aboutsummaryrefslogtreecommitdiffstats
path: root/src/net
diff options
context:
space:
mode:
Diffstat (limited to 'src/net')
-rw-r--r--src/net/fcoe.c9
-rw-r--r--src/net/infiniband/xsigo.c4
-rw-r--r--src/net/ipv6.c4
-rw-r--r--src/net/lldp.c3
-rw-r--r--src/net/neighbour.c3
-rw-r--r--src/net/netdevice.c72
-rw-r--r--src/net/vlan.c9
7 files changed, 81 insertions, 23 deletions
diff --git a/src/net/fcoe.c b/src/net/fcoe.c
index f910eeead..70804dd03 100644
--- a/src/net/fcoe.c
+++ b/src/net/fcoe.c
@@ -1110,9 +1110,10 @@ static void fcoe_expired ( struct retry_timer *timer, int over __unused ) {
* Create FCoE port
*
* @v netdev Network device
+ * @v priv Private data
* @ret rc Return status code
*/
-static int fcoe_probe ( struct net_device *netdev ) {
+static int fcoe_probe ( struct net_device *netdev, void *priv __unused ) {
struct ll_protocol *ll_protocol = netdev->ll_protocol;
struct fcoe_port *fcoe;
int rc;
@@ -1162,8 +1163,9 @@ static int fcoe_probe ( struct net_device *netdev ) {
* Handle FCoE port device or link state change
*
* @v netdev Network device
+ * @v priv Private data
*/
-static void fcoe_notify ( struct net_device *netdev ) {
+static void fcoe_notify ( struct net_device *netdev, void *priv __unused ) {
struct fcoe_port *fcoe;
/* Sanity check */
@@ -1185,8 +1187,9 @@ static void fcoe_notify ( struct net_device *netdev ) {
* Destroy FCoE port
*
* @v netdev Network device
+ * @v priv Private data
*/
-static void fcoe_remove ( struct net_device *netdev ) {
+static void fcoe_remove ( struct net_device *netdev, void *priv __unused ) {
struct fcoe_port *fcoe;
/* Sanity check */
diff --git a/src/net/infiniband/xsigo.c b/src/net/infiniband/xsigo.c
index 4f5c618d7..5e805fa02 100644
--- a/src/net/infiniband/xsigo.c
+++ b/src/net/infiniband/xsigo.c
@@ -1829,8 +1829,10 @@ struct ib_driver xsigo_ib_driver __ib_driver = {
* Handle device or link status change
*
* @v netdev Network device
+ * @v priv Private data
*/
-static void xsigo_net_notify ( struct net_device *netdev ) {
+static void xsigo_net_notify ( struct net_device *netdev,
+ void *priv __unused ) {
struct xsigo_device *xdev;
struct ib_device *ibdev;
struct xsigo_manager *xcm;
diff --git a/src/net/ipv6.c b/src/net/ipv6.c
index ef5e51daa..a0173dfb1 100644
--- a/src/net/ipv6.c
+++ b/src/net/ipv6.c
@@ -1224,9 +1224,11 @@ struct ipv6_settings {
* Register IPv6 link-local address settings
*
* @v netdev Network device
+ * @v priv Private data
* @ret rc Return status code
*/
-static int ipv6_register_settings ( struct net_device *netdev ) {
+static int ipv6_register_settings ( struct net_device *netdev,
+ void *priv __unused ) {
struct settings *parent = netdev_settings ( netdev );
struct ipv6_settings *ipv6set;
int rc;
diff --git a/src/net/lldp.c b/src/net/lldp.c
index 72e3ecdf6..2ef32cb0c 100644
--- a/src/net/lldp.c
+++ b/src/net/lldp.c
@@ -296,9 +296,10 @@ struct net_protocol lldp_protocol __net_protocol = {
* Create LLDP settings block
*
* @v netdev Network device
+ * @v priv Private data
* @ret rc Return status code
*/
-static int lldp_probe ( struct net_device *netdev ) {
+static int lldp_probe ( struct net_device *netdev, void *priv __unused ) {
struct lldp_settings *lldpset;
int rc;
diff --git a/src/net/neighbour.c b/src/net/neighbour.c
index 7f66d9992..13a8bc3ba 100644
--- a/src/net/neighbour.c
+++ b/src/net/neighbour.c
@@ -383,8 +383,9 @@ int neighbour_define ( struct net_device *netdev,
* Update neighbour cache on network device state change or removal
*
* @v netdev Network device
+ * @v priv Private data
*/
-static void neighbour_flush ( struct net_device *netdev ) {
+static void neighbour_flush ( struct net_device *netdev, void *priv __unused ) {
struct neighbour *neighbour;
struct neighbour *tmp;
diff --git a/src/net/netdevice.c b/src/net/netdevice.c
index 915178218..a9ed18134 100644
--- a/src/net/netdevice.c
+++ b/src/net/netdevice.c
@@ -110,16 +110,63 @@ static int netdev_has_ll_addr ( struct net_device *netdev ) {
}
/**
+ * Get offset of network device driver private data
+ *
+ * @v driver Upper-layer driver, or NULL for device driver
+ * @ret offset Offset of driver private data
+ */
+static size_t netdev_priv_offset ( struct net_driver *driver ) {
+ struct net_device *netdev;
+ unsigned int num_configs;
+ size_t offset;
+
+ /* Allow space for network device */
+ offset = sizeof ( *netdev );
+
+ /* Allow space for configurations */
+ num_configs = table_num_entries ( NET_DEVICE_CONFIGURATORS );
+ offset += ( num_configs * sizeof ( netdev->configs[0] ) );
+
+ /* Place variable-length device driver private data at end */
+ if ( ! driver )
+ driver = table_end ( NET_DRIVERS );
+
+ /* Allow space for preceding upper-layer drivers' private data */
+ for_each_table_entry_continue_reverse ( driver, NET_DRIVERS ) {
+ offset += driver->priv_len;
+ }
+
+ /* Sanity check */
+ assert ( ( offset & ( sizeof ( void * ) - 1 ) ) == 0 );
+
+ return offset;
+}
+
+/**
+ * Get network device driver private data
+ *
+ * @v netdev Network device
+ * @v driver Upper-layer driver, or NULL for device driver
+ * @ret priv Driver private data
+ */
+void * netdev_priv ( struct net_device *netdev, struct net_driver *driver ) {
+
+ return ( ( ( void * ) netdev ) + netdev_priv_offset ( driver ) );
+}
+
+/**
* Notify drivers of network device or link state change
*
* @v netdev Network device
*/
static void netdev_notify ( struct net_device *netdev ) {
struct net_driver *driver;
+ void *priv;
for_each_table_entry ( driver, NET_DRIVERS ) {
+ priv = netdev_priv ( netdev, driver );
if ( driver->notify )
- driver->notify ( netdev );
+ driver->notify ( netdev, priv );
}
}
@@ -675,14 +722,8 @@ struct net_device * alloc_netdev ( size_t priv_len ) {
struct net_device *netdev;
struct net_device_configurator *configurator;
struct net_device_configuration *config;
- unsigned int num_configs;
- size_t confs_len;
- size_t total_len;
- num_configs = table_num_entries ( NET_DEVICE_CONFIGURATORS );
- confs_len = ( num_configs * sizeof ( netdev->configs[0] ) );
- total_len = ( sizeof ( *netdev ) + confs_len + priv_len );
- netdev = zalloc ( total_len );
+ netdev = zalloc ( netdev_priv_offset ( NULL ) + priv_len );
if ( netdev ) {
ref_init ( &netdev->refcnt, free_netdev );
netdev->link_rc = -EUNKNOWN_LINK_STATUS;
@@ -701,8 +742,7 @@ struct net_device * alloc_netdev ( size_t priv_len ) {
&netdev->refcnt );
config++;
}
- netdev->priv = ( ( ( void * ) netdev ) + sizeof ( *netdev ) +
- confs_len );
+ netdev->priv = netdev_priv ( netdev, NULL );
}
return netdev;
}
@@ -722,6 +762,7 @@ int register_netdev ( struct net_device *netdev ) {
struct net_device *duplicate;
unsigned int i;
uint32_t seed;
+ void *priv;
int rc;
/* Set initial link-layer address, if not already set */
@@ -784,7 +825,9 @@ int register_netdev ( struct net_device *netdev ) {
/* Probe device */
for_each_table_entry ( driver, NET_DRIVERS ) {
- if ( driver->probe && ( rc = driver->probe ( netdev ) ) != 0 ) {
+ priv = netdev_priv ( netdev, driver );
+ if ( driver->probe &&
+ ( rc = driver->probe ( netdev, priv ) ) != 0 ) {
DBGC ( netdev, "NETDEV %s could not add %s device: "
"%s\n", netdev->name, driver->name,
strerror ( rc ) );
@@ -796,8 +839,9 @@ int register_netdev ( struct net_device *netdev ) {
err_probe:
for_each_table_entry_continue_reverse ( driver, NET_DRIVERS ) {
+ priv = netdev_priv ( netdev, driver );
if ( driver->remove )
- driver->remove ( netdev );
+ driver->remove ( netdev, priv );
}
clear_settings ( netdev_settings ( netdev ) );
unregister_settings ( netdev_settings ( netdev ) );
@@ -896,14 +940,16 @@ void netdev_close ( struct net_device *netdev ) {
*/
void unregister_netdev ( struct net_device *netdev ) {
struct net_driver *driver;
+ void *priv;
/* Ensure device is closed */
netdev_close ( netdev );
/* Remove device */
for_each_table_entry_reverse ( driver, NET_DRIVERS ) {
+ priv = netdev_priv ( netdev, driver );
if ( driver->remove )
- driver->remove ( netdev );
+ driver->remove ( netdev, priv );
}
/* Unregister per-netdev configuration settings */
diff --git a/src/net/vlan.c b/src/net/vlan.c
index d73a95711..c61bb850e 100644
--- a/src/net/vlan.c
+++ b/src/net/vlan.c
@@ -470,9 +470,10 @@ void vlan_auto ( const void *ll_addr, unsigned int tag ) {
* Create automatic VLAN device
*
* @v trunk Trunk network device
+ * @v priv Private data
* @ret rc Return status code
*/
-static int vlan_probe ( struct net_device *trunk ) {
+static int vlan_probe ( struct net_device *trunk, void *priv __unused ) {
int rc;
/* Do nothing unless an automatic VLAN exists */
@@ -498,8 +499,9 @@ static int vlan_probe ( struct net_device *trunk ) {
* Handle trunk network device link state change
*
* @v trunk Trunk network device
+ * @v priv Private data
*/
-static void vlan_notify ( struct net_device *trunk ) {
+static void vlan_notify ( struct net_device *trunk, void *priv __unused ) {
struct net_device *netdev;
struct vlan_device *vlan;
@@ -538,8 +540,9 @@ static int vlan_remove_first ( struct net_device *trunk ) {
* Destroy all VLAN devices for a given trunk
*
* @v trunk Trunk network device
+ * @v priv Private data
*/
-static void vlan_remove ( struct net_device *trunk ) {
+static void vlan_remove ( struct net_device *trunk, void *priv __unused ) {
/* Remove all VLAN devices attached to this trunk, safe
* against arbitrary net device removal.
generated by cgit (git 2.34.1) at 2025-02-23 16:10:52 +0000