diff options
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/firewire/core-card.c | 11 | ||||
| -rw-r--r-- | drivers/firewire/net.c | 9 |
3 files changed, 19 insertions, 7 deletions
diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 68f942cb30f2..0c56989cd907 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -49,15 +49,13 @@ config FIREWIRE_SBP2 configuration section. config FIREWIRE_NET - tristate "IP networking over 1394 (EXPERIMENTAL)" - depends on FIREWIRE && INET && EXPERIMENTAL + tristate "IP networking over 1394" + depends on FIREWIRE && INET help This enables IPv4 over IEEE 1394, providing IP connectivity with other implementations of RFC 2734 as found on several operating systems. Multicast support is currently limited. - NOTE, this driver is not stable yet! - To compile this driver as a module, say M here: The module will be called firewire-net. diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index be0492398ef9..24ff35511e2b 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -75,6 +75,8 @@ static size_t config_rom_length = 1 + 4 + 1 + 1; #define BIB_IRMC ((1) << 31) #define NODE_CAPABILITIES 0x0c0083c0 /* per IEEE 1394 clause 8.3.2.6.5.2 */ +#define CANON_OUI 0x000085 + static void generate_config_rom(struct fw_card *card, __be32 *config_rom) { struct fw_descriptor *desc; @@ -284,6 +286,7 @@ static void bm_work(struct work_struct *work) bool root_device_is_running; bool root_device_is_cmc; bool irm_is_1394_1995_only; + bool keep_this_irm; spin_lock_irq(&card->lock); @@ -305,6 +308,10 @@ static void bm_work(struct work_struct *work) irm_is_1394_1995_only = irm_device && irm_device->config_rom && (irm_device->config_rom[2] & 0x000000f0) == 0; + /* Canon MV5i works unreliably if it is not root node. */ + keep_this_irm = irm_device && irm_device->config_rom && + irm_device->config_rom[3] >> 8 == CANON_OUI; + root_id = root_node->node_id; irm_id = card->irm_node->node_id; local_id = card->local_node->node_id; @@ -333,7 +340,7 @@ static void bm_work(struct work_struct *work) goto pick_me; } - if (irm_is_1394_1995_only) { + if (irm_is_1394_1995_only && !keep_this_irm) { new_root_id = local_id; fw_notify("%s, making local node (%02x) root.\n", "IRM is not 1394a compliant", new_root_id); @@ -382,7 +389,7 @@ static void bm_work(struct work_struct *work) spin_lock_irq(&card->lock); - if (rcode != RCODE_COMPLETE) { + if (rcode != RCODE_COMPLETE && !keep_this_irm) { /* * The lock request failed, maybe the IRM * isn't really IRM capable after all. Let's diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c index c2e194c58667..7ed08fd1214e 100644 --- a/drivers/firewire/net.c +++ b/drivers/firewire/net.c @@ -191,6 +191,7 @@ struct fwnet_peer { struct fwnet_device *dev; u64 guid; u64 fifo; + __be32 ip; /* guarded by dev->lock */ struct list_head pd_list; /* received partial datagrams */ @@ -570,6 +571,8 @@ static int fwnet_finish_incoming_packet(struct net_device *net, peer->speed = sspd; if (peer->max_payload > max_payload) peer->max_payload = max_payload; + + peer->ip = arp1394->sip; } spin_unlock_irqrestore(&dev->lock, flags); @@ -1470,6 +1473,7 @@ static int fwnet_add_peer(struct fwnet_device *dev, peer->dev = dev; peer->guid = (u64)device->config_rom[3] << 32 | device->config_rom[4]; peer->fifo = FWNET_NO_FIFO_ADDR; + peer->ip = 0; INIT_LIST_HEAD(&peer->pd_list); peer->pdg_size = 0; peer->datagram_label = 0; @@ -1589,10 +1593,13 @@ static int fwnet_remove(struct device *_dev) mutex_lock(&fwnet_device_mutex); + net = dev->netdev; + if (net && peer->ip) + arp_invalidate(net, peer->ip); + fwnet_remove_peer(peer, dev); if (list_empty(&dev->peer_list)) { - net = dev->netdev; unregister_netdev(net); if (dev->local_fifo != FWNET_NO_FIFO_ADDR) |