diff options
| author | Allan Stephens <allan.stephens@windriver.com> | 2008-05-09 08:38:24 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-09 08:38:24 +0400 |
| commit | f08269d3ecbb9300aeeb2d4272580f660afe9db9 (patch) | |
| tree | 3f4a0e8e0cfabce35ccb34c268726cd95f0109ba /net/tipc/core.h | |
| parent | e46b66bc42b6b1430b04cc5c207ecb2b2f4553dc (diff) | |
| download | linux-f08269d3ecbb9300aeeb2d4272580f660afe9db9.tar.xz | |
tipc: Increase buffer header to support worst-case device
This patch increases the headroom TIPC reserves in each sk_buff
to accommodate the largest possible link level device header.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/core.h')
| -rw-r--r-- | net/tipc/core.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/net/tipc/core.h b/net/tipc/core.h index 325404fd4eb5..5a0e4878d3b7 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -279,15 +279,14 @@ static inline void k_term_timer(struct timer_list *timer) /* * TIPC message buffer code * - * TIPC message buffer headroom reserves space for a link-level header - * (in case the message is sent off-node), - * while ensuring TIPC header is word aligned for quicker access + * TIPC message buffer headroom reserves space for the worst-case + * link-level device header (in case the message is sent off-node). * - * The largest header currently supported is 18 bytes, which is used when - * the standard 14 byte Ethernet header has 4 added bytes for VLAN info + * Note: Headroom should be a multiple of 4 to ensure the TIPC header fields + * are word aligned for quicker access */ -#define BUF_HEADROOM 20u +#define BUF_HEADROOM LL_MAX_HEADER struct tipc_skb_cb { void *handle; |