From: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Date: Sat, 25 Mar 2017 06:24:48 +0000 (+0530)
Subject: net/liquidio: add APIs to enable and disable multicast
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=59a71cf7ec9c6829bc426700a2e7a4bdb999506d

net/liquidio: add APIs to enable and disable multicast

Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
---

diff --git a/doc/guides/nics/features/liquidio.ini b/doc/guides/nics/features/liquidio.ini
index 876084912f..11e5df3d04 100644
--- a/doc/guides/nics/features/liquidio.ini
+++ b/doc/guides/nics/features/liquidio.ini
@@ -8,6 +8,7 @@ Link status          = Y
 Link status event    = Y
 Jumbo frame          = Y
 Scattered Rx         = Y
+Allmulticast mode    = Y
 RSS hash             = Y
 RSS key update       = Y
 RSS reta update      = Y
diff --git a/drivers/net/liquidio/base/lio_hw_defs.h b/drivers/net/liquidio/base/lio_hw_defs.h
index 3ea2e0f7e5..781e929432 100644
--- a/drivers/net/liquidio/base/lio_hw_defs.h
+++ b/drivers/net/liquidio/base/lio_hw_defs.h
@@ -130,6 +130,7 @@ enum octeon_tag_type {
 #define LIO_MAX_RX_PKTLEN		(64 * 1024)
 
 /* NIC Command types */
+#define LIO_CMD_CHANGE_DEVFLAGS		0x3
 #define LIO_CMD_RX_CTL			0x4
 #define LIO_CMD_SET_RSS			0xD
 
@@ -165,6 +166,7 @@ enum octeon_tag_type {
 
 /* Interface flags communicated between host driver and core app. */
 enum lio_ifflags {
+	LIO_IFFLAG_ALLMULTI	= 0x02,
 	LIO_IFFLAG_UNICAST	= 0x10
 };
 
diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 560f1957a3..ab97977209 100644
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -522,6 +522,72 @@ lio_dev_link_update(struct rte_eth_dev *eth_dev,
 	return 0;
 }
 
+/**
+ * \brief Net device enable, disable allmulticast
+ * @param eth_dev Pointer to the structure rte_eth_dev
+ */
+static void
+lio_change_dev_flag(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	/* Create a ctrl pkt command to be sent to core app. */
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_CHANGE_DEVFLAGS;
+	ctrl_pkt.ncmd.s.param1 = lio_dev->ifflags;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send change flag message\n");
+		return;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
+		lio_dev_err(lio_dev, "Change dev flag command timed out\n");
+}
+
+static void
+lio_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't enable multicast\n",
+			    lio_dev->port_id);
+		return;
+	}
+
+	lio_dev->ifflags |= LIO_IFFLAG_ALLMULTI;
+	lio_change_dev_flag(eth_dev);
+}
+
+static void
+lio_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't disable multicast\n",
+			    lio_dev->port_id);
+		return;
+	}
+
+	lio_dev->ifflags &= ~LIO_IFFLAG_ALLMULTI;
+	lio_change_dev_flag(eth_dev);
+}
+
 static void
 lio_dev_rss_configure(struct rte_eth_dev *eth_dev)
 {
@@ -1078,6 +1144,8 @@ nic_config_fail:
 static const struct eth_dev_ops liovf_eth_dev_ops = {
 	.dev_configure		= lio_dev_configure,
 	.dev_start		= lio_dev_start,
+	.allmulticast_enable	= lio_dev_allmulticast_enable,
+	.allmulticast_disable	= lio_dev_allmulticast_disable,
 	.link_update		= lio_dev_link_update,
 	.dev_infos_get		= lio_dev_info_get,
 	.rx_queue_setup		= lio_dev_rx_queue_setup,