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path: root/drivers/net/wimax/i2400m/control.c
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Diffstat (limited to 'drivers/net/wimax/i2400m/control.c')
-rw-r--r--drivers/net/wimax/i2400m/control.c147
1 files changed, 125 insertions, 22 deletions
diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c
index 15d9f51b292..b3cadb626fe 100644
--- a/drivers/net/wimax/i2400m/control.c
+++ b/drivers/net/wimax/i2400m/control.c
@@ -52,7 +52,6 @@
*
* i2400m_dev_initalize() Called by i2400m_dev_start()
* i2400m_set_init_config()
- * i2400m_firmware_check()
* i2400m_cmd_get_state()
* i2400m_dev_shutdown() Called by i2400m_dev_stop()
* i2400m->bus_reset()
@@ -942,8 +941,8 @@ error_cmd_failed:
/* Firmware interface versions we support */
enum {
I2400M_HDIv_MAJOR = 9,
- I2400M_HDIv_MAJOR_2 = 8,
I2400M_HDIv_MINOR = 1,
+ I2400M_HDIv_MINOR_2 = 2,
};
@@ -959,6 +958,10 @@ enum {
* Long function, but quite simple; first chunk launches the command
* and double checks the reply for the right TLV. Then we process the
* TLV (where the meat is).
+ *
+ * Once we process the TLV that gives us the firmware's interface
+ * version, we encode it and save it in i2400m->fw_version for future
+ * reference.
*/
int i2400m_firmware_check(struct i2400m *i2400m)
{
@@ -1009,22 +1012,20 @@ int i2400m_firmware_check(struct i2400m *i2400m)
minor = le16_to_cpu(l4mv->minor);
branch = le16_to_cpu(l4mv->branch);
result = -EINVAL;
- if (major != I2400M_HDIv_MAJOR
- && major != I2400M_HDIv_MAJOR_2) {
- dev_err(dev, "unsupported major fw interface version "
+ if (major != I2400M_HDIv_MAJOR) {
+ dev_err(dev, "unsupported major fw version "
"%u.%u.%u\n", major, minor, branch);
goto error_bad_major;
}
- if (major == I2400M_HDIv_MAJOR_2)
- dev_err(dev, "deprecated major fw interface version "
- "%u.%u.%u\n", major, minor, branch);
result = 0;
- if (minor != I2400M_HDIv_MINOR)
- dev_warn(dev, "untested minor fw firmware version %u.%u.%u\n",
+ if (minor < I2400M_HDIv_MINOR_2 && minor > I2400M_HDIv_MINOR)
+ dev_warn(dev, "untested minor fw version %u.%u.%u\n",
major, minor, branch);
-error_bad_major:
+ /* Yes, we ignore the branch -- we don't have to track it */
+ i2400m->fw_version = major << 16 | minor;
dev_info(dev, "firmware interface version %u.%u.%u\n",
major, minor, branch);
+error_bad_major:
error_no_tlv:
error_cmd_failed:
kfree_skb(ack_skb);
@@ -1221,6 +1222,77 @@ EXPORT_SYMBOL_GPL(i2400m_set_init_config);
/**
+ * i2400m_set_idle_timeout - Set the device's idle mode timeout
+ *
+ * @i2400m: i2400m device descriptor
+ *
+ * @msecs: milliseconds for the timeout to enter idle mode. Between
+ * 100 to 300000 (5m); 0 to disable. In increments of 100.
+ *
+ * After this @msecs of the link being idle (no data being sent or
+ * received), the device will negotiate with the basestation entering
+ * idle mode for saving power. The connection is maintained, but
+ * getting out of it (done in tx.c) will require some negotiation,
+ * possible crypto re-handshake and a possible DHCP re-lease.
+ *
+ * Only available if fw_version >= 0x00090002.
+ *
+ * Returns: 0 if ok, < 0 errno code on error.
+ */
+int i2400m_set_idle_timeout(struct i2400m *i2400m, unsigned msecs)
+{
+ int result;
+ struct device *dev = i2400m_dev(i2400m);
+ struct sk_buff *ack_skb;
+ struct {
+ struct i2400m_l3l4_hdr hdr;
+ struct i2400m_tlv_config_idle_timeout cit;
+ } *cmd;
+ const struct i2400m_l3l4_hdr *ack;
+ size_t ack_len;
+ char strerr[32];
+
+ result = -ENOSYS;
+ if (i2400m_le_v1_3(i2400m))
+ goto error_alloc;
+ result = -ENOMEM;
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ goto error_alloc;
+ cmd->hdr.type = cpu_to_le16(I2400M_MT_GET_STATE);
+ cmd->hdr.length = cpu_to_le16(sizeof(*cmd) - sizeof(cmd->hdr));
+ cmd->hdr.version = cpu_to_le16(I2400M_L3L4_VERSION);
+
+ cmd->cit.hdr.type =
+ cpu_to_le16(I2400M_TLV_CONFIG_IDLE_TIMEOUT);
+ cmd->cit.hdr.length = cpu_to_le16(sizeof(cmd->cit.timeout));
+ cmd->cit.timeout = cpu_to_le32(msecs);
+
+ ack_skb = i2400m_msg_to_dev(i2400m, cmd, sizeof(*cmd));
+ if (IS_ERR(ack_skb)) {
+ dev_err(dev, "Failed to issue 'set idle timeout' command: "
+ "%ld\n", PTR_ERR(ack_skb));
+ result = PTR_ERR(ack_skb);
+ goto error_msg_to_dev;
+ }
+ ack = wimax_msg_data_len(ack_skb, &ack_len);
+ result = i2400m_msg_check_status(ack, strerr, sizeof(strerr));
+ if (result < 0) {
+ dev_err(dev, "'set idle timeout' (0x%04x) command failed: "
+ "%d - %s\n", I2400M_MT_GET_STATE, result, strerr);
+ goto error_cmd_failed;
+ }
+ result = 0;
+ kfree_skb(ack_skb);
+error_cmd_failed:
+error_msg_to_dev:
+ kfree(cmd);
+error_alloc:
+ return result;
+}
+
+
+/**
* i2400m_dev_initialize - Initialize the device once communications are ready
*
* @i2400m: device descriptor
@@ -1238,26 +1310,55 @@ int i2400m_dev_initialize(struct i2400m *i2400m)
int result;
struct device *dev = i2400m_dev(i2400m);
struct i2400m_tlv_config_idle_parameters idle_params;
+ struct i2400m_tlv_config_idle_timeout idle_timeout;
+ struct i2400m_tlv_config_d2h_data_format df;
+ struct i2400m_tlv_config_dl_host_reorder dlhr;
const struct i2400m_tlv_hdr *args[9];
unsigned argc = 0;
d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
- /* Useless for now...might change */
+ /* Disable idle mode? (enabled by default) */
if (i2400m_idle_mode_disabled) {
- idle_params.hdr.type =
- cpu_to_le16(I2400M_TLV_CONFIG_IDLE_PARAMETERS);
- idle_params.hdr.length = cpu_to_le16(
- sizeof(idle_params) - sizeof(idle_params.hdr));
- idle_params.idle_timeout = 0;
- idle_params.idle_paging_interval = 0;
- args[argc++] = &idle_params.hdr;
+ if (i2400m_le_v1_3(i2400m)) {
+ idle_params.hdr.type =
+ cpu_to_le16(I2400M_TLV_CONFIG_IDLE_PARAMETERS);
+ idle_params.hdr.length = cpu_to_le16(
+ sizeof(idle_params) - sizeof(idle_params.hdr));
+ idle_params.idle_timeout = 0;
+ idle_params.idle_paging_interval = 0;
+ args[argc++] = &idle_params.hdr;
+ } else {
+ idle_timeout.hdr.type =
+ cpu_to_le16(I2400M_TLV_CONFIG_IDLE_TIMEOUT);
+ idle_timeout.hdr.length = cpu_to_le16(
+ sizeof(idle_timeout) - sizeof(idle_timeout.hdr));
+ idle_timeout.timeout = 0;
+ args[argc++] = &idle_timeout.hdr;
+ }
+ }
+ if (i2400m_ge_v1_4(i2400m)) {
+ /* Enable extended RX data format? */
+ df.hdr.type =
+ cpu_to_le16(I2400M_TLV_CONFIG_D2H_DATA_FORMAT);
+ df.hdr.length = cpu_to_le16(
+ sizeof(df) - sizeof(df.hdr));
+ df.format = 1;
+ args[argc++] = &df.hdr;
+
+ /* Enable RX data reordering?
+ * (switch flipped in rx.c:i2400m_rx_setup() after fw upload) */
+ if (i2400m->rx_reorder) {
+ dlhr.hdr.type =
+ cpu_to_le16(I2400M_TLV_CONFIG_DL_HOST_REORDER);
+ dlhr.hdr.length = cpu_to_le16(
+ sizeof(dlhr) - sizeof(dlhr.hdr));
+ dlhr.reorder = 1;
+ args[argc++] = &dlhr.hdr;
+ }
}
result = i2400m_set_init_config(i2400m, args, argc);
if (result < 0)
goto error;
- result = i2400m_firmware_check(i2400m); /* fw versions ok? */
- if (result < 0)
- goto error;
/*
* Update state: Here it just calls a get state; parsing the
* result (System State TLV and RF Status TLV [done in the rx
@@ -1266,6 +1367,8 @@ int i2400m_dev_initialize(struct i2400m *i2400m)
*/
result = i2400m_cmd_get_state(i2400m);
error:
+ if (result < 0)
+ dev_err(dev, "failed to initialize the device: %d\n", result);
d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
return result;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 07:20:34 +0000