static int qede_open(struct net_device *ndev);
static int qede_close(struct net_device *ndev);
+static int qede_set_mac_addr(struct net_device *ndev, void *p);
+static void qede_set_rx_mode(struct net_device *ndev);
+static void qede_config_rx_mode(struct net_device *ndev);
+
+static int qede_set_ucast_rx_mac(struct qede_dev *edev,
+ enum qed_filter_xcast_params_type opcode,
+ unsigned char mac[ETH_ALEN])
+{
+ struct qed_filter_params filter_cmd;
+
+ memset(&filter_cmd, 0, sizeof(filter_cmd));
+ filter_cmd.type = QED_FILTER_TYPE_UCAST;
+ filter_cmd.filter.ucast.type = opcode;
+ filter_cmd.filter.ucast.mac_valid = 1;
+ ether_addr_copy(filter_cmd.filter.ucast.mac, mac);
+
+ return edev->ops->filter_config(edev->cdev, &filter_cmd);
+}
+
static const struct net_device_ops qede_netdev_ops = {
.ndo_open = qede_open,
.ndo_stop = qede_close,
.ndo_start_xmit = qede_start_xmit,
+ .ndo_set_rx_mode = qede_set_rx_mode,
+ .ndo_set_mac_address = qede_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
return -ENOMEM;
}
+static void qede_sp_task(struct work_struct *work)
+{
+ struct qede_dev *edev = container_of(work, struct qede_dev,
+ sp_task.work);
+ mutex_lock(&edev->qede_lock);
+
+ if (edev->state == QEDE_STATE_OPEN) {
+ if (test_and_clear_bit(QEDE_SP_RX_MODE, &edev->sp_flags))
+ qede_config_rx_mode(edev->ndev);
+ }
+
+ mutex_unlock(&edev->qede_lock);
+}
+
static void qede_update_pf_params(struct qed_dev *cdev)
{
struct qed_pf_params pf_params;
edev->ops->common->set_id(cdev, edev->ndev->name, DRV_MODULE_VERSION);
+ INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task);
+ mutex_init(&edev->qede_lock);
+
DP_INFO(edev, "Ending successfully qede probe\n");
return 0;
DP_INFO(edev, "Starting qede_remove\n");
+ cancel_delayed_work_sync(&edev->sp_task);
unregister_netdev(ndev);
edev->ops->common->set_power_state(cdev, PCI_D0);
return 0;
}
+static int qede_set_mcast_rx_mac(struct qede_dev *edev,
+ enum qed_filter_xcast_params_type opcode,
+ unsigned char *mac, int num_macs)
+{
+ struct qed_filter_params filter_cmd;
+ int i;
+
+ memset(&filter_cmd, 0, sizeof(filter_cmd));
+ filter_cmd.type = QED_FILTER_TYPE_MCAST;
+ filter_cmd.filter.mcast.type = opcode;
+ filter_cmd.filter.mcast.num = num_macs;
+
+ for (i = 0; i < num_macs; i++, mac += ETH_ALEN)
+ ether_addr_copy(filter_cmd.filter.mcast.mac[i], mac);
+
+ return edev->ops->filter_config(edev->cdev, &filter_cmd);
+}
+
enum qede_unload_mode {
QEDE_UNLOAD_NORMAL,
};
DP_INFO(edev, "Starting qede unload\n");
+ mutex_lock(&edev->qede_lock);
+ edev->state = QEDE_STATE_CLOSED;
+
/* Close OS Tx */
netif_tx_disable(edev->ndev);
netif_carrier_off(edev->ndev);
/* Add primary mac and set Rx filters */
ether_addr_copy(edev->primary_mac, edev->ndev->dev_addr);
+ mutex_lock(&edev->qede_lock);
+ edev->state = QEDE_STATE_OPEN;
+ mutex_unlock(&edev->qede_lock);
DP_INFO(edev, "Ending successfully qede load\n");
return 0;
return 0;
}
+
+static int qede_set_mac_addr(struct net_device *ndev, void *p)
+{
+ struct qede_dev *edev = netdev_priv(ndev);
+ struct sockaddr *addr = p;
+ int rc;
+
+ ASSERT_RTNL(); /* @@@TBD To be removed */
+
+ DP_INFO(edev, "Set_mac_addr called\n");
+
+ if (!is_valid_ether_addr(addr->sa_data)) {
+ DP_NOTICE(edev, "The MAC address is not valid\n");
+ return -EFAULT;
+ }
+
+ ether_addr_copy(ndev->dev_addr, addr->sa_data);
+
+ if (!netif_running(ndev)) {
+ DP_NOTICE(edev, "The device is currently down\n");
+ return 0;
+ }
+
+ /* Remove the previous primary mac */
+ rc = qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_DEL,
+ edev->primary_mac);
+ if (rc)
+ return rc;
+
+ /* Add MAC filter according to the new unicast HW MAC address */
+ ether_addr_copy(edev->primary_mac, ndev->dev_addr);
+ return qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_ADD,
+ edev->primary_mac);
+}
+
+static int
+qede_configure_mcast_filtering(struct net_device *ndev,
+ enum qed_filter_rx_mode_type *accept_flags)
+{
+ struct qede_dev *edev = netdev_priv(ndev);
+ unsigned char *mc_macs, *temp;
+ struct netdev_hw_addr *ha;
+ int rc = 0, mc_count;
+ size_t size;
+
+ size = 64 * ETH_ALEN;
+
+ mc_macs = kzalloc(size, GFP_KERNEL);
+ if (!mc_macs) {
+ DP_NOTICE(edev,
+ "Failed to allocate memory for multicast MACs\n");
+ rc = -ENOMEM;
+ goto exit;
+ }
+
+ temp = mc_macs;
+
+ /* Remove all previously configured MAC filters */
+ rc = qede_set_mcast_rx_mac(edev, QED_FILTER_XCAST_TYPE_DEL,
+ mc_macs, 1);
+ if (rc)
+ goto exit;
+
+ netif_addr_lock_bh(ndev);
+
+ mc_count = netdev_mc_count(ndev);
+ if (mc_count < 64) {
+ netdev_for_each_mc_addr(ha, ndev) {
+ ether_addr_copy(temp, ha->addr);
+ temp += ETH_ALEN;
+ }
+ }
+
+ netif_addr_unlock_bh(ndev);
+
+ /* Check for all multicast @@@TBD resource allocation */
+ if ((ndev->flags & IFF_ALLMULTI) ||
+ (mc_count > 64)) {
+ if (*accept_flags == QED_FILTER_RX_MODE_TYPE_REGULAR)
+ *accept_flags = QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC;
+ } else {
+ /* Add all multicast MAC filters */
+ rc = qede_set_mcast_rx_mac(edev, QED_FILTER_XCAST_TYPE_ADD,
+ mc_macs, mc_count);
+ }
+
+exit:
+ kfree(mc_macs);
+ return rc;
+}
+
+static void qede_set_rx_mode(struct net_device *ndev)
+{
+ struct qede_dev *edev = netdev_priv(ndev);
+
+ DP_INFO(edev, "qede_set_rx_mode called\n");
+
+ if (edev->state != QEDE_STATE_OPEN) {
+ DP_INFO(edev,
+ "qede_set_rx_mode called while interface is down\n");
+ } else {
+ set_bit(QEDE_SP_RX_MODE, &edev->sp_flags);
+ schedule_delayed_work(&edev->sp_task, 0);
+ }
+}
+
+/* Must be called with qede_lock held */
+static void qede_config_rx_mode(struct net_device *ndev)
+{
+ enum qed_filter_rx_mode_type accept_flags = QED_FILTER_TYPE_UCAST;
+ struct qede_dev *edev = netdev_priv(ndev);
+ struct qed_filter_params rx_mode;
+ unsigned char *uc_macs, *temp;
+ struct netdev_hw_addr *ha;
+ int rc, uc_count;
+ size_t size;
+
+ netif_addr_lock_bh(ndev);
+
+ uc_count = netdev_uc_count(ndev);
+ size = uc_count * ETH_ALEN;
+
+ uc_macs = kzalloc(size, GFP_ATOMIC);
+ if (!uc_macs) {
+ DP_NOTICE(edev, "Failed to allocate memory for unicast MACs\n");
+ netif_addr_unlock_bh(ndev);
+ return;
+ }
+
+ temp = uc_macs;
+ netdev_for_each_uc_addr(ha, ndev) {
+ ether_addr_copy(temp, ha->addr);
+ temp += ETH_ALEN;
+ }
+
+ netif_addr_unlock_bh(ndev);
+
+ /* Configure the struct for the Rx mode */
+ memset(&rx_mode, 0, sizeof(struct qed_filter_params));
+ rx_mode.type = QED_FILTER_TYPE_RX_MODE;
+
+ /* Remove all previous unicast secondary macs and multicast macs
+ * (configrue / leave the primary mac)
+ */
+ rc = qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_REPLACE,
+ edev->primary_mac);
+ if (rc)
+ goto out;
+
+ /* Check for promiscuous */
+ if ((ndev->flags & IFF_PROMISC) ||
+ (uc_count > 15)) { /* @@@TBD resource allocation - 1 */
+ accept_flags = QED_FILTER_RX_MODE_TYPE_PROMISC;
+ } else {
+ /* Add MAC filters according to the unicast secondary macs */
+ int i;
+
+ temp = uc_macs;
+ for (i = 0; i < uc_count; i++) {
+ rc = qede_set_ucast_rx_mac(edev,
+ QED_FILTER_XCAST_TYPE_ADD,
+ temp);
+ if (rc)
+ goto out;
+
+ temp += ETH_ALEN;
+ }
+
+ rc = qede_configure_mcast_filtering(ndev, &accept_flags);
+ if (rc)
+ goto out;
+ }
+
+ rx_mode.filter.accept_flags = accept_flags;
+ edev->ops->filter_config(edev->cdev, &rx_mode);
+out:
+ kfree(uc_macs);
+}