From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Charles (Chas) Williams" Subject: [PATCH v2 3/4] net/af_packet: promisicuous support Date: Thu, 5 Jan 2017 08:53:43 -0500 Message-ID: <1483624424-2806-3-git-send-email-ciwillia@brocade.com> References: <1483624424-2806-1-git-send-email-ciwillia@brocade.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , "Charles (Chas) Williams" To: Return-path: Received: from mx0a-000f0801.pphosted.com (mx0a-000f0801.pphosted.com [67.231.144.122]) by dpdk.org (Postfix) with ESMTP id B398D5A44 for ; Thu, 5 Jan 2017 14:54:01 +0100 (CET) In-Reply-To: <1483624424-2806-1-git-send-email-ciwillia@brocade.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add promiscuous support to the AF_PACKET PMD. The underlying linux device's IF_PROMISC flag is toggled to enable or disable. Signed-off-by: Charles (Chas) Williams --- drivers/net/af_packet/rte_eth_af_packet.c | 39 +++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c index a700b96..6aa8132 100644 --- a/drivers/net/af_packet/rte_eth_af_packet.c +++ b/drivers/net/af_packet/rte_eth_af_packet.c @@ -440,6 +440,43 @@ eth_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) return 0; } +static void +eth_dev_change_flags(char *if_name, uint32_t flags, uint32_t mask) +{ + struct ifreq ifr; + int s; + + s = socket(PF_INET, SOCK_DGRAM, 0); + if (s < 0) + return; + + strncpy(ifr.ifr_name, if_name, IFNAMSIZ); + if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) + goto out; + ifr.ifr_flags &= mask; + ifr.ifr_flags |= flags; + if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) + goto out; +out: + close(s); +} + +static void +eth_dev_promiscuous_enable(struct rte_eth_dev *dev) +{ + struct pmd_internals *internals = dev->data->dev_private; + + eth_dev_change_flags(internals->if_name, IFF_PROMISC, ~0); +} + +static void +eth_dev_promiscuous_disable(struct rte_eth_dev *dev) +{ + struct pmd_internals *internals = dev->data->dev_private; + + eth_dev_change_flags(internals->if_name, 0, ~IFF_PROMISC); +} + static const struct eth_dev_ops ops = { .dev_start = eth_dev_start, .dev_stop = eth_dev_stop, @@ -447,6 +484,8 @@ static const struct eth_dev_ops ops = { .dev_configure = eth_dev_configure, .dev_infos_get = eth_dev_info, .mtu_set = eth_dev_mtu_set, + .promiscuous_enable = eth_dev_promiscuous_enable, + .promiscuous_disable = eth_dev_promiscuous_disable, .rx_queue_setup = eth_rx_queue_setup, .tx_queue_setup = eth_tx_queue_setup, .rx_queue_release = eth_queue_release, -- 2.1.4