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author | Gatis Peisenieks <gatis@mikrotik.com> | 2021-05-27 17:44:21 +0300 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2021-05-27 16:06:46 -0700 |
commit | 20a1b6bdca15477c95800f50867a4dc1699ab548 (patch) | |
tree | c074d68697297e8d801599fb25252ff57780b6fb /drivers/net/ethernet | |
parent | bf3be85dbe59e2a4972caf0163113a1040b73f72 (diff) | |
download | linux-stable-20a1b6bdca15477c95800f50867a4dc1699ab548.tar.gz linux-stable-20a1b6bdca15477c95800f50867a4dc1699ab548.tar.bz2 linux-stable-20a1b6bdca15477c95800f50867a4dc1699ab548.zip |
atl1c: move tx napi into tpd_ring
To get more performance from using multiple tx queues one needs
a per tx queue napi.
Move tx napi from per adapter struct into per tx queue struct.
Patch that actually enables multiple tx queues will follow.
Signed-off-by: Gatis Peisenieks <gatis@mikrotik.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/atheros/atl1c/atl1c.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 18 |
2 files changed, 13 insertions, 9 deletions
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c.h b/drivers/net/ethernet/atheros/atl1c/atl1c.h index 9d70cb7544f1..2c8b72a7db03 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c.h +++ b/drivers/net/ethernet/atheros/atl1c/atl1c.h @@ -475,13 +475,16 @@ struct atl1c_buffer { /* transimit packet descriptor (tpd) ring */ struct atl1c_tpd_ring { + struct atl1c_adapter *adapter; void *desc; /* descriptor ring virtual address */ dma_addr_t dma; /* descriptor ring physical address */ + u16 num; u16 size; /* descriptor ring length in bytes */ u16 count; /* number of descriptors in the ring */ u16 next_to_use; atomic_t next_to_clean; struct atl1c_buffer *buffer_info; + struct napi_struct napi; }; /* receive free descriptor (rfd) ring */ @@ -510,7 +513,6 @@ struct atl1c_adapter { struct net_device *netdev; struct pci_dev *pdev; struct napi_struct napi; - struct napi_struct tx_napi; struct page *rx_page; unsigned int rx_page_offset; unsigned int rx_frag_size; diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index e3a77d81fecb..db60c1f706ae 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -983,6 +983,8 @@ static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter) goto err_nomem; for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { + tpd_ring[i].adapter = adapter; + tpd_ring[i].num = i; tpd_ring[i].buffer_info = (tpd_ring->buffer_info + count); count += tpd_ring[i].count; @@ -1533,9 +1535,9 @@ static inline void atl1c_clear_phy_int(struct atl1c_adapter *adapter) static int atl1c_clean_tx(struct napi_struct *napi, int budget) { - struct atl1c_adapter *adapter = - container_of(napi, struct atl1c_adapter, tx_napi); - struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[atl1c_trans_normal]; + struct atl1c_tpd_ring *tpd_ring = + container_of(napi, struct atl1c_tpd_ring, napi); + struct atl1c_adapter *adapter = tpd_ring->adapter; struct atl1c_buffer *buffer_info; struct pci_dev *pdev = adapter->pdev; u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); @@ -1615,12 +1617,12 @@ static irqreturn_t atl1c_intr(int irq, void *data) } } if (status & ISR_TX_PKT) { - if (napi_schedule_prep(&adapter->tx_napi)) { + if (napi_schedule_prep(&adapter->tpd_ring[0].napi)) { spin_lock(&hw->intr_mask_lock); hw->intr_mask &= ~ISR_TX_PKT; AT_WRITE_REG(hw, REG_IMR, hw->intr_mask); spin_unlock(&hw->intr_mask_lock); - __napi_schedule(&adapter->tx_napi); + __napi_schedule(&adapter->tpd_ring[0].napi); } } @@ -2354,7 +2356,7 @@ static int atl1c_up(struct atl1c_adapter *adapter) atl1c_check_link_status(adapter); clear_bit(__AT_DOWN, &adapter->flags); napi_enable(&adapter->napi); - napi_enable(&adapter->tx_napi); + napi_enable(&adapter->tpd_ring[0].napi); atl1c_irq_enable(adapter); netif_start_queue(netdev); return err; @@ -2375,7 +2377,7 @@ static void atl1c_down(struct atl1c_adapter *adapter) set_bit(__AT_DOWN, &adapter->flags); netif_carrier_off(netdev); napi_disable(&adapter->napi); - napi_disable(&adapter->tx_napi); + napi_disable(&adapter->tpd_ring[0].napi); atl1c_irq_disable(adapter); atl1c_free_irq(adapter); /* disable ASPM if device inactive */ @@ -2632,7 +2634,7 @@ static int atl1c_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->mii.reg_num_mask = MDIO_CTRL_REG_MASK; dev_set_threaded(netdev, true); netif_napi_add(netdev, &adapter->napi, atl1c_clean, 64); - netif_napi_add(netdev, &adapter->tx_napi, atl1c_clean_tx, 64); + netif_napi_add(netdev, &adapter->tpd_ring[0].napi, atl1c_clean_tx, 64); timer_setup(&adapter->phy_config_timer, atl1c_phy_config, 0); /* setup the private structure */ err = atl1c_sw_init(adapter); |