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path: root/drivers/net/ethernet/microsoft/mana/mana_en.c
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Diffstat (limited to 'drivers/net/ethernet/microsoft/mana/mana_en.c')
-rw-r--r--drivers/net/ethernet/microsoft/mana/mana_en.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 3d151700f658..c47266d1c7c2 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -511,7 +511,7 @@ static u16 mana_select_queue(struct net_device *ndev, struct sk_buff *skb,
}
/* Release pre-allocated RX buffers */
-static void mana_pre_dealloc_rxbufs(struct mana_port_context *mpc)
+void mana_pre_dealloc_rxbufs(struct mana_port_context *mpc)
{
struct device *dev;
int i;
@@ -608,7 +608,7 @@ static void mana_get_rxbuf_cfg(int mtu, u32 *datasize, u32 *alloc_size,
*datasize = mtu + ETH_HLEN;
}
-static int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu)
+int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu, int num_queues)
{
struct device *dev;
struct page *page;
@@ -622,7 +622,7 @@ static int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu)
dev = mpc->ac->gdma_dev->gdma_context->dev;
- num_rxb = mpc->num_queues * RX_BUFFERS_PER_QUEUE;
+ num_rxb = num_queues * mpc->rx_queue_size;
WARN(mpc->rxbufs_pre, "mana rxbufs_pre exists\n");
mpc->rxbufs_pre = kmalloc_array(num_rxb, sizeof(void *), GFP_KERNEL);
@@ -682,7 +682,7 @@ static int mana_change_mtu(struct net_device *ndev, int new_mtu)
int err;
/* Pre-allocate buffers to prevent failure in mana_attach later */
- err = mana_pre_alloc_rxbufs(mpc, new_mtu);
+ err = mana_pre_alloc_rxbufs(mpc, new_mtu, mpc->num_queues);
if (err) {
netdev_err(ndev, "Insufficient memory for new MTU\n");
return err;
@@ -1911,15 +1911,17 @@ static int mana_create_txq(struct mana_port_context *apc,
return -ENOMEM;
/* The minimum size of the WQE is 32 bytes, hence
- * MAX_SEND_BUFFERS_PER_QUEUE represents the maximum number of WQEs
+ * apc->tx_queue_size represents the maximum number of WQEs
* the SQ can store. This value is then used to size other queues
* to prevent overflow.
+ * Also note that the txq_size is always going to be MANA_PAGE_ALIGNED,
+ * as min val of apc->tx_queue_size is 128 and that would make
+ * txq_size 128*32 = 4096 and the other higher values of apc->tx_queue_size
+ * are always power of two
*/
- txq_size = MAX_SEND_BUFFERS_PER_QUEUE * 32;
- BUILD_BUG_ON(!MANA_PAGE_ALIGNED(txq_size));
+ txq_size = apc->tx_queue_size * 32;
- cq_size = MAX_SEND_BUFFERS_PER_QUEUE * COMP_ENTRY_SIZE;
- cq_size = MANA_PAGE_ALIGN(cq_size);
+ cq_size = apc->tx_queue_size * COMP_ENTRY_SIZE;
gc = gd->gdma_context;
@@ -2159,10 +2161,11 @@ static int mana_push_wqe(struct mana_rxq *rxq)
static int mana_create_page_pool(struct mana_rxq *rxq, struct gdma_context *gc)
{
+ struct mana_port_context *mpc = netdev_priv(rxq->ndev);
struct page_pool_params pprm = {};
int ret;
- pprm.pool_size = RX_BUFFERS_PER_QUEUE;
+ pprm.pool_size = mpc->rx_queue_size;
pprm.nid = gc->numa_node;
pprm.napi = &rxq->rx_cq.napi;
pprm.netdev = rxq->ndev;
@@ -2194,13 +2197,13 @@ static struct mana_rxq *mana_create_rxq(struct mana_port_context *apc,
gc = gd->gdma_context;
- rxq = kzalloc(struct_size(rxq, rx_oobs, RX_BUFFERS_PER_QUEUE),
+ rxq = kzalloc(struct_size(rxq, rx_oobs, apc->rx_queue_size),
GFP_KERNEL);
if (!rxq)
return NULL;
rxq->ndev = ndev;
- rxq->num_rx_buf = RX_BUFFERS_PER_QUEUE;
+ rxq->num_rx_buf = apc->rx_queue_size;
rxq->rxq_idx = rxq_idx;
rxq->rxobj = INVALID_MANA_HANDLE;
@@ -2748,6 +2751,8 @@ static int mana_probe_port(struct mana_context *ac, int port_idx,
apc->ndev = ndev;
apc->max_queues = gc->max_num_queues;
apc->num_queues = gc->max_num_queues;
+ apc->tx_queue_size = DEF_TX_BUFFERS_PER_QUEUE;
+ apc->rx_queue_size = DEF_RX_BUFFERS_PER_QUEUE;
apc->port_handle = INVALID_MANA_HANDLE;
apc->pf_filter_handle = INVALID_MANA_HANDLE;
apc->port_idx = port_idx;