From 0bc2cd0f82b274ab67fea73da9c5ead92b63a05f Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 5 Jul 2011 16:37:14 +0200 Subject: [PATCH] Reintroduce open/close of net cards. Clean up ofnet. --- grub-core/Makefile.am | 3 - grub-core/kern/ieee1275/init.c | 44 +++--- grub-core/kern/ieee1275/openfw.c | 111 ++++++++------ grub-core/net/drivers/efi/efinet.c | 2 +- grub-core/net/drivers/i386/pc/pxe.c | 54 ++----- grub-core/net/drivers/ieee1275/ofnet.c | 203 +++++++++++++------------ grub-core/net/ethernet.c | 10 +- grub-core/net/net.c | 71 ++++++++- include/grub/i386/pc/pxe.h | 2 - include/grub/ieee1275/ieee1275.h | 10 +- include/grub/ieee1275/ofnet.h | 66 -------- include/grub/net.h | 22 +-- 12 files changed, 313 insertions(+), 285 deletions(-) delete mode 100644 include/grub/ieee1275/ofnet.h diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am index c3ecba9cf..2edf85a50 100644 --- a/grub-core/Makefile.am +++ b/grub-core/Makefile.am @@ -115,7 +115,6 @@ endif if COND_i386_ieee1275 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/ieee1275/ieee1275.h -KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/ieee1275/ofnet.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/terminfo.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/extcmd.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/lib/arg.h @@ -175,7 +174,6 @@ endif if COND_powerpc_ieee1275 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/ieee1275/ieee1275.h -KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/ieee1275/ofnet.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/terminfo.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/extcmd.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/lib/arg.h @@ -183,7 +181,6 @@ endif if COND_sparc64_ieee1275 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/ieee1275/ieee1275.h -KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/ieee1275/ofnet.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/sparc64/ieee1275/ieee1275.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/terminfo.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/extcmd.h diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c index 3c6332553..81b06c88e 100644 --- a/grub-core/kern/ieee1275/init.c +++ b/grub-core/kern/ieee1275/init.c @@ -31,7 +31,6 @@ #include #include #include -#include #include #include #include @@ -77,25 +76,16 @@ grub_translate_ieee1275_path (char *filepath) } } +void (*grub_ieee1275_net_config) (const char *dev, + char **device, + char **path); void grub_machine_get_bootlocation (char **device, char **path) { char bootpath[64]; /* XXX check length */ char *filename; - grub_bootp_t bootp_pckt; - - /* Set the net prefix when possible. */ - if (grub_getbootp && (bootp_pckt = grub_getbootp())) - { - grub_uint32_t n = bootp_pckt->siaddr; - char addr[GRUB_NET_MAX_STR_ADDR_LEN]; - grub_snprintf (addr, GRUB_NET_MAX_STR_ADDR_LEN, "%d.%d.%d.%d", - ((n >> 24) & 0xff), ((n >> 16) & 0xff), - ((n >> 8) & 0xff), ((n >> 0) & 0xff)); - *device = grub_xasprintf ("(tftp,%s)", addr); - return; - } - + char *type; + if (grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", &bootpath, sizeof (bootpath), 0)) { @@ -106,7 +96,27 @@ grub_machine_get_bootlocation (char **device, char **path) /* Transform an OF device path to a GRUB path. */ - *device = grub_ieee1275_encode_devname (bootpath); + type = grub_ieee1275_get_device_type (bootpath); + if (type && grub_strcmp (type, "network") == 0) + { + char *dev, *canon; + char *ptr; + dev = grub_ieee1275_get_aliasdevname (bootpath); + canon = grub_ieee1275_canonicalise_devname (dev); + ptr = canon + grub_strlen (canon) - 1; + while (ptr > canon && (*ptr == ',' || *ptr == ':')) + ptr--; + ptr++; + *ptr = 0; + + if (grub_ieee1275_net_config) + grub_ieee1275_net_config (canon, device, path); + grub_free (dev); + grub_free (canon); + } + else + *device = grub_ieee1275_encode_devname (bootpath); + grub_free (type); filename = grub_ieee1275_get_filename (bootpath); if (filename) @@ -264,8 +274,6 @@ grub_machine_init (void) void grub_machine_fini (void) { - if (grub_grubnet_fini) - grub_grubnet_fini (); grub_ofdisk_fini (); grub_console_fini (); } diff --git a/grub-core/kern/ieee1275/openfw.c b/grub-core/kern/ieee1275/openfw.c index 8fc373c55..2cecd8c7f 100644 --- a/grub-core/kern/ieee1275/openfw.c +++ b/grub-core/kern/ieee1275/openfw.c @@ -22,16 +22,15 @@ #include #include #include -#include #include #include -grub_bootp_t (*grub_getbootp) (void); enum grub_ieee1275_parse_type { GRUB_PARSE_FILENAME, GRUB_PARSE_PARTITION, - GRUB_PARSE_DEVICE + GRUB_PARSE_DEVICE, + GRUB_PARSE_DEVICE_TYPE }; /* Walk children of 'devpath', calling hook for each. */ @@ -322,14 +321,9 @@ grub_ieee1275_parse_args (const char *path, enum grub_ieee1275_parse_type ptype) { char type[64]; /* XXX check size. */ char *device = grub_ieee1275_get_devname (path); - char *args = grub_ieee1275_get_devargs (path); char *ret = 0; grub_ieee1275_phandle_t dev; - if (!args) - /* Shouldn't happen. */ - return 0; - /* We need to know what type of device it is in order to parse the full file path properly. */ if (grub_ieee1275_finddevice (device, &dev)) @@ -344,55 +338,86 @@ grub_ieee1275_parse_args (const char *path, enum grub_ieee1275_parse_type ptype) goto fail; } - if (!grub_strcmp ("block", type)) + switch (ptype) { - /* The syntax of the device arguments is defined in the CHRP and PReP - IEEE1275 bindings: "[partition][,[filename]]". */ - char *comma = grub_strchr (args, ','); + case GRUB_PARSE_DEVICE: + ret = grub_strdup (device); + break; + case GRUB_PARSE_DEVICE_TYPE: + ret = grub_strdup (type); + break; + case GRUB_PARSE_FILENAME: + { + char *comma; + char *args; - if (ptype == GRUB_PARSE_FILENAME) - { - if (comma) - { - char *filepath = comma + 1; + if (grub_strcmp ("block", type) != 0) + goto unknown; - /* Make sure filepath has leading backslash. */ - if (filepath[0] != '\\') - ret = grub_xasprintf ("\\%s", filepath); - else - ret = grub_strdup (filepath); + args = grub_ieee1275_get_devargs (path); + if (!args) + /* Shouldn't happen. */ + return 0; + + /* The syntax of the device arguments is defined in the CHRP and PReP + IEEE1275 bindings: "[partition][,[filename]]". */ + comma = grub_strchr (args, ','); + + if (comma) + { + char *filepath = comma + 1; + + /* Make sure filepath has leading backslash. */ + if (filepath[0] != '\\') + ret = grub_xasprintf ("\\%s", filepath); + else + ret = grub_strdup (filepath); } + grub_free (args); } - else if (ptype == GRUB_PARSE_PARTITION) - { - if (!comma) - ret = grub_strdup (args); - else - ret = grub_strndup (args, (grub_size_t)(comma - args)); - /* Consistently provide numbered partitions to GRUB. - OpenBOOT traditionally uses alphabetical partition - specifiers. */ - if (ret[0] >= 'a' && ret[0] <= 'z') - ret[0] = '1' + (ret[0] - 'a'); - } - } + break; + case GRUB_PARSE_PARTITION: + { + char *comma; + char *args; - else if (!grub_strcmp ("network", type)) - { - if (ptype == GRUB_PARSE_DEVICE) - ret = grub_strdup(device); - } - else - { + if (grub_strcmp ("block", type) != 0) + goto unknown; + + args = grub_ieee1275_get_devargs (path); + if (!args) + /* Shouldn't happen. */ + return 0; + + comma = grub_strchr (args, ','); + if (!comma) + ret = grub_strdup (args); + else + ret = grub_strndup (args, (grub_size_t)(comma - args)); + /* Consistently provide numbered partitions to GRUB. + OpenBOOT traditionally uses alphabetical partition + specifiers. */ + if (ret[0] >= 'a' && ret[0] <= 'z') + ret[0] = '1' + (ret[0] - 'a'); + grub_free (args); + } + break; + default: + unknown: grub_printf ("Unsupported type %s for device %s\n", type, device); } fail: grub_free (device); - grub_free (args); return ret; } +char * +grub_ieee1275_get_device_type (const char *path) +{ + return grub_ieee1275_parse_args (path, GRUB_PARSE_DEVICE_TYPE); +} + char * grub_ieee1275_get_aliasdevname (const char *path) { diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c index 4b2ffc038..5c6aac608 100644 --- a/grub-core/net/drivers/efi/efinet.c +++ b/grub-core/net/drivers/efi/efinet.c @@ -195,7 +195,7 @@ GRUB_MOD_FINI(efinet) struct grub_net_card *card, *next; FOR_NET_CARDS_SAFE (card, next) - if (card->driver && grub_strcmp (card->driver->name, "efinet") == 0) + if (card->driver == &efidriver) grub_net_card_unregister (card); } diff --git a/grub-core/net/drivers/i386/pc/pxe.c b/grub-core/net/drivers/i386/pc/pxe.c index 81607eb57..aa10cbbfa 100644 --- a/grub-core/net/drivers/i386/pc/pxe.c +++ b/grub-core/net/drivers/i386/pc/pxe.c @@ -23,7 +23,6 @@ #include #include #include -#include #include #include @@ -261,20 +260,8 @@ grub_pxe_send (const struct grub_net_card *dev __attribute__ ((unused)), return 0; } -struct grub_net_card_driver grub_pxe_card_driver = -{ - .send = grub_pxe_send, - .recv = grub_pxe_recv -}; - -struct grub_net_card grub_pxe_card = -{ - .driver = &grub_pxe_card_driver, - .name = "pxe" -}; - static grub_err_t -grub_pxe_fini_hw (int noreturn __attribute__ ((unused))) +grub_pxe_close (const struct grub_net_card *dev __attribute__ ((unused))) { if (pxe_rm_entry) grub_pxe_call (GRUB_PXENV_UNDI_CLOSE, @@ -285,7 +272,7 @@ grub_pxe_fini_hw (int noreturn __attribute__ ((unused))) } static grub_err_t -grub_pxe_restore_hw (void) +grub_pxe_open (const struct grub_net_card *dev __attribute__ ((unused))) { struct grub_pxe_undi_open *ou; ou = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; @@ -294,14 +281,23 @@ grub_pxe_restore_hw (void) grub_pxe_call (GRUB_PXENV_UNDI_OPEN, ou, pxe_rm_entry); if (ou->status) - { - grub_net_card_unregister (&grub_pxe_card); - return grub_error (GRUB_ERR_IO, "can't open UNDI"); - } + return grub_error (GRUB_ERR_IO, "can't open UNDI"); return GRUB_ERR_NONE; } -static void *fini_hnd; +struct grub_net_card_driver grub_pxe_card_driver = +{ + .open = grub_pxe_open, + .close = grub_pxe_close, + .send = grub_pxe_send, + .recv = grub_pxe_recv +}; + +struct grub_net_card grub_pxe_card = +{ + .driver = &grub_pxe_card_driver, + .name = "pxe" +}; static void grub_pc_net_config_real (char **device, char **path) @@ -355,30 +351,12 @@ GRUB_MOD_INIT(pxe) grub_pxe_card.default_address.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET; - ou = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; - grub_memset (ou, 0, sizeof (*ou)); - ou->pkt_filter = 4; - grub_pxe_call (GRUB_PXENV_UNDI_OPEN, ou, pxe_rm_entry); - - if (ou->status) - return; - grub_net_card_register (&grub_pxe_card); grub_pc_net_config = grub_pc_net_config_real; - fini_hnd = grub_loader_register_preboot_hook (grub_pxe_fini_hw, - grub_pxe_restore_hw, - GRUB_LOADER_PREBOOT_HOOK_PRIO_DISK); } GRUB_MOD_FINI(pxe) { - struct grub_net_card *card, *next; - grub_pc_net_config = 0; - grub_pxe_fini_hw (0); grub_net_card_unregister (&grub_pxe_card); - FOR_NET_CARDS_SAFE (card, next) - if (card->driver && grub_strcmp (card->driver->name, "pxe") == 0) - grub_net_card_unregister (card); - grub_loader_unregister_preboot_hook (fini_hnd); } diff --git a/grub-core/net/drivers/ieee1275/ofnet.c b/grub-core/net/drivers/ieee1275/ofnet.c index e5a6bfcad..cc29d0987 100644 --- a/grub-core/net/drivers/ieee1275/ofnet.c +++ b/grub-core/net/drivers/ieee1275/ofnet.c @@ -17,7 +17,6 @@ */ #include -#include #include #include #include @@ -25,8 +24,15 @@ GRUB_MOD_LICENSE ("GPLv3+"); +struct grub_ofnetcard_data +{ + char *path; + grub_ieee1275_ihandle_t handle; + grub_uint32_t mtu; +}; + static grub_err_t -card_open (struct grub_net_card *dev) +card_open (const struct grub_net_card *dev) { int status; struct grub_ofnetcard_data *data = dev->data; @@ -44,14 +50,13 @@ card_open (struct grub_net_card *dev) return GRUB_ERR_NONE; } -static grub_err_t -card_close (struct grub_net_card *dev) +static void +card_close (const struct grub_net_card *dev) { struct grub_ofnetcard_data *data = dev->data; if (data->handle) grub_ieee1275_close (data->handle); - return GRUB_ERR_NONE; } static grub_err_t @@ -93,8 +98,8 @@ get_card_packet (const struct grub_net_card *dev, struct grub_net_buff *nb) static struct grub_net_card_driver ofdriver = { .name = "ofnet", - .init = card_open, - .fini = card_close, + .open = card_open, + .close = card_close, .send = send_card_buffer, .recv = get_card_packet }; @@ -112,39 +117,87 @@ bootp_response_properties[] = { .name = "bootpreply-packet", .offset = 0x2a}, }; -static grub_bootp_t -grub_getbootp_real (void) +static void +grub_ieee1275_net_config_real (const char *devpath, char **device, char **path) { - grub_bootp_t packet = grub_malloc (sizeof *packet); - char *bootp_response; - grub_ssize_t size; - unsigned int i; + struct grub_net_card *card; - for (i = 0; i < ARRAY_SIZE (bootp_response_properties); i++) - if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, - bootp_response_properties[i].name, - &size) >= 0) - break; + /* FIXME: Check that it's the right card. */ + FOR_NET_CARDS (card) + { + char *bootp_response; + char *cardpath; + char *canon; - if (size < 0) - return NULL; + grub_ssize_t size = -1; + unsigned int i; - bootp_response = grub_malloc (size); - if (grub_ieee1275_get_property (grub_ieee1275_chosen, - bootp_response_properties[i].name, - bootp_response, size, 0) < 0) - return NULL; + if (card->driver != &ofdriver) + continue; - grub_memcpy (packet, bootp_response + bootp_response_properties[i].offset, sizeof (*packet)); - grub_free (bootp_response); - return packet; + cardpath = ((struct grub_ofnetcard_data *) card->data)->path; + canon = grub_ieee1275_canonicalise_devname (cardpath); + if (grub_strcmp (devpath, canon) != 0) + { + grub_free (canon); + continue; + } + grub_free (canon); + + for (i = 0; i < ARRAY_SIZE (bootp_response_properties); i++) + if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, + bootp_response_properties[i].name, + &size) >= 0) + break; + + if (size < 0) + return; + + bootp_response = grub_malloc (size); + if (!bootp_response) + { + grub_print_error (); + return; + } + if (grub_ieee1275_get_property (grub_ieee1275_chosen, + bootp_response_properties[i].name, + bootp_response, size, 0) < 0) + return; + + grub_net_configure_by_dhcp_ack (card->name, card, 0, + (struct grub_net_bootp_packet *) + &bootp_response + + bootp_response_properties[i].offset, + size - bootp_response_properties[i].offset, + 1, device, path); + return; + } +} + +static char * +find_alias (const char *fullname) +{ + char *ret = NULL; + auto int find_alias_hook (struct grub_ieee1275_devalias *alias); + + int find_alias_hook (struct grub_ieee1275_devalias *alias) + { + if (grub_strcmp (alias->path, fullname) == 0) + { + ret = grub_strdup (alias->name); + return 1; + } + return 0; + } + + grub_devalias_iterate (find_alias_hook); + grub_errno = GRUB_ERR_NONE; + return ret; } static void grub_ofnet_findcards (void) { - int i = 0; - auto int search_net_devices (struct grub_ieee1275_devalias *alias); int search_net_devices (struct grub_ieee1275_devalias *alias) @@ -155,6 +208,7 @@ grub_ofnet_findcards (void) struct grub_net_card *card; grub_ieee1275_phandle_t devhandle; grub_net_link_level_address_t lla; + char *shortname; ofdata = grub_malloc (sizeof (struct grub_ofnetcard_data)); if (!ofdata) @@ -162,7 +216,7 @@ grub_ofnet_findcards (void) grub_print_error (); return 1; } - card = grub_malloc (sizeof (struct grub_net_card)); + card = grub_zalloc (sizeof (struct grub_net_card)); if (!card) { grub_free (ofdata); @@ -177,11 +231,19 @@ grub_ofnet_findcards (void) if (grub_ieee1275_get_integer_property (devhandle, "max-frame-size", &(ofdata->mtu), sizeof (ofdata->mtu), 0)) - return grub_error (GRUB_ERR_IO, "Couldn't retrieve mtu size."); + { + ofdata->mtu = 1500; + } - if (grub_ieee1275_get_property - (devhandle, "mac-address", &(lla.mac), 6, 0)) - return grub_error (GRUB_ERR_IO, "Couldn't retrieve mac address."); + if (grub_ieee1275_get_property (devhandle, "mac-address", + &(lla.mac), 6, 0) + && grub_ieee1275_get_property (devhandle, "local-mac-address", + &(lla.mac), 6, 0)) + { + grub_error (GRUB_ERR_IO, "Couldn't retrieve mac address."); + grub_print_error (); + return 0; + } lla.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET; card->default_address = lla; @@ -189,7 +251,11 @@ grub_ofnet_findcards (void) card->driver = NULL; card->data = ofdata; card->flags = 0; - card->name = grub_xasprintf ("eth%d", i++); + shortname = find_alias (alias->path); + card->name = grub_xasprintf ("ofnet_%s", shortname ? : alias->path); + grub_free (shortname); + + card->driver = &ofdriver; grub_net_card_register (card); return 0; } @@ -200,69 +266,18 @@ grub_ofnet_findcards (void) grub_ieee1275_devices_iterate (search_net_devices); } -static void -grub_ofnet_probecards (void) -{ - struct grub_net_card *card; - struct grub_net_card_driver *driver; - struct grub_net_network_level_interface *inter; - grub_bootp_t bootp_pckt; - grub_net_network_level_address_t addr; - grub_net_network_level_netaddress_t net; - bootp_pckt = grub_getbootp (); - - /* Assign correspondent driver for each device. */ - FOR_NET_CARDS (card) - { - FOR_NET_CARD_DRIVERS (driver) - { - if (driver->init (card) == GRUB_ERR_NONE) - { - card->driver = driver; - if (bootp_pckt - && grub_memcmp (bootp_pckt->chaddr, card->default_address.mac, 6) == 0) - { - addr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4; - addr.ipv4 = bootp_pckt->yiaddr; - grub_net_add_addr ("bootp_cli_addr", card, addr, - card->default_address, 0); - FOR_NET_NETWORK_LEVEL_INTERFACES (inter) - if (grub_strcmp (inter->name, "bootp_cli_addr") == 0) - break; - net.type = addr.type; - net.ipv4.base = addr.ipv4; - net.ipv4.masksize = 24; - grub_net_add_route ("bootp-router", net, inter); - } - break; - } - } - } - grub_free (bootp_pckt); - -} - GRUB_MOD_INIT(ofnet) { - struct grub_net_card *card; - grub_getbootp = grub_getbootp_real; - grub_net_card_driver_register (&ofdriver); grub_ofnet_findcards (); - grub_ofnet_probecards (); - FOR_NET_CARDS (card) - if (card->driver == NULL) - grub_net_card_unregister (card); + grub_ieee1275_net_config = grub_ieee1275_net_config_real; } GRUB_MOD_FINI(ofnet) { - struct grub_net_card *card; - FOR_NET_CARDS (card) - if (card->driver && !grub_strcmp (card->driver->name, "ofnet")) - { - card->driver->fini (card); - card->driver = NULL; - } - grub_net_card_driver_unregister (&ofdriver); - grub_getbootp = NULL; + struct grub_net_card *card, *next; + + FOR_NET_CARDS_SAFE (card, next) + if (card->driver && grub_strcmp (card->driver->name, "ofnet") == 0) + grub_net_card_unregister (card); + grub_ieee1275_net_config = 0; } diff --git a/grub-core/net/ethernet.c b/grub-core/net/ethernet.c index 175d0b65f..3006c9d93 100644 --- a/grub-core/net/ethernet.c +++ b/grub-core/net/ethernet.c @@ -25,7 +25,15 @@ send_ethernet_packet (struct grub_net_network_level_interface *inf, grub_memcpy (eth->src, inf->hwaddress.mac, 6); eth->type = grub_cpu_to_be16 (ethertype); - + if (!inf->card->opened) + { + err = GRUB_ERR_NONE; + if (inf->card->driver->open) + err = inf->card->driver->open (inf->card); + if (err) + return err; + inf->card->opened = 1; + } return inf->card->driver->send (inf->card, nb); } diff --git a/grub-core/net/net.c b/grub-core/net/net.c index 96bbd1712..a3b76cae0 100644 --- a/grub-core/net/net.c +++ b/grub-core/net/net.c @@ -30,6 +30,7 @@ #include #include #include +#include GRUB_MOD_LICENSE ("GPLv3+"); @@ -58,6 +59,7 @@ static struct grub_fs grub_net_fs; static inline void grub_net_network_level_interface_unregister (struct grub_net_network_level_interface *inter) { + inter->card->num_ifaces--; *inter->prev = inter->next; if (inter->next) inter->next->prev = inter->prev; @@ -65,6 +67,24 @@ grub_net_network_level_interface_unregister (struct grub_net_network_level_inter inter->prev = 0; } +void +grub_net_card_unregister (struct grub_net_card *card) +{ + struct grub_net_network_level_interface *inf, *next; + FOR_NET_NETWORK_LEVEL_INTERFACES_SAFE(inf, next) + if (inf->card == card) + grub_net_network_level_interface_unregister (inf); + if (card->opened) + { + if (card->driver->close) + card->driver->close (card); + card->opened = 0; + } + grub_list_remove (GRUB_AS_LIST_P (&grub_net_cards), + GRUB_AS_LIST (card)); +} + + static inline void grub_net_route_register (struct grub_net_route *route) { @@ -336,6 +356,7 @@ grub_net_network_level_interface_register (struct grub_net_network_level_interfa grub_register_variable_hook (name, 0, addr_set_env); } + inter->card->num_ifaces++; inter->prev = &grub_net_network_level_interfaces; inter->next = grub_net_network_level_interfaces; if (inter->next) @@ -345,7 +366,7 @@ grub_net_network_level_interface_register (struct grub_net_network_level_interfa struct grub_net_network_level_interface * grub_net_add_addr (const char *name, - const struct grub_net_card *card, + struct grub_net_card *card, grub_net_network_level_address_t addr, grub_net_link_level_address_t hwaddress, grub_net_interface_flags_t flags) @@ -714,6 +735,20 @@ grub_net_fs_close (grub_file_t file) static void receive_packets (struct grub_net_card *card) { + if (card->num_ifaces == 0) + return; + if (!card->opened) + { + grub_err_t err = GRUB_ERR_NONE; + if (card->driver->open) + err = card->driver->open (card); + if (err) + { + grub_errno = GRUB_ERR_NONE; + return; + } + card->opened = 1; + } while (1) { /* Maybe should be better have a fixed number of packets for each card @@ -926,7 +961,7 @@ parse_dhcp_vendor (const char *name, void *vend, int limit) struct grub_net_network_level_interface * grub_net_configure_by_dhcp_ack (const char *name, - const struct grub_net_card *card, + struct grub_net_card *card, grub_net_interface_flags_t flags, const struct grub_net_bootp_packet *bp, grub_size_t size, @@ -1042,7 +1077,7 @@ grub_net_configure_by_dhcp_ack (const char *name, void grub_net_process_dhcp (struct grub_net_buff *nb, - const struct grub_net_card *card) + struct grub_net_card *card) { char *name; struct grub_net_network_level_interface *inf; @@ -1228,6 +1263,7 @@ grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)), if (j) ifaces[j].prev = &ifaces[j-1].next; ifaces[j].name = grub_xasprintf ("%s:dhcp_tmp", card->name); + card->num_ifaces++; if (!ifaces[j].name) { unsigned i; @@ -1331,6 +1367,29 @@ static struct grub_fs grub_net_fs = .uuid = NULL, .mtime = NULL, }; + +static grub_err_t +grub_net_fini_hw (int noreturn __attribute__ ((unused))) +{ + struct grub_net_card *card; + FOR_NET_CARDS (card) + if (card->opened) + { + if (card->driver->close) + card->driver->close (card); + card->opened = 0; + } + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_net_restore_hw (void) +{ + return GRUB_ERR_NONE; +} + +static void *fini_hnd; + static grub_command_t cmd_addaddr, cmd_deladdr, cmd_addroute, cmd_delroute; static grub_command_t cmd_lsroutes, cmd_lscards, cmd_getdhcp, cmd_bootp; static grub_command_t cmd_dhcp, cmd_lsaddr; @@ -1367,6 +1426,11 @@ GRUB_MOD_INIT(net) grub_fs_register (&grub_net_fs); grub_net_open = grub_net_open_real; + fini_hnd = grub_loader_register_preboot_hook (grub_net_fini_hw, + grub_net_restore_hw, + GRUB_LOADER_PREBOOT_HOOK_PRIO_DISK); + grub_net_fini_hw (0); + grub_loader_unregister_preboot_hook (fini_hnd); } GRUB_MOD_FINI(net) @@ -1381,4 +1445,5 @@ GRUB_MOD_FINI(net) grub_unregister_command (cmd_getdhcp); grub_fs_unregister (&grub_net_fs); grub_net_open = NULL; + grub_loader_unregister_preboot_hook (fini_hnd); } diff --git a/include/grub/i386/pc/pxe.h b/include/grub/i386/pc/pxe.h index 781b53df5..376a18962 100644 --- a/include/grub/i386/pc/pxe.h +++ b/include/grub/i386/pc/pxe.h @@ -287,8 +287,6 @@ int EXPORT_FUNC(grub_pxe_call) (int func, void * data, grub_uint32_t pxe_rm_entr extern struct grub_pxe_bangpxe *grub_pxe_pxenv; -void grub_pxe_unload (void); - #endif #endif /* GRUB_CPU_PXE_H */ diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h index 87294610d..81590ee4b 100644 --- a/include/grub/ieee1275/ieee1275.h +++ b/include/grub/ieee1275/ieee1275.h @@ -64,12 +64,9 @@ struct grub_ieee1275_common_hdr typedef grub_uint32_t grub_ieee1275_ihandle_t; typedef grub_uint32_t grub_ieee1275_phandle_t; -struct grub_ofnetcard_data -{ - char *path; - grub_ieee1275_ihandle_t handle; - grub_uint32_t mtu; -}; +extern void (*EXPORT_VAR(grub_ieee1275_net_config)) (const char *dev, + char **device, + char **path); /* Maps a device alias to a pathname. */ extern grub_ieee1275_phandle_t EXPORT_VAR(grub_ieee1275_chosen); @@ -203,5 +200,6 @@ int EXPORT_FUNC(grub_ieee1275_devices_iterate) (int (*hook) alias)); char *EXPORT_FUNC(grub_ieee1275_get_aliasdevname) (const char *path); char *EXPORT_FUNC(grub_ieee1275_canonicalise_devname) (const char *path); +char *EXPORT_FUNC(grub_ieee1275_get_device_type) (const char *path); #endif /* ! GRUB_IEEE1275_HEADER */ diff --git a/include/grub/ieee1275/ofnet.h b/include/grub/ieee1275/ofnet.h deleted file mode 100644 index c7284df38..000000000 --- a/include/grub/ieee1275/ofnet.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2002,2007 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_OFNET_HEADER -#define GRUB_OFNET_HEADER 1 - -#include -#include -#include - -struct grub_ofnet -{ - /* The net name. */ - const char *name; - - /* The OF device string. */ - char *dev; - /*server ip*/ - char *sip; - /*client ip*/ - char *cip; - /*gateway*/ - char *gat; - /**/ - int type; -}; - -typedef struct grub_ofnet *grub_ofnet_t; - -struct grub_bootp { - grub_uint8_t op; /* 1 = BOOTREQUEST, 2 = BOOTREPLY */ - grub_uint8_t htype; /* Hardware address type. */ - grub_uint8_t hlen; /* Hardware address length */ - grub_uint8_t hops; /* Used by gateways in cross-gateway booting. */ - grub_uint32_t xid; /* Transaction ID */ - grub_uint16_t secs; /* Seconds elapsed. */ - grub_uint16_t unused; /* Unused. */ - grub_uint32_t ciaddr; /* Client IP address, */ - grub_uint32_t yiaddr; /* Client IP address filled by server. */ - grub_uint32_t siaddr; /* Server IP address. */ - grub_uint32_t giaddr; /* Gateway IP address. */ - unsigned char chaddr [16]; /* Client hardware address */ - char sname [64]; /* Server name */ - char file [128]; /* Boot filename */ - unsigned char vend [64]; -}; - -typedef struct grub_bootp* grub_bootp_t; - -extern grub_bootp_t (*EXPORT_VAR (grub_getbootp)) (void); -#endif /* ! GRUB_NET_HEADER */ diff --git a/include/grub/net.h b/include/grub/net.h index e9a3793db..85fdef365 100644 --- a/include/grub/net.h +++ b/include/grub/net.h @@ -60,6 +60,8 @@ struct grub_net_card_driver { struct grub_net_card_driver *next; char *name; + grub_err_t (*open) (const struct grub_net_card *dev); + void (*close) (const struct grub_net_card *dev); grub_err_t (*send) (const struct grub_net_card *dev, struct grub_net_buff *buf); grub_ssize_t (*recv) (const struct grub_net_card *dev, @@ -87,6 +89,8 @@ struct grub_net_card struct grub_net_card_driver *driver; grub_net_link_level_address_t default_address; grub_net_card_flags_t flags; + int num_ifaces; + int opened; union { struct @@ -236,7 +240,7 @@ struct grub_net_network_level_interface struct grub_net_network_level_interface *next; struct grub_net_network_level_interface **prev; char *name; - const struct grub_net_card *card; + struct grub_net_card *card; grub_net_network_level_address_t address; grub_net_link_level_address_t hwaddress; grub_net_interface_flags_t flags; @@ -284,7 +288,7 @@ grub_net_session_recv (struct grub_net_session *session, void *buf, struct grub_net_network_level_interface * grub_net_add_addr (const char *name, - const struct grub_net_card *card, + struct grub_net_card *card, grub_net_network_level_address_t addr, grub_net_link_level_address_t hwaddress, grub_net_interface_flags_t flags); @@ -321,12 +325,8 @@ grub_net_card_register (struct grub_net_card *card) GRUB_AS_LIST (card)); } -static inline void -grub_net_card_unregister (struct grub_net_card *card) -{ - grub_list_remove (GRUB_AS_LIST_P (&grub_net_cards), - GRUB_AS_LIST (card)); -} +void +grub_net_card_unregister (struct grub_net_card *card); #define FOR_NET_CARDS(var) for (var = grub_net_cards; var; var = var->next) #define FOR_NET_CARDS_SAFE(var, next) for (var = grub_net_cards, next = var->next; var; var = next, next = var->next) @@ -390,7 +390,7 @@ struct grub_net_bootp_packet struct grub_net_network_level_interface * grub_net_configure_by_dhcp_ack (const char *name, - const struct grub_net_card *card, + struct grub_net_card *card, grub_net_interface_flags_t flags, const struct grub_net_bootp_packet *bp, grub_size_t size, @@ -398,7 +398,7 @@ grub_net_configure_by_dhcp_ack (const char *name, void grub_net_process_dhcp (struct grub_net_buff *nb, - const struct grub_net_card *card); + struct grub_net_card *card); int grub_net_hwaddr_cmp (const grub_net_link_level_address_t *a, @@ -418,6 +418,8 @@ grub_net_addr_to_str (const grub_net_network_level_address_t *target, extern struct grub_net_network_level_interface *grub_net_network_level_interfaces; #define FOR_NET_NETWORK_LEVEL_INTERFACES(var) for (var = grub_net_network_level_interfaces; var; var = var->next) +#define FOR_NET_NETWORK_LEVEL_INTERFACES_SAFE(var,next) for (var = grub_net_network_level_interfaces, next = var->next; var; var = next, next = var->next) + grub_err_t grub_net_send_link_layer (struct grub_net_network_level_interface *inf, struct grub_net_buff *nb, grub_net_link_level_address_t *target);