nl80211: Remove unnecessary struct nl80211_handles wrapper

Since the nl_cache is not used anymore, there is no need for maintaining
the struct nl80211_handles wrapper for struct nl_handle. Clean this up
by using nl_handle directly.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2011-12-06 19:47:59 +02:00
parent 3088e4e52d
commit 481234cf1a

View file

@ -115,43 +115,34 @@ static void nl80211_handle_destroy(struct nl_handle *handle)
#endif /* CONFIG_LIBNL20 */
struct nl80211_handles {
struct nl_handle *handle;
};
static int nl_create_handles(struct nl80211_handles *handles, struct nl_cb *cb,
const char *dbg)
static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
{
if (!handles)
return -1;
struct nl_handle *handle;
handles->handle = nl80211_handle_alloc(cb);
if (handles->handle == NULL) {
handle = nl80211_handle_alloc(cb);
if (handle == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
"callbacks (%s)", dbg);
return -1;
return NULL;
}
if (genl_connect(handles->handle)) {
if (genl_connect(handle)) {
wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
"netlink (%s)", dbg);
goto err;
nl80211_handle_destroy(handle);
return NULL;
}
return 0;
err:
nl80211_handle_destroy(handles->handle);
return -1;
return handle;
}
static void nl_destroy_handles(struct nl80211_handles *handles)
static void nl_destroy_handles(struct nl_handle **handle)
{
if (handles->handle == NULL)
if (*handle == NULL)
return;
nl80211_handle_destroy(handles->handle);
handles->handle = NULL;
nl80211_handle_destroy(*handle);
*handle = NULL;
}
@ -174,11 +165,11 @@ struct nl80211_global {
int if_add_ifindex;
struct netlink_data *netlink;
struct nl_cb *nl_cb;
struct nl80211_handles nl;
struct nl_handle *nl;
int nl80211_id;
int ioctl_sock; /* socket for ioctl() use */
struct nl80211_handles nl_event;
struct nl_handle *nl_event;
};
struct nl80211_wiphy_data {
@ -186,7 +177,7 @@ struct nl80211_wiphy_data {
struct dl_list bsss;
struct dl_list drvs;
struct nl80211_handles nl_beacons;
struct nl_handle *nl_beacons;
struct nl_cb *nl_cb;
int wiphy_idx;
@ -207,7 +198,7 @@ struct i802_bss {
int freq;
struct nl80211_handles nl_preq, nl_mgmt;
struct nl_handle *nl_preq, *nl_mgmt;
struct nl_cb *nl_cb;
struct nl80211_wiphy_data *wiphy_data;
@ -451,7 +442,7 @@ static int send_and_recv_msgs_global(struct nl80211_global *global,
int (*valid_handler)(struct nl_msg *, void *),
void *valid_data)
{
return send_and_recv(global, global->nl.handle, msg, valid_handler,
return send_and_recv(global, global->nl, msg, valid_handler,
valid_data);
}
@ -461,7 +452,7 @@ static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
int (*valid_handler)(struct nl_msg *, void *),
void *valid_data)
{
return send_and_recv(drv->global, drv->global->nl.handle, msg,
return send_and_recv(drv->global, drv->global->nl, msg,
valid_handler, valid_data);
}
@ -513,8 +504,7 @@ static int nl_get_multicast_id(struct nl80211_global *global,
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
genlmsg_put(msg, 0, 0,
genl_ctrl_resolve(global->nl.handle, "nlctrl"),
genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
0, 0, CTRL_CMD_GETFAMILY, 0);
NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
@ -596,7 +586,7 @@ static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
ret = send_and_recv(drv->global, w->nl_beacons.handle, msg, NULL, NULL);
ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
msg = NULL;
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
@ -688,8 +678,9 @@ nl80211_get_wiphy_data_ap(struct i802_bss *bss)
nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
w);
if (nl_create_handles(&w->nl_beacons, bss->drv->global->nl_cb,
"wiphy beacons")) {
w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
"wiphy beacons");
if (w->nl_beacons == NULL) {
os_free(w);
return NULL;
}
@ -700,9 +691,8 @@ nl80211_get_wiphy_data_ap(struct i802_bss *bss)
return NULL;
}
eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons.handle),
nl80211_recv_beacons, w,
w->nl_beacons.handle);
eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons),
nl80211_recv_beacons, w, w->nl_beacons);
dl_list_add(&nl80211_wiphys, &w->list);
@ -749,7 +739,7 @@ static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
if (!dl_list_empty(&w->bsss))
return;
eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons.handle));
eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons));
nl_cb_put(w->nl_cb);
nl_destroy_handles(&w->nl_beacons);
@ -2563,22 +2553,24 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
return -1;
}
if (nl_create_handles(&global->nl, global->nl_cb, "nl"))
global->nl = nl_create_handle(global->nl_cb, "nl");
if (global->nl == NULL)
goto err;
global->nl80211_id = genl_ctrl_resolve(global->nl.handle, "nl80211");
global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
if (global->nl80211_id < 0) {
wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
"found");
goto err;
}
if (nl_create_handles(&global->nl_event, global->nl_cb, "event"))
global->nl_event = nl_create_handle(global->nl_cb, "event");
if (global->nl_event == NULL)
goto err;
ret = nl_get_multicast_id(global, "nl80211", "scan");
if (ret >= 0)
ret = nl_socket_add_membership(global->nl_event.handle, ret);
ret = nl_socket_add_membership(global->nl_event, ret);
if (ret < 0) {
wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
"membership for scan events: %d (%s)",
@ -2588,7 +2580,7 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
ret = nl_get_multicast_id(global, "nl80211", "mlme");
if (ret >= 0)
ret = nl_socket_add_membership(global->nl_event.handle, ret);
ret = nl_socket_add_membership(global->nl_event, ret);
if (ret < 0) {
wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
"membership for mlme events: %d (%s)",
@ -2598,7 +2590,7 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
ret = nl_get_multicast_id(global, "nl80211", "regulatory");
if (ret >= 0)
ret = nl_socket_add_membership(global->nl_event.handle, ret);
ret = nl_socket_add_membership(global->nl_event, ret);
if (ret < 0) {
wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
"membership for regulatory events: %d (%s)",
@ -2611,9 +2603,9 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
process_global_event, global);
eloop_register_read_sock(nl_socket_get_fd(global->nl_event.handle),
eloop_register_read_sock(nl_socket_get_fd(global->nl_event),
wpa_driver_nl80211_event_receive,
global->nl_cb, global->nl_event.handle);
global->nl_cb, global->nl_event);
return 0;
@ -2913,18 +2905,19 @@ static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
if (bss->nl_mgmt.handle) {
if (bss->nl_mgmt) {
wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
"already on!");
return -1;
}
if (nl_create_handles(&bss->nl_mgmt, drv->nl_cb, "mgmt"))
bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
if (bss->nl_mgmt == NULL)
return -1;
eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt.handle),
eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt),
wpa_driver_nl80211_event_receive, bss->nl_cb,
bss->nl_mgmt.handle);
bss->nl_mgmt);
return 0;
}
@ -2934,7 +2927,7 @@ static int nl80211_register_action_frame(struct i802_bss *bss,
const u8 *match, size_t match_len)
{
u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
return nl80211_register_frame(bss, bss->nl_mgmt.handle,
return nl80211_register_frame(bss, bss->nl_mgmt,
type, match, match_len);
}
@ -3015,7 +3008,7 @@ static int nl80211_register_spurious_class3(struct i802_bss *bss)
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
ret = send_and_recv(drv->global, bss->nl_mgmt.handle, msg, NULL, NULL);
ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
msg = NULL;
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
@ -3053,7 +3046,7 @@ static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
return -1;
for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) {
if (nl80211_register_frame(bss, bss->nl_mgmt.handle,
if (nl80211_register_frame(bss, bss->nl_mgmt,
(WLAN_FC_TYPE_MGMT << 2) |
(stypes[i] << 4),
NULL, 0) < 0) {
@ -3070,7 +3063,7 @@ static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
return 0;
out_err:
eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt.handle));
eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
nl_destroy_handles(&bss->nl_mgmt);
return -1;
}
@ -3078,9 +3071,9 @@ out_err:
static void nl80211_mgmt_unsubscribe(struct i802_bss *bss)
{
if (bss->nl_mgmt.handle == NULL)
if (bss->nl_mgmt == NULL)
return;
eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt.handle));
eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
nl_destroy_handles(&bss->nl_mgmt);
nl80211_put_wiphy_data_ap(bss);
@ -3183,7 +3176,7 @@ static void wpa_driver_nl80211_deinit(void *priv)
if (drv->eapol_tx_sock >= 0)
close(drv->eapol_tx_sock);
if (bss->nl_preq.handle)
if (bss->nl_preq)
wpa_driver_nl80211_probe_req_report(bss, 0);
if (bss->added_if_into_bridge) {
if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
@ -7874,32 +7867,33 @@ static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
struct wpa_driver_nl80211_data *drv = bss->drv;
if (!report) {
if (bss->nl_preq.handle) {
if (bss->nl_preq) {
eloop_unregister_read_sock(
nl_socket_get_fd(bss->nl_preq.handle));
nl_socket_get_fd(bss->nl_preq));
nl_destroy_handles(&bss->nl_preq);
}
return 0;
}
if (bss->nl_preq.handle) {
if (bss->nl_preq) {
wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
"already on!");
return 0;
}
if (nl_create_handles(&bss->nl_preq, drv->global->nl_cb, "preq"))
bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
if (bss->nl_preq == NULL)
return -1;
if (nl80211_register_frame(bss, bss->nl_preq.handle,
if (nl80211_register_frame(bss, bss->nl_preq,
(WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_PROBE_REQ << 4),
NULL, 0) < 0)
goto out_err;
eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq.handle),
eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq),
wpa_driver_nl80211_event_receive, bss->nl_cb,
bss->nl_preq.handle);
bss->nl_preq);
return 0;
@ -8209,9 +8203,9 @@ static void nl80211_global_deinit(void *priv)
nl_destroy_handles(&global->nl);
if (global->nl_event.handle) {
if (global->nl_event) {
eloop_unregister_read_sock(
nl_socket_get_fd(global->nl_event.handle));
nl_socket_get_fd(global->nl_event));
nl_destroy_handles(&global->nl_event);
}