I'v enabled CSUM for em(4) since Aug 6:th , in GENERIC. So far, 34 days up and no problems.
em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x05: msi em1 at pci6 dev 0 function 0 "Intel 82574L" rev 0x00: msi //mxb On 9 sep 2013, at 21:44, Brad Smith <b...@comstyle.com> wrote: > Since I have been asked to send out these diffs again here is a diff to enable > the checksum offload support for em(4). > > Looking for any testing. > > > Index: if_em.c > =================================================================== > RCS file: /home/cvs/src/sys/dev/pci/if_em.c,v > retrieving revision 1.269 > diff -u -p -r1.269 if_em.c > --- if_em.c 27 Jan 2013 04:18:02 -0000 1.269 > +++ if_em.c 9 Sep 2013 18:33:45 -0000 > @@ -211,10 +211,8 @@ int em_rxfill(struct em_softc *); > void em_rxeof(struct em_softc *); > void em_receive_checksum(struct em_softc *, struct em_rx_desc *, > struct mbuf *); > -#ifdef EM_CSUM_OFFLOAD > void em_transmit_checksum_setup(struct em_softc *, struct mbuf *, > u_int32_t *, u_int32_t *); > -#endif > void em_iff(struct em_softc *); > #ifdef EM_DEBUG > void em_print_hw_stats(struct em_softc *); > @@ -1121,14 +1119,10 @@ em_encap(struct em_softc *sc, struct mbu > if (map->dm_nsegs > sc->num_tx_desc_avail - 2) > goto fail; > > -#ifdef EM_CSUM_OFFLOAD > if (sc->hw.mac_type >= em_82543) > em_transmit_checksum_setup(sc, m_head, &txd_upper, &txd_lower); > else > txd_upper = txd_lower = 0; > -#else > - txd_upper = txd_lower = 0; > -#endif > > i = sc->next_avail_tx_desc; > if (sc->pcix_82544) > @@ -1853,10 +1847,8 @@ em_setup_interface(struct em_softc *sc) > ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; > #endif > > -#ifdef EM_CSUM_OFFLOAD > if (sc->hw.mac_type >= em_82543) > - ifp->if_capabilities |= IFCAP_CSUM_TCPv4|IFCAP_CSUM_UDPv4; > -#endif > + ifp->if_capabilities |= IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4; > > /* > * Specify the media types supported by this adapter and register > @@ -2275,7 +2267,6 @@ em_free_transmit_structures(struct em_so > sc->txtag = NULL; > } > > -#ifdef EM_CSUM_OFFLOAD > /********************************************************************* > * > * The offload context needs to be set when we transfer the first > @@ -2356,7 +2347,6 @@ em_transmit_checksum_setup(struct em_sof > sc->num_tx_desc_avail--; > sc->next_avail_tx_desc = curr_txd; > } > -#endif /* EM_CSUM_OFFLOAD */ > > /********************************************************************** > * > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. >
