git: 9e596eab21d4 - stable/14 - dpaa2: allow tapping of tx packets in dpni

From: Bjoern A. Zeeb <bz_at_FreeBSD.org>
Date: Thu, 17 Oct 2024 09:16:53 UTC
The branch stable/14 has been updated by bz:

URL: https://cgit.FreeBSD.org/src/commit/?id=9e596eab21d46864f0d90aae085319a1782e565e

commit 9e596eab21d46864f0d90aae085319a1782e565e
Author:     Bjoern A. Zeeb <bz@FreeBSD.org>
AuthorDate: 2024-10-13 23:14:35 +0000
Commit:     Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2024-10-16 21:50:49 +0000

    dpaa2: allow tapping of tx packets in dpni
    
    Packet capturing on dpni is only half-working given the BPF_MTAP call
    in the TX path is missing. Add it to see packets in both directions.
    
    Reviewed by:    dsl
    Differential Revision: https://reviews.freebsd.org/D47103
    
    (cherry picked from commit e69e172d40585cfbcfdb28433cec523ca4867cf1)
---
 sys/dev/dpaa2/dpaa2_ni.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/dev/dpaa2/dpaa2_ni.c b/sys/dev/dpaa2/dpaa2_ni.c
index 622e63626bfe..698b440376e3 100644
--- a/sys/dev/dpaa2/dpaa2_ni.c
+++ b/sys/dev/dpaa2/dpaa2_ni.c
@@ -2936,6 +2936,8 @@ dpaa2_ni_tx(struct dpaa2_ni_softc *sc, struct dpaa2_channel *ch,
 	KASSERT(btx->fq->chan == ch, ("%s: unexpected channel", __func__));
 #endif /* INVARIANTS */
 
+	BPF_MTAP(sc->ifp, m);
+
 	error = bus_dmamap_load_mbuf_sg(buf->dmat, buf->dmap, m, segs, &nsegs,
 	    BUS_DMA_NOWAIT);
 	if (__predict_false(error != 0)) {