[PATCH] myri10ge annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
parent
bffa215495
commit
40f6cff5c4
3 changed files with 76 additions and 71 deletions
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@ -89,7 +89,7 @@ MODULE_LICENSE("Dual BSD/GPL");
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#define MYRI10GE_EEPROM_STRINGS_SIZE 256
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#define MYRI10GE_MAX_SEND_DESC_TSO ((65536 / 2048) * 2)
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#define MYRI10GE_NO_CONFIRM_DATA 0xffffffff
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#define MYRI10GE_NO_CONFIRM_DATA htonl(0xffffffff)
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#define MYRI10GE_NO_RESPONSE_RESULT 0xffffffff
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struct myri10ge_rx_buffer_state {
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@ -156,8 +156,8 @@ struct myri10ge_priv {
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int sram_size;
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unsigned long board_span;
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unsigned long iomem_base;
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u32 __iomem *irq_claim;
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u32 __iomem *irq_deassert;
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__be32 __iomem *irq_claim;
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__be32 __iomem *irq_deassert;
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char *mac_addr_string;
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struct mcp_cmd_response *cmd;
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dma_addr_t cmd_bus;
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@ -165,10 +165,10 @@ struct myri10ge_priv {
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dma_addr_t fw_stats_bus;
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struct pci_dev *pdev;
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int msi_enabled;
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unsigned int link_state;
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__be32 link_state;
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unsigned int rdma_tags_available;
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int intr_coal_delay;
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u32 __iomem *intr_coal_delay_ptr;
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__be32 __iomem *intr_coal_delay_ptr;
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int mtrr;
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int wake_queue;
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int stop_queue;
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@ -273,6 +273,11 @@ MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)");
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#define myri10ge_pio_copy(to,from,size) __iowrite64_copy(to,from,size/8)
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static inline void put_be32(__be32 val, __be32 __iomem *p)
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{
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__raw_writel((__force __u32)val, (__force void __iomem *)p);
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}
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static int
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myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
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struct myri10ge_cmd *data, int atomic)
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@ -296,7 +301,7 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
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buf->response_addr.low = htonl(dma_low);
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buf->response_addr.high = htonl(dma_high);
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response->result = MYRI10GE_NO_RESPONSE_RESULT;
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response->result = htonl(MYRI10GE_NO_RESPONSE_RESULT);
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mb();
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myri10ge_pio_copy(cmd_addr, buf, sizeof(*buf));
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@ -311,14 +316,14 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
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* (1ms will be enough for those commands) */
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for (sleep_total = 0;
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sleep_total < 1000
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&& response->result == MYRI10GE_NO_RESPONSE_RESULT;
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&& response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
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sleep_total += 10)
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udelay(10);
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} else {
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/* use msleep for most command */
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for (sleep_total = 0;
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sleep_total < 15
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&& response->result == MYRI10GE_NO_RESPONSE_RESULT;
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&& response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
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sleep_total++)
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msleep(1);
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}
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@ -393,7 +398,7 @@ abort:
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static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
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{
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char __iomem *submit;
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u32 buf[16];
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__be32 buf[16];
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u32 dma_low, dma_high;
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int i;
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@ -410,7 +415,7 @@ static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
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buf[0] = htonl(dma_high); /* confirm addr MSW */
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buf[1] = htonl(dma_low); /* confirm addr LSW */
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buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */
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buf[2] = MYRI10GE_NO_CONFIRM_DATA; /* confirm data */
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buf[3] = htonl(dma_high); /* dummy addr MSW */
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buf[4] = htonl(dma_low); /* dummy addr LSW */
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buf[5] = htonl(enable); /* enable? */
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@ -479,7 +484,7 @@ static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size)
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}
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/* check id */
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hdr_offset = ntohl(*(u32 *) (fw->data + MCP_HEADER_PTR_OFFSET));
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hdr_offset = ntohl(*(__be32 *) (fw->data + MCP_HEADER_PTR_OFFSET));
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if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > fw->size) {
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dev_err(dev, "Bad firmware file\n");
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status = -EINVAL;
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@ -550,7 +555,7 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
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static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
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{
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char __iomem *submit;
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u32 buf[16];
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__be32 buf[16];
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u32 dma_low, dma_high, size;
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int status, i;
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@ -600,7 +605,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
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buf[0] = htonl(dma_high); /* confirm addr MSW */
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buf[1] = htonl(dma_low); /* confirm addr LSW */
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buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */
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buf[2] = MYRI10GE_NO_CONFIRM_DATA; /* confirm data */
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/* FIX: All newest firmware should un-protect the bottom of
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* the sram before handoff. However, the very first interfaces
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@ -705,21 +710,21 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
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status |=
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myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
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mgp->irq_claim = (__iomem u32 *) (mgp->sram + cmd.data0);
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mgp->irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
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if (!mgp->msi_enabled) {
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status |= myri10ge_send_cmd
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(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET, &cmd, 0);
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mgp->irq_deassert = (__iomem u32 *) (mgp->sram + cmd.data0);
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mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
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}
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status |= myri10ge_send_cmd
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(mgp, MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, &cmd, 0);
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mgp->intr_coal_delay_ptr = (__iomem u32 *) (mgp->sram + cmd.data0);
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mgp->intr_coal_delay_ptr = (__iomem __be32 *) (mgp->sram + cmd.data0);
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if (status != 0) {
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dev_err(&mgp->pdev->dev, "failed set interrupt parameters\n");
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return status;
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}
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__raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
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put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
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/* Run a small DMA test.
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* The magic multipliers to the length tell the firmware
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@ -786,14 +791,14 @@ static inline void
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myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst,
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struct mcp_kreq_ether_recv *src)
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{
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u32 low;
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__be32 low;
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low = src->addr_low;
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src->addr_low = DMA_32BIT_MASK;
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src->addr_low = htonl(DMA_32BIT_MASK);
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myri10ge_pio_copy(dst, src, 8 * sizeof(*src));
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mb();
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src->addr_low = low;
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__raw_writel(low, &dst->addr_low);
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put_be32(low, &dst->addr_low);
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mb();
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}
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@ -939,11 +944,11 @@ done:
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return retval;
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}
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static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum)
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static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, __wsum hw_csum)
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{
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struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data);
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if ((skb->protocol == ntohs(ETH_P_8021Q)) &&
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if ((skb->protocol == htons(ETH_P_8021Q)) &&
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(vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) ||
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vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) {
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skb->csum = hw_csum;
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@ -953,7 +958,7 @@ static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum)
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static inline unsigned long
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myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
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int bytes, int len, int csum)
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int bytes, int len, __wsum csum)
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{
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dma_addr_t bus;
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struct sk_buff *skb;
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@ -986,12 +991,12 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
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skb->protocol = eth_type_trans(skb, mgp->dev);
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if (mgp->csum_flag) {
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if ((skb->protocol == ntohs(ETH_P_IP)) ||
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(skb->protocol == ntohs(ETH_P_IPV6))) {
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skb->csum = ntohs((u16) csum);
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if ((skb->protocol == htons(ETH_P_IP)) ||
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(skb->protocol == htons(ETH_P_IPV6))) {
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skb->csum = csum;
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skb->ip_summed = CHECKSUM_COMPLETE;
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} else
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myri10ge_vlan_ip_csum(skb, ntohs((u16) csum));
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myri10ge_vlan_ip_csum(skb, csum);
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}
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netif_receive_skb(skb);
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@ -1060,12 +1065,12 @@ static inline void myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int *limit)
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int idx = rx_done->idx;
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int cnt = rx_done->cnt;
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u16 length;
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u16 checksum;
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__wsum checksum;
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while (rx_done->entry[idx].length != 0 && *limit != 0) {
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length = ntohs(rx_done->entry[idx].length);
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rx_done->entry[idx].length = 0;
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checksum = ntohs(rx_done->entry[idx].checksum);
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checksum = csum_unfold(rx_done->entry[idx].checksum);
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if (length <= mgp->small_bytes)
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rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small,
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mgp->small_bytes,
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@ -1142,7 +1147,7 @@ static int myri10ge_poll(struct net_device *netdev, int *budget)
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if (rx_done->entry[rx_done->idx].length == 0 || !netif_running(netdev)) {
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netif_rx_complete(netdev);
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__raw_writel(htonl(3), mgp->irq_claim);
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put_be32(htonl(3), mgp->irq_claim);
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return 0;
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}
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return 1;
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@ -1166,7 +1171,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
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netif_rx_schedule(mgp->dev);
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if (!mgp->msi_enabled) {
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__raw_writel(0, mgp->irq_deassert);
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put_be32(0, mgp->irq_deassert);
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if (!myri10ge_deassert_wait)
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stats->valid = 0;
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mb();
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@ -1195,7 +1200,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
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myri10ge_check_statblock(mgp);
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__raw_writel(htonl(3), mgp->irq_claim + 1);
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put_be32(htonl(3), mgp->irq_claim + 1);
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return (IRQ_HANDLED);
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}
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@ -1233,7 +1238,7 @@ myri10ge_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal)
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struct myri10ge_priv *mgp = netdev_priv(netdev);
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mgp->intr_coal_delay = coal->rx_coalesce_usecs;
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__raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
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put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
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return 0;
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}
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@ -1748,7 +1753,7 @@ static int myri10ge_open(struct net_device *dev)
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goto abort_with_rings;
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}
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mgp->link_state = -1;
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mgp->link_state = htonl(~0U);
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mgp->rdma_tags_available = 15;
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netif_poll_enable(mgp->dev); /* must happen prior to any irq */
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@ -1876,7 +1881,7 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src,
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/* re-write the last 32-bits with the valid flags */
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src->flags = last_flags;
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__raw_writel(*((u32 *) src + 3), (u32 __iomem *) dst + 3);
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put_be32(*((__be32 *) src + 3), (__be32 __iomem *) dst + 3);
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tx->req += cnt;
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mb();
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}
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@ -1919,7 +1924,8 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
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struct myri10ge_tx_buf *tx = &mgp->tx;
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struct skb_frag_struct *frag;
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dma_addr_t bus;
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u32 low, high_swapped;
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u32 low;
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__be32 high_swapped;
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unsigned int len;
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int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
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u16 pseudo_hdr_offset, cksum_offset;
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@ -1964,7 +1970,6 @@ again:
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cksum_offset = 0;
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pseudo_hdr_offset = 0;
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} else {
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pseudo_hdr_offset = htons(pseudo_hdr_offset);
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odd_flag = MXGEFW_FLAGS_ALIGN_ODD;
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flags |= MXGEFW_FLAGS_CKSUM;
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}
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@ -1986,7 +1991,7 @@ again:
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/* for TSO, pseudo_hdr_offset holds mss.
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* The firmware figures out where to put
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* the checksum by parsing the header. */
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pseudo_hdr_offset = htons(mss);
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pseudo_hdr_offset = mss;
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} else
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#endif /*NETIF_F_TSO */
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/* Mark small packets, and pad out tiny packets */
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@ -2086,7 +2091,7 @@ again:
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#endif /* NETIF_F_TSO */
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req->addr_high = high_swapped;
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req->addr_low = htonl(low);
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req->pseudo_hdr_offset = pseudo_hdr_offset;
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req->pseudo_hdr_offset = htons(pseudo_hdr_offset);
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req->pad = 0; /* complete solid 16-byte block; does this matter? */
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req->rdma_count = 1;
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req->length = htons(seglen);
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@ -2199,6 +2204,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
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struct myri10ge_cmd cmd;
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struct myri10ge_priv *mgp;
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struct dev_mc_list *mc_list;
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__be32 data[2] = {0, 0};
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int err;
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mgp = netdev_priv(dev);
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@ -2237,10 +2243,9 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
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/* Walk the multicast list, and add each address */
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for (mc_list = dev->mc_list; mc_list != NULL; mc_list = mc_list->next) {
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memcpy(&cmd.data0, &mc_list->dmi_addr, 4);
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memcpy(&cmd.data1, ((char *)&mc_list->dmi_addr) + 4, 2);
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cmd.data0 = htonl(cmd.data0);
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cmd.data1 = htonl(cmd.data1);
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memcpy(data, &mc_list->dmi_addr, 6);
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cmd.data0 = ntohl(data[0]);
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cmd.data1 = ntohl(data[1]);
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err = myri10ge_send_cmd(mgp, MXGEFW_JOIN_MULTICAST_GROUP,
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&cmd, 1);
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@ -6,23 +6,23 @@
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/* 8 Bytes */
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struct mcp_dma_addr {
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u32 high;
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u32 low;
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__be32 high;
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__be32 low;
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};
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/* 4 Bytes */
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struct mcp_slot {
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u16 checksum;
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u16 length;
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__sum16 checksum;
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__be16 length;
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};
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/* 64 Bytes */
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struct mcp_cmd {
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u32 cmd;
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u32 data0; /* will be low portion if data > 32 bits */
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__be32 cmd;
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__be32 data0; /* will be low portion if data > 32 bits */
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/* 8 */
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u32 data1; /* will be high portion if data > 32 bits */
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u32 data2; /* currently unused.. */
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__be32 data1; /* will be high portion if data > 32 bits */
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__be32 data2; /* currently unused.. */
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/* 16 */
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struct mcp_dma_addr response_addr;
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/* 24 */
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@ -31,8 +31,8 @@ struct mcp_cmd {
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/* 8 Bytes */
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struct mcp_cmd_response {
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u32 data;
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u32 result;
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__be32 data;
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__be32 result;
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};
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/*
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@ -73,10 +73,10 @@ union mcp_pso_or_cumlen {
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/* 16 Bytes */
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struct mcp_kreq_ether_send {
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u32 addr_high;
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u32 addr_low;
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u16 pseudo_hdr_offset;
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u16 length;
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__be32 addr_high;
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__be32 addr_low;
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__be16 pseudo_hdr_offset;
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__be16 length;
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u8 pad;
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||||
u8 rdma_count;
|
||||
u8 cksum_offset; /* where to start computing cksum */
|
||||
|
|
@ -85,8 +85,8 @@ struct mcp_kreq_ether_send {
|
|||
|
||||
/* 8 Bytes */
|
||||
struct mcp_kreq_ether_recv {
|
||||
u32 addr_high;
|
||||
u32 addr_low;
|
||||
__be32 addr_high;
|
||||
__be32 addr_low;
|
||||
};
|
||||
|
||||
/* Commands */
|
||||
|
|
@ -219,19 +219,19 @@ enum myri10ge_mcp_cmd_status {
|
|||
|
||||
struct mcp_irq_data {
|
||||
/* add new counters at the beginning */
|
||||
u32 future_use[5];
|
||||
u32 dropped_multicast_filtered;
|
||||
__be32 future_use[5];
|
||||
__be32 dropped_multicast_filtered;
|
||||
/* 40 Bytes */
|
||||
u32 send_done_count;
|
||||
__be32 send_done_count;
|
||||
|
||||
u32 link_up;
|
||||
u32 dropped_link_overflow;
|
||||
u32 dropped_link_error_or_filtered;
|
||||
u32 dropped_runt;
|
||||
u32 dropped_overrun;
|
||||
u32 dropped_no_small_buffer;
|
||||
u32 dropped_no_big_buffer;
|
||||
u32 rdma_tags_available;
|
||||
__be32 link_up;
|
||||
__be32 dropped_link_overflow;
|
||||
__be32 dropped_link_error_or_filtered;
|
||||
__be32 dropped_runt;
|
||||
__be32 dropped_overrun;
|
||||
__be32 dropped_no_small_buffer;
|
||||
__be32 dropped_no_big_buffer;
|
||||
__be32 rdma_tags_available;
|
||||
|
||||
u8 tx_stopped;
|
||||
u8 link_down;
|
||||
|
|
|
|||
|
|
@ -36,7 +36,7 @@
|
|||
struct mcp_gen_header {
|
||||
/* the first 4 fields are filled at compile time */
|
||||
unsigned header_length;
|
||||
unsigned mcp_type;
|
||||
__be32 mcp_type;
|
||||
char version[128];
|
||||
unsigned mcp_globals; /* pointer to mcp-type specific structure */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue