#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/if_vlan.h>
+#include <linux/inet_lro.h>
#include "nes.h"
-u32 crit_err_count = 0;
+static u32 crit_err_count;
u32 int_mod_timer_init;
u32 int_mod_cq_depth_256;
u32 int_mod_cq_depth_128;
#include "nes_cm.h"
+static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq);
+static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count);
+static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
+ u8 OneG_Mode);
+static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq);
+static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq);
+static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq);
+static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
+ struct nes_hw_aeqe *aeqe);
+static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number);
+static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode);
#ifdef CONFIG_INFINIBAND_NES_DEBUG
static unsigned char *nes_iwarp_state_str[] = {
spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags);
- if (shared_timer->cq_count_old < cq_count) {
- if (cq_count > shared_timer->threshold_low)
- shared_timer->cq_direction_downward=0;
- }
- if (shared_timer->cq_count_old >= cq_count)
+ if (shared_timer->cq_count_old <= cq_count)
+ shared_timer->cq_direction_downward = 0;
+ else
shared_timer->cq_direction_downward++;
shared_timer->cq_count_old = cq_count;
if (shared_timer->cq_direction_downward > NES_NIC_CQ_DOWNWARD_TREND) {
- if (cq_count <= shared_timer->threshold_low) {
+ if (cq_count <= shared_timer->threshold_low &&
+ shared_timer->threshold_low > 4) {
shared_timer->threshold_low = shared_timer->threshold_low/2;
shared_timer->cq_direction_downward=0;
nesdev->currcq_count = 0;
nesadapter->et_use_adaptive_rx_coalesce = 1;
nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC;
nesadapter->et_rx_coalesce_usecs_irq = 0;
- printk(PFX "%s: Using Adaptive Interrupt Moderation\n", __FUNCTION__);
+ printk(PFX "%s: Using Adaptive Interrupt Moderation\n", __func__);
}
/* Setup and enable the periodic timer */
if (nesadapter->et_rx_coalesce_usecs_irq)
nesadapter->base_pd = 1;
nesadapter->device_cap_flags =
- IB_DEVICE_ZERO_STAG | IB_DEVICE_SEND_W_INV | IB_DEVICE_MEM_WINDOW;
+ IB_DEVICE_ZERO_STAG | IB_DEVICE_MEM_WINDOW;
nesadapter->allocated_qps = (unsigned long *)&(((unsigned char *)nesadapter)
[(sizeof(struct nes_adapter)+(sizeof(unsigned long)-1))&(~(sizeof(unsigned long)-1))]);
if (vendor_id == 0xffff)
break;
}
- nes_debug(NES_DBG_INIT, "%s %d functions found for %s.\n", __FUNCTION__,
+ nes_debug(NES_DBG_INIT, "%s %d functions found for %s.\n", __func__,
func_index, pci_name(nesdev->pcidev));
nesadapter->adapter_fcn_count = func_index;
/**
* nes_reset_adapter_ne020
*/
-unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode)
+static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode)
{
u32 port_count;
u32 u32temp;
nes_debug(NES_DBG_INIT, "Did not see full soft reset done.\n");
return 0;
}
+
+ i = 0;
+ while ((nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS) != 0x80) && i++ < 10000)
+ mdelay(1);
+ if (i >= 10000) {
+ printk(KERN_ERR PFX "Internal CPU not ready, status = %02X\n",
+ nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS));
+ return 0;
+ }
}
/* port reset */
}
}
-
-
- i = 0;
- while ((nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS) != 0x80) && i++ < 10000)
- mdelay(1);
- if (i >= 10000) {
- printk(KERN_ERR PFX "Internal CPU not ready, status = %02X\n",
- nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS));
- return 0;
- }
-
return port_count;
}
/**
* nes_init_serdes
*/
-int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, u8 OneG_Mode)
+static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
+ u8 OneG_Mode)
{
int i;
u32 u32temp;
& 0x0000000f)) != 0x0000000f) && (i++ < 5000))
mdelay(1);
if (i >= 5000) {
- printk("%s: Init: serdes 1 not ready, status=%x\n", __FUNCTION__, u32temp);
+ printk("%s: Init: serdes 1 not ready, status=%x\n", __func__, u32temp);
/* return 1; */
}
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP1, 0x000bdef7);
* nes_init_csr_ne020
* Initialize registers for ne020 hardware
*/
-void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count)
+static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count)
{
u32 u32temp;
if (nesadapter->OneG_Mode) {
nes_debug(NES_DBG_PHY, "1G PHY, mac_index = %d.\n", mac_index);
if (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_1G) {
- printk(PFX "%s: Programming mdc config for 1G\n", __FUNCTION__);
+ printk(PFX "%s: Programming mdc config for 1G\n", __func__);
tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
tx_config |= 0x04;
nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
static void nes_rq_wqes_timeout(unsigned long parm)
{
struct nes_vnic *nesvnic = (struct nes_vnic *)parm;
- printk("%s: Timer fired.\n", __FUNCTION__);
+ printk("%s: Timer fired.\n", __func__);
atomic_set(&nesvnic->rx_skb_timer_running, 0);
if (atomic_read(&nesvnic->rx_skbs_needed))
nes_replenish_nic_rq(nesvnic);
}
+static int nes_lro_get_skb_hdr(struct sk_buff *skb, void **iphdr,
+ void **tcph, u64 *hdr_flags, void *priv)
+{
+ unsigned int ip_len;
+ struct iphdr *iph;
+ skb_reset_network_header(skb);
+ iph = ip_hdr(skb);
+ if (iph->protocol != IPPROTO_TCP)
+ return -1;
+ ip_len = ip_hdrlen(skb);
+ skb_set_transport_header(skb, ip_len);
+ *tcph = tcp_hdr(skb);
+
+ *hdr_flags = LRO_IPV4 | LRO_TCP;
+ *iphdr = iph;
+ return 0;
+}
+
+
/**
* nes_init_nic_qp
*/
nesvnic->rq_wqes_timer.function = nes_rq_wqes_timeout;
nesvnic->rq_wqes_timer.data = (unsigned long)nesvnic;
nes_debug(NES_DBG_INIT, "NAPI support Enabled\n");
-
if (nesdev->nesadapter->et_use_adaptive_rx_coalesce)
{
nes_nic_init_timer(nesdev);
if (netdev->mtu > 1500)
jumbomode = 1;
- nes_nic_init_timer_defaults(nesdev, jumbomode);
- }
-
+ nes_nic_init_timer_defaults(nesdev, jumbomode);
+ }
+ nesvnic->lro_mgr.max_aggr = NES_LRO_MAX_AGGR;
+ nesvnic->lro_mgr.max_desc = NES_MAX_LRO_DESCRIPTORS;
+ nesvnic->lro_mgr.lro_arr = nesvnic->lro_desc;
+ nesvnic->lro_mgr.get_skb_header = nes_lro_get_skb_hdr;
+ nesvnic->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID;
+ nesvnic->lro_mgr.dev = netdev;
+ nesvnic->lro_mgr.ip_summed = CHECKSUM_UNNECESSARY;
+ nesvnic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
return 0;
}
nesdev->int_req &= ~NES_INT_TIMER;
nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req));
nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req);
- nesadapter->tune_timer.timer_in_use_old = 0;
}
nesdev->deepcq_count = 0;
return 1;
nesdev->int_req &= ~NES_INT_TIMER;
nes_write32(nesdev->regs + NES_INTF_INT_MASK, ~(nesdev->intf_int_req));
nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req);
- nesdev->nesadapter->tune_timer.timer_in_use_old = 0;
} else {
nes_write32(nesdev->regs+NES_INT_MASK, 0x0000ffff|(~nesdev->int_req));
}
/**
* nes_process_ceq
*/
-void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq)
+static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq)
{
u64 u64temp;
struct nes_hw_cq *cq;
/**
* nes_process_aeq
*/
-void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq)
+static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq)
{
// u64 u64temp;
u32 head;
/**
* nes_process_mac_intr
*/
-void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
+static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
{
unsigned long flags;
u32 pcs_control_status;
temp_phy_data = phy_data;
} while (1);
nes_debug(NES_DBG_PHY, "%s: Phy data = 0x%04X, link was %s.\n",
- __FUNCTION__, phy_data, nesadapter->mac_link_down ? "DOWN" : "UP");
+ __func__, phy_data, nesadapter->mac_link_down ? "DOWN" : "UP");
} else {
phy_data = (0x0f0f0000 == (pcs_control_status & 0x0f1f0000)) ? 4 : 0;
-void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
+static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
{
struct nes_vnic *nesvnic = container_of(cq, struct nes_vnic, nic_cq);
u16 pkt_type;
u16 rqes_processed = 0;
u8 sq_cqes = 0;
+ u8 nes_use_lro = 0;
head = cq->cq_head;
cq_size = cq->cq_size;
cq->cqes_pending = 1;
+ if (nesvnic->netdev->features & NETIF_F_LRO)
+ nes_use_lro = 1;
do {
if (le32_to_cpu(cq->cq_vbase[head].cqe_words[NES_NIC_CQE_MISC_IDX]) &
NES_NIC_CQE_VALID) {
>> 16);
nes_debug(NES_DBG_CQ, "%s: Reporting stripped VLAN packet. Tag = 0x%04X\n",
nesvnic->netdev->name, vlan_tag);
- nes_vlan_rx(rx_skb, nesvnic->vlan_grp, vlan_tag);
+ if (nes_use_lro)
+ lro_vlan_hwaccel_receive_skb(&nesvnic->lro_mgr, rx_skb,
+ nesvnic->vlan_grp, vlan_tag, NULL);
+ else
+ nes_vlan_rx(rx_skb, nesvnic->vlan_grp, vlan_tag);
} else {
- nes_netif_rx(rx_skb);
+ if (nes_use_lro)
+ lro_receive_skb(&nesvnic->lro_mgr, rx_skb, NULL);
+ else
+ nes_netif_rx(rx_skb);
}
}
} while (1);
+ if (nes_use_lro)
+ lro_flush_all(&nesvnic->lro_mgr);
if (sq_cqes) {
barrier();
/* restart the queue if it had been stopped */
if (netif_queue_stopped(nesvnic->netdev))
netif_wake_queue(nesvnic->netdev);
}
-
cq->cq_head = head;
/* nes_debug(NES_DBG_CQ, "CQ%u Processed = %u cqes, new head = %u.\n",
cq->cq_number, cqe_count, cq->cq_head); */
}
if (atomic_read(&nesvnic->rx_skbs_needed))
nes_replenish_nic_rq(nesvnic);
- }
+}
/**
* nes_cqp_ce_handler
*/
-void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
+static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
{
u64 u64temp;
unsigned long flags;
/**
* nes_process_iwarp_aeqe
*/
-void nes_process_iwarp_aeqe(struct nes_device *nesdev, struct nes_hw_aeqe *aeqe)
+static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
+ struct nes_hw_aeqe *aeqe)
{
u64 context;
u64 aeqe_context = 0;
le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]));
if (resource_allocated) {
printk(KERN_ERR PFX "%s: Processing an NES_AEQE_AEID_CQ_OPERATION_ERROR event on CQ%u\n",
- __FUNCTION__, le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]));
+ __func__, le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]));
}
break;
case NES_AEQE_AEID_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
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