[dpdk-dev,2/6] bond: removing switch statement from rx burst method
Commit Message
Splitting rx burst function into seperate functions to avoid the need for
a switch statement and also to match the structure of the tx burst functions.
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
lib/librte_pmd_bond/rte_eth_bond_pmd.c | 62 ++++++++++++++++++--------------
1 files changed, 35 insertions(+), 27 deletions(-)
Comments
Reviewed-by: Robert Sanford <rsanford@akamai.com>
>Splitting rx burst function into seperate functions to avoid the need for
>a switch statement and also to match the structure of the tx burst
>functions.
>
>Signed-off-by: Declan Doherty <declan.doherty@intel.com>
>---
> lib/librte_pmd_bond/rte_eth_bond_pmd.c | 62
>++++++++++++++++++--------------
> 1 files changed, 35 insertions(+), 27 deletions(-)
>
>diff --git a/lib/librte_pmd_bond/rte_eth_bond_pmd.c
>b/lib/librte_pmd_bond/rte_eth_bond_pmd.c
>index cd3eecf..683b146 100644
>--- a/lib/librte_pmd_bond/rte_eth_bond_pmd.c
>+++ b/lib/librte_pmd_bond/rte_eth_bond_pmd.c
>@@ -59,33 +59,37 @@ bond_ethdev_rx_burst(void *queue, struct rte_mbuf
>**bufs, uint16_t nb_pkts)
>
> internals = bd_rx_q->dev_private;
>
>- switch (internals->mode) {
>- case BONDING_MODE_ROUND_ROBIN:
>- case BONDING_MODE_BROADCAST:
>- 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
>- * from other slaves */
>- num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
>- bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
>- if (num_rx_slave) {
>- num_rx_total += num_rx_slave;
>- nb_pkts -= num_rx_slave;
>- }
>+ for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
>+ /* Offset of pointer to *bufs increases as packets are received
>+ * from other slaves */
>+ num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
>+ bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
>+ if (num_rx_slave) {
>+ num_rx_total += num_rx_slave;
>+ nb_pkts -= num_rx_slave;
> }
>- break;
>- case BONDING_MODE_ACTIVE_BACKUP:
>- num_rx_slave = rte_eth_rx_burst(internals->current_primary_port,
>- bd_rx_q->queue_id, bufs, nb_pkts);
>- if (num_rx_slave)
>- num_rx_total = num_rx_slave;
>- break;
> }
>+
> return num_rx_total;
> }
>
> static uint16_t
>-bond_ethdev_tx_round_robin(void *queue, struct rte_mbuf **bufs,
>+bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
>+ uint16_t nb_pkts)
>+{
>+ struct bond_dev_private *internals;
>+
>+ /* Cast to structure, containing bonded device's port id and queue id */
>+ struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
>+
>+ internals = bd_rx_q->dev_private;
>+
>+ return rte_eth_rx_burst(internals->current_primary_port,
>+ bd_rx_q->queue_id, bufs, nb_pkts);
>+}
>+
>+static uint16_t
>+bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
> uint16_t nb_pkts)
> {
> struct bond_dev_private *dev_private;
>@@ -134,7 +138,7 @@ bond_ethdev_tx_round_robin(void *queue, struct
>rte_mbuf **bufs,
> }
>
> static uint16_t
>-bond_ethdev_tx_active_backup(void *queue,
>+bond_ethdev_tx_burst_active_backup(void *queue,
> struct rte_mbuf **bufs, uint16_t nb_pkts)
> {
> struct bond_dev_private *internals;
>@@ -270,7 +274,8 @@ xmit_slave_hash(const struct rte_mbuf *buf, uint8_t
>slave_count, uint8_t policy)
> }
>
> static uint16_t
>-bond_ethdev_tx_balance(void *queue, struct rte_mbuf **bufs, uint16_t
>nb_pkts)
>+bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
>+ uint16_t nb_pkts)
> {
> struct bond_dev_private *internals;
> struct bond_tx_queue *bd_tx_q;
>@@ -480,22 +485,25 @@ bond_ethdev_mode_set(struct rte_eth_dev *eth_dev,
>int mode)
>
> switch (mode) {
> case BONDING_MODE_ROUND_ROBIN:
>- eth_dev->tx_pkt_burst = bond_ethdev_tx_round_robin;
>+ eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
>+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
> break;
> case BONDING_MODE_ACTIVE_BACKUP:
>- eth_dev->tx_pkt_burst = bond_ethdev_tx_active_backup;
>+ eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
>+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
> break;
> case BONDING_MODE_BALANCE:
>- eth_dev->tx_pkt_burst = bond_ethdev_tx_balance;
>+ eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
>+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
> break;
> case BONDING_MODE_BROADCAST:
> eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
>+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
> break;
> default:
> return -1;
> }
>
>- eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
> internals->mode = mode;
>
> return 0;
>--
>1.7.0.7
>
@@ -59,33 +59,37 @@ bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
internals = bd_rx_q->dev_private;
- switch (internals->mode) {
- case BONDING_MODE_ROUND_ROBIN:
- case BONDING_MODE_BROADCAST:
- 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
- * from other slaves */
- num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
- bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
- if (num_rx_slave) {
- num_rx_total += num_rx_slave;
- nb_pkts -= num_rx_slave;
- }
+ for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
+ /* Offset of pointer to *bufs increases as packets are received
+ * from other slaves */
+ num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
+ bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
+ if (num_rx_slave) {
+ num_rx_total += num_rx_slave;
+ nb_pkts -= num_rx_slave;
}
- break;
- case BONDING_MODE_ACTIVE_BACKUP:
- num_rx_slave = rte_eth_rx_burst(internals->current_primary_port,
- bd_rx_q->queue_id, bufs, nb_pkts);
- if (num_rx_slave)
- num_rx_total = num_rx_slave;
- break;
}
+
return num_rx_total;
}
static uint16_t
-bond_ethdev_tx_round_robin(void *queue, struct rte_mbuf **bufs,
+bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
+ uint16_t nb_pkts)
+{
+ struct bond_dev_private *internals;
+
+ /* Cast to structure, containing bonded device's port id and queue id */
+ struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
+
+ internals = bd_rx_q->dev_private;
+
+ return rte_eth_rx_burst(internals->current_primary_port,
+ bd_rx_q->queue_id, bufs, nb_pkts);
+}
+
+static uint16_t
+bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
uint16_t nb_pkts)
{
struct bond_dev_private *dev_private;
@@ -134,7 +138,7 @@ bond_ethdev_tx_round_robin(void *queue, struct rte_mbuf **bufs,
}
static uint16_t
-bond_ethdev_tx_active_backup(void *queue,
+bond_ethdev_tx_burst_active_backup(void *queue,
struct rte_mbuf **bufs, uint16_t nb_pkts)
{
struct bond_dev_private *internals;
@@ -270,7 +274,8 @@ xmit_slave_hash(const struct rte_mbuf *buf, uint8_t slave_count, uint8_t policy)
}
static uint16_t
-bond_ethdev_tx_balance(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
+ uint16_t nb_pkts)
{
struct bond_dev_private *internals;
struct bond_tx_queue *bd_tx_q;
@@ -480,22 +485,25 @@ bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode)
switch (mode) {
case BONDING_MODE_ROUND_ROBIN:
- eth_dev->tx_pkt_burst = bond_ethdev_tx_round_robin;
+ eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
break;
case BONDING_MODE_ACTIVE_BACKUP:
- eth_dev->tx_pkt_burst = bond_ethdev_tx_active_backup;
+ eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
break;
case BONDING_MODE_BALANCE:
- eth_dev->tx_pkt_burst = bond_ethdev_tx_balance;
+ eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
break;
case BONDING_MODE_BROADCAST:
eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
+ eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
break;
default:
return -1;
}
- eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
internals->mode = mode;
return 0;