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From: Kalesh A P <kalesh-anakkur.purayil@broadcom.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com, ajit.khaparde@broadcom.com
Subject: [dpdk-dev] [PATCH 2/6] net/bnxt: restore vlan filters during reset recovery
Date: Tue, 10 Dec 2019 20:35:25 +0530	[thread overview]
Message-ID: <20191210150529.27922-3-kalesh-anakkur.purayil@broadcom.com> (raw)
In-Reply-To: <20191210150529.27922-1-kalesh-anakkur.purayil@broadcom.com>

From: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>

Older Firmware could have state information such as
MAC Filters, VLAN settings etc configured by user.
But new Firmware is unaware of this state information
and as a result driver should restore these settings
during reset recovery.

This patch restores the user configured vlan settings
prior to hot FW upgrade or FW error.

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/bnxt_ethdev.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index addc850..d72a756 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -3796,6 +3796,29 @@ static void bnxt_dev_cleanup(struct bnxt *bp)
 	bnxt_uninit_resources(bp, true);
 }
 
+static int bnxt_restore_vlan_filters(struct bnxt *bp)
+{
+	struct rte_eth_dev *dev = bp->eth_dev;
+	struct rte_vlan_filter_conf *vfc;
+	int vidx, vbit, rc;
+	uint16_t vlan_id;
+
+	for (vlan_id = 1; vlan_id <= RTE_ETHER_MAX_VLAN_ID; vlan_id++) {
+		vfc = &dev->data->vlan_filter_conf;
+		vidx = vlan_id / 64;
+		vbit = vlan_id % 64;
+
+		/* Each bit corresponds to a VLAN id */
+		if (vfc->ids[vidx] & (UINT64_C(1) << vbit)) {
+			rc = bnxt_add_vlan_filter(bp, vlan_id);
+			if (rc)
+				return rc;
+		}
+	}
+
+	return 0;
+}
+
 static int bnxt_restore_mac_filters(struct bnxt *bp)
 {
 	struct rte_eth_dev *dev = bp->eth_dev;
@@ -3849,6 +3872,10 @@ static int bnxt_restore_filters(struct bnxt *bp)
 		ret = bnxt_promiscuous_enable_op(dev);
 
 	ret = bnxt_restore_mac_filters(bp);
+	if (ret)
+		return ret;
+
+	ret = bnxt_restore_vlan_filters(bp);
 	/* TODO restore other filters as well */
 	return ret;
 }
-- 
2.10.1


  parent reply	other threads:[~2019-12-10 14:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 15:05 [dpdk-dev] [PATCH 0/6] bnxt patchset Kalesh A P
2019-12-10 15:05 ` [dpdk-dev] [PATCH 1/6] net/bnxt: restore mac filters during reset recovery Kalesh A P
2019-12-10 15:05 ` Kalesh A P [this message]
2019-12-10 15:05 ` [dpdk-dev] [PATCH 3/6] net/bnxt: fix request for hot reset support Kalesh A P
2019-12-10 15:05 ` [dpdk-dev] [PATCH 4/6] net/bnxt: remove unnecessary macro for unused variables Kalesh A P
2019-12-10 15:05 ` [dpdk-dev] [PATCH 5/6] net/bnxt: reset filter indices on free Kalesh A P
2019-12-10 15:05 ` [dpdk-dev] [PATCH 6/6] net/bnxt: add a field for fw capabilities Kalesh A P
2019-12-13 22:41 ` [dpdk-dev] [PATCH 0/6] bnxt patchset Ajit Khaparde

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