static inline void write_tx_wr(void *dst, struct toepcb *toep, unsigned int immdlen, unsigned int plen, uint8_t credits, int more_to_come) { struct fw_ofld_tx_data_wr *txwr = dst; int shove = !more_to_come; int compl = 1; /* * We always request completion notifications from the firmware. The * only exception is when we know we'll get more data to send shortly * and that we'll have some tx credits remaining to transmit that data. */ if (more_to_come && toep->tx_credits - credits >= MIN_OFLD_TX_CREDITS) compl = 0; txwr->op_to_immdlen = htobe32(V_WR_OP(FW_OFLD_TX_DATA_WR) | V_FW_WR_COMPL(compl) | V_FW_WR_IMMDLEN(immdlen)); txwr->flowid_len16 = htobe32(V_FW_WR_FLOWID(toep->tid) | V_FW_WR_LEN16(credits)); txwr->tunnel_to_proxy = htobe32(V_FW_OFLD_TX_DATA_WR_ULPMODE(toep->ulp_mode) | V_FW_OFLD_TX_DATA_WR_URGENT(0) | /* XXX */ V_FW_OFLD_TX_DATA_WR_SHOVE(shove)); txwr->plen = htobe32(plen); }
static inline void write_tx_wr(void *dst, struct toepcb *toep, unsigned int immdlen, unsigned int plen, uint8_t credits, int shove, int ulp_submode, int txalign) { struct fw_ofld_tx_data_wr *txwr = dst; txwr->op_to_immdlen = htobe32(V_WR_OP(FW_OFLD_TX_DATA_WR) | V_FW_WR_IMMDLEN(immdlen)); txwr->flowid_len16 = htobe32(V_FW_WR_FLOWID(toep->tid) | V_FW_WR_LEN16(credits)); txwr->lsodisable_to_flags = htobe32(V_TX_ULP_MODE(toep->ulp_mode) | V_TX_ULP_SUBMODE(ulp_submode) | V_TX_URG(0) | V_TX_SHOVE(shove)); txwr->plen = htobe32(plen); if (txalign > 0) { struct tcpcb *tp = intotcpcb(toep->inp); if (plen < 2 * tp->t_maxseg || is_10G_port(toep->vi->pi)) txwr->lsodisable_to_flags |= htobe32(F_FW_OFLD_TX_DATA_WR_LSODISABLE); else txwr->lsodisable_to_flags |= htobe32(F_FW_OFLD_TX_DATA_WR_ALIGNPLD | (tp->t_flags & TF_NODELAY ? 0 : F_FW_OFLD_TX_DATA_WR_ALIGNPLDSHOVE)); } }
static inline void write_tx_wr(void *dst, struct toepcb *toep, unsigned int immdlen, unsigned int plen, uint8_t credits, int shove) { struct fw_ofld_tx_data_wr *txwr = dst; txwr->op_to_immdlen = htobe32(V_WR_OP(FW_OFLD_TX_DATA_WR) | V_FW_WR_IMMDLEN(immdlen)); txwr->flowid_len16 = htobe32(V_FW_WR_FLOWID(toep->tid) | V_FW_WR_LEN16(credits)); txwr->lsodisable_to_proxy = htobe32(V_FW_OFLD_TX_DATA_WR_ULPMODE(toep->ulp_mode) | V_FW_OFLD_TX_DATA_WR_URGENT(0) | /* XXX */ V_FW_OFLD_TX_DATA_WR_SHOVE(shove)); txwr->plen = htobe32(plen); }
static inline void write_tx_wr(void *dst, struct toepcb *toep, unsigned int immdlen, unsigned int plen, uint8_t credits, int shove, int ulp_mode, int txalign) { struct fw_ofld_tx_data_wr *txwr = dst; unsigned int wr_ulp_mode; txwr->op_to_immdlen = htobe32(V_WR_OP(FW_OFLD_TX_DATA_WR) | V_FW_WR_IMMDLEN(immdlen)); txwr->flowid_len16 = htobe32(V_FW_WR_FLOWID(toep->tid) | V_FW_WR_LEN16(credits)); /* for iscsi, the mode & submode setting is per-packet */ if (toep->ulp_mode == ULP_MODE_ISCSI) wr_ulp_mode = V_FW_OFLD_TX_DATA_WR_ULPMODE(ulp_mode >> 4) | V_FW_OFLD_TX_DATA_WR_ULPSUBMODE(ulp_mode & 3); else
/* * Close a connection by sending a CPL_CLOSE_CON_REQ message. */ static int close_conn(struct adapter *sc, struct toepcb *toep) { struct wrqe *wr; struct cpl_close_con_req *req; unsigned int tid = toep->tid; CTR3(KTR_CXGBE, "%s: tid %u%s", __func__, toep->tid, toep->flags & TPF_FIN_SENT ? ", IGNORED" : ""); if (toep->flags & TPF_FIN_SENT) return (0); KASSERT(toep->flags & TPF_FLOWC_WR_SENT, ("%s: flowc_wr not sent for tid %u.", __func__, tid)); wr = alloc_wrqe(sizeof(*req), toep->ofld_txq); if (wr == NULL) { /* XXX */ panic("%s: allocation failure.", __func__); } req = wrtod(wr); req->wr.wr_hi = htonl(V_FW_WR_OP(FW_TP_WR) | V_FW_WR_IMMDLEN(sizeof(*req) - sizeof(req->wr))); req->wr.wr_mid = htonl(V_FW_WR_LEN16(howmany(sizeof(*req), 16)) | V_FW_WR_FLOWID(tid)); req->wr.wr_lo = cpu_to_be64(0); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_CLOSE_CON_REQ, tid)); req->rsvd = 0; toep->flags |= TPF_FIN_SENT; toep->flags &= ~TPF_SEND_FIN; t4_l2t_send(sc, wr, toep->l2te); return (0); }