Blame SOURCES/bnxt-dpdk-0002-net-bnxt-avoid-invalid-vnic-id-in-set-L2-Rx-mask.patch

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From 52bececea4d2327d842ee40e6c99388b6b3d8f93 Mon Sep 17 00:00:00 2001
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Message-Id: <52bececea4d2327d842ee40e6c99388b6b3d8f93.1524241750.git.dcaratti@redhat.com>
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In-Reply-To: <02bd8182658600ebf2cbe61168e80c19ce4cdaa5.1524241750.git.dcaratti@redhat.com>
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References: <02bd8182658600ebf2cbe61168e80c19ce4cdaa5.1524241750.git.dcaratti@redhat.com>
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From: Ajit Khaparde <ajit.khaparde@broadcom.com>
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Date: Fri, 20 Apr 2018 07:22:01 -0700
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Subject: [PATCH 2/3] net/bnxt: avoid invalid vnic id in set L2 Rx mask
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In some cases bnxt_hwrm_cfa_l2_set_rx_mask is being called before
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VNICs are allocated. The FW returns an error in such cases.
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Move bnxt_init_nic to bnxt_dev_init such that the ids are initialized
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to an invalid id.
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Prevent sending the command to the FW only with a valid vnic id.
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Fixes: 244bc98b0da7 ("net/bnxt: set L2 Rx mask")
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Cc: stable@dpdk.org
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Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
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---
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 drivers/net/bnxt/bnxt_ethdev.c | 7 ++-----
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 drivers/net/bnxt/bnxt_hwrm.c   | 3 +++
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 2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
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index a133114a3..348129dad 100644
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--- a/drivers/net/bnxt/bnxt_ethdev.c
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+++ b/drivers/net/bnxt/bnxt_ethdev.c
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@@ -395,10 +395,6 @@ static int bnxt_init_nic(struct bnxt *bp)
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 	bnxt_init_vnics(bp);
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 	bnxt_init_filters(bp);
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-	rc = bnxt_init_chip(bp);
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-	if (rc)
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-		return rc;
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-
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 	return 0;
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 }
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@@ -594,7 +590,7 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev)
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 	}
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 	bp->dev_stopped = 0;
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-	rc = bnxt_init_nic(bp);
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+	rc = bnxt_init_chip(bp);
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 	if (rc)
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 		goto error;
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@@ -3398,6 +3394,7 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
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 		goto error_free_int;
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 	bnxt_enable_int(bp);
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+	bnxt_init_nic(bp);
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 	return 0;
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diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
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index 11204bf42..bc8773509 100644
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--- a/drivers/net/bnxt/bnxt_hwrm.c
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+++ b/drivers/net/bnxt/bnxt_hwrm.c
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@@ -221,6 +221,9 @@ int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp,
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 	struct hwrm_cfa_l2_set_rx_mask_output *resp = bp->hwrm_cmd_resp_addr;
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 	uint32_t mask = 0;
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+	if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
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+		return rc;
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+
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 	HWRM_PREP(req, CFA_L2_SET_RX_MASK);
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 	req.vnic_id = rte_cpu_to_le_16(vnic->fw_vnic_id);
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-- 
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2.14.3
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