Date: Sun, 10 Mar 2019 19:12:41 -0700 (PDT) From: "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> To: Andriy Voskoboinyk <avos@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r344990 - in head: share/man/man9 sys/dev/ath sys/dev/bwi sys/dev/bwn sys/dev/ipw sys/dev/iwi sys/dev/iwm sys/dev/iwn sys/dev/malo sys/dev/mwl sys/dev/otus sys/dev/ral sys/dev/rtwn sys/... Message-ID: <201903110212.x2B2CftU007605@ gndrsh.dnsmgr.net> In-Reply-To: <201903110127.x2B1R2as090886@repo.freebsd.org>
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> Author: avos > Date: Mon Mar 11 01:27:01 2019 > New Revision: 344990 > URL: https://svnweb.freebsd.org/changeset/base/344990 > > Log: > Fix ieee80211_radiotap(9) usage in wireless drivers: > > - Alignment issues: > * Add missing __packed attributes + padding across all drivers; in > most places there was an assumption that padding will be always > minimally suitable; in few places - e.g., in urtw(4) / rtwn(4) - > padding was just missing. > * Add __aligned(8) attribute for all Rx radiotap headers since they can > contain 64-bit TSF timestamp; it cannot appear in Tx radiotap headers, so > just drop the attribute here. Refresh ieee80211_radiotap(9) man page > accordingly. > > - Since net80211 automatically updates channel frequency / flags in > ieee80211_radiotap_chan_change() drop duplicate setup for these fields > in drivers. > > Tested with Netgear WG111 v3 (urtw(4)), STA mode. > > MFC after: 2 weeks Isnt this going to seriously break module load compatibility due to struct size and alignment changes if you merge this to stable/12? > Modified: > head/share/man/man9/ieee80211_radiotap.9 > head/sys/dev/ath/if_athioctl.h > head/sys/dev/bwi/if_bwi.c > head/sys/dev/bwi/if_bwivar.h > head/sys/dev/bwn/if_bwn.c > head/sys/dev/bwn/if_bwnvar.h ... -- Rod Grimes rgrimes@freebsd.org
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