Lines Matching defs:desc
89 static inline u16 next_desc(port_t *port, u16 desc, int transmit)
91 return (desc + 1) % (transmit ? port_to_card(port)->tx_ring_buffers
96 static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)
101 desc %= (transmit ? tx_buffs : rx_buffs); // called with "X + 1" etc.
103 transmit * rx_buffs + desc;
107 static inline u16 desc_offset(port_t *port, u16 desc, int transmit)
110 return desc_abs_number(port, desc, transmit) * sizeof(pkt_desc);
114 static inline pkt_desc __iomem *desc_address(port_t *port, u16 desc,
119 + desc_offset(port, desc, transmit));
122 + desc_offset(port, desc, transmit));
127 static inline u32 buffer_offset(port_t *port, u16 desc, int transmit)
130 desc_abs_number(port, desc, transmit) * (u32)HDLC_MAX_MRU;
171 pkt_desc __iomem *desc = desc_address(port, i, transmit);
175 writew(chain_off, &desc->cp);
176 writel(buff_off, &desc->bp);
177 writew(0, &desc->len);
178 writeb(0, &desc->stat);
188 /* current desc addr */
245 static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,
255 len = readw(&desc->len);
309 pkt_desc __iomem *desc;
315 desc = desc_address(port, port->rxin, 0);
316 stat = readb(&desc->stat);
331 sca_rx(card, port, desc, port->rxin);
360 pkt_desc __iomem *desc;
367 desc = desc_address(port, port->txlast, 1);
369 dev->stats.tx_bytes += readw(&desc->len);
370 writeb(0, &desc->stat); /* Free descriptor */
626 pkt_desc __iomem *desc;
633 desc = desc_address(port, port->txin + 1, 1);
634 BUG_ON(readb(&desc->stat)); /* previous xmit should stop queue */
641 desc = desc_address(port, port->txin, 1);
659 writew(len, &desc->len);
660 writeb(ST_TX_EOM, &desc->stat);
668 desc = desc_address(port, port->txin + 1, 1);
669 if (readb(&desc->stat)) /* allow 1 packet gap */