Commit 6e360862 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

bnxt_en: Check the FW's VNIC flush capability 



Check the HWRM_VNIC_QCAPS FW response for the receive engine flush
capability.  This capability indicates that we can reliably support
RX ring restart when calling HWRM_VNIC_UPDATE with MRU set to 0.

Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid Wei <dw@davidwei.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f2878cde

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+2 −0
Original line number Diff line number Diff line
@@ -6715,6 +6715,8 @@ static int bnxt_hwrm_vnic_qcaps(struct bnxt *bp) 
			bp->rss_cap |= BNXT_RSS_CAP_ESP_V4_RSS_CAP;

		if (flags & VNIC_QCAPS_RESP_FLAGS_RSS_IPSEC_ESP_SPI_IPV6_CAP)

			bp->rss_cap |= BNXT_RSS_CAP_ESP_V6_RSS_CAP;

		if (flags & VNIC_QCAPS_RESP_FLAGS_RE_FLUSH_CAP)

			bp->fw_cap |= BNXT_FW_CAP_VNIC_RE_FLUSH;

	}

	hwrm_req_drop(bp, req);

	return rc;

drivers/net/ethernet/broadcom/bnxt/bnxt.h

+1 −0
Original line number Diff line number Diff line
@@ -2438,6 +2438,7 @@ struct bnxt { 
	#define BNXT_FW_CAP_VNIC_TUNNEL_TPA		BIT_ULL(37)

	#define BNXT_FW_CAP_CFA_NTUPLE_RX_EXT_IP_PROTO	BIT_ULL(38)

	#define BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V3	BIT_ULL(39)

	#define BNXT_FW_CAP_VNIC_RE_FLUSH		BIT_ULL(40)



	u32			fw_dbg_cap;