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>
42 #include <dev/mii/mii.h>
44 #include <common/cxgb_version.h>
45 #include <cxgb_config.h>
47 #ifndef _CXGB_OSDEP_H_
48 #define _CXGB_OSDEP_H_
50 typedef struct adapter adapter_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 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif)
73 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri))
74 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl))
75 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header)
76 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len)
77 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag)
82 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a))
83 #define m_get_toep(m) ((m)->m_pkthdr.header)
84 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler))
86 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a))
87 #define m_get_socket(m) ((m)->m_pkthdr.header)
89 #define KTR_CXGB KTR_SPARE2
91 #define MT_DONTFREE 128
93 #if __FreeBSD_version > 700030
95 #define FIRMWARE_LATEST
98 #if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000))
99 #define FIRMWARE_LATEST
102 #if __FreeBSD_version > 700000
103 #define MSI_SUPPORTED
104 #define TSO_SUPPORTED
105 #define VLAN_SUPPORTED
106 #define TASKQUEUE_CURRENT
108 #define if_name(ifp) (ifp)->if_xname
109 #define M_SANITY(m, n)
112 #if __FreeBSD_version >= 701000
113 #define LRO_SUPPORTED
114 #define TOE_SUPPORTED
117 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
120 * Workaround for weird Chelsio issue
122 #if __FreeBSD_version > 700029
123 #define PRIV_SUPPORTED
126 #define CXGB_TX_CLEANUP_THRESHOLD 32
130 #define DPRINTF printf
135 #define TX_MAX_SIZE (1 << 16) /* 64KB */
136 #define TX_MAX_SEGS 36 /* maximum supported by card */
138 #define TX_MAX_DESC 4 /* max descriptors per packet */
141 #define TX_START_MIN_DESC (TX_MAX_DESC << 2)
142 #define TX_START_MAX_DESC (TX_MAX_DESC << 3) /* maximum number of descriptors
143 * call to start used per */
145 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors
146 * to clean per iteration */
147 #define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single
150 #define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be
151 * aggregated into a single TX WR
155 #if defined(__i386__) || defined(__amd64__)
156 #define mb() __asm volatile("mfence":::"memory")
157 #define rmb() __asm volatile("lfence":::"memory")
158 #define wmb() __asm volatile("sfence" ::: "memory")
159 #define smp_mb() mb()
161 #define L1_CACHE_BYTES 128
163 void prefetch(void *x)
165 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
168 extern void kdb_backtrace(void);
170 #define WARN_ON(condition) do { \
171 if (__predict_false((condition)!=0)) { \
172 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
178 #else /* !i386 && !amd64 */
184 #define L1_CACHE_BYTES 32
189 volatile uint32_t br_cons;
190 volatile uint32_t br_prod;
195 struct buf_ring *buf_ring_alloc(int count, int flags);
196 void buf_ring_free(struct buf_ring *);
199 buf_ring_count(struct buf_ring *mr)
201 int size = mr->br_size;
202 uint32_t mask = size - 1;
204 return ((size + mr->br_prod - mr->br_cons) & mask);
208 buf_ring_empty(struct buf_ring *mr)
210 return (mr->br_cons == mr->br_prod);
214 buf_ring_full(struct buf_ring *mr)
218 mask = mr->br_size - 1;
219 return (mr->br_cons == ((mr->br_prod + 1) & mask));
223 * The producer and consumer are independently locked
224 * this relies on the consumer providing his own serialization
227 static __inline void *
228 buf_ring_dequeue(struct buf_ring *mr)
230 uint32_t prod, cons, mask;
233 ring = (caddr_t *)mr->br_ring;
234 mask = mr->br_size - 1;
242 mr->br_cons = (cons + 1) & mask;
250 __buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
254 for (i = 0; i < mr->br_size; i++)
255 if (m == mr->br_ring[i])
256 panic("%s:%d m=%p present prod=%d cons=%d idx=%d", file,
257 line, m, mr->br_prod, mr->br_cons, i);
261 buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
263 mtx_lock(&mr->br_lock);
264 __buf_ring_scan(mr, m, file, line);
265 mtx_unlock(&mr->br_lock);
270 __buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
275 buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
281 __buf_ring_enqueue(struct buf_ring *mr, void *m, char *file, int line)
284 uint32_t prod, cons, mask;
287 mask = mr->br_size - 1;
291 __buf_ring_scan(mr, m, file, line);
292 if (((prod + 1) & mask) != cons) {
293 KASSERT(mr->br_ring[prod] == NULL, ("overwriting entry"));
294 mr->br_ring[prod] = m;
296 mr->br_prod = (prod + 1) & mask;
305 buf_ring_enqueue_(struct buf_ring *mr, void *m, char *file, int line)
309 mtx_lock(&mr->br_lock);
310 err = __buf_ring_enqueue(mr, m, file, line);
311 mtx_unlock(&mr->br_lock);
316 #define buf_ring_enqueue(mr, m) buf_ring_enqueue_((mr), (m), __FILE__, __LINE__)
319 static __inline void *
320 buf_ring_peek(struct buf_ring *mr)
322 int prod, cons, mask;
325 ring = (caddr_t *)mr->br_ring;
326 mask = mr->br_size - 1;
336 #define DBG_RX (1 << 0)
337 static const int debug_flags = DBG_RX;
340 #define DBG(flag, msg) do { \
341 if ((flag & debug_flags)) \
348 #include <sys/syslog.h>
350 #define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC)
351 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI)
353 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
354 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
355 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
357 #define t3_os_sleep(x) DELAY((x) * 1000)
359 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit)))
361 #define max_t(type, a, b) (type)max((a), (b))
362 #define net_device ifnet
363 #define cpu_to_be32 htobe32
365 /* Standard PHY definitions */
366 #define BMCR_LOOPBACK BMCR_LOOP
367 #define BMCR_ISOLATE BMCR_ISO
368 #define BMCR_ANENABLE BMCR_AUTOEN
369 #define BMCR_SPEED1000 BMCR_SPEED1
370 #define BMCR_SPEED100 BMCR_SPEED0
371 #define BMCR_ANRESTART BMCR_STARTNEG
372 #define BMCR_FULLDPLX BMCR_FDX
373 #define BMSR_LSTATUS BMSR_LINK
374 #define BMSR_ANEGCOMPLETE BMSR_ACOMP
376 #define MII_LPA MII_ANLPAR
377 #define MII_ADVERTISE MII_ANAR
378 #define MII_CTRL1000 MII_100T2CR
380 #define ADVERTISE_PAUSE_CAP ANAR_FC
381 #define ADVERTISE_PAUSE_ASYM ANAR_X_PAUSE_ASYM
382 #define ADVERTISE_PAUSE ANAR_X_PAUSE_SYM
383 #define ADVERTISE_1000HALF ANAR_X_HD
384 #define ADVERTISE_1000FULL ANAR_X_FD
385 #define ADVERTISE_10FULL ANAR_10_FD
386 #define ADVERTISE_10HALF ANAR_10
387 #define ADVERTISE_100FULL ANAR_TX_FD
388 #define ADVERTISE_100HALF ANAR_TX
391 #define ADVERTISE_1000XHALF ANAR_X_HD
392 #define ADVERTISE_1000XFULL ANAR_X_FD
393 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM
394 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM
396 #define ADVERTISE_CSMA ANAR_CSMA
397 #define ADVERTISE_NPAGE ANAR_NP
400 /* Standard PCI Extended Capaibilities definitions */
401 #define PCI_CAP_ID_VPD 0x03
402 #define PCI_VPD_ADDR 2
403 #define PCI_VPD_ADDR_F 0x8000
404 #define PCI_VPD_DATA 4
406 #define PCI_CAP_ID_EXP 0x10
407 #define PCI_EXP_DEVCTL 8
408 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
409 #define PCI_EXP_LNKCTL 16
410 #define PCI_EXP_LNKSTA 18
413 * Linux compatibility macros
416 /* Some simple translations */
418 #define udelay(x) DELAY(x)
419 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
420 #define le32_to_cpu(x) le32toh(x)
421 #define le16_to_cpu(x) le16toh(x)
422 #define cpu_to_le32(x) htole32(x)
423 #define swab32(x) bswap32(x)
424 #define simple_strtoul strtoul
427 #ifndef LINUX_TYPES_DEFINED
429 typedef uint16_t u16;
430 typedef uint32_t u32;
431 typedef uint64_t u64;
433 typedef uint8_t __u8;
434 typedef uint16_t __u16;
435 typedef uint32_t __u32;
436 typedef uint8_t __be8;
437 typedef uint16_t __be16;
438 typedef uint32_t __be32;
439 typedef uint64_t __be64;
443 #if BYTE_ORDER == BIG_ENDIAN
444 #define __BIG_ENDIAN_BITFIELD
445 #elif BYTE_ORDER == LITTLE_ENDIAN
446 #define __LITTLE_ENDIAN_BITFIELD
448 #error "Must set BYTE_ORDER"
451 /* Indicates what features are supported by the interface. */
452 #define SUPPORTED_10baseT_Half (1 << 0)
453 #define SUPPORTED_10baseT_Full (1 << 1)
454 #define SUPPORTED_100baseT_Half (1 << 2)
455 #define SUPPORTED_100baseT_Full (1 << 3)
456 #define SUPPORTED_1000baseT_Half (1 << 4)
457 #define SUPPORTED_1000baseT_Full (1 << 5)
458 #define SUPPORTED_Autoneg (1 << 6)
459 #define SUPPORTED_TP (1 << 7)
460 #define SUPPORTED_AUI (1 << 8)
461 #define SUPPORTED_MII (1 << 9)
462 #define SUPPORTED_FIBRE (1 << 10)
463 #define SUPPORTED_BNC (1 << 11)
464 #define SUPPORTED_10000baseT_Full (1 << 12)
465 #define SUPPORTED_Pause (1 << 13)
466 #define SUPPORTED_Asym_Pause (1 << 14)
468 /* Indicates what features are advertised by the interface. */
469 #define ADVERTISED_10baseT_Half (1 << 0)
470 #define ADVERTISED_10baseT_Full (1 << 1)
471 #define ADVERTISED_100baseT_Half (1 << 2)
472 #define ADVERTISED_100baseT_Full (1 << 3)
473 #define ADVERTISED_1000baseT_Half (1 << 4)
474 #define ADVERTISED_1000baseT_Full (1 << 5)
475 #define ADVERTISED_Autoneg (1 << 6)
476 #define ADVERTISED_TP (1 << 7)
477 #define ADVERTISED_AUI (1 << 8)
478 #define ADVERTISED_MII (1 << 9)
479 #define ADVERTISED_FIBRE (1 << 10)
480 #define ADVERTISED_BNC (1 << 11)
481 #define ADVERTISED_10000baseT_Full (1 << 12)
482 #define ADVERTISED_Pause (1 << 13)
483 #define ADVERTISED_Asym_Pause (1 << 14)
485 /* Enable or disable autonegotiation. If this is set to enable,
486 * the forced link modes above are completely ignored.
488 #define AUTONEG_DISABLE 0x00
489 #define AUTONEG_ENABLE 0x01
492 #define SPEED_100 100
493 #define SPEED_1000 1000
494 #define SPEED_10000 10000
495 #define DUPLEX_HALF 0
496 #define DUPLEX_FULL 1