Differential D47761 Diff 147005 sys/dev/cxgbe/tom/t4_tls.c

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sys/dev/cxgbe/tom/t4_tls.c

Show First 20 Lines • Show All 490 Lines • ▼ Show 20 Lines	t4_push_ktls(struct adapter sc, struct toepcb toep, int drop)
struct wrqe *wr;		struct wrqe *wr;
struct mbuf *m;		struct mbuf *m;
u_int nsegs, credits, wr_len;		u_int nsegs, credits, wr_len;
u_int expn_size;		u_int expn_size;
struct inpcb *inp = toep->inp;		struct inpcb *inp = toep->inp;
struct tcpcb *tp = intotcpcb(inp);		struct tcpcb *tp = intotcpcb(inp);
struct socket *so = inp->inp_socket;		struct socket *so = inp->inp_socket;
struct sockbuf *sb = &so->so_snd;		struct sockbuf *sb = &so->so_snd;
		struct mbufq *pduq = &toep->ulp_pduq;
int tls_size, tx_credits, shove, sowwakeup;		int tls_size, tx_credits, shove, sowwakeup;
struct ofld_tx_sdesc *txsd;		struct ofld_tx_sdesc *txsd;
char *buf;		char *buf;

INP_WLOCK_ASSERT(inp);		INP_WLOCK_ASSERT(inp);
KASSERT(toep->flags & TPF_FLOWC_WR_SENT,		KASSERT(toep->flags & TPF_FLOWC_WR_SENT,
("%s: flowc_wr not sent for tid %u.", __func__, toep->tid));		("%s: flowc_wr not sent for tid %u.", __func__, toep->tid));

Show All 25 Lines	if (__predict_false(toep->flags & TPF_TX_SUSPENDED)) {
KASSERT(drop == 0,		KASSERT(drop == 0,
("%s: drop (%d) != 0 but tx is suspended", __func__, drop));		("%s: drop (%d) != 0 but tx is suspended", __func__, drop));
return;		return;
}		}

txsd = &toep->txsd[toep->txsd_pidx];		txsd = &toep->txsd[toep->txsd_pidx];
for (;;) {		for (;;) {
tx_credits = min(toep->tx_credits, MAX_OFLD_TX_CREDITS);		tx_credits = min(toep->tx_credits, MAX_OFLD_TX_CREDITS);

		if (__predict_false((m = mbufq_first(pduq)) != NULL)) {
		if (!t4_push_raw_wr(sc, toep, m)) {
		toep->flags \|= TPF_TX_SUSPENDED;
		return;
		}

		(void)mbufq_dequeue(pduq);

		txsd = &toep->txsd[toep->txsd_pidx];
		continue;
		}

SOCKBUF_LOCK(sb);		SOCKBUF_LOCK(sb);
sowwakeup = drop;		sowwakeup = drop;
if (drop) {		if (drop) {
sbdrop_locked(sb, drop);		sbdrop_locked(sb, drop);
drop = 0;		drop = 0;
}		}

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