From: Vignesh PS <vignesh.purushotham.srini...@ericsson.com>

Add support to bonding PMD to allow user callback
function registration for TX transmit policy.

Signed-off-by: Vignesh PS <vignesh.purushotham.srini...@ericsson.com>
---
 .mailmap                                |  1 +
 drivers/net/bonding/eth_bond_private.h  |  6 ++----
 drivers/net/bonding/rte_eth_bond.h      | 17 +++++++++++++++++
 drivers/net/bonding/rte_eth_bond_api.c  | 15 +++++++++++++++
 drivers/net/bonding/rte_eth_bond_args.c |  2 ++
 drivers/net/bonding/rte_eth_bond_pmd.c  |  2 +-
 drivers/net/bonding/version.map         |  1 +
 7 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/.mailmap b/.mailmap
index 4a508bafad..69b229a5b7 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1548,6 +1548,7 @@ Viacheslav Ovsiienko <viachesl...@nvidia.com> 
<viachesl...@mellanox.com>
 Victor Kaplansky <vict...@redhat.com>
 Victor Raj <victor....@intel.com>
 Vidya Sagar Velumuri <vvelum...@marvell.com>
+Vignesh PS <vignesh.purushotham.srini...@ericsson.com> 
<vig.vigneshps1...@gmail.com>
 Vignesh Sridhar <vignesh.srid...@intel.com>
 Vijayakumar Muthuvel Manickam <mmvi...@gmail.com>
 Vijaya Mohan Guvva <vijay1...@gmail.com>
diff --git a/drivers/net/bonding/eth_bond_private.h 
b/drivers/net/bonding/eth_bond_private.h
index e688894210..4141b6e09f 100644
--- a/drivers/net/bonding/eth_bond_private.h
+++ b/drivers/net/bonding/eth_bond_private.h
@@ -32,6 +32,7 @@
 #define PMD_BOND_XMIT_POLICY_LAYER2_KVARG      ("l2")
 #define PMD_BOND_XMIT_POLICY_LAYER23_KVARG     ("l23")
 #define PMD_BOND_XMIT_POLICY_LAYER34_KVARG     ("l34")
+#define PMD_BOND_XMIT_POLICY_USER_KVARG        ("user")
 
 extern int bond_logtype;
 
@@ -101,9 +102,6 @@ struct rte_flow {
        uint8_t rule_data[];
 };
 
-typedef void (*burst_xmit_hash_t)(struct rte_mbuf **buf, uint16_t nb_pkts,
-               uint16_t member_count, uint16_t *members);
-
 /** Link Bonding PMD device private configuration Structure */
 struct bond_dev_private {
        uint16_t port_id;                       /**< Port Id of Bonding Port */
@@ -118,7 +116,7 @@ struct bond_dev_private {
        /**< Flag for whether primary port is user defined or not */
 
        uint8_t balance_xmit_policy;
-       /**< Transmit policy - l2 / l23 / l34 for operation in balance mode */
+       /**< Transmit policy - l2 / l23 / l34 / user for operation in balance 
mode */
        burst_xmit_hash_t burst_xmit_hash;
        /**< Transmit policy hash function */
 
diff --git a/drivers/net/bonding/rte_eth_bond.h 
b/drivers/net/bonding/rte_eth_bond.h
index f10165f2c6..66bc41097a 100644
--- a/drivers/net/bonding/rte_eth_bond.h
+++ b/drivers/net/bonding/rte_eth_bond.h
@@ -91,6 +91,11 @@ extern "C" {
 /**< Layer 2+3 (Ethernet MAC + IP Addresses) transmit load balancing */
 #define BALANCE_XMIT_POLICY_LAYER34            (2)
 /**< Layer 3+4 (IP Addresses + UDP Ports) transmit load balancing */
+#define BALANCE_XMIT_POLICY_USER               (3)
+/**< User callback function to transmit load balancing */
+
+typedef void (*burst_xmit_hash_t)(struct rte_mbuf **buf, uint16_t nb_pkts,
+       uint16_t slave_count, uint16_t *slaves);
 
 /**
  * Create a bonding rte_eth_dev device
@@ -351,6 +356,18 @@ rte_eth_bond_link_up_prop_delay_set(uint16_t 
bonding_port_id,
 int
 rte_eth_bond_link_up_prop_delay_get(uint16_t bonding_port_id);
 
+/**
+ * Register transmit callback function for bonded device to use when it is 
operating in
+ * balance mode. The callback is ignored in other modes of operation.
+ *
+ * @param cb_fn           User defined callback function to determine the xmit 
slave
+ *
+ * @return
+ *     0 on success, negative value otherwise.
+ */
+__rte_experimental
+int
+rte_eth_bond_xmit_policy_cb_register(burst_xmit_hash_t cb_fn);
 
 #ifdef __cplusplus
 }
diff --git a/drivers/net/bonding/rte_eth_bond_api.c 
b/drivers/net/bonding/rte_eth_bond_api.c
index 99e496556a..b53038eeda 100644
--- a/drivers/net/bonding/rte_eth_bond_api.c
+++ b/drivers/net/bonding/rte_eth_bond_api.c
@@ -15,6 +15,8 @@
 #include "eth_bond_private.h"
 #include "eth_bond_8023ad_private.h"
 
+static burst_xmit_hash_t burst_xmit_user_hash;
+
 int
 check_for_bonding_ethdev(const struct rte_eth_dev *eth_dev)
 {
@@ -972,6 +974,13 @@ rte_eth_bond_mac_address_reset(uint16_t bonding_port_id)
        return 0;
 }
 
+int
+rte_eth_bond_xmit_policy_cb_register(burst_xmit_hash_t cb_fn)
+{
+       burst_xmit_user_hash = cb_fn;
+       return 0;
+}
+
 int
 rte_eth_bond_xmit_policy_set(uint16_t bonding_port_id, uint8_t policy)
 {
@@ -995,6 +1004,12 @@ rte_eth_bond_xmit_policy_set(uint16_t bonding_port_id, 
uint8_t policy)
                internals->balance_xmit_policy = policy;
                internals->burst_xmit_hash = burst_xmit_l34_hash;
                break;
+       case BALANCE_XMIT_POLICY_USER:
+               if (burst_xmit_user_hash == NULL)
+                       return -1;
+               internals->balance_xmit_policy = policy;
+               internals->burst_xmit_hash = burst_xmit_user_hash;
+               break;
 
        default:
                return -1;
diff --git a/drivers/net/bonding/rte_eth_bond_args.c 
b/drivers/net/bonding/rte_eth_bond_args.c
index bdec5d61d4..eaa313bf73 100644
--- a/drivers/net/bonding/rte_eth_bond_args.c
+++ b/drivers/net/bonding/rte_eth_bond_args.c
@@ -261,6 +261,8 @@ bond_ethdev_parse_balance_xmit_policy_kvarg(const char *key 
__rte_unused,
                *xmit_policy = BALANCE_XMIT_POLICY_LAYER23;
        else if (strcmp(PMD_BOND_XMIT_POLICY_LAYER34_KVARG, value) == 0)
                *xmit_policy = BALANCE_XMIT_POLICY_LAYER34;
+       else if (strcmp(PMD_BOND_XMIT_POLICY_USER_KVARG, value) == 0)
+               *xmit_policy = BALANCE_XMIT_POLICY_USER;
        else
                return -1;
 
diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c 
b/drivers/net/bonding/rte_eth_bond_pmd.c
index c40d18d128..92b0126a6d 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -4251,7 +4251,7 @@ RTE_PMD_REGISTER_PARAM_STRING(net_bonding,
        "member=<ifc> "
        "primary=<ifc> "
        "mode=[0-6] "
-       "xmit_policy=[l2 | l23 | l34] "
+       "xmit_policy=[l2 | l23 | l34 | user] "
        "agg_mode=[count | stable | bandwidth] "
        "socket_id=<int> "
        "mac=<mac addr> "
diff --git a/drivers/net/bonding/version.map b/drivers/net/bonding/version.map
index a309469b1f..f407bb0ace 100644
--- a/drivers/net/bonding/version.map
+++ b/drivers/net/bonding/version.map
@@ -35,4 +35,5 @@ EXPERIMENTAL {
        rte_eth_bond_member_add;
        rte_eth_bond_member_remove;
        rte_eth_bond_members_get;
+       rte_eth_bond_xmit_policy_cb_register;
 };
-- 
2.34.1

Reply via email to