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path: root/drivers/net/ethernet/sfc/ef100_nic.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/ef100_nic.c')
-rw-r--r--drivers/net/ethernet/sfc/ef100_nic.c114
1 files changed, 81 insertions, 33 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c
index ad686c671ab8..4dc643b0d2db 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -130,23 +130,34 @@ static void ef100_mcdi_reboot_detected(struct efx_nic *efx)
/* MCDI calls
*/
-static int ef100_get_mac_address(struct efx_nic *efx, u8 *mac_address)
+int ef100_get_mac_address(struct efx_nic *efx, u8 *mac_address,
+ int client_handle, bool empty_ok)
{
- MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN);
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CLIENT_MAC_ADDRESSES_OUT_LEN(1));
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_CLIENT_MAC_ADDRESSES_IN_LEN);
size_t outlen;
int rc;
BUILD_BUG_ON(MC_CMD_GET_MAC_ADDRESSES_IN_LEN != 0);
+ MCDI_SET_DWORD(inbuf, GET_CLIENT_MAC_ADDRESSES_IN_CLIENT_HANDLE,
+ client_handle);
- rc = efx_mcdi_rpc(efx, MC_CMD_GET_MAC_ADDRESSES, NULL, 0,
- outbuf, sizeof(outbuf), &outlen);
+ rc = efx_mcdi_rpc(efx, MC_CMD_GET_CLIENT_MAC_ADDRESSES, inbuf,
+ sizeof(inbuf), outbuf, sizeof(outbuf), &outlen);
if (rc)
return rc;
- if (outlen < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)
- return -EIO;
- ether_addr_copy(mac_address,
- MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE));
+ if (outlen >= MC_CMD_GET_CLIENT_MAC_ADDRESSES_OUT_LEN(1)) {
+ ether_addr_copy(mac_address,
+ MCDI_PTR(outbuf, GET_CLIENT_MAC_ADDRESSES_OUT_MAC_ADDRS));
+ } else if (empty_ok) {
+ pci_warn(efx->pci_dev,
+ "No MAC address provisioned for client ID %#x.\n",
+ client_handle);
+ eth_zero_addr(mac_address);
+ } else {
+ return -ENOENT;
+ }
return 0;
}
@@ -388,14 +399,14 @@ static int ef100_filter_table_up(struct efx_nic *efx)
* filter insertion will need to take the lock for read.
*/
up_write(&efx->filter_sem);
-#ifdef CONFIG_SFC_SRIOV
- rc = efx_tc_insert_rep_filters(efx);
+ if (IS_ENABLED(CONFIG_SFC_SRIOV))
+ rc = efx_tc_insert_rep_filters(efx);
+
/* Rep filter failure is nonfatal */
if (rc)
netif_warn(efx, drv, efx->net_dev,
"Failed to insert representor filters, rc %d\n",
rc);
-#endif
return 0;
fail_vlan0:
@@ -408,9 +419,8 @@ fail_unspec:
static void ef100_filter_table_down(struct efx_nic *efx)
{
-#ifdef CONFIG_SFC_SRIOV
- efx_tc_remove_rep_filters(efx);
-#endif
+ if (IS_ENABLED(CONFIG_SFC_SRIOV))
+ efx_tc_remove_rep_filters(efx);
down_write(&efx->filter_sem);
efx_mcdi_filter_del_vlan(efx, 0);
efx_mcdi_filter_del_vlan(efx, EFX_FILTER_VID_UNSPEC);
@@ -726,7 +736,6 @@ static unsigned int efx_ef100_recycle_ring_size(const struct efx_nic *efx)
return 10 * EFX_RECYCLE_RING_SIZE_10G;
}
-#ifdef CONFIG_SFC_SRIOV
static int efx_ef100_get_base_mport(struct efx_nic *efx)
{
struct ef100_nic_data *nic_data = efx->nic_data;
@@ -736,7 +745,7 @@ static int efx_ef100_get_base_mport(struct efx_nic *efx)
/* Construct mport selector for "physical network port" */
efx_mae_mport_wire(efx, &selector);
/* Look up actual mport ID */
- rc = efx_mae_lookup_mport(efx, selector, &id);
+ rc = efx_mae_fw_lookup_mport(efx, selector, &id);
if (rc)
return rc;
/* The ID should always fit in 16 bits, because that's how wide the
@@ -747,9 +756,21 @@ static int efx_ef100_get_base_mport(struct efx_nic *efx)
id);
nic_data->base_mport = id;
nic_data->have_mport = true;
+
+ /* Construct mport selector for "calling PF" */
+ efx_mae_mport_uplink(efx, &selector);
+ /* Look up actual mport ID */
+ rc = efx_mae_fw_lookup_mport(efx, selector, &id);
+ if (rc)
+ return rc;
+ if (id >> 16)
+ netif_warn(efx, probe, efx->net_dev, "Bad own m-port id %#x\n",
+ id);
+ nic_data->own_mport = id;
+ nic_data->have_own_mport = true;
+
return 0;
}
-#endif
static int compare_versions(const char *a, const char *b)
{
@@ -1098,23 +1119,42 @@ fail:
return rc;
}
+/* MCDI commands are related to the same device issuing them. This function
+ * allows to do an MCDI command on behalf of another device, mainly PFs setting
+ * things for VFs.
+ */
+int efx_ef100_lookup_client_id(struct efx_nic *efx, efx_qword_t pciefn, u32 *id)
+{
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CLIENT_HANDLE_OUT_LEN);
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_CLIENT_HANDLE_IN_LEN);
+ u64 pciefn_flat = le64_to_cpu(pciefn.u64[0]);
+ size_t outlen;
+ int rc;
+
+ MCDI_SET_DWORD(inbuf, GET_CLIENT_HANDLE_IN_TYPE,
+ MC_CMD_GET_CLIENT_HANDLE_IN_TYPE_FUNC);
+ MCDI_SET_QWORD(inbuf, GET_CLIENT_HANDLE_IN_FUNC,
+ pciefn_flat);
+
+ rc = efx_mcdi_rpc(efx, MC_CMD_GET_CLIENT_HANDLE, inbuf, sizeof(inbuf),
+ outbuf, sizeof(outbuf), &outlen);
+ if (rc)
+ return rc;
+ if (outlen < sizeof(outbuf))
+ return -EIO;
+ *id = MCDI_DWORD(outbuf, GET_CLIENT_HANDLE_OUT_HANDLE);
+ return 0;
+}
+
int ef100_probe_netdev_pf(struct efx_nic *efx)
{
struct ef100_nic_data *nic_data = efx->nic_data;
struct net_device *net_dev = efx->net_dev;
int rc;
- rc = ef100_get_mac_address(efx, net_dev->perm_addr);
- if (rc)
- goto fail;
- /* Assign MAC address */
- eth_hw_addr_set(net_dev, net_dev->perm_addr);
- memcpy(nic_data->port_id, net_dev->perm_addr, ETH_ALEN);
-
- if (!nic_data->grp_mae)
+ if (!IS_ENABLED(CONFIG_SFC_SRIOV) || !nic_data->grp_mae)
return 0;
-#ifdef CONFIG_SFC_SRIOV
rc = efx_init_struct_tc(efx);
if (rc)
return rc;
@@ -1126,6 +1166,14 @@ int ef100_probe_netdev_pf(struct efx_nic *efx)
rc);
}
+ rc = efx_init_mae(efx);
+ if (rc)
+ netif_warn(efx, probe, net_dev,
+ "Failed to init MAE rc %d; representors will not function\n",
+ rc);
+ else
+ efx_ef100_init_reps(efx);
+
rc = efx_init_tc(efx);
if (rc) {
/* Either we don't have an MAE at all (i.e. legacy v-switching),
@@ -1141,10 +1189,6 @@ int ef100_probe_netdev_pf(struct efx_nic *efx)
net_dev->features |= NETIF_F_HW_TC;
efx->fixed_features |= NETIF_F_HW_TC;
}
-#endif
- return 0;
-
-fail:
return rc;
}
@@ -1157,6 +1201,11 @@ void ef100_remove(struct efx_nic *efx)
{
struct ef100_nic_data *nic_data = efx->nic_data;
+ if (IS_ENABLED(CONFIG_SFC_SRIOV) && efx->mae) {
+ efx_ef100_fini_reps(efx);
+ efx_fini_mae(efx);
+ }
+
efx_mcdi_detach(efx);
efx_mcdi_fini(efx);
if (nic_data)
@@ -1249,9 +1298,8 @@ const struct efx_nic_type ef100_pf_nic_type = {
.update_stats = ef100_update_stats,
.pull_stats = efx_mcdi_mac_pull_stats,
.stop_stats = efx_mcdi_mac_stop_stats,
-#ifdef CONFIG_SFC_SRIOV
- .sriov_configure = efx_ef100_sriov_configure,
-#endif
+ .sriov_configure = IS_ENABLED(CONFIG_SFC_SRIOV) ?
+ efx_ef100_sriov_configure : NULL,
/* Per-type bar/size configuration not used on ef100. Location of
* registers is defined by extended capabilities.
generated by cgit (git 2.34.1) at 2024-05-28 00:22:46 +0000