net/liquidio: support promiscuous mode

Signed-off-by: Intiyaz Basha <intiyaz.basha@caviumnetworks.com>
Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>

diff --git a/doc/guides/nics/features/liquidio.ini b/doc/guides/nics/features/liquidio.ini
index d673d7a..f628b76 100644 (file)
--- a/doc/guides/nics/features/liquidio.ini
+++ b/doc/guides/nics/features/liquidio.ini
@@ -10,6 +10,7 @@ Link status event    = Y
 MTU update           = Y
 Jumbo frame          = Y
 Scattered Rx         = Y
+Promiscuous mode     = Y
 Allmulticast mode    = Y
 RSS hash             = Y
 RSS key update       = Y

diff --git a/doc/guides/nics/liquidio.rst b/doc/guides/nics/liquidio.rst
index f04cb16..4ccde0c 100644 (file)
--- a/doc/guides/nics/liquidio.rst
+++ b/doc/guides/nics/liquidio.rst
@@ -195,6 +195,14 @@ This section provides instructions to configure SR-IOV with Linux OS.
       Done
       testpmd>
 
+#. Enabling VF promiscuous mode
+
+   One VF per PF can be marked as trusted for promiscuous mode.
+
+   .. code-block:: console
+
+      ip link set dev <PF iface> vf <VF id> trust on
+
 
 Limitations
 -----------

diff --git a/drivers/net/liquidio/base/lio_hw_defs.h b/drivers/net/liquidio/base/lio_hw_defs.h
index 8713519..c7f97f2 100644 (file)
--- a/drivers/net/liquidio/base/lio_hw_defs.h
+++ b/drivers/net/liquidio/base/lio_hw_defs.h
@@ -106,6 +106,8 @@ enum lio_card_type {
 
 #define LIO_FW_VERSION_LENGTH          32
 
+#define LIO_VF_TRUST_MIN_VERSION       "1.7.1"
+
 /** Tag types used by Octeon cores in its work. */
 enum octeon_tag_type {
        OCTEON_ORDERED_TAG      = 0,
@@ -185,6 +187,7 @@ enum octeon_tag_type {
 
 /* Interface flags communicated between host driver and core app. */
 enum lio_ifflags {
+       LIO_IFFLAG_PROMISC      = 0x01,
        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 5407e39..239f6af 100644 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -1048,6 +1048,48 @@ lio_change_dev_flag(struct rte_eth_dev *eth_dev)
                lio_dev_err(lio_dev, "Change dev flag command timed out\n");
 }
 
+static void
+lio_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
+{
+       struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+       if (strcmp(lio_dev->firmware_version, LIO_VF_TRUST_MIN_VERSION) < 0) {
+               lio_dev_err(lio_dev, "Require firmware version >= %s\n",
+                           LIO_VF_TRUST_MIN_VERSION);
+               return;
+       }
+
+       if (!lio_dev->intf_open) {
+               lio_dev_err(lio_dev, "Port %d down, can't enable promiscuous\n",
+                           lio_dev->port_id);
+               return;
+       }
+
+       lio_dev->ifflags |= LIO_IFFLAG_PROMISC;
+       lio_change_dev_flag(eth_dev);
+}
+
+static void
+lio_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
+{
+       struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+       if (strcmp(lio_dev->firmware_version, LIO_VF_TRUST_MIN_VERSION) < 0) {
+               lio_dev_err(lio_dev, "Require firmware version >= %s\n",
+                           LIO_VF_TRUST_MIN_VERSION);
+               return;
+       }
+
+       if (!lio_dev->intf_open) {
+               lio_dev_err(lio_dev, "Port %d down, can't disable promiscuous\n",
+                           lio_dev->port_id);
+               return;
+       }
+
+       lio_dev->ifflags &= ~LIO_IFFLAG_PROMISC;
+       lio_change_dev_flag(eth_dev);
+}
+
 static void
 lio_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 {
@@ -1748,6 +1790,9 @@ static int lio_dev_configure(struct rte_eth_dev *eth_dev)
                goto nic_config_fail;
        }
 
+       snprintf(lio_dev->firmware_version, LIO_FW_VERSION_LENGTH, "%s",
+                resp->cfg_info.lio_firmware_version);
+
        lio_swap_8B_data((uint64_t *)(&resp->cfg_info),
                         sizeof(struct octeon_if_cfg_info) >> 3);
 
@@ -1851,6 +1896,8 @@ static const struct eth_dev_ops liovf_eth_dev_ops = {
        .dev_set_link_up        = lio_dev_set_link_up,
        .dev_set_link_down      = lio_dev_set_link_down,
        .dev_close              = lio_dev_close,
+       .promiscuous_enable     = lio_dev_promiscuous_enable,
+       .promiscuous_disable    = lio_dev_promiscuous_disable,
        .allmulticast_enable    = lio_dev_allmulticast_enable,
        .allmulticast_disable   = lio_dev_allmulticast_disable,
        .link_update            = lio_dev_link_update,

diff --git a/drivers/net/liquidio/lio_struct.h b/drivers/net/liquidio/lio_struct.h
index d9cbf00..635e47f 100644 (file)
--- a/drivers/net/liquidio/lio_struct.h
+++ b/drivers/net/liquidio/lio_struct.h
@@ -685,5 +685,6 @@ struct lio_device {
        uint8_t port_configured;
        struct lio_rss_ctx rss_state;
        uint8_t port_id;
+       char firmware_version[LIO_FW_VERSION_LENGTH];
 };
 #endif /* _LIO_STRUCT_H_ */