[RFC] net/bonding: add user callback for bond xmit policy
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Commit Message
From: Vignesh PS <vignesh.purushotham.srinivas@ericsson.com>
Add support to bonding PMD to allow user callback
function registration for TX transmit policy.
Signed-off-by: Vignesh PS <vignesh.purushotham.srinivas@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(-)
@@ -1476,6 +1476,7 @@ Viacheslav Ovsiienko <viacheslavo@nvidia.com> <viacheslavo@mellanox.com>
Victor Kaplansky <victork@redhat.com>
Victor Raj <victor.raj@intel.com>
Vidya Sagar Velumuri <vvelumuri@marvell.com>
+Vignesh PS <vignesh.purushotham.srinivas@ericsson.com> <vig.vigneshps1995@gmail.com>
Vignesh Sridhar <vignesh.sridhar@intel.com>
Vijayakumar Muthuvel Manickam <mmvijay@gmail.com>
Vijaya Mohan Guvva <vijay1054@gmail.com>
@@ -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 */
@@ -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
}
@@ -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;
@@ -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;
@@ -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> "
@@ -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;
};