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bnxt_en: Return standard Linux error codes for hwrm flow cmds.

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Currently, internal error value is returned by the driver, when
hwrm_cfa_flow_alloc() fails due lack of resources.  We should be returning
Linux errno value -ENOSPC instead.

This patch also converts other similar command errors to standard Linux errno
code (-EIO) in bnxt_tc.c

Fixes: db1d36a273 ("bnxt_en: add TC flower offload flow_alloc/free FW cmds")
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Venkat Duvvuru 2018-03-09 23:46:08 -05:00 committed by David S. Miller
parent 832aed16ce
commit 6ae777eab2
1 changed files with 20 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
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@ -349,6 +349,9 @@ static int bnxt_hwrm_cfa_flow_free(struct bnxt *bp, __le16 flow_handle)
if (rc) if (rc)
netdev_info(bp->dev, "Error: %s: flow_handle=0x%x rc=%d", netdev_info(bp->dev, "Error: %s: flow_handle=0x%x rc=%d",
__func__, flow_handle, rc); __func__, flow_handle, rc);
if (rc)
rc = -EIO;
return rc; return rc;
} }
@ -484,13 +487,15 @@ static int bnxt_hwrm_cfa_flow_alloc(struct bnxt *bp, struct bnxt_tc_flow *flow,
req.action_flags = cpu_to_le16(action_flags); req.action_flags = cpu_to_le16(action_flags);
mutex_lock(&bp->hwrm_cmd_lock); mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) if (!rc)
*flow_handle = resp->flow_handle; *flow_handle = resp->flow_handle;
mutex_unlock(&bp->hwrm_cmd_lock); mutex_unlock(&bp->hwrm_cmd_lock);
if (rc == HWRM_ERR_CODE_RESOURCE_ALLOC_ERROR)
rc = -ENOSPC;
else if (rc)
rc = -EIO;
return rc; return rc;
} }
@ -561,6 +566,8 @@ static int hwrm_cfa_decap_filter_alloc(struct bnxt *bp,
netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc);
mutex_unlock(&bp->hwrm_cmd_lock); mutex_unlock(&bp->hwrm_cmd_lock);
if (rc)
rc = -EIO;
return rc; return rc;
} }
@ -576,6 +583,9 @@ static int hwrm_cfa_decap_filter_free(struct bnxt *bp,
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc) if (rc)
netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc);
if (rc)
rc = -EIO;
return rc; return rc;
} }
@ -624,6 +634,8 @@ static int hwrm_cfa_encap_record_alloc(struct bnxt *bp,
netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc);
mutex_unlock(&bp->hwrm_cmd_lock); mutex_unlock(&bp->hwrm_cmd_lock);
if (rc)
rc = -EIO;
return rc; return rc;
} }
@ -639,6 +651,9 @@ static int hwrm_cfa_encap_record_free(struct bnxt *bp,
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc) if (rc)
netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc);
if (rc)
rc = -EIO;
return rc; return rc;
} }
@ -1338,8 +1353,10 @@ bnxt_hwrm_cfa_flow_stats_get(struct bnxt *bp, int num_flows,
} else { } else {
netdev_info(bp->dev, "error rc=%d", rc); netdev_info(bp->dev, "error rc=%d", rc);
} }
mutex_unlock(&bp->hwrm_cmd_lock); mutex_unlock(&bp->hwrm_cmd_lock);
if (rc)
rc = -EIO;
return rc; return rc;
} }