diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/ath/ath_main.c')
-rw-r--r-- | qemu/roms/ipxe/src/drivers/net/ath/ath_main.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/ath/ath_main.c b/qemu/roms/ipxe/src/drivers/net/ath/ath_main.c deleted file mode 100644 index 85d159a36..000000000 --- a/qemu/roms/ipxe/src/drivers/net/ath/ath_main.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (c) 2009 Atheros Communications Inc. - * - * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011 - * Original from Linux kernel 3.0.1 - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <ipxe/io.h> - -#include "ath.h" - -struct io_buffer *ath_rxbuf_alloc(struct ath_common *common, - u32 len, - u32 *iob_addr) -{ - struct io_buffer *iob; - u32 off; - - /* - * Cache-line-align. This is important (for the - * 5210 at least) as not doing so causes bogus data - * in rx'd frames. - */ - - /* Note: the kernel can allocate a value greater than - * what we ask it to give us. We really only need 4 KB as that - * is this hardware supports and in fact we need at least 3849 - * as that is the MAX AMSDU size this hardware supports. - * Unfortunately this means we may get 8 KB here from the - * kernel... and that is actually what is observed on some - * systems :( */ - iob = alloc_iob(len + common->cachelsz - 1); - if (iob != NULL) { - *iob_addr = virt_to_bus(iob->data); - off = ((unsigned long) iob->data) % common->cachelsz; - if (off != 0) - { - iob_reserve(iob, common->cachelsz - off); - *iob_addr += common->cachelsz - off; - } - } else { - DBG("ath: iobuffer alloc of size %d failed\n", len); - return NULL; - } - - return iob; -} |