1 /**************************************************************************
3 Copyright (c) 2007, Chelsio Inc.
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
12 2. Neither the name of the Chelsio Corporation nor the names of its
13 contributors may be used to endorse or promote products derived from
14 this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 POSSIBILITY OF SUCH DAMAGE.
31 ***************************************************************************/
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/ctype.h>
36 #include <sys/endian.h>
40 #include <sys/mutex.h>
44 #include <dev/mii/mii.h>
46 #ifndef _CXGB_OSDEP_H_
47 #define _CXGB_OSDEP_H_
49 typedef struct adapter adapter_t;
50 typedef struct port_info pinfo_t;
54 TP_TMR_RES = 200, /* TP timer resolution in usec */
55 MAX_NPORTS = 4, /* max # of ports */
56 TP_SRAM_OFFSET = 4096, /* TP SRAM content offset in eeprom */
57 TP_SRAM_LEN = 2112, /* TP SRAM content offset in eeprom */
66 #define PANIC_IF(exp) do { \
68 panic("BUG: %s", #exp); \
72 #if __FreeBSD_version < 800054
73 #if defined (__GNUC__)
74 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
75 #define mb() __asm__ __volatile__ ("mfence;": : :"memory")
76 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory")
77 #define rmb() __asm__ __volatile__ ("lfence;": : :"memory")
78 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9
79 #define mb() __asm__ __volatile__ ("membar #MemIssue": : :"memory")
82 #elif #cpu(sparc) || defined sparc || defined __sparc__
83 #define mb() __asm__ __volatile__ ("stbar;": : :"memory")
89 #define mb() /* XXX just to make this compile */
92 #error "unknown compiler"
97 * Workaround for weird Chelsio issue
99 #if __FreeBSD_version > 700029
100 #define PRIV_SUPPORTED
103 #define CXGB_TX_CLEANUP_THRESHOLD 32
105 #define TX_MAX_SIZE (1 << 16) /* 64KB */
106 #define TX_MAX_SEGS 36 /* maximum supported by card */
108 #define TX_MAX_DESC 4 /* max descriptors per packet */
111 #define TX_START_MAX_DESC (TX_MAX_DESC << 2) /* maximum number of descriptors
112 * call to start used per */
114 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors
115 * to clean per iteration */
116 #define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single
119 #define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be
120 * aggregated into a single TX WR
122 #if defined(__i386__) || defined(__amd64__)
125 void prefetch(void *x)
127 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
130 #define smp_mb() mb()
132 #define L1_CACHE_BYTES 128
133 #define WARN_ON(condition) do { \
134 if (__predict_false((condition)!=0)) { \
135 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
143 #define L1_CACHE_BYTES 32
146 #define DBG_RX (1 << 0)
147 static const int debug_flags = DBG_RX;
150 #define DBG(flag, msg) do { \
151 if ((flag & debug_flags)) \
158 #include <sys/syslog.h>
160 #define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC)
161 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI)
163 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
164 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
165 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
167 #define t3_os_sleep(x) DELAY((x) * 1000)
169 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit)))
171 #define max_t(type, a, b) (type)max((a), (b))
172 #define cpu_to_be32(x) htobe32(x)
174 /* Standard PHY definitions */
175 #define BMCR_LOOPBACK BMCR_LOOP
176 #define BMCR_ISOLATE BMCR_ISO
177 #define BMCR_ANENABLE BMCR_AUTOEN
178 #define BMCR_SPEED1000 BMCR_SPEED1
179 #define BMCR_SPEED100 BMCR_SPEED0
180 #define BMCR_ANRESTART BMCR_STARTNEG
181 #define BMCR_FULLDPLX BMCR_FDX
182 #define BMSR_LSTATUS BMSR_LINK
183 #define BMSR_ANEGCOMPLETE BMSR_ACOMP
185 #define MII_LPA MII_ANLPAR
186 #define MII_ADVERTISE MII_ANAR
187 #define MII_CTRL1000 MII_100T2CR
189 #define ADVERTISE_PAUSE_CAP ANAR_FC
190 #define ADVERTISE_PAUSE_ASYM 0x800
191 #define ADVERTISE_PAUSE ANAR_FC
192 #define ADVERTISE_1000HALF 0x100
193 #define ADVERTISE_1000FULL 0x200
194 #define ADVERTISE_10FULL ANAR_10_FD
195 #define ADVERTISE_10HALF ANAR_10
196 #define ADVERTISE_100FULL ANAR_TX_FD
197 #define ADVERTISE_100HALF ANAR_TX
200 #define ADVERTISE_1000XHALF ANAR_X_HD
201 #define ADVERTISE_1000XFULL ANAR_X_FD
202 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM
203 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM
205 #define ADVERTISE_CSMA ANAR_CSMA
206 #define ADVERTISE_NPAGE ANAR_NP
209 /* Standard PCI Extended Capabilities definitions */
210 #define PCI_CAP_ID_VPD PCIY_VPD
211 #define PCI_VPD_ADDR PCIR_VPD_ADDR
212 #define PCI_VPD_ADDR_F 0x8000
213 #define PCI_VPD_DATA PCIR_VPD_DATA
215 #define PCI_CAP_ID_EXP PCIY_EXPRESS
216 #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL
217 #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD
218 #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST
219 #define PCI_EXP_LNKCTL PCIER_LINK_CTL
220 #define PCI_EXP_LNKSTA PCIER_LINK_STA
223 * Linux compatibility macros
226 /* Some simple translations */
228 #define udelay(x) DELAY(x)
229 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
230 #define le32_to_cpu(x) le32toh(x)
231 #define le16_to_cpu(x) le16toh(x)
232 #define cpu_to_le32(x) htole32(x)
233 #define swab32(x) bswap32(x)
234 #ifndef simple_strtoul
235 #define simple_strtoul(...) strtoul(__VA_ARGS__)
239 #ifndef LINUX_TYPES_DEFINED
241 typedef uint16_t u16;
242 typedef uint32_t u32;
243 typedef uint64_t u64;
245 typedef uint8_t __u8;
246 typedef uint16_t __u16;
247 typedef uint32_t __u32;
248 typedef uint8_t __be8;
249 typedef uint16_t __be16;
250 typedef uint32_t __be32;
251 typedef uint64_t __be64;
255 #if BYTE_ORDER == BIG_ENDIAN
256 #define __BIG_ENDIAN_BITFIELD
257 #elif BYTE_ORDER == LITTLE_ENDIAN
258 #define __LITTLE_ENDIAN_BITFIELD
260 #error "Must set BYTE_ORDER"
263 /* Indicates what features are supported by the interface. */
264 #define SUPPORTED_10baseT_Half (1 << 0)
265 #define SUPPORTED_10baseT_Full (1 << 1)
266 #define SUPPORTED_100baseT_Half (1 << 2)
267 #define SUPPORTED_100baseT_Full (1 << 3)
268 #define SUPPORTED_1000baseT_Half (1 << 4)
269 #define SUPPORTED_1000baseT_Full (1 << 5)
270 #define SUPPORTED_Autoneg (1 << 6)
271 #define SUPPORTED_TP (1 << 7)
272 #define SUPPORTED_AUI (1 << 8)
273 #define SUPPORTED_MII (1 << 9)
274 #define SUPPORTED_FIBRE (1 << 10)
275 #define SUPPORTED_BNC (1 << 11)
276 #define SUPPORTED_10000baseT_Full (1 << 12)
277 #define SUPPORTED_Pause (1 << 13)
278 #define SUPPORTED_Asym_Pause (1 << 14)
280 /* Indicates what features are advertised by the interface. */
281 #define ADVERTISED_10baseT_Half (1 << 0)
282 #define ADVERTISED_10baseT_Full (1 << 1)
283 #define ADVERTISED_100baseT_Half (1 << 2)
284 #define ADVERTISED_100baseT_Full (1 << 3)
285 #define ADVERTISED_1000baseT_Half (1 << 4)
286 #define ADVERTISED_1000baseT_Full (1 << 5)
287 #define ADVERTISED_Autoneg (1 << 6)
288 #define ADVERTISED_TP (1 << 7)
289 #define ADVERTISED_AUI (1 << 8)
290 #define ADVERTISED_MII (1 << 9)
291 #define ADVERTISED_FIBRE (1 << 10)
292 #define ADVERTISED_BNC (1 << 11)
293 #define ADVERTISED_10000baseT_Full (1 << 12)
294 #define ADVERTISED_Pause (1 << 13)
295 #define ADVERTISED_Asym_Pause (1 << 14)
297 /* Enable or disable autonegotiation. If this is set to enable,
298 * the forced link modes above are completely ignored.
300 #define AUTONEG_DISABLE 0x00
301 #define AUTONEG_ENABLE 0x01
304 #define SPEED_100 100
305 #define SPEED_1000 1000
306 #define SPEED_10000 10000
307 #define DUPLEX_HALF 0
308 #define DUPLEX_FULL 1