MAX_H_SIZE
#define TIPC_MIN_BEARER_MTU (MAX_H_SIZE + INT_H_SIZE)
skb = tipc_buf_acquire(MAX_H_SIZE + NODE_ID_LEN, GFP_ATOMIC);
d->skb = tipc_buf_acquire(MAX_H_SIZE + NODE_ID_LEN, GFP_ATOMIC);
MAX_H_SIZE, dest_domain);
msg_set_size(hdr, MAX_H_SIZE + NODE_ID_LEN);
#define ADV_UNIT (((MAX_MSG_SIZE + MAX_H_SIZE) / FLOWCTL_BLK_SZ) + 1)
if (unlikely(hsz < MIN_H_SIZE) || (hsz > MAX_H_SIZE))
#define MAX_MSG_SIZE (MAX_H_SIZE + TIPC_MAX_USER_MSG_SIZE)