The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=fb4b7e02d236c2c06a87fc3dacd8af6bcfbfb5c1
commit fb4b7e02d236c2c06a87fc3dacd8af6bcfbfb5c1 Author: Sumit Saxena <[email protected]> AuthorDate: 2022-11-04 22:14:49 +0000 Commit: Warner Losh <[email protected]> CommitDate: 2022-11-04 22:14:49 +0000 if_bnxt: Add support for async link status update Reivewed by: imp Differential Revision: https://reviews.freebsd.org/D36440 --- sys/dev/bnxt/bnxt.h | 4 +++ sys/dev/bnxt/bnxt_hwrm.c | 27 +++++++---------- sys/dev/bnxt/if_bnxt.c | 75 +++++++++++++++++++++++++++++++++++++----------- 3 files changed, 73 insertions(+), 33 deletions(-) diff --git a/sys/dev/bnxt/bnxt.h b/sys/dev/bnxt/bnxt.h index 61c0a0f8bd36..753d1aac92de 100644 --- a/sys/dev/bnxt/bnxt.h +++ b/sys/dev/bnxt/bnxt.h @@ -36,6 +36,7 @@ __FBSDID("$FreeBSD$"); #include <sys/socket.h> #include <sys/sysctl.h> #include <sys/taskqueue.h> +#include <sys/bitstring.h> #include <machine/bus.h> @@ -666,6 +667,9 @@ struct bnxt_softc { #define BNXT_FLAG_CHIP_P5 0x0020 #define BNXT_FLAG_TPA 0x0040 uint32_t flags; +#define BNXT_STATE_LINK_CHANGE (0) +#define BNXT_STATE_MAX (BNXT_STATE_LINK_CHANGE + 1) + bitstr_t *state_bv; uint32_t total_msix; struct bnxt_func_info func; diff --git a/sys/dev/bnxt/bnxt_hwrm.c b/sys/dev/bnxt/bnxt_hwrm.c index 761b08f6925d..eb1c60ac35d6 100644 --- a/sys/dev/bnxt/bnxt_hwrm.c +++ b/sys/dev/bnxt/bnxt_hwrm.c @@ -30,7 +30,6 @@ __FBSDID("$FreeBSD$"); #include <sys/endian.h> -#include <sys/bitstring.h> #include "bnxt.h" #include "bnxt_hwrm.h" @@ -1511,28 +1510,22 @@ int bnxt_cfg_async_cr(struct bnxt_softc *softc) { int rc = 0; + struct hwrm_func_cfg_input req = {0}; - if (BNXT_PF(softc)) { - struct hwrm_func_cfg_input req = {0}; + if (!BNXT_PF(softc)) + return 0; - bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_FUNC_CFG); + bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_FUNC_CFG); - req.fid = htole16(0xffff); - req.enables = htole32(HWRM_FUNC_CFG_INPUT_ENABLES_ASYNC_EVENT_CR); + req.fid = htole16(0xffff); + req.enables = htole32(HWRM_FUNC_CFG_INPUT_ENABLES_ASYNC_EVENT_CR); + if (BNXT_CHIP_P5(softc)) + req.async_event_cr = htole16(softc->nq_rings[0].ring.phys_id); + else req.async_event_cr = htole16(softc->def_cp_ring.ring.phys_id); - rc = hwrm_send_message(softc, &req, sizeof(req)); - } - else { - struct hwrm_func_vf_cfg_input req = {0}; - - bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_FUNC_VF_CFG); - - req.enables = htole32(HWRM_FUNC_VF_CFG_INPUT_ENABLES_ASYNC_EVENT_CR); - req.async_event_cr = htole16(softc->def_cp_ring.ring.phys_id); + rc = hwrm_send_message(softc, &req, sizeof(req)); - rc = hwrm_send_message(softc, &req, sizeof(req)); - } return rc; } diff --git a/sys/dev/bnxt/if_bnxt.c b/sys/dev/bnxt/if_bnxt.c index 06b5bbfb907e..6b4e7b516b67 100644 --- a/sys/dev/bnxt/if_bnxt.c +++ b/sys/dev/bnxt/if_bnxt.c @@ -1514,6 +1514,8 @@ bnxt_attach_pre(if_ctx_t ctx) /* Initialize the vlan list */ SLIST_INIT(&softc->vnic_info.vlan_tags); softc->vnic_info.vlan_tag_list.idi_vaddr = NULL; + softc->state_bv = bit_alloc(BNXT_STATE_MAX, M_DEVBUF, + M_WAITOK|M_ZERO); return (rc); @@ -1609,6 +1611,7 @@ bnxt_detach(if_ctx_t ctx) bnxt_free_hwrm_short_cmd_req(softc); BNXT_HWRM_LOCK_DESTROY(softc); + free(softc->state_bv, M_DEVBUF); pci_disable_busmaster(softc->dev); bnxt_pci_mapping_free(softc); @@ -1746,11 +1749,6 @@ bnxt_init(if_ctx_t ctx) if (rc) goto fail; skip_def_cp_ring: - /* And now set the default CP ring as the async CP ring */ - rc = bnxt_cfg_async_cr(softc); - if (rc) - goto fail; - for (i = 0; i < softc->nrxqsets; i++) { /* Allocate the statistics context */ rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->rx_cp_rings[i], @@ -1813,6 +1811,11 @@ skip_def_cp_ring: goto fail; } + /* And now set the default CP / NQ ring for the async */ + rc = bnxt_cfg_async_cr(softc); + if (rc) + goto fail; + /* Allocate the VNIC RSS context */ rc = bnxt_hwrm_vnic_ctx_alloc(softc, &softc->vnic_info.rss_id); if (rc) @@ -2138,10 +2141,20 @@ bnxt_update_admin_status(if_ctx_t ctx) /* * When SR-IOV is enabled, avoid each VF sending this HWRM - * request every sec with which firmware timeouts can happen - */ - if (BNXT_PF(softc)) { - bnxt_hwrm_port_qstats(softc); + * request every sec with which firmware timeouts can happen + */ + if (!BNXT_PF(softc)) + return; + + bnxt_hwrm_port_qstats(softc); + + if (BNXT_CHIP_P5(softc)) { + struct ifmediareq ifmr; + + if (bit_test(softc->state_bv, BNXT_STATE_LINK_CHANGE)) { + bit_clear(softc->state_bv, BNXT_STATE_LINK_CHANGE); + bnxt_media_status(softc->ctx, &ifmr); + } } return; @@ -2155,7 +2168,7 @@ bnxt_if_timer(if_ctx_t ctx, uint16_t qid) uint64_t ticks_now = ticks; /* Schedule bnxt_update_admin_status() once per sec */ - if (ticks_now - softc->admin_ticks >= hz) { + if (ticks_now - softc->admin_ticks >= hz) { softc->admin_ticks = ticks_now; iflib_admin_intr_deferred(ctx); } @@ -2222,6 +2235,34 @@ bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid) return 0; } +static void +bnxt_process_cmd_cmpl(struct bnxt_softc *softc, hwrm_cmpl_t *cmd_cmpl) +{ + device_printf(softc->dev, "cmd sequence number %d\n", + cmd_cmpl->sequence_id); + return; +} + +static void +bnxt_process_async_msg(struct bnxt_cp_ring *cpr, tx_cmpl_t *cmpl) +{ + struct bnxt_softc *softc = cpr->ring.softc; + uint16_t type = cmpl->flags_type & TX_CMPL_TYPE_MASK; + + switch (type) { + case HWRM_CMPL_TYPE_HWRM_DONE: + bnxt_process_cmd_cmpl(softc, (hwrm_cmpl_t *)cmpl); + break; + case HWRM_ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT: + bnxt_handle_async_event(softc, (cmpl_base_t *) cmpl); + break; + default: + device_printf(softc->dev, "%s:%d Unhandled async message %x\n", + __FUNCTION__, __LINE__, type); + break; + } +} + static void process_nq(struct bnxt_softc *softc, uint16_t nqid) { @@ -2235,14 +2276,13 @@ process_nq(struct bnxt_softc *softc, uint16_t nqid) if (!NQ_VALID(&cmp[cons], v_bit)) goto done; - NEXT_CP_CONS_V(&cpr->ring, cons, v_bit); - nqe_cnt++; - nq_type = NQ_CN_TYPE_MASK & cmp[cons].type; - /* TBD - Handle Async events */ if (nq_type != NQ_CN_TYPE_CQ_NOTIFICATION) - device_printf(softc->dev, "%s: %d nq_type 0x%x\n", __FUNCTION__, __LINE__, nq_type); + bnxt_process_async_msg(cpr, (tx_cmpl_t *)&cmp[cons]); + + NEXT_CP_CONS_V(&cpr->ring, cons, v_bit); + nqe_cnt++; } done: if (nqe_cnt) { @@ -3110,7 +3150,10 @@ bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl) case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: - bnxt_media_status(softc->ctx, &ifmr); + if (BNXT_CHIP_P5(softc)) + bit_set(softc->state_bv, BNXT_STATE_LINK_CHANGE); + else + bnxt_media_status(softc->ctx, &ifmr); break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_MTU_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE:
