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Commit b53bef84 authored by Brice Goglin's avatar Brice Goglin Committed by Jeff Garzik
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myri10ge: move data structures into a single slice 

To prepare and simplify multislice rx support, add a single slice
structure and move some fields in there.
No functional change yet.
Signed-off-by: default avatarBrice Goglin <brice@myri.com>
Signed-off-by: default avatarAndrew Gallatin <gallatin@myri.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent eca3fd83
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Showing with 316 additions and 278 deletions
drivers/net/myri10ge/myri10ge.c
View file @ b53bef84
......@@ -144,11 +144,13 @@ struct myri10ge_tx_buf {
char *req_bytes;
struct myri10ge_tx_buffer_state *info;
int mask; /* number of transmit slots -1 */
int boundary; /* boundary transmits cannot cross */
int req ____cacheline_aligned; /* transmit slots submitted */
int pkt_start; /* packets started */
int stop_queue;
int linearized;
int done ____cacheline_aligned; /* transmit slots completed */
int pkt_done; /* packets completed */
int wake_queue;
};
struct myri10ge_rx_done {
......@@ -160,29 +162,49 @@ struct myri10ge_rx_done {
struct net_lro_desc lro_desc[MYRI10GE_MAX_LRO_DESCRIPTORS];
};
struct myri10ge_priv {
int running; /* running? */
int csum_flag; /* rx_csums? */
struct myri10ge_slice_netstats {
unsigned long rx_packets;
unsigned long tx_packets;
unsigned long rx_bytes;
unsigned long tx_bytes;
unsigned long rx_dropped;
unsigned long tx_dropped;
};
struct myri10ge_slice_state {
struct myri10ge_tx_buf tx; /* transmit ring */
struct myri10ge_rx_buf rx_small;
struct myri10ge_rx_buf rx_big;
struct myri10ge_rx_done rx_done;
struct net_device *dev;
struct napi_struct napi;
struct myri10ge_priv *mgp;
struct myri10ge_slice_netstats stats;
__be32 __iomem *irq_claim;
struct mcp_irq_data *fw_stats;
dma_addr_t fw_stats_bus;
int watchdog_tx_done;
int watchdog_tx_req;
};
struct myri10ge_priv {
struct myri10ge_slice_state ss;
int tx_boundary; /* boundary transmits cannot cross */
int running; /* running? */
int csum_flag; /* rx_csums? */
int small_bytes;
int big_bytes;
struct net_device *dev;
struct napi_struct napi;
struct net_device_stats stats;
spinlock_t stats_lock;
u8 __iomem *sram;
int sram_size;
unsigned long board_span;
unsigned long iomem_base;
__be32 __iomem *irq_claim;
__be32 __iomem *irq_deassert;
char *mac_addr_string;
struct mcp_cmd_response *cmd;
dma_addr_t cmd_bus;
struct mcp_irq_data *fw_stats;
dma_addr_t fw_stats_bus;
struct pci_dev *pdev;
int msi_enabled;
u32 link_state;
......@@ -191,17 +213,12 @@ struct myri10ge_priv {
__be32 __iomem *intr_coal_delay_ptr;
int mtrr;
int wc_enabled;
int wake_queue;
int stop_queue;
int down_cnt;
wait_queue_head_t down_wq;
struct work_struct watchdog_work;
struct timer_list watchdog_timer;
int watchdog_tx_done;
int watchdog_tx_req;
int watchdog_pause;
int watchdog_resets;
int tx_linearized;
int watchdog_pause;
int pause;
char *fw_name;
char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
......@@ -643,7 +660,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
}
dev_info(&mgp->pdev->dev,
"Successfully adopted running firmware\n");
if (mgp->tx.boundary == 4096) {
if (mgp->tx_boundary == 4096) {
dev_warn(&mgp->pdev->dev,
"Using firmware currently running on NIC"
". For optimal\n");
......@@ -654,7 +671,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
}
mgp->fw_name = "adopted";
mgp->tx.boundary = 2048;
mgp->tx_boundary = 2048;
return status;
}
......@@ -780,7 +797,7 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
* transfers took to complete.
*/
len = mgp->tx.boundary;
len = mgp->tx_boundary;
cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
......@@ -842,17 +859,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
/* Now exchange information about interrupts */
bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
memset(mgp->rx_done.entry, 0, bytes);
bytes = myri10ge_max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
memset(mgp->ss.rx_done.entry, 0, bytes);
cmd.data0 = (u32) bytes;
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0);
cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus);
cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.rx_done.bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.rx_done.bus);
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA, &cmd, 0);
status |=
myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
mgp->irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
mgp->ss.irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
&cmd, 0);
mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
......@@ -866,17 +883,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
}
put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
memset(mgp->rx_done.entry, 0, bytes);
memset(mgp->ss.rx_done.entry, 0, bytes);
/* reset mcp/driver shared state back to 0 */
mgp->tx.req = 0;
mgp->tx.done = 0;
mgp->tx.pkt_start = 0;
mgp->tx.pkt_done = 0;
mgp->rx_big.cnt = 0;
mgp->rx_small.cnt = 0;
mgp->rx_done.idx = 0;
mgp->rx_done.cnt = 0;
mgp->ss.tx.req = 0;
mgp->ss.tx.done = 0;
mgp->ss.tx.pkt_start = 0;
mgp->ss.tx.pkt_done = 0;
mgp->ss.rx_big.cnt = 0;
mgp->ss.rx_small.cnt = 0;
mgp->ss.rx_done.idx = 0;
mgp->ss.rx_done.cnt = 0;
mgp->link_changes = 0;
status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
myri10ge_change_pause(mgp, mgp->pause);
......@@ -1028,9 +1045,10 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
* page into an skb */
static inline int
myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
int bytes, int len, __wsum csum)
{
struct myri10ge_priv *mgp = ss->mgp;
struct sk_buff *skb;
struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME];
int i, idx, hlen, remainder;
......@@ -1060,11 +1078,10 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
rx_frags[0].page_offset += MXGEFW_PAD;
rx_frags[0].size -= MXGEFW_PAD;
len -= MXGEFW_PAD;
lro_receive_frags(&mgp->rx_done.lro_mgr, rx_frags,
lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
len, len,
/* opaque, will come back in get_frag_header */
(void *)(__force unsigned long)csum,
csum);
/* opaque, will come back in get_frag_header */
(void *)(__force unsigned long)csum, csum);
return 1;
}
......@@ -1104,10 +1121,11 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
return 1;
}
static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
static inline void
myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
{
struct pci_dev *pdev = mgp->pdev;
struct myri10ge_tx_buf *tx = &mgp->tx;
struct pci_dev *pdev = ss->mgp->pdev;
struct myri10ge_tx_buf *tx = &ss->tx;
struct sk_buff *skb;
int idx, len;
......@@ -1125,8 +1143,8 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
len = pci_unmap_len(&tx->info[idx], len);
pci_unmap_len_set(&tx->info[idx], len, 0);
if (skb) {
mgp->stats.tx_bytes += skb->len;
mgp->stats.tx_packets++;
ss->stats.tx_bytes += skb->len;
ss->stats.tx_packets++;
dev_kfree_skb_irq(skb);
if (len)
pci_unmap_single(pdev,
......@@ -1142,16 +1160,18 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
}
}
/* start the queue if we've stopped it */
if (netif_queue_stopped(mgp->dev)
if (netif_queue_stopped(ss->dev)
&& tx->req - tx->done < (tx->mask >> 1)) {
mgp->wake_queue++;
netif_wake_queue(mgp->dev);
tx->wake_queue++;
netif_wake_queue(ss->dev);
}
}
static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
static inline int
myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
{
struct myri10ge_rx_done *rx_done = &mgp->rx_done;
struct myri10ge_rx_done *rx_done = &ss->rx_done;
struct myri10ge_priv *mgp = ss->mgp;
unsigned long rx_bytes = 0;
unsigned long rx_packets = 0;
unsigned long rx_ok;
......@@ -1167,11 +1187,11 @@ static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
rx_done->entry[idx].length = 0;
checksum = csum_unfold(rx_done->entry[idx].checksum);
if (length <= mgp->small_bytes)
rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small,
rx_ok = myri10ge_rx_done(ss, &ss->rx_small,
mgp->small_bytes,
length, checksum);
else
rx_ok = myri10ge_rx_done(mgp, &mgp->rx_big,
rx_ok = myri10ge_rx_done(ss, &ss->rx_big,
mgp->big_bytes,
length, checksum);
rx_packets += rx_ok;
......@@ -1182,25 +1202,25 @@ static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
}
rx_done->idx = idx;
rx_done->cnt = cnt;
mgp->stats.rx_packets += rx_packets;
mgp->stats.rx_bytes += rx_bytes;
ss->stats.rx_packets += rx_packets;
ss->stats.rx_bytes += rx_bytes;
if (myri10ge_lro)
lro_flush_all(&rx_done->lro_mgr);
/* restock receive rings if needed */
if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt < myri10ge_fill_thresh)
myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
if (ss->rx_small.fill_cnt - ss->rx_small.cnt < myri10ge_fill_thresh)
myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
mgp->small_bytes + MXGEFW_PAD, 0);
if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt < myri10ge_fill_thresh)
myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0);
if (ss->rx_big.fill_cnt - ss->rx_big.cnt < myri10ge_fill_thresh)
myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
return work_done;
}
static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
{
struct mcp_irq_data *stats = mgp->fw_stats;
struct mcp_irq_data *stats = mgp->ss.fw_stats;
if (unlikely(stats->stats_updated)) {
unsigned link_up = ntohl(stats->link_up);
......@@ -1227,9 +1247,9 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
}
}
if (mgp->rdma_tags_available !=
ntohl(mgp->fw_stats->rdma_tags_available)) {
ntohl(stats->rdma_tags_available)) {
mgp->rdma_tags_available =
ntohl(mgp->fw_stats->rdma_tags_available);
ntohl(stats->rdma_tags_available);
printk(KERN_WARNING "myri10ge: %s: RDMA timed out! "
"%d tags left\n", mgp->dev->name,
mgp->rdma_tags_available);
......@@ -1242,26 +1262,27 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
static int myri10ge_poll(struct napi_struct *napi, int budget)
{
struct myri10ge_priv *mgp =
container_of(napi, struct myri10ge_priv, napi);
struct net_device *netdev = mgp->dev;
struct myri10ge_slice_state *ss =
container_of(napi, struct myri10ge_slice_state, napi);
struct net_device *netdev = ss->mgp->dev;
int work_done;
/* process as many rx events as NAPI will allow */
work_done = myri10ge_clean_rx_done(mgp, budget);
work_done = myri10ge_clean_rx_done(ss, budget);
if (work_done < budget) {
netif_rx_complete(netdev, napi);
put_be32(htonl(3), mgp->irq_claim);
put_be32(htonl(3), ss->irq_claim);
}
return work_done;
}
static irqreturn_t myri10ge_intr(int irq, void *arg)
{
struct myri10ge_priv *mgp = arg;
struct mcp_irq_data *stats = mgp->fw_stats;
struct myri10ge_tx_buf *tx = &mgp->tx;
struct myri10ge_slice_state *ss = arg;
struct myri10ge_priv *mgp = ss->mgp;
struct mcp_irq_data *stats = ss->fw_stats;
struct myri10ge_tx_buf *tx = &ss->tx;
u32 send_done_count;
int i;
......@@ -1272,7 +1293,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
/* low bit indicates receives are present, so schedule
* napi poll handler */
if (stats->valid & 1)
netif_rx_schedule(mgp->dev, &mgp->napi);
netif_rx_schedule(ss->dev, &ss->napi);
if (!mgp->msi_enabled) {
put_be32(0, mgp->irq_deassert);
......@@ -1289,7 +1310,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
/* check for transmit completes and receives */
send_done_count = ntohl(stats->send_done_count);
if (send_done_count != tx->pkt_done)
myri10ge_tx_done(mgp, (int)send_done_count);
myri10ge_tx_done(ss, (int)send_done_count);
if (unlikely(i > myri10ge_max_irq_loops)) {
printk(KERN_WARNING "myri10ge: %s: irq stuck?\n",
mgp->dev->name);
......@@ -1304,7 +1325,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
myri10ge_check_statblock(mgp);
put_be32(htonl(3), mgp->irq_claim + 1);
put_be32(htonl(3), ss->irq_claim + 1);
return (IRQ_HANDLED);
}
......@@ -1409,10 +1430,10 @@ myri10ge_get_ringparam(struct net_device *netdev,
{
struct myri10ge_priv *mgp = netdev_priv(netdev);
ring->rx_mini_max_pending = mgp->rx_small.mask + 1;
ring->rx_max_pending = mgp->rx_big.mask + 1;
ring->rx_mini_max_pending = mgp->ss.rx_small.mask + 1;
ring->rx_max_pending = mgp->ss.rx_big.mask + 1;
ring->rx_jumbo_max_pending = 0;
ring->tx_max_pending = mgp->rx_small.mask + 1;
ring->tx_max_pending = mgp->ss.rx_small.mask + 1;
ring->rx_mini_pending = ring->rx_mini_max_pending;
ring->rx_pending = ring->rx_max_pending;
ring->rx_jumbo_pending = ring->rx_jumbo_max_pending;
......@@ -1452,7 +1473,7 @@ static int myri10ge_set_tso(struct net_device *netdev, u32 tso_enabled)
return 0;
}
static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
"rx_length_errors", "rx_over_errors", "rx_crc_errors",
......@@ -1462,28 +1483,39 @@ static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
/* device-specific stats */
"tx_boundary", "WC", "irq", "MSI",
"read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
"serial_number", "tx_pkt_start", "tx_pkt_done",
"tx_req", "tx_done", "rx_small_cnt", "rx_big_cnt",
"wake_queue", "stop_queue", "watchdog_resets", "tx_linearized",
"serial_number", "watchdog_resets",
"link_changes", "link_up", "dropped_link_overflow",
"dropped_link_error_or_filtered",
"dropped_pause", "dropped_bad_phy", "dropped_bad_crc32",
"dropped_unicast_filtered", "dropped_multicast_filtered",
"dropped_runt", "dropped_overrun", "dropped_no_small_buffer",
"dropped_no_big_buffer", "LRO aggregated", "LRO flushed",
"dropped_no_big_buffer"
};
static const char myri10ge_gstrings_slice_stats[][ETH_GSTRING_LEN] = {
"----------- slice ---------",
"tx_pkt_start", "tx_pkt_done", "tx_req", "tx_done",
"rx_small_cnt", "rx_big_cnt",
"wake_queue", "stop_queue", "tx_linearized", "LRO aggregated",
"LRO flushed",
"LRO avg aggr", "LRO no_desc"
};
#define MYRI10GE_NET_STATS_LEN 21
#define MYRI10GE_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_stats)
#define MYRI10GE_MAIN_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_main_stats)
#define MYRI10GE_SLICE_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_slice_stats)
static void
myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
{
switch (stringset) {
case ETH_SS_STATS:
memcpy(data, *myri10ge_gstrings_stats,
sizeof(myri10ge_gstrings_stats));
memcpy(data, *myri10ge_gstrings_main_stats,
sizeof(myri10ge_gstrings_main_stats));
data += sizeof(myri10ge_gstrings_main_stats);
memcpy(data, *myri10ge_gstrings_slice_stats,
sizeof(myri10ge_gstrings_slice_stats));
data += sizeof(myri10ge_gstrings_slice_stats);
break;
}
}
......@@ -1492,7 +1524,7 @@ static int myri10ge_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return MYRI10GE_STATS_LEN;
return MYRI10GE_MAIN_STATS_LEN + MYRI10GE_SLICE_STATS_LEN;
default:
return -EOPNOTSUPP;
}
......@@ -1503,12 +1535,13 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 * data)
{
struct myri10ge_priv *mgp = netdev_priv(netdev);
struct myri10ge_slice_state *ss;
int i;
for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
data[i] = ((unsigned long *)&mgp->stats)[i];
data[i++] = (unsigned int)mgp->tx.boundary;
data[i++] = (unsigned int)mgp->tx_boundary;
data[i++] = (unsigned int)mgp->wc_enabled;
data[i++] = (unsigned int)mgp->pdev->irq;
data[i++] = (unsigned int)mgp->msi_enabled;
......@@ -1516,40 +1549,44 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
data[i++] = (unsigned int)mgp->write_dma;
data[i++] = (unsigned int)mgp->read_write_dma;
data[i++] = (unsigned int)mgp->serial_number;
data[i++] = (unsigned int)mgp->tx.pkt_start;
data[i++] = (unsigned int)mgp->tx.pkt_done;
data[i++] = (unsigned int)mgp->tx.req;
data[i++] = (unsigned int)mgp->tx.done;
data[i++] = (unsigned int)mgp->rx_small.cnt;
data[i++] = (unsigned int)mgp->rx_big.cnt;
data[i++] = (unsigned int)mgp->wake_queue;
data[i++] = (unsigned int)mgp->stop_queue;
data[i++] = (unsigned int)mgp->watchdog_resets;
data[i++] = (unsigned int)mgp->tx_linearized;
data[i++] = (unsigned int)mgp->link_changes;
data[i++] = (unsigned int)ntohl(mgp->fw_stats->link_up);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_link_overflow);
data[i++] =
(unsigned int)ntohl(mgp->fw_stats->dropped_link_error_or_filtered);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_pause);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_phy);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_crc32);
/* firmware stats are useful only in the first slice */
ss = &mgp->ss;
data[i++] = (unsigned int)ntohl(ss->fw_stats->link_up);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_link_overflow);
data[i++] =
(unsigned int)ntohl(mgp->fw_stats->dropped_unicast_filtered);
(unsigned int)ntohl(ss->fw_stats->dropped_link_error_or_filtered);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_pause);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_phy);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_crc32);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_unicast_filtered);
data[i++] =
(unsigned int)ntohl(mgp->fw_stats->dropped_multicast_filtered);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_runt);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_overrun);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_small_buffer);
data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_big_buffer);
data[i++] = mgp->rx_done.lro_mgr.stats.aggregated;
data[i++] = mgp->rx_done.lro_mgr.stats.flushed;
if (mgp->rx_done.lro_mgr.stats.flushed)
data[i++] = mgp->rx_done.lro_mgr.stats.aggregated /
mgp->rx_done.lro_mgr.stats.flushed;
(unsigned int)ntohl(ss->fw_stats->dropped_multicast_filtered);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_runt);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_overrun);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_small_buffer);
data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_big_buffer);
data[i++] = 0;
data[i++] = (unsigned int)ss->tx.pkt_start;
data[i++] = (unsigned int)ss->tx.pkt_done;
data[i++] = (unsigned int)ss->tx.req;
data[i++] = (unsigned int)ss->tx.done;
data[i++] = (unsigned int)ss->rx_small.cnt;
data[i++] = (unsigned int)ss->rx_big.cnt;
data[i++] = (unsigned int)ss->tx.wake_queue;
data[i++] = (unsigned int)ss->tx.stop_queue;
data[i++] = (unsigned int)ss->tx.linearized;
data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
data[i++] = ss->rx_done.lro_mgr.stats.flushed;
if (ss->rx_done.lro_mgr.stats.flushed)
data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
ss->rx_done.lro_mgr.stats.flushed;
else
data[i++] = 0;
data[i++] = mgp->rx_done.lro_mgr.stats.no_desc;
data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
}
static void myri10ge_set_msglevel(struct net_device *netdev, u32 value)
......@@ -1585,19 +1622,17 @@ static const struct ethtool_ops myri10ge_ethtool_ops = {
.get_msglevel = myri10ge_get_msglevel
};
static int myri10ge_allocate_rings(struct net_device *dev)
static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
{
struct myri10ge_priv *mgp;
struct myri10ge_priv *mgp = ss->mgp;
struct myri10ge_cmd cmd;
struct net_device *dev = mgp->dev;
int tx_ring_size, rx_ring_size;
int tx_ring_entries, rx_ring_entries;
int i, status;
size_t bytes;
mgp = netdev_priv(dev);
/* get ring sizes */
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
tx_ring_size = cmd.data0;
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
......@@ -1607,144 +1642,142 @@ static int myri10ge_allocate_rings(struct net_device *dev)
tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send);
rx_ring_entries = rx_ring_size / sizeof(struct mcp_dma_addr);
mgp->tx.mask = tx_ring_entries - 1;
mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1;
ss->tx.mask = tx_ring_entries - 1;
ss->rx_small.mask = ss->rx_big.mask = rx_ring_entries - 1;
status = -ENOMEM;
/* allocate the host shadow rings */
bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4)
* sizeof(*mgp->tx.req_list);
mgp->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
if (mgp->tx.req_bytes == NULL)
* sizeof(*ss->tx.req_list);
ss->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
if (ss->tx.req_bytes == NULL)
goto abort_with_nothing;
/* ensure req_list entries are aligned to 8 bytes */
mgp->tx.req_list = (struct mcp_kreq_ether_send *)
ALIGN((unsigned long)mgp->tx.req_bytes, 8);
ss->tx.req_list = (struct mcp_kreq_ether_send *)
ALIGN((unsigned long)ss->tx.req_bytes, 8);
bytes = rx_ring_entries * sizeof(*mgp->rx_small.shadow);
mgp->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
if (mgp->rx_small.shadow == NULL)
bytes = rx_ring_entries * sizeof(*ss->rx_small.shadow);
ss->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
if (ss->rx_small.shadow == NULL)
goto abort_with_tx_req_bytes;
bytes = rx_ring_entries * sizeof(*mgp->rx_big.shadow);
mgp->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
if (mgp->rx_big.shadow == NULL)
bytes = rx_ring_entries * sizeof(*ss->rx_big.shadow);
ss->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
if (ss->rx_big.shadow == NULL)
goto abort_with_rx_small_shadow;
/* allocate the host info rings */
bytes = tx_ring_entries * sizeof(*mgp->tx.info);
mgp->tx.info = kzalloc(bytes, GFP_KERNEL);
if (mgp->tx.info == NULL)
bytes = tx_ring_entries * sizeof(*ss->tx.info);
ss->tx.info = kzalloc(bytes, GFP_KERNEL);
if (ss->tx.info == NULL)
goto abort_with_rx_big_shadow;
bytes = rx_ring_entries * sizeof(*mgp->rx_small.info);
mgp->rx_small.info = kzalloc(bytes, GFP_KERNEL);
if (mgp->rx_small.info == NULL)
bytes = rx_ring_entries * sizeof(*ss->rx_small.info);
ss->rx_small.info = kzalloc(bytes, GFP_KERNEL);
if (ss->rx_small.info == NULL)
goto abort_with_tx_info;
bytes = rx_ring_entries * sizeof(*mgp->rx_big.info);
mgp->rx_big.info = kzalloc(bytes, GFP_KERNEL);
if (mgp->rx_big.info == NULL)
bytes = rx_ring_entries * sizeof(*ss->rx_big.info);
ss->rx_big.info = kzalloc(bytes, GFP_KERNEL);
if (ss->rx_big.info == NULL)
goto abort_with_rx_small_info;
/* Fill the receive rings */
mgp->rx_big.cnt = 0;
mgp->rx_small.cnt = 0;
mgp->rx_big.fill_cnt = 0;
mgp->rx_small.fill_cnt = 0;
mgp->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
mgp->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
mgp->rx_small.watchdog_needed = 0;
mgp->rx_big.watchdog_needed = 0;
myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
ss->rx_big.cnt = 0;
ss->rx_small.cnt = 0;
ss->rx_big.fill_cnt = 0;
ss->rx_small.fill_cnt = 0;
ss->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
ss->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
ss->rx_small.watchdog_needed = 0;
ss->rx_big.watchdog_needed = 0;
myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
mgp->small_bytes + MXGEFW_PAD, 0);
if (mgp->rx_small.fill_cnt < mgp->rx_small.mask + 1) {
if (ss->rx_small.fill_cnt < ss->rx_small.mask + 1) {
printk(KERN_ERR "myri10ge: %s: alloced only %d small bufs\n",
dev->name, mgp->rx_small.fill_cnt);
dev->name, ss->rx_small.fill_cnt);
goto abort_with_rx_small_ring;
}
myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0);
if (mgp->rx_big.fill_cnt < mgp->rx_big.mask + 1) {
myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
if (ss->rx_big.fill_cnt < ss->rx_big.mask + 1) {
printk(KERN_ERR "myri10ge: %s: alloced only %d big bufs\n",
dev->name, mgp->rx_big.fill_cnt);
dev->name, ss->rx_big.fill_cnt);
goto abort_with_rx_big_ring;
}
return 0;
abort_with_rx_big_ring:
for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) {
int idx = i & mgp->rx_big.mask;
myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
int idx = i & ss->rx_big.mask;
myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
mgp->big_bytes);
put_page(mgp->rx_big.info[idx].page);
put_page(ss->rx_big.info[idx].page);
}
abort_with_rx_small_ring:
for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) {
int idx = i & mgp->rx_small.mask;
myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx],
for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
int idx = i & ss->rx_small.mask;
myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
mgp->small_bytes + MXGEFW_PAD);
put_page(mgp->rx_small.info[idx].page);
put_page(ss->rx_small.info[idx].page);
}
kfree(mgp->rx_big.info);
kfree(ss->rx_big.info);
abort_with_rx_small_info:
kfree(mgp->rx_small.info);
kfree(ss->rx_small.info);
abort_with_tx_info:
kfree(mgp->tx.info);
kfree(ss->tx.info);
abort_with_rx_big_shadow:
kfree(mgp->rx_big.shadow);
kfree(ss->rx_big.shadow);
abort_with_rx_small_shadow:
kfree(mgp->rx_small.shadow);
kfree(ss->rx_small.shadow);
abort_with_tx_req_bytes:
kfree(mgp->tx.req_bytes);
mgp->tx.req_bytes = NULL;
mgp->tx.req_list = NULL;
kfree(ss->tx.req_bytes);
ss->tx.req_bytes = NULL;
ss->tx.req_list = NULL;
abort_with_nothing:
return status;
}
static void myri10ge_free_rings(struct net_device *dev)
static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
{
struct myri10ge_priv *mgp;
struct myri10ge_priv *mgp = ss->mgp;
struct sk_buff *skb;
struct myri10ge_tx_buf *tx;
int i, len, idx;
mgp = netdev_priv(dev);
for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) {
idx = i & mgp->rx_big.mask;
if (i == mgp->rx_big.fill_cnt - 1)
mgp->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
idx = i & ss->rx_big.mask;
if (i == ss->rx_big.fill_cnt - 1)
ss->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
mgp->big_bytes);
put_page(mgp->rx_big.info[idx].page);
put_page(ss->rx_big.info[idx].page);
}
for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) {
idx = i & mgp->rx_small.mask;
if (i == mgp->rx_small.fill_cnt - 1)
mgp->rx_small.info[idx].page_offset =
for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
idx = i & ss->rx_small.mask;
if (i == ss->rx_small.fill_cnt - 1)
ss->rx_small.info[idx].page_offset =
MYRI10GE_ALLOC_SIZE;
myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx],
myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
mgp->small_bytes + MXGEFW_PAD);
put_page(mgp->rx_small.info[idx].page);
put_page(ss->rx_small.info[idx].page);
}
tx = &mgp->tx;
tx = &ss->tx;
while (tx->done != tx->req) {
idx = tx->done & tx->mask;
skb = tx->info[idx].skb;
......@@ -1755,7 +1788,7 @@ static void myri10ge_free_rings(struct net_device *dev)
len = pci_unmap_len(&tx->info[idx], len);
pci_unmap_len_set(&tx->info[idx], len, 0);
if (skb) {
mgp->stats.tx_dropped++;
ss->stats.tx_dropped++;
dev_kfree_skb_any(skb);
if (len)
pci_unmap_single(mgp->pdev,
......@@ -1770,19 +1803,19 @@ static void myri10ge_free_rings(struct net_device *dev)
PCI_DMA_TODEVICE);
}
}
kfree(mgp->rx_big.info);
kfree(ss->rx_big.info);
kfree(mgp->rx_small.info);
kfree(ss->rx_small.info);
kfree(mgp->tx.info);
kfree(ss->tx.info);
kfree(mgp->rx_big.shadow);
kfree(ss->rx_big.shadow);
kfree(mgp->rx_small.shadow);
kfree(ss->rx_small.shadow);
kfree(mgp->tx.req_bytes);
mgp->tx.req_bytes = NULL;
mgp->tx.req_list = NULL;
kfree(ss->tx.req_bytes);
ss->tx.req_bytes = NULL;
ss->tx.req_list = NULL;
}
static int myri10ge_request_irq(struct myri10ge_priv *mgp)
......@@ -1881,13 +1914,11 @@ myri10ge_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
static int myri10ge_open(struct net_device *dev)
{
struct myri10ge_priv *mgp;
struct myri10ge_priv *mgp = netdev_priv(dev);
struct myri10ge_cmd cmd;
struct net_lro_mgr *lro_mgr;
int status, big_pow2;
mgp = netdev_priv(dev);
if (mgp->running != MYRI10GE_ETH_STOPPED)
return -EBUSY;
......@@ -1924,16 +1955,16 @@ static int myri10ge_open(struct net_device *dev)
/* get the lanai pointers to the send and receive rings */
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET, &cmd, 0);
mgp->tx.lanai =
mgp->ss.tx.lanai =
(struct mcp_kreq_ether_send __iomem *)(mgp->sram + cmd.data0);
status |=
myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET, &cmd, 0);
mgp->rx_small.lanai =
mgp->ss.rx_small.lanai =
(struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0);
mgp->rx_big.lanai =
mgp->ss.rx_big.lanai =
(struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
if (status != 0) {
......@@ -1945,15 +1976,15 @@ static int myri10ge_open(struct net_device *dev)
}
if (myri10ge_wcfifo && mgp->wc_enabled) {
mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
mgp->rx_small.wc_fifo =
mgp->ss.tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
mgp->ss.rx_small.wc_fifo =
(u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
mgp->rx_big.wc_fifo =
mgp->ss.rx_big.wc_fifo =
(u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_BIG;
} else {
mgp->tx.wc_fifo = NULL;
mgp->rx_small.wc_fifo = NULL;
mgp->rx_big.wc_fifo = NULL;
mgp->ss.tx.wc_fifo = NULL;
mgp->ss.rx_small.wc_fifo = NULL;
mgp->ss.rx_big.wc_fifo = NULL;
}
/* Firmware needs the big buff size as a power of 2. Lie and
......@@ -1970,7 +2001,7 @@ static int myri10ge_open(struct net_device *dev)
mgp->big_bytes = big_pow2;
}
status = myri10ge_allocate_rings(dev);
status = myri10ge_allocate_rings(&mgp->ss);
if (status != 0)
goto abort_with_irq;
......@@ -1989,12 +2020,12 @@ static int myri10ge_open(struct net_device *dev)
goto abort_with_rings;
}
cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->fw_stats_bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->fw_stats_bus);
cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.fw_stats_bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.fw_stats_bus);
cmd.data2 = sizeof(struct mcp_irq_data);
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0);
if (status == -ENOSYS) {
dma_addr_t bus = mgp->fw_stats_bus;
dma_addr_t bus = mgp->ss.fw_stats_bus;
bus += offsetof(struct mcp_irq_data, send_done_count);
cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus);
......@@ -2015,20 +2046,20 @@ static int myri10ge_open(struct net_device *dev)
mgp->link_state = ~0U;
mgp->rdma_tags_available = 15;
lro_mgr = &mgp->rx_done.lro_mgr;
lro_mgr = &mgp->ss.rx_done.lro_mgr;
lro_mgr->dev = dev;
lro_mgr->features = LRO_F_NAPI;
lro_mgr->ip_summed = CHECKSUM_COMPLETE;
lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
lro_mgr->lro_arr = mgp->rx_done.lro_desc;
lro_mgr->lro_arr = mgp->ss.rx_done.lro_desc;
lro_mgr->get_frag_header = myri10ge_get_frag_header;
lro_mgr->max_aggr = myri10ge_lro_max_pkts;
lro_mgr->frag_align_pad = 2;
if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
lro_mgr->max_aggr = MAX_SKB_FRAGS;
napi_enable(&mgp->napi); /* must happen prior to any irq */
napi_enable(&mgp->ss.napi); /* must happen prior to any irq */
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0);
if (status) {
......@@ -2037,8 +2068,8 @@ static int myri10ge_open(struct net_device *dev)
goto abort_with_rings;
}
mgp->wake_queue = 0;
mgp->stop_queue = 0;
mgp->ss.tx.wake_queue = 0;
mgp->ss.tx.stop_queue = 0;
mgp->running = MYRI10GE_ETH_RUNNING;
mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ;
add_timer(&mgp->watchdog_timer);
......@@ -2046,7 +2077,7 @@ static int myri10ge_open(struct net_device *dev)
return 0;
abort_with_rings:
myri10ge_free_rings(dev);
myri10ge_free_rings(&mgp->ss);
abort_with_irq:
myri10ge_free_irq(mgp);
......@@ -2058,21 +2089,19 @@ abort_with_nothing:
static int myri10ge_close(struct net_device *dev)
{
struct myri10ge_priv *mgp;
struct myri10ge_priv *mgp = netdev_priv(dev);
struct myri10ge_cmd cmd;
int status, old_down_cnt;
mgp = netdev_priv(dev);
if (mgp->running != MYRI10GE_ETH_RUNNING)
return 0;
if (mgp->tx.req_bytes == NULL)
if (mgp->ss.tx.req_bytes == NULL)
return 0;
del_timer_sync(&mgp->watchdog_timer);
mgp->running = MYRI10GE_ETH_STOPPING;
napi_disable(&mgp->napi);
napi_disable(&mgp->ss.napi);
netif_carrier_off(dev);
netif_stop_queue(dev);
old_down_cnt = mgp->down_cnt;
......@@ -2088,7 +2117,7 @@ static int myri10ge_close(struct net_device *dev)
netif_tx_disable(dev);
myri10ge_free_irq(mgp);
myri10ge_free_rings(dev);
myri10ge_free_rings(&mgp->ss);
mgp->running = MYRI10GE_ETH_STOPPED;
return 0;
......@@ -2184,7 +2213,7 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
/*
* Transmit a packet. We need to split the packet so that a single
* segment does not cross myri10ge->tx.boundary, so this makes segment
* segment does not cross myri10ge->tx_boundary, so this makes segment
* counting tricky. So rather than try to count segments up front, we
* just give up if there are too few segments to hold a reasonably
* fragmented packet currently available. If we run
......@@ -2195,8 +2224,9 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct myri10ge_priv *mgp = netdev_priv(dev);
struct myri10ge_slice_state *ss;
struct mcp_kreq_ether_send *req;
struct myri10ge_tx_buf *tx = &mgp->tx;
struct myri10ge_tx_buf *tx;
struct skb_frag_struct *frag;
dma_addr_t bus;
u32 low;
......@@ -2207,6 +2237,9 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
int cum_len, seglen, boundary, rdma_count;
u8 flags, odd_flag;
/* always transmit through slot 0 */
ss = &mgp->ss;
tx = &ss->tx;
again:
req = tx->req_list;
avail = tx->mask - 1 - (tx->req - tx->done);
......@@ -2221,7 +2254,7 @@ again:
if ((unlikely(avail < max_segments))) {
/* we are out of transmit resources */
mgp->stop_queue++;
tx->stop_queue++;
netif_stop_queue(dev);
return 1;
}
......@@ -2283,7 +2316,7 @@ again:
if (skb_padto(skb, ETH_ZLEN)) {
/* The packet is gone, so we must
* return 0 */
mgp->stats.tx_dropped += 1;
ss->stats.tx_dropped += 1;
return 0;
}
/* adjust the len to account for the zero pad
......@@ -2325,7 +2358,7 @@ again:
while (1) {
/* Break the SKB or Fragment up into pieces which
* do not cross mgp->tx.boundary */
* do not cross mgp->tx_boundary */
low = MYRI10GE_LOWPART_TO_U32(bus);
high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus));
while (len) {
......@@ -2335,7 +2368,8 @@ again:
if (unlikely(count == max_segments))
goto abort_linearize;
boundary = (low + tx->boundary) & ~(tx->boundary - 1);
boundary =
(low + mgp->tx_boundary) & ~(mgp->tx_boundary - 1);
seglen = boundary - low;
if (seglen > len)
seglen = len;
......@@ -2419,7 +2453,7 @@ again:
myri10ge_submit_req_wc(tx, tx->req_list, count);
tx->pkt_start++;
if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
mgp->stop_queue++;
tx->stop_queue++;
netif_stop_queue(dev);
}
dev->trans_start = jiffies;
......@@ -2461,12 +2495,12 @@ abort_linearize:
if (skb_linearize(skb))
goto drop;
mgp->tx_linearized++;
tx->linearized++;
goto again;
drop:
dev_kfree_skb_any(skb);
mgp->stats.tx_dropped += 1;
ss->stats.tx_dropped += 1;
return 0;
}
......@@ -2474,7 +2508,7 @@ drop:
static int myri10ge_sw_tso(struct sk_buff *skb, struct net_device *dev)
{
struct sk_buff *segs, *curr;
struct myri10ge_priv *mgp = dev->priv;
struct myri10ge_priv *mgp = netdev_priv(dev);
int status;
segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6);
......@@ -2514,14 +2548,13 @@ static struct net_device_stats *myri10ge_get_stats(struct net_device *dev)
static void myri10ge_set_multicast_list(struct net_device *dev)
{
struct myri10ge_priv *mgp = netdev_priv(dev);
struct myri10ge_cmd cmd;
struct myri10ge_priv *mgp;
struct dev_mc_list *mc_list;
__be32 data[2] = { 0, 0 };
int err;
DECLARE_MAC_BUF(mac);
mgp = netdev_priv(dev);
/* can be called from atomic contexts,
* pass 1 to force atomicity in myri10ge_send_cmd() */
myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
......@@ -2723,9 +2756,9 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
* already been enabled, then it must use a firmware image which works
* around unaligned completion packets (myri10ge_ethp_z8e.dat), and it
* should also ensure that it never gives the device a Read-DMA which is
* larger than 2KB by setting the tx.boundary to 2KB. If ECRC is
* larger than 2KB by setting the tx_boundary to 2KB. If ECRC is
* enabled, then the driver should use the aligned (myri10ge_eth_z8e.dat)
* firmware image, and set tx.boundary to 4KB.
* firmware image, and set tx_boundary to 4KB.
*/
static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
......@@ -2734,7 +2767,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
struct device *dev = &pdev->dev;
int status;
mgp->tx.boundary = 4096;
mgp->tx_boundary = 4096;
/*
* Verify the max read request size was set to 4KB
* before trying the test with 4KB.
......@@ -2746,7 +2779,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
}
if (status != 4096) {
dev_warn(dev, "Max Read Request size != 4096 (%d)\n", status);
mgp->tx.boundary = 2048;
mgp->tx_boundary = 2048;
}
/*
* load the optimized firmware (which assumes aligned PCIe
......@@ -2779,7 +2812,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
"Please install up to date fw\n");
abort:
/* fall back to using the unaligned firmware */
mgp->tx.boundary = 2048;
mgp->tx_boundary = 2048;
mgp->fw_name = myri10ge_fw_unaligned;
}
......@@ -2800,7 +2833,7 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
if (link_width < 8) {
dev_info(&mgp->pdev->dev, "PCIE x%d Link\n",
link_width);
mgp->tx.boundary = 4096;
mgp->tx_boundary = 4096;
mgp->fw_name = myri10ge_fw_aligned;
} else {
myri10ge_firmware_probe(mgp);
......@@ -2809,12 +2842,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
if (myri10ge_force_firmware == 1) {
dev_info(&mgp->pdev->dev,
"Assuming aligned completions (forced)\n");
mgp->tx.boundary = 4096;
mgp->tx_boundary = 4096;
mgp->fw_name = myri10ge_fw_aligned;
} else {
dev_info(&mgp->pdev->dev,
"Assuming unaligned completions (forced)\n");
mgp->tx.boundary = 2048;
mgp->tx_boundary = 2048;
mgp->fw_name = myri10ge_fw_unaligned;
}
}
......@@ -2931,6 +2964,7 @@ static void myri10ge_watchdog(struct work_struct *work)
{
struct myri10ge_priv *mgp =
container_of(work, struct myri10ge_priv, watchdog_work);
struct myri10ge_tx_buf *tx;
u32 reboot;
int status;
u16 cmd, vendor;
......@@ -2980,15 +3014,16 @@ static void myri10ge_watchdog(struct work_struct *work)
printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n",
mgp->dev->name);
tx = &mgp->ss.tx;
printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
mgp->dev->name, mgp->tx.req, mgp->tx.done,
mgp->tx.pkt_start, mgp->tx.pkt_done,
(int)ntohl(mgp->fw_stats->send_done_count));
mgp->dev->name, tx->req, tx->done,
tx->pkt_start, tx->pkt_done,
(int)ntohl(mgp->ss.fw_stats->send_done_count));
msleep(2000);
printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
mgp->dev->name, mgp->tx.req, mgp->tx.done,
mgp->tx.pkt_start, mgp->tx.pkt_done,
(int)ntohl(mgp->fw_stats->send_done_count));
mgp->dev->name, tx->req, tx->done,
tx->pkt_start, tx->pkt_done,
(int)ntohl(mgp->ss.fw_stats->send_done_count));
}
rtnl_lock();
myri10ge_close(mgp->dev);
......@@ -3011,28 +3046,31 @@ static void myri10ge_watchdog(struct work_struct *work)
static void myri10ge_watchdog_timer(unsigned long arg)
{
struct myri10ge_priv *mgp;
struct myri10ge_slice_state *ss;
u32 rx_pause_cnt;
mgp = (struct myri10ge_priv *)arg;
if (mgp->rx_small.watchdog_needed) {
myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
rx_pause_cnt = ntohl(mgp->ss.fw_stats->dropped_pause);
ss = &mgp->ss;
if (ss->rx_small.watchdog_needed) {
myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
mgp->small_bytes + MXGEFW_PAD, 1);
if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt >=
if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
myri10ge_fill_thresh)
mgp->rx_small.watchdog_needed = 0;
ss->rx_small.watchdog_needed = 0;
}
if (mgp->rx_big.watchdog_needed) {
myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 1);
if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt >=
if (ss->rx_big.watchdog_needed) {
myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 1);
if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
myri10ge_fill_thresh)
mgp->rx_big.watchdog_needed = 0;
ss->rx_big.watchdog_needed = 0;
}
rx_pause_cnt = ntohl(mgp->fw_stats->dropped_pause);
if (mgp->tx.req != mgp->tx.done &&
mgp->tx.done == mgp->watchdog_tx_done &&
mgp->watchdog_tx_req != mgp->watchdog_tx_done) {
if (ss->tx.req != ss->tx.done &&
ss->tx.done == ss->watchdog_tx_done &&
ss->watchdog_tx_req != ss->watchdog_tx_done) {
/* nic seems like it might be stuck.. */
if (rx_pause_cnt != mgp->watchdog_pause) {
if (net_ratelimit())
......@@ -3047,8 +3085,8 @@ static void myri10ge_watchdog_timer(unsigned long arg)
/* rearm timer */
mod_timer(&mgp->watchdog_timer,
jiffies + myri10ge_watchdog_timeout * HZ);
mgp->watchdog_tx_done = mgp->tx.done;
mgp->watchdog_tx_req = mgp->tx.req;
ss->watchdog_tx_done = ss->tx.done;
ss->watchdog_tx_req = ss->tx.req;
mgp->watchdog_pause = rx_pause_cnt;
}
......@@ -3072,7 +3110,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
mgp = netdev_priv(netdev);
mgp->dev = netdev;
netif_napi_add(netdev, &mgp->napi, myri10ge_poll, myri10ge_napi_weight);
netif_napi_add(netdev, &mgp->ss.napi, myri10ge_poll, myri10ge_napi_weight);
mgp->pdev = pdev;
mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
mgp->pause = myri10ge_flow_control;
......@@ -3118,9 +3156,9 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (mgp->cmd == NULL)
goto abort_with_netdev;
mgp->fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->fw_stats),
&mgp->fw_stats_bus, GFP_KERNEL);
if (mgp->fw_stats == NULL)
mgp->ss.fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
&mgp->ss.fw_stats_bus, GFP_KERNEL);
if (mgp->ss.fw_stats == NULL)
goto abort_with_cmd;
mgp->board_span = pci_resource_len(pdev, 0);
......@@ -3160,12 +3198,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev->dev_addr[i] = mgp->mac_addr[i];
/* allocate rx done ring */
bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
mgp->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
&mgp->rx_done.bus, GFP_KERNEL);
if (mgp->rx_done.entry == NULL)
bytes = myri10ge_max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
mgp->ss.rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
&mgp->ss.rx_done.bus, GFP_KERNEL);
if (mgp->ss.rx_done.entry == NULL)
goto abort_with_ioremap;
memset(mgp->rx_done.entry, 0, bytes);
memset(mgp->ss.rx_done.entry, 0, bytes);
myri10ge_select_firmware(mgp);
......@@ -3225,7 +3263,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
(mgp->msi_enabled ? "MSI" : "xPIC"),
netdev->irq, mgp->tx.boundary, mgp->fw_name,
netdev->irq, mgp->tx_boundary, mgp->fw_name,
(mgp->wc_enabled ? "Enabled" : "Disabled"));
return 0;
......@@ -3237,9 +3275,9 @@ abort_with_firmware:
myri10ge_dummy_rdma(mgp, 0);
abort_with_rx_done:
bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
bytes = myri10ge_max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
dma_free_coherent(&pdev->dev, bytes,
mgp->rx_done.entry, mgp->rx_done.bus);
mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
abort_with_ioremap:
iounmap(mgp->sram);
......@@ -3249,8 +3287,8 @@ abort_with_wc:
if (mgp->mtrr >= 0)
mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
#endif
dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats),
mgp->fw_stats, mgp->fw_stats_bus);
dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
abort_with_cmd:
dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
......@@ -3288,9 +3326,9 @@ static void myri10ge_remove(struct pci_dev *pdev)
/* avoid a memory leak */
pci_restore_state(pdev);
bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
bytes = myri10ge_max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
dma_free_coherent(&pdev->dev, bytes,
mgp->rx_done.entry, mgp->rx_done.bus);
mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
iounmap(mgp->sram);
......@@ -3298,8 +3336,8 @@ static void myri10ge_remove(struct pci_dev *pdev)
if (mgp->mtrr >= 0)
mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
#endif
dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats),
mgp->fw_stats, mgp->fw_stats_bus);
dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
mgp->cmd, mgp->cmd_bus);
......
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