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net/af_xdp: fix error handling during Rx queue setup

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Prior to this commit, if rte_pktmbuf_alloc_bullk failed during rx queue
setup the error was not returned to the user and they may incorrectly
assume that the rx queue had been successfully set up. This commit ensures
that the error is returned to the user.

Bugzilla ID: 643
Fixes: d8a210774e1d ("net/af_xdp: support unaligned umem chunks")
Cc: stable@dpdk.org

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
This commit is contained in:
Ciara Loftus 2021-03-01 10:34:13 +00:00 committed by Ferruh Yigit
parent 05cc6e3396
commit 8312680223
1 changed files with 2 additions and 1 deletions
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3
drivers/net/af_xdp/rte_eth_af_xdp.c
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@ -1145,7 +1145,8 @@ xsk_configure(struct pmd_internals *internals, struct pkt_rx_queue *rxq,
}
#if defined(XDP_UMEM_UNALIGNED_CHUNK_FLAG)
if (rte_pktmbuf_alloc_bulk(rxq->umem->mb_pool, fq_bufs, reserve_size)) {
ret = rte_pktmbuf_alloc_bulk(rxq->umem->mb_pool, fq_bufs, reserve_size);
if (ret) {
AF_XDP_LOG(DEBUG, "Failed to get enough buffers for fq.\n");
goto err;
}