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authorJon Maloy <jon.maloy@ericsson.com>2019-06-25 18:08:13 +0200
committerDavid S. Miller <davem@davemloft.net>2019-06-25 13:40:23 -0700
commit20c67312946dd0e152f6c65d6fa93c1b0eedcd80 (patch)
tree7bf66dd17e8cc214fc28c5cae4b475792b17b521 /net/tipc
parent77cf8edbc0e7db6d68d1a49cf954849fb92cfa7c (diff)
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tipc: eliminate unnecessary skb expansion during retransmission
We increase the allocated headroom for the buffer copies to be retransmitted. This eliminates the need for the lower stack levels (UDP/IP/L2) to expand the headroom in order to add their own headers. Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/link.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index af50b53e75d9..aa79bf8ac0aa 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1125,7 +1125,7 @@ static int tipc_link_bc_retrans(struct tipc_link *l, struct tipc_link *r,
continue;
TIPC_SKB_CB(skb)->nxt_retr = jiffies + TIPC_BC_RETR_LIM;
}
- _skb = __pskb_copy(skb, MIN_H_SIZE, GFP_ATOMIC);
+ _skb = __pskb_copy(skb, LL_MAX_HEADER + MIN_H_SIZE, GFP_ATOMIC);
if (!_skb)
return 0;
hdr = buf_msg(_skb);