From f7c11175bdece128c0b4c4a43e6781b9216db4d9 Mon Sep 17 00:00:00 2001 From: Allen Pais Date: Thu, 21 Sep 2017 22:34:47 +0530 Subject: drivers: net: xen-netback: use setup_timer() helper. Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais Signed-off-by: David S. Miller --- drivers/net/xen-netback/interface.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/net/xen-netback/interface.c') diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index ee8ed9da00ad..dcfcb153918c 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -520,8 +520,7 @@ int xenvif_init_queue(struct xenvif_queue *queue) queue->credit_bytes = queue->remaining_credit = ~0UL; queue->credit_usec = 0UL; - init_timer(&queue->credit_timeout); - queue->credit_timeout.function = xenvif_tx_credit_callback; + setup_timer(&queue->credit_timeout, xenvif_tx_credit_callback, 0UL); queue->credit_window_start = get_jiffies_64(); queue->rx_queue_max = XENVIF_RX_QUEUE_BYTES; -- cgit From e1043a4bb9fce6cfc7d55c5767e429a18ac8c4eb Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Mon, 16 Oct 2017 15:20:32 +0200 Subject: xen-netfront, xen-netback: Use correct minimum MTU values RFC791 specifies the minimum MTU to be 68, while xen-net{front|back} drivers use a minimum value of 0. When set MTU to 0~67 with xen_net{front|back} driver, the network will become unreachable immediately, the guest can no longer be pinged. xen_net{front|back} should not allow the user to set this value which causes network problems. Reported-by: Chen Shi Signed-off-by: Mohammed Gamal Acked-by: Wei Liu Reviewed-by: Boris Ostrovsky Signed-off-by: Boris Ostrovsky --- drivers/net/xen-netback/interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/xen-netback/interface.c') diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index ee8ed9da00ad..4491ca5aee90 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -486,7 +486,7 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, dev->tx_queue_len = XENVIF_QUEUE_LENGTH; - dev->min_mtu = 0; + dev->min_mtu = ETH_MIN_MTU; dev->max_mtu = ETH_MAX_MTU - VLAN_ETH_HLEN; /* -- cgit From cac6a8f9017b532b39ecb9a9b040eadf26895035 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 16 Oct 2017 17:29:38 -0700 Subject: net/xen-netback: Convert timers to use timer_setup() In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Wei Liu Cc: Paul Durrant Cc: xen-devel@lists.xenproject.org Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook Signed-off-by: David S. Miller --- drivers/net/xen-netback/interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/xen-netback/interface.c') diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index dcfcb153918c..5cbe0ae55a07 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -520,7 +520,7 @@ int xenvif_init_queue(struct xenvif_queue *queue) queue->credit_bytes = queue->remaining_credit = ~0UL; queue->credit_usec = 0UL; - setup_timer(&queue->credit_timeout, xenvif_tx_credit_callback, 0UL); + timer_setup(&queue->credit_timeout, xenvif_tx_credit_callback, 0); queue->credit_window_start = get_jiffies_64(); queue->rx_queue_max = XENVIF_RX_QUEUE_BYTES; -- cgit