Merge r254386 from user/np/cxl_tuning. Add an INET|INET6 check missing
in said revision. r254386: Flush inactive LRO entries periodically.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=255015
@ -559,6 +559,7 @@ struct adapter {
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bus_dma_tag_t dmat; /* Parent DMA tag */
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struct sge sge;
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int lro_timeout;
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struct taskqueue *tq[NCHAN]; /* taskqueues that flush data out */
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struct port_info *port[MAX_NPORTS];
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@ -4229,6 +4229,10 @@ t4_sysctls(struct adapter *sc)
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t4_sge_sysctls(sc, ctx, children);
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sc->lro_timeout = 100;
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SYSCTL_ADD_INT(ctx, children, OID_AUTO, "lro_timeout", CTLFLAG_RW,
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&sc->lro_timeout, 0, "lro inactive-flush timeout (in us)");
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#ifdef SBUF_DRAIN
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/*
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* dev.t4nex.X.misc. Marked CTLFLAG_SKIP to avoid information overload.
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@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$");
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/time.h>
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#include <sys/sysctl.h>
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#include <sys/smp.h>
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#include <net/bpf.h>
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@ -1006,6 +1007,9 @@ service_iq(struct sge_iq *iq, int budget)
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uint32_t lq;
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struct mbuf *m0;
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STAILQ_HEAD(, sge_iq) iql = STAILQ_HEAD_INITIALIZER(iql);
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#if defined(INET) || defined(INET6)
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const struct timeval lro_timeout = {0, sc->lro_timeout};
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#endif
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limit = budget ? budget : iq->qsize / 8;
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@ -1111,6 +1115,14 @@ service_iq(struct sge_iq *iq, int budget)
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V_SEINTARM(V_QINTR_TIMER_IDX(X_TIMERREG_UPDATE_CIDX)));
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ndescs = 0;
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#if defined(INET) || defined(INET6)
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if (iq->flags & IQ_LRO_ENABLED &&
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sc->lro_timeout != 0) {
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tcp_lro_flush_inactive(&rxq->lro,
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&lro_timeout);
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}
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#endif
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if (fl_bufs_used > 0) {
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FL_LOCK(fl);
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fl->needed += fl_bufs_used;
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