[dpdk-dev] bond: disabling broadcast mode when dpdk is built without RTE_MBUF_REFCNT
Commit Message
Link bonding broadcast mode requires refcnt parameter in the mbuf struct to
allow efficient transmission of duplicated mbufs on slave ports.
This patch disables broadcast mode when the complication option RTE_MBUF_REFCNT
is disabled to allow clean building of the bonding library
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
app/test/test_link_bonding.c | 9 ++++++++-
lib/librte_pmd_bond/rte_eth_bond.h | 3 ++-
lib/librte_pmd_bond/rte_eth_bond_args.c | 2 ++
lib/librte_pmd_bond/rte_eth_bond_pmd.c | 12 ++++++++++++
4 files changed, 24 insertions(+), 2 deletions(-)
Comments
Hi Declan,
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Declan Doherty
> Sent: Wednesday, October 22, 2014 11:29 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] bond: disabling broadcast mode when dpdk is
> built without RTE_MBUF_REFCNT
>
> Link bonding broadcast mode requires refcnt parameter in the mbuf struct to
> allow efficient transmission of duplicated mbufs on slave ports.
>
> This patch disables broadcast mode when the complication option
> RTE_MBUF_REFCNT
> is disabled to allow clean building of the bonding library
>
>
> Signed-off-by: Declan Doherty <declan.doherty@intel.com>
> ---
> app/test/test_link_bonding.c | 9 ++++++++-
> lib/librte_pmd_bond/rte_eth_bond.h | 3 ++-
> lib/librte_pmd_bond/rte_eth_bond_args.c | 2 ++
> lib/librte_pmd_bond/rte_eth_bond_pmd.c | 12 ++++++++++++
> 4 files changed, 24 insertions(+), 2 deletions(-)
>
As suggested by Thomas in my other patch (disable ipv4/v6 fragmentation if RTE_MBUF_REFCNT=n),
it may be useful to include a warning in the link bonding Makefile, letting the user know
that broadcast mode is disabled due to that option not set.
Thanks,
Pablo
@@ -788,7 +788,10 @@ test_set_bonding_mode(void)
int bonding_modes[] = { BONDING_MODE_ROUND_ROBIN,
BONDING_MODE_ACTIVE_BACKUP,
BONDING_MODE_BALANCE,
- BONDING_MODE_BROADCAST };
+#ifdef RTE_MBUF_REFCNT
+ BONDING_MODE_BROADCAST
+#endif
+ };
/* Test supported link bonding modes */
for (i = 0; i < (int)RTE_DIM(bonding_modes); i++) {
@@ -3227,6 +3230,7 @@ test_balance_verify_slave_link_status_change_behaviour(void)
return remove_slaves_and_stop_bonded_device();
}
+#ifdef RTE_MBUF_REFCNT
/** Broadcast Mode Tests */
static int
@@ -3704,6 +3708,7 @@ test_broadcast_verify_slave_link_status_change_behaviour(void)
/* Clean up and remove slaves from bonded device */
return remove_slaves_and_stop_bonded_device();
}
+#endif
static int
test_reconfigure_bonded_device(void)
@@ -3797,11 +3802,13 @@ static struct unit_test_suite link_bonding_test_suite = {
TEST_CASE(test_balance_verify_promiscuous_enable_disable),
TEST_CASE(test_balance_verify_mac_assignment),
TEST_CASE(test_balance_verify_slave_link_status_change_behaviour),
+#ifdef RTE_MBUF_REFCNT
TEST_CASE(test_broadcast_tx_burst),
TEST_CASE(test_broadcast_rx_burst),
TEST_CASE(test_broadcast_verify_promiscuous_enable_disable),
TEST_CASE(test_broadcast_verify_mac_assignment),
TEST_CASE(test_broadcast_verify_slave_link_status_change_behaviour),
+#endif
TEST_CASE(test_reconfigure_bonded_device),
TEST_CASE(test_close_bonded_device),
@@ -71,11 +71,12 @@ extern "C" {
* slaves using one of three available transmit policies - l2, l2+3 or l3+4.
* See BALANCE_XMIT_POLICY macros definitions for further details on transmit
* policies. */
+#ifdef RTE_MBUF_REFCNT
#define BONDING_MODE_BROADCAST (3)
/**< Broadcast (Mode 3).
* In this mode all transmitted packets will be transmitted on all available
* active slaves of the bonded. */
-
+#endif
/* Balance Mode Transmit Policies */
#define BALANCE_XMIT_POLICY_LAYER2 (0)
/**< Layer 2 (Ethernet MAC) */
@@ -169,7 +169,9 @@ bond_ethdev_parse_slave_mode_kvarg(const char *key __rte_unused,
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_ACTIVE_BACKUP:
case BONDING_MODE_BALANCE:
+#ifdef RTE_MBUF_REFCNT
case BONDING_MODE_BROADCAST:
+#endif
return 0;
default:
return -1;
@@ -61,7 +61,9 @@ bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
switch (internals->mode) {
case BONDING_MODE_ROUND_ROBIN:
+#ifdef RTE_MBUF_REFCNT
case BONDING_MODE_BROADCAST:
+#endif
case BONDING_MODE_BALANCE:
for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
/* Offset of pointer to *bufs increases as packets are received
@@ -318,6 +320,7 @@ bond_ethdev_tx_balance(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
return num_tx_total;
}
+#ifdef RTE_MBUF_REFCNT
static uint16_t
bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
uint16_t nb_pkts)
@@ -355,6 +358,7 @@ bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
return num_tx_total;
}
+#endif
void
link_properties_set(struct rte_eth_dev *bonded_eth_dev,
@@ -431,7 +435,9 @@ mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
switch (internals->mode) {
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BALANCE:
+#ifdef RTE_MBUF_REFCNT
case BONDING_MODE_BROADCAST:
+#endif
for (i = 0; i < internals->slave_count; i++) {
if (mac_address_set(&rte_eth_devices[internals->slaves[i]],
bonded_eth_dev->data->mac_addrs)) {
@@ -488,9 +494,11 @@ bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode)
case BONDING_MODE_BALANCE:
eth_dev->tx_pkt_burst = bond_ethdev_tx_balance;
break;
+#ifdef RTE_MBUF_REFCNT
case BONDING_MODE_BROADCAST:
eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
break;
+#endif
default:
return -1;
}
@@ -874,7 +882,9 @@ bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
/* Promiscuous mode is propagated to all slaves */
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BALANCE:
+#ifdef RTE_MBUF_REFCNT
case BONDING_MODE_BROADCAST:
+#endif
for (i = 0; i < internals->slave_count; i++)
rte_eth_promiscuous_enable(internals->slaves[i]);
break;
@@ -898,7 +908,9 @@ bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
/* Promiscuous mode is propagated to all slaves */
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BALANCE:
+#ifdef RTE_MBUF_REFCNT
case BONDING_MODE_BROADCAST:
+#endif
for (i = 0; i < internals->slave_count; i++)
rte_eth_promiscuous_disable(internals->slaves[i]);
break;