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bnxt_en: Add the new firmware API to query hardware resources.

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The new API HWRM_FUNC_RESOURCE_QCAPS provides min and max hardware
resources.  Use the new API when it is supported by firmware.

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 2018-01-17 03:21:07 -05:00 committed by David S. Miller
parent 6a4f294705
commit be0dd9c410
2 changed files with 56 additions and 1 deletions
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56
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -4791,7 +4791,46 @@ func_qcfg_exit:
return rc;
}
static int bnxt_hwrm_func_qcaps(struct bnxt *bp)
static int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp)
{
struct hwrm_func_resource_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_func_resource_qcaps_input req = {0};
struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESOURCE_QCAPS, -1, -1);
req.fid = cpu_to_le16(0xffff);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc) {
rc = -EIO;
goto hwrm_func_resc_qcaps_exit;
}
hw_resc->min_rsscos_ctxs = le16_to_cpu(resp->min_rsscos_ctx);
hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);
hw_resc->min_cp_rings = le16_to_cpu(resp->min_cmpl_rings);
hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
hw_resc->min_tx_rings = le16_to_cpu(resp->min_tx_rings);
hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
hw_resc->min_rx_rings = le16_to_cpu(resp->min_rx_rings);
hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
hw_resc->min_hw_ring_grps = le16_to_cpu(resp->min_hw_ring_grps);
hw_resc->max_hw_ring_grps = le16_to_cpu(resp->max_hw_ring_grps);
hw_resc->min_l2_ctxs = le16_to_cpu(resp->min_l2_ctxs);
hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
hw_resc->min_vnics = le16_to_cpu(resp->min_vnics);
hw_resc->max_vnics = le16_to_cpu(resp->max_vnics);
hw_resc->min_stat_ctxs = le16_to_cpu(resp->min_stat_ctx);
hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
hwrm_func_resc_qcaps_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
{
int rc = 0;
struct hwrm_func_qcaps_input req = {0};
@ -4859,6 +4898,21 @@ hwrm_func_qcaps_exit:
return rc;
}
static int bnxt_hwrm_func_qcaps(struct bnxt *bp)
{
int rc;
rc = __bnxt_hwrm_func_qcaps(bp);
if (rc)
return rc;
if (bp->hwrm_spec_code >= 0x10803) {
rc = bnxt_hwrm_func_resc_qcaps(bp);
if (!rc)
bp->flags |= BNXT_FLAG_NEW_RM;
}
return 0;
}
static int bnxt_hwrm_func_reset(struct bnxt *bp)
{
struct hwrm_func_reset_input req = {0};

1
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View file

@ -1144,6 +1144,7 @@ struct bnxt {
#define BNXT_FLAG_FW_DCBX_AGENT 0x800000
#define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
#define BNXT_FLAG_DIM 0x2000000
#define BNXT_FLAG_NEW_RM 0x8000000
#define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA | \
BNXT_FLAG_RFS | \