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bnxt_en: Add support for aRFS on 57500 chips.

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

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 2019-05-05 07:17:07 -04:00 committed by David S. Miller
parent e969ae5bbf
commit ac33906c67
1 changed files with 12 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -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;