git: 8049f85bdd8b - stable/14 - vtnet: Do "hardware" accounting for the total number of received octets

From: Zhenlei Huang <zlei_at_FreeBSD.org>
Date: Sat, 27 Sep 2025 15:14:02 UTC
The branch stable/14 has been updated by zlei:

URL: https://cgit.FreeBSD.org/src/commit/?id=8049f85bdd8b60560d7a4759afb762dc62033171

commit 8049f85bdd8b60560d7a4759afb762dc62033171
Author:     Joyu Liao <joyul@juniper.net>
AuthorDate: 2025-09-04 20:00:27 +0000
Commit:     Zhenlei Huang <zlei@FreeBSD.org>
CommitDate: 2025-09-27 15:11:37 +0000

    vtnet: Do "hardware" accounting for the total number of received octets
    
    While here, advertise the IFCAP_HWSTATS capability to avoid the net
    stack from double counting it.
    
    Co-authored-by: zlei
    Reviewed by:    zlei
    MFC after:      2 weeks
    Differential Revision:  https://reviews.freebsd.org/D44816
    
    (cherry picked from commit a14d561e58529c9686a2efc47f4828ad82026e63)
---
 sys/dev/virtio/network/if_vtnet.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/dev/virtio/network/if_vtnet.c b/sys/dev/virtio/network/if_vtnet.c
index 92cb659c92c3..355027391985 100644
--- a/sys/dev/virtio/network/if_vtnet.c
+++ b/sys/dev/virtio/network/if_vtnet.c
@@ -1178,6 +1178,7 @@ vtnet_setup_interface(struct vtnet_softc *sc)
 	if (sc->vtnet_max_mtu >= ETHERMTU_JUMBO)
 		if_setcapabilitiesbit(ifp, IFCAP_JUMBO_MTU, 0);
 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU, 0);
+	if_setcapabilitiesbit(ifp, IFCAP_HWSTATS, 0);
 
 	/*
 	 * Capabilities after here are not enabled by default.
@@ -3047,6 +3048,8 @@ vtnet_get_counter(if_t ifp, ift_counter cnt)
 		return (rxaccum.vrxs_iqdrops);
 	case IFCOUNTER_IERRORS:
 		return (rxaccum.vrxs_ierrors);
+	case IFCOUNTER_IBYTES:
+		return (rxaccum.vrxs_ibytes);
 	case IFCOUNTER_OPACKETS:
 		return (txaccum.vtxs_opackets);
 #ifndef VTNET_LEGACY_TX