Date: Sun, 31 Jan 2021 08:51:59 GMT From: Vincenzo Maffione <vmaffione@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 31c2349742a9 - stable/12 - iflib: netmap: move per-packet operation out of fragments loop Message-ID: <202101310851.10V8px1A017396@gitrepo.freebsd.org>
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The branch stable/12 has been updated by vmaffione: URL: https://cgit.FreeBSD.org/src/commit/?id=31c2349742a9391899180e46336cb227828bf732 commit 31c2349742a9391899180e46336cb227828bf732 Author: Vincenzo Maffione <vmaffione@FreeBSD.org> AuthorDate: 2021-01-24 21:38:59 +0000 Commit: Vincenzo Maffione <vmaffione@FreeBSD.org> CommitDate: 2021-01-31 08:51:56 +0000 iflib: netmap: move per-packet operation out of fragments loop MFC after: 1 week (cherry picked from commit f80efe5016ba01b2948ca1f0eb8fe34adab5b864) --- sys/net/iflib.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/sys/net/iflib.c b/sys/net/iflib.c index 80aeda5847cb..ae203d871a5c 100644 --- a/sys/net/iflib.c +++ b/sys/net/iflib.c @@ -1217,17 +1217,18 @@ iflib_netmap_rxsync(struct netmap_kring *kring, int flags) ring->slot[nm_i].flags = NS_MOREFRAG; } - if (have_rxcq) { - *cidxp = ri.iri_cidx; - while (*cidxp >= scctx->isc_nrxd[0]) - *cidxp -= scctx->isc_nrxd[0]; - } - bus_dmamap_sync(fl->ifl_buf_tag, fl->ifl_sds.ifsd_map[nic_i], BUS_DMASYNC_POSTREAD); nm_i = nm_next(nm_i, lim); fl->ifl_cidx = nic_i = nm_next(nic_i, lim); } + + if (have_rxcq) { + *cidxp = ri.iri_cidx; + while (*cidxp >= scctx->isc_nrxd[0]) + *cidxp -= scctx->isc_nrxd[0]; + } + } if (n) { /* update the state variables */ if (netmap_no_pendintr && !force_update) {
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