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) { 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); }
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 wr_ulp_mode = V_FW_OFLD_TX_DATA_WR_ULPMODE(toep->ulp_mode); txwr->lsodisable_to_proxy = htobe32(wr_ulp_mode | V_FW_OFLD_TX_DATA_WR_URGENT(0) | /* XXX */ V_FW_OFLD_TX_DATA_WR_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->port)) txwr->lsodisable_to_proxy |= htobe32(F_FW_OFLD_TX_DATA_WR_LSODISABLE); else txwr->lsodisable_to_proxy |= htobe32(F_FW_OFLD_TX_DATA_WR_ALIGNPLD | (tp->t_flags & TF_NODELAY ? 0 : F_FW_OFLD_TX_DATA_WR_ALIGNPLDSHOVE)); } }