| Message ID | 1561478893-31371-1-git-send-email-jon.maloy@ericsson.com |
|---|---|
| State | Accepted |
| Delegated to: | David Miller |
| Headers | show |
| Series | [net-next,1/1] tipc: eliminate unnecessary skb expansion during retransmission | expand |
From: Jon Maloy <jon.maloy@ericsson.com> Date: Tue, 25 Jun 2019 18:08:13 +0200 > 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> Applied.
diff --git a/net/tipc/link.c b/net/tipc/link.c index af50b53..aa79bf8 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);
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> --- net/tipc/link.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)