#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
-#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/delay.h>
#include <linux/mm.h>
return -ENOMEM;
}
+ status = ql_sem_spinlock(qdev, SEM_ICB_MASK);
+ if (status)
+ return status;
+
status = ql_wait_cfg(qdev, bit);
if (status) {
QPRINTK(qdev, IFUP, ERR,
goto exit;
}
- status = ql_sem_spinlock(qdev, SEM_ICB_MASK);
- if (status)
- goto exit;
ql_write32(qdev, ICB_L, (u32) map);
ql_write32(qdev, ICB_H, (u32) (map >> 32));
- ql_sem_unlock(qdev, SEM_ICB_MASK); /* does flush too */
mask = CFG_Q_MASK | (bit << 16);
value = bit | (q_id << CFG_Q_SHIFT);
*/
status = ql_wait_cfg(qdev, bit);
exit:
+ ql_sem_unlock(qdev, SEM_ICB_MASK); /* does flush too */
pci_unmap_single(qdev->pdev, map, size, direction);
return status;
}
switch (type) {
case MAC_ADDR_TYPE_MULTI_MAC:
+ {
+ u32 upper = (addr[0] << 8) | addr[1];
+ u32 lower = (addr[2] << 24) | (addr[3] << 16) |
+ (addr[4] << 8) | (addr[5]);
+
+ status =
+ ql_wait_reg_rdy(qdev,
+ MAC_ADDR_IDX, MAC_ADDR_MW, 0);
+ if (status)
+ goto exit;
+ ql_write32(qdev, MAC_ADDR_IDX, (offset++) |
+ (index << MAC_ADDR_IDX_SHIFT) |
+ type | MAC_ADDR_E);
+ ql_write32(qdev, MAC_ADDR_DATA, lower);
+ status =
+ ql_wait_reg_rdy(qdev,
+ MAC_ADDR_IDX, MAC_ADDR_MW, 0);
+ if (status)
+ goto exit;
+ ql_write32(qdev, MAC_ADDR_IDX, (offset++) |
+ (index << MAC_ADDR_IDX_SHIFT) |
+ type | MAC_ADDR_E);
+
+ ql_write32(qdev, MAC_ADDR_DATA, upper);
+ status =
+ ql_wait_reg_rdy(qdev,
+ MAC_ADDR_IDX, MAC_ADDR_MW, 0);
+ if (status)
+ goto exit;
+ break;
+ }
case MAC_ADDR_TYPE_CAM_MAC:
{
u32 cam_output;
and possibly the function id. Right now we hardcode
the route field to NIC core.
*/
- if (type == MAC_ADDR_TYPE_CAM_MAC) {
- cam_output = (CAM_OUT_ROUTE_NIC |
- (qdev->
- func << CAM_OUT_FUNC_SHIFT) |
- (qdev->
- rss_ring_first_cq_id <<
- CAM_OUT_CQ_ID_SHIFT));
- if (qdev->vlgrp)
- cam_output |= CAM_OUT_RV;
- /* route to NIC core */
- ql_write32(qdev, MAC_ADDR_DATA, cam_output);
- }
+ cam_output = (CAM_OUT_ROUTE_NIC |
+ (qdev->
+ func << CAM_OUT_FUNC_SHIFT) |
+ (0 << CAM_OUT_CQ_ID_SHIFT));
+ if (qdev->vlgrp)
+ cam_output |= CAM_OUT_RV;
+ /* route to NIC core */
+ ql_write32(qdev, MAC_ADDR_DATA, cam_output);
break;
}
case MAC_ADDR_TYPE_VLAN:
return status;
}
+/* Set or clear MAC address in hardware. We sometimes
+ * have to clear it to prevent wrong frame routing
+ * especially in a bonding environment.
+ */
+static int ql_set_mac_addr(struct ql_adapter *qdev, int set)
+{
+ int status;
+ char zero_mac_addr[ETH_ALEN];
+ char *addr;
+
+ if (set) {
+ addr = &qdev->ndev->dev_addr[0];
+ QPRINTK(qdev, IFUP, DEBUG,
+ "Set Mac addr %02x:%02x:%02x:%02x:%02x:%02x\n",
+ addr[0], addr[1], addr[2], addr[3],
+ addr[4], addr[5]);
+ } else {
+ memset(zero_mac_addr, 0, ETH_ALEN);
+ addr = &zero_mac_addr[0];
+ QPRINTK(qdev, IFUP, DEBUG,
+ "Clearing MAC address on %s\n",
+ qdev->ndev->name);
+ }
+ status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
+ if (status)
+ return status;
+ status = ql_set_mac_addr_reg(qdev, (u8 *) addr,
+ MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ);
+ ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
+ if (status)
+ QPRINTK(qdev, IFUP, ERR, "Failed to init mac "
+ "address.\n");
+ return status;
+}
+
+void ql_link_on(struct ql_adapter *qdev)
+{
+ QPRINTK(qdev, LINK, ERR, "%s: Link is up.\n",
+ qdev->ndev->name);
+ netif_carrier_on(qdev->ndev);
+ ql_set_mac_addr(qdev, 1);
+}
+
+void ql_link_off(struct ql_adapter *qdev)
+{
+ QPRINTK(qdev, LINK, ERR, "%s: Link is down.\n",
+ qdev->ndev->name);
+ netif_carrier_off(qdev->ndev);
+ ql_set_mac_addr(qdev, 0);
+}
+
/* Get a specific frame routing value from the CAM.
* Used for debug and reg dump.
*/
}
case RT_IDX_MCAST: /* Pass up All Multicast frames. */
{
- value = RT_IDX_DST_CAM_Q | /* dest */
+ value = RT_IDX_DST_DFLT_Q | /* dest */
RT_IDX_TYPE_NICQ | /* type */
(RT_IDX_ALLMULTI_SLOT << RT_IDX_IDX_SHIFT);/* index */
break;
}
case RT_IDX_MCAST_MATCH: /* Pass up matched Multicast frames. */
{
- value = RT_IDX_DST_CAM_Q | /* dest */
+ value = RT_IDX_DST_DFLT_Q | /* dest */
RT_IDX_TYPE_NICQ | /* type */
(RT_IDX_MCAST_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */
break;
static u32 ql_disable_completion_interrupt(struct ql_adapter *qdev, u32 intr)
{
u32 var = 0;
- unsigned long hw_flags;
struct intr_context *ctx;
/* HW disables for us if we're MSIX multi interrupts and
return 0;
ctx = qdev->intr_context + intr;
- spin_lock_irqsave(&qdev->hw_lock, hw_flags);
+ spin_lock(&qdev->hw_lock);
if (!atomic_read(&ctx->irq_cnt)) {
ql_write32(qdev, INTR_EN,
ctx->intr_dis_mask);
var = ql_read32(qdev, STS);
}
atomic_inc(&ctx->irq_cnt);
- spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
+ spin_unlock(&qdev->hw_lock);
return var;
}
int status;
__le32 *p = (__le32 *)&qdev->flash;
u32 offset;
+ u8 mac_addr[6];
/* Get flash offset for function and adjust
* for dword access.
*/
- if (!qdev->func)
+ if (!qdev->port)
offset = FUNC0_FLASH_OFFSET / sizeof(u32);
else
offset = FUNC1_FLASH_OFFSET / sizeof(u32);
goto exit;
}
- if (!is_valid_ether_addr(qdev->flash.flash_params_8000.mac_addr)) {
+ /* Extract either manufacturer or BOFM modified
+ * MAC address.
+ */
+ if (qdev->flash.flash_params_8000.data_type1 == 2)
+ memcpy(mac_addr,
+ qdev->flash.flash_params_8000.mac_addr1,
+ qdev->ndev->addr_len);
+ else
+ memcpy(mac_addr,
+ qdev->flash.flash_params_8000.mac_addr,
+ qdev->ndev->addr_len);
+
+ if (!is_valid_ether_addr(mac_addr)) {
QPRINTK(qdev, IFUP, ERR, "Invalid MAC address.\n");
status = -EINVAL;
goto exit;
}
memcpy(qdev->ndev->dev_addr,
- qdev->flash.flash_params_8000.mac_addr,
+ mac_addr,
qdev->ndev->addr_len);
exit:
/* Second function's parameters follow the first
* function's.
*/
- if (qdev->func)
+ if (qdev->port)
offset = size;
if (ql_sem_spinlock(qdev, SEM_FLASH_MASK))
static int ql_8000_port_initialize(struct ql_adapter *qdev)
{
int status;
+ /*
+ * Get MPI firmware version for driver banner
+ * and ethool info.
+ */
+ status = ql_mb_about_fw(qdev);
+ if (status)
+ goto exit;
status = ql_mb_get_fw_state(qdev);
if (status)
goto exit;
return status;
}
+static inline unsigned int ql_lbq_block_size(struct ql_adapter *qdev)
+{
+ return PAGE_SIZE << qdev->lbq_buf_order;
+}
+
/* Get the next large buffer. */
static struct bq_desc *ql_get_curr_lbuf(struct rx_ring *rx_ring)
{
return lbq_desc;
}
+static struct bq_desc *ql_get_curr_lchunk(struct ql_adapter *qdev,
+ struct rx_ring *rx_ring)
+{
+ struct bq_desc *lbq_desc = ql_get_curr_lbuf(rx_ring);
+
+ pci_dma_sync_single_for_cpu(qdev->pdev,
+ pci_unmap_addr(lbq_desc, mapaddr),
+ rx_ring->lbq_buf_size,
+ PCI_DMA_FROMDEVICE);
+
+ /* If it's the last chunk of our master page then
+ * we unmap it.
+ */
+ if ((lbq_desc->p.pg_chunk.offset + rx_ring->lbq_buf_size)
+ == ql_lbq_block_size(qdev))
+ pci_unmap_page(qdev->pdev,
+ lbq_desc->p.pg_chunk.map,
+ ql_lbq_block_size(qdev),
+ PCI_DMA_FROMDEVICE);
+ return lbq_desc;
+}
+
/* Get the next small buffer. */
static struct bq_desc *ql_get_curr_sbuf(struct rx_ring *rx_ring)
{
ql_write_db_reg(rx_ring->cnsmr_idx, rx_ring->cnsmr_idx_db_reg);
}
+static int ql_get_next_chunk(struct ql_adapter *qdev, struct rx_ring *rx_ring,
+ struct bq_desc *lbq_desc)
+{
+ if (!rx_ring->pg_chunk.page) {
+ u64 map;
+ rx_ring->pg_chunk.page = alloc_pages(__GFP_COLD | __GFP_COMP |
+ GFP_ATOMIC,
+ qdev->lbq_buf_order);
+ if (unlikely(!rx_ring->pg_chunk.page)) {
+ QPRINTK(qdev, DRV, ERR,
+ "page allocation failed.\n");
+ return -ENOMEM;
+ }
+ rx_ring->pg_chunk.offset = 0;
+ map = pci_map_page(qdev->pdev, rx_ring->pg_chunk.page,
+ 0, ql_lbq_block_size(qdev),
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(qdev->pdev, map)) {
+ __free_pages(rx_ring->pg_chunk.page,
+ qdev->lbq_buf_order);
+ QPRINTK(qdev, DRV, ERR,
+ "PCI mapping failed.\n");
+ return -ENOMEM;
+ }
+ rx_ring->pg_chunk.map = map;
+ rx_ring->pg_chunk.va = page_address(rx_ring->pg_chunk.page);
+ }
+
+ /* Copy the current master pg_chunk info
+ * to the current descriptor.
+ */
+ lbq_desc->p.pg_chunk = rx_ring->pg_chunk;
+
+ /* Adjust the master page chunk for next
+ * buffer get.
+ */
+ rx_ring->pg_chunk.offset += rx_ring->lbq_buf_size;
+ if (rx_ring->pg_chunk.offset == ql_lbq_block_size(qdev)) {
+ rx_ring->pg_chunk.page = NULL;
+ lbq_desc->p.pg_chunk.last_flag = 1;
+ } else {
+ rx_ring->pg_chunk.va += rx_ring->lbq_buf_size;
+ get_page(rx_ring->pg_chunk.page);
+ lbq_desc->p.pg_chunk.last_flag = 0;
+ }
+ return 0;
+}
/* Process (refill) a large buffer queue. */
static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
{
u64 map;
int i;
- while (rx_ring->lbq_free_cnt > 16) {
+ while (rx_ring->lbq_free_cnt > 32) {
for (i = 0; i < 16; i++) {
QPRINTK(qdev, RX_STATUS, DEBUG,
"lbq: try cleaning clean_idx = %d.\n",
clean_idx);
lbq_desc = &rx_ring->lbq[clean_idx];
- if (lbq_desc->p.lbq_page == NULL) {
- QPRINTK(qdev, RX_STATUS, DEBUG,
- "lbq: getting new page for index %d.\n",
- lbq_desc->index);
- lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC);
- if (lbq_desc->p.lbq_page == NULL) {
- rx_ring->lbq_clean_idx = clean_idx;
- QPRINTK(qdev, RX_STATUS, ERR,
- "Couldn't get a page.\n");
- return;
- }
- map = pci_map_page(qdev->pdev,
- lbq_desc->p.lbq_page,
- 0, PAGE_SIZE,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(qdev->pdev, map)) {
- rx_ring->lbq_clean_idx = clean_idx;
- put_page(lbq_desc->p.lbq_page);
- lbq_desc->p.lbq_page = NULL;
- QPRINTK(qdev, RX_STATUS, ERR,
- "PCI mapping failed.\n");
+ if (ql_get_next_chunk(qdev, rx_ring, lbq_desc)) {
+ QPRINTK(qdev, IFUP, ERR,
+ "Could not get a page chunk.\n");
return;
}
+
+ map = lbq_desc->p.pg_chunk.map +
+ lbq_desc->p.pg_chunk.offset;
pci_unmap_addr_set(lbq_desc, mapaddr, map);
- pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE);
+ pci_unmap_len_set(lbq_desc, maplen,
+ rx_ring->lbq_buf_size);
*lbq_desc->addr = cpu_to_le64(map);
- }
+
+ pci_dma_sync_single_for_device(qdev->pdev, map,
+ rx_ring->lbq_buf_size,
+ PCI_DMA_FROMDEVICE);
clean_idx++;
if (clean_idx == rx_ring->lbq_len)
clean_idx = 0;
sbq_desc->index);
sbq_desc->p.skb =
netdev_alloc_skb(qdev->ndev,
- rx_ring->sbq_buf_size);
+ SMALL_BUFFER_SIZE);
if (sbq_desc->p.skb == NULL) {
QPRINTK(qdev, PROBE, ERR,
"Couldn't get an skb.\n");
skb_reserve(sbq_desc->p.skb, QLGE_SB_PAD);
map = pci_map_single(qdev->pdev,
sbq_desc->p.skb->data,
- rx_ring->sbq_buf_size /
- 2, PCI_DMA_FROMDEVICE);
+ rx_ring->sbq_buf_size,
+ PCI_DMA_FROMDEVICE);
if (pci_dma_mapping_error(qdev->pdev, map)) {
QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n");
rx_ring->sbq_clean_idx = clean_idx;
}
pci_unmap_addr_set(sbq_desc, mapaddr, map);
pci_unmap_len_set(sbq_desc, maplen,
- rx_ring->sbq_buf_size / 2);
+ rx_ring->sbq_buf_size);
*sbq_desc->addr = cpu_to_le64(map);
}
* chain it to the header buffer's skb and let
* it rip.
*/
- lbq_desc = ql_get_curr_lbuf(rx_ring);
- pci_unmap_page(qdev->pdev,
- pci_unmap_addr(lbq_desc,
- mapaddr),
- pci_unmap_len(lbq_desc, maplen),
- PCI_DMA_FROMDEVICE);
+ lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
QPRINTK(qdev, RX_STATUS, DEBUG,
- "Chaining page to skb.\n");
- skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page,
- 0, length);
+ "Chaining page at offset = %d,"
+ "for %d bytes to skb.\n",
+ lbq_desc->p.pg_chunk.offset, length);
+ skb_fill_page_desc(skb, 0, lbq_desc->p.pg_chunk.page,
+ lbq_desc->p.pg_chunk.offset,
+ length);
skb->len += length;
skb->data_len += length;
skb->truesize += length;
- lbq_desc->p.lbq_page = NULL;
} else {
/*
* The headers and data are in a single large buffer. We
* copy it to a new skb and let it go. This can happen with
* jumbo mtu on a non-TCP/UDP frame.
*/
- lbq_desc = ql_get_curr_lbuf(rx_ring);
+ lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
skb = netdev_alloc_skb(qdev->ndev, length);
if (skb == NULL) {
QPRINTK(qdev, PROBE, DEBUG,
skb_reserve(skb, NET_IP_ALIGN);
QPRINTK(qdev, RX_STATUS, DEBUG,
"%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length);
- skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page,
- 0, length);
+ skb_fill_page_desc(skb, 0,
+ lbq_desc->p.pg_chunk.page,
+ lbq_desc->p.pg_chunk.offset,
+ length);
skb->len += length;
skb->data_len += length;
skb->truesize += length;
length -= length;
- lbq_desc->p.lbq_page = NULL;
__pskb_pull_tail(skb,
(ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ?
VLAN_ETH_HLEN : ETH_HLEN);
* frames. If the MTU goes up we could
* eventually be in trouble.
*/
- int size, offset, i = 0;
- __le64 *bq, bq_array[8];
+ int size, i = 0;
sbq_desc = ql_get_curr_sbuf(rx_ring);
pci_unmap_single(qdev->pdev,
pci_unmap_addr(sbq_desc, mapaddr),
QPRINTK(qdev, RX_STATUS, DEBUG,
"%d bytes of headers & data in chain of large.\n", length);
skb = sbq_desc->p.skb;
- bq = &bq_array[0];
- memcpy(bq, skb->data, sizeof(bq_array));
sbq_desc->p.skb = NULL;
skb_reserve(skb, NET_IP_ALIGN);
- } else {
- QPRINTK(qdev, RX_STATUS, DEBUG,
- "Headers in small, %d bytes of data in chain of large.\n", length);
- bq = (__le64 *)sbq_desc->p.skb->data;
}
while (length > 0) {
- lbq_desc = ql_get_curr_lbuf(rx_ring);
- pci_unmap_page(qdev->pdev,
- pci_unmap_addr(lbq_desc,
- mapaddr),
- pci_unmap_len(lbq_desc,
- maplen),
- PCI_DMA_FROMDEVICE);
- size = (length < PAGE_SIZE) ? length : PAGE_SIZE;
- offset = 0;
+ lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
+ size = (length < rx_ring->lbq_buf_size) ? length :
+ rx_ring->lbq_buf_size;
QPRINTK(qdev, RX_STATUS, DEBUG,
"Adding page %d to skb for %d bytes.\n",
i, size);
- skb_fill_page_desc(skb, i, lbq_desc->p.lbq_page,
- offset, size);
+ skb_fill_page_desc(skb, i,
+ lbq_desc->p.pg_chunk.page,
+ lbq_desc->p.pg_chunk.offset,
+ size);
skb->len += size;
skb->data_len += size;
skb->truesize += size;
length -= size;
- lbq_desc->p.lbq_page = NULL;
- bq++;
i++;
}
__pskb_pull_tail(skb, (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ?
{
struct net_device *ndev = qdev->ndev;
struct sk_buff *skb = NULL;
+ u16 vlan_id = (le16_to_cpu(ib_mac_rsp->vlan_id) &
+ IB_MAC_IOCB_RSP_VLAN_MASK)
QL_DUMP_IB_MAC_RSP(ib_mac_rsp);
if (unlikely(!skb)) {
QPRINTK(qdev, RX_STATUS, DEBUG,
"No skb available, drop packet.\n");
+ rx_ring->rx_dropped++;
+ return;
+ }
+
+ /* Frame error, so drop the packet. */
+ if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) {
+ QPRINTK(qdev, DRV, ERR, "Receive error, flags2 = 0x%x\n",
+ ib_mac_rsp->flags2);
+ dev_kfree_skb_any(skb);
+ rx_ring->rx_errors++;
+ return;
+ }
+
+ /* The max framesize filter on this chip is set higher than
+ * MTU since FCoE uses 2k frames.
+ */
+ if (skb->len > ndev->mtu + ETH_HLEN) {
+ dev_kfree_skb_any(skb);
+ rx_ring->rx_dropped++;
+ return;
+ }
+
+ /* loopback self test for ethtool */
+ if (test_bit(QL_SELFTEST, &qdev->flags)) {
+ ql_check_lb_frame(qdev, skb);
+ dev_kfree_skb_any(skb);
return;
}
IB_MAC_IOCB_RSP_M_REG ? "Registered" : "",
(ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) ==
IB_MAC_IOCB_RSP_M_PROM ? "Promiscuous" : "");
+ rx_ring->rx_multicast++;
}
if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) {
QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n");
}
- if (ib_mac_rsp->flags1 & (IB_MAC_IOCB_RSP_IE | IB_MAC_IOCB_RSP_TE)) {
- QPRINTK(qdev, RX_STATUS, ERR,
- "Bad checksum for this %s packet.\n",
- ((ib_mac_rsp->
- flags2 & IB_MAC_IOCB_RSP_T) ? "TCP" : "UDP"));
- skb->ip_summed = CHECKSUM_NONE;
- } else if (qdev->rx_csum &&
- ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) ||
- ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) &&
- !(ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_NU)))) {
- QPRINTK(qdev, RX_STATUS, DEBUG, "RX checksum done!\n");
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- }
- qdev->stats.rx_packets++;
- qdev->stats.rx_bytes += skb->len;
+
skb->protocol = eth_type_trans(skb, ndev);
- skb_record_rx_queue(skb, rx_ring - &qdev->rx_ring[0]);
- if (qdev->vlgrp && (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V)) {
- QPRINTK(qdev, RX_STATUS, DEBUG,
- "Passing a VLAN packet upstream.\n");
- vlan_hwaccel_receive_skb(skb, qdev->vlgrp,
- le16_to_cpu(ib_mac_rsp->vlan_id));
+ skb->ip_summed = CHECKSUM_NONE;
+
+ /* If rx checksum is on, and there are no
+ * csum or frame errors.
+ */
+ if (qdev->rx_csum &&
+ !(ib_mac_rsp->flags1 & IB_MAC_CSUM_ERR_MASK)) {
+ /* TCP frame. */
+ if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) {
+ QPRINTK(qdev, RX_STATUS, DEBUG,
+ "TCP checksum done!\n");
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ } else if ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) &&
+ (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_V4)) {
+ /* Unfragmented ipv4 UDP frame. */
+ struct iphdr *iph = (struct iphdr *) skb->data;
+ if (!(iph->frag_off &
+ cpu_to_be16(IP_MF|IP_OFFSET))) {
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ QPRINTK(qdev, RX_STATUS, DEBUG,
+ "TCP checksum done!\n");
+ }
+ }
+ }
+
+ rx_ring->rx_packets++;
+ rx_ring->rx_bytes += skb->len;
+ skb_record_rx_queue(skb, rx_ring->cq_id);
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
+ if (qdev->vlgrp &&
+ (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) &&
+ (vlan_id != 0))
+ vlan_gro_receive(&rx_ring->napi, qdev->vlgrp,
+ vlan_id, skb);
+ else
+ napi_gro_receive(&rx_ring->napi, skb);
} else {
- QPRINTK(qdev, RX_STATUS, DEBUG,
- "Passing a normal packet upstream.\n");
- netif_receive_skb(skb);
+ if (qdev->vlgrp &&
+ (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) &&
+ (vlan_id != 0))
+ vlan_hwaccel_receive_skb(skb, qdev->vlgrp, vlan_id);
+ else
+ netif_receive_skb(skb);
}
}
tx_ring = &qdev->tx_ring[mac_rsp->txq_idx];
tx_ring_desc = &tx_ring->q[mac_rsp->tid];
ql_unmap_send(qdev, tx_ring_desc, tx_ring_desc->map_cnt);
- qdev->stats.tx_bytes += tx_ring_desc->map_cnt;
- qdev->stats.tx_packets++;
+ tx_ring->tx_bytes += (tx_ring_desc->skb)->len;
+ tx_ring->tx_packets++;
dev_kfree_skb(tx_ring_desc->skb);
tx_ring_desc->skb = NULL;
/* Fire up a handler to reset the MPI processor. */
void ql_queue_fw_error(struct ql_adapter *qdev)
{
- netif_stop_queue(qdev->ndev);
- netif_carrier_off(qdev->ndev);
+ ql_link_off(qdev);
queue_delayed_work(qdev->workqueue, &qdev->mpi_reset_work, 0);
}
void ql_queue_asic_error(struct ql_adapter *qdev)
{
- netif_stop_queue(qdev->ndev);
- netif_carrier_off(qdev->ndev);
+ ql_link_off(qdev);
ql_disable_interrupts(qdev);
/* Clear adapter up bit to signal the recovery
* process that it shouldn't kill the reset worker
struct ob_mac_iocb_rsp *net_rsp = NULL;
int count = 0;
+ struct tx_ring *tx_ring;
/* While there are entries in the completion queue. */
while (prod != rx_ring->cnsmr_idx) {
prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg);
}
ql_write_cq_idx(rx_ring);
- if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) {
- struct tx_ring *tx_ring = &qdev->tx_ring[net_rsp->txq_idx];
+ tx_ring = &qdev->tx_ring[net_rsp->txq_idx];
+ if (__netif_subqueue_stopped(qdev->ndev, tx_ring->wq_id) &&
+ net_rsp != NULL) {
if (atomic_read(&tx_ring->queue_stopped) &&
(atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4)))
/*
* The queue got stopped because the tx_ring was full.
* Wake it up, because it's now at least 25% empty.
*/
- netif_wake_queue(qdev->ndev);
+ netif_wake_subqueue(qdev->ndev, tx_ring->wq_id);
}
return count;
{
struct rx_ring *rx_ring = container_of(napi, struct rx_ring, napi);
struct ql_adapter *qdev = rx_ring->qdev;
- int work_done = ql_clean_inbound_rx_ring(rx_ring, budget);
+ struct rx_ring *trx_ring;
+ int i, work_done = 0;
+ struct intr_context *ctx = &qdev->intr_context[rx_ring->cq_id];
QPRINTK(qdev, RX_STATUS, DEBUG, "Enter, NAPI POLL cq_id = %d.\n",
rx_ring->cq_id);
+ /* Service the TX rings first. They start
+ * right after the RSS rings. */
+ for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
+ trx_ring = &qdev->rx_ring[i];
+ /* If this TX completion ring belongs to this vector and
+ * it's not empty then service it.
+ */
+ if ((ctx->irq_mask & (1 << trx_ring->cq_id)) &&
+ (ql_read_sh_reg(trx_ring->prod_idx_sh_reg) !=
+ trx_ring->cnsmr_idx)) {
+ QPRINTK(qdev, INTR, DEBUG,
+ "%s: Servicing TX completion ring %d.\n",
+ __func__, trx_ring->cq_id);
+ ql_clean_outbound_rx_ring(trx_ring);
+ }
+ }
+
+ /*
+ * Now service the RSS ring if it's active.
+ */
+ if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) !=
+ rx_ring->cnsmr_idx) {
+ QPRINTK(qdev, INTR, DEBUG,
+ "%s: Servicing RX completion ring %d.\n",
+ __func__, rx_ring->cq_id);
+ work_done = ql_clean_inbound_rx_ring(rx_ring, budget);
+ }
+
if (work_done < budget) {
- __napi_complete(napi);
+ napi_complete(napi);
ql_enable_completion_interrupt(qdev, rx_ring->irq);
}
return work_done;
}
-static void ql_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp)
+static void qlge_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp)
{
struct ql_adapter *qdev = netdev_priv(ndev);
}
}
-static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
+static void qlge_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
{
struct ql_adapter *qdev = netdev_priv(ndev);
u32 enable_bit = MAC_ADDR_E;
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
return;
- spin_lock(&qdev->hw_lock);
if (ql_set_mac_addr_reg
(qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) {
QPRINTK(qdev, IFUP, ERR, "Failed to init vlan address.\n");
}
- spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
}
-static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid)
+static void qlge_vlan_rx_kill_vid(struct net_device *ndev, u16 vid)
{
struct ql_adapter *qdev = netdev_priv(ndev);
u32 enable_bit = 0;
if (status)
return;
- spin_lock(&qdev->hw_lock);
if (ql_set_mac_addr_reg
(qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) {
QPRINTK(qdev, IFUP, ERR, "Failed to clear vlan address.\n");
}
- spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
}
-/* Worker thread to process a given rx_ring that is dedicated
- * to outbound completions.
- */
-static void ql_tx_clean(struct work_struct *work)
-{
- struct rx_ring *rx_ring =
- container_of(work, struct rx_ring, rx_work.work);
- ql_clean_outbound_rx_ring(rx_ring);
- ql_enable_completion_interrupt(rx_ring->qdev, rx_ring->irq);
-
-}
-
-/* Worker thread to process a given rx_ring that is dedicated
- * to inbound completions.
- */
-static void ql_rx_clean(struct work_struct *work)
-{
- struct rx_ring *rx_ring =
- container_of(work, struct rx_ring, rx_work.work);
- ql_clean_inbound_rx_ring(rx_ring, 64);
- ql_enable_completion_interrupt(rx_ring->qdev, rx_ring->irq);
-}
-
-/* MSI-X Multiple Vector Interrupt Handler for outbound completions. */
-static irqreturn_t qlge_msix_tx_isr(int irq, void *dev_id)
-{
- struct rx_ring *rx_ring = dev_id;
- queue_delayed_work_on(rx_ring->cpu, rx_ring->qdev->q_workqueue,
- &rx_ring->rx_work, 0);
- return IRQ_HANDLED;
-}
-
/* MSI-X Multiple Vector Interrupt Handler for inbound completions. */
static irqreturn_t qlge_msix_rx_isr(int irq, void *dev_id)
{
struct ql_adapter *qdev = rx_ring->qdev;
struct intr_context *intr_context = &qdev->intr_context[0];
u32 var;
- int i;
int work_done = 0;
spin_lock(&qdev->hw_lock);
/*
* Check MPI processor activity.
*/
- if (var & STS_PI) {
+ if ((var & STS_PI) &&
+ (ql_read32(qdev, INTR_MASK) & INTR_MASK_PI)) {
/*
* We've got an async event or mailbox completion.
* Handle it and clear the source of the interrupt.
*/
QPRINTK(qdev, INTR, ERR, "Got MPI processor interrupt.\n");
ql_disable_completion_interrupt(qdev, intr_context->intr);
- queue_delayed_work_on(smp_processor_id(), qdev->workqueue,
- &qdev->mpi_work, 0);
+ ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
+ queue_delayed_work_on(smp_processor_id(),
+ qdev->workqueue, &qdev->mpi_work, 0);
work_done++;
}
/*
- * Check the default queue and wake handler if active.
+ * Get the bit-mask that shows the active queues for this
+ * pass. Compare it to the queues that this irq services
+ * and call napi if there's a match.
*/
- rx_ring = &qdev->rx_ring[0];
- if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) {
- QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n");
+ var = ql_read32(qdev, ISR1);
+ if (var & intr_context->irq_mask) {
+ QPRINTK(qdev, INTR, INFO,
+ "Waking handler for rx_ring[0].\n");
ql_disable_completion_interrupt(qdev, intr_context->intr);
- queue_delayed_work_on(smp_processor_id(), qdev->q_workqueue,
- &rx_ring->rx_work, 0);
+ napi_schedule(&rx_ring->napi);
work_done++;
}
-
- if (!test_bit(QL_MSIX_ENABLED, &qdev->flags)) {
- /*
- * Start the DPC for each active queue.
- */
- for (i = 1; i < qdev->rx_ring_count; i++) {
- rx_ring = &qdev->rx_ring[i];
- if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) !=
- rx_ring->cnsmr_idx) {
- QPRINTK(qdev, INTR, INFO,
- "Waking handler for rx_ring[%d].\n", i);
- ql_disable_completion_interrupt(qdev,
- intr_context->
- intr);
- if (i < qdev->rss_ring_first_cq_id)
- queue_delayed_work_on(rx_ring->cpu,
- qdev->q_workqueue,
- &rx_ring->rx_work,
- 0);
- else
- napi_schedule(&rx_ring->napi);
- work_done++;
- }
- }
- }
ql_enable_completion_interrupt(qdev, intr_context->intr);
return work_done ? IRQ_HANDLED : IRQ_NONE;
}
iph->daddr, len, iph->protocol, 0);
}
-static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev)
{
struct tx_ring_desc *tx_ring_desc;
struct ob_mac_iocb_req *mac_iocb_ptr;
struct ql_adapter *qdev = netdev_priv(ndev);
int tso;
struct tx_ring *tx_ring;
- u32 tx_ring_idx = (u32) QL_TXQ_IDX(qdev, skb);
+ u32 tx_ring_idx = (u32) skb->queue_mapping;
tx_ring = &qdev->tx_ring[tx_ring_idx];
+ if (skb_padto(skb, ETH_ZLEN))
+ return NETDEV_TX_OK;
+
if (unlikely(atomic_read(&tx_ring->tx_count) < 2)) {
QPRINTK(qdev, TX_QUEUED, INFO,
"%s: shutting down tx queue %d du to lack of resources.\n",
__func__, tx_ring_idx);
- netif_stop_queue(ndev);
+ netif_stop_subqueue(ndev, tx_ring->wq_id);
atomic_inc(&tx_ring->queue_stopped);
+ tx_ring->tx_errors++;
return NETDEV_TX_BUSY;
}
tx_ring_desc = &tx_ring->q[tx_ring->prod_idx];
mac_iocb_ptr = tx_ring_desc->queue_entry;
- memset((void *)mac_iocb_ptr, 0, sizeof(mac_iocb_ptr));
+ memset((void *)mac_iocb_ptr, 0, sizeof(*mac_iocb_ptr));
mac_iocb_ptr->opcode = OPCODE_OB_MAC_IOCB;
mac_iocb_ptr->tid = tx_ring_desc->index;
NETDEV_TX_OK) {
QPRINTK(qdev, TX_QUEUED, ERR,
"Could not map the segments.\n");
+ tx_ring->tx_errors++;
return NETDEV_TX_BUSY;
}
QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr);
wmb();
ql_write_db_reg(tx_ring->prod_idx, tx_ring->prod_idx_db_reg);
- ndev->trans_start = jiffies;
QPRINTK(qdev, TX_QUEUED, DEBUG, "tx queued, slot %d, len %d\n",
tx_ring->prod_idx, skb->len);
return NETDEV_TX_OK;
}
+
static void ql_free_shadow_space(struct ql_adapter *qdev)
{
if (qdev->rx_ring_shadow_reg_area) {
"Allocation of RX shadow space failed.\n");
return -ENOMEM;
}
+ memset(qdev->rx_ring_shadow_reg_area, 0, PAGE_SIZE);
qdev->tx_ring_shadow_reg_area =
pci_alloc_consistent(qdev->pdev, PAGE_SIZE,
&qdev->tx_ring_shadow_reg_dma);
"Allocation of TX shadow space failed.\n");
goto err_wqp_sh_area;
}
+ memset(qdev->tx_ring_shadow_reg_area, 0, PAGE_SIZE);
return 0;
err_wqp_sh_area:
&tx_ring->wq_base_dma);
if ((tx_ring->wq_base == NULL)
- || tx_ring->wq_base_dma & (tx_ring->wq_size - 1)) {
+ || tx_ring->wq_base_dma & WQ_ADDR_ALIGN) {
QPRINTK(qdev, IFUP, ERR, "tx_ring alloc failed.\n");
return -ENOMEM;
}
static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring)
{
- int i;
struct bq_desc *lbq_desc;
- for (i = 0; i < rx_ring->lbq_len; i++) {
- lbq_desc = &rx_ring->lbq[i];
- if (lbq_desc->p.lbq_page) {
+ uint32_t curr_idx, clean_idx;
+
+ curr_idx = rx_ring->lbq_curr_idx;
+ clean_idx = rx_ring->lbq_clean_idx;
+ while (curr_idx != clean_idx) {
+ lbq_desc = &rx_ring->lbq[curr_idx];
+
+ if (lbq_desc->p.pg_chunk.last_flag) {
pci_unmap_page(qdev->pdev,
- pci_unmap_addr(lbq_desc, mapaddr),
- pci_unmap_len(lbq_desc, maplen),
+ lbq_desc->p.pg_chunk.map,
+ ql_lbq_block_size(qdev),
PCI_DMA_FROMDEVICE);
-
- put_page(lbq_desc->p.lbq_page);
- lbq_desc->p.lbq_page = NULL;
+ lbq_desc->p.pg_chunk.last_flag = 0;
}
+
+ put_page(lbq_desc->p.pg_chunk.page);
+ lbq_desc->p.pg_chunk.page = NULL;
+
+ if (++curr_idx == rx_ring->lbq_len)
+ curr_idx = 0;
+
}
}
{
struct cqicb *cqicb = &rx_ring->cqicb;
void *shadow_reg = qdev->rx_ring_shadow_reg_area +
- (rx_ring->cq_id * sizeof(u64) * 4);
+ (rx_ring->cq_id * RX_RING_SHADOW_SPACE);
u64 shadow_reg_dma = qdev->rx_ring_shadow_reg_dma +
- (rx_ring->cq_id * sizeof(u64) * 4);
+ (rx_ring->cq_id * RX_RING_SHADOW_SPACE);
void __iomem *doorbell_area =
qdev->doorbell_area + (DB_PAGE_SIZE * (128 + rx_ring->cq_id));
int err = 0;
u16 bq_len;
+ u64 tmp;
+ __le64 *base_indirect_ptr;
+ int page_entries;
/* Set up the shadow registers for this ring. */
rx_ring->prod_idx_sh_reg = shadow_reg;
rx_ring->prod_idx_sh_reg_dma = shadow_reg_dma;
+ *rx_ring->prod_idx_sh_reg = 0;
shadow_reg += sizeof(u64);
shadow_reg_dma += sizeof(u64);
rx_ring->lbq_base_indirect = shadow_reg;
rx_ring->lbq_base_indirect_dma = shadow_reg_dma;
- shadow_reg += sizeof(u64);
- shadow_reg_dma += sizeof(u64);
+ shadow_reg += (sizeof(u64) * MAX_DB_PAGES_PER_BQ(rx_ring->lbq_len));
+ shadow_reg_dma += (sizeof(u64) * MAX_DB_PAGES_PER_BQ(rx_ring->lbq_len));
rx_ring->sbq_base_indirect = shadow_reg;
rx_ring->sbq_base_indirect_dma = shadow_reg_dma;
FLAGS_LI; /* Load irq delay values */
if (rx_ring->lbq_len) {
cqicb->flags |= FLAGS_LL; /* Load lbq values */
- *((u64 *) rx_ring->lbq_base_indirect) = rx_ring->lbq_base_dma;
+ tmp = (u64)rx_ring->lbq_base_dma;
+ base_indirect_ptr = (__le64 *) rx_ring->lbq_base_indirect;
+ page_entries = 0;
+ do {
+ *base_indirect_ptr = cpu_to_le64(tmp);
+ tmp += DB_PAGE_SIZE;
+ base_indirect_ptr++;
+ page_entries++;
+ } while (page_entries < MAX_DB_PAGES_PER_BQ(rx_ring->lbq_len));
cqicb->lbq_addr =
cpu_to_le64(rx_ring->lbq_base_indirect_dma);
bq_len = (rx_ring->lbq_buf_size == 65536) ? 0 :
}
if (rx_ring->sbq_len) {
cqicb->flags |= FLAGS_LS; /* Load sbq values */
- *((u64 *) rx_ring->sbq_base_indirect) = rx_ring->sbq_base_dma;
+ tmp = (u64)rx_ring->sbq_base_dma;
+ base_indirect_ptr = (__le64 *) rx_ring->sbq_base_indirect;
+ page_entries = 0;
+ do {
+ *base_indirect_ptr = cpu_to_le64(tmp);
+ tmp += DB_PAGE_SIZE;
+ base_indirect_ptr++;
+ page_entries++;
+ } while (page_entries < MAX_DB_PAGES_PER_BQ(rx_ring->sbq_len));
cqicb->sbq_addr =
cpu_to_le64(rx_ring->sbq_base_indirect_dma);
cqicb->sbq_buf_size =
- cpu_to_le16(((rx_ring->sbq_buf_size / 2) + 8) & 0xfffffff8);
+ cpu_to_le16((u16)(rx_ring->sbq_buf_size));
bq_len = (rx_ring->sbq_len == 65536) ? 0 :
(u16) rx_ring->sbq_len;
cqicb->sbq_len = cpu_to_le16(bq_len);
}
switch (rx_ring->type) {
case TX_Q:
- /* If there's only one interrupt, then we use
- * worker threads to process the outbound
- * completion handling rx_rings. We do this so
- * they can be run on multiple CPUs. There is
- * room to play with this more where we would only
- * run in a worker if there are more than x number
- * of outbound completions on the queue and more
- * than one queue active. Some threshold that
- * would indicate a benefit in spite of the cost
- * of a context switch.
- * If there's more than one interrupt, then the
- * outbound completions are processed in the ISR.
- */
- if (!test_bit(QL_MSIX_ENABLED, &qdev->flags))
- INIT_DELAYED_WORK(&rx_ring->rx_work, ql_tx_clean);
- else {
- /* With all debug warnings on we see a WARN_ON message
- * when we free the skb in the interrupt context.
- */
- INIT_DELAYED_WORK(&rx_ring->rx_work, ql_tx_clean);
- }
cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
cqicb->pkt_delay = cpu_to_le16(qdev->tx_max_coalesced_frames);
break;
- case DEFAULT_Q:
- INIT_DELAYED_WORK(&rx_ring->rx_work, ql_rx_clean);
- cqicb->irq_delay = 0;
- cqicb->pkt_delay = 0;
- break;
case RX_Q:
/* Inbound completion handling rx_rings run in
* separate NAPI contexts.
ql_init_tx_ring(qdev, tx_ring);
- err = ql_write_cfg(qdev, wqicb, sizeof(wqicb), CFG_LRQ,
+ err = ql_write_cfg(qdev, wqicb, sizeof(*wqicb), CFG_LRQ,
(u16) tx_ring->wq_id);
if (err) {
QPRINTK(qdev, IFUP, ERR, "Failed to load tx_ring.\n");
}
}
+/* We start by trying to get the number of vectors
+ * stored in qdev->intr_count. If we don't get that
+ * many then we reduce the count and try again.
+ */
static void ql_enable_msix(struct ql_adapter *qdev)
{
- int i;
+ int i, err;
- qdev->intr_count = 1;
/* Get the MSIX vectors. */
if (irq_type == MSIX_IRQ) {
/* Try to alloc space for the msix struct,
* if it fails then go to MSI/legacy.
*/
- qdev->msi_x_entry = kcalloc(qdev->rx_ring_count,
+ qdev->msi_x_entry = kcalloc(qdev->intr_count,
sizeof(struct msix_entry),
GFP_KERNEL);
if (!qdev->msi_x_entry) {
goto msi;
}
- for (i = 0; i < qdev->rx_ring_count; i++)
+ for (i = 0; i < qdev->intr_count; i++)
qdev->msi_x_entry[i].entry = i;
- if (!pci_enable_msix
- (qdev->pdev, qdev->msi_x_entry, qdev->rx_ring_count)) {
- set_bit(QL_MSIX_ENABLED, &qdev->flags);
- qdev->intr_count = qdev->rx_ring_count;
- QPRINTK(qdev, IFUP, DEBUG,
- "MSI-X Enabled, got %d vectors.\n",
- qdev->intr_count);
- return;
- } else {
+ /* Loop to get our vectors. We start with
+ * what we want and settle for what we get.
+ */
+ do {
+ err = pci_enable_msix(qdev->pdev,
+ qdev->msi_x_entry, qdev->intr_count);
+ if (err > 0)
+ qdev->intr_count = err;
+ } while (err > 0);
+
+ if (err < 0) {
kfree(qdev->msi_x_entry);
qdev->msi_x_entry = NULL;
QPRINTK(qdev, IFUP, WARNING,
"MSI-X Enable failed, trying MSI.\n");
+ qdev->intr_count = 1;
irq_type = MSI_IRQ;
+ } else if (err == 0) {
+ set_bit(QL_MSIX_ENABLED, &qdev->flags);
+ QPRINTK(qdev, IFUP, INFO,
+ "MSI-X Enabled, got %d vectors.\n",
+ qdev->intr_count);
+ return;
}
}
msi:
+ qdev->intr_count = 1;
if (irq_type == MSI_IRQ) {
if (!pci_enable_msi(qdev->pdev)) {
set_bit(QL_MSI_ENABLED, &qdev->flags);
QPRINTK(qdev, IFUP, DEBUG, "Running with legacy interrupts.\n");
}
+/* Each vector services 1 RSS ring and and 1 or more
+ * TX completion rings. This function loops through
+ * the TX completion rings and assigns the vector that
+ * will service it. An example would be if there are
+ * 2 vectors (so 2 RSS rings) and 8 TX completion rings.
+ * This would mean that vector 0 would service RSS ring 0
+ * and TX competion rings 0,1,2 and 3. Vector 1 would
+ * service RSS ring 1 and TX completion rings 4,5,6 and 7.
+ */
+static void ql_set_tx_vect(struct ql_adapter *qdev)
+{
+ int i, j, vect;
+ u32 tx_rings_per_vector = qdev->tx_ring_count / qdev->intr_count;
+
+ if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags))) {
+ /* Assign irq vectors to TX rx_rings.*/
+ for (vect = 0, j = 0, i = qdev->rss_ring_count;
+ i < qdev->rx_ring_count; i++) {
+ if (j == tx_rings_per_vector) {
+ vect++;
+ j = 0;
+ }
+ qdev->rx_ring[i].irq = vect;
+ j++;
+ }
+ } else {
+ /* For single vector all rings have an irq
+ * of zero.
+ */
+ for (i = 0; i < qdev->rx_ring_count; i++)
+ qdev->rx_ring[i].irq = 0;
+ }
+}
+
+/* Set the interrupt mask for this vector. Each vector
+ * will service 1 RSS ring and 1 or more TX completion
+ * rings. This function sets up a bit mask per vector
+ * that indicates which rings it services.
+ */
+static void ql_set_irq_mask(struct ql_adapter *qdev, struct intr_context *ctx)
+{
+ int j, vect = ctx->intr;
+ u32 tx_rings_per_vector = qdev->tx_ring_count / qdev->intr_count;
+
+ if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags))) {
+ /* Add the RSS ring serviced by this vector
+ * to the mask.
+ */
+ ctx->irq_mask = (1 << qdev->rx_ring[vect].cq_id);
+ /* Add the TX ring(s) serviced by this vector
+ * to the mask. */
+ for (j = 0; j < tx_rings_per_vector; j++) {
+ ctx->irq_mask |=
+ (1 << qdev->rx_ring[qdev->rss_ring_count +
+ (vect * tx_rings_per_vector) + j].cq_id);
+ }
+ } else {
+ /* For single vector we just shift each queue's
+ * ID into the mask.
+ */
+ for (j = 0; j < qdev->rx_ring_count; j++)
+ ctx->irq_mask |= (1 << qdev->rx_ring[j].cq_id);
+ }
+}
+
/*
* Here we build the intr_context structures based on
* our rx_ring count and intr vector count.
int i = 0;
struct intr_context *intr_context = &qdev->intr_context[0];
- ql_enable_msix(qdev);
-
if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags))) {
/* Each rx_ring has it's
* own intr_context since we have separate
* vectors for each queue.
- * This only true when MSI-X is enabled.
*/
for (i = 0; i < qdev->intr_count; i++, intr_context++) {
qdev->rx_ring[i].irq = i;
intr_context->intr = i;
intr_context->qdev = qdev;
+ /* Set up this vector's bit-mask that indicates
+ * which queues it services.
+ */
+ ql_set_irq_mask(qdev, intr_context);
/*
* We set up each vectors enable/disable/read bits so
* there's no bit/mask calculations in the critical path.
INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK |
INTR_EN_TYPE_READ | INTR_EN_IHD_MASK | INTR_EN_IHD |
i;
-
if (i == 0) {
- /*
- * Default queue handles bcast/mcast plus
- * async events. Needs buffers.
+ /* The first vector/queue handles
+ * broadcast/multicast, fatal errors,
+ * and firmware events. This in addition
+ * to normal inbound NAPI processing.
*/
intr_context->handler = qlge_isr;
- sprintf(intr_context->name, "%s-default-queue",
- qdev->ndev->name);
- } else if (i < qdev->rss_ring_first_cq_id) {
- /*
- * Outbound queue is for outbound completions only.
- */
- intr_context->handler = qlge_msix_tx_isr;
- sprintf(intr_context->name, "%s-tx-%d",
+ sprintf(intr_context->name, "%s-rx-%d",
qdev->ndev->name, i);
} else {
/*
*/
intr_context->handler = qlge_isr;
sprintf(intr_context->name, "%s-single_irq", qdev->ndev->name);
- for (i = 0; i < qdev->rx_ring_count; i++)
- qdev->rx_ring[i].irq = 0;
+ /* Set up this vector's bit-mask that indicates
+ * which queues it services. In this case there is
+ * a single vector so it will service all RSS and
+ * TX completion rings.
+ */
+ ql_set_irq_mask(qdev, intr_context);
}
+ /* Tell the TX completion rings which MSIx vector
+ * they will be using.
+ */
+ ql_set_tx_vect(qdev);
}
static void ql_free_irq(struct ql_adapter *qdev)
static int ql_start_rss(struct ql_adapter *qdev)
{
+ u8 init_hash_seed[] = {0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
+ 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f,
+ 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b,
+ 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80,
+ 0x30, 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b,
+ 0xbe, 0xac, 0x01, 0xfa};
struct ricb *ricb = &qdev->ricb;
int status = 0;
int i;
u8 *hash_id = (u8 *) ricb->hash_cq_id;
- memset((void *)ricb, 0, sizeof(ricb));
+ memset((void *)ricb, 0, sizeof(*ricb));
- ricb->base_cq = qdev->rss_ring_first_cq_id | RSS_L4K;
+ ricb->base_cq = RSS_L4K;
ricb->flags =
- (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RI4 | RSS_RI6 | RSS_RT4 |
- RSS_RT6);
- ricb->mask = cpu_to_le16(qdev->rss_ring_count - 1);
+ (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RT4 | RSS_RT6);
+ ricb->mask = cpu_to_le16((u16)(0x3ff));
/*
* Fill out the Indirection Table.
*/
- for (i = 0; i < 256; i++)
- hash_id[i] = i & (qdev->rss_ring_count - 1);
+ for (i = 0; i < 1024; i++)
+ hash_id[i] = (i & (qdev->rss_ring_count - 1));
- /*
- * Random values for the IPv6 and IPv4 Hash Keys.
- */
- get_random_bytes((void *)&ricb->ipv6_hash_key[0], 40);
- get_random_bytes((void *)&ricb->ipv4_hash_key[0], 16);
+ memcpy((void *)&ricb->ipv6_hash_key[0], init_hash_seed, 40);
+ memcpy((void *)&ricb->ipv4_hash_key[0], init_hash_seed, 16);
QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n");
- status = ql_write_cfg(qdev, ricb, sizeof(ricb), CFG_LR, 0);
+ status = ql_write_cfg(qdev, ricb, sizeof(*ricb), CFG_LR, 0);
if (status) {
QPRINTK(qdev, IFUP, ERR, "Failed to load RICB.\n");
return status;
return status;
}
-/* Initialize the frame-to-queue routing. */
-static int ql_route_initialize(struct ql_adapter *qdev)
+static int ql_clear_routing_entries(struct ql_adapter *qdev)
{
- int status = 0;
- int i;
+ int i, status = 0;
status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
return status;
-
/* Clear all the entries in the routing table. */
for (i = 0; i < 16; i++) {
status = ql_set_routing_reg(qdev, i, 0, 0);
if (status) {
QPRINTK(qdev, IFUP, ERR,
- "Failed to init routing register for CAM packets.\n");
- goto exit;
+ "Failed to init routing register for CAM "
+ "packets.\n");
+ break;
}
}
-
+ ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
+ return status;
+}
+
+/* Initialize the frame-to-queue routing. */
+static int ql_route_initialize(struct ql_adapter *qdev)
+{
+ int status = 0;
+
+ /* Clear all the entries in the routing table. */
+ status = ql_clear_routing_entries(qdev);
+ if (status)
+ return status;
+
+ status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
+ if (status)
+ return status;
+
status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1);
if (status) {
QPRINTK(qdev, IFUP, ERR,
return status;
}
-static int ql_cam_route_initialize(struct ql_adapter *qdev)
+int ql_cam_route_initialize(struct ql_adapter *qdev)
{
- int status;
+ int status, set;
- status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
- if (status)
- return status;
- status = ql_set_mac_addr_reg(qdev, (u8 *) qdev->ndev->perm_addr,
- MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ);
- ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
+ /* If check if the link is up and use to
+ * determine if we are setting or clearing
+ * the MAC address in the CAM.
+ */
+ set = ql_read32(qdev, STS);
+ set &= qdev->port_link_up;
+ status = ql_set_mac_addr(qdev, set);
if (status) {
QPRINTK(qdev, IFUP, ERR, "Failed to init mac address.\n");
return status;
mask = value << 16;
ql_write32(qdev, SYS, mask | value);
- /* Set the default queue. */
- value = NIC_RCV_CFG_DFQ;
- mask = NIC_RCV_CFG_DFQ_MASK;
+ /* Set the default queue, and VLAN behavior. */
+ value = NIC_RCV_CFG_DFQ | NIC_RCV_CFG_RV;
+ mask = NIC_RCV_CFG_DFQ_MASK | (NIC_RCV_CFG_RV << 16);
ql_write32(qdev, NIC_RCV_CFG, (mask | value));
/* Set the MPI interrupt to enabled. */
ql_write32(qdev, FSC, mask | value);
ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP |
- min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE));
+ min(SMALL_BUF_MAP_SIZE, MAX_SPLIT_SIZE));
+
+ /* Set RX packet routing to use port/pci function on which the
+ * packet arrived on in addition to usual frame routing.
+ * This is helpful on bonding where both interfaces can have
+ * the same MAC address.
+ */
+ ql_write32(qdev, RST_FO, RST_FO_RR_MASK | RST_FO_RR_RCV_FUNC_CQ);
+ /* Reroute all packets to our Interface.
+ * They may have been routed to MPI firmware
+ * due to WOL.
+ */
+ value = ql_read32(qdev, MGMT_RCV_CFG);
+ value &= ~MGMT_RCV_CFG_RM;
+ mask = 0xffff0000;
+
+ /* Sticky reg needs clearing due to WOL. */
+ ql_write32(qdev, MGMT_RCV_CFG, mask);
+ ql_write32(qdev, MGMT_RCV_CFG, mask | value);
+
+ /* Default WOL is enable on Mezz cards */
+ if (qdev->pdev->subsystem_device == 0x0068 ||
+ qdev->pdev->subsystem_device == 0x0180)
+ qdev->wol = WAKE_MAGIC;
/* Start up the rx queues. */
for (i = 0; i < qdev->rx_ring_count; i++) {
/* Initialize the port and set the max framesize. */
status = qdev->nic_ops->port_initialize(qdev);
- if (status) {
- QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n");
- return status;
- }
+ if (status)
+ QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n");
/* Set up the MAC address and frame routing filter. */
status = ql_cam_route_initialize(qdev);
}
/* Start NAPI for the RSS queues. */
- for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++) {
+ for (i = 0; i < qdev->rss_ring_count; i++) {
QPRINTK(qdev, IFUP, DEBUG, "Enabling NAPI for rx_ring[%d].\n",
i);
napi_enable(&qdev->rx_ring[i].napi);
static int ql_adapter_reset(struct ql_adapter *qdev)
{
u32 value;
- int max_wait_time;
int status = 0;
- int resetCnt = 0;
+ unsigned long end_jiffies;
+
+ /* Clear all the entries in the routing table. */
+ status = ql_clear_routing_entries(qdev);
+ if (status) {
+ QPRINTK(qdev, IFUP, ERR, "Failed to clear routing bits.\n");
+ return status;
+ }
+
+ end_jiffies = jiffies +
+ max((unsigned long)1, usecs_to_jiffies(30));
+
+ /* Stop management traffic. */
+ ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_STOP);
+
+ /* Wait for the NIC and MGMNT FIFOs to empty. */
+ ql_wait_fifo_empty(qdev);
-#define MAX_RESET_CNT 1
-issueReset:
- resetCnt++;
- QPRINTK(qdev, IFDOWN, DEBUG, "Issue soft reset to chip.\n");
ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR);
- /* Wait for reset to complete. */
- max_wait_time = 3;
- QPRINTK(qdev, IFDOWN, DEBUG, "Wait %d seconds for reset to complete.\n",
- max_wait_time);
+
do {
value = ql_read32(qdev, RST_FO);
if ((value & RST_FO_FR) == 0)
break;
+ cpu_relax();
+ } while (time_before(jiffies, end_jiffies));
- ssleep(1);
- } while ((--max_wait_time));
if (value & RST_FO_FR) {
QPRINTK(qdev, IFDOWN, ERR,
- "Stuck in SoftReset: FSC_SR:0x%08x\n", value);
- if (resetCnt < MAX_RESET_CNT)
- goto issueReset;
- }
- if (max_wait_time == 0) {
+ "ETIMEDOUT!!! errored out of resetting the chip!\n");
status = -ETIMEDOUT;
- QPRINTK(qdev, IFDOWN, ERR,
- "ETIMEOUT!!! errored out of resetting the chip!\n");
}
+ /* Resume management traffic. */
+ ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_RESUME);
return status;
}
struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev);
QPRINTK(qdev, PROBE, INFO,
- "Function #%d, NIC Roll %d, NIC Rev = %d, "
+ "Function #%d, Port %d, NIC Roll %d, NIC Rev = %d, "
"XG Roll = %d, XG Rev = %d.\n",
qdev->func,
+ qdev->port,
qdev->chip_rev_id & 0x0000000f,
qdev->chip_rev_id >> 4 & 0x0000000f,
qdev->chip_rev_id >> 8 & 0x0000000f,
QPRINTK(qdev, PROBE, INFO, "MAC address %pM\n", ndev->dev_addr);
}
+int ql_wol(struct ql_adapter *qdev)
+{
+ int status = 0;
+ u32 wol = MB_WOL_DISABLE;
+
+ /* The CAM is still intact after a reset, but if we
+ * are doing WOL, then we may need to program the
+ * routing regs. We would also need to issue the mailbox
+ * commands to instruct the MPI what to do per the ethtool
+ * settings.
+ */
+
+ if (qdev->wol & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_PHY | WAKE_UCAST |
+ WAKE_MCAST | WAKE_BCAST)) {
+ QPRINTK(qdev, IFDOWN, ERR,
+ "Unsupported WOL paramter. qdev->wol = 0x%x.\n",
+ qdev->wol);
+ return -EINVAL;
+ }
+
+ if (qdev->wol & WAKE_MAGIC) {
+ status = ql_mb_wol_set_magic(qdev, 1);
+ if (status) {
+ QPRINTK(qdev, IFDOWN, ERR,
+ "Failed to set magic packet on %s.\n",
+ qdev->ndev->name);
+ return status;
+ } else
+ QPRINTK(qdev, DRV, INFO,
+ "Enabled magic packet successfully on %s.\n",
+ qdev->ndev->name);
+
+ wol |= MB_WOL_MAGIC_PKT;
+ }
+
+ if (qdev->wol) {
+ wol |= MB_WOL_MODE_ON;
+ status = ql_mb_wol_mode(qdev, wol);
+ QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
+ (status == 0) ? "Sucessfully set" : "Failed", wol,
+ qdev->ndev->name);
+ }
+
+ return status;
+}
+
static int ql_adapter_down(struct ql_adapter *qdev)
{
- struct net_device *ndev = qdev->ndev;
int i, status = 0;
- struct rx_ring *rx_ring;
- netif_stop_queue(ndev);
- netif_carrier_off(ndev);
+ ql_link_off(qdev);
/* Don't kill the reset worker thread if we
* are in the process of recovery.
cancel_delayed_work_sync(&qdev->asic_reset_work);
cancel_delayed_work_sync(&qdev->mpi_reset_work);
cancel_delayed_work_sync(&qdev->mpi_work);
+ cancel_delayed_work_sync(&qdev->mpi_idc_work);
cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
- /* The default queue at index 0 is always processed in
- * a workqueue.
- */
- cancel_delayed_work_sync(&qdev->rx_ring[0].rx_work);
-
- /* The rest of the rx_rings are processed in
- * a workqueue only if it's a single interrupt
- * environment (MSI/Legacy).
- */
- for (i = 1; i < qdev->rx_ring_count; i++) {
- rx_ring = &qdev->rx_ring[i];
- /* Only the RSS rings use NAPI on multi irq
- * environment. Outbound completion processing
- * is done in interrupt context.
- */
- if (i >= qdev->rss_ring_first_cq_id) {
- napi_disable(&rx_ring->napi);
- } else {
- cancel_delayed_work_sync(&rx_ring->rx_work);
- }
- }
+ for (i = 0; i < qdev->rss_ring_count; i++)
+ napi_disable(&qdev->rx_ring[i].napi);
clear_bit(QL_ADAPTER_UP, &qdev->flags);
ql_tx_ring_clean(qdev);
+ /* Call netif_napi_del() from common point.
+ */
+ for (i = 0; i < qdev->rss_ring_count; i++)
+ netif_napi_del(&qdev->rx_ring[i].napi);
+
ql_free_rx_buffers(qdev);
- spin_lock(&qdev->hw_lock);
+
status = ql_adapter_reset(qdev);
if (status)
QPRINTK(qdev, IFDOWN, ERR, "reset(func #%d) FAILED!\n",
qdev->func);
- spin_unlock(&qdev->hw_lock);
return status;
}
{
int err = 0;
- spin_lock(&qdev->hw_lock);
err = ql_adapter_initialize(qdev);
if (err) {
QPRINTK(qdev, IFUP, INFO, "Unable to initialize adapter.\n");
- spin_unlock(&qdev->hw_lock);
goto err_init;
}
- spin_unlock(&qdev->hw_lock);
set_bit(QL_ADAPTER_UP, &qdev->flags);
ql_alloc_rx_buffers(qdev);
+ /* If the port is initialized and the
+ * link is up the turn on the carrier.
+ */
+ if ((ql_read32(qdev, STS) & qdev->port_init) &&
+ (ql_read32(qdev, STS) & qdev->port_link_up))
+ ql_link_on(qdev);
ql_enable_interrupts(qdev);
ql_enable_all_completion_interrupts(qdev);
- if ((ql_read32(qdev, STS) & qdev->port_init)) {
- netif_carrier_on(qdev->ndev);
- netif_start_queue(qdev->ndev);
- }
+ netif_tx_start_all_queues(qdev->ndev);
return 0;
err_init:
return err;
}
-static int ql_cycle_adapter(struct ql_adapter *qdev)
-{
- int status;
-
- status = ql_adapter_down(qdev);
- if (status)
- goto error;
-
- status = ql_adapter_up(qdev);
- if (status)
- goto error;
-
- return status;
-error:
- QPRINTK(qdev, IFUP, ALERT,
- "Driver up/down cycle failed, closing device\n");
- rtnl_lock();
- dev_close(qdev->ndev);
- rtnl_unlock();
- return status;
-}
-
static void ql_release_adapter_resources(struct ql_adapter *qdev)
{
ql_free_mem_resources(qdev);
return -ENOMEM;
}
status = ql_request_irq(qdev);
- if (status)
- goto err_irq;
- return status;
-err_irq:
- ql_free_mem_resources(qdev);
return status;
}
int i;
struct rx_ring *rx_ring;
struct tx_ring *tx_ring;
- int cpu_cnt = num_online_cpus();
-
- /*
- * For each processor present we allocate one
- * rx_ring for outbound completions, and one
- * rx_ring for inbound completions. Plus there is
- * always the one default queue. For the CPU
- * counts we end up with the following rx_rings:
- * rx_ring count =
- * one default queue +
- * (CPU count * outbound completion rx_ring) +
- * (CPU count * inbound (RSS) completion rx_ring)
- * To keep it simple we limit the total number of
- * queues to < 32, so we truncate CPU to 8.
- * This limitation can be removed when requested.
- */
-
- if (cpu_cnt > MAX_CPUS)
- cpu_cnt = MAX_CPUS;
-
- /*
- * rx_ring[0] is always the default queue.
+ int cpu_cnt = min(MAX_CPUS, (int)num_online_cpus());
+ unsigned int lbq_buf_len = (qdev->ndev->mtu > 1500) ?
+ LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE;
+
+ qdev->lbq_buf_order = get_order(lbq_buf_len);
+
+ /* In a perfect world we have one RSS ring for each CPU
+ * and each has it's own vector. To do that we ask for
+ * cpu_cnt vectors. ql_enable_msix() will adjust the
+ * vector count to what we actually get. We then
+ * allocate an RSS ring for each.
+ * Essentially, we are doing min(cpu_count, msix_vector_count).
*/
- /* Allocate outbound completion ring for each CPU. */
+ qdev->intr_count = cpu_cnt;
+ ql_enable_msix(qdev);
+ /* Adjust the RSS ring count to the actual vector count. */
+ qdev->rss_ring_count = qdev->intr_count;
qdev->tx_ring_count = cpu_cnt;
- /* Allocate inbound completion (RSS) ring for each CPU. */
- qdev->rss_ring_count = cpu_cnt;
- /* cq_id for the first inbound ring handler. */
- qdev->rss_ring_first_cq_id = cpu_cnt + 1;
- /*
- * qdev->rx_ring_count:
- * Total number of rx_rings. This includes the one
- * default queue, a number of outbound completion
- * handler rx_rings, and the number of inbound
- * completion handler rx_rings.
- */
- qdev->rx_ring_count = qdev->tx_ring_count + qdev->rss_ring_count + 1;
+ qdev->rx_ring_count = qdev->tx_ring_count + qdev->rss_ring_count;
for (i = 0; i < qdev->tx_ring_count; i++) {
tx_ring = &qdev->tx_ring[i];
- memset((void *)tx_ring, 0, sizeof(tx_ring));
+ memset((void *)tx_ring, 0, sizeof(*tx_ring));
tx_ring->qdev = qdev;
tx_ring->wq_id = i;
tx_ring->wq_len = qdev->tx_ring_size;
/*
* The completion queue ID for the tx rings start
- * immediately after the default Q ID, which is zero.
+ * immediately after the rss rings.
*/
- tx_ring->cq_id = i + 1;
+ tx_ring->cq_id = qdev->rss_ring_count + i;
}
for (i = 0; i < qdev->rx_ring_count; i++) {
rx_ring = &qdev->rx_ring[i];
- memset((void *)rx_ring, 0, sizeof(rx_ring));
+ memset((void *)rx_ring, 0, sizeof(*rx_ring));
rx_ring->qdev = qdev;
rx_ring->cq_id = i;
rx_ring->cpu = i % cpu_cnt; /* CPU to run handler on. */
- if (i == 0) { /* Default queue at index 0. */
+ if (i < qdev->rss_ring_count) {
/*
- * Default queue handles bcast/mcast plus
- * async events. Needs buffers.
+ * Inbound (RSS) queues.
*/
rx_ring->cq_len = qdev->rx_ring_size;
rx_ring->cq_size =
rx_ring->lbq_len = NUM_LARGE_BUFFERS;
rx_ring->lbq_size =
rx_ring->lbq_len * sizeof(__le64);
- rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
+ rx_ring->lbq_buf_size = (u16)lbq_buf_len;
+ QPRINTK(qdev, IFUP, DEBUG,
+ "lbq_buf_size %d, order = %d\n",
+ rx_ring->lbq_buf_size, qdev->lbq_buf_order);
rx_ring->sbq_len = NUM_SMALL_BUFFERS;
rx_ring->sbq_size =
rx_ring->sbq_len * sizeof(__le64);
- rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
- rx_ring->type = DEFAULT_Q;
- } else if (i < qdev->rss_ring_first_cq_id) {
+ rx_ring->sbq_buf_size = SMALL_BUF_MAP_SIZE;
+ rx_ring->type = RX_Q;
+ } else {
/*
* Outbound queue handles outbound completions only.
*/
rx_ring->sbq_size = 0;
rx_ring->sbq_buf_size = 0;
rx_ring->type = TX_Q;
- } else { /* Inbound completions (RSS) queues */
- /*
- * Inbound queues handle unicast frames only.
- */
- rx_ring->cq_len = qdev->rx_ring_size;
- rx_ring->cq_size =
- rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb);
- rx_ring->lbq_len = NUM_LARGE_BUFFERS;
- rx_ring->lbq_size =
- rx_ring->lbq_len * sizeof(__le64);
- rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
- rx_ring->sbq_len = NUM_SMALL_BUFFERS;
- rx_ring->sbq_size =
- rx_ring->sbq_len * sizeof(__le64);
- rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
- rx_ring->type = RX_Q;
}
}
return 0;
return err;
}
+static int ql_change_rx_buffers(struct ql_adapter *qdev)
+{
+ struct rx_ring *rx_ring;
+ int i, status;
+ u32 lbq_buf_len;
+
+ /* Wait for an oustanding reset to complete. */
+ if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) {
+ int i = 3;
+ while (i-- && !test_bit(QL_ADAPTER_UP, &qdev->flags)) {
+ QPRINTK(qdev, IFUP, ERR,
+ "Waiting for adapter UP...\n");
+ ssleep(1);
+ }
+
+ if (!i) {
+ QPRINTK(qdev, IFUP, ERR,
+ "Timed out waiting for adapter UP\n");
+ return -ETIMEDOUT;
+ }
+ }
+
+ status = ql_adapter_down(qdev);
+ if (status)
+ goto error;
+
+ /* Get the new rx buffer size. */
+ lbq_buf_len = (qdev->ndev->mtu > 1500) ?
+ LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE;
+ qdev->lbq_buf_order = get_order(lbq_buf_len);
+
+ for (i = 0; i < qdev->rss_ring_count; i++) {
+ rx_ring = &qdev->rx_ring[i];
+ /* Set the new size. */
+ rx_ring->lbq_buf_size = lbq_buf_len;
+ }
+
+ status = ql_adapter_up(qdev);
+ if (status)
+ goto error;
+
+ return status;
+error:
+ QPRINTK(qdev, IFUP, ALERT,
+ "Driver up/down cycle failed, closing device.\n");
+ set_bit(QL_ADAPTER_UP, &qdev->flags);
+ dev_close(qdev->ndev);
+ return status;
+}
+
static int qlge_change_mtu(struct net_device *ndev, int new_mtu)
{
struct ql_adapter *qdev = netdev_priv(ndev);
+ int status;
if (ndev->mtu == 1500 && new_mtu == 9000) {
QPRINTK(qdev, IFUP, ERR, "Changing to jumbo MTU.\n");
- queue_delayed_work(qdev->workqueue,
- &qdev->mpi_port_cfg_work, 0);
} else if (ndev->mtu == 9000 && new_mtu == 1500) {
QPRINTK(qdev, IFUP, ERR, "Changing to normal MTU.\n");
} else if ((ndev->mtu == 1500 && new_mtu == 1500) ||
return 0;
} else
return -EINVAL;
+
+ queue_delayed_work(qdev->workqueue,
+ &qdev->mpi_port_cfg_work, 3*HZ);
+
+ if (!netif_running(qdev->ndev)) {
+ ndev->mtu = new_mtu;
+ return 0;
+ }
+
ndev->mtu = new_mtu;
- return 0;
+ status = ql_change_rx_buffers(qdev);
+ if (status) {
+ QPRINTK(qdev, IFUP, ERR,
+ "Changing MTU failed.\n");
+ }
+
+ return status;
}
static struct net_device_stats *qlge_get_stats(struct net_device
*ndev)
{
struct ql_adapter *qdev = netdev_priv(ndev);
- return &qdev->stats;
+ struct rx_ring *rx_ring = &qdev->rx_ring[0];
+ struct tx_ring *tx_ring = &qdev->tx_ring[0];
+ unsigned long pkts, mcast, dropped, errors, bytes;
+ int i;
+
+ /* Get RX stats. */
+ pkts = mcast = dropped = errors = bytes = 0;
+ for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
+ pkts += rx_ring->rx_packets;
+ bytes += rx_ring->rx_bytes;
+ dropped += rx_ring->rx_dropped;
+ errors += rx_ring->rx_errors;
+ mcast += rx_ring->rx_multicast;
+ }
+ ndev->stats.rx_packets = pkts;
+ ndev->stats.rx_bytes = bytes;
+ ndev->stats.rx_dropped = dropped;
+ ndev->stats.rx_errors = errors;
+ ndev->stats.multicast = mcast;
+
+ /* Get TX stats. */
+ pkts = errors = bytes = 0;
+ for (i = 0; i < qdev->tx_ring_count; i++, tx_ring++) {
+ pkts += tx_ring->tx_packets;
+ bytes += tx_ring->tx_bytes;
+ errors += tx_ring->tx_errors;
+ }
+ ndev->stats.tx_packets = pkts;
+ ndev->stats.tx_bytes = bytes;
+ ndev->stats.tx_errors = errors;
+ return &ndev->stats;
}
static void qlge_set_multicast_list(struct net_device *ndev)
status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
return;
- spin_lock(&qdev->hw_lock);
/*
* Set or clear promiscuous mode if a
* transition is taking place.
}
}
exit:
- spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
}
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
return status;
- spin_lock(&qdev->hw_lock);
status = ql_set_mac_addr_reg(qdev, (u8 *) ndev->dev_addr,
MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ);
- spin_unlock(&qdev->hw_lock);
if (status)
QPRINTK(qdev, HW, ERR, "Failed to load MAC address.\n");
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
{
struct ql_adapter *qdev =
container_of(work, struct ql_adapter, asic_reset_work.work);
- ql_cycle_adapter(qdev);
+ int status;
+ rtnl_lock();
+ status = ql_adapter_down(qdev);
+ if (status)
+ goto error;
+
+ status = ql_adapter_up(qdev);
+ if (status)
+ goto error;
+
+ /* Restore rx mode. */
+ clear_bit(QL_ALLMULTI, &qdev->flags);
+ clear_bit(QL_PROMISCUOUS, &qdev->flags);
+ qlge_set_multicast_list(qdev->ndev);
+
+ rtnl_unlock();
+ return;
+error:
+ QPRINTK(qdev, IFUP, ALERT,
+ "Driver up/down cycle failed, closing device\n");
+
+ set_bit(QL_ADAPTER_UP, &qdev->flags);
+ dev_close(qdev->ndev);
+ rtnl_unlock();
}
static struct nic_operations qla8012_nic_ops = {
.port_initialize = ql_8000_port_initialize,
};
+/* Find the pcie function number for the other NIC
+ * on this chip. Since both NIC functions share a
+ * common firmware we have the lowest enabled function
+ * do any common work. Examples would be resetting
+ * after a fatal firmware error, or doing a firmware
+ * coredump.
+ */
+static int ql_get_alt_pcie_func(struct ql_adapter *qdev)
+{
+ int status = 0;
+ u32 temp;
+ u32 nic_func1, nic_func2;
+
+ status = ql_read_mpi_reg(qdev, MPI_TEST_FUNC_PORT_CFG,
+ &temp);
+ if (status)
+ return status;
+
+ nic_func1 = ((temp >> MPI_TEST_NIC1_FUNC_SHIFT) &
+ MPI_TEST_NIC_FUNC_MASK);
+ nic_func2 = ((temp >> MPI_TEST_NIC2_FUNC_SHIFT) &
+ MPI_TEST_NIC_FUNC_MASK);
+
+ if (qdev->func == nic_func1)
+ qdev->alt_func = nic_func2;
+ else if (qdev->func == nic_func2)
+ qdev->alt_func = nic_func1;
+ else
+ status = -EIO;
+
+ return status;
+}
-static void ql_get_board_info(struct ql_adapter *qdev)
+static int ql_get_board_info(struct ql_adapter *qdev)
{
+ int status;
qdev->func =
(ql_read32(qdev, STS) & STS_FUNC_ID_MASK) >> STS_FUNC_ID_SHIFT;
- if (qdev->func) {
+ if (qdev->func > 3)
+ return -EIO;
+
+ status = ql_get_alt_pcie_func(qdev);
+ if (status)
+ return status;
+
+ qdev->port = (qdev->func < qdev->alt_func) ? 0 : 1;
+ if (qdev->port) {
qdev->xg_sem_mask = SEM_XGMAC1_MASK;
qdev->port_link_up = STS_PL1;
qdev->port_init = STS_PI1;
qdev->nic_ops = &qla8012_nic_ops;
else if (qdev->device_id == QLGE_DEVICE_ID_8000)
qdev->nic_ops = &qla8000_nic_ops;
+ return status;
}
static void ql_release_all(struct pci_dev *pdev)
destroy_workqueue(qdev->workqueue);
qdev->workqueue = NULL;
}
- if (qdev->q_workqueue) {
- destroy_workqueue(qdev->q_workqueue);
- qdev->q_workqueue = NULL;
- }
+
if (qdev->reg_base)
iounmap(qdev->reg_base);
if (qdev->doorbell_area)
struct net_device *ndev, int cards_found)
{
struct ql_adapter *qdev = netdev_priv(ndev);
- int pos, err = 0;
- u16 val16;
+ int err = 0;
- memset((void *)qdev, 0, sizeof(qdev));
+ memset((void *)qdev, 0, sizeof(*qdev));
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "PCI device enable failed.\n");
return err;
}
- pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
- if (pos <= 0) {
- dev_err(&pdev->dev, PFX "Cannot find PCI Express capability, "
- "aborting.\n");
+ qdev->ndev = ndev;
+ qdev->pdev = pdev;
+ pci_set_drvdata(pdev, ndev);
+
+ /* Set PCIe read request size */
+ err = pcie_set_readrq(pdev, 4096);
+ if (err) {
+ dev_err(&pdev->dev, "Set readrq failed.\n");
goto err_out;
- } else {
- pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16);
- val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN;
- val16 |= (PCI_EXP_DEVCTL_CERE |
- PCI_EXP_DEVCTL_NFERE |
- PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE);
- pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16);
}
err = pci_request_regions(pdev, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "PCI region request failed.\n");
- goto err_out;
+ return err;
}
pci_set_master(pdev);
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
set_bit(QL_DMA64, &qdev->flags);
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
} else {
- err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (!err)
- err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
}
if (err) {
goto err_out;
}
- pci_set_drvdata(pdev, ndev);
+ /* Set PCIe reset type for EEH to fundamental. */
+ pdev->needs_freset = 1;
+ pci_save_state(pdev);
qdev->reg_base =
ioremap_nocache(pci_resource_start(pdev, 1),
pci_resource_len(pdev, 1));
goto err_out;
}
- qdev->ndev = ndev;
- qdev->pdev = pdev;
- ql_get_board_info(qdev);
+ err = ql_get_board_info(qdev);
+ if (err) {
+ dev_err(&pdev->dev, "Register access failed.\n");
+ err = -EIO;
+ goto err_out;
+ }
qdev->msg_enable = netif_msg_init(debug, default_msg);
spin_lock_init(&qdev->hw_lock);
spin_lock_init(&qdev->stats_lock);
* Set up the operating parameters.
*/
qdev->rx_csum = 1;
-
- qdev->q_workqueue = create_workqueue(ndev->name);
qdev->workqueue = create_singlethread_workqueue(ndev->name);
INIT_DELAYED_WORK(&qdev->asic_reset_work, ql_asic_reset_work);
INIT_DELAYED_WORK(&qdev->mpi_reset_work, ql_mpi_reset_work);
INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work);
INIT_DELAYED_WORK(&qdev->mpi_port_cfg_work, ql_mpi_port_cfg_work);
- mutex_init(&qdev->mpi_mutex);
+ INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work);
init_completion(&qdev->ide_completion);
if (!cards_found) {
return err;
}
-
static const struct net_device_ops qlge_netdev_ops = {
.ndo_open = qlge_open,
.ndo_stop = qlge_close,
.ndo_set_mac_address = qlge_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_tx_timeout = qlge_tx_timeout,
- .ndo_vlan_rx_register = ql_vlan_rx_register,
- .ndo_vlan_rx_add_vid = ql_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = ql_vlan_rx_kill_vid,
+ .ndo_vlan_rx_register = qlge_vlan_rx_register,
+ .ndo_vlan_rx_add_vid = qlge_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = qlge_vlan_rx_kill_vid,
};
static int __devinit qlge_probe(struct pci_dev *pdev,
static int cards_found = 0;
int err = 0;
- ndev = alloc_etherdev(sizeof(struct ql_adapter));
+ ndev = alloc_etherdev_mq(sizeof(struct ql_adapter),
+ min(MAX_CPUS, (int)num_online_cpus()));
if (!ndev)
return -ENOMEM;
| NETIF_F_TSO_ECN
| NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER);
+ ndev->features |= NETIF_F_GRO;
if (test_bit(QL_DMA64, &qdev->flags))
ndev->features |= NETIF_F_HIGHDMA;
pci_disable_device(pdev);
return err;
}
- netif_carrier_off(ndev);
- netif_stop_queue(ndev);
+ ql_link_off(qdev);
ql_display_dev_info(ndev);
+ atomic_set(&qdev->lb_count, 0);
cards_found++;
return 0;
}
+netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev)
+{
+ return qlge_send(skb, ndev);
+}
+
+int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget)
+{
+ return ql_clean_inbound_rx_ring(rx_ring, budget);
+}
+
static void __devexit qlge_remove(struct pci_dev *pdev)
{
struct net_device *ndev = pci_get_drvdata(pdev);
free_netdev(ndev);
}
+/* Clean up resources without touching hardware. */
+static void ql_eeh_close(struct net_device *ndev)
+{
+ int i;
+ struct ql_adapter *qdev = netdev_priv(ndev);
+
+ if (netif_carrier_ok(ndev)) {
+ netif_carrier_off(ndev);
+ netif_stop_queue(ndev);
+ }
+
+ if (test_bit(QL_ADAPTER_UP, &qdev->flags))
+ cancel_delayed_work_sync(&qdev->asic_reset_work);
+ cancel_delayed_work_sync(&qdev->mpi_reset_work);
+ cancel_delayed_work_sync(&qdev->mpi_work);
+ cancel_delayed_work_sync(&qdev->mpi_idc_work);
+ cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
+
+ for (i = 0; i < qdev->rss_ring_count; i++)
+ netif_napi_del(&qdev->rx_ring[i].napi);
+
+ clear_bit(QL_ADAPTER_UP, &qdev->flags);
+ ql_tx_ring_clean(qdev);
+ ql_free_rx_buffers(qdev);
+ ql_release_adapter_resources(qdev);
+}
+
/*
* This callback is called by the PCI subsystem whenever
* a PCI bus error is detected.
enum pci_channel_state state)
{
struct net_device *ndev = pci_get_drvdata(pdev);
- struct ql_adapter *qdev = netdev_priv(ndev);
- if (netif_running(ndev))
- ql_adapter_down(qdev);
-
- pci_disable_device(pdev);
+ switch (state) {
+ case pci_channel_io_normal:
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ netif_device_detach(ndev);
+ if (netif_running(ndev))
+ ql_eeh_close(ndev);
+ pci_disable_device(pdev);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ dev_err(&pdev->dev,
+ "%s: pci_channel_io_perm_failure.\n", __func__);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
/* Request a slot reset. */
return PCI_ERS_RESULT_NEED_RESET;
struct net_device *ndev = pci_get_drvdata(pdev);
struct ql_adapter *qdev = netdev_priv(ndev);
+ pdev->error_state = pci_channel_io_normal;
+
+ pci_restore_state(pdev);
if (pci_enable_device(pdev)) {
QPRINTK(qdev, IFUP, ERR,
"Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
-
pci_set_master(pdev);
-
- netif_carrier_off(ndev);
- netif_stop_queue(ndev);
- ql_adapter_reset(qdev);
-
- /* Make sure the EEPROM is good */
- memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
-
- if (!is_valid_ether_addr(ndev->perm_addr)) {
- QPRINTK(qdev, IFUP, ERR, "After reset, invalid MAC address.\n");
- return PCI_ERS_RESULT_DISCONNECT;
- }
-
return PCI_ERS_RESULT_RECOVERED;
}
{
struct net_device *ndev = pci_get_drvdata(pdev);
struct ql_adapter *qdev = netdev_priv(ndev);
+ int err = 0;
- pci_set_master(pdev);
-
+ if (ql_adapter_reset(qdev))
+ QPRINTK(qdev, DRV, ERR, "reset FAILED!\n");
if (netif_running(ndev)) {
- if (ql_adapter_up(qdev)) {
+ err = qlge_open(ndev);
+ if (err) {
QPRINTK(qdev, IFUP, ERR,
"Device initialization failed after reset.\n");
return;
}
+ } else {
+ QPRINTK(qdev, IFUP, ERR,
+ "Device was not running prior to EEH.\n");
}
-
netif_device_attach(ndev);
}
{
struct net_device *ndev = pci_get_drvdata(pdev);
struct ql_adapter *qdev = netdev_priv(ndev);
- int err, i;
+ int err;
netif_device_detach(ndev);
return err;
}
- for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++)
- netif_napi_del(&qdev->rx_ring[i].napi);
-
+ ql_wol(qdev);
err = pci_save_state(pdev);
if (err)
return err;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff