git: cfdca95f7834 - main - if_bnxt: Add support for RSS on Thor
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Date: Fri, 04 Nov 2022 22:55:51 UTC
The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=cfdca95f7834d2c10749fb14e12495d8aa7d1be0 commit cfdca95f7834d2c10749fb14e12495d8aa7d1be0 Author: Sumit Saxena <sumit.saxena@broadcom.com> AuthorDate: 2022-11-04 22:21:20 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2022-11-04 22:21:20 +0000 if_bnxt: Add support for RSS on Thor Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D36442 --- sys/dev/bnxt/bnxt_hwrm.c | 9 +++++---- sys/dev/bnxt/if_bnxt.c | 28 +++++++++++++++++++--------- 2 files changed, 24 insertions(+), 13 deletions(-) diff --git a/sys/dev/bnxt/bnxt_hwrm.c b/sys/dev/bnxt/bnxt_hwrm.c index 91e6865449ac..ebcfc5ef03ff 100644 --- a/sys/dev/bnxt/bnxt_hwrm.c +++ b/sys/dev/bnxt/bnxt_hwrm.c @@ -1494,16 +1494,17 @@ bnxt_hwrm_rss_cfg(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic, { struct hwrm_vnic_rss_cfg_input req = {0}; - /* TBD */ - if (BNXT_CHIP_P5(softc)) - return 0; - bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_VNIC_RSS_CFG); req.hash_type = htole32(hash_type); req.ring_grp_tbl_addr = htole64(vnic->rss_grp_tbl.idi_paddr); req.hash_key_tbl_addr = htole64(vnic->rss_hash_key_tbl.idi_paddr); req.rss_ctx_idx = htole16(vnic->rss_id); + req.hash_mode_flags = HWRM_FUNC_SPD_CFG_INPUT_HASH_MODE_FLAGS_DEFAULT; + if (BNXT_CHIP_P5(softc)) { + req.vnic_id = htole16(vnic->id); + req.ring_table_pair_index = 0x0; + } return hwrm_send_message(softc, &req, sizeof(req)); } diff --git a/sys/dev/bnxt/if_bnxt.c b/sys/dev/bnxt/if_bnxt.c index 6b4e7b516b67..c63b47da4a89 100644 --- a/sys/dev/bnxt/if_bnxt.c +++ b/sys/dev/bnxt/if_bnxt.c @@ -1719,6 +1719,23 @@ bnxt_func_reset(struct bnxt_softc *softc) return; } +static void +bnxt_rss_grp_tbl_init(struct bnxt_softc *softc) +{ + uint16_t *rgt = (uint16_t *) softc->vnic_info.rss_grp_tbl.idi_vaddr; + int i, j; + + for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) { + if (BNXT_CHIP_P5(softc)) { + rgt[i++] = htole16(softc->rx_rings[j].phys_id); + rgt[i] = htole16(softc->rx_cp_rings[j].ring.phys_id); + } else { + rgt[i] = htole16(softc->grp_info[j].grp_id); + } + if (++j == softc->nrxqsets) + j = 0; + } +} /* Device configuration */ static void @@ -1726,7 +1743,7 @@ bnxt_init(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct ifmediareq ifmr; - int i, j; + int i; int rc; if (!BNXT_CHIP_P5(softc)) { @@ -1837,14 +1854,7 @@ skip_def_cp_ring: if (rc) goto fail; - /* Enable RSS on the VNICs */ - for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) { - ((uint16_t *) - softc->vnic_info.rss_grp_tbl.idi_vaddr)[i] = - htole16(softc->grp_info[j].grp_id); - if (++j == softc->nrxqsets) - j = 0; - } + bnxt_rss_grp_tbl_init(softc); rc = bnxt_hwrm_rss_cfg(softc, &softc->vnic_info, softc->vnic_info.rss_hash_type);