The OnAtim function was removed in commit 6d933902c6 ("staging: r8188eu:
remove OnAtim"). Remove the prototype as well.
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220724153349.138741-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the case HW_VAR_CORRECT_TSF from SetHwReg8188EU() and move the
functionality to the function that calls SetHwReg8188EU() with
HW_VAR_CORRECT_TSF. SetHwReg8188EU() is empty now and we can finally
remove it.
Tested-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220715062908.8547-6-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The functions update_TSF() and correct_TSF() are only used in
rtw_mlme_ext.c. Make them static.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220715062908.8547-5-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_SET_OPMODE case from SetHwReg8188EU() and move the
functions that are called by that case to rtw_mlme_ext.c. This is part
of the ongoing effort to get rid of SetHwReg8188EU().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220715062908.8547-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove duplicated words in comments for readability. The words are
duplicated from a sentence below.
Signed-off-by: Sidong Yang <realwakka@gmail.com>
Link: https://lore.kernel.org/r/20220725114513.85089-1-realwakka@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Call eth_random_addr to generate a random mac address if we cannot load
the mac address from the efuses.
Do not use a constant mac address as fallback. This may create conflicts
if we have several r8188eu devices on the network.
Suggested-by: Joe Perches <joe@perches.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Reviewed-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220713075552.140927-1-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use kmalloc to allocate the efuse buffer in ReadAdapterInfo8188EU and
free it on exit. This is better than using a 512 byte array on the stack.
It's ok to drop the __aligned(4) qualifier. kmalloc aligns to
ARCH_KMALLOC_MINALIGN, this is at least 8 bytes.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220713075804.140986-1-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_MLME_SITESURVEY case from SetHwReg8188EU() and move
the functionality to two new functions in rtw_mlme_ext.c. This is part
of the ongoing effort to get rid of SetHwReg8188EU().
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220711174417.10721-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The only caller of efuse_read_phymap_from_txpktbuf sets bcnhead to 0.
Remove this function parameter and simplify the function body.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-15-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The efuse_utilized variable in function efuse_phymap_to_logical is
written to but never read. Remove it.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-14-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The _offset parameter of iol_read_efuse is always 0. Remove the
parameter and use 0 in the function body.
We can now replace the bytewise copy from efuseTbl to pbuf with memcpy.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-13-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The offset parameter of iol_read_efuse is always 0. Remove the
parameter and use 0 in the function body.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-12-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The offset parameter of rtl8188e_ReadEFuse is always 0. Remove the
parameter and use 0 in the function body.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-11-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The only caller of iol_read_efuse sets the txpktbuf_bndy parameter to 0.
Remove the parameter from iol_read_efuse and use 0 in the function body.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-10-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The rtl8188e_ReadEFuse function is just a wrapper to call ReadEFuseByIC.
Copy ReadEFuseByIC into rtl8188e_ReadEFuse and remove ReadEFuseByIC.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-9-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use memcpy to store the fallback mac address in eeprom->mac_addr. Do not
copy byte by byte.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-8-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If BOOT_FROM_EEPROM is set, efuse_buf is not initialised before it is
passed to functions that read from it.
The buffer will be filled with 0x00 in this case like all local variables.
However, the parsing functions expect the buffer to be filled with 0xFF if
reading eeprom/efuse data failed. Fill the buffer with 0xFF before we try
to read the data.
Please note that this problem existed before we started using a local
buffer. Adapter->eeprompriv->efuse_eeprom_data was allocated as a part of
struct adapter by a vzalloc call in rtw_usb_if1_init.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The efuse_eeprom_data array in struct eeprom_priv is used only by
ReadAdapterInfo8188EU. We can remove efuse_eeprom_data and use a local
buffer instead.
Use EFUSE_MAP_LEN_88E as buffer size. Its value is the same as
HWSET_MAX_SIZE_512. The functions that access the buffer use
EFUSE_MAP_LEN_88E for its size.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge the EFUSE_ShadowMapUpdate function into ReadAdapterInfo8188EU, which
is the only caller.
Merging the two functions makes it clearer that eeprom->efuse_eeprom_data
is in fact a temporary buffer that stores info read from efuses.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove prototypes for non-existing eeprom functions. It seems that r8188eu
has efuses but no eeprom.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The EepromOrEfuse flag in struct eeprom_priv is used only in the
ReadAdapterInfo8188EU function. We can remove EepromOrEfuse from struct
eeprom_priv.
As the meaning of EepromOrEfuse isn't obvious, there is a macro
is_boot_from_eeprom that's used for checking the value. We don't need the
macro, writing the check as !(eeValue & BOOT_FROM_EEPROM) makes it clear
what is checked.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove some eeprom-related defines which are not used by the r8188eu
driver. This driver uses BOOT_FROM_EEPROM and EEPROM_EN instead of the
defines that this patch removes.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_DM_FUNC_CLR case from SetHwReg8188EU() and move its
functionality to a static function. This is part of the ongoing effort
to get rid of SetHwReg8188EU().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220709094458.9578-6-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_DM_FUNC_RESET case from SetHwReg8188EU() and move
its functionality to a static function. This is part of the ongoing
effort to get rid of SetHwReg8188EU().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220709094458.9578-5-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_DM_FLAG case from SetHwReg8188EU() and move its
functionality to a static function. This is part of the ongoing
effort to get rid of SetHwReg8188EU().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220709094458.9578-4-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_DM_FUNC_OP case from SetHwReg8188EU() and move the
functionality to the functions that call SetHwReg8188EU() with
HW_VAR_DM_FUNC_OP. This is part of the ongoing effort to get rid of
SetHwReg8188EU().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220709094458.9578-3-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the HW_VAR_BASIC_RATE case from SetHwReg8188EU() and move the
functionality to a separate function. This is part of the ongoing
effort to get rid of SetHwReg8188EU().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220709094458.9578-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are sleep in atomic context bugs when dm_fsync_timer_callback is
executing. The root cause is that the memory allocation functions with
GFP_KERNEL or GFP_NOIO parameters are called in dm_fsync_timer_callback
which is a timer handler. The call paths that could trigger bugs are
shown below:
(interrupt context)
dm_fsync_timer_callback
write_nic_byte
kzalloc(sizeof(data), GFP_KERNEL); //may sleep
usb_control_msg
kmalloc(.., GFP_NOIO); //may sleep
write_nic_dword
kzalloc(sizeof(data), GFP_KERNEL); //may sleep
usb_control_msg
kmalloc(.., GFP_NOIO); //may sleep
This patch uses delayed work to replace timer and moves the operations
that may sleep into the delayed work in order to mitigate bugs.
Fixes: 8fc8598e61 ("Staging: Added Realtek rtl8192u driver to staging")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Link: https://lore.kernel.org/r/20220710103002.63283-1-duoming@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Do not set pattrib's src, dst, bssid, ra and ta again in
sta2sta_data_frame.
sta2sta_data_frame is called from validate_recv_data_frame when both to_ds
and from_ds are 0. All pattrib address fields have already been set to the
correct addresses when sta2sta_data_frame is called.
memcpy(pattrib->dst, ieee80211_get_DA(hdr), ETH_ALEN);
ieee80211_get_DA returns addr1 if to_ds and from_ds are 0
memcpy(pattrib->src, ieee80211_get_SA(hdr), ETH_ALEN);
ieee80211_get_SA returns addr2 if to_ds and from_ds are 0
memcpy(pattrib->ra, hdr->addr1, ETH_ALEN);
memcpy(pattrib->ta, hdr->addr2, ETH_ALEN);
For pattrib->dst == addr1, pattrib->src == addr2, these
assignments match those in sta2sta_data_frame that this
patch removes.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220707194914.63794-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
