From: Wen Gong <wgong@codeaurora.org> To: Arend van Spriel <arend.vanspriel@broadcom.com> Cc: johannes@sipsolutions.net, ath11k@lists.infradead.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH] wireless: add check of field VHT Extended NSS BW Capable for 160/80+80 MHz setting Date: Fri, 21 May 2021 10:21:33 +0800 [thread overview] Message-ID: <2f580f80af0ec9b17068d80d42e666b9@codeaurora.org> (raw) In-Reply-To: <fe1b7675-23ba-a86e-90db-de5803231e21@broadcom.com> On 2021-05-21 03:21, Arend van Spriel wrote: > On 5/20/2021 5:40 AM, Wen Gong wrote: >> Table 9-251—Supported VHT-MCS and NSS Set subfields, it has subfield >> VHT Extended >> NSS BW Capable, its definition is: >> Indicates whether the STA is capable of interpreting the Extended NSS >> BW >> Support subfield of the VHT Capabilities Information field. >> >> This patch is to add check for the subfield. > > Almost looks good to me, but... > >> Signed-off-by: Wen Gong <wgong@codeaurora.org> >> --- >> net/wireless/chan.c | 8 +++++--- >> 1 file changed, 5 insertions(+), 3 deletions(-) >> >> diff --git a/net/wireless/chan.c b/net/wireless/chan.c >> index 285b8076054b..f7f86bd75cc0 100644 >> --- a/net/wireless/chan.c >> +++ b/net/wireless/chan.c > > [...] > >> @@ -1037,7 +1039,7 @@ bool cfg80211_chandef_usable(struct wiphy >> *wiphy, >> cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; >> if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && >> cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ && >> - !(vht_cap->cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)) >> + !(ext_nss_cap && vht_cap->cap & >> IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)) > > you should not mix logical and binary operators so add braces around > the binary operation here. priority of & is higher than &&, so it not need to add braces here. however, i have sent patch v2 which added the braces. https://lore.kernel.org/linux-wireless/20210521021809.23986-1-wgong@codeaurora.org/T/#u > > Regards, > Arend > >> return false; >> break; >> default: >>
WARNING: multiple messages have this Message-ID (diff)
From: Wen Gong <wgong@codeaurora.org> To: Arend van Spriel <arend.vanspriel@broadcom.com> Cc: johannes@sipsolutions.net, ath11k@lists.infradead.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH] wireless: add check of field VHT Extended NSS BW Capable for 160/80+80 MHz setting Date: Fri, 21 May 2021 10:21:33 +0800 [thread overview] Message-ID: <2f580f80af0ec9b17068d80d42e666b9@codeaurora.org> (raw) In-Reply-To: <fe1b7675-23ba-a86e-90db-de5803231e21@broadcom.com> On 2021-05-21 03:21, Arend van Spriel wrote: > On 5/20/2021 5:40 AM, Wen Gong wrote: >> Table 9-251—Supported VHT-MCS and NSS Set subfields, it has subfield >> VHT Extended >> NSS BW Capable, its definition is: >> Indicates whether the STA is capable of interpreting the Extended NSS >> BW >> Support subfield of the VHT Capabilities Information field. >> >> This patch is to add check for the subfield. > > Almost looks good to me, but... > >> Signed-off-by: Wen Gong <wgong@codeaurora.org> >> --- >> net/wireless/chan.c | 8 +++++--- >> 1 file changed, 5 insertions(+), 3 deletions(-) >> >> diff --git a/net/wireless/chan.c b/net/wireless/chan.c >> index 285b8076054b..f7f86bd75cc0 100644 >> --- a/net/wireless/chan.c >> +++ b/net/wireless/chan.c > > [...] > >> @@ -1037,7 +1039,7 @@ bool cfg80211_chandef_usable(struct wiphy >> *wiphy, >> cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; >> if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && >> cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ && >> - !(vht_cap->cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)) >> + !(ext_nss_cap && vht_cap->cap & >> IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)) > > you should not mix logical and binary operators so add braces around > the binary operation here. priority of & is higher than &&, so it not need to add braces here. however, i have sent patch v2 which added the braces. https://lore.kernel.org/linux-wireless/20210521021809.23986-1-wgong@codeaurora.org/T/#u > > Regards, > Arend > >> return false; >> break; >> default: >> -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k
next prev parent reply other threads:[~2021-05-21 2:21 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-20 3:40 [PATCH] wireless: add check of field VHT Extended NSS BW Capable for 160/80+80 MHz setting Wen Gong 2021-05-20 3:40 ` Wen Gong 2021-05-20 19:21 ` Arend van Spriel 2021-05-20 19:21 ` Arend van Spriel 2021-05-21 2:21 ` Wen Gong [this message] 2021-05-21 2:21 ` Wen Gong
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