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Author SHA1 Message Date
Lee Jones
78211e026b brcmfmac: p2p: Fix a couple of function headers
Most likely caused by doc-rot.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:977: warning: Function parameter or member 'wdev' not described in 'brcmf_p2p_remain_on_channel'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:2048: warning: Function parameter or member 'cfg' not described in 'brcmf_p2p_ifchange'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:2048: warning: Excess function parameter 'mac' description in 'brcmf_p2p_ifchange'

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200826093401.1458456-7-lee.jones@linaro.org
2020-09-01 16:05:04 +03:00
Lee Jones
f5c3bf15f3 brcmsmac: ampdu: Remove a couple set but unused variables
Fixes the following W=1 kernel build warning(s):

 from drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:18:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c: In function ‘brcms_c_ampdu_dotxstatus_complete’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:850:7: warning: variable ‘update_rate’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c: In function ‘brcms_c_ampdu_dotxstatus’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:1027:20: warning: variable ‘scb_ampdu’ set but not used [-Wunused-but-set-variable]

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200826093401.1458456-3-lee.jones@linaro.org
2020-09-01 16:04:59 +03:00
Lee Jones
a940977aaf brcmfmac: fwsignal: Remove unused variable 'brcmf_fws_prio2fifo'
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c:504:18: warning: ‘brcmf_fws_prio2fifo’ defined but not used [-Wunused-const-variable=]

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-25-lee.jones@linaro.org
2020-09-01 12:22:43 +03:00
Lee Jones
03a7c2ea60 b43: phy_ht: Remove 9 year old TODO
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/b43/phy_ht.c: In function ‘b43_phy_ht_op_init’:
 drivers/net/wireless/broadcom/b43/phy_ht.c:904:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: "Alexander A. Klimov" <grandmaster@al2klimov.de>
Cc: linux-wireless@vger.kernel.org
Cc: b43-dev@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-18-lee.jones@linaro.org
2020-09-01 12:22:38 +03:00
Lee Jones
9d16c38590 brcmfmac: btcoex: Update 'brcmf_btcoex_state' and demote others
The function headers are either very weakly documented or not at all.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:94: warning: Function parameter or member 'reg50' not described in 'brcmf_btcoex_info'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:94: warning: Function parameter or member 'saved_regs_part2' not described in 'brcmf_btcoex_info'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:233: warning: Function parameter or member 'btci' not described in 'btcmf_btcoex_save_part1'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:253: warning: Function parameter or member 'btci' not described in 'brcmf_btcoex_restore_part1'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:273: warning: Function parameter or member 't' not described in 'brcmf_btcoex_timerfunc'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:453: warning: Function parameter or member 'vif' not described in 'brcmf_btcoex_set_mode'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:453: warning: Function parameter or member 'duration' not described in 'brcmf_btcoex_set_mode'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:453: warning: Excess function parameter 'cfg' description in 'brcmf_btcoex_set_mode'

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-17-lee.jones@linaro.org
2020-09-01 12:22:37 +03:00
Lee Jones
866cf939f2 brcmfmac: firmware: Demote seemingly unintentional kernel-doc header
The function parameter is not documented and either are any of the
other functions in this source file.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c:69: warning: Function parameter or member 'c' not described in 'is_nvram_char'

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-13-lee.jones@linaro.org
2020-09-01 12:20:16 +03:00
Lee Jones
dceb807b2f brcmsmac: main: Remove a bunch of unused variables
Fixes the following W=1 kernel build warning(s):

 from drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:27:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_c_dotxstatus’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:845:6: warning: variable ‘mcl’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_b_phy_reset’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:1779:7: warning: variable ‘phy_in_reset’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_ucode_download’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:2273:23: warning: variable ‘wlc’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_b_coreinit’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:3176:6: warning: variable ‘sflags’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_c_set_chanspec’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:3902:7: warning: variable ‘switchband’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_c_down’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:5182:7: warning: variable ‘dev_gone’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_c_ofdm_rateset_war’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:5393:5: warning: variable ‘r’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘mac80211_wlc_set_nrate’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:5876:6: warning: variable ‘bcmerror’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c: In function ‘brcms_c_d11hdrs_mac80211’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:6213:7: warning: variable ‘short_preamble’ set but not used [-Wunused-but-set-variable]

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-10-lee.jones@linaro.org
2020-09-01 12:20:13 +03:00
Lee Jones
5763605890 brcmfmac: p2p: Fix a bunch of function docs
Some formatting issues, some missing and some extra descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:162: warning: Function parameter or member 'oui' not described in 'brcmf_p2p_pub_act_frame'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:162: warning: Function parameter or member 'elts' not described in 'brcmf_p2p_pub_act_frame'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:181: warning: Function parameter or member 'oui' not described in 'brcmf_p2p_action_frame'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:181: warning: Function parameter or member 'elts' not described in 'brcmf_p2p_action_frame'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:196: warning: Function parameter or member 'query_data' not described in 'brcmf_p2psd_gas_pub_act_frame'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:210: warning: Function parameter or member 'extra_listen' not described in 'brcmf_config_af_params'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:776: warning: Function parameter or member 'ifp' not described in 'brcmf_p2p_run_escan'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:776: warning: Excess function parameter 'ndev' description in 'brcmf_p2p_run_escan'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:776: warning: Excess function parameter 'action' description in 'brcmf_p2p_run_escan'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:977: warning: Function parameter or member 'wdev' not described in 'brcmf_p2p_remain_on_channel'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:977: warning: Function parameter or member 'cookie' not described in 'brcmf_p2p_remain_on_channel'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:1063: warning: Function parameter or member 'channel' not described in 'brcmf_p2p_act_frm_search'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:1337: warning: Function parameter or member 'mac' not described in 'brcmf_p2p_gon_req_collision'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:2046: warning: Function parameter or member 'cfg' not described in 'brcmf_p2p_ifchange'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:2046: warning: Function parameter or member 'if_type' not described in 'brcmf_p2p_ifchange'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:2046: warning: Excess function parameter 'mac' description in 'brcmf_p2p_ifchange'

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-6-lee.jones@linaro.org
2020-09-01 12:20:11 +03:00
Lee Jones
d7f95d9204 brcmsmac: ampdu: Remove a bunch of unused variables
Fixes the following W=1 kernel build warning(s):

 from drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:18:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c: In function ‘brcms_c_ampdu_finalize’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:648:25: warning: variable ‘sgi’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c: In function ‘brcms_c_ampdu_dotxstatus_complete’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:856:18: warning: variable ‘rr_retry_limit’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:855:5: warning: variable ‘antselid’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:853:41: warning: variable ‘tx_error’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:853:7: warning: variable ‘update_rate’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c: In function ‘brcms_c_ampdu_dotxstatus’:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:1037:28: warning: variable ‘tx_info’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:1035:28: warning: variable ‘ini’ set but not used [-Wunused-but-set-variable]

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821071644.109970-5-lee.jones@linaro.org
2020-09-01 12:20:10 +03:00
Lee Jones
2de64ca7c9 brcmfmac: p2p: Deal with set but unused variables
'vif' is a function parameter which is oddly overwritten within the
function, but never read back.  'timeout' is set, but never checked.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c: In function ‘brcmf_p2p_scan_prep’:
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:894:31: warning: parameter ‘vif’ set but not used [-Wunused-but-set-parameter]
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c: In function ‘brcmf_p2p_tx_action_frame’:
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:1549:6: warning: variable ‘timeout’ set but not used [-Wunused-but-set-variable]

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200819072402.3085022-26-lee.jones@linaro.org
2020-09-01 12:06:18 +03:00
Allen Pais
427a06beb0 brcmsmac: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200817090637.26887-8-allen.cryptic@gmail.com
2020-08-27 16:22:05 +03:00
Allen Pais
fc67223014 b43legacy: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200817090637.26887-7-allen.cryptic@gmail.com
2020-08-27 16:22:04 +03:00
Gustavo A. R. Silva
ce3b6845fc b43legacy: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1].

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821064412.GA20612@embeddedor
2020-08-27 16:08:48 +03:00
Gustavo A. R. Silva
7b54281cb6 b43: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1].

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821064218.GA19502@embeddedor
2020-08-27 16:08:22 +03:00
Gustavo A. R. Silva
0bde10dc55 brcmfmac: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821063758.GA17783@embeddedor
2020-08-27 16:07:24 +03:00
Lee Jones
5ae6c8a696 b43: phy_n: Add empty braces around empty statements
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/b43/phy_n.c: In function ‘b43_nphy_workarounds_rev3plus’:
 drivers/net/wireless/broadcom/b43/phy_n.c:3346:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
 drivers/net/wireless/broadcom/b43/phy_n.c: In function ‘b43_nphy_spur_workaround’:
 drivers/net/wireless/broadcom/b43/phy_n.c:4608:4: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
 drivers/net/wireless/broadcom/b43/phy_n.c:4641:4: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
 drivers/net/wireless/broadcom/b43/phy_n.c: In function ‘b43_phy_initn’:
 drivers/net/wireless/broadcom/b43/phy_n.c:6170:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
 drivers/net/wireless/broadcom/b43/phy_n.c:6215:5: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: "Alexander A. Klimov" <grandmaster@al2klimov.de>
Cc: Michael Buesch <m@bues.ch>
Cc: linux-wireless@vger.kernel.org
Cc: b43-dev@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-31-lee.jones@linaro.org
2020-08-27 15:15:38 +03:00
Lee Jones
c171304b42 b43: phy_common: Demote non-conformant kerneldoc header
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/b43/phy_common.c:467: warning: Function parameter or member 'work' not described in 'b43_phy_txpower_adjust_work'

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: "Alexander A. Klimov" <grandmaster@al2klimov.de>
Cc: Martin Langer <martin-langer@gmx.de>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: Michael Buesch <m@bues.ch>
Cc: van Dyk <kugelfang@gentoo.org>
Cc: Andreas Jaggi <andreas.jaggi@waterwave.ch>
Cc: linux-wireless@vger.kernel.org
Cc: b43-dev@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-27-lee.jones@linaro.org
2020-08-27 15:15:37 +03:00
Lee Jones
7eae8c7329 brcmsmac: mac80211_if: Demote a few non-conformant kerneldoc headers
Fixes the following W=1 kernel build warning(s):

 In file included from drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c:30:
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c:288: warning: Function parameter or member 'wl' not described in 'brcms_free'
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c:1127: warning: Function parameter or member 'pdev' not described in 'brcms_attach'
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c:1222: warning: Function parameter or member 'pdev' not described in 'brcms_bcma_probe'
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c:1301: warning: Function parameter or member 'work' not described in 'brcms_driver_init'

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-25-lee.jones@linaro.org
2020-08-27 15:15:34 +03:00
Lee Jones
4e124e1fee brcmfmac: fweh: Fix docrot related function documentation issues
Also demote a commit block header which is clearly not suitable for kerneldoc.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c: In function ‘brcmf_fweh_handle_if_event’:
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:131:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable]
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:36: warning: Function parameter or member 'datalen' not described in 'brcmf_fweh_queue_item'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:44: warning: Function parameter or member 'code' not described in 'brcmf_fweh_event_name'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:44: warning: Function parameter or member 'name' not described in 'brcmf_fweh_event_name'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:127: warning: Function parameter or member 'emsg' not described in 'brcmf_fweh_handle_if_event'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:127: warning: Function parameter or member 'data' not described in 'brcmf_fweh_handle_if_event'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:127: warning: Excess function parameter 'item' description in 'brcmf_fweh_handle_if_event'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:127: warning: Excess function parameter 'ifpp' description in 'brcmf_fweh_handle_if_event'
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:391: warning: Function parameter or member 'packet_len' not described in 'brcmf_fweh_process_event'

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-24-lee.jones@linaro.org
2020-08-27 15:15:33 +03:00
Lee Jones
10c3ba7dbe brcmfmac: fweh: Remove set but unused variable 'err'
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c: In function ‘brcmf_fweh_handle_if_event’:
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:131:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable]

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-23-lee.jones@linaro.org
2020-08-27 15:15:32 +03:00
Lee Jones
6214ef8a53 b43legacy: main: Provide braces around empty 'if' body
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/b43legacy/main.c: In function ‘b43legacy_interrupt_tasklet’:
 drivers/net/wireless/broadcom/b43legacy/main.c:1344:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Martin Langer <martin-langer@gmx.de>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: Michael Buesch <m@bues.ch>
Cc: van Dyk <kugelfang@gentoo.org>
Cc: Andreas Jaggi <andreas.jaggi@waterwave.ch>
Cc: linux-wireless@vger.kernel.org
Cc: b43-dev@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-18-lee.jones@linaro.org
2020-08-27 15:15:30 +03:00
Lee Jones
64847777d0 b43: main: Add braces around empty statements
Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/broadcom/b43/main.c: In function ‘b43_dummy_transmission’:
 drivers/net/wireless/broadcom/b43/main.c:785:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
 drivers/net/wireless/broadcom/b43/main.c: In function ‘b43_do_interrupt_thread’:
 drivers/net/wireless/broadcom/b43/main.c:2017:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Martin Langer <martin-langer@gmx.de>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: Michael Buesch <m@bues.ch>
Cc: van Dyk <kugelfang@gentoo.org>
Cc: Andreas Jaggi <andreas.jaggi@waterwave.ch>
Cc: Albert Herranz <albert_herranz@yahoo.es>
Cc: linux-wireless@vger.kernel.org
Cc: b43-dev@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-8-lee.jones@linaro.org
2020-08-27 15:15:23 +03:00
Wright Feng
9a2a0862d9 brcmfmac: reserve tx credit only when txctl is ready to send
The 4329 throughput drops from 40.2 Mbits/sec to 190 Kbits/sec in 2G
11n mode because the commit b41c232d33 ("brcmfmac: reserve 2 credits
for host tx control path"). To fix the issue, host driver only reserves
tx control credit when there is a txctl frame is pending to send. And
we also check available credit by using "not equal to 0" instead of
"greater than 0" because tx_max and tx_seq are circled positive numbers.

Reported-by: Dmitry Osipenko <digetx@gmail.com>
Fixes: b41c232d33 ("brcmfmac: reserve 2 credits for host tx control path")
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200813070017.89023-1-wright.feng@cypress.com
2020-08-18 17:32:22 +03:00
Tom Rix
9c9f015bc9 brcmfmac: check ndev pointer
Clang static analysis reports this error

brcmfmac/core.c:490:4: warning: Dereference of null pointer
        (*ifp)->ndev->stats.rx_errors++;
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In this block of code

	if (ret || !(*ifp) || !(*ifp)->ndev) {
		if (ret != -ENODATA && *ifp)
			(*ifp)->ndev->stats.rx_errors++;
		brcmu_pkt_buf_free_skb(skb);
		return -ENODATA;
	}

(*ifp)->ndev being NULL is caught as an error
But then it is used to report the error.

So add a check before using it.

Fixes: 91b632803e ("brcmfmac: Use net_device_stats from struct net_device")
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200802161804.6126-1-trix@redhat.com
2020-08-18 15:49:28 +03:00
Andy Shevchenko
838933ca5b brcmfmac: use %*ph to print small buffer
Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200730155327.40130-1-andriy.shevchenko@linux.intel.com
2020-08-18 15:48:34 +03:00
Wang Yufen
6c151410d5 brcm80211: fix possible memleak in brcmf_proto_msgbuf_attach
When brcmf_proto_msgbuf_attach fail and msgbuf->txflow_wq != NULL,
we should destroy the workqueue.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1595237765-66238-1-git-send-email-wangyufen@huawei.com
2020-08-18 15:46:15 +03:00
Linus Torvalds
47ec5303d7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...
2020-08-05 20:13:21 -07:00
Nicolas Saenz Julienne
3dc05ffb04 brcmfmac: Set timeout value when configuring power save
Set the timeout value as per cfg80211's set_power_mgmt() request. If the
requested value value is left undefined we set it to 2 seconds, the
maximum supported value.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200721112302.22718-1-nsaenzjulienne@suse.de
2020-08-02 18:32:06 +03:00
Alexander A. Klimov
140c602616 b43legacy: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200719111124.58167-1-grandmaster@al2klimov.de
2020-08-02 18:17:37 +03:00
Alexander A. Klimov
2d96c1ed4b b43: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200719110115.58085-1-grandmaster@al2klimov.de
2020-08-02 18:16:35 +03:00
Kees Cook
3f649ab728 treewide: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings
(e.g. "unused variable"). If the compiler thinks it is uninitialized,
either simply initialize the variable or make compiler changes.

In preparation for removing[2] the[3] macro[4], remove all remaining
needless uses with the following script:

git grep '\buninitialized_var\b' | cut -d: -f1 | sort -u | \
	xargs perl -pi -e \
		's/\buninitialized_var\(([^\)]+)\)/\1/g;
		 s:\s*/\* (GCC be quiet|to make compiler happy) \*/$::g;'

drivers/video/fbdev/riva/riva_hw.c was manually tweaked to avoid
pathological white-space.

No outstanding warnings were found building allmodconfig with GCC 9.3.0
for x86_64, i386, arm64, arm, powerpc, powerpc64le, s390x, mips, sparc64,
alpha, and m68k.

[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/

Reviewed-by: Leon Romanovsky <leonro@mellanox.com> # drivers/infiniband and mlx4/mlx5
Acked-by: Jason Gunthorpe <jgg@mellanox.com> # IB
Acked-by: Kalle Valo <kvalo@codeaurora.org> # wireless drivers
Reviewed-by: Chao Yu <yuchao0@huawei.com> # erofs
Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-16 12:35:15 -07:00
Kees Cook
e909ec1018 b43: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings (e.g.
"unused variable"). If the compiler thinks it is uninitialized, either
simply initialize the variable or make compiler changes. As a precursor
to removing[2] this[3] macro[4], just initialize this variable to NULL.
No later NULL deref is possible due to the early returns outside of the
(phy->rev >= 7 && phy->rev < 19) case, which explicitly tests for NULL.

[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/

Fixes: 58619b14d1 ("b43: move under broadcom vendor directory")
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-16 12:32:25 -07:00
Kees Cook
800e7a205a b43: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings (e.g.
"unused variable"). If the compiler thinks it is uninitialized, either
simply initialize the variable or make compiler changes. As a precursor
to removing[2] this[3] macro[4], just initialize this variable to NULL.
No later NULL deref is possible due to the early returns outside of the
(phy->rev >= 7 && phy->rev < 19) case, which explicitly tests for NULL.

[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/

Fixes: 58619b14d1 ("b43: move under broadcom vendor directory")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200620033007.1444705-5-keescook@chromium.org
2020-07-15 13:36:38 +03:00
Flavio Suligoi
8bd4147c4b broadcom: fix wiki website url
In some b43 files, the wiki url is still the old
"wireless.kernel.org" instead of the new
"wireless.wiki.kernel.org"

Signed-off-by: Flavio Suligoi <f.suligoi@asem.it>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200605154112.16277-6-f.suligoi@asem.it
2020-07-15 13:18:41 +03:00
Linus Walleij
b424808115 brcm80211: brcmsmac: Move LEDs to GPIO descriptors
The code in the BRCM80211 BRCMSMAC driver is using the legacy
GPIO API to to a complex check of the validity of the base of
the GPIO chip and whether it is present at all and then adding
an offset to the base of the chip.

Use the existing function to obtain a GPIO line internally
from a GPIO chip so we can use the offset directly and
modernize the code to use GPIO descriptors instead of integers
from the global GPIO numberspace.

Cc: Wright Feng <wright.feng@cypress.com>
Cc: Frank Kao <frank.kao@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200711210150.4943-1-linus.walleij@linaro.org
2020-07-14 12:51:22 +03:00
Matthias Brugger
29e354ebee brcmfmac: Transform compatible string for FW loading
The driver relies on the compatible string from DT to determine which
FW configuration file it should load. The DTS spec allows for '/' as
part of the compatible string. We change this to '-' so that we will
still be able to load the config file, even when the compatible has a
'/'. This fixes explicitly the firmware loading for
"solidrun,cubox-i/q".

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Hans deGoede <hdegoede@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200701112201.6449-1-matthias.bgg@kernel.org
2020-07-14 12:50:43 +03:00
Wright Feng
2fa8085fc6 brcmfmac: set pacing shift before transmitting skb to bus
Linux 3.6 introduces TSQ which has a per socket threshold for TCP Tx
packet to reduce latency. In flow control mode, host driver enqueues skb
in hanger and TCP doesn't push new skb frees until host frees the skb when
receiving fwstatus event. So set pacing shift 8 to send them as a single
large aggregate frame to the bus layer.

43455 TX TCP throughput in different FC modes on Linux 5.4.18

sk_pacing_shift : Throughput (fcmode=0)
10: 245 Mbps
 9: 245 Mbps
 8: 246 Mbps
 7: 246 Mbps

sk_pacing_shift : Throughput (fcmode=1)
10: 182 Mbps
 9: 197 Mbps
 8: 206 Mbps
 7: 207 Mbps

sk_pacing_shift : Throughput (fcmode=2)
10: 180 Mbps
 9: 197 Mbps
 8: 206 Mbps
 7: 207 Mbps

Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200624091608.25154-3-wright.feng@cypress.com
2020-07-14 12:50:07 +03:00
Wright Feng
fcdd7a875d brcmfmac: set state of hanger slot to FREE when flushing PSQ
When USB or SDIO device got abnormal bus disconnection, host driver
tried to clean up the skbs in PSQ and TXQ (The skb's pointer in hanger
slot linked to PSQ and TSQ), so we should set the state of skb hanger slot
to BRCMF_FWS_HANGER_ITEM_STATE_FREE before freeing skb.
In brcmf_fws_bus_txq_cleanup it already sets
BRCMF_FWS_HANGER_ITEM_STATE_FREE before freeing skb, therefore we add the
same thing in brcmf_fws_psq_flush to avoid following warning message.

   [ 1580.012880] ------------   [ cut here ]------------
   [ 1580.017550] WARNING: CPU: 3 PID: 3065 at
drivers/net/wireless/broadcom/brcm80211/brcmutil/utils.c:49
brcmu_pkt_buf_free_skb+0x21/0x30 [brcmutil]
   [ 1580.184017] Call Trace:
   [ 1580.186514]  brcmf_fws_cleanup+0x14e/0x190 [brcmfmac]
   [ 1580.191594]  brcmf_fws_del_interface+0x70/0x90 [brcmfmac]
   [ 1580.197029]  brcmf_proto_bcdc_del_if+0xe/0x10 [brcmfmac]
   [ 1580.202418]  brcmf_remove_interface+0x69/0x190 [brcmfmac]
   [ 1580.207888]  brcmf_detach+0x90/0xe0 [brcmfmac]
   [ 1580.212385]  brcmf_usb_disconnect+0x76/0xb0 [brcmfmac]
   [ 1580.217557]  usb_unbind_interface+0x72/0x260
   [ 1580.221857]  device_release_driver_internal+0x141/0x200
   [ 1580.227152]  device_release_driver+0x12/0x20
   [ 1580.231460]  bus_remove_device+0xfd/0x170
   [ 1580.235504]  device_del+0x1d9/0x300
   [ 1580.239041]  usb_disable_device+0x9e/0x270
   [ 1580.243160]  usb_disconnect+0x94/0x270
   [ 1580.246980]  hub_event+0x76d/0x13b0
   [ 1580.250499]  process_one_work+0x144/0x360
   [ 1580.254564]  worker_thread+0x4d/0x3c0
   [ 1580.258247]  kthread+0x109/0x140
   [ 1580.261515]  ? rescuer_thread+0x340/0x340
   [ 1580.265543]  ? kthread_park+0x60/0x60
   [ 1580.269237]  ? SyS_exit_group+0x14/0x20
   [ 1580.273118]  ret_from_fork+0x25/0x30
   [ 1580.300446] ------------   [ cut here ]------------

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200624091608.25154-2-wright.feng@cypress.com
2020-07-14 12:50:06 +03:00
Chi-Hsien Lin
7836102a75 brcmfmac: reset SDIO bus on a firmware crash
commit 4684997d9e ("brcmfmac: reset PCIe bus on a firmware crash")
adds a reset function to recover firmware trap for PCIe bus. This commit
adds an implementation for SDIO bus.

Upon SDIO firmware trap, do below:
 - Remove the device
 - Reset hardware
 - Probe the device again

Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200622144851.165248-1-chi-hsien.lin@cypress.com
2020-07-14 12:48:34 +03:00
Able Liao
0d9de08da5 brcmfmac: do not disconnect for disassoc frame from unconnected AP
Ignore FW event if the event's BSSID is different form the BSSID of the
currently connected AP. Check interface state is connected or not, if
state is not connected that can ignore link down event.

Signed-off-by: Able Liao <Able.Liao@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200618160739.21457-4-chi-hsien.lin@cypress.com
2020-07-14 12:48:00 +03:00
Soontak Lee
1b050d9711 brcmfmac: Fix for wrong disconnection event source information
Current brcmf_link_down() always call cfg80211_disconnected() with
locally_generated=1, which is not always the case. Add event source
argument on link down handler and set locally_generated based on the
real trigger.

Signed-off-by: Soontak Lee <soontak.lee@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200618160739.21457-3-chi-hsien.lin@cypress.com
2020-07-14 12:47:59 +03:00
Soontak Lee
d9429d03b6 brcmfmac: Fix for unable to return to visible SSID
Unable to change back to visiable SSID because there is
no disable hidden ssid routine.

Signed-off-by: Soontak Lee <soontak.lee@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200618160739.21457-2-chi-hsien.lin@cypress.com
2020-07-14 12:47:58 +03:00
Joseph Chuang
ad96bc2703 brcmfmac: initialize the requested dwell time
Commit 4905432b28b7 ("brcmfmac: Fix P2P Group Formation failure via Go-neg
method") did not initialize requested_dwell properly, resulting in an
always-false dwell time overflow check. Fix it by setting the correct
requested_dwell value.

Fixes: 4905432b28b7 ("brcmfmac: Fix P2P Group Formation failure via Go-neg method")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Joseph Chuang <joseph.chuang@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-7-chi-hsien.lin@cypress.com
2020-07-14 12:46:47 +03:00
Double Lo
bbf7ae3dcb brcmfmac: fix throughput zero stalls on PM 1 mode due to credit map
This patch move the credit map setting to right place to avoid
brcmf_fws_return_credits() return without setting the credit map.
It fix the thoughput zero stalls issue in softAP mode when STA
using PM 1 mode.

Signed-off-by: Double Lo <double.lo@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-6-chi-hsien.lin@cypress.com
2020-07-14 12:46:46 +03:00
Chung-Hsien Hsu
d843246ee7 brcmfmac: update tx status flags to sync with firmware
There is a mismatch of tx status flag values between host and firmware.
It makes the host mistake the flags and have incorrect behavior of credit
returns. So update the flags to sync with the firmware ones.

Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-5-chi-hsien.lin@cypress.com
2020-07-14 12:46:44 +03:00
Amar Shankar
b41c232d33 brcmfmac: reserve 2 credits for host tx control path
It is observed that sometimes when sdiod is low in tx credits in low
rssi scenarios, the data path consumes all sdiod rx all credits and
there is no sdiod rx credit available for control path causing host
and card to go out of sync resulting in link loss between host and
card. So in order to prevent it some credits are reserved for control
path.

Note that TXCTL_CREDITS can't be larger than the firmware default
credit update threshold 2; otherwise there will be a deadlock for both
side waiting for each other.

Signed-off-by: Amar Shankar <amsr@cypress.com>
Signed-off-by: Jia-Shyr Chuang <joseph.chuang@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-4-chi-hsien.lin@cypress.com
2020-07-14 12:46:43 +03:00
Jia-Shyr Chuang
fc4aa12597 brcmfmac: increase message buffer size for control packets
In wifi firmware, max length of IOCTL/IOVAR buffer size is 8192.
Increase the message buffer max size same as wifi firmware for control
packets so return buffers can come back.

Signed-off-by: Soontak Lee <soontak.lee@cypress.com>
Signed-off-by: Jia-Shyr Chuang <joseph.chuang@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-3-chi-hsien.lin@cypress.com
2020-07-14 12:46:42 +03:00
Raveendran Somu
683608bde0 brcmfmac: allow credit borrowing for all access categories
Current credit borrowing allows only the access category BE to
borrow the credits. This change is to fix the credit borrowing
logic, to make borrowing available for all access categories
and also to borrow only from the lower categories. This fixes WFA
802.11n certs 5.2.27 failures.

Signed-off-by: Raveendran Somu <raveendran.somu@cypress.com>
Signed-off-by: Jia-Shyr Chuang <joseph.chuang@cypress.com>
Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-2-chi-hsien.lin@cypress.com
2020-07-14 12:46:41 +03:00
Prasanna Kerekoppa
fa3266541b brcmfmac: To fix Bss Info flag definition Bug
Bss info flag definition need to be fixed from 0x2 to 0x4
This flag is for rssi info received on channel.
All Firmware branches defined as 0x4 and this is bug in brcmfmac.

Signed-off-by: Prasanna Kerekoppa <prasanna.kerekoppa@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200604071835.3842-6-wright.feng@cypress.com
2020-07-14 12:43:47 +03:00
Wright Feng
ec3428bb89 brcmfmac: reduce maximum station interface from 2 to 1 in RSDB mode
The firmware state machines are not fully suitable for concurrent
station interface support, it may hit unexpected error if we have 2
different SSIDs and the roaming scenarios concurrently.
To avoid the bad user-experience if this is not fully validated, we
dis-allow user to create two concurrent station interfaces.

Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200604071835.3842-5-wright.feng@cypress.com
2020-07-14 12:43:45 +03:00