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Commit 20c67312 authored by Jon Maloy's avatar Jon Maloy Committed by David S. Miller
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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: default avatarJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 77cf8edb

net/tipc/link.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -1125,7 +1125,7 @@ static int tipc_link_bc_retrans(struct tipc_link *l, struct tipc_link *r, 
				continue;

				continue;

			TIPC_SKB_CB(skb)->nxt_retr = jiffies + TIPC_BC_RETR_LIM;

			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)

		if (!_skb)

			return 0;

			return 0;

		hdr = buf_msg(_skb);

		hdr = buf_msg(_skb);