Date: Tue, 27 Nov 2018 22:02:54 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341098 - head/sys/dev/cxgbe Message-ID: <201811272202.wARM2sAw011118@repo.freebsd.org>
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Author: jhb Date: Tue Nov 27 22:02:54 2018 New Revision: 341098 URL: https://svnweb.freebsd.org/changeset/base/341098 Log: Add read-only sysctls for all tunables in the cxgbe(4) driver. Reviewed by: np MFC after: 1 month Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D18360 Modified: head/sys/dev/cxgbe/adapter.h head/sys/dev/cxgbe/t4_main.c head/sys/dev/cxgbe/t4_netmap.c head/sys/dev/cxgbe/t4_sge.c Modified: head/sys/dev/cxgbe/adapter.h ============================================================================== --- head/sys/dev/cxgbe/adapter.h Tue Nov 27 21:49:59 2018 (r341097) +++ head/sys/dev/cxgbe/adapter.h Tue Nov 27 22:02:54 2018 (r341098) @@ -82,6 +82,8 @@ prefetch(void *x) #define CTLTYPE_U64 CTLTYPE_QUAD #endif +SYSCTL_DECL(_hw_cxgbe); + struct adapter; typedef struct adapter adapter_t; Modified: head/sys/dev/cxgbe/t4_main.c ============================================================================== --- head/sys/dev/cxgbe/t4_main.c Tue Nov 27 21:49:59 2018 (r341097) +++ head/sys/dev/cxgbe/t4_main.c Tue Nov 27 22:02:54 2018 (r341098) @@ -253,110 +253,150 @@ SLIST_HEAD(, uld_info) t4_uld_list; * Tunables applicable to both T4 and T5 are under hw.cxgbe. Those specific to * T5 are under hw.cxl. */ +SYSCTL_NODE(_hw, OID_AUTO, cxgbe, CTLFLAG_RD, 0, "cxgbe(4) parameters"); +SYSCTL_NODE(_hw, OID_AUTO, cxl, CTLFLAG_RD, 0, "cxgbe(4) T5+ parameters"); +SYSCTL_NODE(_hw_cxgbe, OID_AUTO, toe, CTLFLAG_RD, 0, "cxgbe(4) TOE parameters"); /* * Number of queues for tx and rx, NIC and offload. */ #define NTXQ 16 int t4_ntxq = -NTXQ; -TUNABLE_INT("hw.cxgbe.ntxq", &t4_ntxq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, ntxq, CTLFLAG_RDTUN, &t4_ntxq, 0, + "Number of TX queues per port"); TUNABLE_INT("hw.cxgbe.ntxq10g", &t4_ntxq); /* Old name, undocumented */ #define NRXQ 8 int t4_nrxq = -NRXQ; -TUNABLE_INT("hw.cxgbe.nrxq", &t4_nrxq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nrxq, CTLFLAG_RDTUN, &t4_nrxq, 0, + "Number of RX queues per port"); TUNABLE_INT("hw.cxgbe.nrxq10g", &t4_nrxq); /* Old name, undocumented */ #define NTXQ_VI 1 static int t4_ntxq_vi = -NTXQ_VI; -TUNABLE_INT("hw.cxgbe.ntxq_vi", &t4_ntxq_vi); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, ntxq_vi, CTLFLAG_RDTUN, &t4_ntxq_vi, 0, + "Number of TX queues per VI"); #define NRXQ_VI 1 static int t4_nrxq_vi = -NRXQ_VI; -TUNABLE_INT("hw.cxgbe.nrxq_vi", &t4_nrxq_vi); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nrxq_vi, CTLFLAG_RDTUN, &t4_nrxq_vi, 0, + "Number of RX queues per VI"); static int t4_rsrv_noflowq = 0; -TUNABLE_INT("hw.cxgbe.rsrv_noflowq", &t4_rsrv_noflowq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, rsrv_noflowq, CTLFLAG_RDTUN, &t4_rsrv_noflowq, + 0, "Reserve TX queue 0 of each VI for non-flowid packets"); #if defined(TCP_OFFLOAD) || defined(RATELIMIT) #define NOFLDTXQ 8 static int t4_nofldtxq = -NOFLDTXQ; -TUNABLE_INT("hw.cxgbe.nofldtxq", &t4_nofldtxq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldtxq, CTLFLAG_RDTUN, &t4_nofldtxq, 0, + "Number of offload TX queues per port"); #define NOFLDRXQ 2 static int t4_nofldrxq = -NOFLDRXQ; -TUNABLE_INT("hw.cxgbe.nofldrxq", &t4_nofldrxq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldrxq, CTLFLAG_RDTUN, &t4_nofldrxq, 0, + "Number of offload RX queues per port"); #define NOFLDTXQ_VI 1 static int t4_nofldtxq_vi = -NOFLDTXQ_VI; -TUNABLE_INT("hw.cxgbe.nofldtxq_vi", &t4_nofldtxq_vi); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldtxq_vi, CTLFLAG_RDTUN, &t4_nofldtxq_vi, 0, + "Number of offload TX queues per VI"); #define NOFLDRXQ_VI 1 static int t4_nofldrxq_vi = -NOFLDRXQ_VI; -TUNABLE_INT("hw.cxgbe.nofldrxq_vi", &t4_nofldrxq_vi); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldrxq_vi, CTLFLAG_RDTUN, &t4_nofldrxq_vi, 0, + "Number of offload RX queues per VI"); #define TMR_IDX_OFLD 1 int t4_tmr_idx_ofld = TMR_IDX_OFLD; -TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_ofld", &t4_tmr_idx_ofld); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_timer_idx_ofld, CTLFLAG_RDTUN, + &t4_tmr_idx_ofld, 0, "Holdoff timer index for offload queues"); #define PKTC_IDX_OFLD (-1) int t4_pktc_idx_ofld = PKTC_IDX_OFLD; -TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_ofld", &t4_pktc_idx_ofld); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_pktc_idx_ofld, CTLFLAG_RDTUN, + &t4_pktc_idx_ofld, 0, "holdoff packet counter index for offload queues"); /* 0 means chip/fw default, non-zero number is value in microseconds */ static u_long t4_toe_keepalive_idle = 0; -TUNABLE_ULONG("hw.cxgbe.toe.keepalive_idle", &t4_toe_keepalive_idle); +SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, keepalive_idle, CTLFLAG_RDTUN, + &t4_toe_keepalive_idle, 0, "TOE keepalive idle timer (us)"); /* 0 means chip/fw default, non-zero number is value in microseconds */ static u_long t4_toe_keepalive_interval = 0; -TUNABLE_ULONG("hw.cxgbe.toe.keepalive_interval", &t4_toe_keepalive_interval); +SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, keepalive_interval, CTLFLAG_RDTUN, + &t4_toe_keepalive_interval, 0, "TOE keepalive interval timer (us)"); /* 0 means chip/fw default, non-zero number is # of keepalives before abort */ static int t4_toe_keepalive_count = 0; -TUNABLE_INT("hw.cxgbe.toe.keepalive_count", &t4_toe_keepalive_count); +SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, keepalive_count, CTLFLAG_RDTUN, + &t4_toe_keepalive_count, 0, "Number of TOE keepalive probes before abort"); /* 0 means chip/fw default, non-zero number is value in microseconds */ static u_long t4_toe_rexmt_min = 0; -TUNABLE_ULONG("hw.cxgbe.toe.rexmt_min", &t4_toe_rexmt_min); +SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, rexmt_min, CTLFLAG_RDTUN, + &t4_toe_rexmt_min, 0, "Minimum TOE retransmit interval (us)"); /* 0 means chip/fw default, non-zero number is value in microseconds */ static u_long t4_toe_rexmt_max = 0; -TUNABLE_ULONG("hw.cxgbe.toe.rexmt_max", &t4_toe_rexmt_max); +SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, rexmt_max, CTLFLAG_RDTUN, + &t4_toe_rexmt_max, 0, "Maximum TOE retransmit interval (us)"); /* 0 means chip/fw default, non-zero number is # of rexmt before abort */ static int t4_toe_rexmt_count = 0; -TUNABLE_INT("hw.cxgbe.toe.rexmt_count", &t4_toe_rexmt_count); +SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, rexmt_count, CTLFLAG_RDTUN, + &t4_toe_rexmt_count, 0, "Number of TOE retransmissions before abort"); /* -1 means chip/fw default, other values are raw backoff values to use */ static int t4_toe_rexmt_backoff[16] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.0", &t4_toe_rexmt_backoff[0]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.1", &t4_toe_rexmt_backoff[1]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.2", &t4_toe_rexmt_backoff[2]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.3", &t4_toe_rexmt_backoff[3]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.4", &t4_toe_rexmt_backoff[4]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.5", &t4_toe_rexmt_backoff[5]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.6", &t4_toe_rexmt_backoff[6]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.7", &t4_toe_rexmt_backoff[7]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.8", &t4_toe_rexmt_backoff[8]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.9", &t4_toe_rexmt_backoff[9]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.10", &t4_toe_rexmt_backoff[10]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.11", &t4_toe_rexmt_backoff[11]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.12", &t4_toe_rexmt_backoff[12]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.13", &t4_toe_rexmt_backoff[13]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.14", &t4_toe_rexmt_backoff[14]); -TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.15", &t4_toe_rexmt_backoff[15]); +SYSCTL_NODE(_hw_cxgbe_toe, OID_AUTO, rexmt_backoff, CTLFLAG_RD, 0, + "cxgbe(4) TOE retransmit backoff values"); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 0, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[0], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 1, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[1], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 2, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[2], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 3, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[3], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 4, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[4], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 5, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[5], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 6, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[6], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 7, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[7], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 8, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[8], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 9, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[9], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 10, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[10], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 11, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[11], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 12, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[12], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 13, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[13], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 14, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[14], 0, ""); +SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 15, CTLFLAG_RDTUN, + &t4_toe_rexmt_backoff[15], 0, ""); #endif #ifdef DEV_NETMAP #define NNMTXQ_VI 2 static int t4_nnmtxq_vi = -NNMTXQ_VI; -TUNABLE_INT("hw.cxgbe.nnmtxq_vi", &t4_nnmtxq_vi); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmtxq_vi, CTLFLAG_RDTUN, &t4_nnmtxq_vi, 0, + "Number of netmap TX queues per VI"); #define NNMRXQ_VI 2 static int t4_nnmrxq_vi = -NNMRXQ_VI; -TUNABLE_INT("hw.cxgbe.nnmrxq_vi", &t4_nnmrxq_vi); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmrxq_vi, CTLFLAG_RDTUN, &t4_nnmrxq_vi, 0, + "Number of netmap RX queues per VI"); #endif /* @@ -364,28 +404,33 @@ TUNABLE_INT("hw.cxgbe.nnmrxq_vi", &t4_nnmrxq_vi); */ #define TMR_IDX 1 int t4_tmr_idx = TMR_IDX; -TUNABLE_INT("hw.cxgbe.holdoff_timer_idx", &t4_tmr_idx); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_timer_idx, CTLFLAG_RDTUN, &t4_tmr_idx, + 0, "Holdoff timer index"); TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_10G", &t4_tmr_idx); /* Old name */ #define PKTC_IDX (-1) int t4_pktc_idx = PKTC_IDX; -TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx", &t4_pktc_idx); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_pktc_idx, CTLFLAG_RDTUN, &t4_pktc_idx, + 0, "Holdoff packet counter index"); TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_10G", &t4_pktc_idx); /* Old name */ /* * Size (# of entries) of each tx and rx queue. */ unsigned int t4_qsize_txq = TX_EQ_QSIZE; -TUNABLE_INT("hw.cxgbe.qsize_txq", &t4_qsize_txq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, qsize_txq, CTLFLAG_RDTUN, &t4_qsize_txq, 0, + "Number of descriptors in each TX queue"); unsigned int t4_qsize_rxq = RX_IQ_QSIZE; -TUNABLE_INT("hw.cxgbe.qsize_rxq", &t4_qsize_rxq); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, qsize_rxq, CTLFLAG_RDTUN, &t4_qsize_rxq, 0, + "Number of descriptors in each RX queue"); /* * Interrupt types allowed (bits 0, 1, 2 = INTx, MSI, MSI-X respectively). */ int t4_intr_types = INTR_MSIX | INTR_MSI | INTR_INTX; -TUNABLE_INT("hw.cxgbe.interrupt_types", &t4_intr_types); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, interrupt_types, CTLFLAG_RDTUN, &t4_intr_types, + 0, "Interrupt types allowed (bit 0 = INTx, 1 = MSI, 2 = MSI-X)"); /* * Configuration file. All the _CF names here are special. @@ -396,7 +441,8 @@ TUNABLE_INT("hw.cxgbe.interrupt_types", &t4_intr_types #define UWIRE_CF "uwire" #define FPGA_CF "fpga" static char t4_cfg_file[32] = DEFAULT_CF; -TUNABLE_STR("hw.cxgbe.config_file", t4_cfg_file, sizeof(t4_cfg_file)); +SYSCTL_STRING(_hw_cxgbe, OID_AUTO, config_file, CTLFLAG_RDTUN, t4_cfg_file, + sizeof(t4_cfg_file), "Firmware configuration file"); /* * PAUSE settings (bit 0, 1, 2 = rx_pause, tx_pause, pause_autoneg respectively). @@ -408,7 +454,9 @@ TUNABLE_STR("hw.cxgbe.config_file", t4_cfg_file, sizeo * Otherwise rx_pause/tx_pause are applied forcibly. */ static int t4_pause_settings = PAUSE_RX | PAUSE_TX | PAUSE_AUTONEG; -TUNABLE_INT("hw.cxgbe.pause_settings", &t4_pause_settings); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, pause_settings, CTLFLAG_RDTUN, + &t4_pause_settings, 0, + "PAUSE settings (bit 0 = rx_pause, 1 = tx_pause, 2 = pause_autoneg)"); /* * Forward Error Correction settings (bit 0, 1 = RS, BASER respectively). @@ -416,7 +464,8 @@ TUNABLE_INT("hw.cxgbe.pause_settings", &t4_pause_setti * 0 to disable FEC. */ static int t4_fec = -1; -TUNABLE_INT("hw.cxgbe.fec", &t4_fec); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, fec, CTLFLAG_RDTUN, &t4_fec, 0, + "Forward Error Correction (bit 0 = RS, bit 1 = BASER_RS)"); /* * Link autonegotiation. @@ -425,28 +474,33 @@ TUNABLE_INT("hw.cxgbe.fec", &t4_fec); * 1 to enable. */ static int t4_autoneg = -1; -TUNABLE_INT("hw.cxgbe.autoneg", &t4_autoneg); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, autoneg, CTLFLAG_RDTUN, &t4_autoneg, 0, + "Link autonegotiation"); /* * Firmware auto-install by driver during attach (0, 1, 2 = prohibited, allowed, * encouraged respectively). */ static unsigned int t4_fw_install = 1; -TUNABLE_INT("hw.cxgbe.fw_install", &t4_fw_install); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, fw_install, CTLFLAG_RDTUN, &t4_fw_install, 0, + "Firmware auto-install (0 = prohibited, 1 = allowed, 2 = encouraged)"); /* * ASIC features that will be used. Disable the ones you don't want so that the * chip resources aren't wasted on features that will not be used. */ static int t4_nbmcaps_allowed = 0; -TUNABLE_INT("hw.cxgbe.nbmcaps_allowed", &t4_nbmcaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nbmcaps_allowed, CTLFLAG_RDTUN, + &t4_nbmcaps_allowed, 0, "Default NBM capabilities"); static int t4_linkcaps_allowed = 0; /* No DCBX, PPP, etc. by default */ -TUNABLE_INT("hw.cxgbe.linkcaps_allowed", &t4_linkcaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, linkcaps_allowed, CTLFLAG_RDTUN, + &t4_linkcaps_allowed, 0, "Default link capabilities"); static int t4_switchcaps_allowed = FW_CAPS_CONFIG_SWITCH_INGRESS | FW_CAPS_CONFIG_SWITCH_EGRESS; -TUNABLE_INT("hw.cxgbe.switchcaps_allowed", &t4_switchcaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, switchcaps_allowed, CTLFLAG_RDTUN, + &t4_switchcaps_allowed, 0, "Default switch capabilities"); #ifdef RATELIMIT static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC | @@ -455,28 +509,37 @@ static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC | static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC | FW_CAPS_CONFIG_NIC_HASHFILTER; #endif -TUNABLE_INT("hw.cxgbe.niccaps_allowed", &t4_niccaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, niccaps_allowed, CTLFLAG_RDTUN, + &t4_niccaps_allowed, 0, "Default NIC capabilities"); static int t4_toecaps_allowed = -1; -TUNABLE_INT("hw.cxgbe.toecaps_allowed", &t4_toecaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, toecaps_allowed, CTLFLAG_RDTUN, + &t4_toecaps_allowed, 0, "Default TCP offload capabilities"); static int t4_rdmacaps_allowed = -1; -TUNABLE_INT("hw.cxgbe.rdmacaps_allowed", &t4_rdmacaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, rdmacaps_allowed, CTLFLAG_RDTUN, + &t4_rdmacaps_allowed, 0, "Default RDMA capabilities"); static int t4_cryptocaps_allowed = -1; -TUNABLE_INT("hw.cxgbe.cryptocaps_allowed", &t4_cryptocaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, cryptocaps_allowed, CTLFLAG_RDTUN, + &t4_cryptocaps_allowed, 0, "Default crypto capabilities"); static int t4_iscsicaps_allowed = -1; -TUNABLE_INT("hw.cxgbe.iscsicaps_allowed", &t4_iscsicaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, iscsicaps_allowed, CTLFLAG_RDTUN, + &t4_iscsicaps_allowed, 0, "Default iSCSI capabilities"); static int t4_fcoecaps_allowed = 0; -TUNABLE_INT("hw.cxgbe.fcoecaps_allowed", &t4_fcoecaps_allowed); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, fcoecaps_allowed, CTLFLAG_RDTUN, + &t4_fcoecaps_allowed, 0, "Default FCoE capabilities"); static int t5_write_combine = 0; -TUNABLE_INT("hw.cxl.write_combine", &t5_write_combine); +SYSCTL_INT(_hw_cxl, OID_AUTO, write_combine, CTLFLAG_RDTUN, &t5_write_combine, + 0, "Use WC instead of UC for BAR2"); static int t4_num_vis = 1; -TUNABLE_INT("hw.cxgbe.num_vis", &t4_num_vis); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, num_vis, CTLFLAG_RDTUN, &t4_num_vis, 0, + "Number of VIs per port"); + /* * PCIe Relaxed Ordering. * -1: driver should figure out a good value. @@ -485,17 +548,22 @@ TUNABLE_INT("hw.cxgbe.num_vis", &t4_num_vis); * 2: leave RO alone. */ static int pcie_relaxed_ordering = -1; -TUNABLE_INT("hw.cxgbe.pcie_relaxed_ordering", &pcie_relaxed_ordering); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, pcie_relaxed_ordering, CTLFLAG_RDTUN, + &pcie_relaxed_ordering, 0, + "PCIe Relaxed Ordering: 0 = disable, 1 = enable, 2 = leave alone"); static int t4_panic_on_fatal_err = 0; -TUNABLE_INT("hw.cxgbe.panic_on_fatal_err", &t4_panic_on_fatal_err); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, panic_on_fatal_err, CTLFLAG_RDTUN, + &t4_panic_on_fatal_err, 0, "panic on fatal firmware errors"); #ifdef TCP_OFFLOAD /* * TOE tunables. */ static int t4_cop_managed_offloading = 0; -TUNABLE_INT("hw.cxgbe.cop_managed_offloading", &t4_cop_managed_offloading); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, cop_managed_offloading, CTLFLAG_RDTUN, + &t4_cop_managed_offloading, 0, + "COP (Connection Offload Policy) controls all TOE offload"); #endif /* Functions used by VIs to obtain unique MAC addresses for each VI. */ @@ -6210,7 +6278,7 @@ cxgbe_sysctls(struct port_info *pi) SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pause_settings", CTLTYPE_STRING | CTLFLAG_RW, pi, 0, sysctl_pause_settings, "A", - "PAUSE settings (bit 0 = rx_pause, bit 1 = tx_pause)"); + "PAUSE settings (bit 0 = rx_pause, 1 = tx_pause, 2 = pause_autoneg)"); SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fec", CTLTYPE_STRING | CTLFLAG_RW, pi, 0, sysctl_fec, "A", "Forward Error Correction (bit 0 = RS, bit 1 = BASER_RS)"); Modified: head/sys/dev/cxgbe/t4_netmap.c ============================================================================== --- head/sys/dev/cxgbe/t4_netmap.c Tue Nov 27 21:49:59 2018 (r341097) +++ head/sys/dev/cxgbe/t4_netmap.c Tue Nov 27 22:02:54 2018 (r341098) @@ -57,8 +57,6 @@ __FBSDID("$FreeBSD$"); extern int fl_pad; /* XXXNM */ -SYSCTL_NODE(_hw, OID_AUTO, cxgbe, CTLFLAG_RD, 0, "cxgbe netmap parameters"); - /* * 0 = normal netmap rx * 1 = black hole @@ -87,7 +85,9 @@ SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_holdoff_tmr_idx, CT * 1: no backpressure, drop packets for the congested queue immediately. */ static int nm_cong_drop = 1; -TUNABLE_INT("hw.cxgbe.nm_cong_drop", &nm_cong_drop); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_cong_drop, CTLFLAG_RDTUN, + &nm_cong_drop, 0, + "Congestion control for netmap rx queues (0 = backpressure, 1 = drop"); int starve_fl = 0; SYSCTL_INT(_hw_cxgbe, OID_AUTO, starve_fl, CTLFLAG_RWTUN, Modified: head/sys/dev/cxgbe/t4_sge.c ============================================================================== --- head/sys/dev/cxgbe/t4_sge.c Tue Nov 27 21:49:59 2018 (r341097) +++ head/sys/dev/cxgbe/t4_sge.c Tue Nov 27 22:02:54 2018 (r341098) @@ -90,7 +90,8 @@ __FBSDID("$FreeBSD$"); * 0-7 are valid values. */ static int fl_pktshift = 0; -TUNABLE_INT("hw.cxgbe.fl_pktshift", &fl_pktshift); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, fl_pktshift, CTLFLAG_RDTUN, &fl_pktshift, 0, + "payload DMA offset in rx buffer (bytes)"); /* * Pad ethernet payload up to this boundary. @@ -99,7 +100,8 @@ TUNABLE_INT("hw.cxgbe.fl_pktshift", &fl_pktshift); * Any power of 2 from 32 to 4096 (both inclusive) is also a valid value. */ int fl_pad = -1; -TUNABLE_INT("hw.cxgbe.fl_pad", &fl_pad); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, fl_pad, CTLFLAG_RDTUN, &fl_pad, 0, + "payload pad boundary (bytes)"); /* * Status page length. @@ -107,7 +109,8 @@ TUNABLE_INT("hw.cxgbe.fl_pad", &fl_pad); * 64 or 128 are the only other valid values. */ static int spg_len = -1; -TUNABLE_INT("hw.cxgbe.spg_len", &spg_len); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, spg_len, CTLFLAG_RDTUN, &spg_len, 0, + "status page size (bytes)"); /* * Congestion drops. @@ -116,7 +119,8 @@ TUNABLE_INT("hw.cxgbe.spg_len", &spg_len); * 1: no backpressure, drop packets for the congested queue immediately. */ static int cong_drop = 0; -TUNABLE_INT("hw.cxgbe.cong_drop", &cong_drop); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, cong_drop, CTLFLAG_RDTUN, &cong_drop, 0, + "Congestion control for RX queues (0 = backpressure, 1 = drop"); /* * Deliver multiple frames in the same free list buffer if they fit. @@ -125,7 +129,8 @@ TUNABLE_INT("hw.cxgbe.cong_drop", &cong_drop); * 1: enable buffer packing. */ static int buffer_packing = -1; -TUNABLE_INT("hw.cxgbe.buffer_packing", &buffer_packing); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, buffer_packing, CTLFLAG_RDTUN, &buffer_packing, + 0, "Enable buffer packing"); /* * Start next frame in a packed buffer at this boundary. @@ -134,7 +139,8 @@ TUNABLE_INT("hw.cxgbe.buffer_packing", &buffer_packing * T5: 16, or a power of 2 from 64 to 4096 (both inclusive) is a valid value. */ static int fl_pack = -1; -TUNABLE_INT("hw.cxgbe.fl_pack", &fl_pack); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, fl_pack, CTLFLAG_RDTUN, &fl_pack, 0, + "payload pack boundary (bytes)"); /* * Allow the driver to create mbuf(s) in a cluster allocated for rx. @@ -142,20 +148,24 @@ TUNABLE_INT("hw.cxgbe.fl_pack", &fl_pack); * 1: ok to create mbuf(s) within a cluster if there is room. */ static int allow_mbufs_in_cluster = 1; -TUNABLE_INT("hw.cxgbe.allow_mbufs_in_cluster", &allow_mbufs_in_cluster); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, allow_mbufs_in_cluster, CTLFLAG_RDTUN, + &allow_mbufs_in_cluster, 0, + "Allow driver to create mbufs within a rx cluster"); /* * Largest rx cluster size that the driver is allowed to allocate. */ static int largest_rx_cluster = MJUM16BYTES; -TUNABLE_INT("hw.cxgbe.largest_rx_cluster", &largest_rx_cluster); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, largest_rx_cluster, CTLFLAG_RDTUN, + &largest_rx_cluster, 0, "Largest rx cluster (bytes)"); /* * Size of cluster allocation that's most likely to succeed. The driver will * fall back to this size if it fails to allocate clusters larger than this. */ static int safest_rx_cluster = PAGE_SIZE; -TUNABLE_INT("hw.cxgbe.safest_rx_cluster", &safest_rx_cluster); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, safest_rx_cluster, CTLFLAG_RDTUN, + &safest_rx_cluster, 0, "Safe rx cluster (bytes)"); #ifdef RATELIMIT /* @@ -168,10 +178,12 @@ TUNABLE_INT("hw.cxgbe.safest_rx_cluster", &safest_rx_c * 3: 1us */ static int tsclk = -1; -TUNABLE_INT("hw.cxgbe.tsclk", &tsclk); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, tsclk, CTLFLAG_RDTUN, &tsclk, 0, + "Control TCP timestamp rewriting when using pacing"); static int eo_max_backlog = 1024 * 1024; -TUNABLE_INT("hw.cxgbe.eo_max_backlog", &eo_max_backlog); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, eo_max_backlog, CTLFLAG_RDTUN, &eo_max_backlog, + 0, "Maximum backlog of ratelimited data per flow"); #endif /* @@ -179,19 +191,22 @@ TUNABLE_INT("hw.cxgbe.eo_max_backlog", &eo_max_backlog * 1 and 3-17 (both inclusive) are legal values. */ static int tscale = 1; -TUNABLE_INT("hw.cxgbe.tscale", &tscale); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, tscale, CTLFLAG_RDTUN, &tscale, 0, + "Interrupt holdoff timer scale on T6+"); /* * Number of LRO entries in the lro_ctrl structure per rx queue. */ static int lro_entries = TCP_LRO_ENTRIES; -TUNABLE_INT("hw.cxgbe.lro_entries", &lro_entries); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, lro_entries, CTLFLAG_RDTUN, &lro_entries, 0, + "Number of LRO entries per RX queue"); /* * This enables presorting of frames before they're fed into tcp_lro_rx. */ static int lro_mbufs = 0; -TUNABLE_INT("hw.cxgbe.lro_mbufs", &lro_mbufs); +SYSCTL_INT(_hw_cxgbe, OID_AUTO, lro_mbufs, CTLFLAG_RDTUN, &lro_mbufs, 0, + "Enable presorting of LRO frames"); struct txpkts { u_int wr_type; /* type 0 or type 1 */
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