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net/bnxt: check access denied for HWRM commands

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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>
This commit is contained in:
Ajit Khaparde 2018-07-25 18:15:47 -07:00 committed by Thomas Monjalon
parent 4623c0d4b5
commit 6dc875ab5f
1 changed files with 8 additions and 0 deletions

8
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)