net/bnxt: check access denied for HWRM commands

Firmware can restrict access to certain resources in the hardware
depending on various factors. In such cases when the PMD tries to
configure these resources the firmware will return
HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED error. Parse this and return
the standard EACCES error to the applications.

Fixes: 804e746c7b73 ("net/bnxt: add hardware resource manager init code")
Cc: stable@dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 5e8970a..c682488 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -182,6 +182,10 @@ err_ret:
        if (rc) { \
                PMD_DRV_LOG(ERR, "failed rc:%d\n", rc); \
                rte_spinlock_unlock(&bp->hwrm_lock); \
+               if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) \
+                       rc = -EACCES; \
+               else if (rc > 0) \
+                       rc = -EINVAL; \
                return rc; \
        } \
        if (resp->error_code) { \
@@ -200,6 +204,10 @@ err_ret:
                        PMD_DRV_LOG(ERR, "error %d\n", rc); \
                } \
                rte_spinlock_unlock(&bp->hwrm_lock); \
+               if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) \
+                       rc = -EACCES; \
+               else if (rc > 0) \
+                       rc = -EINVAL; \
                return rc; \
        } \
 } while (0)