This reverts commit 5712dc7fc812d1bdbc5e634d389bc759d4e7550c. Turns out the batman maintainers didn't like the implementation of it, and the original author was going to rework it to meet their approval, and I applied it without fully realizing all of this.
My fault. Cc: Marek Lindner <[email protected]> Cc: Simon Wunderlich <[email protected]> Cc: Andrew Lunn <[email protected]> Cc: Tobias Klauser <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/staging/batman-adv/main.c | 12 +++++++++++- drivers/staging/batman-adv/main.h | 3 ++- drivers/staging/batman-adv/routing.c | 16 ++++++++-------- drivers/staging/batman-adv/soft-interface.c | 2 +- drivers/staging/batman-adv/vis.c | 4 ++-- 5 files changed, 24 insertions(+), 13 deletions(-) diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c index 6ea6420..0587940 100644 --- a/drivers/staging/batman-adv/main.c +++ b/drivers/staging/batman-adv/main.c @@ -149,7 +149,7 @@ void dec_module_count(void) int compare_orig(void *data1, void *data2) { - return (compare_ether_addr(data1, data2) == 0 ? 1 : 0); + return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); } /* hashfunction to choose an entry in a hash table of given size */ @@ -192,6 +192,16 @@ int is_my_mac(uint8_t *addr) } +int is_bcast(uint8_t *addr) +{ + return (addr[0] == (uint8_t)0xff) && (addr[1] == (uint8_t)0xff); +} + +int is_mcast(uint8_t *addr) +{ + return *addr & 0x01; +} + module_init(batman_init); module_exit(batman_exit); diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h index 14d567d..5e3f516 100644 --- a/drivers/staging/batman-adv/main.h +++ b/drivers/staging/batman-adv/main.h @@ -109,7 +109,6 @@ #include <linux/mutex.h> /* mutex */ #include <linux/module.h> /* needed by all modules */ #include <linux/netdevice.h> /* netdevice */ -#include <linux/etherdevice.h> #include <linux/if_ether.h> /* ethernet header */ #include <linux/poll.h> /* poll_table */ #include <linux/kthread.h> /* kernel threads */ @@ -139,6 +138,8 @@ void dec_module_count(void); int compare_orig(void *data1, void *data2); int choose_orig(void *data, int32_t size); int is_my_mac(uint8_t *addr); +int is_bcast(uint8_t *addr); +int is_mcast(uint8_t *addr); #ifdef CONFIG_BATMAN_ADV_DEBUG int debug_log(struct bat_priv *bat_priv, char *fmt, ...); diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c index d42c165..9010263 100644 --- a/drivers/staging/batman-adv/routing.c +++ b/drivers/staging/batman-adv/routing.c @@ -756,11 +756,11 @@ int recv_bat_packet(struct sk_buff *skb, struct batman_if *batman_if) ethhdr = (struct ethhdr *)skb_mac_header(skb); /* packet with broadcast indication but unicast recipient */ - if (!is_broadcast_ether_addr(ethhdr->h_dest)) + if (!is_bcast(ethhdr->h_dest)) return NET_RX_DROP; /* packet with broadcast sender address */ - if (is_broadcast_ether_addr(ethhdr->h_source)) + if (is_bcast(ethhdr->h_source)) return NET_RX_DROP; /* create a copy of the skb, if needed, to modify it. */ @@ -933,11 +933,11 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if) ethhdr = (struct ethhdr *)skb_mac_header(skb); /* packet with unicast indication but broadcast recipient */ - if (is_broadcast_ether_addr(ethhdr->h_dest)) + if (is_bcast(ethhdr->h_dest)) return NET_RX_DROP; /* packet with broadcast sender address */ - if (is_broadcast_ether_addr(ethhdr->h_source)) + if (is_bcast(ethhdr->h_source)) return NET_RX_DROP; /* not for me */ @@ -1107,11 +1107,11 @@ static int check_unicast_packet(struct sk_buff *skb, int hdr_size) ethhdr = (struct ethhdr *)skb_mac_header(skb); /* packet with unicast indication but broadcast recipient */ - if (is_broadcast_ether_addr(ethhdr->h_dest)) + if (is_bcast(ethhdr->h_dest)) return -1; /* packet with broadcast sender address */ - if (is_broadcast_ether_addr(ethhdr->h_source)) + if (is_bcast(ethhdr->h_source)) return -1; /* not for me */ @@ -1283,11 +1283,11 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) ethhdr = (struct ethhdr *)skb_mac_header(skb); /* packet with broadcast indication but unicast recipient */ - if (!is_broadcast_ether_addr(ethhdr->h_dest)) + if (!is_bcast(ethhdr->h_dest)) return NET_RX_DROP; /* packet with broadcast sender address */ - if (is_broadcast_ether_addr(ethhdr->h_source)) + if (is_bcast(ethhdr->h_source)) return NET_RX_DROP; /* ignore broadcasts sent by myself */ diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c index 820e141..3904db9 100644 --- a/drivers/staging/batman-adv/soft-interface.c +++ b/drivers/staging/batman-adv/soft-interface.c @@ -140,7 +140,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) hna_local_add(soft_iface, ethhdr->h_source); /* ethernet packet should be broadcasted */ - if (is_multicast_ether_addr(ethhdr->h_dest)) { + if (is_bcast(ethhdr->h_dest) || is_mcast(ethhdr->h_dest)) { if (!bat_priv->primary_if) goto dropped; diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c index 395f110..4473cc8 100644 --- a/drivers/staging/batman-adv/vis.c +++ b/drivers/staging/batman-adv/vis.c @@ -469,7 +469,7 @@ void receive_client_update_packet(struct bat_priv *bat_priv, int are_target = 0; /* clients shall not broadcast. */ - if (is_broadcast_ether_addr(vis_packet->target_orig)) + if (is_bcast(vis_packet->target_orig)) return; /* Are we the target for this VIS packet? */ @@ -746,7 +746,7 @@ static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info) ETH_ALEN); packet->ttl--; - if (is_broadcast_ether_addr(packet->target_orig)) + if (is_bcast(packet->target_orig)) broadcast_vis_packet(bat_priv, info); else unicast_vis_packet(bat_priv, info); -- 1.7.3.2 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
