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From: Ivan Mikhaylov <fr0st61te@gmail.com>
To: Samuel Mendoza-Jonas <sam@mendozajonas.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Vijay Khemka <vijaykhemka@fb.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	openbmc@lists.ozlabs.org, Ivan Mikhaylov <fr0st61te@gmail.com>,
	Simon Horman <simon.horman@corigine.com>
Subject: [PATCH v3 1/2] net/ncsi: make one oem_gma function for all mfr id
Date: Wed,  7 Jun 2023 18:17:41 +0300	[thread overview]
Message-ID: <20230607151742.6699-2-fr0st61te@gmail.com> (raw)
In-Reply-To: <20230607151742.6699-1-fr0st61te@gmail.com>

Make the one Get Mac Address function for all manufacturers and change
this call in handlers accordingly.

Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Ivan Mikhaylov <fr0st61te@gmail.com>
---
 net/ncsi/ncsi-rsp.c | 88 ++++++++++-----------------------------------
 1 file changed, 19 insertions(+), 69 deletions(-)

diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index 6447a09932f5..91c42253a711 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -611,14 +611,15 @@ static int ncsi_rsp_handler_snfc(struct ncsi_request *nr)
 	return 0;
 }
 
-/* Response handler for Mellanox command Get Mac Address */
-static int ncsi_rsp_handler_oem_mlx_gma(struct ncsi_request *nr)
+/* Response handler for Get Mac Address command */
+static int ncsi_rsp_handler_oem_gma(struct ncsi_request *nr, int mfr_id)
 {
 	struct ncsi_dev_priv *ndp = nr->ndp;
 	struct net_device *ndev = ndp->ndev.dev;
 	const struct net_device_ops *ops = ndev->netdev_ops;
 	struct ncsi_rsp_oem_pkt *rsp;
 	struct sockaddr saddr;
+	u32 mac_addr_off = 0;
 	int ret = 0;
 
 	/* Get the response header */
@@ -626,7 +627,19 @@ static int ncsi_rsp_handler_oem_mlx_gma(struct ncsi_request *nr)
 
 	saddr.sa_family = ndev->type;
 	ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
-	memcpy(saddr.sa_data, &rsp->data[MLX_MAC_ADDR_OFFSET], ETH_ALEN);
+	if (mfr_id == NCSI_OEM_MFR_BCM_ID)
+		mac_addr_off = BCM_MAC_ADDR_OFFSET;
+	else if (mfr_id == NCSI_OEM_MFR_MLX_ID)
+		mac_addr_off = MLX_MAC_ADDR_OFFSET;
+	else if (mfr_id == NCSI_OEM_MFR_INTEL_ID)
+		mac_addr_off = INTEL_MAC_ADDR_OFFSET;
+
+	memcpy(saddr.sa_data, &rsp->data[mac_addr_off], ETH_ALEN);
+	if (mfr_id == NCSI_OEM_MFR_BCM_ID || mfr_id == NCSI_OEM_MFR_INTEL_ID)
+		eth_addr_inc((u8 *)saddr.sa_data);
+	if (!is_valid_ether_addr((const u8 *)saddr.sa_data))
+		return -ENXIO;
+
 	/* Set the flag for GMA command which should only be called once */
 	ndp->gma_flag = 1;
 
@@ -649,41 +662,10 @@ static int ncsi_rsp_handler_oem_mlx(struct ncsi_request *nr)
 
 	if (mlx->cmd == NCSI_OEM_MLX_CMD_GMA &&
 	    mlx->param == NCSI_OEM_MLX_CMD_GMA_PARAM)
-		return ncsi_rsp_handler_oem_mlx_gma(nr);
+		return ncsi_rsp_handler_oem_gma(nr, NCSI_OEM_MFR_MLX_ID);
 	return 0;
 }
 
-/* Response handler for Broadcom command Get Mac Address */
-static int ncsi_rsp_handler_oem_bcm_gma(struct ncsi_request *nr)
-{
-	struct ncsi_dev_priv *ndp = nr->ndp;
-	struct net_device *ndev = ndp->ndev.dev;
-	const struct net_device_ops *ops = ndev->netdev_ops;
-	struct ncsi_rsp_oem_pkt *rsp;
-	struct sockaddr saddr;
-	int ret = 0;
-
-	/* Get the response header */
-	rsp = (struct ncsi_rsp_oem_pkt *)skb_network_header(nr->rsp);
-
-	saddr.sa_family = ndev->type;
-	ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
-	memcpy(saddr.sa_data, &rsp->data[BCM_MAC_ADDR_OFFSET], ETH_ALEN);
-	/* Increase mac address by 1 for BMC's address */
-	eth_addr_inc((u8 *)saddr.sa_data);
-	if (!is_valid_ether_addr((const u8 *)saddr.sa_data))
-		return -ENXIO;
-
-	/* Set the flag for GMA command which should only be called once */
-	ndp->gma_flag = 1;
-
-	ret = ops->ndo_set_mac_address(ndev, &saddr);
-	if (ret < 0)
-		netdev_warn(ndev, "NCSI: 'Writing mac address to device failed\n");
-
-	return ret;
-}
-
 /* Response handler for Broadcom card */
 static int ncsi_rsp_handler_oem_bcm(struct ncsi_request *nr)
 {
@@ -695,42 +677,10 @@ static int ncsi_rsp_handler_oem_bcm(struct ncsi_request *nr)
 	bcm = (struct ncsi_rsp_oem_bcm_pkt *)(rsp->data);
 
 	if (bcm->type == NCSI_OEM_BCM_CMD_GMA)
-		return ncsi_rsp_handler_oem_bcm_gma(nr);
+		return ncsi_rsp_handler_oem_gma(nr, NCSI_OEM_MFR_BCM_ID);
 	return 0;
 }
 
-/* Response handler for Intel command Get Mac Address */
-static int ncsi_rsp_handler_oem_intel_gma(struct ncsi_request *nr)
-{
-	struct ncsi_dev_priv *ndp = nr->ndp;
-	struct net_device *ndev = ndp->ndev.dev;
-	const struct net_device_ops *ops = ndev->netdev_ops;
-	struct ncsi_rsp_oem_pkt *rsp;
-	struct sockaddr saddr;
-	int ret = 0;
-
-	/* Get the response header */
-	rsp = (struct ncsi_rsp_oem_pkt *)skb_network_header(nr->rsp);
-
-	saddr.sa_family = ndev->type;
-	ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
-	memcpy(saddr.sa_data, &rsp->data[INTEL_MAC_ADDR_OFFSET], ETH_ALEN);
-	/* Increase mac address by 1 for BMC's address */
-	eth_addr_inc((u8 *)saddr.sa_data);
-	if (!is_valid_ether_addr((const u8 *)saddr.sa_data))
-		return -ENXIO;
-
-	/* Set the flag for GMA command which should only be called once */
-	ndp->gma_flag = 1;
-
-	ret = ops->ndo_set_mac_address(ndev, &saddr);
-	if (ret < 0)
-		netdev_warn(ndev,
-			    "NCSI: 'Writing mac address to device failed\n");
-
-	return ret;
-}
-
 /* Response handler for Intel card */
 static int ncsi_rsp_handler_oem_intel(struct ncsi_request *nr)
 {
@@ -742,7 +692,7 @@ static int ncsi_rsp_handler_oem_intel(struct ncsi_request *nr)
 	intel = (struct ncsi_rsp_oem_intel_pkt *)(rsp->data);
 
 	if (intel->cmd == NCSI_OEM_INTEL_CMD_GMA)
-		return ncsi_rsp_handler_oem_intel_gma(nr);
+		return ncsi_rsp_handler_oem_gma(nr, NCSI_OEM_MFR_INTEL_ID);
 
 	return 0;
 }
-- 
2.40.1


  reply	other threads:[~2023-06-07 15:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-07 15:17 [PATCH v3 0/2] net/ncsi: refactoring for GMA command Ivan Mikhaylov
2023-06-07 15:17 ` Ivan Mikhaylov [this message]
2023-06-07 15:17 ` [PATCH v3 2/2] net/ncsi: change from ndo_set_mac_address to dev_set_mac_address Ivan Mikhaylov
2023-06-08 10:49   ` Simon Horman
2023-06-09  9:40 ` [PATCH v3 0/2] net/ncsi: refactoring for GMA command patchwork-bot+netdevbpf

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