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authorJakub Kicinski <jakub.kicinski@netronome.com>2017-07-04 02:27:20 -0700
committerDavid S. Miller <davem@davemloft.net>2017-07-05 09:13:07 +0100
commitcb2cda484840730f0f7683286fa2a25dc1dbecf0 (patch)
tree28056845e57903f376a84fd05789d1d53700906d /drivers/net
parent2eb333c4b442c4bcab79ada53019d4a47f252e46 (diff)
nfp: remove legacy MAC address lookup
The legacy MAC address lookup doesn't work well with breakout cables. We are probably better off picking random addresses than the wrong ones in the theoretical scenario where management FW didn't tell us what the port config is. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/main.c3
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_app_nic.c2
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_main.h3
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_main.c34
4 files changed, 8 insertions, 34 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index 5fe6d3582597..fc10f27e0a0c 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -245,8 +245,7 @@ nfp_flower_spawn_phy_reprs(struct nfp_app *app, struct nfp_flower_priv *priv)
}
SET_NETDEV_DEV(reprs->reprs[phys_port], &priv->nn->pdev->dev);
- nfp_net_get_mac_addr(app->pf, port,
- eth_tbl->ports[i].eth_index);
+ nfp_net_get_mac_addr(app->pf, port);
cmsg_port_id = nfp_flower_cmsg_phys_port(phys_port);
err = nfp_repr_init(app, reprs->reprs[phys_port],
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app_nic.c b/drivers/net/ethernet/netronome/nfp/nfp_app_nic.c
index c11a6c34e217..4e37c81f9eaf 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_app_nic.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_app_nic.c
@@ -69,7 +69,7 @@ int nfp_app_nic_vnic_init(struct nfp_app *app, struct nfp_net *nn,
if (err)
return err < 0 ? err : 0;
- nfp_net_get_mac_addr(app->pf, nn->port, id);
+ nfp_net_get_mac_addr(app->pf, nn->port);
return 0;
}
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.h b/drivers/net/ethernet/netronome/nfp/nfp_main.h
index 365252ab4660..6922410806db 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.h
@@ -149,8 +149,7 @@ void nfp_net_pci_remove(struct nfp_pf *pf);
int nfp_hwmon_register(struct nfp_pf *pf);
void nfp_hwmon_unregister(struct nfp_pf *pf);
-void
-nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port, unsigned int id);
+void nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port);
bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
index bfcdada29cc0..5797dbf2b507 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
@@ -84,46 +84,22 @@ static int nfp_is_ready(struct nfp_pf *pf)
* nfp_net_get_mac_addr() - Get the MAC address.
* @pf: NFP PF handle
* @port: NFP port structure
- * @id: NFP port id
*
* First try to get the MAC address from NSP ETH table. If that
- * fails try HWInfo. As a last resort generate a random address.
+ * fails generate a random address.
*/
-void
-nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port, unsigned int id)
+void nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port)
{
struct nfp_eth_table_port *eth_port;
- u8 mac_addr[ETH_ALEN];
- const char *mac_str;
- char name[32];
eth_port = __nfp_port_get_eth_port(port);
- if (eth_port) {
- ether_addr_copy(port->netdev->dev_addr, eth_port->mac_addr);
- ether_addr_copy(port->netdev->perm_addr, eth_port->mac_addr);
- return;
- }
-
- snprintf(name, sizeof(name), "eth%d.mac", id);
-
- mac_str = nfp_hwinfo_lookup(pf->hwinfo, name);
- if (!mac_str) {
- nfp_warn(pf->cpp, "Can't lookup MAC address. Generate\n");
- eth_hw_addr_random(port->netdev);
- return;
- }
-
- if (sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- &mac_addr[0], &mac_addr[1], &mac_addr[2],
- &mac_addr[3], &mac_addr[4], &mac_addr[5]) != 6) {
- nfp_warn(pf->cpp, "Can't parse MAC address (%s). Generate.\n",
- mac_str);
+ if (!eth_port) {
eth_hw_addr_random(port->netdev);
return;
}
- ether_addr_copy(port->netdev->dev_addr, mac_addr);
- ether_addr_copy(port->netdev->perm_addr, mac_addr);
+ ether_addr_copy(port->netdev->dev_addr, eth_port->mac_addr);
+ ether_addr_copy(port->netdev->perm_addr, eth_port->mac_addr);
}
static struct nfp_eth_table_port *