int
sdp_xmit_poll(struct sdp_sock *ssk, int force)
{
int wc_processed = 0;
SDP_WLOCK_ASSERT(ssk);
sdp_prf(ssk->socket, NULL, "%s", __func__);
/* If we don't have a pending timer, set one up to catch our recent
post in case the interface becomes idle */
if (!callout_pending(&ssk->tx_ring.timer))
callout_reset(&ssk->tx_ring.timer, SDP_TX_POLL_TIMEOUT,
sdp_poll_tx_timeout, ssk);
/* Poll the CQ every SDP_TX_POLL_MODER packets */
if (force || (++ssk->tx_ring.poll_cnt & (SDP_TX_POLL_MODER - 1)) == 0)
wc_processed = sdp_process_tx_cq(ssk);
return wc_processed;
}
/* socket lock should be taken before calling this */
static int
sdp_process_rx_ctl_mb(struct sdp_sock *ssk, struct mbuf *mb)
{
struct sdp_bsdh *h;
struct socket *sk;
SDP_WLOCK_ASSERT(ssk);
sk = ssk->socket;
h = mtod(mb, struct sdp_bsdh *);
switch (h->mid) {
case SDP_MID_DATA:
case SDP_MID_SRCAVAIL:
sdp_dbg(sk, "DATA after socket rcv was shutdown\n");
/* got data in RCV_SHUTDOWN */
if (ssk->state == TCPS_FIN_WAIT_1) {
sdp_dbg(sk, "RX data when state = FIN_WAIT1\n");
sdp_notify(ssk, ECONNRESET);
}
m_freem(mb);
break;
#ifdef SDP_ZCOPY
case SDP_MID_RDMARDCOMPL:
m_freem(mb);
break;
case SDP_MID_SENDSM:
sdp_handle_sendsm(ssk, ntohl(h->mseq_ack));
m_freem(mb);
break;
case SDP_MID_SRCAVAIL_CANCEL:
sdp_dbg_data(sk, "Handling SrcAvailCancel\n");
sdp_prf(sk, NULL, "Handling SrcAvailCancel");
if (ssk->rx_sa) {
ssk->srcavail_cancel_mseq = ntohl(h->mseq);
ssk->rx_sa->flags |= RX_SA_ABORTED;
ssk->rx_sa = NULL; /* TODO: change it into SDP_MID_DATA and get
the dirty logic from recvmsg */
} else {
sdp_dbg(sk, "Got SrcAvailCancel - "
"but no SrcAvail in process\n");
}
m_freem(mb);
break;
case SDP_MID_SINKAVAIL:
sdp_dbg_data(sk, "Got SinkAvail - not supported: ignored\n");
sdp_prf(sk, NULL, "Got SinkAvail - not supported: ignored");
/* FALLTHROUGH */
#endif
case SDP_MID_ABORT:
sdp_dbg_data(sk, "Handling ABORT\n");
sdp_prf(sk, NULL, "Handling ABORT");
sdp_notify(ssk, ECONNRESET);
m_freem(mb);
break;
case SDP_MID_DISCONN:
sdp_dbg_data(sk, "Handling DISCONN\n");
sdp_prf(sk, NULL, "Handling DISCONN");
sdp_handle_disconn(ssk);
break;
case SDP_MID_CHRCVBUF:
sdp_dbg_data(sk, "Handling RX CHRCVBUF\n");
sdp_handle_resize_request(ssk, (struct sdp_chrecvbuf *)(h+1));
m_freem(mb);
break;
case SDP_MID_CHRCVBUF_ACK:
sdp_dbg_data(sk, "Handling RX CHRCVBUF_ACK\n");
sdp_handle_resize_ack(ssk, (struct sdp_chrecvbuf *)(h+1));
m_freem(mb);
break;
default:
/* TODO: Handle other messages */
sdp_warn(sk, "SDP: FIXME MID %d\n", h->mid);
m_freem(mb);
}
return 0;
}