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hyperv/hn: Remove the FreeBSD_version check for TSO configuration
It is available on both stable/10 and stable/11. This eases future MFCs to stable/10. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7872
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parent
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=305796
@ -232,12 +232,10 @@ SYSCTL_INT(_hw_hn, OID_AUTO, trust_hostip, CTLFLAG_RDTUN,
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"Trust ip packet verification on host side, "
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"when csum info is missing (global setting)");
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#if __FreeBSD_version >= 1100045
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/* Limit TSO burst size */
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static int hn_tso_maxlen = 0;
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SYSCTL_INT(_hw_hn, OID_AUTO, tso_maxlen, CTLFLAG_RDTUN,
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&hn_tso_maxlen, 0, "TSO burst limit");
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#endif
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/* Limit chimney send size */
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static int hn_tx_chimney_size = 0;
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@ -452,9 +450,7 @@ netvsc_attach(device_t dev)
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uint32_t link_status;
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struct ifnet *ifp = NULL;
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int error, ring_cnt, tx_ring_cnt;
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#if __FreeBSD_version >= 1100045
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int tso_maxlen;
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#endif
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sc->hn_dev = dev;
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sc->hn_prichan = vmbus_get_channel(dev);
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@ -587,7 +583,6 @@ netvsc_attach(device_t dev)
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if (link_status == NDIS_MEDIA_STATE_CONNECTED)
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sc->hn_carrier = 1;
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#if __FreeBSD_version >= 1100045
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tso_maxlen = hn_tso_maxlen;
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if (tso_maxlen <= 0 || tso_maxlen > IP_MAXPACKET)
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tso_maxlen = IP_MAXPACKET;
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@ -596,17 +591,14 @@ netvsc_attach(device_t dev)
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ifp->if_hw_tsomaxsegsize = PAGE_SIZE;
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ifp->if_hw_tsomax = tso_maxlen -
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(ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN);
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#endif
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error = hn_rndis_get_eaddr(sc, eaddr);
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if (error)
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goto failed;
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ether_ifattach(ifp, eaddr);
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#if __FreeBSD_version >= 1100045
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if_printf(ifp, "TSO: %u/%u/%u\n", ifp->if_hw_tsomax,
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ifp->if_hw_tsomaxsegcount, ifp->if_hw_tsomaxsegsize);
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#endif
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hn_set_chim_size(sc, sc->hn_chim_szmax);
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if (hn_tx_chimney_size > 0 &&
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