git: 2bfab3577452 - main - if_vtnet: Add counter for received host LRO

[Bryan Venteicher]

The branch main has been updated by bryanv:

URL: https://cgit.FreeBSD.org/src/commit/?id=2bfab357745256342fbf7cea952c534f6680b8bb

commit 2bfab357745256342fbf7cea952c534f6680b8bb
Author:     Bryan Venteicher <bryanv at FreeBSD.org>
AuthorDate: 2021-01-19 04:55:26 +0000
Commit:     Bryan Venteicher <bryanv at FreeBSD.org>
CommitDate: 2021-01-19 04:55:26 +0000

    if_vtnet: Add counter for received host LRO
    
    Reviewed by: grehan (mentor)
    Differential Revision: https://reviews.freebsd.org/D27928
---
 sys/dev/virtio/network/if_vtnet.c    | 3 +++
 sys/dev/virtio/network/if_vtnetvar.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/sys/dev/virtio/network/if_vtnet.c b/sys/dev/virtio/network/if_vtnet.c
index 1ed149c3d1eb..ed3065b61283 100644
--- a/sys/dev/virtio/network/if_vtnet.c
+++ b/sys/dev/virtio/network/if_vtnet.c
@@ -2016,6 +2016,7 @@ vtnet_rxq_input(struct vtnet_rxq *rxq, struct mbuf *m,
 		case VIRTIO_NET_HDR_GSO_TCPV6:
 			m->m_pkthdr.lro_nsegs =
 			    howmany(m->m_pkthdr.len, hdr->gso_size);
+			rxq->vtnrx_stats.vrxs_host_lro++;
 			break;
 		}
 	}
@@ -4074,6 +4075,8 @@ vtnet_setup_rxq_sysctl(struct sysctl_ctx_list *ctx,
 	    &stats->vrxs_csum, "Receive checksum offloaded");
 	SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum_failed", CTLFLAG_RD,
 	    &stats->vrxs_csum_failed, "Receive checksum offload failed");
+	SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "host_lro", CTLFLAG_RD,
+	    &stats->vrxs_host_lro, "Receive host segmentation offloaded");
 	SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "rescheduled", CTLFLAG_RD,
 	    &stats->vrxs_rescheduled,
 	    "Receive interrupt handler rescheduled");
diff --git a/sys/dev/virtio/network/if_vtnetvar.h b/sys/dev/virtio/network/if_vtnetvar.h
index f928b9bd9b38..d26f7240a67a 100644
--- a/sys/dev/virtio/network/if_vtnetvar.h
+++ b/sys/dev/virtio/network/if_vtnetvar.h
@@ -68,6 +68,7 @@ struct vtnet_rxq_stats {
 	uint64_t	vrxs_ierrors;	/* if_ierrors */
 	uint64_t	vrxs_csum;
 	uint64_t	vrxs_csum_failed;
+	uint64_t	vrxs_host_lro;
 	uint64_t	vrxs_rescheduled;
 };