[dpdk-dev] [PATCH v1 2/2] net/af_xdp: name the umem memzone dynamically

[Xiaolong Ye]

Naming the umem memzone dynamically allows to create multiple af_xdp vdevs.

Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")

Reported-by: Markus Theil <markus.th...@tu-ilmenau.de>
Signed-off-by: Xiaolong Ye <xiaolong...@intel.com>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c 
b/drivers/net/af_xdp/rte_eth_af_xdp.c
index d8e99204e..666b4c17e 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -483,6 +483,7 @@ xsk_umem_info *xdp_umem_configure(struct pmd_internals 
*internals)
                .frame_size = ETH_AF_XDP_FRAME_SIZE,
                .frame_headroom = ETH_AF_XDP_DATA_HEADROOM };
        char ring_name[RTE_RING_NAMESIZE];
+       char mz_name[RTE_MEMZONE_NAMESIZE];
        int ret;
        uint64_t i;
 
@@ -508,7 +509,9 @@ xsk_umem_info *xdp_umem_configure(struct pmd_internals 
*internals)
                                 (void *)(i * ETH_AF_XDP_FRAME_SIZE +
                                          ETH_AF_XDP_DATA_HEADROOM));
 
-       mz = rte_memzone_reserve_aligned("af_xdp uemem",
+       ret = snprintf(mz_name, sizeof(mz_name), "af_xdp_umem_%s_%d",
+                      internals->if_name, internals->queue_idx);
+       mz = rte_memzone_reserve_aligned(mz_name,
                        ETH_AF_XDP_NUM_BUFFERS * ETH_AF_XDP_FRAME_SIZE,
                        rte_socket_id(), RTE_MEMZONE_IOVA_CONTIG,
                        getpagesize());
-- 
2.17.1