2023-05-09 11:52:52

by Ivan Mikhaylov

Subject: [PATCH v2 1/5] net/ncsi: make one oem_gma function for all mfr id

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

Signed-off-by: Ivan Mikhaylov <[email protected]>
---
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

2023-05-09 14:54:46

by Simon Horman

Subject: Re: [PATCH v2 1/5] net/ncsi: make one oem_gma function for all mfr id

On Tue, May 09, 2023 at 02:35:00PM +0000, Ivan Mikhaylov wrote:
> Make the one Get Mac Address function for all manufacturers and change
> this call in handlers accordingly.
>
> Signed-off-by: Ivan Mikhaylov <[email protected]>

Reviewed-by: Simon Horman <[email protected]>