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bnxt_en: Use a dedicated VNIC mode for RDMA. 

If the RDMA driver is registered, use a new VNIC mode that allows
RDMA traffic to be seen on the netdev in promiscuous mode.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2018-03-31 13:54:08 -04:00 committed by David S. Miller
parent 1d3ef13dd4
commit abe93ad2e0
2 changed files with 15 additions and 4 deletions
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18
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -4002,6 +4002,13 @@ static int bnxt_hwrm_vnic_ctx_alloc(struct bnxt *bp, u16 vnic_id, u16 ctx_idx)
return rc;
}
static u32 bnxt_get_roce_vnic_mode(struct bnxt *bp)
{
if (bp->flags & BNXT_FLAG_ROCE_MIRROR_CAP)
return VNIC_CFG_REQ_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_MODE;
return VNIC_CFG_REQ_FLAGS_ROCE_DUAL_VNIC_MODE;
}
int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
{
unsigned int ring = 0, grp_idx;
@ -4057,8 +4064,7 @@ int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
if ((bp->flags & BNXT_FLAG_STRIP_VLAN) || def_vlan)
req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_VLAN_STRIP_MODE);
if (!vnic_id && bnxt_ulp_registered(bp->edev, BNXT_ROCE_ULP))
req.flags |=
cpu_to_le32(VNIC_CFG_REQ_FLAGS_ROCE_DUAL_VNIC_MODE);
req.flags |= cpu_to_le32(bnxt_get_roce_vnic_mode(bp));
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
@ -4139,9 +4145,13 @@ static int bnxt_hwrm_vnic_qcaps(struct bnxt *bp)
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
if (resp->flags &
cpu_to_le32(VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP))
u32 flags = le32_to_cpu(resp->flags);
if (flags & VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP)
bp->flags |= BNXT_FLAG_NEW_RSS_CAP;
if (flags &
VNIC_QCAPS_RESP_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_CAP)
bp->flags |= BNXT_FLAG_ROCE_MIRROR_CAP;
}
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;

1
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -1151,6 +1151,7 @@ struct bnxt {
#define BNXT_FLAG_FW_DCBX_AGENT 0x800000
#define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
#define BNXT_FLAG_DIM 0x2000000
#define BNXT_FLAG_ROCE_MIRROR_CAP 0x4000000
#define BNXT_FLAG_NEW_RM 0x8000000
#define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA | \