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Rename constants RxPathSelection_diff_TH to RX_PATH_SEL_DIFF_TH,
RateAdaptiveTH_High to RATE_ADAPTIVE_TH_HIGH and RateAdaptiveTH_Low_20M
to RATE_ADAPTIVE_TH_LOW_20M to avoid CamelCase which is not accepted by
checkpatch.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/3fb44a7f8020b898d3f589f16e9be4f555aa9e1e.1675792435.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename constants OFDM_Table_Length to OFDM_TABLE_LEN, CCK_Table_length to
CCK_TABLE_LEN and RxPathSelection_SS_TH_low to RX_PATH_SEL_SS_TH_LOW to
avoid CamelCase which is not accepted by checkpatch.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/197e98073922ec14d56e4a516c493188c88e11c1.1675792435.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The bagg_pkt parameter in function update_txdesc is not used, it can be
removed.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-8-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On both occassions where rtw_get_ff_hwaddr is called, the result is used
as addr parameter for rtw_write_port. rtw_write_port only needs the info
if the high queue was used or not. Simplify rtw_get_ff_hwaddr accordingly
and remove the now unused queue defines.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
rtw_write_port stores a queue index in pxmitbuf->flags before submitting
an urb. The urb completion function reads the flags. All it needs is the
info if the high queue was used or not.
We can replace the flags with a boolean high_queue variable.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ff_hwaddr in struct xmit_buf is not used. Remove it.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove some frametag defines which are not used in the r8188eu driver.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make the rtw_alloc_xmitframe function a bit simpler.
The container_of() call never returns NULL. The if (pxframe) check is
false only if pfree_xmit_queue is empty. Handle this special case
explicitly and save one level of indentation.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge do_queue_select into its only caller. It's only a simple assignment.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230207192319.294203-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the change_rfpwrstate component in struct pwrctrl_priv.
change_rfpwrstate is set to rf_off directly before each ips_enter call and
then checked in ips_enter. This makes no sense.
change_rfpwrstate might have been used to avoid conflicts between
suspend and resume operations. If a driver has to do this at all,
pwrpriv->ps_processing will do this job.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206210124.150142-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ips_leave function is used only in rtw_pwrctrl.c. We can make this
function static.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206210124.150142-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ips_enter function is used only in rtw_pwrctrl.c. We can make this
function static.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206210124.150142-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the intf_stop pointer that points to a media-specific stop
function. The r8188eu driver supports only usb.
For usb drivers, intf_stop points to usb_intf_stop, which is only
two lines long. We can remove intf_stop and usb_intf_stop and call
the two cancel functions directly.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206201800.139195-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The rtl8188eu_inirp_init returns 0 for success or a negative error code.
Handle this return value in the two places where rtl8188eu_inirp_init is
called.
Suggested-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206201800.139195-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the intf_start pointer that points to a media-specific start
function (pci, usb, sdio, ...). The r8188eu driver supports only usb.
We could call usb_intf_start directly instead of going through the
function pointer. usb_intf_start is just a call to rtl8188eu_inirp_init so
we can directly replace the intf_start pointer with rtl8188eu_inirp_init.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206201800.139195-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the driver-specific _SUCCESS and _FAIL error codes in
rtl8188eu_inirp_init. Return 0 for success or a negative error
code as we do elsewhere in the kernel.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206201800.139195-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the driver-specific _SUCCESS and _FAIL error codes in
rtw_read_port. Return 0 for success or a negative error code as
we do elsewhere in the kernel.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206201800.139195-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The rtw_read_port function needs a struct recv_buf for preparing the usb
transfer.
Replace its u8 *rmem parameter with a struct recv_buf pointer to avoid
casts in the caller and in rtw_read_port.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206201800.139195-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert the function _rtw_init_recv_priv() away from returning _FAIL
and _SUCCESS, which uses inverted error logic. Return 0 for success
and negative values for failure instead.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230205080559.8319-3-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert the function rtl8188eu_init_recv_priv() away from returning
_FAIL and _SUCCESS, which uses inverted error logic. Return 0 for
success and negative values for failure instead.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230205080559.8319-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time. To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once. This requires saving off the root directory dentry to make
creation of individual device subdirectories easier.
Cc: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Sidong Yang <realwakka@gmail.com>
Cc: Liu Shixin <liushixin2@huawei.com>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230202141138.2291946-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Information in the TODO file for bit_rate configuration is
insufficient.
This patch adds information on how to approach when considering
to modify bit_rate to support upto 300kbps.
Signed-off-by: Guru Mehar Rachaputi <gurumeharrachaputi@gmail.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/Y9laj+z0TuasBRx5@combine-ThinkPad-S1-Yoga
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clean up the NULL check for padapter->pnetdev->rx_handler_data.
The current code calls rcu_dereference while it holds the rcu read lock
and checks the pointer after releasing the lock. An rcu pointer may only be
used between calls to rcu_read_lock and rcu_read_unlock.
Replace the check with rcu_access_pointer. My understanding is that this
function returns the value of the pointer and needs no locking. We can
then check the pointer but we must not dereference it.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230131090057.241779-1-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace a switch-case in rtw_write_port with an if statement and make the
code a bit shorter.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-10-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
legacy_dz in struct sta_xmit_priv is initialised but not used. It can be
removed.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
rtw_free_xmitframe_list iterates over the list of xmit_frames and frees
each entry. We can use list_for_each_entry_safe instead of coding this
manually. We need the _safe version as the current pxmitframe will be
removed from the list by rtw_free_xmitframe.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We can now change sta_pending in struct tx_servq from __queue to
list_head. The driver defines __queue as list_head + spinlock, the
spinlock is not used for sta_pending.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Modify the rtw_free_xmitframe_queue function to take a list_head pointer
instead of a __queue pointer.
This is an intermediate step towards changing struct tx_servq's
sta_pending from __queue to list_head.
Now that the function takes a list instead of a queue, we should also
rename it to rtw_free_xmitframe_list.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Modify the dequeue_xmitframes_to_sleeping_queue function to take a
list_head pointer instead of a __queue pointer.
This is an intermediate step towards changing struct tx_servq's
sta_pending from __queue to list_head.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There's no need for a spinlock in rtw_free_xmitframe_queue.
This function is called only from rtw_free_stainfo. rtw_free_stainfo holds
pxmitpriv->lock during all rtw_free_xmitframe_queue calls.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
rxSNRdB is initialized and set but never read. Remove dead code. Local
variable rx_snrX is then of no use. Remove rx_snrX as well. Local
variable tmp_rxsnr is then of no use. Remove tmp_rxsnr as well.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/b3150d506556375c4b155c51eabf79e128f50780.1675003608.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename constant TxBBGainTableLength to TX_BB_GAIN_TABLE_LEN,
CCKTxBBGainTableLength to CCK_TX_BB_GAIN_TABLE_LEN and
RT_CID_819x_Netcore to RT_CID_819X_NETCORE to avoid CamelCase which is
not accepted by checkpatch. Added spaces before and after "-" to fix
checkpatch message.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/0f390222d1bd272c3e63d1b2936109ac50e9f05f.1675003608.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There's only two defines left in usb_ops_linux.h. Move those defines to
usb_ops_linux.c, where they are used.
Remove the now empty file usb_ops_linux.h.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230124210108.62170-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove some unused defines from usb_ops_linux.h.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230124210108.62170-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
