Date: Sun, 24 Jan 2021 19:12:50 GMT From: Alexander Motin <mav@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: b31dae0caa02 - main - Exclude reserved iSCSI Target Transfer Tag. Message-ID: <202101241912.10OJCode077096@gitrepo.freebsd.org>
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The branch main has been updated by mav: URL: https://cgit.FreeBSD.org/src/commit/?id=b31dae0caa0286820805951842fa871f71b33d75 commit b31dae0caa0286820805951842fa871f71b33d75 Author: Alexander Motin <mav@FreeBSD.org> AuthorDate: 2021-01-24 18:58:29 +0000 Commit: Alexander Motin <mav@FreeBSD.org> CommitDate: 2021-01-24 18:58:29 +0000 Exclude reserved iSCSI Target Transfer Tag. RFC 7143 (11.7.4): The Target Transfer Tag values are not specified by this protocol, except that the value 0xffffffff is reserved and means that the Target Transfer Tag is not supplied. MFC after: 1 month --- sys/cam/ctl/ctl_frontend_iscsi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index 996ab4e44fc0..8b0effcaf393 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.c +++ b/sys/cam/ctl/ctl_frontend_iscsi.c @@ -2693,6 +2693,10 @@ cfiscsi_datamove_out(union ctl_io *io) target_transfer_tag = atomic_fetchadd_32(&cs->cs_target_transfer_tag, 1); + if (target_transfer_tag == 0xffffffff) { + target_transfer_tag = + atomic_fetchadd_32(&cs->cs_target_transfer_tag, 1); + } cdw = cfiscsi_data_wait_new(cs, io, bhssc->bhssc_initiator_task_tag, &target_transfer_tag); if (cdw == NULL) {
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