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i40evf: Drop packet split receive routine

Browse Source 
As part of preparation for the rx-refactor, remove the
packet split receive routine and ancillary code.

Some of the split related context set up code stays in
i40e_virtchnl_pf.c in case an older VF driver tries to load
and still wants to use packet split.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jesse Brandeburg 2016-04-18 11:33:45 -07:00 committed by Jeff Kirsher
parent 1a557afc4d
commit 19b85e677d
7 changed files with 3 additions and 75 deletions
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2
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
View File

@ -590,7 +590,7 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
}
rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
/* set splitalways mode 10b */
/* set split mode 10b */
rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
}

21
drivers/net/ethernet/intel/i40evf/i40e_txrx.c
View File

@ -504,22 +504,6 @@ void i40evf_clean_rx_ring(struct i40e_ring *rx_ring)
if (!rx_ring->rx_bi)
return;
if (ring_is_ps_enabled(rx_ring)) {
int bufsz = ALIGN(rx_ring->rx_hdr_len, 256) * rx_ring->count;
rx_bi = &rx_ring->rx_bi[0];
if (rx_bi->hdr_buf) {
dma_free_coherent(dev,
bufsz,
rx_bi->hdr_buf,
rx_bi->dma);
for (i = 0; i < rx_ring->count; i++) {
rx_bi = &rx_ring->rx_bi[i];
rx_bi->dma = 0;
rx_bi->hdr_buf = NULL;
}
}
}
/* Free all the Rx ring sk_buffs */
for (i = 0; i < rx_ring->count; i++) {
rx_bi = &rx_ring->rx_bi[i];
@ -1435,10 +1419,7 @@ int i40evf_napi_poll(struct napi_struct *napi, int budget)
i40e_for_each_ring(ring, q_vector->rx) {
int cleaned;
if (ring_is_ps_enabled(ring))
cleaned = i40e_clean_rx_irq_ps(ring, budget_per_ring);
else
cleaned = i40e_clean_rx_irq_1buf(ring, budget_per_ring);
cleaned = i40e_clean_rx_irq_1buf(ring, budget_per_ring);
work_done += cleaned;
/* if we clean as many as budgeted, we must not be done */

7
drivers/net/ethernet/intel/i40evf/i40e_txrx.h
View File

@ -244,16 +244,9 @@ struct i40e_rx_queue_stats {
enum i40e_ring_state_t {
__I40E_TX_FDIR_INIT_DONE,
__I40E_TX_XPS_INIT_DONE,
__I40E_RX_PS_ENABLED,
__I40E_RX_16BYTE_DESC_ENABLED,
};
#define ring_is_ps_enabled(ring) \
test_bit(__I40E_RX_PS_ENABLED, &(ring)->state)
#define set_ring_ps_enabled(ring) \
set_bit(__I40E_RX_PS_ENABLED, &(ring)->state)
#define clear_ring_ps_enabled(ring) \
clear_bit(__I40E_RX_PS_ENABLED, &(ring)->state)
#define ring_is_16byte_desc_enabled(ring) \
test_bit(__I40E_RX_16BYTE_DESC_ENABLED, &(ring)->state)
#define set_ring_16byte_desc_enabled(ring) \

2
drivers/net/ethernet/intel/i40evf/i40evf.h
View File

@ -209,8 +209,6 @@ struct i40evf_adapter {
u32 flags;
#define I40EVF_FLAG_RX_CSUM_ENABLED BIT(0)
#define I40EVF_FLAG_RX_1BUF_CAPABLE BIT(1)
#define I40EVF_FLAG_RX_PS_CAPABLE BIT(2)
#define I40EVF_FLAG_RX_PS_ENABLED BIT(3)
#define I40EVF_FLAG_IMIR_ENABLED BIT(5)
#define I40EVF_FLAG_MQ_CAPABLE BIT(6)
#define I40EVF_FLAG_NEED_LINK_UPDATE BIT(7)

14
drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c
View File

@ -527,12 +527,8 @@ static int i40evf_set_rxfh(struct net_device *netdev, const u32 *indir,
**/
static u32 i40evf_get_priv_flags(struct net_device *dev)
{
struct i40evf_adapter *adapter = netdev_priv(dev);
u32 ret_flags = 0;
ret_flags |= adapter->flags & I40EVF_FLAG_RX_PS_ENABLED ?
I40EVF_PRIV_FLAGS_PS : 0;
return ret_flags;
}
@ -546,16 +542,6 @@ static int i40evf_set_priv_flags(struct net_device *dev, u32 flags)
struct i40evf_adapter *adapter = netdev_priv(dev);
bool reset_required = false;
if ((flags & I40EVF_PRIV_FLAGS_PS) &&
!(adapter->flags & I40EVF_FLAG_RX_PS_ENABLED)) {
adapter->flags |= I40EVF_FLAG_RX_PS_ENABLED;
reset_required = true;
} else if (!(flags & I40EVF_PRIV_FLAGS_PS) &&
(adapter->flags & I40EVF_FLAG_RX_PS_ENABLED)) {
adapter->flags &= ~I40EVF_FLAG_RX_PS_ENABLED;
reset_required = true;
}
/* if needed, issue reset to cause things to take effect */
if (reset_required)
i40evf_schedule_reset(adapter);

28
drivers/net/ethernet/intel/i40evf/i40evf_main.c
View File

@ -641,28 +641,11 @@ static void i40evf_configure_tx(struct i40evf_adapter *adapter)
static void i40evf_configure_rx(struct i40evf_adapter *adapter)
{
struct i40e_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
int i;
int rx_buf_len;
/* Set the RX buffer length according to the mode */
if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED ||
netdev->mtu <= ETH_DATA_LEN)
rx_buf_len = I40EVF_RXBUFFER_2048;
else
rx_buf_len = ALIGN(max_frame, 1024);
for (i = 0; i < adapter->num_active_queues; i++) {
adapter->rx_rings[i].tail = hw->hw_addr + I40E_QRX_TAIL1(i);
adapter->rx_rings[i].rx_buf_len = rx_buf_len;
if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED) {
set_ring_ps_enabled(&adapter->rx_rings[i]);
adapter->rx_rings[i].rx_hdr_len = I40E_RX_HDR_SIZE;
} else {
clear_ring_ps_enabled(&adapter->rx_rings[i]);
}
adapter->rx_rings[i].rx_buf_len = I40EVF_RXBUFFER_2048;
}
}
@ -1007,12 +990,7 @@ static void i40evf_configure(struct i40evf_adapter *adapter)
for (i = 0; i < adapter->num_active_queues; i++) {
struct i40e_ring *ring = &adapter->rx_rings[i];
if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED) {
i40evf_alloc_rx_headers(ring);
i40evf_alloc_rx_buffers_ps(ring, ring->count);
} else {
i40evf_alloc_rx_buffers_1buf(ring, ring->count);
}
ring->next_to_use = ring->count - 1;
writel(ring->next_to_use, ring->tail);
}
@ -2424,10 +2402,6 @@ static void i40evf_init_task(struct work_struct *work)
adapter->flags |= I40EVF_FLAG_RX_CSUM_ENABLED;
adapter->flags |= I40EVF_FLAG_RX_1BUF_CAPABLE;
adapter->flags |= I40EVF_FLAG_RX_PS_CAPABLE;
/* Default to single buffer rx, can be changed through ethtool. */
adapter->flags &= ~I40EVF_FLAG_RX_PS_ENABLED;
netdev->netdev_ops = &i40evf_netdev_ops;
i40evf_set_ethtool_ops(netdev);

4
drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
View File

@ -270,10 +270,6 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter)
vqpi->rxq.max_pkt_size = adapter->netdev->mtu
+ ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
vqpi->rxq.databuffer_size = adapter->rx_rings[i].rx_buf_len;
if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED) {
vqpi->rxq.splithdr_enabled = true;
vqpi->rxq.hdr_size = I40E_RX_HDR_SIZE;
}
vqpi++;
}