@ /* PHY GPY 211 registers */ #define STANDARD_AN_REG_MASK 0x0007 /* MMD */ -#define ANEG_MULTIGBT_AN_CTRL 0x0020 /* MULTI GBT AN Control Register */ #define MMD_DEVADDR_SHIFT 16 /* Shift MMD to higher bits */ #define CR_2500T_FD_CAPS 0x0080 /* Advertise 2500T FD capability */ @@ -307,6 +308,8 @@ #define IGC_TXD_DTYP_C 0x00000000 /* Context Descriptor */ #define IGC_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */ #define IGC_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */ +#define IGC_TXD_POPTS_SMD_MASK 0x3000 /* Indicates whether it's SMD-V or SMD-R */ + #define IGC_TXD_CMD_EOP 0x01000000 /* End of Packet */ #define IGC_TXD_CMD_IC 0x04000000 /* Insert Checksum */ #define IGC_TXD_CMD_DEXT 0x20000000 /* Desc extension (0 = legacy) */ @@ -362,6 +365,8 @@ #define IGC_SRRCTL_TIMER0SEL(timer) (((timer) & 0x3) << 17) /* Receive Descriptor bit definitions */ +#define IGC_RXD_STAT_SMD_TYPE_V 0x01 /* SMD-V Packet */ +#define IGC_RXD_STAT_SMD_TYPE_R 0x02 /* SMD-R Packet */ #define IGC_RXD_STAT_EOP 0x02 /* End of Packet */ #define IGC_RXD_STAT_IXSM 0x04 /* Ignore checksum */ #define IGC_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */ @@ -371,7 +376,8 @@ #define IGC_RXDEXT_STATERR_LB 0x00040000 /* Advanced Receive Descriptor bit definitions */ -#define IGC_RXDADV_STAT_TSIP 0x08000 /* timestamp in packet */ +#define IGC_RXDADV_STAT_SMD_TYPE_MASK 0x06000 +#define IGC_RXDADV_STAT_TSIP 0x08000 /* timestamp in packet */ #define IGC_RXDEXT_STATERR_L4E 0x20000000 #define IGC_RXDEXT_STATERR_IPE 0x40000000 @@ -395,15 +401,57 @@ #define IGC_RCTL_PMCF 0x00800000 /* pass MAC control frames */ #define IGC_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */ -#define I225_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */ -#define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ -#define IGC_RXPBS_CFG_TS_EN 0x80000000 /* Timestamp in Rx buffer */ - -#define IGC_TXPBSIZE_TSN 0x04145145 /* 5k bytes buffer for each queue */ +/* Mask for RX packet buffer size */ +#define IGC_RXPBSIZE_EXP_MASK GENMASK(5, 0) +#define IGC_BMC2OSPBSIZE_MASK GENMASK(11, 6) +#define IGC_RXPBSIZE_BE_MASK GENMASK(17, 12) +/* Mask for timestamp in RX buffer */ +#define IGC_RXPBS_CFG_TS_EN_MASK GENMASK(31, 31) +/* High-priority RX packet buffer size (KB). Used for Express traffic when preemption is enabled */ +#define IGC_RXPBSIZE_EXP(x) FIELD_PREP(IGC_RXPBSIZE_EXP_MASK, (x)) +/* BMC to OS packet buffer size in KB */ +#define IGC_BMC2OSPBSIZE(x) FIELD_PREP(IGC_BMC2OSPBSIZE_MASK, (x)) +/* Low-priority RX packet buffer size (KB). Used for BE traffic when preemption is enabled */ +#define IGC_RXPBSIZE_BE(x) FIELD_PREP(IGC_RXPBSIZE_BE_MASK, (x)) +/* Enable RX packet buffer for timestamp descriptor, saving 16 bytes per packet if set */ +#define IGC_RXPBS_CFG_TS_EN FIELD_PREP(IGC_RXPBS_CFG_TS_EN_MASK, 1) +/* Default value following I225/I226 SW User Manual Section 8.3.1 */ +#define IGC_RXPBSIZE_EXP_BMC_DEFAULT ( \ + IGC_RXPBSIZE_EXP(34) | IGC_BMC2OSPBSIZE(2)) +#define IGC_RXPBSIZE_EXP_BMC_BE_TSN ( \ + IGC_RXPBSIZE_EXP(15) | IGC_BMC2OSPBSIZE(2) | IGC_RXPBSIZE_BE(15)) + +/* Mask for TX packet buffer size */ +#define IGC_TXPB0SIZE_MASK GENMASK(5, 0) +#define IGC_TXPB1SIZE_MASK GENMASK(11, 6) +#define IGC_TXPB2SIZE_MASK GENMASK(17, 12) +#define IGC_TXPB3SIZE_MASK GENMASK(23, 18) +/* Mask for OS to BMC packet buffer size */ +#define IGC_OS2BMCPBSIZE_MASK GENMASK(29, 24) +/* TX Packet buffer size in KB */ +#define IGC_TXPB0SIZE(x) FIELD_PREP(IGC_TXPB0SIZE_MASK, (x)) +#define IGC_TXPB1SIZE(x) FIELD_PREP(IGC_TXPB1SIZE_MASK, (x)) +#define IGC_TXPB2SIZE(x) FIELD_PREP(IGC_TXPB2SIZE_MASK, (x)) +#define IGC_TXPB3SIZE(x) FIELD_PREP(IGC_TXPB3SIZE_MASK, (x)) +/* OS to BMC packet buffer size in KB */ +#define IGC_OS2BMCPBSIZE(x) FIELD_PREP(IGC_OS2BMCPBSIZE_MASK, (x)) +/* Default value following I225/I226 SW User Manual Section 8.3.2 */ +#define IGC_TXPBSIZE_DEFAULT ( \ + IGC_TXPB0SIZE(20) | IGC_TXPB1SIZE(0) | IGC_TXPB2SIZE(0) | \ + IGC_TXPB3SIZE(0) | IGC_OS2BMCPBSIZE(4)) +#define IGC_TXPBSIZE_TSN ( \ + IGC_TXPB0SIZE(7) | IGC_TXPB1SIZE(7) | IGC_TXPB2SIZE(7) | \ + IGC_TXPB3SIZE(7) | IGC_OS2BMCPBSIZE(4)) #define IGC_DTXMXPKTSZ_TSN 0x19 /* 1600 bytes of max TX DMA packet size */ #define IGC_DTXMXPKTSZ_DEFAULT 0x98 /* 9728-byte Jumbo frames */ +/* Retry Buffer Control */ +#define IGC_RETX_CTL 0x041C +#define IGC_RETX_CTL_WATERMARK_MASK 0xF +#define IGC_RETX_CTL_QBVFULLTH_SHIFT 8 /* QBV Retry Buffer Full Threshold */ +#define IGC_RETX_CTL_QBVFULLEN 0x1000 /* Enable QBV Retry Buffer Full Threshold */ + /* Transmit Scheduling Latency */ /* Latency between transmission scheduling (LaunchTime) and the time * the packet is transmitted to the network in nanosecond. @@ -532,8 +580,10 @@ /* Transmit Scheduling */ #define IGC_TQAVCTRL_TRANSMIT_MODE_TSN 0x00000001 +#define IGC_TQAVCTRL_PREEMPT_ENA 0x00000002 #define IGC_TQAVCTRL_ENHANCED_QAV 0x00000008 #define IGC_TQAVCTRL_FUTSCDDIS 0x00000080 +#define IGC_TQAVCTRL_MIN_FRAG_MASK 0x0000C000 #define IGC_TXQCTL_QUEUE_MODE_LAUNCHT 0x00000001 #define IGC_TXQCTL_STRICT_CYCLE 0x00000002 @@ -547,6 +597,15 @@ #define IGC_MAX_SR_QUEUES 2 +#define IGC_TXARB_TXQ_PRIO_0_MASK GENMASK(1, 0) +#define IGC_TXARB_TXQ_PRIO_1_MASK GENMASK(3, 2) +#define IGC_TXARB_TXQ_PRIO_2_MASK GENMASK(5, 4) +#define IGC_TXARB_TXQ_PRIO_3_MASK GENMASK(7, 6) +#define IGC_TXARB_TXQ_PRIO_0(x) FIELD_PREP(IGC_TXARB_TXQ_PRIO_0_MASK, (x)) +#define IGC_TXARB_TXQ_PRIO_1(x) FIELD_PREP(IGC_TXARB_TXQ_PRIO_1_MASK, (x)) +#define IGC_TXARB_TXQ_PRIO_2(x) FIELD_PREP(IGC_TXARB_TXQ_PRIO_2_MASK, (x)) +#define IGC_TXARB_TXQ_PRIO_3(x) FIELD_PREP(IGC_TXARB_TXQ_PRIO_3_MASK, (x)) + /* Receive Checksum Control */ #define IGC_RXCSUM_CRCOFL 0x00000800 /* CRC32 offload enable */ #define IGC_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */ @@ -558,7 +617,10 @@ #define IGC_PTM_CTRL_SHRT_CYC(usec) (((usec) & 0x3f) << 2) #define IGC_PTM_CTRL_PTM_TO(usec) (((usec) & 0xff) << 8) -#define IGC_PTM_SHORT_CYC_DEFAULT 1 /* Default short cycle interval */ +/* A short cycle time of 1us theoretically should work, but appears to be too + * short in practice. + */ +#define IGC_PTM_SHORT_CYC_DEFAULT 4 /* Default short cycle interval */ #define IGC_PTM_CYC_TIME_DEFAULT 5 /* Default PTM cycle time */ #define IGC_PTM_TIMEOUT_DEFAULT 255 /* Default timeout for PTM errors */ @@ -577,6 +639,7 @@ #define IGC_PTM_STAT_T4M1_OVFL BIT(3) /* T4 minus T1 overflow */ #define IGC_PTM_STAT_ADJUST_1ST BIT(4) /* 1588 timer adjusted during 1st PTM cycle */ #define IGC_PTM_STAT_ADJUST_CYC BIT(5) /* 1588 timer adjusted during non-1st PTM cycle */ +#define IGC_PTM_STAT_ALL GENMASK(5, 0) /* Used to clear all status */ /* PCIe PTM Cycle Control */ #define IGC_PTM_CYCLE_CTRL_CYC_TIME(msec) ((msec) & 0x3ff) /* PTM Cycle Time (msec) */ @@ -635,6 +698,16 @@ #define IGC_MDIC_READY 0x10000000 #define IGC_MDIC_ERROR 0x40000000 +/* EEE Link Ability */ +#define IGC_EEE_2500BT_MASK BIT(0) +#define IGC_EEE_1000BT_MASK BIT(2) +#define IGC_EEE_100BT_MASK BIT(1) + +/* EEE Link-Partner Ability */ +#define IGC_LP_EEE_2500BT_MASK BIT(0) +#define IGC_LP_EEE_1000BT_MASK BIT(2) +#define IGC_LP_EEE_100BT_MASK BIT(1) + #define IGC_N0_QUEUE -1 #define IGC_MAX_MAC_HDR_LEN 127 |