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ibmvnic: Keep track of supplementary TX descriptors

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Supplementary TX descriptors were not being accounted for, which
was resulting in an overflow of the hardware device's transmit
queue. Keep track of those descriptors now when determining
how many entries remain on the TX queue.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Falcon
2018-02-18 10:08:41 -06:00
committed by David S. Miller
parent f5c0c6f429
commit ffc385b95a
2 changed files with 7 additions and 2 deletions
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drivers/net/ethernet/ibm/ibmvnic.h
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@@ -909,6 +909,7 @@ struct ibmvnic_tx_buff {
union sub_crq indir_arr[6];
u8 hdr_data[140];
dma_addr_t indir_dma;
int num_entries;
};
struct ibmvnic_tx_pool {