Re: [PATCH 3/3] net: ethernet: ti-cpsw: fix linking built-in code to modules

From: kernel test robot
Date: Tue Jun 20 2023 - 23:50:09 EST

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Hi Arnd,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]
[also build test ERROR on net/main soc/for-next linus/master v6.4-rc7 next-20230620]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Arnd-Bergmann/net-ethernet-ti-cpsw-rename-soft_reset-function/20230612-211612
base: net-next/main
patch link: https://lore.kernel.org/r/20230612124024.520720-3-arnd%40kernel.org
patch subject: [PATCH 3/3] net: ethernet: ti-cpsw: fix linking built-in code to modules
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20230621/202306211136.w0yw4Tmn-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230621/202306211136.w0yw4Tmn-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306211136.w0yw4Tmn-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

aarch64-linux-ld: Unexpected GOT/PLT entries detected!
aarch64-linux-ld: Unexpected run-time procedure linkages detected!
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_intr_enable':
>> drivers/net/ethernet/ti/cpsw_priv.c:42: undefined reference to `cpdma_ctlr_int_ctrl'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_intr_disable':
drivers/net/ethernet/ti/cpsw_priv.c:51: undefined reference to `cpdma_ctlr_int_ctrl'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_misc_interrupt':
>> drivers/net/ethernet/ti/cpsw_priv.c:129: undefined reference to `cpdma_ctlr_eoi'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_rx_interrupt':
drivers/net/ethernet/ti/cpsw_priv.c:112: undefined reference to `cpdma_ctlr_eoi'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_tx_mq_poll':
>> drivers/net/ethernet/ti/cpsw_priv.c:145: undefined reference to `cpdma_ctrl_txchs_state'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:156: undefined reference to `cpdma_chan_process'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_rx_mq_poll':
>> drivers/net/ethernet/ti/cpsw_priv.c:197: undefined reference to `cpdma_ctrl_rxchs_state'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:208: undefined reference to `cpdma_chan_process'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_need_resplit':
>> drivers/net/ethernet/ti/cpsw_priv.c:348: undefined reference to `cpdma_chan_get_rate'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_split_res':
drivers/net/ethernet/ti/cpsw_priv.c:373: undefined reference to `cpdma_chan_get_rate'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:422: undefined reference to `cpdma_chan_set_weight'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:409: undefined reference to `cpdma_chan_get_rate'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:427: undefined reference to `cpdma_chan_set_weight'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_init_common':
>> drivers/net/ethernet/ti/cpsw_priv.c:548: undefined reference to `cpdma_ctlr_create'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_create_rx_pool':
>> drivers/net/ethernet/ti/cpsw_priv.c:1197: undefined reference to `cpdma_chan_get_rx_buf_num'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_xdp_tx_frame':
>> drivers/net/ethernet/ti/cpsw_priv.c:1336: undefined reference to `cpdma_chan_submit_mapped'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:1342: undefined reference to `cpdma_chan_submit'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_tx_poll':
>> drivers/net/ethernet/ti/cpsw_priv.c:175: undefined reference to `cpdma_chan_process'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_rx_poll':
drivers/net/ethernet/ti/cpsw_priv.c:227: undefined reference to `cpdma_chan_process'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_tx_interrupt':
drivers/net/ethernet/ti/cpsw_priv.c:95: undefined reference to `cpdma_ctlr_eoi'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_fill_rx_channels':
drivers/net/ethernet/ti/cpsw_priv.c:1138: undefined reference to `cpdma_chan_get_rx_buf_num'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:1151: undefined reference to `cpdma_chan_idle_submit_mapped'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_intr_disable':
drivers/net/ethernet/ti/cpsw_priv.c:51: undefined reference to `cpdma_ctlr_int_ctrl'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_ndo_tx_timeout':
>> drivers/net/ethernet/ti/cpsw_priv.c:314: undefined reference to `cpdma_chan_stop'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:315: undefined reference to `cpdma_chan_start'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_intr_enable':
>> drivers/net/ethernet/ti/cpsw_priv.c:42: undefined reference to `cpdma_ctlr_int_ctrl'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.o: in function `cpsw_ndo_set_tx_maxrate':
>> drivers/net/ethernet/ti/cpsw_priv.c:766: undefined reference to `cpdma_chan_get_min_rate'
>> aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_priv.c:782: undefined reference to `cpdma_chan_set_rate'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.o: in function `cpsw_update_channels_res':
>> drivers/net/ethernet/ti/cpsw_ethtool.c:575: undefined reference to `cpdma_chan_create'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.c:593: undefined reference to `cpdma_chan_destroy'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.o: in function `cpsw_suspend_data_pass':
drivers/net/ethernet/ti/cpsw_ethtool.c:503: undefined reference to `cpdma_ctlr_stop'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.o: in function `cpsw_resume_data_pass':
drivers/net/ethernet/ti/cpsw_ethtool.c:518: undefined reference to `cpdma_ctlr_start'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.o: in function `cpsw_get_ringparam':
drivers/net/ethernet/ti/cpsw_ethtool.c:689: undefined reference to `cpdma_get_num_tx_descs'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.c:691: undefined reference to `cpdma_get_num_rx_descs'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.o: in function `cpsw_get_ethtool_stats':
drivers/net/ethernet/ti/cpsw_ethtool.c:295: undefined reference to `cpdma_chan_get_stats'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.c:304: undefined reference to `cpdma_chan_get_stats'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.o: in function `cpsw_set_ringparam':
drivers/net/ethernet/ti/cpsw_ethtool.c:710: undefined reference to `cpdma_get_num_rx_descs'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.c:716: undefined reference to `cpdma_set_num_rx_descs'
aarch64-linux-ld: drivers/net/ethernet/ti/cpsw_ethtool.c:735: undefined reference to `cpdma_set_num_rx_descs'

vim +42 drivers/net/ethernet/ti/cpsw_priv.c

51a9533797b07b Grygorii Strashko 2019-11-20 36
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 37 void cpsw_intr_enable(struct cpsw_common *cpsw)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 38 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 39 writel_relaxed(0xFF, &cpsw->wr_regs->tx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 40 writel_relaxed(0xFF, &cpsw->wr_regs->rx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 41
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @42 cpdma_ctlr_int_ctrl(cpsw->dma, true);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 43 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 44 EXPORT_SYMBOL_GPL(cpsw_intr_enable);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 45
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 46 void cpsw_intr_disable(struct cpsw_common *cpsw)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 47 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 48 writel_relaxed(0, &cpsw->wr_regs->tx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 49 writel_relaxed(0, &cpsw->wr_regs->rx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 50
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @51 cpdma_ctlr_int_ctrl(cpsw->dma, false);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 52 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 53 EXPORT_SYMBOL_GPL(cpsw_intr_disable);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 54
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 55 void cpsw_tx_handler(void *token, int len, int status)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 56 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 57 struct cpsw_meta_xdp *xmeta;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 58 struct xdp_frame *xdpf;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 59 struct net_device *ndev;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 60 struct netdev_queue *txq;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 61 struct sk_buff *skb;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 62 int ch;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 63
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 64 if (cpsw_is_xdpf_handle(token)) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 65 xdpf = cpsw_handle_to_xdpf(token);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 66 xmeta = (void *)xdpf + CPSW_XMETA_OFFSET;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 67 ndev = xmeta->ndev;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 68 ch = xmeta->ch;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 69 xdp_return_frame(xdpf);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 70 } else {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 71 skb = token;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 72 ndev = skb->dev;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 73 ch = skb_get_queue_mapping(skb);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 74 cpts_tx_timestamp(ndev_to_cpsw(ndev)->cpts, skb);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 75 dev_kfree_skb_any(skb);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 76 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 77
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 78 /* Check whether the queue is stopped due to stalled tx dma, if the
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 79 * queue is stopped then start the queue as we have free desc for tx
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 80 */
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 81 txq = netdev_get_tx_queue(ndev, ch);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 82 if (unlikely(netif_tx_queue_stopped(txq)))
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 83 netif_tx_wake_queue(txq);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 84
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 85 ndev->stats.tx_packets++;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 86 ndev->stats.tx_bytes += len;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 87 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 88 EXPORT_SYMBOL_GPL(cpsw_tx_handler);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 89
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 90 irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 91 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 92 struct cpsw_common *cpsw = dev_id;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 93
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 94 writel(0, &cpsw->wr_regs->tx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @95 cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_TX);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 96
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 97 if (cpsw->quirk_irq) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 98 disable_irq_nosync(cpsw->irqs_table[1]);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 99 cpsw->tx_irq_disabled = true;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 100 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 101
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 102 napi_schedule(&cpsw->napi_tx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 103 return IRQ_HANDLED;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 104 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 105 EXPORT_SYMBOL_GPL(cpsw_tx_interrupt);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 106
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 107 irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 108 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 109 struct cpsw_common *cpsw = dev_id;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 110
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 111 writel(0, &cpsw->wr_regs->rx_en);
51302f77bedab8 Grygorii Strashko 2019-12-06 @112 cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 113
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 114 if (cpsw->quirk_irq) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 115 disable_irq_nosync(cpsw->irqs_table[0]);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 116 cpsw->rx_irq_disabled = true;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 117 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 118
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 119 napi_schedule(&cpsw->napi_rx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 120 return IRQ_HANDLED;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 121 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 122 EXPORT_SYMBOL_GPL(cpsw_rx_interrupt);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 123
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 124 irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id)
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 125 {
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 126 struct cpsw_common *cpsw = dev_id;
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 127
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 128 writel(0, &cpsw->wr_regs->misc_en);
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 @129 cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_MISC);
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 130 cpts_misc_interrupt(cpsw->cpts);
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 131 writel(0x10, &cpsw->wr_regs->misc_en);
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 132
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 133 return IRQ_HANDLED;
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 134 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 135 EXPORT_SYMBOL_GPL(cpsw_misc_interrupt);
84ea9c0a95d7b3 Grygorii Strashko 2020-04-23 136
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 137 int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 138 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 139 struct cpsw_common *cpsw = napi_to_cpsw(napi_tx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 140 int num_tx, cur_budget, ch;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 141 u32 ch_map;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 142 struct cpsw_vector *txv;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 143
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 144 /* process every unprocessed channel */
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @145 ch_map = cpdma_ctrl_txchs_state(cpsw->dma);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 146 for (ch = 0, num_tx = 0; ch_map & 0xff; ch_map <<= 1, ch++) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 147 if (!(ch_map & 0x80))
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 148 continue;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 149
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 150 txv = &cpsw->txv[ch];
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 151 if (unlikely(txv->budget > budget - num_tx))
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 152 cur_budget = budget - num_tx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 153 else
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 154 cur_budget = txv->budget;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 155
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @156 num_tx += cpdma_chan_process(txv->ch, cur_budget);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 157 if (num_tx >= budget)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 158 break;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 159 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 160
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 161 if (num_tx < budget) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 162 napi_complete(napi_tx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 163 writel(0xff, &cpsw->wr_regs->tx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 164 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 165
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 166 return num_tx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 167 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 168 EXPORT_SYMBOL_GPL(cpsw_tx_mq_poll);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 169
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 170 int cpsw_tx_poll(struct napi_struct *napi_tx, int budget)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 171 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 172 struct cpsw_common *cpsw = napi_to_cpsw(napi_tx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 173 int num_tx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 174
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @175 num_tx = cpdma_chan_process(cpsw->txv[0].ch, budget);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 176 if (num_tx < budget) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 177 napi_complete(napi_tx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 178 writel(0xff, &cpsw->wr_regs->tx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 179 if (cpsw->tx_irq_disabled) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 180 cpsw->tx_irq_disabled = false;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 181 enable_irq(cpsw->irqs_table[1]);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 182 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 183 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 184
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 185 return num_tx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 186 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 187 EXPORT_SYMBOL_GPL(cpsw_tx_poll);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 188
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 189 int cpsw_rx_mq_poll(struct napi_struct *napi_rx, int budget)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 190 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 191 struct cpsw_common *cpsw = napi_to_cpsw(napi_rx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 192 int num_rx, cur_budget, ch;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 193 u32 ch_map;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 194 struct cpsw_vector *rxv;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 195
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 196 /* process every unprocessed channel */
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @197 ch_map = cpdma_ctrl_rxchs_state(cpsw->dma);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 198 for (ch = 0, num_rx = 0; ch_map; ch_map >>= 1, ch++) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 199 if (!(ch_map & 0x01))
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 200 continue;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 201
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 202 rxv = &cpsw->rxv[ch];
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 203 if (unlikely(rxv->budget > budget - num_rx))
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 204 cur_budget = budget - num_rx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 205 else
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 206 cur_budget = rxv->budget;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 207
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @208 num_rx += cpdma_chan_process(rxv->ch, cur_budget);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 209 if (num_rx >= budget)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 210 break;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 211 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 212
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 213 if (num_rx < budget) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 214 napi_complete_done(napi_rx, num_rx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 215 writel(0xff, &cpsw->wr_regs->rx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 216 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 217
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 218 return num_rx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 219 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 220 EXPORT_SYMBOL_GPL(cpsw_rx_mq_poll);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 221
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 222 int cpsw_rx_poll(struct napi_struct *napi_rx, int budget)
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 223 {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 224 struct cpsw_common *cpsw = napi_to_cpsw(napi_rx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 225 int num_rx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 226
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 @227 num_rx = cpdma_chan_process(cpsw->rxv[0].ch, budget);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 228 if (num_rx < budget) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 229 napi_complete_done(napi_rx, num_rx);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 230 writel(0xff, &cpsw->wr_regs->rx_en);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 231 if (cpsw->rx_irq_disabled) {
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 232 cpsw->rx_irq_disabled = false;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 233 enable_irq(cpsw->irqs_table[0]);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 234 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 235 }
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 236
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 237 return num_rx;
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 238 }
c8722a36e372f4 Arnd Bergmann 2023-06-12 239 EXPORT_SYMBOL_GPL(cpsw_rx_poll);
c5013ac1dd0e11 Grygorii Strashko 2019-11-20 240

--
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