From edafc132baac4f5331b7bffd99a7af371776f2b5 Mon Sep 17 00:00:00 2001 From: "Palik, Imre" Date: Thu, 19 Mar 2015 11:05:42 +0100 Subject: xen-netback: making the bandwidth limiter runtime settable With the current netback, the bandwidth limiter's parameters are only settable during vif setup time. This patch register a watch on them, and thus makes them runtime changeable. When the watch fires, the timer is reset. The timer's mutex is used for fencing the change. Cc: Anthony Liguori Signed-off-by: Imre Palik Acked-by: Wei Liu Signed-off-by: David S. Miller --- drivers/net/xen-netback/netback.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/net/xen-netback/netback.c') diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index cab9f5257f57..2c25e8e1a91e 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -641,7 +641,7 @@ static void tx_add_credit(struct xenvif_queue *queue) queue->remaining_credit = min(max_credit, max_burst); } -static void tx_credit_callback(unsigned long data) +void xenvif_tx_credit_callback(unsigned long data) { struct xenvif_queue *queue = (struct xenvif_queue *)data; tx_add_credit(queue); @@ -1169,8 +1169,6 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size) if (size > queue->remaining_credit) { queue->credit_timeout.data = (unsigned long)queue; - queue->credit_timeout.function = - tx_credit_callback; mod_timer(&queue->credit_timeout, next_credit); queue->credit_window_start = next_credit; -- cgit v1.2.3-59-g8ed1b