void netxen_free_hw_resources(struct netxen_adapter *adapter)
{
struct netxen_recv_context *recv_ctx;
struct nx_host_rds_ring *rds_ring;
int ctx, ring;
if (adapter->fw_major >= 4) {
nx_fw_cmd_destroy_tx_ctx(adapter);
nx_fw_cmd_destroy_rx_ctx(adapter);
}
if (adapter->ctx_desc != NULL) {
pci_free_consistent(adapter->pdev,
sizeof(struct netxen_ring_ctx) +
sizeof(uint32_t),
adapter->ctx_desc,
adapter->ctx_desc_phys_addr);
adapter->ctx_desc = NULL;
}
if (adapter->ahw.cmd_desc_head != NULL) {
pci_free_consistent(adapter->pdev,
sizeof(struct cmd_desc_type0) *
adapter->max_tx_desc_count,
adapter->ahw.cmd_desc_head,
adapter->ahw.cmd_desc_phys_addr);
adapter->ahw.cmd_desc_head = NULL;
}
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
recv_ctx = &adapter->recv_ctx[ctx];
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
if (rds_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
RCV_DESC_RINGSIZE,
rds_ring->desc_head,
rds_ring->phys_addr);
rds_ring->desc_head = NULL;
}
}
if (recv_ctx->rcv_status_desc_head != NULL) {
pci_free_consistent(adapter->pdev,
STATUS_DESC_RINGSIZE,
recv_ctx->rcv_status_desc_head,
recv_ctx->rcv_status_desc_phys_addr);
recv_ctx->rcv_status_desc_head = NULL;
}
}
}
void netxen_free_hw_resources(struct netxen_adapter *adapter)
{
struct netxen_recv_context *recv_ctx;
struct nx_host_rds_ring *rds_ring;
struct nx_host_sds_ring *sds_ring;
struct nx_host_tx_ring *tx_ring;
int ring;
int port = adapter->portnum;
if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
if (!test_and_clear_bit(__NX_FW_ATTACHED, &adapter->state))
goto done;
nx_fw_cmd_destroy_rx_ctx(adapter);
nx_fw_cmd_destroy_tx_ctx(adapter);
} else {
netxen_api_lock(adapter);
NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
NETXEN_CTX_D3_RESET | port);
netxen_api_unlock(adapter);
}
/* Allow dma queues to drain after context reset */
msleep(20);
done:
recv_ctx = &adapter->recv_ctx;
if (recv_ctx->hwctx != NULL) {
pci_free_consistent(adapter->pdev,
sizeof(struct netxen_ring_ctx) +
sizeof(uint32_t),
recv_ctx->hwctx,
recv_ctx->phys_addr);
recv_ctx->hwctx = NULL;
}
tx_ring = adapter->tx_ring;
if (tx_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
TX_DESC_RINGSIZE(tx_ring),
tx_ring->desc_head, tx_ring->phys_addr);
tx_ring->desc_head = NULL;
}
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
if (rds_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
RCV_DESC_RINGSIZE(rds_ring),
rds_ring->desc_head,
rds_ring->phys_addr);
rds_ring->desc_head = NULL;
}
}
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
if (sds_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
STATUS_DESC_RINGSIZE(sds_ring),
sds_ring->desc_head,
sds_ring->phys_addr);
sds_ring->desc_head = NULL;
}
}
}
