diff options
Diffstat (limited to 'drivers/net/wimax/i2400m/i2400m.h')
| -rw-r--r-- | drivers/net/wimax/i2400m/i2400m.h | 91 |
1 files changed, 73 insertions, 18 deletions
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h index 3b9d27ea295..3ae2df38b59 100644 --- a/drivers/net/wimax/i2400m/i2400m.h +++ b/drivers/net/wimax/i2400m/i2400m.h @@ -156,10 +156,6 @@ enum { }; -/* Firmware version we request when pulling the fw image file */ -#define I2400M_FW_VERSION "1.4" - - /** * i2400m_reset_type - methods to reset a device * @@ -178,6 +174,7 @@ enum i2400m_reset_type { }; struct i2400m_reset_ctx; +struct i2400m_roq; /** * struct i2400m - descriptor for an Intel 2400m @@ -242,10 +239,14 @@ struct i2400m_reset_ctx; * The caller to this function will check if the response is a * barker that indicates the device going into reset mode. * - * @bus_fw_name: [fill] name of the firmware image (in most cases, - * they are all the same for a single release, except that they - * have the type of the bus embedded in the name (eg: - * i2400m-fw-X-VERSION.sbcf, where X is the bus name). + * @bus_fw_names: [fill] a NULL-terminated array with the names of the + * firmware images to try loading. This is made a list so we can + * support backward compatibility of firmware releases (eg: if we + * can't find the default v1.4, we try v1.3). In general, the name + * should be i2400m-fw-X-VERSION.sbcf, where X is the bus name. + * The list is tried in order and the first one that loads is + * used. The fw loader will set i2400m->fw_name to point to the + * active firmware image. * * @bus_bm_mac_addr_impaired: [fill] Set to true if the device's MAC * address provided in boot mode is kind of broken and needs to @@ -257,6 +258,9 @@ struct i2400m_reset_ctx; * force this to be the first field so that we can get from * netdev_priv() the right pointer. * + * @rx_reorder: 1 if RX reordering is enabled; this can only be + * set at probe time. + * * @state: device's state (as reported by it) * * @state_wq: waitqueue that is woken up whenever the state changes @@ -313,6 +317,12 @@ struct i2400m_reset_ctx; * * @rx_size_max: buggest RX message received. * + * @rx_roq: RX ReOrder queues. (fw >= v1.4) When packets are received + * out of order, the device will ask the driver to hold certain + * packets until the ones that are received out of order can be + * delivered. Then the driver can release them to the host. See + * drivers/net/i2400m/rx.c for details. + * * @init_mutex: Mutex used for serializing the device bringup * sequence; this way if the device reboots in the middle, we * don't try to do a bringup again while we are tearing down the @@ -364,6 +374,11 @@ struct i2400m_reset_ctx; * These have to be in a separate directory, a child of * (wimax_dev->debugfs_dentry) so they can be removed when the * module unloads, as we don't keep each dentry. + * + * @fw_name: name of the firmware image that is currently being used. + * + * @fw_version: version of the firmware interface, Major.minor, + * encoded in the high word and low word (major << 16 | minor). */ struct i2400m { struct wimax_dev wimax_dev; /* FIRST! See doc */ @@ -372,6 +387,7 @@ struct i2400m { unsigned boot_mode:1; /* is the device in boot mode? */ unsigned sboot:1; /* signed or unsigned fw boot */ unsigned ready:1; /* all probing steps done */ + unsigned rx_reorder:1; /* RX reorder is enabled */ u8 trace_msg_from_user; /* echo rx msgs to 'trace' pipe */ /* typed u8 so debugfs/u8 can tweak */ enum i2400m_system_state state; @@ -388,7 +404,7 @@ struct i2400m { size_t, int flags); ssize_t (*bus_bm_wait_for_ack)(struct i2400m *, struct i2400m_bootrom_header *, size_t); - const char *bus_fw_name; + const char **bus_fw_names; unsigned bus_bm_mac_addr_impaired:1; spinlock_t tx_lock; /* protect TX state */ @@ -400,10 +416,11 @@ struct i2400m { unsigned tx_pl_num, tx_pl_max, tx_pl_min, tx_num, tx_size_acc, tx_size_min, tx_size_max; - /* RX stats */ + /* RX stuff */ spinlock_t rx_lock; /* protect RX state */ unsigned rx_pl_num, rx_pl_max, rx_pl_min, rx_num, rx_size_acc, rx_size_min, rx_size_max; + struct i2400m_roq *rx_roq; /* not under rx_lock! */ struct mutex msg_mutex; /* serialize command execution */ struct completion msg_completion; @@ -421,6 +438,8 @@ struct i2400m { struct sk_buff *wake_tx_skb; struct dentry *debugfs_dentry; + const char *fw_name; /* name of the current firmware image */ + unsigned long fw_version; /* version of the firmware interface */ }; @@ -435,6 +454,7 @@ void i2400m_init(struct i2400m *i2400m) wimax_dev_init(&i2400m->wimax_dev); i2400m->boot_mode = 1; + i2400m->rx_reorder = 1; init_waitqueue_head(&i2400m->state_wq); spin_lock_init(&i2400m->tx_lock); @@ -578,12 +598,19 @@ unsigned i2400m_brh_get_signature(const struct i2400m_bootrom_header *hdr) * Driver / device setup and internal functions */ extern void i2400m_netdev_setup(struct net_device *net_dev); +extern int i2400m_sysfs_setup(struct device_driver *); +extern void i2400m_sysfs_release(struct device_driver *); extern int i2400m_tx_setup(struct i2400m *); extern void i2400m_wake_tx_work(struct work_struct *); extern void i2400m_tx_release(struct i2400m *); +extern int i2400m_rx_setup(struct i2400m *); +extern void i2400m_rx_release(struct i2400m *); + extern void i2400m_net_rx(struct i2400m *, struct sk_buff *, unsigned, const void *, int); +extern void i2400m_net_erx(struct i2400m *, struct sk_buff *, + enum i2400m_cs); enum i2400m_pt; extern int i2400m_tx(struct i2400m *, const void *, size_t, enum i2400m_pt); @@ -664,17 +691,17 @@ extern struct i2400m_msg_hdr *i2400m_tx_msg_get(struct i2400m *, size_t *); extern void i2400m_tx_msg_sent(struct i2400m *); static const __le32 i2400m_NBOOT_BARKER[4] = { - __constant_cpu_to_le32(I2400M_NBOOT_BARKER), - __constant_cpu_to_le32(I2400M_NBOOT_BARKER), - __constant_cpu_to_le32(I2400M_NBOOT_BARKER), - __constant_cpu_to_le32(I2400M_NBOOT_BARKER) + cpu_to_le32(I2400M_NBOOT_BARKER), + cpu_to_le32(I2400M_NBOOT_BARKER), + cpu_to_le32(I2400M_NBOOT_BARKER), + cpu_to_le32(I2400M_NBOOT_BARKER) }; static const __le32 i2400m_SBOOT_BARKER[4] = { - __constant_cpu_to_le32(I2400M_SBOOT_BARKER), - __constant_cpu_to_le32(I2400M_SBOOT_BARKER), - __constant_cpu_to_le32(I2400M_SBOOT_BARKER), - __constant_cpu_to_le32(I2400M_SBOOT_BARKER) + cpu_to_le32(I2400M_SBOOT_BARKER), + cpu_to_le32(I2400M_SBOOT_BARKER), + cpu_to_le32(I2400M_SBOOT_BARKER), + cpu_to_le32(I2400M_SBOOT_BARKER) }; @@ -721,6 +748,7 @@ extern struct sk_buff *i2400m_get_device_info(struct i2400m *); extern int i2400m_firmware_check(struct i2400m *); extern int i2400m_set_init_config(struct i2400m *, const struct i2400m_tlv_hdr **, size_t); +extern int i2400m_set_idle_timeout(struct i2400m *, unsigned); static inline struct usb_endpoint_descriptor *usb_get_epd(struct usb_interface *iface, int ep) @@ -733,6 +761,32 @@ extern int i2400m_op_rfkill_sw_toggle(struct wimax_dev *, extern void i2400m_report_tlv_rf_switches_status( struct i2400m *, const struct i2400m_tlv_rf_switches_status *); +/* + * Helpers for firmware backwards compability + * + * As we aim to support at least the firmware version that was + * released with the previous kernel/driver release, some code will be + * conditionally executed depending on the firmware version. On each + * release, the code to support fw releases past the last two ones + * will be purged. + * + * By making it depend on this macros, it is easier to keep it a tab + * on what has to go and what not. + */ +static inline +unsigned i2400m_le_v1_3(struct i2400m *i2400m) +{ + /* running fw is lower or v1.3 */ + return i2400m->fw_version <= 0x00090001; +} + +static inline +unsigned i2400m_ge_v1_4(struct i2400m *i2400m) +{ + /* running fw is higher or v1.4 */ + return i2400m->fw_version >= 0x00090002; +} + /* * Do a millisecond-sleep for allowing wireshark to dump all the data @@ -750,6 +804,7 @@ void __i2400m_msleep(unsigned ms) /* Module parameters */ extern int i2400m_idle_mode_disabled; +extern int i2400m_rx_reorder_disabled; #endif /* #ifndef __I2400M_H__ */ |