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From 57b905197ca2cf5b07e4a9da7f257b229f99c6a1 Mon Sep 17 00:00:00 2001
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From: Jonathan Toppins <jtoppins@redhat.com>
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Date: Wed, 2 Oct 2019 18:22:41 -0400
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Subject: [PATCH 26/96] [netdrv] bnxt_en: Add support for aRFS on 57500 chips
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Message-id: <c48b69b512cfac54a82beb4bc5641307b723d623.1570027456.git.jtoppins@redhat.com>
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Patchwork-id: 276445
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O-Subject: [RHEL-8.2 PATCH 19/78] bnxt_en: Add support for aRFS on 57500 chips.
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Bugzilla: 1724766
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RH-Acked-by: John Linville <linville@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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Set RSS ring table index of the RFS destination ring for the NTUPLE
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filters on 57500 chips.
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Signed-off-by: Michael Chan <michael.chan@broadcom.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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(cherry picked from commit ac33906c67e22edeabe3f0150ffeb367462e754f)
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Bugzilla: 1724766
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Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=23809532
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Tested: build, boot, basic ping
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Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
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Signed-off-by: Bruno Meneguele <bmeneg@redhat.com>
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---
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drivers/net/ethernet/broadcom/bnxt/bnxt.c | 16 ++++++++++++----
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1 file changed, 12 insertions(+), 4 deletions(-)
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Index: src/drivers/net/ethernet/broadcom/bnxt/bnxt.c
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===================================================================
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--- src.orig/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:13.662531951 +0100
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+++ src/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:13.805530638 +0100
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@@ -4232,16 +4232,25 @@
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static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,
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struct bnxt_ntuple_filter *fltr)
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{
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- struct bnxt_vnic_info *vnic = &bp->vnic_info[fltr->rxq + 1];
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struct hwrm_cfa_ntuple_filter_alloc_input req = {0};
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struct hwrm_cfa_ntuple_filter_alloc_output *resp;
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struct flow_keys *keys = &fltr->fkeys;
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+ struct bnxt_vnic_info *vnic;
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+ u32 dst_ena = 0;
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int rc = 0;
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_ALLOC, -1, -1);
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req.l2_filter_id = bp->vnic_info[0].fw_l2_filter_id[fltr->l2_fltr_idx];
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- req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS);
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+ if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX) {
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+ dst_ena = CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_RFS_RING_TBL_IDX;
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+ req.rfs_ring_tbl_idx = cpu_to_le16(fltr->rxq);
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+ vnic = &bp->vnic_info[0];
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+ } else {
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+ vnic = &bp->vnic_info[fltr->rxq + 1];
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+ }
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+ req.dst_id = cpu_to_le16(vnic->fw_vnic_id);
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+ req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS | dst_ena);
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req.ethertype = htons(ETH_P_IP);
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memcpy(req.src_macaddr, fltr->src_mac_addr, ETH_ALEN);
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@@ -4279,7 +4288,6 @@
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req.dst_port = keys->ports.dst;
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req.dst_port_mask = cpu_to_be16(0xffff);
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- req.dst_id = cpu_to_le16(vnic->fw_vnic_id);
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mutex_lock(&bp->hwrm_cmd_lock);
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rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
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if (!rc) {
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@@ -9126,7 +9134,7 @@
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int vnics, max_vnics, max_rss_ctxs;
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if (bp->flags & BNXT_FLAG_CHIP_P5)
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- return false;
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+ return bnxt_rfs_supported(bp);
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if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
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return false;
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