diff options
Diffstat (limited to 'share/man/man4/vtnet.4')
| -rw-r--r-- | share/man/man4/vtnet.4 | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/share/man/man4/vtnet.4 b/share/man/man4/vtnet.4 index b6f10ddd87cb..67a835050422 100644 --- a/share/man/man4/vtnet.4 +++ b/share/man/man4/vtnet.4 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd August 21, 2025 +.Dd September 4, 2025 .Dt VTNET 4 .Os .Sh NAME @@ -127,7 +127,6 @@ This option applies to all interfaces. The default value is 0. .El .Sh TRANSMIT QUEUE STATISTICS -.Bl -tag -width "xxxxxx" For each transmit queue of each interface the following read-only statistics are provided: .Bl -tag -width "xxxxxx" @@ -154,7 +153,14 @@ The number of times the receive interrupt handler was rescheduled. .It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .host_lro The number of times TCP large receive offload was performed. .It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum_failed -Currently not used. +The number of times a packet with a request for receive or transmit checksum +offloading was received and this request failed. +The different reasons for the failure are counted by +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_inaccessible_ipproto , +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ipproto , +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ethtype , +and +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_offset . .It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum The number of times receive checksum offloading for UDP or TCP was performed. .It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .ierrors @@ -214,18 +220,21 @@ over all receive queues of the interface. The sum of .Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum_failed over all receive queues of the interface. -.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_proto -Currently unused. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_inaccessible_ipproto +The number of times a packet with a request for receive or transmit checksum +offloading was received where the IP protocol was not accessible. .It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_offset -Currently unused. -.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ipproto -Currently unused. -.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ethtype The number of times fixing the checksum required by .Va hw.vtnet.fixup_needs_csum or .Va hw.vtnet. Ns Ar X Ns Va .fixup_needs_csum -was attempted for a packet with an EtherType other than IPv4 or IPv6. +was attempted for a packet where the csum is not located in the first mbuf. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ipproto +The number of times a packet with a request for receive or transmit checksum +offloading was received where the IP protocol was neither TCP nor UDP. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ethtype +The number of times a packet with a request for receive or transmit checksum +offloading was received where the EtherType was neither IPv4 nor IPv6. .It Va dev.vtnet. Ns Ar X Ns Va .rx_mergeable_failed The number of times receiving a mergable buffer failed. .It Va dev.vtnet. Ns Ar X Ns Va .rx_enq_replacement_failed |