1 /* 2 * Linux OS Independent Layer 3 * 4 * Copyright (C) 1999-2013, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: linux_osl.h 411126 2013-07-05 01:22:09Z $ 25 */ 26 27 #ifndef _linux_osl_h_ 28 #define _linux_osl_h_ 29 30 #include <typedefs.h> 31 32 /* Linux Kernel: File Operations: start */ 33 extern void * osl_os_open_image(char * filename); 34 extern int osl_os_get_image_block(char * buf, int len, void * image); 35 extern void osl_os_close_image(void * image); 36 extern int osl_os_image_size(void *image); 37 /* Linux Kernel: File Operations: end */ 38 39 #ifdef BCMDRIVER 40 41 /* OSL initialization */ 42 extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag); 43 extern void osl_detach(osl_t *osh); 44 45 /* Global ASSERT type */ 46 extern uint32 g_assert_type; 47 48 /* ASSERT */ 49 #if defined(BCMASSERT_LOG) 50 #define ASSERT(exp) \ 51 do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0) 52 extern void osl_assert(const char *exp, const char *file, int line); 53 #else 54 #ifdef __GNUC__ 55 #define GCC_VERSION \ 56 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 57 #if GCC_VERSION > 30100 58 #define ASSERT(exp) do {} while (0) 59 #else 60 /* ASSERT could cause segmentation fault on GCC3.1, use empty instead */ 61 #define ASSERT(exp) 62 #endif /* GCC_VERSION > 30100 */ 63 #endif /* __GNUC__ */ 64 #endif 65 66 /* microsecond delay */ 67 #define OSL_DELAY(usec) osl_delay(usec) 68 extern void osl_delay(uint usec); 69 70 #define OSL_SLEEP(ms) osl_sleep(ms) 71 extern void osl_sleep(uint ms); 72 73 #define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \ 74 osl_pcmcia_read_attr((osh), (offset), (buf), (size)) 75 #define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \ 76 osl_pcmcia_write_attr((osh), (offset), (buf), (size)) 77 extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size); 78 extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size); 79 80 /* PCI configuration space access macros */ 81 #define OSL_PCI_READ_CONFIG(osh, offset, size) \ 82 osl_pci_read_config((osh), (offset), (size)) 83 #define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \ 84 osl_pci_write_config((osh), (offset), (size), (val)) 85 extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size); 86 extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val); 87 88 /* PCI device bus # and slot # */ 89 #define OSL_PCI_BUS(osh) osl_pci_bus(osh) 90 #define OSL_PCI_SLOT(osh) osl_pci_slot(osh) 91 extern uint osl_pci_bus(osl_t *osh); 92 extern uint osl_pci_slot(osl_t *osh); 93 extern struct pci_dev *osl_pci_device(osl_t *osh); 94 95 /* Pkttag flag should be part of public information */ 96 typedef struct { 97 bool pkttag; 98 bool mmbus; /* Bus supports memory-mapped register accesses */ 99 pktfree_cb_fn_t tx_fn; /* Callback function for PKTFREE */ 100 void *tx_ctx; /* Context to the callback function */ 101 void *unused[3]; 102 } osl_pubinfo_t; 103 104 #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \ 105 do { \ 106 ((osl_pubinfo_t*)osh)->tx_fn = _tx_fn; \ 107 ((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx; \ 108 } while (0) 109 110 111 /* host/bus architecture-specific byte swap */ 112 #define BUS_SWAP32(v) (v) 113 114 #define MALLOC(osh, size) osl_malloc((osh), (size)) 115 #define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size)) 116 #define MALLOCED(osh) osl_malloced((osh)) 117 extern void *osl_malloc(osl_t *osh, uint size); 118 extern void osl_mfree(osl_t *osh, void *addr, uint size); 119 extern uint osl_malloced(osl_t *osh); 120 121 #define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC) 122 #define NATIVE_MFREE(osh, addr, size) kfree(addr) 123 124 #define MALLOC_FAILED(osh) osl_malloc_failed((osh)) 125 extern uint osl_malloc_failed(osl_t *osh); 126 127 /* allocate/free shared (dma-able) consistent memory */ 128 #define DMA_CONSISTENT_ALIGN osl_dma_consistent_align() 129 #define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \ 130 osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap)) 131 #define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \ 132 osl_dma_free_consistent((osh), (void*)(va), (size), (pa)) 133 extern uint osl_dma_consistent_align(void); 134 extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, uint16 align, uint *tot, ulong *pap); 135 extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa); 136 137 /* map/unmap direction */ 138 #define DMA_TX 1 /* TX direction for DMA */ 139 #define DMA_RX 2 /* RX direction for DMA */ 140 141 /* map/unmap shared (dma-able) memory */ 142 #define DMA_UNMAP(osh, pa, size, direction, p, dmah) \ 143 osl_dma_unmap((osh), (pa), (size), (direction)) 144 extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction, void *p, 145 hnddma_seg_map_t *txp_dmah); 146 extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction); 147 148 /* API for DMA addressing capability */ 149 #define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0) 150 151 /* register access macros */ 152 #include <bcmsdh.h> 153 #define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v))) 154 #define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r)))) 155 156 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \ 157 mmap_op else bus_op 158 #define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \ 159 mmap_op : bus_op 160 161 #define OSL_ERROR(bcmerror) osl_error(bcmerror) 162 extern int osl_error(int bcmerror); 163 164 /* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */ 165 #define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */ 166 167 /* 168 * BINOSL selects the slightly slower function-call-based binary compatible osl. 169 * Macros expand to calls to functions defined in linux_osl.c . 170 */ 171 #include <linuxver.h> /* use current 2.4.x calling conventions */ 172 #include <linux/kernel.h> /* for vsn/printf's */ 173 #include <linux/string.h> /* for mem*, str* */ 174 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 29) 175 #define OSL_SYSUPTIME() ((uint32)jiffies_to_msecs(jiffies)) 176 #else 177 #define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ)) 178 #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 29) */ 179 #define printf(fmt, args...) printk(fmt , ## args) 180 #include <linux/kernel.h> /* for vsn/printf's */ 181 #include <linux/string.h> /* for mem*, str* */ 182 /* bcopy's: Linux kernel doesn't provide these (anymore) */ 183 #define bcopy(src, dst, len) memcpy((dst), (src), (len)) 184 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) 185 #define bzero(b, len) memset((b), '\0', (len)) 186 187 /* register access macros */ 188 189 #define R_REG(osh, r) (\ 190 SELECT_BUS_READ(osh, \ 191 ({ \ 192 __typeof(*(r)) __osl_v; \ 193 BCM_REFERENCE(osh); \ 194 switch (sizeof(*(r))) { \ 195 case sizeof(uint8): __osl_v = \ 196 readb((volatile uint8*)(r)); break; \ 197 case sizeof(uint16): __osl_v = \ 198 readw((volatile uint16*)(r)); break; \ 199 case sizeof(uint32): __osl_v = \ 200 readl((volatile uint32*)(r)); break; \ 201 } \ 202 __osl_v; \ 203 }), \ 204 OSL_READ_REG(osh, r)) \ 205 ) 206 207 #define W_REG(osh, r, v) do { \ 208 BCM_REFERENCE(osh); \ 209 SELECT_BUS_WRITE(osh, \ 210 switch (sizeof(*(r))) { \ 211 case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)(r)); break; \ 212 case sizeof(uint16): writew((uint16)(v), (volatile uint16*)(r)); break; \ 213 case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \ 214 }, \ 215 (OSL_WRITE_REG(osh, r, v))); \ 216 } while (0) 217 218 #define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v)) 219 #define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v)) 220 221 /* bcopy, bcmp, and bzero functions */ 222 #define bcopy(src, dst, len) memcpy((dst), (src), (len)) 223 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) 224 #define bzero(b, len) memset((b), '\0', (len)) 225 226 /* uncached/cached virtual address */ 227 #define OSL_UNCACHED(va) ((void *)va) 228 #define OSL_CACHED(va) ((void *)va) 229 230 /* ARM NorthStar */ 231 #define OSL_CACHE_FLUSH(va, len) 232 233 #define OSL_PREF_RANGE_LD(va, sz) 234 #define OSL_PREF_RANGE_ST(va, sz) 235 236 /* get processor cycle count */ 237 #if defined(__i386__) 238 #define OSL_GETCYCLES(x) rdtscl((x)) 239 #else 240 #define OSL_GETCYCLES(x) ((x) = 0) 241 #endif 242 243 /* dereference an address that may cause a bus exception */ 244 #define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; }) 245 246 /* map/unmap physical to virtual I/O */ 247 #if !defined(CONFIG_MMC_MSM7X00A) 248 #define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size)) 249 #else 250 #define REG_MAP(pa, size) (void *)(0) 251 #endif /* !defined(CONFIG_MMC_MSM7X00A */ 252 #define REG_UNMAP(va) iounmap((va)) 253 254 /* shared (dma-able) memory access macros */ 255 #define R_SM(r) *(r) 256 #define W_SM(r, v) (*(r) = (v)) 257 #define BZERO_SM(r, len) memset((r), '\0', (len)) 258 259 /* Because the non BINOSL implemenation of the PKT OSL routines are macros (for 260 * performance reasons), we need the Linux headers. 261 */ 262 #include <linuxver.h> /* use current 2.4.x calling conventions */ 263 264 /* packet primitives */ 265 #ifdef BCMDBG_CTRACE 266 #define PKTGET(osh, len, send) osl_pktget((osh), (len), __LINE__, __FILE__) 267 #define PKTDUP(osh, skb) osl_pktdup((osh), (skb), __LINE__, __FILE__) 268 #else 269 #define PKTGET(osh, len, send) osl_pktget((osh), (len)) 270 #define PKTDUP(osh, skb) osl_pktdup((osh), (skb)) 271 #endif /* BCMDBG_CTRACE */ 272 #define PKTLIST_DUMP(osh, buf) 273 #define PKTDBG_TRACE(osh, pkt, bit) 274 #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send)) 275 #ifdef CONFIG_DHD_USE_STATIC_BUF 276 #define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len)) 277 #define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send)) 278 #else 279 #define PKTGET_STATIC PKTGET 280 #define PKTFREE_STATIC PKTFREE 281 #endif /* CONFIG_DHD_USE_STATIC_BUF */ 282 #define PKTDATA(osh, skb) (((struct sk_buff*)(skb))->data) 283 #define PKTLEN(osh, skb) (((struct sk_buff*)(skb))->len) 284 #define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head)) 285 #define PKTTAILROOM(osh, skb) skb_tailroom((struct sk_buff*)(skb)) 286 #define PKTPADTAILROOM(osh, skb, padlen) osh_pktpadtailroom((osh), (skb), (padlen)) 287 #define PKTNEXT(osh, skb) (((struct sk_buff*)(skb))->next) 288 #define PKTSETNEXT(osh, skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x)) 289 #define PKTSETLEN(osh, skb, len) __skb_trim((struct sk_buff*)(skb), (len)) 290 #define PKTPUSH(osh, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes)) 291 #define PKTPULL(osh, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes)) 292 #define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb)) 293 #define PKTSETPOOL(osh, skb, x, y) do {} while (0) 294 #define PKTPOOL(osh, skb) FALSE 295 #define PKTSHRINK(osh, m) (m) 296 297 #ifdef BCMDBG_CTRACE 298 #define DEL_CTRACE(zosh, zskb) { \ 299 unsigned long zflags; \ 300 spin_lock_irqsave(&(zosh)->ctrace_lock, zflags); \ 301 list_del(&(zskb)->ctrace_list); \ 302 (zosh)->ctrace_num--; \ 303 (zskb)->ctrace_start = 0; \ 304 (zskb)->ctrace_count = 0; \ 305 spin_unlock_irqrestore(&(zosh)->ctrace_lock, zflags); \ 306 } 307 308 #define UPDATE_CTRACE(zskb, zfile, zline) { \ 309 struct sk_buff *_zskb = (struct sk_buff *)(zskb); \ 310 if (_zskb->ctrace_count < CTRACE_NUM) { \ 311 _zskb->func[_zskb->ctrace_count] = zfile; \ 312 _zskb->line[_zskb->ctrace_count] = zline; \ 313 _zskb->ctrace_count++; \ 314 } \ 315 else { \ 316 _zskb->func[_zskb->ctrace_start] = zfile; \ 317 _zskb->line[_zskb->ctrace_start] = zline; \ 318 _zskb->ctrace_start++; \ 319 if (_zskb->ctrace_start >= CTRACE_NUM) \ 320 _zskb->ctrace_start = 0; \ 321 } \ 322 } 323 324 #define ADD_CTRACE(zosh, zskb, zfile, zline) { \ 325 unsigned long zflags; \ 326 spin_lock_irqsave(&(zosh)->ctrace_lock, zflags); \ 327 list_add(&(zskb)->ctrace_list, &(zosh)->ctrace_list); \ 328 (zosh)->ctrace_num++; \ 329 UPDATE_CTRACE(zskb, zfile, zline); \ 330 spin_unlock_irqrestore(&(zosh)->ctrace_lock, zflags); \ 331 } 332 333 #define PKTCALLER(zskb) UPDATE_CTRACE((struct sk_buff *)zskb, (char *)__FUNCTION__, __LINE__) 334 #endif /* BCMDBG_CTRACE */ 335 336 #ifdef CTFPOOL 337 #define CTFPOOL_REFILL_THRESH 3 338 typedef struct ctfpool { 339 void *head; 340 spinlock_t lock; 341 uint max_obj; 342 uint curr_obj; 343 uint obj_size; 344 uint refills; 345 uint fast_allocs; 346 uint fast_frees; 347 uint slow_allocs; 348 } ctfpool_t; 349 350 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 351 #define FASTBUF (1 << 0) 352 #define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) |= FASTBUF) 353 #define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) &= (~FASTBUF)) 354 #define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->pktc_flags) & FASTBUF) 355 #define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->pktc_flags) 356 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) 357 #define FASTBUF (1 << 16) 358 #define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= FASTBUF) 359 #define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~FASTBUF)) 360 #define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & FASTBUF) 361 #define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->mac_len) 362 #else 363 #define FASTBUF (1 << 0) 364 #define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= FASTBUF) 365 #define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~FASTBUF)) 366 #define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) & FASTBUF) 367 #define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->__unused) 368 #endif /* 2.6.22 */ 369 370 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 371 #define CTFPOOLPTR(osh, skb) (((struct sk_buff*)(skb))->ctfpool) 372 #define CTFPOOLHEAD(osh, skb) (((ctfpool_t *)((struct sk_buff*)(skb))->ctfpool)->head) 373 #else 374 #define CTFPOOLPTR(osh, skb) (((struct sk_buff*)(skb))->sk) 375 #define CTFPOOLHEAD(osh, skb) (((ctfpool_t *)((struct sk_buff*)(skb))->sk)->head) 376 #endif 377 378 extern void *osl_ctfpool_add(osl_t *osh); 379 extern void osl_ctfpool_replenish(osl_t *osh, uint thresh); 380 extern int32 osl_ctfpool_init(osl_t *osh, uint numobj, uint size); 381 extern void osl_ctfpool_cleanup(osl_t *osh); 382 extern void osl_ctfpool_stats(osl_t *osh, void *b); 383 #else /* CTFPOOL */ 384 #define PKTSETFAST(osh, skb) 385 #define PKTCLRFAST(osh, skb) 386 #define PKTISFAST(osh, skb) (FALSE) 387 #endif /* CTFPOOL */ 388 389 #define PKTSETCTF(osh, skb) 390 #define PKTCLRCTF(osh, skb) 391 #define PKTISCTF(osh, skb) (FALSE) 392 393 #ifdef HNDCTF 394 395 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 396 #define SKIPCT (1 << 2) 397 #define CHAINED (1 << 3) 398 #define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->pktc_flags |= SKIPCT) 399 #define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->pktc_flags &= (~SKIPCT)) 400 #define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->pktc_flags & SKIPCT) 401 #define PKTSETCHAINED(osh, skb) (((struct sk_buff*)(skb))->pktc_flags |= CHAINED) 402 #define PKTCLRCHAINED(osh, skb) (((struct sk_buff*)(skb))->pktc_flags &= (~CHAINED)) 403 #define PKTISCHAINED(skb) (((struct sk_buff*)(skb))->pktc_flags & CHAINED) 404 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) 405 #define SKIPCT (1 << 18) 406 #define CHAINED (1 << 19) 407 #define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len |= SKIPCT) 408 #define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len &= (~SKIPCT)) 409 #define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len & SKIPCT) 410 #define PKTSETCHAINED(osh, skb) (((struct sk_buff*)(skb))->mac_len |= CHAINED) 411 #define PKTCLRCHAINED(osh, skb) (((struct sk_buff*)(skb))->mac_len &= (~CHAINED)) 412 #define PKTISCHAINED(skb) (((struct sk_buff*)(skb))->mac_len & CHAINED) 413 #else /* 2.6.22 */ 414 #define SKIPCT (1 << 2) 415 #define CHAINED (1 << 3) 416 #define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused |= SKIPCT) 417 #define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused &= (~SKIPCT)) 418 #define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused & SKIPCT) 419 #define PKTSETCHAINED(osh, skb) (((struct sk_buff*)(skb))->__unused |= CHAINED) 420 #define PKTCLRCHAINED(osh, skb) (((struct sk_buff*)(skb))->__unused &= (~CHAINED)) 421 #define PKTISCHAINED(skb) (((struct sk_buff*)(skb))->__unused & CHAINED) 422 #endif /* 2.6.22 */ 423 typedef struct ctf_mark { 424 uint32 value; 425 } ctf_mark_t; 426 #define CTF_MARK(m) (m.value) 427 #else /* HNDCTF */ 428 #define PKTSETSKIPCT(osh, skb) 429 #define PKTCLRSKIPCT(osh, skb) 430 #define PKTSKIPCT(osh, skb) 431 #define CTF_MARK(m) 0 432 #endif /* HNDCTF */ 433 434 extern void osl_pktfree(osl_t *osh, void *skb, bool send); 435 extern void *osl_pktget_static(osl_t *osh, uint len); 436 extern void osl_pktfree_static(osl_t *osh, void *skb, bool send); 437 extern int osh_pktpadtailroom(osl_t *osh, void* skb, int pad); 438 439 #ifdef BCMDBG_CTRACE 440 #define PKT_CTRACE_DUMP(osh, b) osl_ctrace_dump((osh), (b)) 441 extern void *osl_pktget(osl_t *osh, uint len, int line, char *file); 442 extern void *osl_pkt_frmnative(osl_t *osh, void *skb, int line, char *file); 443 extern int osl_pkt_is_frmnative(osl_t *osh, struct sk_buff *pkt); 444 extern void *osl_pktdup(osl_t *osh, void *skb, int line, char *file); 445 struct bcmstrbuf; 446 extern void osl_ctrace_dump(osl_t *osh, struct bcmstrbuf *b); 447 #else 448 extern void *osl_pkt_frmnative(osl_t *osh, void *skb); 449 extern void *osl_pktget(osl_t *osh, uint len); 450 extern void *osl_pktdup(osl_t *osh, void *skb); 451 #endif /* BCMDBG_CTRACE */ 452 extern struct sk_buff *osl_pkt_tonative(osl_t *osh, void *pkt); 453 #ifdef BCMDBG_CTRACE 454 #define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_t *)osh), \ 455 (struct sk_buff*)(skb), __LINE__, __FILE__) 456 #define PKTISFRMNATIVE(osh, skb) osl_pkt_is_frmnative((osl_t *)(osh), (struct sk_buff *)(skb)) 457 #else 458 #define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_t *)osh), (struct sk_buff*)(skb)) 459 #endif /* BCMDBG_CTRACE */ 460 #define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_t *)(osh), (pkt)) 461 462 #define PKTLINK(skb) (((struct sk_buff*)(skb))->prev) 463 #define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x)) 464 #define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority) 465 #define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x)) 466 #define PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW) 467 #define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \ 468 ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE)) 469 /* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */ 470 #define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned) 471 472 #ifdef CONFIG_NF_CONNTRACK_MARK 473 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) 474 #define PKTMARK(p) (((struct sk_buff *)(p))->mark) 475 #define PKTSETMARK(p, m) ((struct sk_buff *)(p))->mark = (m) 476 #else /* !2.6.0 */ 477 #define PKTMARK(p) (((struct sk_buff *)(p))->nfmark) 478 #define PKTSETMARK(p, m) ((struct sk_buff *)(p))->nfmark = (m) 479 #endif /* 2.6.0 */ 480 #else /* CONFIG_NF_CONNTRACK_MARK */ 481 #define PKTMARK(p) 0 482 #define PKTSETMARK(p, m) 483 #endif /* CONFIG_NF_CONNTRACK_MARK */ 484 485 #define PKTALLOCED(osh) osl_pktalloced(osh) 486 extern uint osl_pktalloced(osl_t *osh); 487 488 #define DMA_MAP(osh, va, size, direction, p, dmah) \ 489 osl_dma_map((osh), (va), (size), (direction), (p), (dmah)) 490 491 #ifdef PKTC 492 /* Use 8 bytes of skb tstamp field to store below info */ 493 struct chain_node { 494 struct sk_buff *link; 495 unsigned int flags:3, pkts:9, bytes:20; 496 }; 497 498 #define CHAIN_NODE(skb) ((struct chain_node*)(((struct sk_buff*)skb)->pktc_cb)) 499 500 #define PKTCSETATTR(s, f, p, b) ({CHAIN_NODE(s)->flags = (f); CHAIN_NODE(s)->pkts = (p); \ 501 CHAIN_NODE(s)->bytes = (b);}) 502 #define PKTCCLRATTR(s) ({CHAIN_NODE(s)->flags = CHAIN_NODE(s)->pkts = \ 503 CHAIN_NODE(s)->bytes = 0;}) 504 #define PKTCGETATTR(s) (CHAIN_NODE(s)->flags << 29 | CHAIN_NODE(s)->pkts << 20 | \ 505 CHAIN_NODE(s)->bytes) 506 #define PKTCCNT(skb) (CHAIN_NODE(skb)->pkts) 507 #define PKTCLEN(skb) (CHAIN_NODE(skb)->bytes) 508 #define PKTCGETFLAGS(skb) (CHAIN_NODE(skb)->flags) 509 #define PKTCSETFLAGS(skb, f) (CHAIN_NODE(skb)->flags = (f)) 510 #define PKTCCLRFLAGS(skb) (CHAIN_NODE(skb)->flags = 0) 511 #define PKTCFLAGS(skb) (CHAIN_NODE(skb)->flags) 512 #define PKTCSETCNT(skb, c) (CHAIN_NODE(skb)->pkts = (c)) 513 #define PKTCINCRCNT(skb) (CHAIN_NODE(skb)->pkts++) 514 #define PKTCADDCNT(skb, c) (CHAIN_NODE(skb)->pkts += (c)) 515 #define PKTCSETLEN(skb, l) (CHAIN_NODE(skb)->bytes = (l)) 516 #define PKTCADDLEN(skb, l) (CHAIN_NODE(skb)->bytes += (l)) 517 #define PKTCSETFLAG(skb, fb) (CHAIN_NODE(skb)->flags |= (fb)) 518 #define PKTCCLRFLAG(skb, fb) (CHAIN_NODE(skb)->flags &= ~(fb)) 519 #define PKTCLINK(skb) (CHAIN_NODE(skb)->link) 520 #define PKTSETCLINK(skb, x) (CHAIN_NODE(skb)->link = (struct sk_buff*)(x)) 521 #define FOREACH_CHAINED_PKT(skb, nskb) \ 522 for (; (skb) != NULL; (skb) = (nskb)) \ 523 if ((nskb) = (PKTISCHAINED(skb) ? PKTCLINK(skb) : NULL), \ 524 PKTSETCLINK((skb), NULL), 1) 525 #define PKTCFREE(osh, skb, send) \ 526 do { \ 527 void *nskb; \ 528 ASSERT((skb) != NULL); \ 529 FOREACH_CHAINED_PKT((skb), nskb) { \ 530 PKTCLRCHAINED((osh), (skb)); \ 531 PKTCCLRFLAGS((skb)); \ 532 PKTFREE((osh), (skb), (send)); \ 533 } \ 534 } while (0) 535 #define PKTCENQTAIL(h, t, p) \ 536 do { \ 537 if ((t) == NULL) { \ 538 (h) = (t) = (p); \ 539 } else { \ 540 PKTSETCLINK((t), (p)); \ 541 (t) = (p); \ 542 } \ 543 } while (0) 544 #endif /* PKTC */ 545 546 #else /* ! BCMDRIVER */ 547 548 549 /* ASSERT */ 550 #define ASSERT(exp) do {} while (0) 551 552 /* MALLOC and MFREE */ 553 #define MALLOC(o, l) malloc(l) 554 #define MFREE(o, p, l) free(p) 555 #include <stdlib.h> 556 557 /* str* and mem* functions */ 558 #include <string.h> 559 560 /* *printf functions */ 561 #include <stdio.h> 562 563 /* bcopy, bcmp, and bzero */ 564 extern void bcopy(const void *src, void *dst, size_t len); 565 extern int bcmp(const void *b1, const void *b2, size_t len); 566 extern void bzero(void *b, size_t len); 567 #endif /* ! BCMDRIVER */ 568 569 #endif /* _linux_osl_h_ */ 570