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Commit ac33906c authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

bnxt_en: Add support for aRFS on 57500 chips. 



Set RSS ring table index of the RFS destination ring for the NTUPLE
filters on 57500 chips.

Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e969ae5b

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

+12 −4
Original line number Diff line number Diff line
@@ -4226,16 +4226,25 @@ static int bnxt_hwrm_cfa_ntuple_filter_free(struct bnxt *bp, 
static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,

					     struct bnxt_ntuple_filter *fltr)

{

	struct bnxt_vnic_info *vnic = &bp->vnic_info[fltr->rxq + 1];

	struct hwrm_cfa_ntuple_filter_alloc_input req = {0};

	struct hwrm_cfa_ntuple_filter_alloc_output *resp;

	struct flow_keys *keys = &fltr->fkeys;

	struct bnxt_vnic_info *vnic;

	u32 dst_ena = 0;

	int rc = 0;



	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_ALLOC, -1, -1);

	req.l2_filter_id = bp->vnic_info[0].fw_l2_filter_id[fltr->l2_fltr_idx];



	req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS);

	if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX) {

		dst_ena = CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_RFS_RING_TBL_IDX;

		req.rfs_ring_tbl_idx = cpu_to_le16(fltr->rxq);

		vnic = &bp->vnic_info[0];

	} else {

		vnic = &bp->vnic_info[fltr->rxq + 1];

	}

	req.dst_id = cpu_to_le16(vnic->fw_vnic_id);

	req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS | dst_ena);



	req.ethertype = htons(ETH_P_IP);

	memcpy(req.src_macaddr, fltr->src_mac_addr, ETH_ALEN);
@@ -4273,7 +4282,6 @@ static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp, 
	req.dst_port = keys->ports.dst;

	req.dst_port_mask = cpu_to_be16(0xffff);



	req.dst_id = cpu_to_le16(vnic->fw_vnic_id);

	mutex_lock(&bp->hwrm_cmd_lock);

	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);

	if (!rc) {
@@ -9114,7 +9122,7 @@ static bool bnxt_rfs_capable(struct bnxt *bp) 
	int vnics, max_vnics, max_rss_ctxs;



	if (bp->flags & BNXT_FLAG_CHIP_P5)

		return false;

		return bnxt_rfs_supported(bp);

	if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))

		return false;