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net/bnxt: set a VNIC as default only once

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If a vnic is configured as default and the setting has not changed,
there is no need to issue this setting again to the FW.

Fixes: db678d5c2b54 ("net/bnxt: add HWRM VNIC configure")
Cc: stable@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Ajit Khaparde 2018-09-28 19:00:03 -07:00 committed by Ferruh Yigit
parent 50d3c51bae
commit 5bf10cdb67
2 changed files with 9 additions and 1 deletions
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1
drivers/net/bnxt/bnxt.h
View File

@ -261,6 +261,7 @@ struct bnxt {
#define BNXT_FLAG_EXT_TX_PORT_STATS (1 << 9)
#define BNXT_FLAG_KONG_MB_EN (1 << 10)
#define BNXT_FLAG_TRUSTED_VF_EN (1 << 11)
#define BNXT_FLAG_DFLT_VNIC_SET (1 << 12)
#define BNXT_FLAG_NEW_RM (1 << 30)
#define BNXT_FLAG_INIT_DONE (1 << 31)
#define BNXT_PF(bp) (!((bp)->flags & BNXT_FLAG_VF))

9
drivers/net/bnxt/bnxt_hwrm.c
View File

@ -1460,9 +1460,12 @@ int bnxt_hwrm_vnic_cfg(struct bnxt *bp, struct bnxt_vnic_info *vnic)
req.cos_rule = rte_cpu_to_le_16(vnic->cos_rule);
req.lb_rule = rte_cpu_to_le_16(vnic->lb_rule);
req.mru = rte_cpu_to_le_16(vnic->mru);
if (vnic->func_default)
/* Configure default VNIC only once. */
if (vnic->func_default && !(bp->flags & BNXT_FLAG_DFLT_VNIC_SET)) {
req.flags |=
rte_cpu_to_le_32(HWRM_VNIC_CFG_INPUT_FLAGS_DEFAULT);
bp->flags |= BNXT_FLAG_DFLT_VNIC_SET;
}
if (vnic->vlan_strip)
req.flags |=
rte_cpu_to_le_32(HWRM_VNIC_CFG_INPUT_FLAGS_VLAN_STRIP_MODE);
@ -1600,6 +1603,10 @@ int bnxt_hwrm_vnic_free(struct bnxt *bp, struct bnxt_vnic_info *vnic)
HWRM_UNLOCK();
vnic->fw_vnic_id = INVALID_HW_RING_ID;
/* Configure default VNIC again if necessary. */
if (vnic->func_default && (bp->flags & BNXT_FLAG_DFLT_VNIC_SET))
bp->flags &= ~BNXT_FLAG_DFLT_VNIC_SET;
return rc;
}