1/* 2 * Linux OS Independent Layer 3 * 4 * Copyright (C) 2015, Broadcom Corporation. All Rights Reserved. 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 13 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 15 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 16 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 * 18 * $Id: linux_osl.h 532344 2015-02-05 19:21:37Z $ 19 */ 20 21#ifndef _linux_osl_h_ 22#define _linux_osl_h_ 23 24#include <typedefs.h> 25 26/* Linux Kernel: File Operations: start */ 27extern void * osl_os_open_image(char * filename); 28extern int osl_os_get_image_block(char * buf, int len, void * image); 29extern void osl_os_close_image(void * image); 30extern int osl_os_image_size(void *image); 31/* Linux Kernel: File Operations: end */ 32 33#ifdef BCMDRIVER 34 35/* OSL initialization */ 36extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag); 37extern void osl_detach(osl_t *osh); 38 39/* Global ASSERT type */ 40extern uint32 g_assert_type; 41 42/* ASSERT */ 43 #ifdef __GNUC__ 44 #define GCC_VERSION \ 45 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 46 #if GCC_VERSION > 30100 47 #define ASSERT(exp) do {} while (0) 48 #else 49 /* ASSERT could cause segmentation fault on GCC3.1, use empty instead */ 50 #define ASSERT(exp) 51 #endif /* GCC_VERSION > 30100 */ 52 #endif /* __GNUC__ */ 53 54/* microsecond delay */ 55#define OSL_DELAY(usec) osl_delay(usec) 56extern void osl_delay(uint usec); 57 58#define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \ 59 osl_pcmcia_read_attr((osh), (offset), (buf), (size)) 60#define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \ 61 osl_pcmcia_write_attr((osh), (offset), (buf), (size)) 62extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size); 63extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size); 64 65/* PCI configuration space access macros */ 66#define OSL_PCI_READ_CONFIG(osh, offset, size) \ 67 osl_pci_read_config((osh), (offset), (size)) 68#define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \ 69 osl_pci_write_config((osh), (offset), (size), (val)) 70extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size); 71extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val); 72 73/* PCI device bus # and slot # */ 74#define OSL_PCI_BUS(osh) osl_pci_bus(osh) 75#define OSL_PCI_SLOT(osh) osl_pci_slot(osh) 76#define OSL_PCIE_DOMAIN(osh) osl_pcie_domain(osh) 77#define OSL_PCIE_BUS(osh) osl_pcie_bus(osh) 78extern uint osl_pci_bus(osl_t *osh); 79extern uint osl_pci_slot(osl_t *osh); 80extern uint osl_pcie_domain(osl_t *osh); 81extern uint osl_pcie_bus(osl_t *osh); 82extern struct pci_dev *osl_pci_device(osl_t *osh); 83 84/* Pkttag flag should be part of public information */ 85typedef struct { 86 bool pkttag; 87 bool mmbus; /* Bus supports memory-mapped register accesses */ 88 pktfree_cb_fn_t tx_fn; /* Callback function for PKTFREE */ 89 void *tx_ctx; /* Context to the callback function */ 90#ifdef OSLREGOPS 91 osl_rreg_fn_t rreg_fn; /* Read Register function */ 92 osl_wreg_fn_t wreg_fn; /* Write Register function */ 93 void *reg_ctx; /* Context to the reg callback functions */ 94#else 95 void *unused[3]; 96#endif 97} osl_pubinfo_t; 98 99#define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \ 100 do { \ 101 ((osl_pubinfo_t*)osh)->tx_fn = _tx_fn; \ 102 ((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx; \ 103 } while (0) 104 105#ifdef OSLREGOPS 106#define REGOPSSET(osh, rreg, wreg, ctx) \ 107 do { \ 108 ((osl_pubinfo_t*)osh)->rreg_fn = rreg; \ 109 ((osl_pubinfo_t*)osh)->wreg_fn = wreg; \ 110 ((osl_pubinfo_t*)osh)->reg_ctx = ctx; \ 111 } while (0) 112#endif /* OSLREGOPS */ 113 114/* host/bus architecture-specific byte swap */ 115#define BUS_SWAP32(v) (v) 116 117 #define MALLOC(osh, size) osl_malloc((osh), (size)) 118 #define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size)) 119 #define MALLOCED(osh) osl_malloced((osh)) 120 extern void *osl_malloc(osl_t *osh, uint size); 121 extern void osl_mfree(osl_t *osh, void *addr, uint size); 122 extern uint osl_malloced(osl_t *osh); 123 124#define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC) 125#define NATIVE_MFREE(osh, addr, size) kfree(addr) 126#ifdef USBAP 127#include <linux/vmalloc.h> 128#define VMALLOC(osh, size) vmalloc(size) 129#define VFREE(osh, addr, size) vfree(addr) 130#endif /* USBAP */ 131 132#define MALLOC_FAILED(osh) osl_malloc_failed((osh)) 133extern uint osl_malloc_failed(osl_t *osh); 134 135/* allocate/free shared (dma-able) consistent memory */ 136#define DMA_CONSISTENT_ALIGN osl_dma_consistent_align() 137#define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \ 138 osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap)) 139#define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \ 140 osl_dma_free_consistent((osh), (void*)(va), (size), (pa)) 141 142#define DMA_ALLOC_CONSISTENT_FORCE32(osh, size, align, tot, pap, dmah) \ 143 osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap)) 144#define DMA_FREE_CONSISTENT_FORCE32(osh, va, size, pa, dmah) \ 145 osl_dma_free_consistent((osh), (void*)(va), (size), (pa)) 146 147extern uint osl_dma_consistent_align(void); 148extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, uint16 align, uint *tot, ulong *pap); 149extern void osl_sec_cma_baseaddr_memsize(osl_t *osh, dma_addr_t *cma_baseaddr, uint32 *cma_memsize); 150extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa); 151 152/* map/unmap direction */ 153#define DMA_TX 1 /* TX direction for DMA */ 154#define DMA_RX 2 /* RX direction for DMA */ 155 156/* map/unmap shared (dma-able) memory */ 157#define DMA_UNMAP(osh, pa, size, direction, p, dmah) \ 158 osl_dma_unmap((osh), (pa), (size), (direction)) 159#define SECURE_DMA_UNMAP(osh, pa, size, direction, p, dmah, pcma, offset) \ 160 osl_sec_dma_unmap((osh), (pa), (size), (direction), (p), (dmah), (pcma), (offset)) 161 162#define PHYS_TO_PAGE(pa) pfn_to_page(PFN_DOWN((u32)pa)) 163 164extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction, void *p, 165 hnddma_seg_map_t *txp_dmah); 166extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction); 167 168/* API for DMA addressing capability */ 169#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0) 170 171/* register access macros */ 172#if defined(BCMJTAG) 173 #include <bcmjtag.h> 174 #define OSL_WRITE_REG(osh, r, v) (bcmjtag_write(NULL, (uintptr)(r), (v), sizeof(*(r)))) 175 #define OSL_READ_REG(osh, r) (bcmjtag_read(NULL, (uintptr)(r), sizeof(*(r)))) 176#endif 177 178#if defined(BCMJTAG) 179 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \ 180 mmap_op else bus_op 181 #define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \ 182 mmap_op : bus_op 183#else 184 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op 185 #define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op 186#endif 187 188#define OSL_ERROR(bcmerror) osl_error(bcmerror) 189extern int osl_error(int bcmerror); 190 191/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */ 192#define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */ 193 194/* 195 * BINOSL selects the slightly slower function-call-based binary compatible osl. 196 * Macros expand to calls to functions defined in linux_osl.c . 197 */ 198#ifndef BINOSL 199#include <linuxver.h> /* use current 2.4.x calling conventions */ 200#include <linux/kernel.h> /* for vsn/printf's */ 201#include <linux/string.h> /* for mem*, str* */ 202 203#define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ)) 204#define printf(fmt, args...) printk(fmt , ## args) 205#include <linux/kernel.h> /* for vsn/printf's */ 206#include <linux/string.h> /* for mem*, str* */ 207/* bcopy's: Linux kernel doesn't provide these (anymore) */ 208#define bcopy(src, dst, len) memcpy((dst), (src), (len)) 209#define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) 210#define bzero(b, len) memset((b), '\0', (len)) 211 212/* register access macros */ 213#if defined(OSLREGOPS) 214#define R_REG(osh, r) (\ 215 sizeof(*(r)) == sizeof(uint8) ? osl_readb((osh), (volatile uint8*)(r)) : \ 216 sizeof(*(r)) == sizeof(uint16) ? osl_readw((osh), (volatile uint16*)(r)) : \ 217 osl_readl((osh), (volatile uint32*)(r)) \ 218) 219#define W_REG(osh, r, v) do { \ 220 switch (sizeof(*(r))) { \ 221 case sizeof(uint8): osl_writeb((osh), (volatile uint8*)(r), (uint8)(v)); break; \ 222 case sizeof(uint16): osl_writew((osh), (volatile uint16*)(r), (uint16)(v)); break; \ 223 case sizeof(uint32): osl_writel((osh), (volatile uint32*)(r), (uint32)(v)); break; \ 224 } \ 225} while (0) 226 227extern uint8 osl_readb(osl_t *osh, volatile uint8 *r); 228extern uint16 osl_readw(osl_t *osh, volatile uint16 *r); 229extern uint32 osl_readl(osl_t *osh, volatile uint32 *r); 230extern void osl_writeb(osl_t *osh, volatile uint8 *r, uint8 v); 231extern void osl_writew(osl_t *osh, volatile uint16 *r, uint16 v); 232extern void osl_writel(osl_t *osh, volatile uint32 *r, uint32 v); 233 234#else /* OSLREGOPS */ 235 236#ifndef IL_BIGENDIAN 237#ifndef __mips__ 238#define R_REG(osh, r) (\ 239 SELECT_BUS_READ(osh, \ 240 ({ \ 241 __typeof(*(r)) __osl_v; \ 242 BCM_REFERENCE(osh); \ 243 switch (sizeof(*(r))) { \ 244 case sizeof(uint8): __osl_v = \ 245 readb((volatile uint8*)(r)); break; \ 246 case sizeof(uint16): __osl_v = \ 247 readw((volatile uint16*)(r)); break; \ 248 case sizeof(uint32): __osl_v = \ 249 readl((volatile uint32*)(r)); break; \ 250 } \ 251 __osl_v; \ 252 }), \ 253 OSL_READ_REG(osh, r)) \ 254) 255#else /* __mips__ */ 256#define R_REG(osh, r) (\ 257 SELECT_BUS_READ(osh, \ 258 ({ \ 259 __typeof(*(r)) __osl_v; \ 260 BCM_REFERENCE(osh); \ 261 __asm__ __volatile__("sync"); \ 262 switch (sizeof(*(r))) { \ 263 case sizeof(uint8): __osl_v = \ 264 readb((volatile uint8*)(r)); break; \ 265 case sizeof(uint16): __osl_v = \ 266 readw((volatile uint16*)(r)); break; \ 267 case sizeof(uint32): __osl_v = \ 268 readl((volatile uint32*)(r)); break; \ 269 } \ 270 __asm__ __volatile__("sync"); \ 271 __osl_v; \ 272 }), \ 273 ({ \ 274 __typeof(*(r)) __osl_v; \ 275 __asm__ __volatile__("sync"); \ 276 __osl_v = OSL_READ_REG(osh, r); \ 277 __asm__ __volatile__("sync"); \ 278 __osl_v; \ 279 })) \ 280) 281#endif /* __mips__ */ 282 283#define W_REG(osh, r, v) do { \ 284 BCM_REFERENCE(osh); \ 285 SELECT_BUS_WRITE(osh, \ 286 switch (sizeof(*(r))) { \ 287 case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)(r)); break; \ 288 case sizeof(uint16): writew((uint16)(v), (volatile uint16*)(r)); break; \ 289 case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \ 290 }, \ 291 (OSL_WRITE_REG(osh, r, v))); \ 292 } while (0) 293#else /* IL_BIGENDIAN */ 294#define R_REG(osh, r) (\ 295 SELECT_BUS_READ(osh, \ 296 ({ \ 297 __typeof(*(r)) __osl_v; \ 298 BCM_REFERENCE(osh); \ 299 switch (sizeof(*(r))) { \ 300 case sizeof(uint8): __osl_v = \ 301 readb((volatile uint8*)((uintptr)(r)^3)); break; \ 302 case sizeof(uint16): __osl_v = \ 303 readw((volatile uint16*)((uintptr)(r)^2)); break; \ 304 case sizeof(uint32): __osl_v = \ 305 readl((volatile uint32*)(r)); break; \ 306 } \ 307 __osl_v; \ 308 }), \ 309 OSL_READ_REG(osh, r)) \ 310) 311#define W_REG(osh, r, v) do { \ 312 BCM_REFERENCE(osh); \ 313 SELECT_BUS_WRITE(osh, \ 314 switch (sizeof(*(r))) { \ 315 case sizeof(uint8): writeb((uint8)(v), \ 316 (volatile uint8*)((uintptr)(r)^3)); break; \ 317 case sizeof(uint16): writew((uint16)(v), \ 318 (volatile uint16*)((uintptr)(r)^2)); break; \ 319 case sizeof(uint32): writel((uint32)(v), \ 320 (volatile uint32*)(r)); break; \ 321 }, \ 322 (OSL_WRITE_REG(osh, r, v))); \ 323 } while (0) 324#endif /* IL_BIGENDIAN */ 325 326#endif /* OSLREGOPS */ 327 328#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v)) 329#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v)) 330 331/* bcopy, bcmp, and bzero functions */ 332#define bcopy(src, dst, len) memcpy((dst), (src), (len)) 333#define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) 334#define bzero(b, len) memset((b), '\0', (len)) 335 336/* uncached/cached virtual address */ 337#ifdef __mips__ 338#include <asm/addrspace.h> 339#define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va))) 340#define OSL_CACHED(va) ((void *)KSEG0ADDR((va))) 341#else 342#define OSL_UNCACHED(va) ((void *)va) 343#define OSL_CACHED(va) ((void *)va) 344 345/* ARM NorthStar */ 346#define OSL_CACHE_FLUSH(va, len) 347 348#endif /* mips */ 349 350#ifdef __mips__ 351#define OSL_PREF_RANGE_LD(va, sz) prefetch_range_PREF_LOAD_RETAINED(va, sz) 352#define OSL_PREF_RANGE_ST(va, sz) prefetch_range_PREF_STORE_RETAINED(va, sz) 353#else /* __mips__ */ 354#define OSL_PREF_RANGE_LD(va, sz) 355#define OSL_PREF_RANGE_ST(va, sz) 356#endif /* __mips__ */ 357 358/* get processor cycle count */ 359#if defined(mips) 360#define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2) 361#elif defined(__i386__) 362#define OSL_GETCYCLES(x) rdtscl((x)) 363#else 364#define OSL_GETCYCLES(x) ((x) = 0) 365#endif /* defined(mips) */ 366 367/* dereference an address that may cause a bus exception */ 368#ifdef mips 369#if defined(MODULE) && (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 17)) 370#define BUSPROBE(val, addr) panic("get_dbe() will not fixup a bus exception when compiled into"\ 371 " a module") 372#else 373#define BUSPROBE(val, addr) get_dbe((val), (addr)) 374#include <asm/paccess.h> 375#endif /* defined(MODULE) && (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 17)) */ 376#else 377#define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; }) 378#endif /* mips */ 379 380/* map/unmap physical to virtual I/O */ 381#if !defined(CONFIG_MMC_MSM7X00A) 382#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size)) 383#else 384#define REG_MAP(pa, size) (void *)(0) 385#endif /* !defined(CONFIG_MMC_MSM7X00A */ 386#define REG_UNMAP(va) iounmap((va)) 387 388/* shared (dma-able) memory access macros */ 389#define R_SM(r) *(r) 390#define W_SM(r, v) (*(r) = (v)) 391#define BZERO_SM(r, len) memset((r), '\0', (len)) 392 393/* Because the non BINOSL implemenation of the PKT OSL routines are macros (for 394 * performance reasons), we need the Linux headers. 395 */ 396#include <linuxver.h> /* use current 2.4.x calling conventions */ 397 398/* packet primitives */ 399#ifdef BCMDBG_CTRACE 400#define PKTGET(osh, len, send) osl_pktget((osh), (len), __LINE__, __FILE__) 401#define PKTDUP(osh, skb) osl_pktdup((osh), (skb), __LINE__, __FILE__) 402#else 403#define PKTGET(osh, len, send) osl_pktget((osh), (len)) 404#define PKTDUP(osh, skb) osl_pktdup((osh), (skb)) 405#endif /* BCMDBG_CTRACE */ 406#define PKTLIST_DUMP(osh, buf) 407#define PKTDBG_TRACE(osh, pkt, bit) 408#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send)) 409#ifdef DHD_USE_STATIC_BUF 410#define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len)) 411#define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send)) 412#endif /* DHD_USE_STATIC_BUF */ 413#define PKTDATA(osh, skb) (((struct sk_buff*)(skb))->data) 414#define PKTLEN(osh, skb) (((struct sk_buff*)(skb))->len) 415#define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head)) 416#define PKTEXPHEADROOM(osh, skb, b) skb_realloc_headroom((struct sk_buff*)(skb), (b)) 417#define PKTTAILROOM(osh, skb) skb_tailroom((struct sk_buff*)(skb)) 418#define PKTNEXT(osh, skb) (((struct sk_buff*)(skb))->next) 419#define PKTSETNEXT(osh, skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x)) 420#define PKTSETLEN(osh, skb, len) __skb_trim((struct sk_buff*)(skb), (len)) 421#define PKTPUSH(osh, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes)) 422#define PKTPULL(osh, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes)) 423#define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb)) 424#define PKTSETPOOL(osh, skb, x, y) do {} while (0) 425#define PKTPOOL(osh, skb) FALSE 426#define PKTSHRINK(osh, m) (m) 427 428#ifdef BCMDBG_CTRACE 429#define DEL_CTRACE(zosh, zskb) { \ 430 unsigned long zflags; \ 431 spin_lock_irqsave(&(zosh)->ctrace_lock, zflags); \ 432 list_del(&(zskb)->ctrace_list); \ 433 (zosh)->ctrace_num--; \ 434 (zskb)->ctrace_start = 0; \ 435 (zskb)->ctrace_count = 0; \ 436 spin_unlock_irqrestore(&(zosh)->ctrace_lock, zflags); \ 437} 438 439#define UPDATE_CTRACE(zskb, zfile, zline) { \ 440 struct sk_buff *_zskb = (struct sk_buff *)(zskb); \ 441 if (_zskb->ctrace_count < CTRACE_NUM) { \ 442 _zskb->func[_zskb->ctrace_count] = zfile; \ 443 _zskb->line[_zskb->ctrace_count] = zline; \ 444 _zskb->ctrace_count++; \ 445 } \ 446 else { \ 447 _zskb->func[_zskb->ctrace_start] = zfile; \ 448 _zskb->line[_zskb->ctrace_start] = zline; \ 449 _zskb->ctrace_start++; \ 450 if (_zskb->ctrace_start >= CTRACE_NUM) \ 451 _zskb->ctrace_start = 0; \ 452 } \ 453} 454 455#define ADD_CTRACE(zosh, zskb, zfile, zline) { \ 456 unsigned long zflags; \ 457 spin_lock_irqsave(&(zosh)->ctrace_lock, zflags); \ 458 list_add(&(zskb)->ctrace_list, &(zosh)->ctrace_list); \ 459 (zosh)->ctrace_num++; \ 460 UPDATE_CTRACE(zskb, zfile, zline); \ 461 spin_unlock_irqrestore(&(zosh)->ctrace_lock, zflags); \ 462} 463 464#define PKTCALLER(zskb) UPDATE_CTRACE((struct sk_buff *)zskb, (char *)__FUNCTION__, __LINE__) 465#endif /* BCMDBG_CTRACE */ 466 467#ifdef CTFPOOL 468#define CTFPOOL_REFILL_THRESH 3 469typedef struct ctfpool { 470 void *head; 471#if defined(CTF_PPTP) || defined(CTF_L2TP) 472 void *tail; 473#endif 474 spinlock_t lock; 475 uint max_obj; 476 uint curr_obj; 477 uint obj_size; 478 uint refills; 479 uint fast_allocs; 480 uint fast_frees; 481 uint slow_allocs; 482} ctfpool_t; 483#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) 484 485#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 486#define FASTBUF (1 << 0) 487#define CTFBUF (1 << 1) 488#define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) |= FASTBUF) 489#define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) &= (~FASTBUF)) 490#define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) |= CTFBUF) 491#define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) &= (~CTFBUF)) 492#define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) & FASTBUF) 493#define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) & CTFBUF) 494#define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->pktc_flags) 495#else 496#define FASTBUF (1 << 16) 497#define CTFBUF (1 << 17) 498#define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= FASTBUF) 499#define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~FASTBUF)) 500#define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= CTFBUF) 501#define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~CTFBUF)) 502#define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & FASTBUF) 503#define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & CTFBUF) 504#define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->mac_len) 505#endif /* 2.6.36 */ 506#else 507#define FASTBUF (1 << 0) 508#define CTFBUF (1 << 1) 509#define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= FASTBUF) 510#define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~FASTBUF)) 511#define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= CTFBUF) 512#define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~CTFBUF)) 513#define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) & FASTBUF) 514#define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) & CTFBUF) 515#define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->__unused) 516#endif /* 2.6.22 */ 517 518#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 519#define CTFPOOLPTR(osh, skb) (((struct sk_buff*)(skb))->ctfpool) 520#define CTFPOOLHEAD(osh, skb) (((ctfpool_t *)((struct sk_buff*)(skb))->ctfpool)->head) 521#else 522#define CTFPOOLPTR(osh, skb) (((struct sk_buff*)(skb))->sk) 523#define CTFPOOLHEAD(osh, skb) (((ctfpool_t *)((struct sk_buff*)(skb))->sk)->head) 524#endif 525 526extern void *osl_ctfpool_add(osl_t *osh); 527extern void osl_ctfpool_replenish(osl_t *osh, uint thresh); 528extern int32 osl_ctfpool_init(osl_t *osh, uint numobj, uint size); 529extern void osl_ctfpool_cleanup(osl_t *osh); 530extern void osl_ctfpool_stats(osl_t *osh, void *b); 531 532#if defined(CTF_PPTP) || defined(CTF_L2TP) 533extern void osl_ctfpool_direction(int tail); 534#endif 535#endif /* CTFPOOL */ 536 537#ifdef CTFMAP 538 539#if defined(__mips__) 540#define CACHE_LINE_SIZE 32 541#elif defined(__ARM_ARCH_7A__) 542#define CACHE_LINE_SIZE 32 543#else 544#error "CACHE_LINE_SIZE define needed!" 545#endif 546 547#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14) 548#define CTFMAPPTR(osh, skb) (((struct sk_buff*)(skb))->sp) 549#else /* 2.6.14 */ 550#define CTFMAPPTR(osh, skb) (((struct sk_buff*)(skb))->list) 551#endif /* 2.6.14 */ 552 553#define PKTCTFMAP(osh, p) \ 554do { \ 555 if (PKTISCTF(osh, p)) { \ 556 int32 sz; \ 557 sz = (uint32)(((struct sk_buff *)p)->end) - \ 558 (uint32)CTFMAPPTR(osh, p); \ 559 /* map the remaining unmapped area */ \ 560 if (sz > 0) { \ 561 sz = (sz + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1); \ 562 _DMA_MAP(osh, (void *)CTFMAPPTR(osh, p), \ 563 sz, DMA_RX, p, NULL); \ 564 } \ 565 /* clear ctf buf flag */ \ 566 PKTCLRCTF(osh, p); \ 567 CTFMAPPTR(osh, p) = NULL; \ 568 } \ 569} while (0) 570#endif /* CTFMAP */ 571 572#ifdef HNDCTF 573#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) 574 575#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 576#define SKIPCT (1 << 2) 577#define CHAINED (1 << 3) 578#define TOBR (1 << 5) /* Sync with other branch */ 579#define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->pktc_flags |= SKIPCT) 580#define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->pktc_flags &= (~SKIPCT)) 581#define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->pktc_flags & SKIPCT) 582#define PKTSETCHAINED(osh, skb) (((struct sk_buff*)(skb))->pktc_flags |= CHAINED) 583#define PKTCLRCHAINED(osh, skb) (((struct sk_buff*)(skb))->pktc_flags &= (~CHAINED)) 584#define PKTISCHAINED(skb) (((struct sk_buff*)(skb))->pktc_flags & CHAINED) 585#define PKTSETTOBR(osh, skb) (((struct sk_buff*)(skb))->pktc_flags |= TOBR) 586#define PKTCLRTOBR(osh, skb) (((struct sk_buff*)(skb))->pktc_flags &= (~TOBR)) 587#define PKTISTOBR(skb) (((struct sk_buff*)(skb))->pktc_flags & TOBR) 588#define PKTSETCTFIPCTXIF(skb, ifp) (((struct sk_buff*)(skb))->ctf_ipc_txif = ifp) 589#else 590#define SKIPCT (1 << 18) 591#define CHAINED (1 << 19) 592#define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len |= SKIPCT) 593#define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len &= (~SKIPCT)) 594#define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len & SKIPCT) 595#define PKTSETCHAINED(osh, skb) (((struct sk_buff*)(skb))->mac_len |= CHAINED) 596#define PKTCLRCHAINED(osh, skb) (((struct sk_buff*)(skb))->mac_len &= (~CHAINED)) 597#define PKTISCHAINED(skb) (((struct sk_buff*)(skb))->mac_len & CHAINED) 598#define PKTSETCTFIPCTXIF(skb, ifp) 599#define PKTSETTOBR(osh, skb) 600#define PKTCLRTOBR(osh, skb) 601#define PKTISTOBR(skb) FALSE 602#endif /* 2.6.36 */ 603#else /* 2.6.22 */ 604#define SKIPCT (1 << 2) 605#define CHAINED (1 << 3) 606#define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused |= SKIPCT) 607#define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused &= (~SKIPCT)) 608#define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused & SKIPCT) 609#define PKTSETCHAINED(osh, skb) (((struct sk_buff*)(skb))->__unused |= CHAINED) 610#define PKTCLRCHAINED(osh, skb) (((struct sk_buff*)(skb))->__unused &= (~CHAINED)) 611#define PKTISCHAINED(skb) (((struct sk_buff*)(skb))->__unused & CHAINED) 612#define PKTSETCTFIPCTXIF(skb, ifp) 613#define PKTSETTOBR(osh, skb) 614#define PKTCLRTOBR(osh, skb) 615#define PKTISTOBR(skb) FALSE 616#endif /* 2.6.22 */ 617typedef struct ctf_mark { 618 uint32 value; 619} ctf_mark_t; 620#define CTF_MARK(m) (m.value) 621#else /* HNDCTF */ 622#define PKTSETSKIPCT(osh, skb) 623#define PKTCLRSKIPCT(osh, skb) 624#define PKTSKIPCT(osh, skb) 625#define CTF_MARK(m) 0 626#endif /* HNDCTF */ 627 628#ifdef BCMFA 629#ifdef BCMFA_HW_HASH 630#define PKTSETFAHIDX(skb, idx) (((struct sk_buff*)(skb))->napt_idx = idx) 631#else 632#define PKTSETFAHIDX(skb, idx) 633#endif /* BCMFA_SW_HASH */ 634#define PKTGETFAHIDX(skb) (((struct sk_buff*)(skb))->napt_idx) 635#define PKTSETFADEV(skb, imp) (((struct sk_buff*)(skb))->dev = imp) 636#define PKTSETRXDEV(skb) (((struct sk_buff*)(skb))->rxdev = ((struct sk_buff*)(skb))->dev) 637 638#define AUX_TCP_FIN_RST (1 << 0) 639#define AUX_FREED (1 << 1) 640#define PKTSETFAAUX(skb) (((struct sk_buff*)(skb))->napt_flags |= AUX_TCP_FIN_RST) 641#define PKTCLRFAAUX(skb) (((struct sk_buff*)(skb))->napt_flags &= (~AUX_TCP_FIN_RST)) 642#define PKTISFAAUX(skb) (((struct sk_buff*)(skb))->napt_flags & AUX_TCP_FIN_RST) 643#define PKTSETFAFREED(skb) (((struct sk_buff*)(skb))->napt_flags |= AUX_FREED) 644#define PKTCLRFAFREED(skb) (((struct sk_buff*)(skb))->napt_flags &= (~AUX_FREED)) 645#define PKTISFAFREED(skb) (((struct sk_buff*)(skb))->napt_flags & AUX_FREED) 646#define PKTISFABRIDGED(skb) PKTISFAAUX(skb) 647#else 648#define PKTISFAAUX(skb) (FALSE) 649#define PKTISFABRIDGED(skb) (FALSE) 650#define PKTISFAFREED(skb) (FALSE) 651 652#define PKTCLRFAAUX(skb) 653#define PKTSETFAFREED(skb) 654#define PKTCLRFAFREED(skb) 655#endif /* BCMFA */ 656 657extern void osl_pktfree(osl_t *osh, void *skb, bool send); 658extern void *osl_pktget_static(osl_t *osh, uint len); 659extern void osl_pktfree_static(osl_t *osh, void *skb, bool send); 660 661#ifdef BCMDBG_CTRACE 662#define PKT_CTRACE_DUMP(osh, b) osl_ctrace_dump((osh), (b)) 663extern void *osl_pktget(osl_t *osh, uint len, int line, char *file); 664extern void *osl_pkt_frmnative(osl_t *osh, void *skb, int line, char *file); 665extern int osl_pkt_is_frmnative(osl_t *osh, struct sk_buff *pkt); 666extern void *osl_pktdup(osl_t *osh, void *skb, int line, char *file); 667struct bcmstrbuf; 668extern void osl_ctrace_dump(osl_t *osh, struct bcmstrbuf *b); 669#else 670extern void *osl_pkt_frmnative(osl_t *osh, void *skb); 671extern void *osl_pktget(osl_t *osh, uint len); 672extern void *osl_pktdup(osl_t *osh, void *skb); 673#endif /* BCMDBG_CTRACE */ 674extern struct sk_buff *osl_pkt_tonative(osl_t *osh, void *pkt); 675#ifdef BCMDBG_CTRACE 676#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_t *)osh), \ 677 (struct sk_buff*)(skb), __LINE__, __FILE__) 678#define PKTISFRMNATIVE(osh, skb) osl_pkt_is_frmnative((osl_t *)(osh), (struct sk_buff *)(skb)) 679#else 680#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_t *)osh), (struct sk_buff*)(skb)) 681#endif /* BCMDBG_CTRACE */ 682#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_t *)(osh), (pkt)) 683 684#define PKTLINK(skb) (((struct sk_buff*)(skb))->prev) 685#define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x)) 686#define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority) 687#define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x)) 688#define PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW) 689#define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \ 690 ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE)) 691/* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */ 692#define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned) 693 694#if defined(CTF_PPTP) || defined(CTF_L2TP) 695#define DEVMTU(dev) (((struct net_device*)(dev))->mtu) 696#define DEVIFINDEX(dev) (((struct net_device*)(dev))->ifindex) 697#endif 698 699#ifdef CONFIG_NF_CONNTRACK_MARK 700#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) 701#define PKTMARK(p) (((struct sk_buff *)(p))->mark) 702#define PKTSETMARK(p, m) ((struct sk_buff *)(p))->mark = (m) 703#else /* !2.6.0 */ 704#define PKTMARK(p) (((struct sk_buff *)(p))->nfmark) 705#define PKTSETMARK(p, m) ((struct sk_buff *)(p))->nfmark = (m) 706#endif /* 2.6.0 */ 707#else /* CONFIG_NF_CONNTRACK_MARK */ 708#define PKTMARK(p) 0 709#define PKTSETMARK(p, m) 710#endif /* CONFIG_NF_CONNTRACK_MARK */ 711 712#else /* BINOSL */ 713 714/* Where to get the declarations for mem, str, printf, bcopy's? Two basic approaches. 715 * 716 * First, use the Linux header files and the C standard library replacmenent versions 717 * built-in to the kernel. Use this approach when compiling non hybrid code or compling 718 * the OS port files. The second approach is to use our own defines/prototypes and 719 * functions we have provided in the Linux OSL, i.e. linux_osl.c. Use this approach when 720 * compiling the files that make up the hybrid binary. We are ensuring we 721 * don't directly link to the kernel replacement routines from the hybrid binary. 722 * 723 * NOTE: The issue we are trying to avoid is any questioning of whether the 724 * hybrid binary is derived from Linux. The wireless common code (wlc) is designed 725 * to be OS independent through the use of the OSL API and thus the hybrid binary doesn't 726 * derive from the Linux kernel at all. But since we defined our OSL API to include 727 * a small collection of standard C library routines and these routines are provided in 728 * the kernel we want to avoid even the appearance of deriving at all even though clearly 729 * usage of a C standard library API doesn't represent a derivation from Linux. Lastly 730 * note at the time of this checkin 4 references to memcpy/memset could not be eliminated 731 * from the binary because they are created internally by GCC as part of things like 732 * structure assignment. I don't think the compiler should be doing this but there is 733 * no options to disable it on Intel architectures (there is for MIPS so somebody must 734 * agree with me). I may be able to even remove these references eventually with 735 * a GNU binutil such as objcopy via a symbol rename (i.e. memcpy to osl_memcpy). 736 */ 737#if !defined(LINUX_HYBRID) || defined(LINUX_PORT) 738 #define printf(fmt, args...) printk(fmt , ## args) 739 #include <linux/kernel.h> /* for vsn/printf's */ 740 #include <linux/string.h> /* for mem*, str* */ 741 /* bcopy's: Linux kernel doesn't provide these (anymore) */ 742 #define bcopy(src, dst, len) memcpy((dst), (src), (len)) 743 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) 744 #define bzero(b, len) memset((b), '\0', (len)) 745 746 /* These are provided only because when compiling linux_osl.c there 747 * must be an explicit prototype (separate from the definition) because 748 * we are compiling with GCC option -Wstrict-prototypes. Conversely 749 * these could be placed directly in linux_osl.c. 750 */ 751 extern int osl_printf(const char *format, ...); 752 extern int osl_sprintf(char *buf, const char *format, ...); 753 extern int osl_snprintf(char *buf, size_t n, const char *format, ...); 754 extern int osl_vsprintf(char *buf, const char *format, va_list ap); 755 extern int osl_vsnprintf(char *buf, size_t n, const char *format, va_list ap); 756 extern int osl_strcmp(const char *s1, const char *s2); 757 extern int osl_strncmp(const char *s1, const char *s2, uint n); 758 extern int osl_strlen(const char *s); 759 extern char* osl_strcpy(char *d, const char *s); 760 extern char* osl_strncpy(char *d, const char *s, uint n); 761 extern char* osl_strchr(const char *s, int c); 762 extern char* osl_strrchr(const char *s, int c); 763 extern void *osl_memset(void *d, int c, size_t n); 764 extern void *osl_memcpy(void *d, const void *s, size_t n); 765 extern void *osl_memmove(void *d, const void *s, size_t n); 766 extern int osl_memcmp(const void *s1, const void *s2, size_t n); 767#else 768 769 /* In the below defines we undefine the macro first in case it is 770 * defined. This shouldn't happen because we are not using Linux 771 * header files but because our Linux 2.4 make includes modversions.h 772 * through a GCC -include compile option, they get defined to point 773 * at the appropriate versioned symbol name. Note this doesn't 774 * happen with our Linux 2.6 makes. 775 */ 776 777 /* *printf functions */ 778 #include <stdarg.h> /* va_list needed for v*printf */ 779 #include <stddef.h> /* size_t needed for *nprintf */ 780 #undef printf 781 #undef sprintf 782 #undef snprintf 783 #undef vsprintf 784 #undef vsnprintf 785 #define printf(fmt, args...) osl_printf((fmt) , ## args) 786 #define sprintf(buf, fmt, args...) osl_sprintf((buf), (fmt) , ## args) 787 #define snprintf(buf, n, fmt, args...) osl_snprintf((buf), (n), (fmt) , ## args) 788 #define vsprintf(buf, fmt, ap) osl_vsprintf((buf), (fmt), (ap)) 789 #define vsnprintf(buf, n, fmt, ap) osl_vsnprintf((buf), (n), (fmt), (ap)) 790 extern int osl_printf(const char *format, ...); 791 extern int osl_sprintf(char *buf, const char *format, ...); 792 extern int osl_snprintf(char *buf, size_t n, const char *format, ...); 793 extern int osl_vsprintf(char *buf, const char *format, va_list ap); 794 extern int osl_vsnprintf(char *buf, size_t n, const char *format, va_list ap); 795 796 /* str* functions */ 797 #undef strcmp 798 #undef strncmp 799 #undef strlen 800 #undef strcpy 801 #undef strncpy 802 #undef strchr 803 #undef strrchr 804 #define strcmp(s1, s2) osl_strcmp((s1), (s2)) 805 #define strncmp(s1, s2, n) osl_strncmp((s1), (s2), (n)) 806 #define strlen(s) osl_strlen((s)) 807 #define strcpy(d, s) osl_strcpy((d), (s)) 808 #define strncpy(d, s, n) osl_strncpy((d), (s), (n)) 809 #define strchr(s, c) osl_strchr((s), (c)) 810 #define strrchr(s, c) osl_strrchr((s), (c)) 811 extern int osl_strcmp(const char *s1, const char *s2); 812 extern int osl_strncmp(const char *s1, const char *s2, uint n); 813 extern int osl_strlen(const char *s); 814 extern char* osl_strcpy(char *d, const char *s); 815 extern char* osl_strncpy(char *d, const char *s, uint n); 816 extern char* osl_strchr(const char *s, int c); 817 extern char* osl_strrchr(const char *s, int c); 818 819 /* mem* functions */ 820 #undef memset 821 #undef memcpy 822 #undef memcmp 823 #define memset(d, c, n) osl_memset((d), (c), (n)) 824 #define memcpy(d, s, n) osl_memcpy((d), (s), (n)) 825 #define memmove(d, s, n) osl_memmove((d), (s), (n)) 826 #define memcmp(s1, s2, n) osl_memcmp((s1), (s2), (n)) 827 extern void *osl_memset(void *d, int c, size_t n); 828 extern void *osl_memcpy(void *d, const void *s, size_t n); 829 extern void *osl_memmove(void *d, const void *s, size_t n); 830 extern int osl_memcmp(const void *s1, const void *s2, size_t n); 831 832 /* bcopy, bcmp, and bzero functions */ 833 #undef bcopy 834 #undef bcmp 835 #undef bzero 836 #define bcopy(src, dst, len) osl_memcpy((dst), (src), (len)) 837 #define bcmp(b1, b2, len) osl_memcmp((b1), (b2), (len)) 838 #define bzero(b, len) osl_memset((b), '\0', (len)) 839#endif /* !defined(LINUX_HYBRID) || defined(LINUX_PORT) */ 840 841/* register access macros */ 842#if !defined(BCMJTAG) 843#define R_REG(osh, r) (\ 844 sizeof(*(r)) == sizeof(uint8) ? osl_readb((volatile uint8*)(r)) : \ 845 sizeof(*(r)) == sizeof(uint16) ? osl_readw((volatile uint16*)(r)) : \ 846 osl_readl((volatile uint32*)(r)) \ 847) 848#define W_REG(osh, r, v) do { \ 849 switch (sizeof(*(r))) { \ 850 case sizeof(uint8): osl_writeb((uint8)(v), (volatile uint8*)(r)); break; \ 851 case sizeof(uint16): osl_writew((uint16)(v), (volatile uint16*)(r)); break; \ 852 case sizeof(uint32): osl_writel((uint32)(v), (volatile uint32*)(r)); break; \ 853 } \ 854} while (0) 855 856/* else added by johnvb to make sdio and jtag work with BINOSL, at least compile ... UNTESTED */ 857#else 858#define R_REG(osh, r) OSL_READ_REG(osh, r) 859#define W_REG(osh, r, v) do { OSL_WRITE_REG(osh, r, v); } while (0) 860#endif 861 862#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v)) 863#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v)) 864extern uint8 osl_readb(volatile uint8 *r); 865extern uint16 osl_readw(volatile uint16 *r); 866extern uint32 osl_readl(volatile uint32 *r); 867extern void osl_writeb(uint8 v, volatile uint8 *r); 868extern void osl_writew(uint16 v, volatile uint16 *r); 869extern void osl_writel(uint32 v, volatile uint32 *r); 870 871/* system up time in ms */ 872#define OSL_SYSUPTIME() osl_sysuptime() 873extern uint32 osl_sysuptime(void); 874 875/* uncached/cached virtual address */ 876#define OSL_UNCACHED(va) osl_uncached((va)) 877extern void *osl_uncached(void *va); 878#define OSL_CACHED(va) osl_cached((va)) 879extern void *osl_cached(void *va); 880 881#define OSL_PREF_RANGE_LD(va, sz) 882#define OSL_PREF_RANGE_ST(va, sz) 883 884/* get processor cycle count */ 885#define OSL_GETCYCLES(x) ((x) = osl_getcycles()) 886extern uint osl_getcycles(void); 887 888/* dereference an address that may target abort */ 889#define BUSPROBE(val, addr) osl_busprobe(&(val), (addr)) 890extern int osl_busprobe(uint32 *val, uint32 addr); 891 892/* map/unmap physical to virtual */ 893#define REG_MAP(pa, size) osl_reg_map((pa), (size)) 894#define REG_UNMAP(va) osl_reg_unmap((va)) 895extern void *osl_reg_map(uint32 pa, uint size); 896extern void osl_reg_unmap(void *va); 897 898/* shared (dma-able) memory access macros */ 899#define R_SM(r) *(r) 900#define W_SM(r, v) (*(r) = (v)) 901#define BZERO_SM(r, len) bzero((r), (len)) 902 903/* packet primitives */ 904#ifdef BCMDBG_CTRACE 905#define PKTGET(osh, len, send) osl_pktget((osh), (len), __LINE__, __FILE__) 906#define PKTDUP(osh, skb) osl_pktdup((osh), (skb), __LINE__, __FILE__) 907#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative((osh), (skb), __LINE__, __FILE__) 908#else 909#define PKTGET(osh, len, send) osl_pktget((osh), (len)) 910#define PKTDUP(osh, skb) osl_pktdup((osh), (skb)) 911#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative((osh), (skb)) 912#endif /* BCMDBG_CTRACE */ 913#define PKTLIST_DUMP(osh, buf) 914#define PKTDBG_TRACE(osh, pkt, bit) 915#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send)) 916#define PKTDATA(osh, skb) osl_pktdata((osh), (skb)) 917#define PKTLEN(osh, skb) osl_pktlen((osh), (skb)) 918#define PKTHEADROOM(osh, skb) osl_pktheadroom((osh), (skb)) 919#define PKTTAILROOM(osh, skb) osl_pkttailroom((osh), (skb)) 920#define PKTNEXT(osh, skb) osl_pktnext((osh), (skb)) 921#define PKTSETNEXT(osh, skb, x) osl_pktsetnext((skb), (x)) 922#define PKTSETLEN(osh, skb, len) osl_pktsetlen((osh), (skb), (len)) 923#define PKTPUSH(osh, skb, bytes) osl_pktpush((osh), (skb), (bytes)) 924#define PKTPULL(osh, skb, bytes) osl_pktpull((osh), (skb), (bytes)) 925#define PKTTAG(skb) osl_pkttag((skb)) 926#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osh), (pkt)) 927#define PKTLINK(skb) osl_pktlink((skb)) 928#define PKTSETLINK(skb, x) osl_pktsetlink((skb), (x)) 929#define PKTPRIO(skb) osl_pktprio((skb)) 930#define PKTSETPRIO(skb, x) osl_pktsetprio((skb), (x)) 931#define PKTSHARED(skb) osl_pktshared((skb)) 932#define PKTSETPOOL(osh, skb, x, y) do {} while (0) 933#define PKTPOOL(osh, skb) FALSE 934 935extern void *osl_pktget(osl_t *osh, uint len); 936extern void *osl_pktdup(osl_t *osh, void *skb); 937extern void *osl_pkt_frmnative(osl_t *osh, void *skb); 938extern void osl_pktfree(osl_t *osh, void *skb, bool send); 939extern uchar *osl_pktdata(osl_t *osh, void *skb); 940extern uint osl_pktlen(osl_t *osh, void *skb); 941extern uint osl_pktheadroom(osl_t *osh, void *skb); 942extern uint osl_pkttailroom(osl_t *osh, void *skb); 943extern void *osl_pktnext(osl_t *osh, void *skb); 944extern void osl_pktsetnext(void *skb, void *x); 945extern void osl_pktsetlen(osl_t *osh, void *skb, uint len); 946extern uchar *osl_pktpush(osl_t *osh, void *skb, int bytes); 947extern uchar *osl_pktpull(osl_t *osh, void *skb, int bytes); 948extern void *osl_pkttag(void *skb); 949extern void *osl_pktlink(void *skb); 950extern void osl_pktsetlink(void *skb, void *x); 951extern uint osl_pktprio(void *skb); 952extern void osl_pktsetprio(void *skb, uint x); 953extern struct sk_buff *osl_pkt_tonative(osl_t *osh, void *pkt); 954extern bool osl_pktshared(void *skb); 955 956 957#endif /* BINOSL */ 958 959#define PKTALLOCED(osh) osl_pktalloced(osh) 960extern uint osl_pktalloced(osl_t *osh); 961 962#ifdef CTFMAP 963#include <ctf/hndctf.h> 964#define CTFMAPSZ 320 965#define DMA_MAP(osh, va, size, direction, p, dmah) \ 966({ \ 967 typeof(size) sz = (size); \ 968 if (p && PKTISCTF((osh), (p))) { \ 969 sz = CTFMAPSZ; \ 970 CTFMAPPTR((osh), (p)) = (void *)(((uint8 *)(va)) + CTFMAPSZ); \ 971 } \ 972 osl_dma_map((osh), (va), sz, (direction), (p), (dmah)); \ 973}) 974#define SECURE_DMA_MAP(osh, va, size, direction, p, dmah, pcma, offset) \ 975 osl_sec_dma_map((osh), (va), (size), (direction), (p), (dmah), (pcma), (offset)) 976#define SECURE_DMA_DD_MAP(osh, va, size, direction, p, dmah) \ 977 osl_sec_dma_dd_map((osh), (va), (size), (direction), (p), (dmah)) 978 979#if defined(__mips__) 980#define _DMA_MAP(osh, va, size, direction, p, dmah) \ 981 dma_cache_inv((uint)(va), (size)) 982#elif defined(__ARM_ARCH_7A__) 983#include <asm/cacheflush.h> 984#define _DMA_MAP(osh, va, size, direction, p, dmah) \ 985 osl_dma_map((osh), (va), (size), (direction), (p), (dmah)) 986#else 987#define _DMA_MAP(osh, va, size, direction, p, dmah) 988#endif 989 990#else /* CTFMAP */ 991#define DMA_MAP(osh, va, size, direction, p, dmah) \ 992 osl_dma_map((osh), (va), (size), (direction), (p), (dmah)) 993#define SECURE_DMA_MAP(osh, va, size, direction, p, dmah, pcma, offset) \ 994 osl_sec_dma_map((osh), (va), (size), (direction), (p), (dmah), (pcma), (offset)) 995#define SECURE_DMA_DD_MAP(osh, va, size, direction, p, dmah) \ 996 osl_sec_dma_dd_map((osh), (va), (size), (direction), (p), (dmah)) 997#endif /* CTFMAP */ 998 999#ifdef PKTC 1000/* Use 8 bytes of skb tstamp field to store below info */ 1001struct chain_node { 1002 struct sk_buff *link; 1003 unsigned int flags:3, pkts:9, bytes:20; 1004}; 1005 1006#define CHAIN_NODE(skb) ((struct chain_node*)(((struct sk_buff*)skb)->pktc_cb)) 1007 1008#define PKTCSETATTR(s, f, p, b) ({CHAIN_NODE(s)->flags = (f); CHAIN_NODE(s)->pkts = (p); \ 1009 CHAIN_NODE(s)->bytes = (b);}) 1010#define PKTCCLRATTR(s) ({CHAIN_NODE(s)->flags = CHAIN_NODE(s)->pkts = \ 1011 CHAIN_NODE(s)->bytes = 0;}) 1012#define PKTCGETATTR(s) (CHAIN_NODE(s)->flags << 29 | CHAIN_NODE(s)->pkts << 20 | \ 1013 CHAIN_NODE(s)->bytes) 1014#define PKTCCNT(skb) (CHAIN_NODE(skb)->pkts) 1015#define PKTCLEN(skb) (CHAIN_NODE(skb)->bytes) 1016#define PKTCGETFLAGS(skb) (CHAIN_NODE(skb)->flags) 1017#define PKTCSETFLAGS(skb, f) (CHAIN_NODE(skb)->flags = (f)) 1018#define PKTCCLRFLAGS(skb) (CHAIN_NODE(skb)->flags = 0) 1019#define PKTCFLAGS(skb) (CHAIN_NODE(skb)->flags) 1020#define PKTCSETCNT(skb, c) (CHAIN_NODE(skb)->pkts = (c)) 1021#define PKTCINCRCNT(skb) (CHAIN_NODE(skb)->pkts++) 1022#define PKTCADDCNT(skb, c) (CHAIN_NODE(skb)->pkts += (c)) 1023#define PKTCSETLEN(skb, l) (CHAIN_NODE(skb)->bytes = (l)) 1024#define PKTCADDLEN(skb, l) (CHAIN_NODE(skb)->bytes += (l)) 1025#define PKTCSETFLAG(skb, fb) (CHAIN_NODE(skb)->flags |= (fb)) 1026#define PKTCCLRFLAG(skb, fb) (CHAIN_NODE(skb)->flags &= ~(fb)) 1027#define PKTCLINK(skb) (CHAIN_NODE(skb)->link) 1028#define PKTSETCLINK(skb, x) (CHAIN_NODE(skb)->link = (struct sk_buff*)(x)) 1029#define FOREACH_CHAINED_PKT(skb, nskb) \ 1030 for (; (skb) != NULL; (skb) = (nskb)) \ 1031 if ((nskb) = (PKTISCHAINED(skb) ? PKTCLINK(skb) : NULL), \ 1032 PKTSETCLINK((skb), NULL), 1) 1033#define PKTCFREE(osh, skb, send) \ 1034do { \ 1035 void *nskb; \ 1036 ASSERT((skb) != NULL); \ 1037 FOREACH_CHAINED_PKT((skb), nskb) { \ 1038 PKTCLRCHAINED((osh), (skb)); \ 1039 PKTCCLRFLAGS((skb)); \ 1040 PKTFREE((osh), (skb), (send)); \ 1041 } \ 1042} while (0) 1043#define PKTCENQTAIL(h, t, p) \ 1044do { \ 1045 if ((t) == NULL) { \ 1046 (h) = (t) = (p); \ 1047 } else { \ 1048 PKTSETCLINK((t), (p)); \ 1049 (t) = (p); \ 1050 } \ 1051} while (0) 1052#endif /* PKTC */ 1053 1054#else /* ! BCMDRIVER */ 1055 1056 1057/* ASSERT */ 1058 #define ASSERT(exp) do {} while (0) 1059 1060/* MALLOC and MFREE */ 1061#define MALLOC(o, l) malloc(l) 1062#define MFREE(o, p, l) free(p) 1063#include <stdlib.h> 1064 1065/* str* and mem* functions */ 1066#include <string.h> 1067 1068/* *printf functions */ 1069#include <stdio.h> 1070 1071/* bcopy, bcmp, and bzero */ 1072extern void bcopy(const void *src, void *dst, size_t len); 1073extern int bcmp(const void *b1, const void *b2, size_t len); 1074extern void bzero(void *b, size_t len); 1075#endif /* ! BCMDRIVER */ 1076 1077#ifdef BCM_SECURE_DMA 1078 1079#define CMA_BUFSIZE_4K 4096 1080#define CMA_BUFSIZE_2K 2048 1081#define CMA_BUFSIZE_512 512 1082 1083#define CMA_BUFNUM 2048 1084#define CMA_DMA_DESC_MEMBLOCK (0x80000) /* 512K bytes */ 1085#define CMA_DMA_DATA_MEMBLOCK (CMA_BUFSIZE_4K*CMA_BUFNUM) /* 2048 page size buffers */ 1086#define CMA_MEMBLOCK (CMA_DMA_DESC_MEMBLOCK + CMA_DMA_DATA_MEMBLOCK) 1087#if defined(__ARM_ARCH_7A__) 1088#define CONT_ARMREGION 0x02 /* Region CMA */ 1089#else 1090#define CONT_MIPREGION 0x00 /* To access the MIPs mem, Not yet... */ 1091#endif 1092 1093#define SEC_DMA_ALIGN (1<<16) 1094typedef struct sec_mem_elem { 1095 size_t size; 1096 int direction; 1097 phys_addr_t pa_cma; /* physical address */ 1098 void *va; /* virtual address of driver pkt */ 1099 dma_addr_t dma_handle; /* bus address assign by linux */ 1100 void *vac; /* virtual address of cma buffer */ 1101 struct sec_mem_elem *next; 1102} sec_mem_elem_t; 1103 1104typedef struct sec_cma_info { 1105 struct sec_mem_elem *sec_alloc_list; 1106 struct sec_mem_elem *sec_alloc_list_tail; 1107} sec_cma_info_t; 1108 1109extern void osl_sec_dma_setup_contig_mem(osl_t *osh, unsigned long memsize, int regn); 1110extern int osl_sec_dma_alloc_contig_mem(osl_t *osh, unsigned long memsize, int regn); 1111extern int osl_sec_dma_alloc_mips_contig_mem(osl_t *osh, unsigned long memsize, int regn); 1112extern void osl_sec_dma_init_elem_mem_block(osl_t *osh, size_t mbsize, int max, 1113 sec_mem_elem_t **list); 1114extern sec_mem_elem_t *osl_sec_dma_alloc_mem_elem(osl_t *osh, void *va, uint size, 1115 int direction, struct sec_cma_info *ptr_cma_info, uint offset); 1116extern void osl_sec_dma_free_mem_elem(osl_t *osh, sec_mem_elem_t *sec_mem_elem); 1117extern sec_mem_elem_t *osl_sec_dma_find_elem(osl_t *osh, struct sec_cma_info *ptr_cma_info, 1118 void *va); 1119extern sec_mem_elem_t *osl_sec_dma_find_rem_elem(osl_t *osh, struct sec_cma_info *ptr_cma_info, 1120 dma_addr_t dma_handle); 1121extern dma_addr_t osl_sec_dma_map(osl_t *osh, void *va, uint size, int direction, void *p, 1122 hnddma_seg_map_t *dmah, void *ptr_cma_info, uint offset); 1123extern dma_addr_t osl_sec_dma_dd_map(osl_t *osh, void *va, uint size, int direction, void *p, 1124 hnddma_seg_map_t *dmah); 1125extern void osl_sec_dma_unmap(osl_t *osh, dma_addr_t dma_handle, uint size, int direction, 1126 void *p, hnddma_seg_map_t *map, void *ptr_cma_info, uint offset); 1127extern void *osl_sec_dma_ioremap(osl_t *osh, struct page *page, size_t size, bool iscache, 1128 bool isdecr); 1129extern void osl_sec_dma_deinit_elem_mem_block(osl_t *osh, size_t mbsize, int max, 1130 void *sec_list_base); 1131extern void osl_sec_dma_free_contig_mem(osl_t *osh, u32 memsize, int regn); 1132extern void osl_sec_dma_iounmap(osl_t *osh, void *contig_base_va, size_t size); 1133extern void *osl_sec_dma_alloc_consistent(osl_t *osh, uint size, uint16 align_bits, ulong *pap); 1134 1135#endif /* BCM_SECURE_DMA */ 1136#endif /* _linux_osl_h_ */ 1137