aboutsummaryrefslogtreecommitdiffstats
path: root/net/batman-adv/fragmentation.c
diff options
context:
space:
mode:
authorSimon Wunderlich <sw@simonwunderlich.de>2013-12-02 20:38:31 +0100
committerAntonio Quartulli <antonio@meshcoding.com>2013-12-28 12:51:16 +0100
commita40d9b075c21f06872de3f05cc2eb3d06665e2ff (patch)
tree85aefae654246aa4f89e046bb0bca6b5b85b76f6 /net/batman-adv/fragmentation.c
parent46b76e0b8b5e21fa5a2387d6f72b193514e7f722 (diff)
batman-adv: fix header alignment by unrolling batadv_header
The size of the batadv_header of 3 is problematic on some architectures which automatically pad all structures to a 32 bit boundary. To not lose performance by packing this struct, better embed it into the various host structures. Reported-by: Russell King <linux@arm.linux.org.uk> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Diffstat (limited to 'net/batman-adv/fragmentation.c')
-rw-r--r--net/batman-adv/fragmentation.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 271d321b3a04..6ddb6145ffb5 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -355,7 +355,7 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb,
batadv_add_counter(bat_priv, BATADV_CNT_FRAG_FWD_BYTES,
skb->len + ETH_HLEN);
- packet->header.ttl--;
+ packet->ttl--;
batadv_send_skb_packet(skb, neigh_node->if_incoming,
neigh_node->addr);
ret = true;
@@ -444,9 +444,9 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
goto out_err;
/* Create one header to be copied to all fragments */
- frag_header.header.packet_type = BATADV_UNICAST_FRAG;
- frag_header.header.version = BATADV_COMPAT_VERSION;
- frag_header.header.ttl = BATADV_TTL;
+ frag_header.packet_type = BATADV_UNICAST_FRAG;
+ frag_header.version = BATADV_COMPAT_VERSION;
+ frag_header.ttl = BATADV_TTL;
frag_header.seqno = htons(atomic_inc_return(&bat_priv->frag_seqno));
frag_header.reserved = 0;
frag_header.no = 0;

Privacy Policy