netxen: add netxen_nic_ctx.c
Contains rx and tx ring context management and certain
firmware commands for netxen firmware v4.0.0+.
This patch gathers all HW context management code into
netxen_nic_ctx.c.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 87be0a6..9362190 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -84,7 +84,7 @@
#define TX_RINGSIZE \
(sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
#define RCV_BUFFSIZE \
- (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
+ (sizeof(struct netxen_rx_buffer) * rds_ring->max_rx_desc_count)
#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
#define NETXEN_NETDEV_STATUS 0x1
@@ -303,7 +303,7 @@
#define netxen_set_cmd_desc_port(cmd_desc, var) \
((cmd_desc)->port_ctxid |= ((var) & 0x0F))
#define netxen_set_cmd_desc_ctxid(cmd_desc, var) \
- ((cmd_desc)->port_ctxid |= ((var) & 0xF0))
+ ((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
#define netxen_set_cmd_desc_flags(cmd_desc, val) \
(cmd_desc)->flags_opcode = ((cmd_desc)->flags_opcode & \
@@ -844,7 +844,7 @@
* Rcv Descriptor Context. One such per Rcv Descriptor. There may
* be one Rcv Descriptor for normal packets, one for jumbo and may be others.
*/
-struct netxen_rcv_desc_ctx {
+struct nx_host_rds_ring {
u32 flags;
u32 producer;
dma_addr_t phys_addr;
@@ -864,13 +864,270 @@
* present elsewhere.
*/
struct netxen_recv_context {
- struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
+ u32 state;
+ u16 context_id;
+ u16 virt_port;
+
+ struct nx_host_rds_ring rds_rings[NUM_RCV_DESC_RINGS];
u32 status_rx_consumer;
u32 crb_sts_consumer; /* reg offset */
dma_addr_t rcv_status_desc_phys_addr;
struct status_desc *rcv_status_desc_head;
};
+/* New HW context creation */
+
+#define NX_OS_CRB_RETRY_COUNT 4000
+#define NX_CDRP_SIGNATURE_MAKE(pcifn, version) \
+ (((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
+
+#define NX_CDRP_CLEAR 0x00000000
+#define NX_CDRP_CMD_BIT 0x80000000
+
+/*
+ * All responses must have the NX_CDRP_CMD_BIT cleared
+ * in the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_RSP(rsp) (rsp)
+#define NX_CDRP_IS_RSP(rsp) (((rsp) & NX_CDRP_CMD_BIT) == 0)
+
+#define NX_CDRP_RSP_OK 0x00000001
+#define NX_CDRP_RSP_FAIL 0x00000002
+#define NX_CDRP_RSP_TIMEOUT 0x00000003
+
+/*
+ * All commands must have the NX_CDRP_CMD_BIT set in
+ * the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_CMD(cmd) (NX_CDRP_CMD_BIT | (cmd))
+#define NX_CDRP_IS_CMD(cmd) (((cmd) & NX_CDRP_CMD_BIT) != 0)
+
+#define NX_CDRP_CMD_SUBMIT_CAPABILITIES 0x00000001
+#define NX_CDRP_CMD_READ_MAX_RDS_PER_CTX 0x00000002
+#define NX_CDRP_CMD_READ_MAX_SDS_PER_CTX 0x00000003
+#define NX_CDRP_CMD_READ_MAX_RULES_PER_CTX 0x00000004
+#define NX_CDRP_CMD_READ_MAX_RX_CTX 0x00000005
+#define NX_CDRP_CMD_READ_MAX_TX_CTX 0x00000006
+#define NX_CDRP_CMD_CREATE_RX_CTX 0x00000007
+#define NX_CDRP_CMD_DESTROY_RX_CTX 0x00000008
+#define NX_CDRP_CMD_CREATE_TX_CTX 0x00000009
+#define NX_CDRP_CMD_DESTROY_TX_CTX 0x0000000a
+#define NX_CDRP_CMD_SETUP_STATISTICS 0x0000000e
+#define NX_CDRP_CMD_GET_STATISTICS 0x0000000f
+#define NX_CDRP_CMD_DELETE_STATISTICS 0x00000010
+#define NX_CDRP_CMD_SET_MTU 0x00000012
+#define NX_CDRP_CMD_MAX 0x00000013
+
+#define NX_RCODE_SUCCESS 0
+#define NX_RCODE_NO_HOST_MEM 1
+#define NX_RCODE_NO_HOST_RESOURCE 2
+#define NX_RCODE_NO_CARD_CRB 3
+#define NX_RCODE_NO_CARD_MEM 4
+#define NX_RCODE_NO_CARD_RESOURCE 5
+#define NX_RCODE_INVALID_ARGS 6
+#define NX_RCODE_INVALID_ACTION 7
+#define NX_RCODE_INVALID_STATE 8
+#define NX_RCODE_NOT_SUPPORTED 9
+#define NX_RCODE_NOT_PERMITTED 10
+#define NX_RCODE_NOT_READY 11
+#define NX_RCODE_DOES_NOT_EXIST 12
+#define NX_RCODE_ALREADY_EXISTS 13
+#define NX_RCODE_BAD_SIGNATURE 14
+#define NX_RCODE_CMD_NOT_IMPL 15
+#define NX_RCODE_CMD_INVALID 16
+#define NX_RCODE_TIMEOUT 17
+#define NX_RCODE_CMD_FAILED 18
+#define NX_RCODE_MAX_EXCEEDED 19
+#define NX_RCODE_MAX 20
+
+#define NX_DESTROY_CTX_RESET 0
+#define NX_DESTROY_CTX_D3_RESET 1
+#define NX_DESTROY_CTX_MAX 2
+
+/*
+ * Capabilities
+ */
+#define NX_CAP_BIT(class, bit) (1 << bit)
+#define NX_CAP0_LEGACY_CONTEXT NX_CAP_BIT(0, 0)
+#define NX_CAP0_MULTI_CONTEXT NX_CAP_BIT(0, 1)
+#define NX_CAP0_LEGACY_MN NX_CAP_BIT(0, 2)
+#define NX_CAP0_LEGACY_MS NX_CAP_BIT(0, 3)
+#define NX_CAP0_CUT_THROUGH NX_CAP_BIT(0, 4)
+#define NX_CAP0_LRO NX_CAP_BIT(0, 5)
+#define NX_CAP0_LSO NX_CAP_BIT(0, 6)
+#define NX_CAP0_JUMBO_CONTIGUOUS NX_CAP_BIT(0, 7)
+#define NX_CAP0_LRO_CONTIGUOUS NX_CAP_BIT(0, 8)
+
+/*
+ * Context state
+ */
+#define NX_HOST_CTX_STATE_FREED 0
+#define NX_HOST_CTX_STATE_ALLOCATED 1
+#define NX_HOST_CTX_STATE_ACTIVE 2
+#define NX_HOST_CTX_STATE_DISABLED 3
+#define NX_HOST_CTX_STATE_QUIESCED 4
+#define NX_HOST_CTX_STATE_MAX 5
+
+/*
+ * Rx context
+ */
+
+typedef struct {
+ u64 host_phys_addr; /* Ring base addr */
+ u32 ring_size; /* Ring entries */
+ u16 msi_index;
+ u16 rsvd; /* Padding */
+} nx_hostrq_sds_ring_t;
+
+typedef struct {
+ u64 host_phys_addr; /* Ring base addr */
+ u64 buff_size; /* Packet buffer size */
+ u32 ring_size; /* Ring entries */
+ u32 ring_kind; /* Class of ring */
+} nx_hostrq_rds_ring_t;
+
+typedef struct {
+ u64 host_rsp_dma_addr; /* Response dma'd here */
+ u32 capabilities[4]; /* Flag bit vector */
+ u32 host_int_crb_mode; /* Interrupt crb usage */
+ u32 host_rds_crb_mode; /* RDS crb usage */
+ /* These ring offsets are relative to data[0] below */
+ u32 rds_ring_offset; /* Offset to RDS config */
+ u32 sds_ring_offset; /* Offset to SDS config */
+ u16 num_rds_rings; /* Count of RDS rings */
+ u16 num_sds_rings; /* Count of SDS rings */
+ u16 rsvd1; /* Padding */
+ u16 rsvd2; /* Padding */
+ u8 reserved[128]; /* reserve space for future expansion*/
+ /* MUST BE 64-bit aligned.
+ The following is packed:
+ - N hostrq_rds_rings
+ - N hostrq_sds_rings */
+ char data[0];
+} nx_hostrq_rx_ctx_t;
+
+typedef struct {
+ u32 host_producer_crb; /* Crb to use */
+ u32 rsvd1; /* Padding */
+} nx_cardrsp_rds_ring_t;
+
+typedef struct {
+ u32 host_consumer_crb; /* Crb to use */
+ u32 interrupt_crb; /* Crb to use */
+} nx_cardrsp_sds_ring_t;
+
+typedef struct {
+ /* These ring offsets are relative to data[0] below */
+ u32 rds_ring_offset; /* Offset to RDS config */
+ u32 sds_ring_offset; /* Offset to SDS config */
+ u32 host_ctx_state; /* Starting State */
+ u32 num_fn_per_port; /* How many PCI fn share the port */
+ u16 num_rds_rings; /* Count of RDS rings */
+ u16 num_sds_rings; /* Count of SDS rings */
+ u16 context_id; /* Handle for context */
+ u8 phys_port; /* Physical id of port */
+ u8 virt_port; /* Virtual/Logical id of port */
+ u8 reserved[128]; /* save space for future expansion */
+ /* MUST BE 64-bit aligned.
+ The following is packed:
+ - N cardrsp_rds_rings
+ - N cardrs_sds_rings */
+ char data[0];
+} nx_cardrsp_rx_ctx_t;
+
+#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings) \
+ (sizeof(HOSTRQ_RX) + \
+ (rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) + \
+ (sds_rings)*(sizeof(nx_hostrq_sds_ring_t)))
+
+#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) \
+ (sizeof(CARDRSP_RX) + \
+ (rds_rings)*(sizeof(nx_cardrsp_rds_ring_t)) + \
+ (sds_rings)*(sizeof(nx_cardrsp_sds_ring_t)))
+
+/*
+ * Tx context
+ */
+
+typedef struct {
+ u64 host_phys_addr; /* Ring base addr */
+ u32 ring_size; /* Ring entries */
+ u32 rsvd; /* Padding */
+} nx_hostrq_cds_ring_t;
+
+typedef struct {
+ u64 host_rsp_dma_addr; /* Response dma'd here */
+ u64 cmd_cons_dma_addr; /* */
+ u64 dummy_dma_addr; /* */
+ u32 capabilities[4]; /* Flag bit vector */
+ u32 host_int_crb_mode; /* Interrupt crb usage */
+ u32 rsvd1; /* Padding */
+ u16 rsvd2; /* Padding */
+ u16 interrupt_ctl;
+ u16 msi_index;
+ u16 rsvd3; /* Padding */
+ nx_hostrq_cds_ring_t cds_ring; /* Desc of cds ring */
+ u8 reserved[128]; /* future expansion */
+} nx_hostrq_tx_ctx_t;
+
+typedef struct {
+ u32 host_producer_crb; /* Crb to use */
+ u32 interrupt_crb; /* Crb to use */
+} nx_cardrsp_cds_ring_t;
+
+typedef struct {
+ u32 host_ctx_state; /* Starting state */
+ u16 context_id; /* Handle for context */
+ u8 phys_port; /* Physical id of port */
+ u8 virt_port; /* Virtual/Logical id of port */
+ nx_cardrsp_cds_ring_t cds_ring; /* Card cds settings */
+ u8 reserved[128]; /* future expansion */
+} nx_cardrsp_tx_ctx_t;
+
+#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX) (sizeof(HOSTRQ_TX))
+#define SIZEOF_CARDRSP_TX(CARDRSP_TX) (sizeof(CARDRSP_TX))
+
+/* CRB */
+
+#define NX_HOST_RDS_CRB_MODE_UNIQUE 0
+#define NX_HOST_RDS_CRB_MODE_SHARED 1
+#define NX_HOST_RDS_CRB_MODE_CUSTOM 2
+#define NX_HOST_RDS_CRB_MODE_MAX 3
+
+#define NX_HOST_INT_CRB_MODE_UNIQUE 0
+#define NX_HOST_INT_CRB_MODE_SHARED 1
+#define NX_HOST_INT_CRB_MODE_NORX 2
+#define NX_HOST_INT_CRB_MODE_NOTX 3
+#define NX_HOST_INT_CRB_MODE_NORXTX 4
+
+
+/* MAC */
+
+#define MC_COUNT_P2 16
+#define MC_COUNT_P3 38
+
+#define NETXEN_MAC_NOOP 0
+#define NETXEN_MAC_ADD 1
+#define NETXEN_MAC_DEL 2
+
+typedef struct nx_mac_list_s {
+ struct nx_mac_list_s *next;
+ uint8_t mac_addr[MAX_ADDR_LEN];
+} nx_mac_list_t;
+
+typedef struct {
+ u64 qhdr;
+ u64 req_hdr;
+ u64 words[6];
+} nic_request_t;
+
+typedef struct {
+ u8 op;
+ u8 tag;
+ u8 mac_addr[6];
+} nx_mac_req_t;
+
+
#define NETXEN_NIC_MSI_ENABLED 0x02
#define NETXEN_NIC_MSIX_ENABLED 0x04
#define NETXEN_IS_MSI_FAMILY(adapter) \
@@ -899,11 +1156,13 @@
int mtu;
int portnum;
u8 physical_port;
+ u16 tx_context_id;
uint8_t mc_enabled;
uint8_t max_mc_count;
struct netxen_legacy_intr_set legacy_intr;
+ u32 crb_intr_mask;
struct work_struct watchdog_task;
struct timer_list watchdog_timer;
@@ -926,6 +1185,8 @@
u32 max_jumbo_rx_desc_count;
u32 max_lro_rx_desc_count;
+ int max_rds_rings;
+
u32 flags;
u32 irq;
int driver_mismatch;
@@ -1144,7 +1405,10 @@
int netxen_process_cmd_ring(struct netxen_adapter *adapter);
u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
void netxen_nic_set_multi(struct net_device *netdev);
+
+u32 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu);
int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
+
int netxen_nic_set_mac(struct net_device *netdev, void *p);
struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);