* [PATCH net-next 11/12] ethernet: ibmveth: use ether_addr_to_u64()
[not found] <20211015221652.827253-1-kuba@kernel.org>
@ 2021-10-15 22:16 ` Jakub Kicinski
2021-10-15 22:28 ` Tyrel Datwyler
0 siblings, 1 reply; 2+ messages in thread
From: Jakub Kicinski @ 2021-10-15 22:16 UTC (permalink / raw)
To: davem; +Cc: cforno12, netdev, paulus, Jakub Kicinski, linuxppc-dev
We'll want to make netdev->dev_addr const, remove the local
helper which is missing a const qualifier on the argument
and use ether_addr_to_u64().
Similar story to mlx4.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
CC: cforno12@linux.ibm.com
CC: mpe@ellerman.id.au
CC: benh@kernel.crashing.org
CC: paulus@samba.org
CC: linuxppc-dev@lists.ozlabs.org
---
drivers/net/ethernet/ibm/ibmveth.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 836617fb3f40..45ba40cf4d07 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -483,17 +483,6 @@ static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter,
return rc;
}
-static u64 ibmveth_encode_mac_addr(u8 *mac)
-{
- int i;
- u64 encoded = 0;
-
- for (i = 0; i < ETH_ALEN; i++)
- encoded = (encoded << 8) | mac[i];
-
- return encoded;
-}
-
static int ibmveth_open(struct net_device *netdev)
{
struct ibmveth_adapter *adapter = netdev_priv(netdev);
@@ -553,7 +542,7 @@ static int ibmveth_open(struct net_device *netdev)
adapter->rx_queue.num_slots = rxq_entries;
adapter->rx_queue.toggle = 1;
- mac_address = ibmveth_encode_mac_addr(netdev->dev_addr);
+ mac_address = ether_addr_to_u64(netdev->dev_addr);
rxq_desc.fields.flags_len = IBMVETH_BUF_VALID |
adapter->rx_queue.queue_len;
@@ -1476,7 +1465,7 @@ static void ibmveth_set_multicast_list(struct net_device *netdev)
netdev_for_each_mc_addr(ha, netdev) {
/* add the multicast address to the filter table */
u64 mcast_addr;
- mcast_addr = ibmveth_encode_mac_addr(ha->addr);
+ mcast_addr = ether_addr_to_u64(ha->addr);
lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address,
IbmVethMcastAddFilter,
mcast_addr);
@@ -1606,7 +1595,7 @@ static int ibmveth_set_mac_addr(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
- mac_address = ibmveth_encode_mac_addr(addr->sa_data);
+ mac_address = ether_addr_to_u64(addr->sa_data);
rc = h_change_logical_lan_mac(adapter->vdev->unit_address, mac_address);
if (rc) {
netdev_err(adapter->netdev, "h_change_logical_lan_mac failed with rc=%d\n", rc);
--
2.31.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next 11/12] ethernet: ibmveth: use ether_addr_to_u64()
2021-10-15 22:16 ` [PATCH net-next 11/12] ethernet: ibmveth: use ether_addr_to_u64() Jakub Kicinski
@ 2021-10-15 22:28 ` Tyrel Datwyler
0 siblings, 0 replies; 2+ messages in thread
From: Tyrel Datwyler @ 2021-10-15 22:28 UTC (permalink / raw)
To: Jakub Kicinski, davem; +Cc: cforno12, paulus, linuxppc-dev, netdev
On 10/15/21 3:16 PM, Jakub Kicinski wrote:
> We'll want to make netdev->dev_addr const, remove the local
> helper which is missing a const qualifier on the argument
> and use ether_addr_to_u64().
LGTM. ibmveth_encode_mac_addr() is clearly code duplication of
ether_addr_to_u64() minus the const qualifier.
Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com>
>
> Similar story to mlx4.
>
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> ---
> CC: cforno12@linux.ibm.com
> CC: mpe@ellerman.id.au
> CC: benh@kernel.crashing.org
> CC: paulus@samba.org
> CC: linuxppc-dev@lists.ozlabs.org
> ---
> drivers/net/ethernet/ibm/ibmveth.c | 17 +++--------------
> 1 file changed, 3 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
> index 836617fb3f40..45ba40cf4d07 100644
> --- a/drivers/net/ethernet/ibm/ibmveth.c
> +++ b/drivers/net/ethernet/ibm/ibmveth.c
> @@ -483,17 +483,6 @@ static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter,
> return rc;
> }
>
> -static u64 ibmveth_encode_mac_addr(u8 *mac)
> -{
> - int i;
> - u64 encoded = 0;
> -
> - for (i = 0; i < ETH_ALEN; i++)
> - encoded = (encoded << 8) | mac[i];
> -
> - return encoded;
> -}
> -
> static int ibmveth_open(struct net_device *netdev)
> {
> struct ibmveth_adapter *adapter = netdev_priv(netdev);
> @@ -553,7 +542,7 @@ static int ibmveth_open(struct net_device *netdev)
> adapter->rx_queue.num_slots = rxq_entries;
> adapter->rx_queue.toggle = 1;
>
> - mac_address = ibmveth_encode_mac_addr(netdev->dev_addr);
> + mac_address = ether_addr_to_u64(netdev->dev_addr);
>
> rxq_desc.fields.flags_len = IBMVETH_BUF_VALID |
> adapter->rx_queue.queue_len;
> @@ -1476,7 +1465,7 @@ static void ibmveth_set_multicast_list(struct net_device *netdev)
> netdev_for_each_mc_addr(ha, netdev) {
> /* add the multicast address to the filter table */
> u64 mcast_addr;
> - mcast_addr = ibmveth_encode_mac_addr(ha->addr);
> + mcast_addr = ether_addr_to_u64(ha->addr);
> lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address,
> IbmVethMcastAddFilter,
> mcast_addr);
> @@ -1606,7 +1595,7 @@ static int ibmveth_set_mac_addr(struct net_device *dev, void *p)
> if (!is_valid_ether_addr(addr->sa_data))
> return -EADDRNOTAVAIL;
>
> - mac_address = ibmveth_encode_mac_addr(addr->sa_data);
> + mac_address = ether_addr_to_u64(addr->sa_data);
> rc = h_change_logical_lan_mac(adapter->vdev->unit_address, mac_address);
> if (rc) {
> netdev_err(adapter->netdev, "h_change_logical_lan_mac failed with rc=%d\n", rc);
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-10-15 22:16 ` [PATCH net-next 11/12] ethernet: ibmveth: use ether_addr_to_u64() Jakub Kicinski
2021-10-15 22:28 ` Tyrel Datwyler
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