/* cnic.c: Broadcom CNIC core network driver.
*
- * Copyright (c) 2006-2009 Broadcom Corporation
+ * Copyright (c) 2006-2010 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
if (l5_cid >= MAX_CM_SK_TBL_SZ)
break;
+ rcu_read_lock();
+ if (!rcu_dereference(cp->ulp_ops[CNIC_ULP_L4])) {
+ rc = -ENODEV;
+ rcu_read_unlock();
+ break;
+ }
csk = &cp->csk_tbl[l5_cid];
csk_hold(csk);
if (cnic_in_use(csk)) {
cnic_cm_set_pg(csk);
}
csk_put(csk);
+ rcu_read_unlock();
rc = 0;
}
}
uinfo->mem[0].memtype = UIO_MEM_PHYS;
if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
- uinfo->mem[1].addr = (unsigned long) cp->status_blk & PAGE_MASK;
+ uinfo->mem[1].addr = (unsigned long) cp->status_blk.gen &
+ PAGE_MASK;
if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
else
if (ret)
goto error;
- cp->bnx2x_status_blk = cp->status_blk;
cp->bnx2x_def_status_blk = cp->ethdev->irq_arr[1].status_blk;
- memset(cp->bnx2x_status_blk, 0, sizeof(struct host_status_block));
+ memset(cp->status_blk.bnx2x, 0, sizeof(*cp->status_blk.bnx2x));
cp->l2_rx_ring_size = 15;
{
struct cnic_dev *dev = (struct cnic_dev *) data;
struct cnic_local *cp = dev->cnic_priv;
- struct status_block_msix *status_blk = cp->bnx2_status_blk;
+ struct status_block_msix *status_blk = cp->status_blk.bnx2;
u32 status_idx = status_blk->status_idx;
u16 hw_prod, sw_prod;
int kcqe_cnt;
if (cp->ack_int)
cp->ack_int(dev);
- prefetch(cp->status_blk);
+ prefetch(cp->status_blk.gen);
prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags)))
struct cnic_local *cp = dev->cnic_priv;
u16 hw_prod, sw_prod;
struct cstorm_status_block_c *sblk =
- &cp->bnx2x_status_blk->c_status_block;
+ &cp->status_blk.bnx2x->c_status_block;
u32 status_idx = sblk->status_block_index;
int kcqe_cnt;
struct cnic_local *cp = dev->cnic_priv;
u16 prod = cp->kcq_prod_idx & MAX_KCQ_IDX;
- prefetch(cp->status_blk);
- prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
+ if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags))) {
+ prefetch(cp->status_blk.bnx2x);
+ prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
- if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags)))
tasklet_schedule(&cp->cnic_irq_task);
-
- cnic_chk_pkt_rings(cp);
+ cnic_chk_pkt_rings(cp);
+ }
return 0;
}
l4kwqe->sa5 = dev->mac_addr[5];
l4kwqe->etype = ETH_P_IP;
- l4kwqe->ipid_count = DEF_IPID_COUNT;
+ l4kwqe->ipid_start = DEF_IPID_START;
l4kwqe->host_opaque = csk->l5_cid;
if (csk->vlan_id) {
{
struct cnic_dev *dev = csk->dev;
struct cnic_local *cp = dev->cnic_priv;
- int is_v6, err, rc = -ENETUNREACH;
- struct dst_entry *dst;
+ int is_v6, rc = 0;
+ struct dst_entry *dst = NULL;
struct net_device *realdev;
u32 local_port;
clear_bit(SK_F_IPV6, &csk->flags);
if (is_v6) {
-#if defined(CONFIG_IPV6) || (defined(CONFIG_IPV6_MODULE) && defined(MODULE))
set_bit(SK_F_IPV6, &csk->flags);
- err = cnic_get_v6_route(&saddr->remote.v6, &dst);
- if (err)
- return err;
-
- if (!dst || dst->error || !dst->dev)
- goto err_out;
+ cnic_get_v6_route(&saddr->remote.v6, &dst);
memcpy(&csk->dst_ip[0], &saddr->remote.v6.sin6_addr,
sizeof(struct in6_addr));
csk->dst_port = saddr->remote.v6.sin6_port;
local_port = saddr->local.v6.sin6_port;
-#else
- return rc;
-#endif
} else {
- err = cnic_get_v4_route(&saddr->remote.v4, &dst);
- if (err)
- return err;
-
- if (!dst || dst->error || !dst->dev)
- goto err_out;
+ cnic_get_v4_route(&saddr->remote.v4, &dst);
csk->dst_ip[0] = saddr->remote.v4.sin_addr.s_addr;
csk->dst_port = saddr->remote.v4.sin_port;
local_port = saddr->local.v4.sin_port;
}
- csk->vlan_id = cnic_get_vlan(dst->dev, &realdev);
- if (realdev != dev->netdev)
- goto err_out;
+ csk->vlan_id = 0;
+ csk->mtu = dev->netdev->mtu;
+ if (dst && dst->dev) {
+ u16 vlan = cnic_get_vlan(dst->dev, &realdev);
+ if (realdev == dev->netdev) {
+ csk->vlan_id = vlan;
+ csk->mtu = dst_mtu(dst);
+ }
+ }
if (local_port >= CNIC_LOCAL_PORT_MIN &&
local_port < CNIC_LOCAL_PORT_MAX) {
}
csk->src_port = local_port;
- csk->mtu = dst_mtu(dst);
- rc = 0;
-
err_out:
dst_release(dst);
return rc;
clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
goto done;
}
+ /* Possible PG kcqe status: SUCCESS, OFFLOADED_PG, or CTX_ALLOC_FAIL */
+ if (kcqe->status == L4_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAIL) {
+ clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
+ cnic_cm_upcall(cp, csk,
+ L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
+ goto done;
+ }
+
csk->pg_cid = kcqe->pg_cid;
set_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags);
cnic_cm_conn_req(csk);
}
switch (opcode) {
+ case L5CM_RAMROD_CMD_ID_TCP_CONNECT:
+ if (l4kcqe->status != 0) {
+ clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
+ cnic_cm_upcall(cp, csk,
+ L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
+ }
+ break;
case L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE:
if (l4kcqe->status == 0)
set_bit(SK_F_OFFLD_COMPLETE, &csk->flags);
break;
case L4_KCQE_OPCODE_VALUE_RESET_RECEIVED:
- if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags))
+ if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+ cnic_cm_upcall(cp, csk, opcode);
+ break;
+ } else if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags))
csk->state = opcode;
/* fall through */
case L4_KCQE_OPCODE_VALUE_CLOSE_COMP:
if (!test_and_set_bit(SK_F_CLOSING, &csk->flags))
return 1;
}
+ /* 57710+ only workaround to handle unsolicited RESET_COMP
+ * which will be treated like a RESET RCVD notification
+ * which triggers the clean up procedure
+ */
+ else if (opcode == L4_KCQE_OPCODE_VALUE_RESET_COMP) {
+ if (!test_and_set_bit(SK_F_CLOSING, &csk->flags)) {
+ csk->state = L4_KCQE_OPCODE_VALUE_RESET_RECEIVED;
+ return 1;
+ }
+ }
return 0;
}
struct cnic_local *cp = dev->cnic_priv;
clear_bit(SK_F_CONNECT_START, &csk->flags);
- if (cnic_ready_to_close(csk, opcode)) {
- cnic_close_conn(csk);
- cnic_cm_upcall(cp, csk, opcode);
- }
+ cnic_close_conn(csk);
+ cnic_cm_upcall(cp, csk, opcode);
}
static void cnic_cm_stop_bnx2_hw(struct cnic_dev *dev)
CNIC_WR(dev, base + BNX2_HC_COM_TICKS_OFF, (64 << 16) | 220);
CNIC_WR(dev, base + BNX2_HC_CMD_TICKS_OFF, (64 << 16) | 220);
- cp->bnx2_status_blk = cp->status_blk;
- cp->last_status_idx = cp->bnx2_status_blk->status_idx;
+ cp->last_status_idx = cp->status_blk.bnx2->status_idx;
tasklet_init(&cp->cnic_irq_task, cnic_service_bnx2_msix,
(unsigned long) dev);
err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0,
tasklet_disable(&cp->cnic_irq_task);
return err;
}
- while (cp->bnx2_status_blk->status_completion_producer_index &&
+ while (cp->status_blk.bnx2->status_completion_producer_index &&
i < 10) {
CNIC_WR(dev, BNX2_HC_COALESCE_NOW,
1 << (11 + sblk_num));
i++;
barrier();
}
- if (cp->bnx2_status_blk->status_completion_producer_index) {
+ if (cp->status_blk.bnx2->status_completion_producer_index) {
cnic_free_irq(dev);
goto failed;
}
} else {
- struct status_block *sblk = cp->status_blk;
+ struct status_block *sblk = cp->status_blk.gen;
u32 hc_cmd = CNIC_RD(dev, BNX2_HC_COMMAND);
int i = 0;
int i;
struct tx_bd *txbd;
dma_addr_t buf_map;
- struct status_block *s_blk = cp->status_blk;
+ struct status_block *s_blk = cp->status_blk.gen;
sb_id = cp->status_blk_num;
tx_cid = 20;
cnic_init_context(dev, tx_cid + 1);
cp->tx_cons_ptr = &s_blk->status_tx_quick_consumer_index2;
if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
- struct status_block_msix *sblk = cp->status_blk;
+ struct status_block_msix *sblk = cp->status_blk.bnx2;
tx_cid = TX_TSS_CID + sb_id - 1;
cnic_init_context(dev, tx_cid);
u32 cid_addr, sb_id, val, coal_reg, coal_val;
int i;
struct rx_bd *rxbd;
- struct status_block *s_blk = cp->status_blk;
+ struct status_block *s_blk = cp->status_blk.gen;
sb_id = cp->status_blk_num;
cnic_init_context(dev, 2);
coal_reg = BNX2_HC_COMMAND;
coal_val = CNIC_RD(dev, coal_reg);
if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
- struct status_block_msix *sblk = cp->status_blk;
+ struct status_block_msix *sblk = cp->status_blk.bnx2;
cp->rx_cons_ptr = &sblk->status_rx_quick_consumer_index;
coal_reg = BNX2_HC_COALESCE_NOW;
{
struct cnic_local *cp = dev->cnic_priv;
struct cnic_eth_dev *ethdev = cp->ethdev;
- struct status_block *sblk = cp->status_blk;
+ struct status_block *sblk = cp->status_blk.gen;
u32 val;
int err;
cp->chip_id = ethdev->chip_id;
pci_dev_get(dev->pcidev);
cp->func = PCI_FUNC(dev->pcidev->devfn);
- cp->status_blk = ethdev->irq_arr[0].status_blk;
+ cp->status_blk.gen = ethdev->irq_arr[0].status_blk;
cp->status_blk_num = ethdev->irq_arr[0].status_blk_num;
err = cp->alloc_resc(dev);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff