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bnxt_en: Refactor the functions to reserve hardware rings. 

The bnxt_hwrm_reserve_{pf|vf}_rings() functions are very similar to
the bnxt_hwrm_check_{pf|vf}_rings() functions.  Refactor the former
so that the latter can make use of common code in the next patch.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2018-03-09 23:46:03 -05:00 committed by David S. Miller
parent a2c054a896
commit 4ed50ef4da
1 changed files with 53 additions and 32 deletions
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85
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -4558,18 +4558,17 @@ int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings)
return rc;
}
static int
bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
int ring_grps, int cp_rings, int vnics)
static void
__bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
int tx_rings, int rx_rings, int ring_grps,
int cp_rings, int vnics)
{
struct hwrm_func_cfg_input req = {0};
u32 enables = 0;
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
req.fid = cpu_to_le16(0xffff);
bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_CFG, -1, -1);
req->fid = cpu_to_le16(0xffff);
enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
req.num_tx_rings = cpu_to_le16(tx_rings);
req->num_tx_rings = cpu_to_le16(tx_rings);
if (bp->flags & BNXT_FLAG_NEW_RM) {
enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
@ -4578,16 +4577,53 @@ bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
req.num_rx_rings = cpu_to_le16(rx_rings);
req.num_hw_ring_grps = cpu_to_le16(ring_grps);
req.num_cmpl_rings = cpu_to_le16(cp_rings);
req.num_stat_ctxs = req.num_cmpl_rings;
req.num_vnics = cpu_to_le16(vnics);
req->num_rx_rings = cpu_to_le16(rx_rings);
req->num_hw_ring_grps = cpu_to_le16(ring_grps);
req->num_cmpl_rings = cpu_to_le16(cp_rings);
req->num_stat_ctxs = req->num_cmpl_rings;
req->num_vnics = cpu_to_le16(vnics);
}
if (!enables)
req->enables = cpu_to_le32(enables);
}
static void
__bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
struct hwrm_func_vf_cfg_input *req, int tx_rings,
int rx_rings, int ring_grps, int cp_rings,
int vnics)
{
u32 enables = 0;
bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_VF_CFG, -1, -1);
enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
req->num_tx_rings = cpu_to_le16(tx_rings);
req->num_rx_rings = cpu_to_le16(rx_rings);
req->num_hw_ring_grps = cpu_to_le16(ring_grps);
req->num_cmpl_rings = cpu_to_le16(cp_rings);
req->num_stat_ctxs = req->num_cmpl_rings;
req->num_vnics = cpu_to_le16(vnics);
req->enables = cpu_to_le32(enables);
}
static int
bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
int ring_grps, int cp_rings, int vnics)
{
struct hwrm_func_cfg_input req = {0};
int rc;
__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
cp_rings, vnics);
if (!req.enables)
return 0;
req.enables = cpu_to_le32(enables);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
return -ENOMEM;
@ -4604,7 +4640,6 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
int ring_grps, int cp_rings, int vnics)
{
struct hwrm_func_vf_cfg_input req = {0};
u32 enables = 0;
int rc;
if (!(bp->flags & BNXT_FLAG_NEW_RM)) {
@ -4612,22 +4647,8 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
return 0;
}
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1);
enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
req.num_tx_rings = cpu_to_le16(tx_rings);
req.num_rx_rings = cpu_to_le16(rx_rings);
req.num_hw_ring_grps = cpu_to_le16(ring_grps);
req.num_cmpl_rings = cpu_to_le16(cp_rings);
req.num_stat_ctxs = req.num_cmpl_rings;
req.num_vnics = cpu_to_le16(vnics);
req.enables = cpu_to_le32(enables);
__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
cp_rings, vnics);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
return -ENOMEM;