svn commit: r185286 - head/sys/dev/fxp
Pyun YongHyeon
yongari at FreeBSD.org
Mon Nov 24 20:33:02 PST 2008
Author: yongari
Date: Tue Nov 25 04:33:02 2008
New Revision: 185286
URL: http://svn.freebsd.org/changeset/base/185286
Log:
Simplify Tx checksum offload configuration. Also clear CSUM_IP if
we've computed IP checksum with software method.
Modified:
head/sys/dev/fxp/if_fxp.c
Modified: head/sys/dev/fxp/if_fxp.c
==============================================================================
--- head/sys/dev/fxp/if_fxp.c Tue Nov 25 04:16:16 2008 (r185285)
+++ head/sys/dev/fxp/if_fxp.c Tue Nov 25 04:33:02 2008 (r185286)
@@ -1295,14 +1295,10 @@ fxp_encap(struct fxp_softc *sc, struct m
* in the TCP header. The stack should have
* already done this for us.
*/
- if (m->m_pkthdr.csum_flags) {
- if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
- txp->tx_cb->ipcb_ip_schedule =
- FXP_IPCB_TCPUDP_CHECKSUM_ENABLE;
- if (m->m_pkthdr.csum_flags & CSUM_TCP)
- txp->tx_cb->ipcb_ip_schedule |=
- FXP_IPCB_TCP_PACKET;
- }
+ if (m->m_pkthdr.csum_flags & FXP_CSUM_FEATURES) {
+ txp->tx_cb->ipcb_ip_schedule = FXP_IPCB_TCPUDP_CHECKSUM_ENABLE;
+ if (m->m_pkthdr.csum_flags & CSUM_TCP)
+ txp->tx_cb->ipcb_ip_schedule |= FXP_IPCB_TCP_PACKET;
#ifdef FXP_IP_CSUM_WAR
/*
@@ -1334,6 +1330,7 @@ fxp_encap(struct fxp_softc *sc, struct m
ip = mtod(m, struct ip *);
ip->ip_sum = in_cksum(m, ip->ip_hl << 2);
m->m_data -= ETHER_HDR_LEN;
+ m->m_pkthdr.csum_flags &= ~CSUM_IP;
} else {
txp->tx_cb->ipcb_ip_activation_high =
FXP_IPCB_HARDWAREPARSING_ENABLE;
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