drivers/atm/nicstar.h

1 /* SPDX-License-Identifier: GPL-2.0 */
56 #define NUM_HB 8		/* Pre-allocated huge buffers */
107 #define NS_MAX_IOVECS (2 + (65568 - NS_SMBUFSIZE) / \
108                        (NS_LGBUFSIZE - (NS_LGBUFSIZE % 48)))
111 #define NS_SMBUFSIZE_USABLE (NS_SMBUFSIZE - NS_SMBUFSIZE % 48)
112 #define NS_LGBUFSIZE_USABLE (NS_LGBUFSIZE - NS_LGBUFSIZE % 48)
114 #define NS_AAL0_HEADER (ATM_AAL0_SDU - ATM_CELL_PAYLOAD)	/* 4 bytes */
122  * RSQ - Receive Status Queue
135         ((le32_to_cpu((ns_rsqep)->word_1) & 0x00FF0000) >> 16)
137         (le32_to_cpu((ns_rsqep)->word_1) & 0x0000FFFF)
151         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_VALID)
153         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_NZGFC)
155         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_EOPDU)
157         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_BUFSIZE)
159         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_CONGESTION)
161         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_CLP)
163         (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_CRCERR)
166         (le32_to_cpu((ns_rsqep)->word_4) & 0x000001FF)
168         ((ns_rsqep)->word_4 = cpu_to_le32(0x00000000))
174  * RCQ - Raw Cell Queue
194         (le32_to_cpu((ns_rcqep)->word_2) != 0x00000000)
196         (le32_to_cpu((ns_rcqep)->word_1))
198         (le32_to_cpu((ns_rcqep)->word_2))
201  * SCQ - Segmentation Channel Queue
250         (le32_to_cpu((ns_scqep)->word_1) & NS_SCQE_TYPE_TSR)
260  * TSQ - Transmit Status Queue
271       originated the TSI, or a timer overflow indicator. In this last
278         (le32_to_cpu((ns_tsip)->word_2) & NS_TSI_EMPTY)
280         (le32_to_cpu((ns_tsip)->word_2) & NS_TSI_TIMESTAMP_MASK)
283         ((ns_tsip)->word_2 = cpu_to_le32(NS_TSI_EMPTY))
292         (le32_to_cpu((ns_tsip)->word_1) == 0x00000000)
294         ((le32_to_cpu((ns_tsip)->word_1) & 0xFFFF0000) >> 16)
296         (le32_to_cpu((ns_tsip)->word_1) & 0x00007FFF)
301  * RCT - Receive Connection Table
339  * FBD - Free Buffer Descriptor
350  * TST - Transmit Schedule Table
360 #define NS_TST_OPCODE_FIXED    0x20000000	/* Cell from a fixed rate channel */
368       - When the opcode is FIXED, sramad specifies the SRAM address of the
369       SCD for that fixed rate channel.
370       - When the opcode is END, sramad specifies the SRAM address of the
375  * SCD - Segmentation Channel Descriptor
448 	VPM = 0x50		/* VPI/VCI Mask W */
459 	/* b19{1=open,0=close} b18-2{SRAM addr} */
462 	/* b18-2{SRAM addr} b1-0{burst size} */
465 	/* b18-2{SRAM addr} */
471 	/* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */
474 	/* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */
504 #define NS_CFG_TXURIE         0x00000008	/* Transmit Under-run Interrupt
569 #define NS_FRSCD_NUM ((NS_TST_FRSCD_END + 1 - NS_FRSCD) / NS_FRSCD_SIZE)
648         (((struct ns_skb_prv *)(ATM_SKB(skb)+1))->buf_type)
650         (((struct ns_skb_prv *)(ATM_SKB(skb)+1))->dma)
652         (((struct ns_skb_prv *)(ATM_SKB(skb)+1))->iovcnt)
724 	skb_pool hbpool;	/* Pre-allocated huge buffers */