net/bnxt: fix request for hot reset support

During the registration process, the drivers must publish
"HOT_RESET_SUPPORTED" capability to the core firmware only
if core firmware is capable of Hot Reset.

Fixes: df6cd7c1f73a ("net/bnxt: handle reset notify async event from FW")
Cc: stable@dpdk.org
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index e259c82..f9e4d76 100644 (file)
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -517,6 +517,7 @@ struct bnxt {
 #define BNXT_FLAG_INIT_DONE                    BIT(24)
 #define BNXT_FLAG_FW_CAP_ONE_STEP_TX_TS                BIT(25)
 #define BNXT_FLAG_ADV_FLOW_MGMT                        BIT(26)
+#define BNXT_FLAG_FW_CAP_HOT_RESET             BIT(27)
 #define BNXT_PF(bp)            (!((bp)->flags & BNXT_FLAG_VF))
 #define BNXT_VF(bp)            ((bp)->flags & BNXT_FLAG_VF)
 #define BNXT_NPAR(bp)          ((bp)->port_partition_type)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index b1f908e..d30da9b 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -672,6 +672,11 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
        else
                bp->flags &= ~BNXT_FLAG_FW_CAP_ERR_RECOVER_RELOAD;
 
+       if (flags & HWRM_FUNC_QCAPS_OUTPUT_FLAGS_HOT_RESET_CAPABLE)
+               bp->flags |= BNXT_FLAG_FW_CAP_HOT_RESET;
+       else
+               bp->flags &= ~BNXT_FLAG_FW_CAP_HOT_RESET;
+
        HWRM_UNLOCK();
 
        return rc;
@@ -756,7 +761,8 @@ int bnxt_hwrm_func_driver_register(struct bnxt *bp)
        if (bp->flags & BNXT_FLAG_REGISTERED)
                return 0;
 
-       flags = HWRM_FUNC_DRV_RGTR_INPUT_FLAGS_HOT_RESET_SUPPORT;
+       if (bp->flags & BNXT_FLAG_FW_CAP_HOT_RESET)
+               flags = HWRM_FUNC_DRV_RGTR_INPUT_FLAGS_HOT_RESET_SUPPORT;
        if (bp->flags & BNXT_FLAG_FW_CAP_ERROR_RECOVERY)
                flags |= HWRM_FUNC_DRV_RGTR_INPUT_FLAGS_ERROR_RECOVERY_SUPPORT;