From mboxrd@z Thu Jan 1 00:00:00 1970 From: Edward Cree Subject: [PATCH v4 net-next 1/9] net: core: trivial netif_receive_skb_list() entry point Date: Mon, 2 Jul 2018 16:12:45 +0100 Message-ID: References: <5bf84d99-8f77-54ee-7543-ada13a730361@solarflare.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: To: Return-path: Received: from dispatch1-us1.ppe-hosted.com ([148.163.129.52]:53142 "EHLO dispatch1-us1.ppe-hosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752075AbeGBPMv (ORCPT ); Mon, 2 Jul 2018 11:12:51 -0400 In-Reply-To: <5bf84d99-8f77-54ee-7543-ada13a730361@solarflare.com> Content-Language: en-GB Sender: netdev-owner@vger.kernel.org List-ID: Just calls netif_receive_skb() in a loop. Signed-off-by: Edward Cree --- include/linux/netdevice.h | 1 + net/core/dev.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c6b377a15869..e104b2e4a735 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3365,6 +3365,7 @@ int netif_rx(struct sk_buff *skb); int netif_rx_ni(struct sk_buff *skb); int netif_receive_skb(struct sk_buff *skb); int netif_receive_skb_core(struct sk_buff *skb); +void netif_receive_skb_list(struct list_head *head); gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb); void napi_gro_flush(struct napi_struct *napi, bool flush_old); struct sk_buff *napi_get_frags(struct napi_struct *napi); diff --git a/net/core/dev.c b/net/core/dev.c index dffed642e686..110c8dfebc01 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4792,6 +4792,25 @@ int netif_receive_skb(struct sk_buff *skb) } EXPORT_SYMBOL(netif_receive_skb); +/** + * netif_receive_skb_list - process many receive buffers from network + * @head: list of skbs to process. + * + * For now, just calls netif_receive_skb() in a loop, ignoring the + * return value. + * + * This function may only be called from softirq context and interrupts + * should be enabled. + */ +void netif_receive_skb_list(struct list_head *head) +{ + struct sk_buff *skb, *next; + + list_for_each_entry_safe(skb, next, head, list) + netif_receive_skb(skb); +} +EXPORT_SYMBOL(netif_receive_skb_list); + DEFINE_PER_CPU(struct work_struct, flush_works); /* Network device is going away, flush any packets still pending */