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ixgbe: fix endianness of ring descriptor access

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Use the rte_le_to_cpu_xx()/rte_cpu_to_le_xx() when reading/setting HW ring
descriptor fields.
Fixed the above in ixgbe_rx_alloc_bufs() and in ixgbe_recv_scattered_pkts().

Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Vlad Zolotarov 2015-03-12 23:17:30 +02:00 committed by Thomas Monjalon
parent 9fc985ae9d
commit d07fb25860
1 changed files with 7 additions and 6 deletions
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13
lib/librte_pmd_ixgbe/ixgbe_rxtx.c
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@ -1027,7 +1027,7 @@ ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq)
struct ixgbe_rx_entry *rxep;
struct rte_mbuf *mb;
uint16_t alloc_idx;
uint64_t dma_addr;
__le64 dma_addr;
int diag, i;
/* allocate buffers in bulk directly into the S/W ring */
@ -1050,7 +1050,7 @@ ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq)
mb->port = rxq->port_id;
/* populate the descriptors */
dma_addr = (uint64_t)mb->buf_physaddr + RTE_PKTMBUF_HEADROOM;
dma_addr = rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb));
rxdp[i].read.hdr_addr = dma_addr;
rxdp[i].read.pkt_addr = dma_addr;
}
@ -1558,13 +1558,14 @@ ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
first_seg->ol_flags = pkt_flags;
if (likely(pkt_flags & PKT_RX_RSS_HASH))
first_seg->hash.rss = rxd.wb.lower.hi_dword.rss;
first_seg->hash.rss =
rte_le_to_cpu_32(rxd.wb.lower.hi_dword.rss);
else if (pkt_flags & PKT_RX_FDIR) {
first_seg->hash.fdir.hash =
(uint16_t)((rxd.wb.lower.hi_dword.csum_ip.csum)
& IXGBE_ATR_HASH_MASK);
rte_le_to_cpu_16(rxd.wb.lower.hi_dword.csum_ip.csum)
& IXGBE_ATR_HASH_MASK;
first_seg->hash.fdir.id =
rxd.wb.lower.hi_dword.csum_ip.ip_id;
rte_le_to_cpu_16(rxd.wb.lower.hi_dword.csum_ip.ip_id);
}
/* Prefetch data of first segment, if configured to do so. */