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ibmvnic: Update and clean up reset TX pool routine

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Update TX pool reset routine to accommodate new TSO pool array. Introduce
a function that resets one TX pool, and use that function to initialize
each pool in both pool arrays.

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 2018-03-16 20:00:25 -05:00 committed by David S. Miller
parent 4bd95a51b6
commit e26dc25bc0
1 changed files with 25 additions and 20 deletions
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45
drivers/net/ethernet/ibm/ibmvnic.c
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@ -557,36 +557,41 @@ static int init_rx_pools(struct net_device *netdev)
return 0;
}
static int reset_one_tx_pool(struct ibmvnic_adapter *adapter,
struct ibmvnic_tx_pool *tx_pool)
{
int rc, i;
rc = reset_long_term_buff(adapter, &tx_pool->long_term_buff);
if (rc)
return rc;
memset(tx_pool->tx_buff, 0,
tx_pool->num_buffers *
sizeof(struct ibmvnic_tx_buff));
for (i = 0; i < tx_pool->num_buffers; i++)
tx_pool->free_map[i] = i;
tx_pool->consumer_index = 0;
tx_pool->producer_index = 0;
return 0;
}
static int reset_tx_pools(struct ibmvnic_adapter *adapter)
{
struct ibmvnic_tx_pool *tx_pool;
int tx_scrqs;
int i, j, rc;
int i, rc;
tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs);
for (i = 0; i < tx_scrqs; i++) {
netdev_dbg(adapter->netdev, "Re-setting tx_pool[%d]\n", i);
tx_pool = &adapter->tx_pool[i];
rc = reset_long_term_buff(adapter, &tx_pool->long_term_buff);
rc = reset_one_tx_pool(adapter, &adapter->tso_pool[i]);
if (rc)
return rc;
rc = reset_long_term_buff(adapter, &tx_pool->tso_ltb);
rc = reset_one_tx_pool(adapter, &adapter->tx_pool[i]);
if (rc)
return rc;
memset(tx_pool->tx_buff, 0,
adapter->req_tx_entries_per_subcrq *
sizeof(struct ibmvnic_tx_buff));
for (j = 0; j < adapter->req_tx_entries_per_subcrq; j++)
tx_pool->free_map[j] = j;
tx_pool->consumer_index = 0;
tx_pool->producer_index = 0;
tx_pool->tso_index = 0;
}
return 0;