diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xpnet.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpnet.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c index 4f5d62230116..71513b3af708 100644 --- a/drivers/misc/sgi-xp/xpnet.c +++ b/drivers/misc/sgi-xp/xpnet.c @@ -57,11 +57,10 @@ struct xpnet_message { * * XPC expects each message to exist in an individual cacheline. */ -#define XPNET_MSG_SIZE (L1_CACHE_BYTES - XPC_MSG_PAYLOAD_OFFSET) +#define XPNET_MSG_SIZE XPC_MSG_PAYLOAD_MAX_SIZE #define XPNET_MSG_DATA_MAX \ - (XPNET_MSG_SIZE - (u64)(&((struct xpnet_message *)0)->data)) -#define XPNET_MSG_ALIGNED_SIZE (L1_CACHE_ALIGN(XPNET_MSG_SIZE)) -#define XPNET_MSG_NENTRIES (PAGE_SIZE / XPNET_MSG_ALIGNED_SIZE) + (XPNET_MSG_SIZE - offsetof(struct xpnet_message, data)) +#define XPNET_MSG_NENTRIES (PAGE_SIZE / XPC_MSG_MAX_SIZE) #define XPNET_MAX_KTHREADS (XPNET_MSG_NENTRIES + 1) #define XPNET_MAX_IDLE_KTHREADS (XPNET_MSG_NENTRIES + 1) @@ -408,6 +407,7 @@ xpnet_send(struct sk_buff *skb, struct xpnet_pending_msg *queued_msg, { u8 msg_buffer[XPNET_MSG_SIZE]; struct xpnet_message *msg = (struct xpnet_message *)&msg_buffer; + u16 msg_size = sizeof(struct xpnet_message); enum xp_retval ret; msg->embedded_bytes = embedded_bytes; @@ -417,6 +417,7 @@ xpnet_send(struct sk_buff *skb, struct xpnet_pending_msg *queued_msg, &msg->data, skb->data, (size_t)embedded_bytes); skb_copy_from_linear_data(skb, &msg->data, (size_t)embedded_bytes); + msg_size += embedded_bytes - 1; } else { msg->version = XPNET_VERSION; } @@ -435,7 +436,7 @@ xpnet_send(struct sk_buff *skb, struct xpnet_pending_msg *queued_msg, atomic_inc(&queued_msg->use_count); ret = xpc_send_notify(dest_partid, XPC_NET_CHANNEL, XPC_NOWAIT, msg, - XPNET_MSG_SIZE, xpnet_send_completed, queued_msg); + msg_size, xpnet_send_completed, queued_msg); if (unlikely(ret != xpSuccess)) atomic_dec(&queued_msg->use_count); } |