[PATCH] myri10ge annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
parent
bffa215495
commit
40f6cff5c4
@ -89,7 +89,7 @@ MODULE_LICENSE("Dual BSD/GPL");
|
||||
#define MYRI10GE_EEPROM_STRINGS_SIZE 256
|
||||
#define MYRI10GE_MAX_SEND_DESC_TSO ((65536 / 2048) * 2)
|
||||
|
||||
#define MYRI10GE_NO_CONFIRM_DATA 0xffffffff
|
||||
#define MYRI10GE_NO_CONFIRM_DATA htonl(0xffffffff)
|
||||
#define MYRI10GE_NO_RESPONSE_RESULT 0xffffffff
|
||||
|
||||
struct myri10ge_rx_buffer_state {
|
||||
@ -156,8 +156,8 @@ struct myri10ge_priv {
|
||||
int sram_size;
|
||||
unsigned long board_span;
|
||||
unsigned long iomem_base;
|
||||
u32 __iomem *irq_claim;
|
||||
u32 __iomem *irq_deassert;
|
||||
__be32 __iomem *irq_claim;
|
||||
__be32 __iomem *irq_deassert;
|
||||
char *mac_addr_string;
|
||||
struct mcp_cmd_response *cmd;
|
||||
dma_addr_t cmd_bus;
|
||||
@ -165,10 +165,10 @@ struct myri10ge_priv {
|
||||
dma_addr_t fw_stats_bus;
|
||||
struct pci_dev *pdev;
|
||||
int msi_enabled;
|
||||
unsigned int link_state;
|
||||
__be32 link_state;
|
||||
unsigned int rdma_tags_available;
|
||||
int intr_coal_delay;
|
||||
u32 __iomem *intr_coal_delay_ptr;
|
||||
__be32 __iomem *intr_coal_delay_ptr;
|
||||
int mtrr;
|
||||
int wake_queue;
|
||||
int stop_queue;
|
||||
@ -273,6 +273,11 @@ MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)");
|
||||
|
||||
#define myri10ge_pio_copy(to,from,size) __iowrite64_copy(to,from,size/8)
|
||||
|
||||
static inline void put_be32(__be32 val, __be32 __iomem *p)
|
||||
{
|
||||
__raw_writel((__force __u32)val, (__force void __iomem *)p);
|
||||
}
|
||||
|
||||
static int
|
||||
myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
|
||||
struct myri10ge_cmd *data, int atomic)
|
||||
@ -296,7 +301,7 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
|
||||
|
||||
buf->response_addr.low = htonl(dma_low);
|
||||
buf->response_addr.high = htonl(dma_high);
|
||||
response->result = MYRI10GE_NO_RESPONSE_RESULT;
|
||||
response->result = htonl(MYRI10GE_NO_RESPONSE_RESULT);
|
||||
mb();
|
||||
myri10ge_pio_copy(cmd_addr, buf, sizeof(*buf));
|
||||
|
||||
@ -311,14 +316,14 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
|
||||
* (1ms will be enough for those commands) */
|
||||
for (sleep_total = 0;
|
||||
sleep_total < 1000
|
||||
&& response->result == MYRI10GE_NO_RESPONSE_RESULT;
|
||||
&& response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
|
||||
sleep_total += 10)
|
||||
udelay(10);
|
||||
} else {
|
||||
/* use msleep for most command */
|
||||
for (sleep_total = 0;
|
||||
sleep_total < 15
|
||||
&& response->result == MYRI10GE_NO_RESPONSE_RESULT;
|
||||
&& response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
|
||||
sleep_total++)
|
||||
msleep(1);
|
||||
}
|
||||
@ -393,7 +398,7 @@ static int myri10ge_read_mac_addr(struct myri10ge_priv *mgp)
|
||||
static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
|
||||
{
|
||||
char __iomem *submit;
|
||||
u32 buf[16];
|
||||
__be32 buf[16];
|
||||
u32 dma_low, dma_high;
|
||||
int i;
|
||||
|
||||
@ -410,7 +415,7 @@ static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
|
||||
|
||||
buf[0] = htonl(dma_high); /* confirm addr MSW */
|
||||
buf[1] = htonl(dma_low); /* confirm addr LSW */
|
||||
buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */
|
||||
buf[2] = MYRI10GE_NO_CONFIRM_DATA; /* confirm data */
|
||||
buf[3] = htonl(dma_high); /* dummy addr MSW */
|
||||
buf[4] = htonl(dma_low); /* dummy addr LSW */
|
||||
buf[5] = htonl(enable); /* enable? */
|
||||
@ -479,7 +484,7 @@ static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size)
|
||||
}
|
||||
|
||||
/* check id */
|
||||
hdr_offset = ntohl(*(u32 *) (fw->data + MCP_HEADER_PTR_OFFSET));
|
||||
hdr_offset = ntohl(*(__be32 *) (fw->data + MCP_HEADER_PTR_OFFSET));
|
||||
if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > fw->size) {
|
||||
dev_err(dev, "Bad firmware file\n");
|
||||
status = -EINVAL;
|
||||
@ -550,7 +555,7 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
|
||||
static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
|
||||
{
|
||||
char __iomem *submit;
|
||||
u32 buf[16];
|
||||
__be32 buf[16];
|
||||
u32 dma_low, dma_high, size;
|
||||
int status, i;
|
||||
|
||||
@ -600,7 +605,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
|
||||
|
||||
buf[0] = htonl(dma_high); /* confirm addr MSW */
|
||||
buf[1] = htonl(dma_low); /* confirm addr LSW */
|
||||
buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */
|
||||
buf[2] = MYRI10GE_NO_CONFIRM_DATA; /* confirm data */
|
||||
|
||||
/* FIX: All newest firmware should un-protect the bottom of
|
||||
* the sram before handoff. However, the very first interfaces
|
||||
@ -705,21 +710,21 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
|
||||
|
||||
status |=
|
||||
myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
|
||||
mgp->irq_claim = (__iomem u32 *) (mgp->sram + cmd.data0);
|
||||
mgp->irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
|
||||
if (!mgp->msi_enabled) {
|
||||
status |= myri10ge_send_cmd
|
||||
(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET, &cmd, 0);
|
||||
mgp->irq_deassert = (__iomem u32 *) (mgp->sram + cmd.data0);
|
||||
mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
|
||||
|
||||
}
|
||||
status |= myri10ge_send_cmd
|
||||
(mgp, MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, &cmd, 0);
|
||||
mgp->intr_coal_delay_ptr = (__iomem u32 *) (mgp->sram + cmd.data0);
|
||||
mgp->intr_coal_delay_ptr = (__iomem __be32 *) (mgp->sram + cmd.data0);
|
||||
if (status != 0) {
|
||||
dev_err(&mgp->pdev->dev, "failed set interrupt parameters\n");
|
||||
return status;
|
||||
}
|
||||
__raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
|
||||
put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
|
||||
|
||||
/* Run a small DMA test.
|
||||
* The magic multipliers to the length tell the firmware
|
||||
@ -786,14 +791,14 @@ static inline void
|
||||
myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst,
|
||||
struct mcp_kreq_ether_recv *src)
|
||||
{
|
||||
u32 low;
|
||||
__be32 low;
|
||||
|
||||
low = src->addr_low;
|
||||
src->addr_low = DMA_32BIT_MASK;
|
||||
src->addr_low = htonl(DMA_32BIT_MASK);
|
||||
myri10ge_pio_copy(dst, src, 8 * sizeof(*src));
|
||||
mb();
|
||||
src->addr_low = low;
|
||||
__raw_writel(low, &dst->addr_low);
|
||||
put_be32(low, &dst->addr_low);
|
||||
mb();
|
||||
}
|
||||
|
||||
@ -939,11 +944,11 @@ myri10ge_getbuf(struct myri10ge_rx_buf *rx, struct myri10ge_priv *mgp,
|
||||
return retval;
|
||||
}
|
||||
|
||||
static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum)
|
||||
static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, __wsum hw_csum)
|
||||
{
|
||||
struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data);
|
||||
|
||||
if ((skb->protocol == ntohs(ETH_P_8021Q)) &&
|
||||
if ((skb->protocol == htons(ETH_P_8021Q)) &&
|
||||
(vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) ||
|
||||
vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) {
|
||||
skb->csum = hw_csum;
|
||||
@ -953,7 +958,7 @@ static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum)
|
||||
|
||||
static inline unsigned long
|
||||
myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
|
||||
int bytes, int len, int csum)
|
||||
int bytes, int len, __wsum csum)
|
||||
{
|
||||
dma_addr_t bus;
|
||||
struct sk_buff *skb;
|
||||
@ -986,12 +991,12 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
|
||||
|
||||
skb->protocol = eth_type_trans(skb, mgp->dev);
|
||||
if (mgp->csum_flag) {
|
||||
if ((skb->protocol == ntohs(ETH_P_IP)) ||
|
||||
(skb->protocol == ntohs(ETH_P_IPV6))) {
|
||||
skb->csum = ntohs((u16) csum);
|
||||
if ((skb->protocol == htons(ETH_P_IP)) ||
|
||||
(skb->protocol == htons(ETH_P_IPV6))) {
|
||||
skb->csum = csum;
|
||||
skb->ip_summed = CHECKSUM_COMPLETE;
|
||||
} else
|
||||
myri10ge_vlan_ip_csum(skb, ntohs((u16) csum));
|
||||
myri10ge_vlan_ip_csum(skb, csum);
|
||||
}
|
||||
|
||||
netif_receive_skb(skb);
|
||||
@ -1060,12 +1065,12 @@ static inline void myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int *limit)
|
||||
int idx = rx_done->idx;
|
||||
int cnt = rx_done->cnt;
|
||||
u16 length;
|
||||
u16 checksum;
|
||||
__wsum checksum;
|
||||
|
||||
while (rx_done->entry[idx].length != 0 && *limit != 0) {
|
||||
length = ntohs(rx_done->entry[idx].length);
|
||||
rx_done->entry[idx].length = 0;
|
||||
checksum = ntohs(rx_done->entry[idx].checksum);
|
||||
checksum = csum_unfold(rx_done->entry[idx].checksum);
|
||||
if (length <= mgp->small_bytes)
|
||||
rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small,
|
||||
mgp->small_bytes,
|
||||
@ -1142,7 +1147,7 @@ static int myri10ge_poll(struct net_device *netdev, int *budget)
|
||||
|
||||
if (rx_done->entry[rx_done->idx].length == 0 || !netif_running(netdev)) {
|
||||
netif_rx_complete(netdev);
|
||||
__raw_writel(htonl(3), mgp->irq_claim);
|
||||
put_be32(htonl(3), mgp->irq_claim);
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
@ -1166,7 +1171,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
|
||||
netif_rx_schedule(mgp->dev);
|
||||
|
||||
if (!mgp->msi_enabled) {
|
||||
__raw_writel(0, mgp->irq_deassert);
|
||||
put_be32(0, mgp->irq_deassert);
|
||||
if (!myri10ge_deassert_wait)
|
||||
stats->valid = 0;
|
||||
mb();
|
||||
@ -1195,7 +1200,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
|
||||
|
||||
myri10ge_check_statblock(mgp);
|
||||
|
||||
__raw_writel(htonl(3), mgp->irq_claim + 1);
|
||||
put_be32(htonl(3), mgp->irq_claim + 1);
|
||||
return (IRQ_HANDLED);
|
||||
}
|
||||
|
||||
@ -1233,7 +1238,7 @@ myri10ge_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal)
|
||||
struct myri10ge_priv *mgp = netdev_priv(netdev);
|
||||
|
||||
mgp->intr_coal_delay = coal->rx_coalesce_usecs;
|
||||
__raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
|
||||
put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1748,7 +1753,7 @@ static int myri10ge_open(struct net_device *dev)
|
||||
goto abort_with_rings;
|
||||
}
|
||||
|
||||
mgp->link_state = -1;
|
||||
mgp->link_state = htonl(~0U);
|
||||
mgp->rdma_tags_available = 15;
|
||||
|
||||
netif_poll_enable(mgp->dev); /* must happen prior to any irq */
|
||||
@ -1876,7 +1881,7 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src,
|
||||
|
||||
/* re-write the last 32-bits with the valid flags */
|
||||
src->flags = last_flags;
|
||||
__raw_writel(*((u32 *) src + 3), (u32 __iomem *) dst + 3);
|
||||
put_be32(*((__be32 *) src + 3), (__be32 __iomem *) dst + 3);
|
||||
tx->req += cnt;
|
||||
mb();
|
||||
}
|
||||
@ -1919,7 +1924,8 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
struct myri10ge_tx_buf *tx = &mgp->tx;
|
||||
struct skb_frag_struct *frag;
|
||||
dma_addr_t bus;
|
||||
u32 low, high_swapped;
|
||||
u32 low;
|
||||
__be32 high_swapped;
|
||||
unsigned int len;
|
||||
int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
|
||||
u16 pseudo_hdr_offset, cksum_offset;
|
||||
@ -1964,7 +1970,6 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
cksum_offset = 0;
|
||||
pseudo_hdr_offset = 0;
|
||||
} else {
|
||||
pseudo_hdr_offset = htons(pseudo_hdr_offset);
|
||||
odd_flag = MXGEFW_FLAGS_ALIGN_ODD;
|
||||
flags |= MXGEFW_FLAGS_CKSUM;
|
||||
}
|
||||
@ -1986,7 +1991,7 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
/* for TSO, pseudo_hdr_offset holds mss.
|
||||
* The firmware figures out where to put
|
||||
* the checksum by parsing the header. */
|
||||
pseudo_hdr_offset = htons(mss);
|
||||
pseudo_hdr_offset = mss;
|
||||
} else
|
||||
#endif /*NETIF_F_TSO */
|
||||
/* Mark small packets, and pad out tiny packets */
|
||||
@ -2086,7 +2091,7 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
#endif /* NETIF_F_TSO */
|
||||
req->addr_high = high_swapped;
|
||||
req->addr_low = htonl(low);
|
||||
req->pseudo_hdr_offset = pseudo_hdr_offset;
|
||||
req->pseudo_hdr_offset = htons(pseudo_hdr_offset);
|
||||
req->pad = 0; /* complete solid 16-byte block; does this matter? */
|
||||
req->rdma_count = 1;
|
||||
req->length = htons(seglen);
|
||||
@ -2199,6 +2204,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
|
||||
struct myri10ge_cmd cmd;
|
||||
struct myri10ge_priv *mgp;
|
||||
struct dev_mc_list *mc_list;
|
||||
__be32 data[2] = {0, 0};
|
||||
int err;
|
||||
|
||||
mgp = netdev_priv(dev);
|
||||
@ -2237,10 +2243,9 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
|
||||
|
||||
/* Walk the multicast list, and add each address */
|
||||
for (mc_list = dev->mc_list; mc_list != NULL; mc_list = mc_list->next) {
|
||||
memcpy(&cmd.data0, &mc_list->dmi_addr, 4);
|
||||
memcpy(&cmd.data1, ((char *)&mc_list->dmi_addr) + 4, 2);
|
||||
cmd.data0 = htonl(cmd.data0);
|
||||
cmd.data1 = htonl(cmd.data1);
|
||||
memcpy(data, &mc_list->dmi_addr, 6);
|
||||
cmd.data0 = ntohl(data[0]);
|
||||
cmd.data1 = ntohl(data[1]);
|
||||
err = myri10ge_send_cmd(mgp, MXGEFW_JOIN_MULTICAST_GROUP,
|
||||
&cmd, 1);
|
||||
|
||||
|
||||
@ -6,23 +6,23 @@
|
||||
|
||||
/* 8 Bytes */
|
||||
struct mcp_dma_addr {
|
||||
u32 high;
|
||||
u32 low;
|
||||
__be32 high;
|
||||
__be32 low;
|
||||
};
|
||||
|
||||
/* 4 Bytes */
|
||||
struct mcp_slot {
|
||||
u16 checksum;
|
||||
u16 length;
|
||||
__sum16 checksum;
|
||||
__be16 length;
|
||||
};
|
||||
|
||||
/* 64 Bytes */
|
||||
struct mcp_cmd {
|
||||
u32 cmd;
|
||||
u32 data0; /* will be low portion if data > 32 bits */
|
||||
__be32 cmd;
|
||||
__be32 data0; /* will be low portion if data > 32 bits */
|
||||
/* 8 */
|
||||
u32 data1; /* will be high portion if data > 32 bits */
|
||||
u32 data2; /* currently unused.. */
|
||||
__be32 data1; /* will be high portion if data > 32 bits */
|
||||
__be32 data2; /* currently unused.. */
|
||||
/* 16 */
|
||||
struct mcp_dma_addr response_addr;
|
||||
/* 24 */
|
||||
@ -31,8 +31,8 @@ struct mcp_cmd {
|
||||
|
||||
/* 8 Bytes */
|
||||
struct mcp_cmd_response {
|
||||
u32 data;
|
||||
u32 result;
|
||||
__be32 data;
|
||||
__be32 result;
|
||||
};
|
||||
|
||||
/*
|
||||
@ -73,10 +73,10 @@ union mcp_pso_or_cumlen {
|
||||
|
||||
/* 16 Bytes */
|
||||
struct mcp_kreq_ether_send {
|
||||
u32 addr_high;
|
||||
u32 addr_low;
|
||||
u16 pseudo_hdr_offset;
|
||||
u16 length;
|
||||
__be32 addr_high;
|
||||
__be32 addr_low;
|
||||
__be16 pseudo_hdr_offset;
|
||||
__be16 length;
|
||||
u8 pad;
|
||||
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 New Issue
Block a user