bnxt_en: Reserve 1 stat_ctx for RDMA driver.
bnxt_en requires same number of stat_ctxs as CP rings but RDMA requires only 1 stat_ctx. Also add a new parameter resv_stat_ctxs to better keep track of stat_ctxs reserved including resources used by RDMA. Add a stat_ctxs parameter to all the relevant resource reservation functions so we can reserve the correct number of stat_ctxs. Prior to this patch, we were not reserving the extra stat_ctx for RDMA and RDMA would not work on the new 57500 chips. Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>hifive-unleashed-5.1
Vasundhara Volam
David S. Miller
parent
f4e896142d
commit
780baad44f
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@ -5161,7 +5161,6 @@ static int bnxt_hwrm_get_rings(struct bnxt *bp)
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hw_resc->resv_vnics = le16_to_cpu(resp->alloc_vnics);
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cp = le16_to_cpu(resp->alloc_cmpl_rings);
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stats = le16_to_cpu(resp->alloc_stat_ctx);
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cp = min_t(u16, cp, stats);
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hw_resc->resv_irqs = cp;
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if (bp->flags & BNXT_FLAG_CHIP_P5) {
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int rx = hw_resc->resv_rx_rings;
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@ -5180,6 +5179,7 @@ static int bnxt_hwrm_get_rings(struct bnxt *bp)
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hw_resc->resv_hw_ring_grps = rx;
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}
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hw_resc->resv_cp_rings = cp;
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hw_resc->resv_stat_ctxs = stats;
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}
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mutex_unlock(&bp->hwrm_cmd_lock);
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return 0;
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@ -5209,7 +5209,7 @@ static bool bnxt_rfs_supported(struct bnxt *bp);
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static void
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__bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
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int tx_rings, int rx_rings, int ring_grps,
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int cp_rings, int vnics)
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int cp_rings, int stats, int vnics)
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{
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u32 enables = 0;
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@ -5251,7 +5251,7 @@ __bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
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req->num_rsscos_ctxs =
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cpu_to_le16(ring_grps + 1);
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}
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req->num_stat_ctxs = req->num_cmpl_rings;
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req->num_stat_ctxs = cpu_to_le16(stats);
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req->num_vnics = cpu_to_le16(vnics);
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}
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req->enables = cpu_to_le32(enables);
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@ -5261,7 +5261,7 @@ static void
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__bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
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struct hwrm_func_vf_cfg_input *req, int tx_rings,
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int rx_rings, int ring_grps, int cp_rings,
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int vnics)
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int stats, int vnics)
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{
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u32 enables = 0;
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@ -5294,7 +5294,7 @@ __bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
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req->num_hw_ring_grps = cpu_to_le16(ring_grps);
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req->num_rsscos_ctxs = cpu_to_le16(BNXT_VF_MAX_RSS_CTX);
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}
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req->num_stat_ctxs = req->num_cmpl_rings;
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req->num_stat_ctxs = cpu_to_le16(stats);
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req->num_vnics = cpu_to_le16(vnics);
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req->enables = cpu_to_le32(enables);
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@ -5302,13 +5302,13 @@ __bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
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static int
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bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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int ring_grps, int cp_rings, int vnics)
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int ring_grps, int cp_rings, int stats, int vnics)
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{
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struct hwrm_func_cfg_input req = {0};
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int rc;
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__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
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cp_rings, vnics);
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cp_rings, stats, vnics);
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if (!req.enables)
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return 0;
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@ -5325,7 +5325,7 @@ bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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static int
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bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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int ring_grps, int cp_rings, int vnics)
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int ring_grps, int cp_rings, int stats, int vnics)
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{
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struct hwrm_func_vf_cfg_input req = {0};
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int rc;
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@ -5336,7 +5336,7 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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}
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__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
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cp_rings, vnics);
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cp_rings, stats, vnics);
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rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
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if (rc)
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return -ENOMEM;
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@ -5346,12 +5346,14 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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}
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static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp,
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int cp, int vnic)
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int cp, int stat, int vnic)
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{
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if (BNXT_PF(bp))
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return bnxt_hwrm_reserve_pf_rings(bp, tx, rx, grp, cp, vnic);
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return bnxt_hwrm_reserve_pf_rings(bp, tx, rx, grp, cp, stat,
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vnic);
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else
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return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, vnic);
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return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, stat,
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vnic);
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}
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static int bnxt_nq_rings_in_use(struct bnxt *bp)
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@ -5380,12 +5382,17 @@ static int bnxt_cp_rings_in_use(struct bnxt *bp)
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return cp;
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}
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static int bnxt_get_func_stat_ctxs(struct bnxt *bp)
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{
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return bp->cp_nr_rings + bnxt_get_ulp_stat_ctxs(bp);
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}
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static bool bnxt_need_reserve_rings(struct bnxt *bp)
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{
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struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
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int cp = bnxt_cp_rings_in_use(bp);
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int nq = bnxt_nq_rings_in_use(bp);
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int rx = bp->rx_nr_rings;
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int rx = bp->rx_nr_rings, stat;
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int vnic = 1, grp = rx;
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if (bp->hwrm_spec_code < 0x10601)
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@ -5398,9 +5405,11 @@ static bool bnxt_need_reserve_rings(struct bnxt *bp)
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vnic = rx + 1;
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if (bp->flags & BNXT_FLAG_AGG_RINGS)
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rx <<= 1;
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stat = bnxt_get_func_stat_ctxs(bp);
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if (BNXT_NEW_RM(bp) &&
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(hw_resc->resv_rx_rings != rx || hw_resc->resv_cp_rings != cp ||
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hw_resc->resv_irqs < nq || hw_resc->resv_vnics != vnic ||
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hw_resc->resv_stat_ctxs != stat ||
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(hw_resc->resv_hw_ring_grps != grp &&
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!(bp->flags & BNXT_FLAG_CHIP_P5))))
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return true;
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@ -5414,8 +5423,8 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
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int tx = bp->tx_nr_rings;
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int rx = bp->rx_nr_rings;
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int grp, rx_rings, rc;
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int vnic = 1, stat;
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bool sh = false;
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int vnic = 1;
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if (!bnxt_need_reserve_rings(bp))
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return 0;
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@ -5427,8 +5436,9 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
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if (bp->flags & BNXT_FLAG_AGG_RINGS)
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rx <<= 1;
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grp = bp->rx_nr_rings;
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stat = bnxt_get_func_stat_ctxs(bp);
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rc = bnxt_hwrm_reserve_rings(bp, tx, rx, grp, cp, vnic);
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rc = bnxt_hwrm_reserve_rings(bp, tx, rx, grp, cp, stat, vnic);
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if (rc)
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return rc;
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@ -5438,6 +5448,7 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
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cp = hw_resc->resv_irqs;
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grp = hw_resc->resv_hw_ring_grps;
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vnic = hw_resc->resv_vnics;
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stat = hw_resc->resv_stat_ctxs;
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}
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rx_rings = rx;
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@ -5456,6 +5467,10 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
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}
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}
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rx_rings = min_t(int, rx_rings, grp);
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cp = min_t(int, cp, bp->cp_nr_rings);
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if (stat > bnxt_get_ulp_stat_ctxs(bp))
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stat -= bnxt_get_ulp_stat_ctxs(bp);
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cp = min_t(int, cp, stat);
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rc = bnxt_trim_rings(bp, &rx_rings, &tx, cp, sh);
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if (bp->flags & BNXT_FLAG_AGG_RINGS)
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rx = rx_rings << 1;
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@ -5464,14 +5479,15 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
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bp->rx_nr_rings = rx_rings;
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bp->cp_nr_rings = cp;
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if (!tx || !rx || !cp || !grp || !vnic)
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if (!tx || !rx || !cp || !grp || !vnic || !stat)
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return -ENOMEM;
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return rc;
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}
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static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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int ring_grps, int cp_rings, int vnics)
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int ring_grps, int cp_rings, int stats,
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int vnics)
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{
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struct hwrm_func_vf_cfg_input req = {0};
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u32 flags;
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@ -5481,7 +5497,7 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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return 0;
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__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
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cp_rings, vnics);
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cp_rings, stats, vnics);
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flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST |
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FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST |
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FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST |
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@ -5499,14 +5515,15 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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}
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static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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int ring_grps, int cp_rings, int vnics)
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int ring_grps, int cp_rings, int stats,
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int vnics)
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{
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struct hwrm_func_cfg_input req = {0};
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u32 flags;
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int rc;
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__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
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cp_rings, vnics);
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cp_rings, stats, vnics);
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flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST;
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if (BNXT_NEW_RM(bp)) {
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flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST |
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@ -5527,17 +5544,19 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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}
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static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings,
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int ring_grps, int cp_rings, int vnics)
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int ring_grps, int cp_rings, int stats,
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int vnics)
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{
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if (bp->hwrm_spec_code < 0x10801)
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return 0;
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if (BNXT_PF(bp))
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return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings,
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ring_grps, cp_rings, vnics);
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ring_grps, cp_rings, stats,
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vnics);
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return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps,
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cp_rings, vnics);
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cp_rings, stats, vnics);
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}
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static void bnxt_hwrm_coal_params_qcaps(struct bnxt *bp)
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@ -7839,6 +7858,7 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
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rc = bnxt_hwrm_func_resc_qcaps(bp, true);
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hw_resc->resv_cp_rings = 0;
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hw_resc->resv_stat_ctxs = 0;
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hw_resc->resv_irqs = 0;
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hw_resc->resv_tx_rings = 0;
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hw_resc->resv_rx_rings = 0;
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@ -8644,12 +8664,12 @@ static bool bnxt_rfs_capable(struct bnxt *bp)
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if (vnics == bp->hw_resc.resv_vnics)
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return true;
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bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, vnics);
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bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 0, vnics);
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if (vnics <= bp->hw_resc.resv_vnics)
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return true;
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netdev_warn(bp->dev, "Unable to reserve resources to support NTUPLE filters.\n");
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bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 1);
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bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 0, 1);
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return false;
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#else
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return false;
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@ -9060,7 +9080,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
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int tx_xdp)
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{
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int max_rx, max_tx, tx_sets = 1;
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int tx_rings_needed;
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int tx_rings_needed, stats;
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int rx_rings = rx;
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int cp, vnics, rc;
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@ -9085,10 +9105,13 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
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if (bp->flags & BNXT_FLAG_AGG_RINGS)
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rx_rings <<= 1;
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cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx;
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if (BNXT_NEW_RM(bp))
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stats = cp;
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if (BNXT_NEW_RM(bp)) {
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cp += bnxt_get_ulp_msix_num(bp);
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stats += bnxt_get_ulp_stat_ctxs(bp);
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}
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return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp,
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vnics);
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stats, vnics);
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}
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static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev)
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@ -927,6 +927,7 @@ struct bnxt_hw_resc {
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u16 resv_vnics;
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u16 min_stat_ctxs;
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u16 max_stat_ctxs;
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u16 resv_stat_ctxs;
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u16 max_nqs;
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u16 max_irqs;
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u16 resv_irqs;
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Loading…
Reference in New Issue