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Differential D26799 Diff 78465 head/sys/dev/cxgbe/tom/t4_cpl_io.c

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head/sys/dev/cxgbe/tom/t4_cpl_io.c

Show First 20 Lines • Show All 440 Lines • ▼ Show 20 Linest4_rcvd_locked(struct toedev *tod, struct tcpcb *tp)
struct sockbuf *sb = &so->so_rcv; struct sockbuf *sb = &so->so_rcv;
struct toepcb *toep = tp->t_toe; struct toepcb *toep = tp->t_toe;
int rx_credits; int rx_credits;
INP_WLOCK_ASSERT(inp); INP_WLOCK_ASSERT(inp);
SOCKBUF_LOCK_ASSERT(sb); SOCKBUF_LOCK_ASSERT(sb);
rx_credits = sbspace(sb) > tp->rcv_wnd ? sbspace(sb) - tp->rcv_wnd : 0; rx_credits = sbspace(sb) > tp->rcv_wnd ? sbspace(sb) - tp->rcv_wnd : 0;
if (ulp_mode(toep) == ULP_MODE_TLS) {
if (toep->tls.rcv_over >= rx_credits) {
toep->tls.rcv_over -= rx_credits;
rx_credits = 0;
} else {
rx_credits -= toep->tls.rcv_over;
toep->tls.rcv_over = 0;
}
}
if (rx_credits > 0 && if (rx_credits > 0 &&
(tp->rcv_wnd <= 32 * 1024 || rx_credits >= 64 * 1024 || (tp->rcv_wnd <= 32 * 1024 || rx_credits >= 64 * 1024 ||
(rx_credits >= 16 * 1024 && tp->rcv_wnd <= 128 * 1024) || (rx_credits >= 16 * 1024 && tp->rcv_wnd <= 128 * 1024) ||
sbused(sb) + tp->rcv_wnd < sb->sb_lowat)) { sbused(sb) + tp->rcv_wnd < sb->sb_lowat)) {
rx_credits = send_rx_credits(sc, toep, rx_credits); rx_credits = send_rx_credits(sc, toep, rx_credits);
tp->rcv_wnd += rx_credits; tp->rcv_wnd += rx_credits;
tp->rcv_adv += rx_credits; tp->rcv_adv += rx_credits;
} else if (toep->flags & TPF_FORCE_CREDITS) } else if (toep->flags & TPF_FORCE_CREDITS)
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