git: bd7f55a1d815 - stable/15 - vtnet: improve control of transmit offloading

The branch stable/15 has been updated by tuexen:

URL: https://cgit.FreeBSD.org/src/commit/?id=bd7f55a1d815f841bd20e04bb1d8df0a5c023778

commit bd7f55a1d815f841bd20e04bb1d8df0a5c023778
Author:     Michael Tuexen <tuexen@FreeBSD.org>
AuthorDate: 2025-09-28 09:01:18 +0000
Commit:     Michael Tuexen <tuexen@FreeBSD.org>
CommitDate: 2025-09-30 21:49:23 +0000

    vtnet: improve control of transmit offloading
    
    Keep the hwassist flags for transmit checksum offload and transmit
    segment offload in sync with the enabled capabilities.
    
    Reported by:            Timo Völker
    Reviewed by:            Timo Völker
    Differential Revision:  https://reviews.freebsd.org/D52765
    
    (cherry picked from commit f2575d56c8c9a8acad4a61a3586546dff4febce1)
---
 sys/dev/virtio/network/if_vtnet.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/sys/dev/virtio/network/if_vtnet.c b/sys/dev/virtio/network/if_vtnet.c
index a4bb57adc609..634ba0de2d55 100644
--- a/sys/dev/virtio/network/if_vtnet.c
+++ b/sys/dev/virtio/network/if_vtnet.c
@@ -1345,14 +1345,22 @@ vtnet_ioctl_ifcap(struct vtnet_softc *sc, struct ifreq *ifr)
 
 	VTNET_CORE_LOCK_ASSERT(sc);
 
-	if (mask & IFCAP_TXCSUM)
+	if (mask & IFCAP_TXCSUM) {
 		if_togglecapenable(ifp, IFCAP_TXCSUM);
-	if (mask & IFCAP_TXCSUM_IPV6)
+		if_togglehwassist(ifp, VTNET_CSUM_OFFLOAD);
+	}
+	if (mask & IFCAP_TXCSUM_IPV6) {
 		if_togglecapenable(ifp, IFCAP_TXCSUM_IPV6);
-	if (mask & IFCAP_TSO4)
+		if_togglehwassist(ifp, VTNET_CSUM_OFFLOAD_IPV6);
+	}
+	if (mask & IFCAP_TSO4) {
 		if_togglecapenable(ifp, IFCAP_TSO4);
-	if (mask & IFCAP_TSO6)
+		if_togglehwassist(ifp, IFCAP_TSO4);
+	}
+	if (mask & IFCAP_TSO6) {
 		if_togglecapenable(ifp, IFCAP_TSO6);
+		if_togglehwassist(ifp, IFCAP_TSO6);
+	}
 
 	if (mask & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | IFCAP_LRO)) {
 		/*