Here is a diff to enable the checksum offload support for jme(4). Looking for any testing.
Index: if_jme.c =================================================================== RCS file: /home/cvs/src/sys/dev/pci/if_jme.c,v retrieving revision 1.30 diff -u -p -r1.30 if_jme.c --- if_jme.c 7 Aug 2013 01:06:35 -0000 1.30 +++ if_jme.c 9 Sep 2013 18:44:25 -0000 @@ -612,12 +612,8 @@ jme_attach(struct device *parent, struct IFQ_SET_READY(&ifp->if_snd); strlcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ); - ifp->if_capabilities = IFCAP_VLAN_MTU; - -#ifdef JME_CHECKSUM - ifp->if_capabilities |= IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | - IFCAP_CSUM_UDPv4; -#endif + ifp->if_capabilities = IFCAP_VLAN_MTU | IFCAP_CSUM_IPv4 | + IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4; #if NVLAN > 0 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.