Differential D34921 Diff 105022 sys/dev/cxgbe/tom/t4_tom.c

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sys/dev/cxgbe/tom/t4_tom.c

Show First 20 Lines • Show All 1,371 Lines • ▼ Show 20 Lines	init_conn_params(struct vi_info vi , struct offload_settings s,
/*		/*
* Index in the PMTU table. This controls the MSS that we announce in		* Index in the PMTU table. This controls the MSS that we announce in
* our SYN initially, but after ESTABLISHED it controls the MSS that we		* our SYN initially, but after ESTABLISHED it controls the MSS that we
* use to send data.		* use to send data.
*/		*/
cp->mtu_idx = find_best_mtu_idx(sc, inc, s);		cp->mtu_idx = find_best_mtu_idx(sc, inc, s);

/* Tx queue for this connection. */		/* Tx queue for this connection. */
if (s->txq >= 0 && s->txq < vi->nofldtxq)		if (s->txq == QUEUE_RANDOM)
cp->txq_idx = s->txq;		cp->txq_idx = arc4random();
		else if (s->txq == QUEUE_ROUNDROBIN)
		cp->txq_idx = atomic_fetchadd_int(&vi->txq_rr, 1);
else		else
cp->txq_idx = arc4random() % vi->nofldtxq;		cp->txq_idx = s->txq;
		cp->txq_idx %= vi->nofldtxq;
cp->txq_idx += vi->first_ofld_txq;		cp->txq_idx += vi->first_ofld_txq;

/* Rx queue for this connection. */		/* Rx queue for this connection. */
if (s->rxq >= 0 && s->rxq < vi->nofldrxq)		if (s->rxq == QUEUE_RANDOM)
cp->rxq_idx = s->rxq;		cp->rxq_idx = arc4random();
		else if (s->rxq == QUEUE_ROUNDROBIN)
		cp->rxq_idx = atomic_fetchadd_int(&vi->rxq_rr, 1);
else		else
cp->rxq_idx = arc4random() % vi->nofldrxq;		cp->rxq_idx = s->rxq;
		cp->rxq_idx %= vi->nofldrxq;
cp->rxq_idx += vi->first_ofld_rxq;		cp->rxq_idx += vi->first_ofld_rxq;

if (SOLISTENING(so)) {		if (SOLISTENING(so)) {
/* Passive open */		/* Passive open */
MPASS(tcpopt != NULL);		MPASS(tcpopt != NULL);

/* TCP timestamp option */		/* TCP timestamp option */
if (tcpopt->tstamp &&		if (tcpopt->tstamp &&
▲ Show 20 Lines • Show All 343 Lines • ▼ Show 20 Lines	static const struct offload_settings allow_offloading_settings = {
.cong_algo = -1,		.cong_algo = -1,
.sched_class = -1,		.sched_class = -1,
.tstamp = -1,		.tstamp = -1,
.sack = -1,		.sack = -1,
.nagle = -1,		.nagle = -1,
.ecn = -1,		.ecn = -1,
.ddp = -1,		.ddp = -1,
.tls = -1,		.tls = -1,
.txq = -1,		.txq = QUEUE_RANDOM,
.rxq = -1,		.rxq = QUEUE_RANDOM,
.mss = -1,		.mss = -1,
};		};
static const struct offload_settings disallow_offloading_settings = {		static const struct offload_settings disallow_offloading_settings = {
.offload = 0,		.offload = 0,
/* rest is irrelevant when offload is off. */		/* rest is irrelevant when offload is off. */
};		};

rw_assert(&sc->policy_lock, RA_LOCKED);		rw_assert(&sc->policy_lock, RA_LOCKED);
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