[dpdk-dev] [PATCH v2 17/20] net/dpaa: prevent multiple mp config on an device
From: Hemant Agrawal <hidden>
Date: 2021-02-11 14:30:25
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Nipun Gupta <redacted> The current driver only support single buffer pool on a given pmd instance. return error, if trying to configure more. Signed-off-by: Nipun Gupta <redacted> --- drivers/mempool/dpaa/dpaa_mempool.c | 1 + drivers/net/dpaa/dpaa_ethdev.c | 6 ++++++ 2 files changed, 7 insertions(+)
diff --git a/drivers/mempool/dpaa/dpaa_mempool.c b/drivers/mempool/dpaa/dpaa_mempool.c
index e6b06f0575..1ee7ffb647 100644
--- a/drivers/mempool/dpaa/dpaa_mempool.c
+++ b/drivers/mempool/dpaa/dpaa_mempool.c@@ -134,6 +134,7 @@ dpaa_mbuf_free_pool(struct rte_mempool *mp) DPAA_MEMPOOL_INFO("BMAN pool freed for bpid =%d", bp_info->bpid); rte_free(mp->pool_data); + bp_info->bp = NULL; mp->pool_data = NULL; } }
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 0996edf9a9..a3a3e7cb24 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c@@ -969,6 +969,12 @@ int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, } } + if (dpaa_intf->bp_info && dpaa_intf->bp_info->bp && + dpaa_intf->bp_info->mp != mp) { + DPAA_PMD_WARN("Multiple pools on same interface not supported"); + return -EINVAL; + } + /* Max packet can fit in single buffer */ if (dev->data->dev_conf.rxmode.max_rx_pkt_len <= buffsz) { ;
--
2.17.1