Date: Wed, 18 Feb 2009 18:58:02 +0000 (UTC) From: Doug Rabson <dfr@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r188757 - user/dfr/xenhvm/7/sys/dev/xen/netfront Message-ID: <200902181858.n1IIw2UV072040@svn.freebsd.org>
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Author: dfr Date: Wed Feb 18 18:58:02 2009 New Revision: 188757 URL: http://svn.freebsd.org/changeset/base/188757 Log: Enable TSO for IPv4. Modified: user/dfr/xenhvm/7/sys/dev/xen/netfront/netfront.c Modified: user/dfr/xenhvm/7/sys/dev/xen/netfront/netfront.c ============================================================================== --- user/dfr/xenhvm/7/sys/dev/xen/netfront/netfront.c Wed Feb 18 18:41:34 2009 (r188756) +++ user/dfr/xenhvm/7/sys/dev/xen/netfront/netfront.c Wed Feb 18 18:58:02 2009 (r188757) @@ -76,7 +76,7 @@ __FBSDID("$FreeBSD$"); #include "xenbus_if.h" -#define XN_CSUM_FEATURES (CSUM_TCP | CSUM_UDP) +#define XN_CSUM_FEATURES (CSUM_TCP | CSUM_UDP | CSUM_TSO) #define GRANT_INVALID_REF 0 @@ -968,6 +968,7 @@ xn_txeof(struct netfront_info *np) RING_IDX i, prod; unsigned short id; struct ifnet *ifp; + netif_tx_response_t *txr; struct mbuf *m; XN_TX_LOCK_ASSERT(np); @@ -983,7 +984,11 @@ xn_txeof(struct netfront_info *np) rmb(); /* Ensure we see responses up to 'rp'. */ for (i = np->tx.rsp_cons; i != prod; i++) { - id = RING_GET_RESPONSE(&np->tx, i)->id; + txr = RING_GET_RESPONSE(&np->tx, i); + if (txr->status == NETIF_RSP_NULL) + continue; + + id = txr->id; m = np->xn_cdata.xn_tx_chain[id]; /* @@ -1398,8 +1403,9 @@ xn_start_locked(struct ifnet *ifp) else tx->flags |= NETTXF_extra_info; - gso->u.gso.size = m->m_pkthdr.len; - gso->u.gso.type = XEN_NETIF_GSO_TYPE_TCPV4; + gso->u.gso.size = m->m_pkthdr.tso_segsz; + gso->u.gso.type = + XEN_NETIF_GSO_TYPE_TCPV4; gso->u.gso.pad = 0; gso->u.gso.features = 0; @@ -1781,7 +1787,7 @@ create_netdev(device_t dev) ifp->if_hwassist = XN_CSUM_FEATURES; ifp->if_capabilities = IFCAP_HWCSUM; #if __FreeBSD_version >= 700000 - //ifp->if_capabilities |= IFCAP_TSO4; + ifp->if_capabilities |= IFCAP_TSO4; #endif ifp->if_capenable = ifp->if_capabilities;
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