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bnxt_en: Cleanup bnxt_hwrm_func_cfg(). 

1. Use local variable pf for repeated access to this pointer.

2.  The 2nd argument num_vfs was unnecessarily declared as pointer to int.
This function doesn't change num_vfs so change the argument to int.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2015-12-27 18:19:25 -05:00 committed by David S. Miller
parent 2bcfa6f6e7
commit 92268c328a
1 changed files with 16 additions and 17 deletions
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33
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
View File

@ -363,7 +363,7 @@ static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp)
}
/* only call by PF to reserve resources for VF */
static int bnxt_hwrm_func_cfg(struct bnxt *bp, int *num_vfs)
static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
{
u32 rc = 0, mtu, i;
u16 vf_tx_rings, vf_rx_rings, vf_cp_rings, vf_stat_ctx, vf_vnics;
@ -378,18 +378,17 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int *num_vfs)
* be removed once new HWRM provides HW ring groups capability in
* hwrm_func_qcap.
*/
vf_cp_rings = min_t(u16, bp->pf.max_cp_rings, bp->pf.max_stat_ctxs);
vf_cp_rings = (vf_cp_rings - bp->cp_nr_rings) / *num_vfs;
vf_cp_rings = min_t(u16, pf->max_cp_rings, pf->max_stat_ctxs);
vf_cp_rings = (vf_cp_rings - bp->cp_nr_rings) / num_vfs;
/* TODO: restore this logic below once the WA above is removed */
/* vf_cp_rings = (bp->pf.max_cp_rings - bp->cp_nr_rings) / *num_vfs; */
vf_stat_ctx = (bp->pf.max_stat_ctxs - bp->num_stat_ctxs) / *num_vfs;
/* vf_cp_rings = (pf->max_cp_rings - bp->cp_nr_rings) / num_vfs; */
vf_stat_ctx = (pf->max_stat_ctxs - bp->num_stat_ctxs) / num_vfs;
if (bp->flags & BNXT_FLAG_AGG_RINGS)
vf_rx_rings = (bp->pf.max_rx_rings - bp->rx_nr_rings * 2) /
*num_vfs;
vf_rx_rings = (pf->max_rx_rings - bp->rx_nr_rings * 2) /
num_vfs;
else
vf_rx_rings = (bp->pf.max_rx_rings - bp->rx_nr_rings) /
*num_vfs;
vf_tx_rings = (bp->pf.max_tx_rings - bp->tx_nr_rings) / *num_vfs;
vf_rx_rings = (pf->max_rx_rings - bp->rx_nr_rings) / num_vfs;
vf_tx_rings = (pf->max_tx_rings - bp->tx_nr_rings) / num_vfs;
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MTU |
FUNC_CFG_REQ_ENABLES_MRU |
@ -417,22 +416,22 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int *num_vfs)
req.num_stat_ctxs = cpu_to_le16(vf_stat_ctx);
mutex_lock(&bp->hwrm_cmd_lock);
for (i = 0; i < *num_vfs; i++) {
for (i = 0; i < num_vfs; i++) {
req.vf_id = cpu_to_le16(pf->first_vf_id + i);
rc = _hwrm_send_message(bp, &req, sizeof(req),
HWRM_CMD_TIMEOUT);
if (rc)
break;
bp->pf.active_vfs = i + 1;
bp->pf.vf[i].fw_fid = le16_to_cpu(req.vf_id);
pf->active_vfs = i + 1;
pf->vf[i].fw_fid = le16_to_cpu(req.vf_id);
}
mutex_unlock(&bp->hwrm_cmd_lock);
if (!rc) {
bp->pf.max_pf_tx_rings = bp->tx_nr_rings;
pf->max_pf_tx_rings = bp->tx_nr_rings;
if (bp->flags & BNXT_FLAG_AGG_RINGS)
bp->pf.max_pf_rx_rings = bp->rx_nr_rings * 2;
pf->max_pf_rx_rings = bp->rx_nr_rings * 2;
else
bp->pf.max_pf_rx_rings = bp->rx_nr_rings;
pf->max_pf_rx_rings = bp->rx_nr_rings;
}
return rc;
}
@ -492,7 +491,7 @@ static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs)
goto err_out1;
/* Reserve resources for VFs */
rc = bnxt_hwrm_func_cfg(bp, num_vfs);
rc = bnxt_hwrm_func_cfg(bp, *num_vfs);
if (rc)
goto err_out2;