* [Intel-wired-lan] [jkirsher-next-queue:dev-queue 13/116] drivers/net/ethernet/aeroflex/greth.c:113:36: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
@ 2019-07-24 4:32 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2019-07-24 4:32 UTC (permalink / raw)
To: intel-wired-lan
tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/jkirsher/next-queue.git dev-queue
head: 09fa75bee73107b57bfc290a4b8d5289544ccfb3
commit: 8842d285bafa9ff7719f4107b6545a11dcd41995 [13/116] net: Convert skb_frag_t to bio_vec
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 8842d285bafa9ff7719f4107b6545a11dcd41995
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/net/ethernet/aeroflex/greth.c: In function 'greth_print_tx_packet':
>> drivers/net/ethernet/aeroflex/greth.c:113:36: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
skb_shinfo(skb)->frags[i].size, true);
^
vim +113 drivers/net/ethernet/aeroflex/greth.c
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 95
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 96 static void greth_print_tx_packet(struct sk_buff *skb)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 97 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 98 int i;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 99 int length;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 100
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 101 if (skb_shinfo(skb)->nr_frags == 0)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 102 length = skb->len;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 103 else
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 104 length = skb_headlen(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 105
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 106 print_hex_dump(KERN_DEBUG, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 107 skb->data, length, true);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 108
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 109 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 110
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 111 print_hex_dump(KERN_DEBUG, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
ab7e11d9d0293ef drivers/net/ethernet/aeroflex/greth.c Ian Campbell 2011-08-29 112 skb_frag_address(&skb_shinfo(skb)->frags[i]),
ab7e11d9d0293ef drivers/net/ethernet/aeroflex/greth.c Ian Campbell 2011-08-29 @113 skb_shinfo(skb)->frags[i].size, true);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 114 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 115 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 116
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 117 static inline void greth_enable_tx(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 118 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 119 wmb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 120 GRETH_REGORIN(greth->regs->control, GRETH_TXEN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 121 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 122
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 123 static inline void greth_enable_tx_and_irq(struct greth_private *greth)
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 124 {
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 125 wmb(); /* BDs must been written to memory before enabling TX */
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 126 GRETH_REGORIN(greth->regs->control, GRETH_TXEN | GRETH_TXI);
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 127 }
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 128
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 129 static inline void greth_disable_tx(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 130 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 131 GRETH_REGANDIN(greth->regs->control, ~GRETH_TXEN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 132 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 133
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 134 static inline void greth_enable_rx(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 135 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 136 wmb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 137 GRETH_REGORIN(greth->regs->control, GRETH_RXEN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 138 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 139
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 140 static inline void greth_disable_rx(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 141 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 142 GRETH_REGANDIN(greth->regs->control, ~GRETH_RXEN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 143 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 144
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 145 static inline void greth_enable_irqs(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 146 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 147 GRETH_REGORIN(greth->regs->control, GRETH_RXI | GRETH_TXI);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 148 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 149
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 150 static inline void greth_disable_irqs(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 151 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 152 GRETH_REGANDIN(greth->regs->control, ~(GRETH_RXI|GRETH_TXI));
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 153 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 154
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 155 static inline void greth_write_bd(u32 *bd, u32 val)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 156 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 157 __raw_writel(cpu_to_be32(val), bd);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 158 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 159
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 160 static inline u32 greth_read_bd(u32 *bd)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 161 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 162 return be32_to_cpu(__raw_readl(bd));
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 163 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 164
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 165 static void greth_clean_rings(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 166 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 167 int i;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 168 struct greth_bd *rx_bdp = greth->rx_bd_base;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 169 struct greth_bd *tx_bdp = greth->tx_bd_base;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 170
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 171 if (greth->gbit_mac) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 172
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 173 /* Free and unmap RX buffers */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 174 for (i = 0; i < GRETH_RXBD_NUM; i++, rx_bdp++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 175 if (greth->rx_skbuff[i] != NULL) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 176 dev_kfree_skb(greth->rx_skbuff[i]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 177 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 178 greth_read_bd(&rx_bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 179 MAX_FRAME_SIZE+NET_IP_ALIGN,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 180 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 181 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 182 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 183
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 184 /* TX buffers */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 185 while (greth->tx_free < GRETH_TXBD_NUM) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 186
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 187 struct sk_buff *skb = greth->tx_skbuff[greth->tx_last];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 188 int nr_frags = skb_shinfo(skb)->nr_frags;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 189 tx_bdp = greth->tx_bd_base + greth->tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 190 greth->tx_last = NEXT_TX(greth->tx_last);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 191
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 192 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 193 greth_read_bd(&tx_bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 194 skb_headlen(skb),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 195 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 196
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 197 for (i = 0; i < nr_frags; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 198 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 199 tx_bdp = greth->tx_bd_base + greth->tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 200
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 201 dma_unmap_page(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 202 greth_read_bd(&tx_bdp->addr),
9e903e085262ffb drivers/net/ethernet/aeroflex/greth.c Eric Dumazet 2011-10-18 203 skb_frag_size(frag),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 204 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 205
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 206 greth->tx_last = NEXT_TX(greth->tx_last);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 207 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 208 greth->tx_free += nr_frags+1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 209 dev_kfree_skb(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 210 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 211
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 212
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 213 } else { /* 10/100 Mbps MAC */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 214
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 215 for (i = 0; i < GRETH_RXBD_NUM; i++, rx_bdp++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 216 kfree(greth->rx_bufs[i]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 217 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 218 greth_read_bd(&rx_bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 219 MAX_FRAME_SIZE,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 220 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 221 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 222 for (i = 0; i < GRETH_TXBD_NUM; i++, tx_bdp++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 223 kfree(greth->tx_bufs[i]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 224 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 225 greth_read_bd(&tx_bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 226 MAX_FRAME_SIZE,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 227 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 228 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 229 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 230 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 231
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 232 static int greth_init_rings(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 233 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 234 struct sk_buff *skb;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 235 struct greth_bd *rx_bd, *tx_bd;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 236 u32 dma_addr;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 237 int i;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 238
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 239 rx_bd = greth->rx_bd_base;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 240 tx_bd = greth->tx_bd_base;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 241
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 242 /* Initialize descriptor rings and buffers */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 243 if (greth->gbit_mac) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 244
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 245 for (i = 0; i < GRETH_RXBD_NUM; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 246 skb = netdev_alloc_skb(greth->netdev, MAX_FRAME_SIZE+NET_IP_ALIGN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 247 if (skb == NULL) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 248 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 249 dev_err(greth->dev, "Error allocating DMA ring.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 250 goto cleanup;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 251 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 252 skb_reserve(skb, NET_IP_ALIGN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 253 dma_addr = dma_map_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 254 skb->data,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 255 MAX_FRAME_SIZE+NET_IP_ALIGN,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 256 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 257
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 258 if (dma_mapping_error(greth->dev, dma_addr)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 259 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 260 dev_err(greth->dev, "Could not create initial DMA mapping\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 261 goto cleanup;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 262 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 263 greth->rx_skbuff[i] = skb;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 264 greth_write_bd(&rx_bd[i].addr, dma_addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 265 greth_write_bd(&rx_bd[i].stat, GRETH_BD_EN | GRETH_BD_IE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 266 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 267
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 268 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 269
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 270 /* 10/100 MAC uses a fixed set of buffers and copy to/from SKBs */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 271 for (i = 0; i < GRETH_RXBD_NUM; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 272
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 273 greth->rx_bufs[i] = kmalloc(MAX_FRAME_SIZE, GFP_KERNEL);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 274
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 275 if (greth->rx_bufs[i] == NULL) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 276 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 277 dev_err(greth->dev, "Error allocating DMA ring.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 278 goto cleanup;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 279 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 280
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 281 dma_addr = dma_map_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 282 greth->rx_bufs[i],
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 283 MAX_FRAME_SIZE,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 284 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 285
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 286 if (dma_mapping_error(greth->dev, dma_addr)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 287 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 288 dev_err(greth->dev, "Could not create initial DMA mapping\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 289 goto cleanup;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 290 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 291 greth_write_bd(&rx_bd[i].addr, dma_addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 292 greth_write_bd(&rx_bd[i].stat, GRETH_BD_EN | GRETH_BD_IE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 293 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 294 for (i = 0; i < GRETH_TXBD_NUM; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 295
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 296 greth->tx_bufs[i] = kmalloc(MAX_FRAME_SIZE, GFP_KERNEL);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 297
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 298 if (greth->tx_bufs[i] == NULL) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 299 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 300 dev_err(greth->dev, "Error allocating DMA ring.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 301 goto cleanup;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 302 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 303
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 304 dma_addr = dma_map_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 305 greth->tx_bufs[i],
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 306 MAX_FRAME_SIZE,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 307 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 308
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 309 if (dma_mapping_error(greth->dev, dma_addr)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 310 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 311 dev_err(greth->dev, "Could not create initial DMA mapping\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 312 goto cleanup;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 313 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 314 greth_write_bd(&tx_bd[i].addr, dma_addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 315 greth_write_bd(&tx_bd[i].stat, 0);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 316 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 317 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 318 greth_write_bd(&rx_bd[GRETH_RXBD_NUM - 1].stat,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 319 greth_read_bd(&rx_bd[GRETH_RXBD_NUM - 1].stat) | GRETH_BD_WR);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 320
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 321 /* Initialize pointers. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 322 greth->rx_cur = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 323 greth->tx_next = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 324 greth->tx_last = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 325 greth->tx_free = GRETH_TXBD_NUM;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 326
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 327 /* Initialize descriptor base address */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 328 GRETH_REGSAVE(greth->regs->tx_desc_p, greth->tx_bd_base_phys);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 329 GRETH_REGSAVE(greth->regs->rx_desc_p, greth->rx_bd_base_phys);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 330
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 331 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 332
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 333 cleanup:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 334 greth_clean_rings(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 335 return -ENOMEM;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 336 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 337
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 338 static int greth_open(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 339 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 340 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 341 int err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 342
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 343 err = greth_init_rings(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 344 if (err) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 345 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 346 dev_err(&dev->dev, "Could not allocate memory for DMA rings\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 347 return err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 348 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 349
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 350 err = request_irq(greth->irq, greth_interrupt, 0, "eth", (void *) dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 351 if (err) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 352 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 353 dev_err(&dev->dev, "Could not allocate interrupt %d\n", dev->irq);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 354 greth_clean_rings(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 355 return err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 356 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 357
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 358 if (netif_msg_ifup(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 359 dev_dbg(&dev->dev, " starting queue\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 360 netif_start_queue(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 361
bbe9e637330abe5 drivers/net/greth.c Daniel Hellstrom 2011-01-14 362 GRETH_REGSAVE(greth->regs->status, 0xFF);
bbe9e637330abe5 drivers/net/greth.c Daniel Hellstrom 2011-01-14 363
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 364 napi_enable(&greth->napi);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 365
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 366 greth_enable_irqs(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 367 greth_enable_tx(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 368 greth_enable_rx(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 369 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 370
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 371 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 372
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 373 static int greth_close(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 374 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 375 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 376
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 377 napi_disable(&greth->napi);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 378
bbe9e637330abe5 drivers/net/greth.c Daniel Hellstrom 2011-01-14 379 greth_disable_irqs(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 380 greth_disable_tx(greth);
bbe9e637330abe5 drivers/net/greth.c Daniel Hellstrom 2011-01-14 381 greth_disable_rx(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 382
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 383 netif_stop_queue(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 384
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 385 free_irq(greth->irq, (void *) dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 386
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 387 greth_clean_rings(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 388
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 389 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 390 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 391
41a655ba5654e47 drivers/net/greth.c kirjanov at gmail.com 2010-02-24 392 static netdev_tx_t
41a655ba5654e47 drivers/net/greth.c kirjanov at gmail.com 2010-02-24 393 greth_start_xmit(struct sk_buff *skb, struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 394 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 395 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 396 struct greth_bd *bdp;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 397 int err = NETDEV_TX_OK;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 398 u32 status, dma_addr, ctrl;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 399 unsigned long flags;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 400
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 401 /* Clean TX Ring */
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 402 greth_clean_tx(greth->netdev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 403
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 404 if (unlikely(greth->tx_free <= 0)) {
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 405 spin_lock_irqsave(&greth->devlock, flags);/*save from poll/irq*/
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 406 ctrl = GRETH_REGLOAD(greth->regs->control);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 407 /* Enable TX IRQ only if not already in poll() routine */
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 408 if (ctrl & GRETH_RXI)
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 409 GRETH_REGSAVE(greth->regs->control, ctrl | GRETH_TXI);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 410 netif_stop_queue(dev);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 411 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 412 return NETDEV_TX_BUSY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 413 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 414
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 415 if (netif_msg_pktdata(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 416 greth_print_tx_packet(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 417
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 418
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 419 if (unlikely(skb->len > MAX_FRAME_SIZE)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 420 dev->stats.tx_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 421 goto out;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 422 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 423
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 424 bdp = greth->tx_bd_base + greth->tx_next;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 425 dma_addr = greth_read_bd(&bdp->addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 426
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 427 memcpy((unsigned char *) phys_to_virt(dma_addr), skb->data, skb->len);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 428
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 429 dma_sync_single_for_device(greth->dev, dma_addr, skb->len, DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 430
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 431 status = GRETH_BD_EN | GRETH_BD_IE | (skb->len & GRETH_BD_LEN);
6af29a963cecf42 drivers/net/greth.c Daniel Hellstrom 2011-09-08 432 greth->tx_bufs_length[greth->tx_next] = skb->len & GRETH_BD_LEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 433
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 434 /* Wrap around descriptor ring */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 435 if (greth->tx_next == GRETH_TXBD_NUM_MASK) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 436 status |= GRETH_BD_WR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 437 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 438
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 439 greth->tx_next = NEXT_TX(greth->tx_next);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 440 greth->tx_free--;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 441
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 442 /* Write descriptor control word and enable transmission */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 443 greth_write_bd(&bdp->stat, status);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 444 spin_lock_irqsave(&greth->devlock, flags); /*save from poll/irq*/
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 445 greth_enable_tx(greth);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 446 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 447
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 448 out:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 449 dev_kfree_skb(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 450 return err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 451 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 452
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 453 static inline u16 greth_num_free_bds(u16 tx_last, u16 tx_next)
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 454 {
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 455 if (tx_next < tx_last)
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 456 return (tx_last - tx_next) - 1;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 457 else
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 458 return GRETH_TXBD_NUM - (tx_next - tx_last) - 1;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 459 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 460
41a655ba5654e47 drivers/net/greth.c kirjanov at gmail.com 2010-02-24 461 static netdev_tx_t
41a655ba5654e47 drivers/net/greth.c kirjanov@gmail.com 2010-02-24 462 greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 463 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 464 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 465 struct greth_bd *bdp;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 466 u32 status, dma_addr;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 467 int curr_tx, nr_frags, i, err = NETDEV_TX_OK;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 468 unsigned long flags;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 469 u16 tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 470
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 471 nr_frags = skb_shinfo(skb)->nr_frags;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 472 tx_last = greth->tx_last;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 473 rmb(); /* tx_last is updated by the poll task */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 474
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 475 if (greth_num_free_bds(tx_last, greth->tx_next) < nr_frags + 1) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 476 netif_stop_queue(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 477 err = NETDEV_TX_BUSY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 478 goto out;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 479 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 480
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 481 if (netif_msg_pktdata(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 482 greth_print_tx_packet(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 483
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 484 if (unlikely(skb->len > MAX_FRAME_SIZE)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 485 dev->stats.tx_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 486 goto out;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 487 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 488
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 489 /* Save skb pointer. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 490 greth->tx_skbuff[greth->tx_next] = skb;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 491
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 492 /* Linear buf */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 493 if (nr_frags != 0)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 494 status = GRETH_TXBD_MORE;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 495 else
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 496 status = GRETH_BD_IE;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 497
d706f00f6514682 drivers/net/greth.c Daniel Hellstrom 2011-09-09 498 if (skb->ip_summed == CHECKSUM_PARTIAL)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 499 status |= GRETH_TXBD_CSALL;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 500 status |= skb_headlen(skb) & GRETH_BD_LEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 501 if (greth->tx_next == GRETH_TXBD_NUM_MASK)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 502 status |= GRETH_BD_WR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 503
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 504
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 505 bdp = greth->tx_bd_base + greth->tx_next;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 506 greth_write_bd(&bdp->stat, status);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 507 dma_addr = dma_map_single(greth->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 508
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 509 if (unlikely(dma_mapping_error(greth->dev, dma_addr)))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 510 goto map_error;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 511
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 512 greth_write_bd(&bdp->addr, dma_addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 513
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 514 curr_tx = NEXT_TX(greth->tx_next);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 515
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 516 /* Frags */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 517 for (i = 0; i < nr_frags; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 518 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 519 greth->tx_skbuff[curr_tx] = NULL;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 520 bdp = greth->tx_bd_base + curr_tx;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 521
d706f00f6514682 drivers/net/greth.c Daniel Hellstrom 2011-09-09 522 status = GRETH_BD_EN;
d706f00f6514682 drivers/net/greth.c Daniel Hellstrom 2011-09-09 523 if (skb->ip_summed == CHECKSUM_PARTIAL)
d706f00f6514682 drivers/net/greth.c Daniel Hellstrom 2011-09-09 524 status |= GRETH_TXBD_CSALL;
9e903e085262ffb drivers/net/ethernet/aeroflex/greth.c Eric Dumazet 2011-10-18 525 status |= skb_frag_size(frag) & GRETH_BD_LEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 526
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 527 /* Wrap around descriptor ring */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 528 if (curr_tx == GRETH_TXBD_NUM_MASK)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 529 status |= GRETH_BD_WR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 530
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 531 /* More fragments left */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 532 if (i < nr_frags - 1)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 533 status |= GRETH_TXBD_MORE;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 534 else
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 535 status |= GRETH_BD_IE; /* enable IRQ on last fragment */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 536
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 537 greth_write_bd(&bdp->stat, status);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 538
9e903e085262ffb drivers/net/ethernet/aeroflex/greth.c Eric Dumazet 2011-10-18 539 dma_addr = skb_frag_dma_map(greth->dev, frag, 0, skb_frag_size(frag),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 540 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 541
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 542 if (unlikely(dma_mapping_error(greth->dev, dma_addr)))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 543 goto frag_map_error;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 544
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 545 greth_write_bd(&bdp->addr, dma_addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 546
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 547 curr_tx = NEXT_TX(curr_tx);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 548 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 549
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 550 wmb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 551
2a2bc012b98729c drivers/net/greth.c Daniel Hellstrom 2011-01-14 552 /* Enable the descriptor chain by enabling the first descriptor */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 553 bdp = greth->tx_bd_base + greth->tx_next;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 554 greth_write_bd(&bdp->stat,
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 555 greth_read_bd(&bdp->stat) | GRETH_BD_EN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 556
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 557 spin_lock_irqsave(&greth->devlock, flags); /*save from poll/irq*/
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 558 greth->tx_next = curr_tx;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 559 greth_enable_tx_and_irq(greth);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 560 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 561
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 562 return NETDEV_TX_OK;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 563
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 564 frag_map_error:
2a2bc012b98729c drivers/net/greth.c Daniel Hellstrom 2011-01-14 565 /* Unmap SKB mappings that succeeded and disable descriptor */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 566 for (i = 0; greth->tx_next + i != curr_tx; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 567 bdp = greth->tx_bd_base + greth->tx_next + i;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 568 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 569 greth_read_bd(&bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 570 greth_read_bd(&bdp->stat) & GRETH_BD_LEN,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 571 DMA_TO_DEVICE);
2a2bc012b98729c drivers/net/greth.c Daniel Hellstrom 2011-01-14 572 greth_write_bd(&bdp->stat, 0);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 573 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 574 map_error:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 575 if (net_ratelimit())
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 576 dev_warn(greth->dev, "Could not create TX DMA mapping\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 577 dev_kfree_skb(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 578 out:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 579 return err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 580 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 581
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 582 static irqreturn_t greth_interrupt(int irq, void *dev_id)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 583 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 584 struct net_device *dev = dev_id;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 585 struct greth_private *greth;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 586 u32 status, ctrl;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 587 irqreturn_t retval = IRQ_NONE;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 588
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 589 greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 590
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 591 spin_lock(&greth->devlock);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 592
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 593 /* Get the interrupt events that caused us to be here. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 594 status = GRETH_REGLOAD(greth->regs->status);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 595
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 596 /* Must see if interrupts are enabled also, INT_TX|INT_RX flags may be
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 597 * set regardless of whether IRQ is enabled or not. Especially
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 598 * important when shared IRQ.
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 599 */
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 600 ctrl = GRETH_REGLOAD(greth->regs->control);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 601
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 602 /* Handle rx and tx interrupts through poll */
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 603 if (((status & (GRETH_INT_RE | GRETH_INT_RX)) && (ctrl & GRETH_RXI)) ||
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 604 ((status & (GRETH_INT_TE | GRETH_INT_TX)) && (ctrl & GRETH_TXI))) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 605 retval = IRQ_HANDLED;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 606
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 607 /* Disable interrupts and schedule poll() */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 608 greth_disable_irqs(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 609 napi_schedule(&greth->napi);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 610 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 611
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 612 spin_unlock(&greth->devlock);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 613
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 614 return retval;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 615 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 616
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 617 static void greth_clean_tx(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 618 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 619 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 620 struct greth_bd *bdp;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 621 u32 stat;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 622
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 623 greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 624
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 625 while (1) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 626 bdp = greth->tx_bd_base + greth->tx_last;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 627 GRETH_REGSAVE(greth->regs->status, GRETH_INT_TE | GRETH_INT_TX);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 628 mb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 629 stat = greth_read_bd(&bdp->stat);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 630
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 631 if (unlikely(stat & GRETH_BD_EN))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 632 break;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 633
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 634 if (greth->tx_free == GRETH_TXBD_NUM)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 635 break;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 636
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 637 /* Check status for errors */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 638 if (unlikely(stat & GRETH_TXBD_STATUS)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 639 dev->stats.tx_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 640 if (stat & GRETH_TXBD_ERR_AL)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 641 dev->stats.tx_aborted_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 642 if (stat & GRETH_TXBD_ERR_UE)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 643 dev->stats.tx_fifo_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 644 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 645 dev->stats.tx_packets++;
6af29a963cecf42 drivers/net/greth.c Daniel Hellstrom 2011-09-08 646 dev->stats.tx_bytes += greth->tx_bufs_length[greth->tx_last];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 647 greth->tx_last = NEXT_TX(greth->tx_last);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 648 greth->tx_free++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 649 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 650
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 651 if (greth->tx_free > 0) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 652 netif_wake_queue(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 653 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 654 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 655
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 656 static inline void greth_update_tx_stats(struct net_device *dev, u32 stat)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 657 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 658 /* Check status for errors */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 659 if (unlikely(stat & GRETH_TXBD_STATUS)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 660 dev->stats.tx_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 661 if (stat & GRETH_TXBD_ERR_AL)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 662 dev->stats.tx_aborted_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 663 if (stat & GRETH_TXBD_ERR_UE)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 664 dev->stats.tx_fifo_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 665 if (stat & GRETH_TXBD_ERR_LC)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 666 dev->stats.tx_aborted_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 667 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 668 dev->stats.tx_packets++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 669 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 670
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 671 static void greth_clean_tx_gbit(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 672 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 673 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 674 struct greth_bd *bdp, *bdp_last_frag;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 675 struct sk_buff *skb = NULL;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 676 u32 stat;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 677 int nr_frags, i;
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 678 u16 tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 679
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 680 greth = netdev_priv(dev);
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 681 tx_last = greth->tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 682
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 683 while (tx_last != greth->tx_next) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 684
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 685 skb = greth->tx_skbuff[tx_last];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 686
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 687 nr_frags = skb_shinfo(skb)->nr_frags;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 688
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 689 /* We only clean fully completed SKBs */
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 690 bdp_last_frag = greth->tx_bd_base + SKIP_TX(tx_last, nr_frags);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 691
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 692 GRETH_REGSAVE(greth->regs->status, GRETH_INT_TE | GRETH_INT_TX);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 693 mb();
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 694 stat = greth_read_bd(&bdp_last_frag->stat);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 695
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 696 if (stat & GRETH_BD_EN)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 697 break;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 698
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 699 greth->tx_skbuff[tx_last] = NULL;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 700
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 701 greth_update_tx_stats(dev, stat);
6af29a963cecf42 drivers/net/greth.c Daniel Hellstrom 2011-09-08 702 dev->stats.tx_bytes += skb->len;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 703
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 704 bdp = greth->tx_bd_base + tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 705
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 706 tx_last = NEXT_TX(tx_last);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 707
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 708 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 709 greth_read_bd(&bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 710 skb_headlen(skb),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 711 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 712
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 713 for (i = 0; i < nr_frags; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 714 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 715 bdp = greth->tx_bd_base + tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 716
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 717 dma_unmap_page(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 718 greth_read_bd(&bdp->addr),
9e903e085262ffb drivers/net/ethernet/aeroflex/greth.c Eric Dumazet 2011-10-18 719 skb_frag_size(frag),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 720 DMA_TO_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 721
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 722 tx_last = NEXT_TX(tx_last);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 723 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 724 dev_kfree_skb(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 725 }
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 726 if (skb) { /* skb is set only if the above while loop was entered */
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 727 wmb();
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 728 greth->tx_last = tx_last;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 729
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 730 if (netif_queue_stopped(dev) &&
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 731 (greth_num_free_bds(tx_last, greth->tx_next) >
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 732 (MAX_SKB_FRAGS+1)))
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 733 netif_wake_queue(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 734 }
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 735 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 736
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 737 static int greth_rx(struct net_device *dev, int limit)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 738 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 739 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 740 struct greth_bd *bdp;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 741 struct sk_buff *skb;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 742 int pkt_len;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 743 int bad, count;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 744 u32 status, dma_addr;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 745 unsigned long flags;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 746
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 747 greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 748
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 749 for (count = 0; count < limit; ++count) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 750
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 751 bdp = greth->rx_bd_base + greth->rx_cur;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 752 GRETH_REGSAVE(greth->regs->status, GRETH_INT_RE | GRETH_INT_RX);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 753 mb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 754 status = greth_read_bd(&bdp->stat);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 755
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 756 if (unlikely(status & GRETH_BD_EN)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 757 break;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 758 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 759
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 760 dma_addr = greth_read_bd(&bdp->addr);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 761 bad = 0;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 762
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 763 /* Check status for errors. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 764 if (unlikely(status & GRETH_RXBD_STATUS)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 765 if (status & GRETH_RXBD_ERR_FT) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 766 dev->stats.rx_length_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 767 bad = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 768 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 769 if (status & (GRETH_RXBD_ERR_AE | GRETH_RXBD_ERR_OE)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 770 dev->stats.rx_frame_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 771 bad = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 772 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 773 if (status & GRETH_RXBD_ERR_CRC) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 774 dev->stats.rx_crc_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 775 bad = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 776 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 777 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 778 if (unlikely(bad)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 779 dev->stats.rx_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 780
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 781 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 782
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 783 pkt_len = status & GRETH_BD_LEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 784
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 785 skb = netdev_alloc_skb(dev, pkt_len + NET_IP_ALIGN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 786
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 787 if (unlikely(skb == NULL)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 788
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 789 if (net_ratelimit())
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 790 dev_warn(&dev->dev, "low on memory - " "packet dropped\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 791
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 792 dev->stats.rx_dropped++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 793
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 794 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 795 skb_reserve(skb, NET_IP_ALIGN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 796
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 797 dma_sync_single_for_cpu(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 798 dma_addr,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 799 pkt_len,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 800 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 801
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 802 if (netif_msg_pktdata(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 803 greth_print_rx_packet(phys_to_virt(dma_addr), pkt_len);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 804
59ae1d127ac0ae4 drivers/net/ethernet/aeroflex/greth.c Johannes Berg 2017-06-16 805 skb_put_data(skb, phys_to_virt(dma_addr),
59ae1d127ac0ae4 drivers/net/ethernet/aeroflex/greth.c Johannes Berg 2017-06-16 806 pkt_len);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 807
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 808 skb->protocol = eth_type_trans(skb, dev);
6af29a963cecf42 drivers/net/greth.c Daniel Hellstrom 2011-09-08 809 dev->stats.rx_bytes += pkt_len;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 810 dev->stats.rx_packets++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 811 netif_receive_skb(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 812 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 813 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 814
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 815 status = GRETH_BD_EN | GRETH_BD_IE;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 816 if (greth->rx_cur == GRETH_RXBD_NUM_MASK) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 817 status |= GRETH_BD_WR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 818 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 819
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 820 wmb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 821 greth_write_bd(&bdp->stat, status);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 822
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 823 dma_sync_single_for_device(greth->dev, dma_addr, MAX_FRAME_SIZE, DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 824
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 825 spin_lock_irqsave(&greth->devlock, flags); /* save from XMIT */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 826 greth_enable_rx(greth);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 827 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 828
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 829 greth->rx_cur = NEXT_RX(greth->rx_cur);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 830 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 831
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 832 return count;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 833 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 834
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 835 static inline int hw_checksummed(u32 status)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 836 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 837
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 838 if (status & GRETH_RXBD_IP_FRAG)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 839 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 840
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 841 if (status & GRETH_RXBD_IP && status & GRETH_RXBD_IP_CSERR)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 842 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 843
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 844 if (status & GRETH_RXBD_UDP && status & GRETH_RXBD_UDP_CSERR)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 845 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 846
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 847 if (status & GRETH_RXBD_TCP && status & GRETH_RXBD_TCP_CSERR)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 848 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 849
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 850 return 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 851 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 852
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 853 static int greth_rx_gbit(struct net_device *dev, int limit)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 854 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 855 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 856 struct greth_bd *bdp;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 857 struct sk_buff *skb, *newskb;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 858 int pkt_len;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 859 int bad, count = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 860 u32 status, dma_addr;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 861 unsigned long flags;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 862
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 863 greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 864
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 865 for (count = 0; count < limit; ++count) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 866
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 867 bdp = greth->rx_bd_base + greth->rx_cur;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 868 skb = greth->rx_skbuff[greth->rx_cur];
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 869 GRETH_REGSAVE(greth->regs->status, GRETH_INT_RE | GRETH_INT_RX);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 870 mb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 871 status = greth_read_bd(&bdp->stat);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 872 bad = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 873
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 874 if (status & GRETH_BD_EN)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 875 break;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 876
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 877 /* Check status for errors. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 878 if (unlikely(status & GRETH_RXBD_STATUS)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 879
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 880 if (status & GRETH_RXBD_ERR_FT) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 881 dev->stats.rx_length_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 882 bad = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 883 } else if (status &
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 884 (GRETH_RXBD_ERR_AE | GRETH_RXBD_ERR_OE | GRETH_RXBD_ERR_LE)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 885 dev->stats.rx_frame_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 886 bad = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 887 } else if (status & GRETH_RXBD_ERR_CRC) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 888 dev->stats.rx_crc_errors++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 889 bad = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 890 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 891 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 892
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 893 /* Allocate new skb to replace current, not needed if the
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 894 * current skb can be reused */
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 895 if (!bad && (newskb=netdev_alloc_skb(dev, MAX_FRAME_SIZE + NET_IP_ALIGN))) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 896 skb_reserve(newskb, NET_IP_ALIGN);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 897
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 898 dma_addr = dma_map_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 899 newskb->data,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 900 MAX_FRAME_SIZE + NET_IP_ALIGN,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 901 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 902
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 903 if (!dma_mapping_error(greth->dev, dma_addr)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 904 /* Process the incoming frame. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 905 pkt_len = status & GRETH_BD_LEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 906
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 907 dma_unmap_single(greth->dev,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 908 greth_read_bd(&bdp->addr),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 909 MAX_FRAME_SIZE + NET_IP_ALIGN,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 910 DMA_FROM_DEVICE);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 911
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 912 if (netif_msg_pktdata(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 913 greth_print_rx_packet(phys_to_virt(greth_read_bd(&bdp->addr)), pkt_len);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 914
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 915 skb_put(skb, pkt_len);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 916
131ae329702755d drivers/net/greth.c Micha?? Miros??aw 2011-04-17 917 if (dev->features & NETIF_F_RXCSUM && hw_checksummed(status))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 918 skb->ip_summed = CHECKSUM_UNNECESSARY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 919 else
bc8acf2c8c3e43f drivers/net/greth.c Eric Dumazet 2010-09-02 920 skb_checksum_none_assert(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 921
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 922 skb->protocol = eth_type_trans(skb, dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 923 dev->stats.rx_packets++;
6af29a963cecf42 drivers/net/greth.c Daniel Hellstrom 2011-09-08 924 dev->stats.rx_bytes += pkt_len;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 925 netif_receive_skb(skb);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 926
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 927 greth->rx_skbuff[greth->rx_cur] = newskb;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 928 greth_write_bd(&bdp->addr, dma_addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 929 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 930 if (net_ratelimit())
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 931 dev_warn(greth->dev, "Could not create DMA mapping, dropping packet\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 932 dev_kfree_skb(newskb);
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 933 /* reusing current skb, so it is a drop */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 934 dev->stats.rx_dropped++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 935 }
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 936 } else if (bad) {
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 937 /* Bad Frame transfer, the skb is reused */
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 938 dev->stats.rx_dropped++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 939 } else {
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 940 /* Failed Allocating a new skb. This is rather stupid
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 941 * but the current "filled" skb is reused, as if
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 942 * transfer failure. One could argue that RX descriptor
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 943 * table handling should be divided into cleaning and
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 944 * filling as the TX part of the driver
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 945 */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 946 if (net_ratelimit())
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 947 dev_warn(greth->dev, "Could not allocate SKB, dropping packet\n");
b669e7f0580f3c0 drivers/net/greth.c Daniel Hellstrom 2011-01-14 948 /* reusing current skb, so it is a drop */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 949 dev->stats.rx_dropped++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 950 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 951
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 952 status = GRETH_BD_EN | GRETH_BD_IE;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 953 if (greth->rx_cur == GRETH_RXBD_NUM_MASK) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 954 status |= GRETH_BD_WR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 955 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 956
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 957 wmb();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 958 greth_write_bd(&bdp->stat, status);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 959 spin_lock_irqsave(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 960 greth_enable_rx(greth);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 961 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 962 greth->rx_cur = NEXT_RX(greth->rx_cur);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 963 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 964
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 965 return count;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 966
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 967 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 968
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 969 static int greth_poll(struct napi_struct *napi, int budget)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 970 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 971 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 972 int work_done = 0;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 973 unsigned long flags;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 974 u32 mask, ctrl;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 975 greth = container_of(napi, struct greth_private, napi);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 976
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 977 restart_txrx_poll:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 978 if (greth->gbit_mac) {
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 979 greth_clean_tx_gbit(greth->netdev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 980 work_done += greth_rx_gbit(greth->netdev, budget - work_done);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 981 } else {
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 982 if (netif_queue_stopped(greth->netdev))
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 983 greth_clean_tx(greth->netdev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 984 work_done += greth_rx(greth->netdev, budget - work_done);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 985 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 986
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 987 if (work_done < budget) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 988
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 989 spin_lock_irqsave(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 990
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 991 ctrl = GRETH_REGLOAD(greth->regs->control);
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 992 if ((greth->gbit_mac && (greth->tx_last != greth->tx_next)) ||
e1743a16a043f3d drivers/net/ethernet/aeroflex/greth.c Daniel Hellstrom 2014-09-05 993 (!greth->gbit_mac && netif_queue_stopped(greth->netdev))) {
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 994 GRETH_REGSAVE(greth->regs->control,
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 995 ctrl | GRETH_TXI | GRETH_RXI);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 996 mask = GRETH_INT_RX | GRETH_INT_RE |
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 997 GRETH_INT_TX | GRETH_INT_TE;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 998 } else {
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 999 GRETH_REGSAVE(greth->regs->control, ctrl | GRETH_RXI);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1000 mask = GRETH_INT_RX | GRETH_INT_RE;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1001 }
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1002
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1003 if (GRETH_REGLOAD(greth->regs->status) & mask) {
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1004 GRETH_REGSAVE(greth->regs->control, ctrl);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1005 spin_unlock_irqrestore(&greth->devlock, flags);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1006 goto restart_txrx_poll;
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1007 } else {
32e19300a4f6705 drivers/net/ethernet/aeroflex/greth.c Eric Dumazet 2017-02-04 1008 napi_complete_done(napi, work_done);
0f73f2c5a3ebb95 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1009 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1010 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1011 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1012
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1013 return work_done;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1014 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1015
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1016 static int greth_set_mac_add(struct net_device *dev, void *p)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1017 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1018 struct sockaddr *addr = p;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1019 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1020 struct greth_regs *regs;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1021
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1022 greth = netdev_priv(dev);
6469933605a3ecd drivers/net/ethernet/aeroflex/greth.c Joe Perches 2012-06-04 1023 regs = greth->regs;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1024
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1025 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a6bb5336 drivers/net/ethernet/aeroflex/greth.c Danny Kukawka 2012-02-21 1026 return -EADDRNOTAVAIL;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1027
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1028 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9b9cfe7cf663c16 drivers/net/greth.c Kristoffer Glembo 2011-07-04 1029 GRETH_REGSAVE(regs->esa_msb, dev->dev_addr[0] << 8 | dev->dev_addr[1]);
9b9cfe7cf663c16 drivers/net/greth.c Kristoffer Glembo 2011-07-04 1030 GRETH_REGSAVE(regs->esa_lsb, dev->dev_addr[2] << 24 | dev->dev_addr[3] << 16 |
9b9cfe7cf663c16 drivers/net/greth.c Kristoffer Glembo 2011-07-04 1031 dev->dev_addr[4] << 8 | dev->dev_addr[5]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1032
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1033 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1034 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1035
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1036 static u32 greth_hash_get_index(__u8 *addr)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1037 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1038 return (ether_crc(6, addr)) & 0x3F;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1039 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1040
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1041 static void greth_set_hash_filter(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1042 {
22bedad3ce112d5 drivers/net/greth.c Jiri Pirko 2010-04-01 1043 struct netdev_hw_addr *ha;
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1044 struct greth_private *greth = netdev_priv(dev);
6469933605a3ecd drivers/net/ethernet/aeroflex/greth.c Joe Perches 2012-06-04 1045 struct greth_regs *regs = greth->regs;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1046 u32 mc_filter[2];
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1047 unsigned int bitnr;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1048
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1049 mc_filter[0] = mc_filter[1] = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1050
22bedad3ce112d5 drivers/net/greth.c Jiri Pirko 2010-04-01 1051 netdev_for_each_mc_addr(ha, dev) {
22bedad3ce112d5 drivers/net/greth.c Jiri Pirko 2010-04-01 1052 bitnr = greth_hash_get_index(ha->addr);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1053 mc_filter[bitnr >> 5] |= 1 << (bitnr & 31);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1054 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1055
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1056 GRETH_REGSAVE(regs->hash_msb, mc_filter[1]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1057 GRETH_REGSAVE(regs->hash_lsb, mc_filter[0]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1058 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1059
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1060 static void greth_set_multicast_list(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1061 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1062 int cfg;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1063 struct greth_private *greth = netdev_priv(dev);
6469933605a3ecd drivers/net/ethernet/aeroflex/greth.c Joe Perches 2012-06-04 1064 struct greth_regs *regs = greth->regs;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1065
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1066 cfg = GRETH_REGLOAD(regs->control);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1067 if (dev->flags & IFF_PROMISC)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1068 cfg |= GRETH_CTRL_PR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1069 else
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1070 cfg &= ~GRETH_CTRL_PR;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1071
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1072 if (greth->multicast) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1073 if (dev->flags & IFF_ALLMULTI) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1074 GRETH_REGSAVE(regs->hash_msb, -1);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1075 GRETH_REGSAVE(regs->hash_lsb, -1);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1076 cfg |= GRETH_CTRL_MCEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1077 GRETH_REGSAVE(regs->control, cfg);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1078 return;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1079 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1080
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1081 if (netdev_mc_empty(dev)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1082 cfg &= ~GRETH_CTRL_MCEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1083 GRETH_REGSAVE(regs->control, cfg);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1084 return;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1085 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1086
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1087 /* Setup multicast filter */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1088 greth_set_hash_filter(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1089 cfg |= GRETH_CTRL_MCEN;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1090 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1091 GRETH_REGSAVE(regs->control, cfg);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1092 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1093
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1094 static u32 greth_get_msglevel(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1095 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1096 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1097 return greth->msg_enable;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1098 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1099
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1100 static void greth_set_msglevel(struct net_device *dev, u32 value)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1101 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1102 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1103 greth->msg_enable = value;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1104 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1105
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1106 static int greth_get_regs_len(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1107 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1108 return sizeof(struct greth_regs);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1109 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1110
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1111 static void greth_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1112 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1113 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1114
7826d43f2db45c9 drivers/net/ethernet/aeroflex/greth.c Jiri Pirko 2013-01-06 1115 strlcpy(info->driver, dev_driver_string(greth->dev),
7826d43f2db45c9 drivers/net/ethernet/aeroflex/greth.c Jiri Pirko 2013-01-06 1116 sizeof(info->driver));
7826d43f2db45c9 drivers/net/ethernet/aeroflex/greth.c Jiri Pirko 2013-01-06 1117 strlcpy(info->version, "revision: 1.0", sizeof(info->version));
7826d43f2db45c9 drivers/net/ethernet/aeroflex/greth.c Jiri Pirko 2013-01-06 1118 strlcpy(info->bus_info, greth->dev->bus->name, sizeof(info->bus_info));
7826d43f2db45c9 drivers/net/ethernet/aeroflex/greth.c Jiri Pirko 2013-01-06 1119 strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1120 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1121
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1122 static void greth_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1123 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1124 int i;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1125 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1126 u32 __iomem *greth_regs = (u32 __iomem *) greth->regs;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1127 u32 *buff = p;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1128
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1129 for (i = 0; i < sizeof(struct greth_regs) / sizeof(u32); i++)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1130 buff[i] = greth_read_bd(&greth_regs[i]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1131 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1132
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1133 static const struct ethtool_ops greth_ethtool_ops = {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1134 .get_msglevel = greth_get_msglevel,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1135 .set_msglevel = greth_set_msglevel,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1136 .get_drvinfo = greth_get_drvinfo,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1137 .get_regs_len = greth_get_regs_len,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1138 .get_regs = greth_get_regs,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1139 .get_link = ethtool_op_get_link,
72582fdb92457a1 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1140 .get_link_ksettings = phy_ethtool_get_link_ksettings,
72582fdb92457a1 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1141 .set_link_ksettings = phy_ethtool_set_link_ksettings,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1142 };
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1143
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1144 static struct net_device_ops greth_netdev_ops = {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1145 .ndo_open = greth_open,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1146 .ndo_stop = greth_close,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1147 .ndo_start_xmit = greth_start_xmit,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1148 .ndo_set_mac_address = greth_set_mac_add,
6e03718c852a7b2 drivers/net/greth.c kirjanov@gmail.com 2010-02-19 1149 .ndo_validate_addr = eth_validate_addr,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1150 };
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1151
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1152 static inline int wait_for_mdio(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1153 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1154 unsigned long timeout = jiffies + 4*HZ/100;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1155 while (GRETH_REGLOAD(greth->regs->mdio) & GRETH_MII_BUSY) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1156 if (time_after(jiffies, timeout))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1157 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1158 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1159 return 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1160 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1161
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1162 static int greth_mdio_read(struct mii_bus *bus, int phy, int reg)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1163 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1164 struct greth_private *greth = bus->priv;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1165 int data;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1166
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1167 if (!wait_for_mdio(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1168 return -EBUSY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1169
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1170 GRETH_REGSAVE(greth->regs->mdio, ((phy & 0x1F) << 11) | ((reg & 0x1F) << 6) | 2);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1171
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1172 if (!wait_for_mdio(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1173 return -EBUSY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1174
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1175 if (!(GRETH_REGLOAD(greth->regs->mdio) & GRETH_MII_NVALID)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1176 data = (GRETH_REGLOAD(greth->regs->mdio) >> 16) & 0xFFFF;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1177 return data;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1178
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1179 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1180 return -1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1181 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1182 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1183
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1184 static int greth_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1185 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1186 struct greth_private *greth = bus->priv;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1187
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1188 if (!wait_for_mdio(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1189 return -EBUSY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1190
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1191 GRETH_REGSAVE(greth->regs->mdio,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1192 ((val & 0xFFFF) << 16) | ((phy & 0x1F) << 11) | ((reg & 0x1F) << 6) | 1);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1193
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1194 if (!wait_for_mdio(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1195 return -EBUSY;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1196
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1197 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1198 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1199
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1200 static void greth_link_change(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1201 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1202 struct greth_private *greth = netdev_priv(dev);
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1203 struct phy_device *phydev = dev->phydev;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1204 unsigned long flags;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1205 int status_change = 0;
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1206 u32 ctrl;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1207
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1208 spin_lock_irqsave(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1209
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1210 if (phydev->link) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1211
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1212 if ((greth->speed != phydev->speed) || (greth->duplex != phydev->duplex)) {
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1213 ctrl = GRETH_REGLOAD(greth->regs->control) &
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1214 ~(GRETH_CTRL_FD | GRETH_CTRL_SP | GRETH_CTRL_GB);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1215
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1216 if (phydev->duplex)
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1217 ctrl |= GRETH_CTRL_FD;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1218
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1219 if (phydev->speed == SPEED_100)
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1220 ctrl |= GRETH_CTRL_SP;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1221 else if (phydev->speed == SPEED_1000)
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1222 ctrl |= GRETH_CTRL_GB;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1223
2436af8ca7a6c46 drivers/net/greth.c Daniel Hellstrom 2011-01-14 1224 GRETH_REGSAVE(greth->regs->control, ctrl);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1225 greth->speed = phydev->speed;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1226 greth->duplex = phydev->duplex;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1227 status_change = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1228 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1229 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1230
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1231 if (phydev->link != greth->link) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1232 if (!phydev->link) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1233 greth->speed = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1234 greth->duplex = -1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1235 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1236 greth->link = phydev->link;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1237
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1238 status_change = 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1239 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1240
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1241 spin_unlock_irqrestore(&greth->devlock, flags);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1242
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1243 if (status_change) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1244 if (phydev->link)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1245 pr_debug("%s: link up (%d/%s)\n",
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1246 dev->name, phydev->speed,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1247 DUPLEX_FULL == phydev->duplex ? "Full" : "Half");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1248 else
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1249 pr_debug("%s: link down\n", dev->name);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1250 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1251 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1252
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1253 static int greth_mdio_probe(struct net_device *dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1254 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1255 struct greth_private *greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1256 struct phy_device *phy = NULL;
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1257 int ret;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1258
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1259 /* Find the first PHY */
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1260 phy = phy_find_first(greth->mdio);
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1261
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1262 if (!phy) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1263 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1264 dev_err(&dev->dev, "no PHY found\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1265 return -ENXIO;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1266 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1267
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1268 ret = phy_connect_direct(dev, phy, &greth_link_change,
f9a8f83b04e0c36 drivers/net/ethernet/aeroflex/greth.c Florian Fainelli 2013-01-14 1269 greth->gbit_mac ? PHY_INTERFACE_MODE_GMII : PHY_INTERFACE_MODE_MII);
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1270 if (ret) {
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1271 if (netif_msg_ifup(greth))
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1272 dev_err(&dev->dev, "could not attach to PHY\n");
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1273 return ret;
6e03718c852a7b2 drivers/net/greth.c kirjanov at gmail.com 2010-02-19 1274 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1275
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1276 if (greth->gbit_mac)
58056c1e1b0e495 drivers/net/ethernet/aeroflex/greth.c Andrew Lunn 2018-09-12 1277 phy_set_max_speed(phy, SPEED_1000);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1278 else
58056c1e1b0e495 drivers/net/ethernet/aeroflex/greth.c Andrew Lunn 2018-09-12 1279 phy_set_max_speed(phy, SPEED_100);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1280
3c1bcc8614db108 drivers/net/ethernet/aeroflex/greth.c Andrew Lunn 2018-11-10 1281 linkmode_copy(phy->advertising, phy->supported);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1282
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1283 greth->link = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1284 greth->speed = 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1285 greth->duplex = -1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1286
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1287 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1288 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1289
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1290 static int greth_mdio_init(struct greth_private *greth)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1291 {
b1ac6b7b4061f6c drivers/net/ethernet/aeroflex/greth.c Sam Ravnborg 2016-04-24 1292 int ret;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1293 unsigned long timeout;
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1294 struct net_device *ndev = greth->netdev;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1295
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1296 greth->mdio = mdiobus_alloc();
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1297 if (!greth->mdio) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1298 return -ENOMEM;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1299 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1300
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1301 greth->mdio->name = "greth-mdio";
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1302 snprintf(greth->mdio->id, MII_BUS_ID_SIZE, "%s-%d", greth->mdio->name, greth->irq);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1303 greth->mdio->read = greth_mdio_read;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1304 greth->mdio->write = greth_mdio_write;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1305 greth->mdio->priv = greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1306
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1307 ret = mdiobus_register(greth->mdio);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1308 if (ret) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1309 goto error;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1310 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1311
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1312 ret = greth_mdio_probe(greth->netdev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1313 if (ret) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1314 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1315 dev_err(&greth->netdev->dev, "failed to probe MDIO bus\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1316 goto unreg_mdio;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1317 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1318
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1319 phy_start(ndev->phydev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1320
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1321 /* If Ethernet debug link is used make autoneg happen right away */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1322 if (greth->edcl && greth_edcl == 1) {
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1323 phy_start_aneg(ndev->phydev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1324 timeout = jiffies + 6*HZ;
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1325 while (!phy_aneg_done(ndev->phydev) &&
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1326 time_before(jiffies, timeout)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1327 }
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1328 phy_read_status(ndev->phydev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1329 greth_link_change(greth->netdev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1330 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1331
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1332 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1333
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1334 unreg_mdio:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1335 mdiobus_unregister(greth->mdio);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1336 error:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1337 mdiobus_free(greth->mdio);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1338 return ret;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1339 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1340
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1341 /* Initialize the GRETH MAC */
c0c0e29d8c94fb4 drivers/net/ethernet/aeroflex/greth.c Bill Pemberton 2012-12-03 1342 static int greth_of_probe(struct platform_device *ofdev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1343 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1344 struct net_device *dev;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1345 struct greth_private *greth;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1346 struct greth_regs *regs;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1347
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1348 int i;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1349 int err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1350 int tmp;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1351 unsigned long timeout;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1352
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1353 dev = alloc_etherdev(sizeof(struct greth_private));
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1354
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1355 if (dev == NULL)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1356 return -ENOMEM;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1357
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1358 greth = netdev_priv(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1359 greth->netdev = dev;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1360 greth->dev = &ofdev->dev;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1361
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1362 if (greth_debug > 0)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1363 greth->msg_enable = greth_debug;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1364 else
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1365 greth->msg_enable = GRETH_DEF_MSG_ENABLE;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1366
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1367 spin_lock_init(&greth->devlock);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1368
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1369 greth->regs = of_ioremap(&ofdev->resource[0], 0,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1370 resource_size(&ofdev->resource[0]),
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1371 "grlib-greth regs");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1372
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1373 if (greth->regs == NULL) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1374 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1375 dev_err(greth->dev, "ioremap failure.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1376 err = -EIO;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1377 goto error1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1378 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1379
6469933605a3ecd drivers/net/ethernet/aeroflex/greth.c Joe Perches 2012-06-04 1380 regs = greth->regs;
19e4875fb21a69f drivers/net/greth.c Grant Likely 2010-08-08 1381 greth->irq = ofdev->archdata.irqs[0];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1382
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1383 dev_set_drvdata(greth->dev, dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1384 SET_NETDEV_DEV(dev, greth->dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1385
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1386 if (netif_msg_probe(greth))
72e60278d7e4a60 drivers/net/ethernet/aeroflex/greth.c Masanari Iida 2012-02-09 1387 dev_dbg(greth->dev, "resetting controller.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1388
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1389 /* Reset the controller. */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1390 GRETH_REGSAVE(regs->control, GRETH_RESET);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1391
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1392 /* Wait for MAC to reset itself */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1393 timeout = jiffies + HZ/100;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1394 while (GRETH_REGLOAD(regs->control) & GRETH_RESET) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1395 if (time_after(jiffies, timeout)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1396 err = -EIO;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1397 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1398 dev_err(greth->dev, "timeout when waiting for reset.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1399 goto error2;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1400 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1401 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1402
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1403 /* Get default PHY address */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1404 greth->phyaddr = (GRETH_REGLOAD(regs->mdio) >> 11) & 0x1F;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1405
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1406 /* Check if we have GBIT capable MAC */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1407 tmp = GRETH_REGLOAD(regs->control);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1408 greth->gbit_mac = (tmp >> 27) & 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1409
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1410 /* Check for multicast capability */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1411 greth->multicast = (tmp >> 25) & 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1412
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1413 greth->edcl = (tmp >> 31) & 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1414
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1415 /* If we have EDCL we disable the EDCL speed-duplex FSM so
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1416 * it doesn't interfere with the software */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1417 if (greth->edcl != 0)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1418 GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1419
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1420 /* Check if MAC can handle MDIO interrupts */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1421 greth->mdio_int_en = (tmp >> 26) & 1;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1422
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1423 err = greth_mdio_init(greth);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1424 if (err) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1425 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1426 dev_err(greth->dev, "failed to register MDIO bus\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1427 goto error2;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1428 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1429
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1430 /* Allocate TX descriptor ring in coherent memory */
750afb08ca71310 drivers/net/ethernet/aeroflex/greth.c Luis Chamberlain 2019-01-04 1431 greth->tx_bd_base = dma_alloc_coherent(greth->dev, 1024,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1432 &greth->tx_bd_base_phys,
ede23fa8161c1a0 drivers/net/ethernet/aeroflex/greth.c Joe Perches 2013-08-26 1433 GFP_KERNEL);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1434 if (!greth->tx_bd_base) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1435 err = -ENOMEM;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1436 goto error3;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1437 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1438
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1439 /* Allocate RX descriptor ring in coherent memory */
750afb08ca71310 drivers/net/ethernet/aeroflex/greth.c Luis Chamberlain 2019-01-04 1440 greth->rx_bd_base = dma_alloc_coherent(greth->dev, 1024,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1441 &greth->rx_bd_base_phys,
ede23fa8161c1a0 drivers/net/ethernet/aeroflex/greth.c Joe Perches 2013-08-26 1442 GFP_KERNEL);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1443 if (!greth->rx_bd_base) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1444 err = -ENOMEM;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1445 goto error4;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1446 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1447
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1448 /* Get MAC address from: module param, OF property or ID prom */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1449 for (i = 0; i < 6; i++) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1450 if (macaddr[i] != 0)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1451 break;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1452 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1453 if (i == 6) {
726bceca81ba099 drivers/net/ethernet/aeroflex/greth.c Tobias Klauser 2017-03-21 1454 const u8 *addr;
726bceca81ba099 drivers/net/ethernet/aeroflex/greth.c Tobias Klauser 2017-03-21 1455
726bceca81ba099 drivers/net/ethernet/aeroflex/greth.c Tobias Klauser 2017-03-21 1456 addr = of_get_mac_address(ofdev->dev.of_node);
a51645f70f6384a drivers/net/ethernet/aeroflex/greth.c Petr ??tetiar 2019-05-06 1457 if (!IS_ERR(addr)) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1458 for (i = 0; i < 6; i++)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1459 macaddr[i] = (unsigned int) addr[i];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1460 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1461 #ifdef CONFIG_SPARC
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1462 for (i = 0; i < 6; i++)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1463 macaddr[i] = (unsigned int) idprom->id_ethaddr[i];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1464 #endif
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1465 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1466 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1467
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1468 for (i = 0; i < 6; i++)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1469 dev->dev_addr[i] = macaddr[i];
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1470
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1471 macaddr[5]++;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1472
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1473 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1474 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1475 dev_err(greth->dev, "no valid ethernet address, aborting.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1476 err = -EINVAL;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1477 goto error5;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1478 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1479
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1480 GRETH_REGSAVE(regs->esa_msb, dev->dev_addr[0] << 8 | dev->dev_addr[1]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1481 GRETH_REGSAVE(regs->esa_lsb, dev->dev_addr[2] << 24 | dev->dev_addr[3] << 16 |
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1482 dev->dev_addr[4] << 8 | dev->dev_addr[5]);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1483
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1484 /* Clear all pending interrupts except PHY irq */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1485 GRETH_REGSAVE(regs->status, 0xFF);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1486
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1487 if (greth->gbit_mac) {
131ae329702755d drivers/net/greth.c Micha?? Miros??aw 2011-04-17 1488 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
131ae329702755d drivers/net/greth.c Micha?? Miros??aw 2011-04-17 1489 NETIF_F_RXCSUM;
131ae329702755d drivers/net/greth.c Micha?? Miros??aw 2011-04-17 1490 dev->features = dev->hw_features | NETIF_F_HIGHDMA;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1491 greth_netdev_ops.ndo_start_xmit = greth_start_xmit_gbit;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1492 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1493
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1494 if (greth->multicast) {
afc4b13df143122 drivers/net/ethernet/aeroflex/greth.c Jiri Pirko 2011-08-16 1495 greth_netdev_ops.ndo_set_rx_mode = greth_set_multicast_list;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1496 dev->flags |= IFF_MULTICAST;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1497 } else {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1498 dev->flags &= ~IFF_MULTICAST;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1499 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1500
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1501 dev->netdev_ops = &greth_netdev_ops;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1502 dev->ethtool_ops = &greth_ethtool_ops;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1503
cb5d991a9910456 drivers/net/greth.c Tobias Klauser 2010-08-17 1504 err = register_netdev(dev);
cb5d991a9910456 drivers/net/greth.c Tobias Klauser 2010-08-17 1505 if (err) {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1506 if (netif_msg_probe(greth))
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1507 dev_err(greth->dev, "netdevice registration failed.\n");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1508 goto error5;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1509 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1510
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1511 /* setup NAPI */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1512 netif_napi_add(dev, &greth->napi, greth_poll, 64);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1513
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1514 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1515
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1516 error5:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1517 dma_free_coherent(greth->dev, 1024, greth->rx_bd_base, greth->rx_bd_base_phys);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1518 error4:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1519 dma_free_coherent(greth->dev, 1024, greth->tx_bd_base, greth->tx_bd_base_phys);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1520 error3:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1521 mdiobus_unregister(greth->mdio);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1522 error2:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1523 of_iounmap(&ofdev->resource[0], greth->regs, resource_size(&ofdev->resource[0]));
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1524 error1:
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1525 free_netdev(dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1526 return err;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1527 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1528
c0c0e29d8c94fb4 drivers/net/ethernet/aeroflex/greth.c Bill Pemberton 2012-12-03 1529 static int greth_of_remove(struct platform_device *of_dev)
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1530 {
8513fbd880093f0 drivers/net/ethernet/aeroflex/greth.c Jingoo Han 2013-05-23 1531 struct net_device *ndev = platform_get_drvdata(of_dev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1532 struct greth_private *greth = netdev_priv(ndev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1533
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1534 /* Free descriptor areas */
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1535 dma_free_coherent(&of_dev->dev, 1024, greth->rx_bd_base, greth->rx_bd_base_phys);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1536
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1537 dma_free_coherent(&of_dev->dev, 1024, greth->tx_bd_base, greth->tx_bd_base_phys);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1538
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1539 if (ndev->phydev)
65752dda4b52573 drivers/net/ethernet/aeroflex/greth.c Philippe Reynes 2016-07-30 1540 phy_stop(ndev->phydev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1541 mdiobus_unregister(greth->mdio);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1542
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1543 unregister_netdev(ndev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1544 free_netdev(ndev);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1545
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1546 of_iounmap(&of_dev->resource[0], greth->regs, resource_size(&of_dev->resource[0]));
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1547
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1548 return 0;
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1549 }
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1550
73c7047464f26c0 drivers/net/ethernet/aeroflex/greth.c Fabian Frederick 2015-03-17 1551 static const struct of_device_id greth_of_match[] = {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1552 {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1553 .name = "GAISLER_ETHMAC",
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1554 },
ad4650a89ac47bd drivers/net/greth.c Daniel Hellstrom 2011-01-14 1555 {
ad4650a89ac47bd drivers/net/greth.c Daniel Hellstrom 2011-01-14 1556 .name = "01_01d",
ad4650a89ac47bd drivers/net/greth.c Daniel Hellstrom 2011-01-14 1557 },
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1558 {},
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1559 };
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1560
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1561 MODULE_DEVICE_TABLE(of, greth_of_match);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1562
74888760d40b3ac drivers/net/greth.c Grant Likely 2011-02-22 1563 static struct platform_driver greth_of_driver = {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1564 .driver = {
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1565 .name = "grlib-greth",
bc284f94f84c3d7 drivers/net/greth.c David S. Miller 2010-05-31 1566 .of_match_table = greth_of_match,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1567 },
bc284f94f84c3d7 drivers/net/greth.c David S. Miller 2010-05-31 1568 .probe = greth_of_probe,
c0c0e29d8c94fb4 drivers/net/ethernet/aeroflex/greth.c Bill Pemberton 2012-12-03 1569 .remove = greth_of_remove,
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1570 };
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1571
db62f684deeb291 drivers/net/ethernet/aeroflex/greth.c Axel Lin 2011-11-27 1572 module_platform_driver(greth_of_driver);
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1573
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1574 MODULE_AUTHOR("Aeroflex Gaisler AB.");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1575 MODULE_DESCRIPTION("Aeroflex Gaisler Ethernet MAC driver");
d4c41139df6e74c drivers/net/greth.c Kristoffer Glembo 2010-02-15 1576 MODULE_LICENSE("GPL");
:::::: The code at line 113 was first introduced by commit
:::::: ab7e11d9d0293ef1802d6ae8aab39ce58472b167 greth: convert to SKB paged frag API.
:::::: TO: Ian Campbell <Ian.Campbell@citrix.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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2019-07-24 4:32 [Intel-wired-lan] [jkirsher-next-queue:dev-queue 13/116] drivers/net/ethernet/aeroflex/greth.c:113:36: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size' kbuild test robot
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