diff options
Diffstat (limited to 'net/tipc/link.c')
-rw-r--r-- | net/tipc/link.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c index e7bb4cbb7716..fb72031228c9 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -44,6 +44,7 @@ #include "netlink.h" #include "monitor.h" #include "trace.h" +#include "crypto.h" #include <linux/pkt_sched.h> @@ -397,6 +398,15 @@ int tipc_link_mtu(struct tipc_link *l) return l->mtu; } +int tipc_link_mss(struct tipc_link *l) +{ +#ifdef CONFIG_TIPC_CRYPTO + return l->mtu - INT_H_SIZE - EMSG_OVERHEAD; +#else + return l->mtu - INT_H_SIZE; +#endif +} + u16 tipc_link_rcv_nxt(struct tipc_link *l) { return l->rcv_nxt; @@ -948,6 +958,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list, u16 seqno = l->snd_nxt; int pkt_cnt = skb_queue_len(list); int imp = msg_importance(hdr); + unsigned int mss = tipc_link_mss(l); unsigned int maxwin = l->window; unsigned int mtu = l->mtu; bool new_bundle; @@ -1000,8 +1011,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list, continue; } if (tipc_msg_try_bundle(l->backlog[imp].target_bskb, &skb, - mtu - INT_H_SIZE, l->addr, - &new_bundle)) { + mss, l->addr, &new_bundle)) { if (skb) { /* Keep a ref. to the skb for next try */ l->backlog[imp].target_bskb = skb; @@ -1154,7 +1164,7 @@ static int tipc_link_bc_retrans(struct tipc_link *l, struct tipc_link *r, if (time_before(jiffies, TIPC_SKB_CB(skb)->nxt_retr)) continue; TIPC_SKB_CB(skb)->nxt_retr = TIPC_BC_RETR_LIM; - _skb = __pskb_copy(skb, LL_MAX_HEADER + MIN_H_SIZE, GFP_ATOMIC); + _skb = pskb_copy(skb, GFP_ATOMIC); if (!_skb) return 0; hdr = buf_msg(_skb); @@ -1430,8 +1440,7 @@ next_gap_ack: if (time_before(jiffies, TIPC_SKB_CB(skb)->nxt_retr)) continue; TIPC_SKB_CB(skb)->nxt_retr = TIPC_UC_RETR_TIME; - _skb = __pskb_copy(skb, LL_MAX_HEADER + MIN_H_SIZE, - GFP_ATOMIC); + _skb = pskb_copy(skb, GFP_ATOMIC); if (!_skb) continue; hdr = buf_msg(_skb); |