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cxgb_sge.c (172101) cxgb_sge.c (174626)
1/**************************************************************************
2
3Copyright (c) 2007, Chelsio Inc.
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8

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23INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26POSSIBILITY OF SUCH DAMAGE.
27
28***************************************************************************/
29
30#include <sys/cdefs.h>
1/**************************************************************************
2
3Copyright (c) 2007, Chelsio Inc.
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8

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23INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26POSSIBILITY OF SUCH DAMAGE.
27
28***************************************************************************/
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/dev/cxgb/cxgb_sge.c 172101 2007-09-09 04:34:03Z kmacy $");
31__FBSDID("$FreeBSD: head/sys/dev/cxgb/cxgb_sge.c 174626 2007-12-15 21:54:59Z kmacy $");
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <sys/conf.h>
39#include <machine/bus.h>
40#include <machine/resource.h>
41#include <sys/bus_dma.h>
42#include <sys/rman.h>
43#include <sys/queue.h>
44#include <sys/sysctl.h>
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <sys/conf.h>
39#include <machine/bus.h>
40#include <machine/resource.h>
41#include <sys/bus_dma.h>
42#include <sys/rman.h>
43#include <sys/queue.h>
44#include <sys/sysctl.h>
45#include <sys/syslog.h>
45#include <sys/taskqueue.h>
46
47#include <sys/proc.h>
48#include <sys/sched.h>
49#include <sys/smp.h>
50#include <sys/systm.h>
51
52#include <netinet/in_systm.h>

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1983 * @tdev: the offload device to send to
1984 * @m: the packet
1985 *
1986 * Sends an offload packet. We use the packet priority to select the
1987 * appropriate Tx queue as follows: bit 0 indicates whether the packet
1988 * should be sent as regular or control, bits 1-3 select the queue set.
1989 */
1990int
46#include <sys/taskqueue.h>
47
48#include <sys/proc.h>
49#include <sys/sched.h>
50#include <sys/smp.h>
51#include <sys/systm.h>
52
53#include <netinet/in_systm.h>

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1984 * @tdev: the offload device to send to
1985 * @m: the packet
1986 *
1987 * Sends an offload packet. We use the packet priority to select the
1988 * appropriate Tx queue as follows: bit 0 indicates whether the packet
1989 * should be sent as regular or control, bits 1-3 select the queue set.
1990 */
1991int
1991t3_offload_tx(struct toedev *tdev, struct mbuf *m)
1992t3_offload_tx(struct t3cdev *tdev, struct mbuf *m)
1992{
1993 adapter_t *adap = tdev2adap(tdev);
1994 struct sge_qset *qs = &adap->sge.qs[queue_set(m)];
1995
1996 if (__predict_false(is_ctrl_pkt(m)))
1997 return ctrl_xmit(adap, &qs->txq[TXQ_CTRL], m);
1998
1999 return ofld_xmit(adap, &qs->txq[TXQ_OFLD], m);

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2004 * @tdev: the offload device that will be receiving the packets
2005 * @q: the SGE response queue that assembled the bundle
2006 * @m: the partial bundle
2007 * @n: the number of packets in the bundle
2008 *
2009 * Delivers a (partial) bundle of Rx offload packets to an offload device.
2010 */
2011static __inline void
1993{
1994 adapter_t *adap = tdev2adap(tdev);
1995 struct sge_qset *qs = &adap->sge.qs[queue_set(m)];
1996
1997 if (__predict_false(is_ctrl_pkt(m)))
1998 return ctrl_xmit(adap, &qs->txq[TXQ_CTRL], m);
1999
2000 return ofld_xmit(adap, &qs->txq[TXQ_OFLD], m);

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2005 * @tdev: the offload device that will be receiving the packets
2006 * @q: the SGE response queue that assembled the bundle
2007 * @m: the partial bundle
2008 * @n: the number of packets in the bundle
2009 *
2010 * Delivers a (partial) bundle of Rx offload packets to an offload device.
2011 */
2012static __inline void
2012deliver_partial_bundle(struct toedev *tdev,
2013deliver_partial_bundle(struct t3cdev *tdev,
2013 struct sge_rspq *q,
2014 struct mbuf *mbufs[], int n)
2015{
2016 if (n) {
2017 q->offload_bundles++;
2018 cxgb_ofld_recv(tdev, mbufs, n);
2019 }
2020}
2021
2022static __inline int
2014 struct sge_rspq *q,
2015 struct mbuf *mbufs[], int n)
2016{
2017 if (n) {
2018 q->offload_bundles++;
2019 cxgb_ofld_recv(tdev, mbufs, n);
2020 }
2021}
2022
2023static __inline int
2023rx_offload(struct toedev *tdev, struct sge_rspq *rq,
2024rx_offload(struct t3cdev *tdev, struct sge_rspq *rq,
2024 struct mbuf *m, struct mbuf *rx_gather[],
2025 unsigned int gather_idx)
2026{
2027 rq->offload_pkts++;
2028 m->m_pkthdr.header = mtod(m, void *);
2029
2030 rx_gather[gather_idx++] = m;
2031 if (gather_idx == RX_BUNDLE_SIZE) {

--- 854 unchanged lines hidden --- 		2025 struct mbuf *m, struct mbuf *rx_gather[],
2026 unsigned int gather_idx)
2027{
2028 rq->offload_pkts++;
2029 m->m_pkthdr.header = mtod(m, void *);
2030
2031 rx_gather[gather_idx++] = m;
2032 if (gather_idx == RX_BUNDLE_SIZE) {

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