/**
* Send CPL_SET_TCB_FIELD message
*/
static void set_tcb_field(struct adapter *adapter, unsigned int ftid,
u16 word, u64 mask, u64 val, int no_reply)
{
struct rte_mbuf *mbuf;
struct cpl_set_tcb_field *req;
struct sge_ctrl_txq *ctrlq;
ctrlq = &adapter->sge.ctrlq[0];
mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool);
WARN_ON(!mbuf);
mbuf->data_len = sizeof(*req);
mbuf->pkt_len = mbuf->data_len;
req = rte_pktmbuf_mtod(mbuf, struct cpl_set_tcb_field *);
memset(req, 0, sizeof(*req));
INIT_TP_WR_MIT_CPL(req, CPL_SET_TCB_FIELD, ftid);
req->reply_ctrl = cpu_to_be16(V_REPLY_CHAN(0) |
V_QUEUENO(adapter->sge.fw_evtq.abs_id) |
V_NO_REPLY(no_reply));
req->word_cookie = cpu_to_be16(V_WORD(word) | V_COOKIE(ftid));
req->mask = cpu_to_be64(mask);
req->val = cpu_to_be64(val);
t4_mgmt_tx(ctrlq, mbuf);
}
void
t4_set_tcb_field(struct adapter *sc, struct sge_wrq *wrq, int tid,
uint16_t word, uint64_t mask, uint64_t val, int reply, int cookie, int iqid)
{
struct wrqe *wr;
struct cpl_set_tcb_field *req;
MPASS((cookie & ~M_COOKIE) == 0);
MPASS((iqid & ~M_QUEUENO) == 0);
wr = alloc_wrqe(sizeof(*req), wrq);
if (wr == NULL) {
/* XXX */
panic("%s: allocation failure.", __func__);
}
req = wrtod(wr);
INIT_TP_WR_MIT_CPL(req, CPL_SET_TCB_FIELD, tid);
req->reply_ctrl = htobe16(V_QUEUENO(iqid));
if (reply == 0)
req->reply_ctrl |= htobe16(F_NO_REPLY);
req->word_cookie = htobe16(V_WORD(word) | V_COOKIE(cookie));
req->mask = htobe64(mask);
req->val = htobe64(val);
t4_wrq_tx(sc, wr);
}
void
send_reset(struct adapter *sc, struct toepcb *toep, uint32_t snd_nxt)
{
struct wrqe *wr;
struct cpl_abort_req *req;
int tid = toep->tid;
struct inpcb *inp = toep->inp;
struct tcpcb *tp = intotcpcb(inp); /* don't use if INP_DROPPED */
INP_WLOCK_ASSERT(inp);
CTR6(KTR_CXGBE, "%s: tid %d (%s), toep_flags 0x%x, inp_flags 0x%x%s",
__func__, toep->tid,
inp->inp_flags & INP_DROPPED ? "inp dropped" :
tcpstates[tp->t_state],
toep->flags, inp->inp_flags,
toep->flags & TPF_ABORT_SHUTDOWN ?
" (abort already in progress)" : "");
if (toep->flags & TPF_ABORT_SHUTDOWN)
return; /* abort already in progress */
toep->flags |= TPF_ABORT_SHUTDOWN;
KASSERT(toep->flags & TPF_FLOWC_WR_SENT,
("%s: flowc_wr not sent for tid %d.", __func__, tid));
wr = alloc_wrqe(sizeof(*req), toep->ofld_txq);
if (wr == NULL) {
/* XXX */
panic("%s: allocation failure.", __func__);
}
req = wrtod(wr);
INIT_TP_WR_MIT_CPL(req, CPL_ABORT_REQ, tid);
if (inp->inp_flags & INP_DROPPED)
req->rsvd0 = htobe32(snd_nxt);
else
req->rsvd0 = htobe32(tp->snd_nxt);
req->rsvd1 = !(toep->flags & TPF_TX_DATA_SENT);
req->cmd = CPL_ABORT_SEND_RST;
/*
* XXX: What's the correct way to tell that the inp hasn't been detached
* from its socket? Should I even be flushing the snd buffer here?
*/
if ((inp->inp_flags & (INP_DROPPED | INP_TIMEWAIT)) == 0) {
struct socket *so = inp->inp_socket;
if (so != NULL) /* because I'm not sure. See comment above */
sbflush(&so->so_snd);
}
t4_l2t_send(sc, wr, toep->l2te);
}
void
send_abort_rpl(struct adapter *sc, struct sge_wrq *ofld_txq, int tid,
int rst_status)
{
struct wrqe *wr;
struct cpl_abort_rpl *cpl;
wr = alloc_wrqe(sizeof(*cpl), ofld_txq);
if (wr == NULL) {
/* XXX */
panic("%s: allocation failure.", __func__);
}
cpl = wrtod(wr);
INIT_TP_WR_MIT_CPL(cpl, CPL_ABORT_RPL, tid);
cpl->cmd = rst_status;
t4_wrq_tx(sc, wr);
}
static int
send_rx_credits(struct adapter *sc, struct toepcb *toep, int credits)
{
struct wrqe *wr;
struct cpl_rx_data_ack *req;
uint32_t dack = F_RX_DACK_CHANGE | V_RX_DACK_MODE(1);
KASSERT(credits >= 0, ("%s: %d credits", __func__, credits));
wr = alloc_wrqe(sizeof(*req), toep->ctrlq);
if (wr == NULL)
return (0);
req = wrtod(wr);
INIT_TP_WR_MIT_CPL(req, CPL_RX_DATA_ACK, toep->tid);
req->credit_dack = htobe32(dack | V_RX_CREDITS(credits));
t4_wrq_tx(sc, wr);
return (credits);
}
void
t4_set_tcb_field(struct adapter *sc, struct toepcb *toep, uint16_t word,
uint64_t mask, uint64_t val)
{
struct wrqe *wr;
struct cpl_set_tcb_field *req;
wr = alloc_wrqe(sizeof(*req), toep->ctrlq);
if (wr == NULL) {
/* XXX */
panic("%s: allocation failure.", __func__);
}
req = wrtod(wr);
INIT_TP_WR_MIT_CPL(req, CPL_SET_TCB_FIELD, toep->tid);
req->reply_ctrl = htobe16(V_NO_REPLY(1) |
V_QUEUENO(toep->ofld_rxq->iq.abs_id));
req->word_cookie = htobe16(V_WORD(word) | V_COOKIE(0));
req->mask = htobe64(mask);
req->val = htobe64(val);
t4_wrq_tx(sc, wr);
}
