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#
# Copyright (C) 2006-2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

BLOCK_MENU:=Block Devices

define KernelPackage/aoe
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=ATA over Ethernet support
  KCONFIG:=CONFIG_ATA_OVER_ETH
  FILES:=$(LINUX_DIR)/drivers/block/aoe/aoe.ko
  AUTOLOAD:=$(call AutoLoad,30,aoe)
endef

define KernelPackage/aoe/description
 Kernel support for ATA over Ethernet
endef

$(eval $(call KernelPackage,aoe))


define KernelPackage/ata-core
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Serial and Parallel ATA support
  DEPENDS:=@PCI_SUPPORT||TARGET_sunxi +kmod-scsi-core
  KCONFIG:=CONFIG_ATA
  FILES:=$(LINUX_DIR)/drivers/ata/libata.ko
ifneq ($(wildcard $(LINUX_DIR)/drivers/ata/libahci.ko),)
  FILES+=$(LINUX_DIR)/drivers/ata/libahci.ko
endif
endef

$(eval $(call KernelPackage,ata-core))


define AddDepends/ata
  SUBMENU:=$(BLOCK_MENU)
  DEPENDS+=kmod-ata-core $(1)
endef


define KernelPackage/ata-ahci
  TITLE:=AHCI Serial ATA support
  KCONFIG:=CONFIG_SATA_AHCI
  FILES:= \
    $(LINUX_DIR)/drivers/ata/ahci.ko
  AUTOLOAD:=$(call AutoLoad,41,libahci ahci,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-ahci/description
 Support for AHCI Serial ATA controllers
endef

$(eval $(call KernelPackage,ata-ahci))


define KernelPackage/ata-ahci-platform
  TITLE:=AHCI Serial ATA Platform support
  KCONFIG:=CONFIG_SATA_AHCI_PLATFORM
  FILES:= \
    $(LINUX_DIR)/drivers/ata/ahci_platform.ko \
    $(LINUX_DIR)/drivers/ata/libahci_platform.ko
  AUTOLOAD:=$(call AutoLoad,40,libahci libahci_platform ahci_platform,1)
  $(call AddDepends/ata,@TARGET_ipq806x||TARGET_sunxi)
endef

define KernelPackage/ata-ahci-platform/description
 Platform support for AHCI Serial ATA controllers
endef

$(eval $(call KernelPackage,ata-ahci-platform))


define KernelPackage/ata-artop
  TITLE:=ARTOP 6210/6260 PATA support
  KCONFIG:=CONFIG_PATA_ARTOP
  FILES:=$(LINUX_DIR)/drivers/ata/pata_artop.ko
  AUTOLOAD:=$(call AutoLoad,41,pata_artop,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-artop/description
 PATA support for ARTOP 6210/6260 host controllers
endef

$(eval $(call KernelPackage,ata-artop))


define KernelPackage/ata-imx
  TITLE:=Freescale i.MX AHCI SATA support
  DEPENDS:=@TARGET_imx6
  KCONFIG:=\
	CONFIG_AHCI_IMX \
	CONFIG_SATA_AHCI_PLATFORM \
	CONFIG_PATA_IMX=n
  FILES:=$(LINUX_DIR)/drivers/ata/ahci_imx.ko
  AUTOLOAD:=$(call AutoLoad,41,ahci_imx,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-imx/description
 SATA support for the Freescale i.MX6 SoC's onboard AHCI SATA
endef

$(eval $(call KernelPackage,ata-imx))


define KernelPackage/ata-marvell-sata
  TITLE:=Marvell Serial ATA support
  KCONFIG:=CONFIG_SATA_MV
  FILES:=$(LINUX_DIR)/drivers/ata/sata_mv.ko
  AUTOLOAD:=$(call AutoLoad,41,sata_mv,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-marvell-sata/description
 SATA support for marvell chipsets
endef

$(eval $(call KernelPackage,ata-marvell-sata))


define KernelPackage/ata-nvidia-sata
  TITLE:=Nvidia Serial ATA support
  KCONFIG:=CONFIG_SATA_NV
  FILES:=$(LINUX_DIR)/drivers/ata/sata_nv.ko
  AUTOLOAD:=$(call AutoLoad,41,sata_nv,1)
  $(call AddDepends/ata)
endef

$(eval $(call KernelPackage,ata-nvidia-sata))


define KernelPackage/ata-pdc202xx-old
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Older Promise PATA controller support
  DEPENDS:=kmod-ata-core
  KCONFIG:= \
       CONFIG_ATA_SFF=y \
       CONFIG_PATA_PDC_OLD
  FILES:=$(LINUX_DIR)/drivers/ata/pata_pdc202xx_old.ko
  AUTOLOAD:=$(call AutoLoad,41,pata_pdc202xx_old,1)
endef

define KernelPackage/ata-pdc202xx-old/description
 This option enables support for the Promise 20246, 20262, 20263,
 20265 and 20267 adapters
endef

$(eval $(call KernelPackage,ata-pdc202xx-old))


define KernelPackage/ata-piix
  TITLE:=Intel PIIX PATA/SATA support
  KCONFIG:=CONFIG_ATA_PIIX
  FILES:=$(LINUX_DIR)/drivers/ata/ata_piix.ko
  AUTOLOAD:=$(call AutoLoad,41,ata_piix,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-piix/description
 SATA support for Intel ICH5/6/7/8 series host controllers and
 PATA support for Intel ESB/ICH/PIIX3/PIIX4 series host controllers
endef

$(eval $(call KernelPackage,ata-piix))


define KernelPackage/ata-sil
  TITLE:=Silicon Image SATA support
  KCONFIG:=CONFIG_SATA_SIL
  FILES:=$(LINUX_DIR)/drivers/ata/sata_sil.ko
  AUTOLOAD:=$(call AutoLoad,41,sata_sil,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-sil/description
 Support for Silicon Image Serial ATA controllers
endef

$(eval $(call KernelPackage,ata-sil))


define KernelPackage/ata-sil24
  TITLE:=Silicon Image 3124/3132 SATA support
  KCONFIG:=CONFIG_SATA_SIL24
  FILES:=$(LINUX_DIR)/drivers/ata/sata_sil24.ko
  AUTOLOAD:=$(call AutoLoad,41,sata_sil24,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-sil24/description
 Support for Silicon Image 3124/3132 Serial ATA controllers
endef

$(eval $(call KernelPackage,ata-sil24))


define KernelPackage/ata-via-sata
  TITLE:=VIA SATA support
  KCONFIG:=CONFIG_SATA_VIA
  FILES:=$(LINUX_DIR)/drivers/ata/sata_via.ko
  AUTOLOAD:=$(call AutoLoad,41,sata_via,1)
  $(call AddDepends/ata)
endef

define KernelPackage/ata-via-sata/description
 This option enables support for VIA Serial ATA
endef

$(eval $(call KernelPackage,ata-via-sata))


define KernelPackage/block2mtd
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Block device MTD emulation
  KCONFIG:=CONFIG_MTD_BLOCK2MTD
  FILES:=$(LINUX_DIR)/drivers/mtd/devices/block2mtd.ko
endef

$(eval $(call KernelPackage,block2mtd))


define KernelPackage/dm
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Device Mapper
  DEPENDS:=+kmod-crypto-manager
  # All the "=n" are unnecessary, they're only there
  # to stop the config from asking the question.
  # MIRROR is M because I've needed it for pvmove.
  KCONFIG:= \
	CONFIG_BLK_DEV_MD=n \
	CONFIG_DM_DEBUG=n \
	CONFIG_DM_UEVENT=n \
	CONFIG_DM_DELAY=n \
	CONFIG_DM_LOG_WRITES=n \
	CONFIG_DM_MQ_DEFAULT=n \
	CONFIG_DM_MULTIPATH=n \
	CONFIG_DM_ZERO=n \
	CONFIG_DM_SNAPSHOT=n \
	CONFIG_DM_LOG_USERSPACE=n \
	CONFIG_MD=y \
	CONFIG_BLK_DEV_DM \
	CONFIG_DM_CRYPT \
	CONFIG_DM_MIRROR
  FILES:=$(LINUX_DIR)/drivers/md/dm-*.ko
  AUTOLOAD:=$(call AutoLoad,30,dm-mod dm-log dm-region-hash dm-mirror dm-crypt)
endef

define KernelPackage/dm/description
 Kernel module necessary for LVM2 support
endef

$(eval $(call KernelPackage,dm))


define KernelPackage/md-mod
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=MD RAID
  KCONFIG:= \
       CONFIG_MD=y \
       CONFIG_BLK_DEV_MD=m \
       CONFIG_MD_AUTODETECT=y \
       CONFIG_MD_FAULTY=n
  FILES:=$(LINUX_DIR)/drivers/md/md-mod.ko
  AUTOLOAD:=$(call AutoLoad,27,md-mod)
endef

define KernelPackage/md-mod/description
 Kernel RAID md module (md-mod.ko).
 You will need to select at least one RAID level module below.
endef

$(eval $(call KernelPackage,md-mod))


define KernelPackage/md/Depends
  SUBMENU:=$(BLOCK_MENU)
  DEPENDS:=kmod-md-mod $(1)
endef


define KernelPackage/md-linear
$(call KernelPackage/md/Depends,)
  TITLE:=RAID Linear Module
  KCONFIG:=CONFIG_MD_LINEAR
  FILES:=$(LINUX_DIR)/drivers/md/linear.ko
  AUTOLOAD:=$(call AutoLoad,28,linear)
endef

define KernelPackage/md-linear/description
 RAID "Linear" or "Append" driver module (linear.ko)
endef

$(eval $(call KernelPackage,md-linear))


define KernelPackage/md-raid0
$(call KernelPackage/md/Depends,)
  TITLE:=RAID0 Module
  KCONFIG:=CONFIG_MD_RAID0
  FILES:=$(LINUX_DIR)/drivers/md/raid0.ko
  AUTOLOAD:=$(call AutoLoad,28,raid0)
endef

define KernelPackage/md-raid0/description
 RAID Level 0 (Striping) driver module (raid0.ko)
endef

$(eval $(call KernelPackage,md-raid0))


define KernelPackage/md-raid1
$(call KernelPackage/md/Depends,)
  TITLE:=RAID1 Module
  KCONFIG:=CONFIG_MD_RAID1
  FILES:=$(LINUX_DIR)/drivers/md/raid1.ko
  AUTOLOAD:=$(call AutoLoad,28,raid1)
endef

define KernelPackage/md-raid1/description
 RAID Level 1 (Mirroring) driver (raid1.ko)
endef

$(eval $(call KernelPackage,md-raid1))


define KernelPackage/md-raid10
$(call KernelPackage/md/Depends,)
  TITLE:=RAID10 Module
  KCONFIG:=CONFIG_MD_RAID10
  FILES:=$(LINUX_DIR)/drivers/md/raid10.ko
  AUTOLOAD:=$(call AutoLoad,28,raid10)
endef

define KernelPackage/md-raid10/description
 RAID Level 10 (Mirroring+Striping) driver module (raid10.ko)
endef

$(eval $(call KernelPackage,md-raid10))


define KernelPackage/md-raid456
$(call KernelPackage/md/Depends,+kmod-lib-raid6 +kmod-lib-xor +LINUX_4_4:kmod-lib-crc32c)
  TITLE:=RAID Level 456 Driver
  KCONFIG:= \
       CONFIG_ASYNC_CORE \
       CONFIG_ASYNC_MEMCPY \
       CONFIG_ASYNC_XOR \
       CONFIG_ASYNC_PQ \
       CONFIG_ASYNC_RAID6_RECOV \
       CONFIG_ASYNC_RAID6_TEST=n \
       CONFIG_MD_RAID456 \
       CONFIG_MULTICORE_RAID456=n
  FILES:= \
	$(LINUX_DIR)/crypto/async_tx/async_tx.ko \
	$(LINUX_DIR)/crypto/async_tx/async_memcpy.ko \
	$(LINUX_DIR)/crypto/async_tx/async_xor.ko \
	$(LINUX_DIR)/crypto/async_tx/async_pq.ko \
	$(LINUX_DIR)/crypto/async_tx/async_raid6_recov.ko \
	$(LINUX_DIR)/drivers/md/raid456.ko
  AUTOLOAD:=$(call AutoLoad,28, async_tx async_memcpy async_xor async_pq async_raid6_recov raid456)
endef

define KernelPackage/md-raid456/description
 RAID Level 4,5,6 kernel module (raid456.ko)

 Includes the following modules required by
 raid456.ko:
    xor.ko
    async_tx.ko
    async_xor.ko
    async_memcpy.ko
    async_pq.ko
    async_raid5_recov.ko
    raid6_pq.ko
endef

$(eval $(call KernelPackage,md-raid456))


define KernelPackage/md-multipath
$(call KernelPackage/md/Depends,)
  TITLE:=MD Multipath Module
  KCONFIG:=CONFIG_MD_MULTIPATH
  FILES:=$(LINUX_DIR)/drivers/md/multipath.ko
  AUTOLOAD:=$(call AutoLoad,29,multipath)
endef

define KernelPackage/md-multipath/description
 Multipath driver module (multipath.ko)
endef

$(eval $(call KernelPackage,md-multipath))


define KernelPackage/ide-core
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=IDE (ATA/ATAPI) device support
  DEPENDS:=@PCI_SUPPORT
  KCONFIG:= \
	CONFIG_IDE \
	CONFIG_BLK_DEV_IDE \
	CONFIG_BLK_DEV_IDEDISK \
	CONFIG_IDE_GD \
	CONFIG_IDE_GD_ATA=y \
	CONFIG_IDE_GD_ATAPI=n \
	CONFIG_IDEPCI_PCIBUS_ORDER=y \
	CONFIG_BLK_DEV_IDEDMA_PCI=y \
	CONFIG_BLK_DEV_IDEPCI=y
  FILES:= \
	$(LINUX_DIR)/drivers/ide/ide-core.ko \
	$(LINUX_DIR)/drivers/ide/ide-gd_mod.ko
endef

define KernelPackage/ide-core/description
 Kernel support for IDE, useful for usb mass storage devices (e.g. on WL-HDD)
 Includes:
 - ide-core
 - ide-gd_mod
endef

$(eval $(call KernelPackage,ide-core))


define AddDepends/ide
  SUBMENU:=$(BLOCK_MENU)
  DEPENDS+=kmod-ide-core $(1)
endef


define KernelPackage/ide-generic
  SUBMENU:=$(BLOCK_MENU)
  DEPENDS:=@PCI_SUPPORT
  TITLE:=Kernel support for generic PCI IDE chipsets
  KCONFIG:=CONFIG_BLK_DEV_GENERIC
  FILES:=$(LINUX_DIR)/drivers/ide/ide-pci-generic.ko
  AUTOLOAD:=$(call AutoLoad,30,ide-pci-generic,1)
  $(call AddDepends/ide)
endef

$(eval $(call KernelPackage,ide-generic))


define KernelPackage/ide-generic-old
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Kernel support for generic (legacy) IDE chipsets
  KCONFIG:=CONFIG_IDE_GENERIC
  FILES:=$(LINUX_DIR)/drivers/ide/ide-generic.ko
  AUTOLOAD:=$(call AutoLoad,30,ide-generic,1)
  $(call AddDepends/ide)
endef

$(eval $(call KernelPackage,ide-generic-old))


define KernelPackage/ide-aec62xx
  TITLE:=Acard AEC62xx IDE driver
  DEPENDS:=@PCI_SUPPORT
  KCONFIG:=CONFIG_BLK_DEV_AEC62XX
  FILES:=$(LINUX_DIR)/drivers/ide/aec62xx.ko
  AUTOLOAD:=$(call AutoLoad,30,aec62xx,1)
  $(call AddDepends/ide)
endef

define KernelPackage/ide-aec62xx/description
 Support for Acard AEC62xx (Artop ATP8xx) IDE controllers
endef

$(eval $(call KernelPackage,ide-aec62xx,1))


define KernelPackage/ide-pdc202xx
  TITLE:=Promise PDC202xx IDE driver
  DEPENDS:=@PCI_SUPPORT
  KCONFIG:=CONFIG_BLK_DEV_PDC202XX_OLD
  FILES:=$(LINUX_DIR)/drivers/ide/pdc202xx_old.ko
  AUTOLOAD:=$(call AutoLoad,30,pdc202xx_old,1)
  $(call AddDepends/ide)
endef

define KernelPackage/ide-pdc202xx/description
 Support for the Promise Ultra 33/66/100 (PDC202{46|62|65|67|68}) IDE
 controllers.
endef

$(eval $(call KernelPackage,ide-pdc202xx))


define KernelPackage/ide-it821x
  TITLE:=ITE IT821x IDE driver
  DEPENDS:=@PCI_SUPPORT
  KCONFIG:=CONFIG_BLK_DEV_IT821X
  FILES=$(LINUX_DIR)/drivers/ide/it821x.ko
  AUTOLOAD:=$(call AutoLoad,30,it821x,1)
  $(call AddDepends/ide)
endef

define KernelPackage/ide-it821x/description
 Kernel module for the ITE IDE821x IDE controllers
endef

$(eval $(call KernelPackage,ide-it821x))


define KernelPackage/libsas
  SUBMENU:=$(BLOCK_MENU)
  DEPENDS:=@TARGET_x86
  TITLE:=SAS Domain Transport Attributes
  KCONFIG:=CONFIG_SCSI_SAS_LIBSAS \
	CONFIG_SCSI_SAS_ATTRS \
	CONFIG_SCSI_SAS_ATA=y \
	CONFIG_SCSI_SAS_HOST_SMP=y \
	CONFIG_SCSI_SAS_LIBSAS_DEBUG=y
  FILES:= \
	$(LINUX_DIR)/drivers/scsi/scsi_transport_sas.ko \
	$(LINUX_DIR)/drivers/scsi/libsas/libsas.ko
  AUTOLOAD:=$(call AutoLoad,29,scsi_transport_sas libsas,1)
endef

define KernelPackage/libsas/description
 SAS Domain Transport Attributes support
endef

$(eval $(call KernelPackage,libsas,1))


define KernelPackage/loop
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Loopback device support
  KCONFIG:= \
	CONFIG_BLK_DEV_LOOP \
	CONFIG_BLK_DEV_CRYPTOLOOP=n
  FILES:=$(LINUX_DIR)/drivers/block/loop.ko
  AUTOLOAD:=$(call AutoLoad,30,loop)
endef

define KernelPackage/loop/description
 Kernel module for loopback device support
endef

$(eval $(call KernelPackage,loop))


define KernelPackage/mvsas
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Marvell 88SE6440 SAS/SATA driver
  DEPENDS:=@TARGET_x86 +kmod-libsas
  KCONFIG:= \
	CONFIG_SCSI_MVSAS \
	CONFIG_SCSI_MVSAS_TASKLET=n
  FILES:=$(LINUX_DIR)/drivers/scsi/mvsas/mvsas.ko
  AUTOLOAD:=$(call AutoLoad,40,mvsas,1)
endef

define KernelPackage/mvsas/description
 Kernel support for the Marvell SAS SCSI adapters
endef

$(eval $(call KernelPackage,mvsas))


define KernelPackage/nbd
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Network block device support
  KCONFIG:=CONFIG_BLK_DEV_NBD
  FILES:=$(LINUX_DIR)/drivers/block/nbd.ko
  AUTOLOAD:=$(call AutoLoad,30,nbd)
endef

define KernelPackage/nbd/description
 Kernel module for network block device support
endef

$(eval $(call KernelPackage,nbd))


define KernelPackage/scsi-core
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=SCSI device support
  KCONFIG:= \
	CONFIG_SCSI \
	CONFIG_BLK_DEV_SD
  FILES:= \
	$(LINUX_DIR)/drivers/scsi/scsi_mod.ko \
	$(LINUX_DIR)/drivers/scsi/sd_mod.ko
  AUTOLOAD:=$(call AutoLoad,40,scsi_mod sd_mod,1)
endef

$(eval $(call KernelPackage,scsi-core))


define KernelPackage/scsi-generic
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Kernel support for SCSI generic
  DEPENDS:=+kmod-scsi-core
  KCONFIG:= \
	CONFIG_CHR_DEV_SG
  FILES:= \
	$(LINUX_DIR)/drivers/scsi/sg.ko
  AUTOLOAD:=$(call AutoLoad,65,sg)
endef

$(eval $(call KernelPackage,scsi-generic))


define KernelPackage/scsi-cdrom
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Kernel support for CD / DVD drives
  DEPENDS:=+kmod-scsi-core
  KCONFIG:= \
    CONFIG_BLK_DEV_SR \
    CONFIG_BLK_DEV_SR_VENDOR=n
  FILES:= \
    $(LINUX_DIR)/drivers/cdrom/cdrom.ko \
    $(LINUX_DIR)/drivers/scsi/sr_mod.ko
  AUTOLOAD:=$(call AutoLoad,45,sr_mod)
endef

$(eval $(call KernelPackage,scsi-cdrom))


define KernelPackage/scsi-tape
  SUBMENU:=$(BLOCK_MENU)
  TITLE:=Kernel support for scsi tape drives
  DEPENDS:=+kmod-scsi-core
  KCONFIG:= \
    CONFIG_CHR_DEV_ST
  FILES:= \
    $(LINUX_DIR)/drivers/scsi/st.ko
  AUTOLOAD:=$(call AutoLoad,45,st)
endef

$(eval $(call KernelPackage,scsi-tape))
p">); cache->c_nitems--; NL_DBG(1, "Deleted %p from cache %p <%s>.\n", obj, cache, nl_cache_name(cache)); } #ifdef disabled /** * Search for an object in a cache * @arg cache Cache to search in. * @arg needle Object to look for. * * Iterates over the cache and looks for an object with identical * identifiers as the needle. * * @return Reference to object or NULL if not found. * @note The returned object must be returned via nl_object_put(). */ struct nl_object *nl_cache_search(struct nl_cache *cache, struct nl_object *needle) { struct nl_object *obj; nl_list_for_each_entry(obj, &cache->c_items, ce_list) { if (nl_object_identical(obj, needle)) { nl_object_get(obj); return obj; } } return NULL; } #endif /** @} */ /** * @name Synchronization * @{ */ /** * Request a full dump from the kernel to fill a cache * @arg sk Netlink socket. * @arg cache Cache subjected to be filled. * * Send a dumping request to the kernel causing it to dump all objects * related to the specified cache to the netlink socket. * * Use nl_cache_pickup() to read the objects from the socket and fill them * into a cache. */ int nl_cache_request_full_dump(struct nl_sock *sk, struct nl_cache *cache) { NL_DBG(2, "Requesting dump from kernel for cache %p <%s>...\n", cache, nl_cache_name(cache)); if (cache->c_ops->co_request_update == NULL) return -NLE_OPNOTSUPP; return cache->c_ops->co_request_update(cache, sk); } /** @cond SKIP */ struct update_xdata { struct nl_cache_ops *ops; struct nl_parser_param *params; }; static int update_msg_parser(struct nl_msg *msg, void *arg) { struct update_xdata *x = arg; return nl_cache_parse(x->ops, &msg->nm_src, msg->nm_nlh, x->params); } /** @endcond */ int __cache_pickup(struct nl_sock *sk, struct nl_cache *cache, struct nl_parser_param *param) { int err; struct nl_cb *cb; struct update_xdata x = { .ops = cache->c_ops, .params = param, }; NL_DBG(1, "Picking up answer for cache %p <%s>...\n", cache, nl_cache_name(cache)); cb = nl_cb_clone(sk->s_cb); if (cb == NULL) return -NLE_NOMEM; nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, update_msg_parser, &x); err = nl_recvmsgs(sk, cb); if (err < 0) NL_DBG(2, "While picking up for %p <%s>, recvmsgs() returned " \ "%d: %s", cache, nl_cache_name(cache), err, nl_geterror(err)); nl_cb_put(cb); return err; } static int pickup_cb(struct nl_object *c, struct nl_parser_param *p) { return nl_cache_add((struct nl_cache *) p->pp_arg, c); } /** * Pickup a netlink dump response and put it into a cache. * @arg sk Netlink socket. * @arg cache Cache to put items into. * * Waits for netlink messages to arrive, parses them and puts them into * the specified cache. * * @return 0 on success or a negative error code. */ int nl_cache_pickup(struct nl_sock *sk, struct nl_cache *cache) { struct nl_parser_param p = { .pp_cb = pickup_cb, .pp_arg = cache, }; return __cache_pickup(sk, cache, &p); } #ifdef disabled static int cache_include(struct nl_cache *cache, struct nl_object *obj, struct nl_msgtype *type, change_func_t cb) { struct nl_object *old; switch (type->mt_act) { case NL_ACT_NEW: case NL_ACT_DEL: old = nl_cache_search(cache, obj); if (old) { nl_cache_remove(old); if (type->mt_act == NL_ACT_DEL) { if (cb) cb(cache, old, NL_ACT_DEL); nl_object_put(old); } } if (type->mt_act == NL_ACT_NEW) { nl_cache_move(cache, obj); if (old == NULL && cb) cb(cache, obj, NL_ACT_NEW); else if (old) { if (nl_object_diff(old, obj) && cb) cb(cache, obj, NL_ACT_CHANGE); nl_object_put(old); } } break; default: NL_DBG(2, "Unknown action associated to object %p\n", obj); return 0; } return 0; } int nl_cache_include(struct nl_cache *cache, struct nl_object *obj, change_func_t change_cb) { struct nl_cache_ops *ops = cache->c_ops; int i; if (ops->co_obj_ops != obj->ce_ops) return -NLE_OBJ_MISMATCH; for (i = 0; ops->co_msgtypes[i].mt_id >= 0; i++) if (ops->co_msgtypes[i].mt_id == obj->ce_msgtype) return cache_include(cache, obj, &ops->co_msgtypes[i], change_cb); return -NLE_MSGTYPE_NOSUPPORT; } static int resync_cb(struct nl_object *c, struct nl_parser_param *p) { struct nl_cache_assoc *ca = p->pp_arg; return nl_cache_include(ca->ca_cache, c, ca->ca_change); } int nl_cache_resync(struct nl_sock *sk, struct nl_cache *cache, change_func_t change_cb) { struct nl_object *obj, *next; struct nl_cache_assoc ca = { .ca_cache = cache, .ca_change = change_cb, }; struct nl_parser_param p = { .pp_cb = resync_cb, .pp_arg = &ca, }; int err; NL_DBG(1, "Resyncing cache %p <%s>...\n", cache, nl_cache_name(cache)); /* Mark all objects so we can see if some of them are obsolete */ nl_cache_mark_all(cache); err = nl_cache_request_full_dump(sk, cache); if (err < 0) goto errout; err = __cache_pickup(sk, cache, &p); if (err < 0) goto errout; nl_list_for_each_entry_safe(obj, next, &cache->c_items, ce_list) if (nl_object_is_marked(obj)) nl_cache_remove(obj); NL_DBG(1, "Finished resyncing %p <%s>\n", cache, nl_cache_name(cache)); err = 0; errout: return err; } #endif /** @} */ /** * @name Parsing * @{ */ /** @cond SKIP */ int nl_cache_parse(struct nl_cache_ops *ops, struct sockaddr_nl *who, struct nlmsghdr *nlh, struct nl_parser_param *params) { int i, err; if (!nlmsg_valid_hdr(nlh, ops->co_hdrsize)) return -NLE_MSG_TOOSHORT; for (i = 0; ops->co_msgtypes[i].mt_id >= 0; i++) { if (ops->co_msgtypes[i].mt_id == nlh->nlmsg_type) { err = ops->co_msg_parser(ops, who, nlh, params); if (err != -NLE_OPNOTSUPP) goto errout; } } err = -NLE_MSGTYPE_NOSUPPORT; errout: return err; } /** @endcond */ /** * Parse a netlink message and add it to the cache. * @arg cache cache to add element to * @arg msg netlink message * * Parses a netlink message by calling the cache specific message parser * and adds the new element to the cache. * * @return 0 or a negative error code. */ int nl_cache_parse_and_add(struct nl_cache *cache, struct nl_msg *msg) { struct nl_parser_param p = { .pp_cb = pickup_cb, .pp_arg = cache, }; return nl_cache_parse(cache->c_ops, NULL, nlmsg_hdr(msg), &p); } /** * (Re)fill a cache with the contents in the kernel. * @arg sk Netlink socket. * @arg cache cache to update * * Clears the specified cache and fills it with the current state in * the kernel. * * @return 0 or a negative error code. */ int nl_cache_refill(struct nl_sock *sk, struct nl_cache *cache) { int err; err = nl_cache_request_full_dump(sk, cache); if (err < 0) return err; NL_DBG(2, "Upading cache %p <%s>, request sent, waiting for dump...\n", cache, nl_cache_name(cache)); nl_cache_clear(cache); return nl_cache_pickup(sk, cache); } /** @} */ #ifdef disabled /** * @name Utillities * @{ */ /** * Mark all objects in a cache * @arg cache Cache to mark all objects in */ void nl_cache_mark_all(struct nl_cache *cache) { struct nl_object *obj; NL_DBG(2, "Marking all objects in cache %p <%s>...\n", cache, nl_cache_name(cache)); nl_list_for_each_entry(obj, &cache->c_items, ce_list) nl_object_mark(obj); } /** @} */ /** * @name Dumping * @{ */ /** * Dump all elements of a cache. * @arg cache cache to dump * @arg params dumping parameters * * Dumps all elements of the \a cache to the file descriptor \a fd. */ void nl_cache_dump(struct nl_cache *cache, struct nl_dump_params *params) { nl_cache_dump_filter(cache, params, NULL); } /** * Dump all elements of a cache (filtered). * @arg cache cache to dump * @arg params dumping parameters (optional) * @arg filter filter object * * Dumps all elements of the \a cache to the file descriptor \a fd * given they match the given filter \a filter. */ void nl_cache_dump_filter(struct nl_cache *cache, struct nl_dump_params *params, struct nl_object *filter) { int type = params ? params->dp_type : NL_DUMP_DETAILS; struct nl_object_ops *ops; struct nl_object *obj; NL_DBG(2, "Dumping cache %p <%s> filter %p\n", cache, nl_cache_name(cache), filter); if (type > NL_DUMP_MAX || type < 0) BUG(); if (cache->c_ops == NULL) BUG(); ops = cache->c_ops->co_obj_ops; if (!ops->oo_dump[type]) return; nl_list_for_each_entry(obj, &cache->c_items, ce_list) { if (filter && !nl_object_match_filter(obj, filter)) continue; NL_DBG(4, "Dumping object %p...\n", obj); dump_from_ops(obj, params); } } /** @} */ /** * @name Iterators * @{ */ /** * Call a callback on each element of the cache. * @arg cache cache to iterate on * @arg cb callback function * @arg arg argument passed to callback function * * Calls a callback function \a cb on each element of the \a cache. * The argument \a arg is passed on the callback function. */ void nl_cache_foreach(struct nl_cache *cache, void (*cb)(struct nl_object *, void *), void *arg) { nl_cache_foreach_filter(cache, NULL, cb, arg); } /** * Call a callback on each element of the cache (filtered). * @arg cache cache to iterate on * @arg filter filter object * @arg cb callback function * @arg arg argument passed to callback function * * Calls a callback function \a cb on each element of the \a cache * that matches the \a filter. The argument \a arg is passed on * to the callback function. */ void nl_cache_foreach_filter(struct nl_cache *cache, struct nl_object *filter, void (*cb)(struct nl_object *, void *), void *arg) { struct nl_object *obj, *tmp; struct nl_object_ops *ops; if (cache->c_ops == NULL) BUG(); ops = cache->c_ops->co_obj_ops; nl_list_for_each_entry_safe(obj, tmp, &cache->c_items, ce_list) { if (filter && !nl_object_match_filter(obj, filter)) continue; cb(obj, arg); } } /** @} */ #endif /** @} */