diff options
Diffstat (limited to 'sys/dev/igc/if_igc.h')
| -rw-r--r-- | sys/dev/igc/if_igc.h | 118 |
1 files changed, 42 insertions, 76 deletions
diff --git a/sys/dev/igc/if_igc.h b/sys/dev/igc/if_igc.h index 0c22ce9f76f4..236a16c4add3 100644 --- a/sys/dev/igc/if_igc.h +++ b/sys/dev/igc/if_igc.h @@ -1,9 +1,9 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * + * Copyright (c) 2001-2024, Intel Corporation * Copyright (c) 2016 Nicole Graziano <nicole@nextbsd.org> - * All rights reserved. - * Copyright (c) 2021 Rubicon Communications, LLC (Netgate) + * Copyright (c) 2021-2024 Rubicon Communications, LLC (Netgate) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -132,65 +132,6 @@ #define IGC_MAX_RXD 4096 /* - * IGC_TIDV_VAL - Transmit Interrupt Delay Value - * Valid Range: 0-65535 (0=off) - * Default Value: 64 - * This value delays the generation of transmit interrupts in units of - * 1.024 microseconds. Transmit interrupt reduction can improve CPU - * efficiency if properly tuned for specific network traffic. If the - * system is reporting dropped transmits, this value may be set too high - * causing the driver to run out of available transmit descriptors. - */ -#define IGC_TIDV_VAL 64 - -/* - * IGC_TADV_VAL - Transmit Absolute Interrupt Delay Value - * Valid Range: 0-65535 (0=off) - * Default Value: 64 - * This value, in units of 1.024 microseconds, limits the delay in which a - * transmit interrupt is generated. Useful only if IGC_TIDV is non-zero, - * this value ensures that an interrupt is generated after the initial - * packet is sent on the wire within the set amount of time. Proper tuning, - * along with IGC_TIDV_VAL, may improve traffic throughput in specific - * network conditions. - */ -#define IGC_TADV_VAL 64 - -/* - * IGC_RDTR_VAL - Receive Interrupt Delay Timer (Packet Timer) - * Valid Range: 0-65535 (0=off) - * Default Value: 0 - * This value delays the generation of receive interrupts in units of 1.024 - * microseconds. Receive interrupt reduction can improve CPU efficiency if - * properly tuned for specific network traffic. Increasing this value adds - * extra latency to frame reception and can end up decreasing the throughput - * of TCP traffic. If the system is reporting dropped receives, this value - * may be set too high, causing the driver to run out of available receive - * descriptors. - * - * CAUTION: When setting IGC_RDTR to a value other than 0, adapters - * may hang (stop transmitting) under certain network conditions. - * If this occurs a WATCHDOG message is logged in the system - * event log. In addition, the controller is automatically reset, - * restoring the network connection. To eliminate the potential - * for the hang ensure that IGC_RDTR is set to 0. - */ -#define IGC_RDTR_VAL 0 - -/* - * Receive Interrupt Absolute Delay Timer - * Valid Range: 0-65535 (0=off) - * Default Value: 64 - * This value, in units of 1.024 microseconds, limits the delay in which a - * receive interrupt is generated. Useful only if IGC_RDTR is non-zero, - * this value ensures that an interrupt is generated after the initial - * packet is received within the set amount of time. Proper tuning, - * along with IGC_RDTR, may improve traffic throughput in specific network - * conditions. - */ -#define IGC_RADV_VAL 64 - -/* * This parameter controls whether or not autonegotation is enabled. * 0 - Disable autonegotiation * 1 - Enable autonegotiation @@ -222,6 +163,17 @@ #define IGC_TX_PTHRESH 8 #define IGC_TX_HTHRESH 1 +/* Define the interrupt rates and EITR helpers */ +#define IGC_INTS_4K 4000 +#define IGC_INTS_20K 20000 +#define IGC_INTS_70K 70000 +#define IGC_INTS_DEFAULT 8000 +#define IGC_EITR_DIVIDEND 1000000 +#define IGC_EITR_SHIFT 2 +#define IGC_QVECTOR_MASK 0x7FFC +#define IGC_INTS_TO_EITR(i) (((IGC_EITR_DIVIDEND/i) & IGC_QVECTOR_MASK) << \ + IGC_EITR_SHIFT) + /* * TDBA/RDBA should be aligned on 16 byte boundary. But TDLEN/RDLEN should be * multiple of 128 bytes. So we align TDBA/RDBA on 128 byte boundary. This will @@ -254,10 +206,10 @@ CSUM_IP_SCTP | CSUM_IP6_UDP | CSUM_IP6_TCP | \ CSUM_IP6_SCTP) /* Offload bits in mbuf flag */ -struct igc_adapter; +struct igc_softc; struct igc_int_delay_info { - struct igc_adapter *adapter; /* Back-pointer to the adapter struct */ + struct igc_softc *sc; /* Back-pointer to the softc struct */ int offset; /* Register offset to read/write */ int value; /* Current value in usecs */ }; @@ -266,9 +218,9 @@ struct igc_int_delay_info { * The transmit ring, one per tx queue */ struct tx_ring { - struct igc_adapter *adapter; + struct igc_softc *sc; struct igc_tx_desc *tx_base; - uint64_t tx_paddr; + uint64_t tx_paddr; qidx_t *tx_rsq; uint8_t me; qidx_t tx_rs_cidx; @@ -277,7 +229,12 @@ struct tx_ring { /* Interrupt resources */ void *tag; struct resource *res; - unsigned long tx_irq; + + /* Soft stats */ + unsigned long tx_irq; + unsigned long tx_packets; + unsigned long tx_bytes; + /* Saved csum offloading context information */ int csum_flags; @@ -296,7 +253,7 @@ struct tx_ring { * The Receive ring, one per rx queue */ struct rx_ring { - struct igc_adapter *adapter; + struct igc_softc *sc; struct igc_rx_queue *que; u32 me; u32 payload; @@ -312,28 +269,32 @@ struct rx_ring { unsigned long rx_discarded; unsigned long rx_packets; unsigned long rx_bytes; + + /* Next requested EITR latency */ + u8 rx_nextlatency; }; struct igc_tx_queue { - struct igc_adapter *adapter; - u32 msix; - u32 eims; /* This queue's EIMS bit */ - u32 me; - struct tx_ring txr; + struct igc_softc *sc; + u32 msix; + u32 eims; /* This queue's EIMS bit */ + u32 me; + struct tx_ring txr; }; struct igc_rx_queue { - struct igc_adapter *adapter; + struct igc_softc *sc; u32 me; u32 msix; u32 eims; + u32 eitr_setting; struct rx_ring rxr; u64 irqs; struct if_irq que_irq; }; -/* Our adapter structure */ -struct igc_adapter { +/* Our softc structure */ +struct igc_softc { if_t ifp; struct igc_hw hw; @@ -374,6 +335,8 @@ struct igc_adapter { u32 rx_mbuf_sz; + int enable_aim; + /* Management and WOL features */ u32 wol; @@ -387,10 +350,13 @@ struct igc_adapter { u16 link_duplex; u32 smartspeed; u32 dmac; + u32 pba; int link_mask; u64 que_mask; + struct igc_fw_version fw_ver; + struct igc_int_delay_info tx_int_delay; struct igc_int_delay_info tx_abs_int_delay; struct igc_int_delay_info rx_int_delay; @@ -407,7 +373,7 @@ struct igc_adapter { u16 vf_ifp; }; -void igc_dump_rs(struct igc_adapter *); +void igc_dump_rs(struct igc_softc *); #define IGC_RSSRK_SIZE 4 #define IGC_RSSRK_VAL(key, i) (key[(i) * IGC_RSSRK_SIZE] | \ |