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From: Xueming Li <xuemingl@nvidia.com>
To:
CC: Xiaoyu Min <jackmin@nvidia.com>, <dev@dpdk.org>, <xuemingl@nvidia.com>,
Xiaoyun Li <xiaoyun.li@intel.com>
Date: Wed, 11 Aug 2021 17:04:15 +0300
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Subject: [dpdk-dev] [PATCH v2 13/15] app/testpmd: support shared Rx queue
for macswap fwd
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From: Xiaoyu Min <jackmin@nvidia.com>
Add support of shared rxq.
If shared rxq is enabled, filter packet by stream according
to mbuf->port value and then fwd it in stream basis (as before).
If shared rxq is not enabled, just fwd it as usual in stream basis.
Signed-off-by: Xiaoyu Min <jackmin@nvidia.com>
---
app/test-pmd/macswap.c | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff --git a/app/test-pmd/macswap.c b/app/test-pmd/macswap.c
index 310bca06af..daf7170092 100644
--- a/app/test-pmd/macswap.c
+++ b/app/test-pmd/macswap.c
@@ -50,27 +50,13 @@
* addresses of packets before forwarding them.
*/
static void
-pkt_burst_mac_swap(struct fwd_stream *fs)
+mac_swap_stream(struct fwd_stream *fs, uint16_t nb_rx,
+ struct rte_mbuf **pkts_burst)
{
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_port *txp;
- uint16_t nb_rx;
uint16_t nb_tx;
uint32_t retry;
- uint64_t start_tsc = 0;
-
- get_start_cycles(&start_tsc);
-
- /*
- * Receive a burst of packets and forward them.
- */
- nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
- nb_pkt_per_burst);
- inc_rx_burst_stats(fs, nb_rx);
- if (unlikely(nb_rx == 0))
- return;
- fs->rx_packets += nb_rx;
txp = &ports[fs->tx_port];
do_macswap(pkts_burst, nb_rx, txp);
@@ -95,7 +81,15 @@ pkt_burst_mac_swap(struct fwd_stream *fs)
rte_pktmbuf_free(pkts_burst[nb_tx]);
} while (++nb_tx < nb_rx);
}
- get_end_cycles(fs, start_tsc);
+}
+
+/*
+ * Wrapper of real fwd engine.
+ */
+static void
+pkt_burst_mac_swap(struct fwd_stream *fs)
+{
+ return do_burst_fwd(fs, mac_swap_stream);
}
struct fwd_engine mac_swap_engine = {
--
2.25.1