diff options
| author |   Michael Chan <michael.chan@broadcom.com> | 2018-12-16 18:46:25 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-12-17 23:08:53 -0800 |
| commit | b16b68918674af5e7beccb567fe7ebd8b44744b8 (patch) | |
| tree | 64f7655dba68fbcd65569908b0f517b63fb722a8 /drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | |
| parent | bnxt_en: Disable MSIX before re-reserving NQs/CMPL rings. (diff) | |
| download | linux-dev-b16b68918674af5e7beccb567fe7ebd8b44744b8.tar.xz linux-dev-b16b68918674af5e7beccb567fe7ebd8b44744b8.zip | |
bnxt_en: Add SR-IOV support for 57500 chips.
There are some minor differences when assigning VF resources on the
new chips. The MSIX (NQ) resource has to be assigned and ring group
is not needed on the new chips.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index e7fdcb289072..d80f5c981d90 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -448,16 +448,22 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) u16 vf_stat_ctx, vf_vnics, vf_ring_grps; struct bnxt_pf_info *pf = &bp->pf; int i, rc = 0, min = 1; + u16 vf_msix = 0; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_RESOURCE_CFG, -1, -1); + if (bp->flags & BNXT_FLAG_CHIP_P5) { + vf_msix = hw_resc->max_nqs - bnxt_nq_rings_in_use(bp); + vf_ring_grps = 0; + } else { + vf_ring_grps = hw_resc->max_hw_ring_grps - bp->rx_nr_rings; + } vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp); vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp); if (bp->flags & BNXT_FLAG_AGG_RINGS) vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings * 2; else vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings; - vf_ring_grps = hw_resc->max_hw_ring_grps - bp->rx_nr_rings; vf_tx_rings = hw_resc->max_tx_rings - bp->tx_nr_rings; vf_vnics = hw_resc->max_vnics - bp->nr_vnics; vf_vnics = min_t(u16, vf_vnics, vf_rx_rings); @@ -476,7 +482,8 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) req.min_l2_ctxs = cpu_to_le16(min); req.min_vnics = cpu_to_le16(min); req.min_stat_ctx = cpu_to_le16(min); - req.min_hw_ring_grps = cpu_to_le16(min); + if (!(bp->flags & BNXT_FLAG_CHIP_P5)) + req.min_hw_ring_grps = cpu_to_le16(min); } else { vf_cp_rings /= num_vfs; vf_tx_rings /= num_vfs; @@ -500,6 +507,8 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) req.max_vnics = cpu_to_le16(vf_vnics); req.max_stat_ctx = cpu_to_le16(vf_stat_ctx); req.max_hw_ring_grps = cpu_to_le16(vf_ring_grps); + if (bp->flags & BNXT_FLAG_CHIP_P5) + req.max_msix = cpu_to_le16(vf_msix / num_vfs); mutex_lock(&bp->hwrm_cmd_lock); for (i = 0; i < num_vfs; i++) { @@ -525,6 +534,8 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) hw_resc->max_rsscos_ctxs -= pf->active_vfs; hw_resc->max_stat_ctxs -= le16_to_cpu(req.min_stat_ctx) * n; hw_resc->max_vnics -= le16_to_cpu(req.min_vnics) * n; + if (bp->flags & BNXT_FLAG_CHIP_P5) + hw_resc->max_irqs -= vf_msix * n; rc = pf->active_vfs; } |