#include <rte_bus_pci.h>
#include <rte_mbuf.h>
#include <rte_io.h>
+#include <rte_ethdev.h>
#include "cxgbe_compat.h"
#include "t4_regs_values.h"
+#include "cxgbe_ofld.h"
enum {
MAX_ETH_QSETS = 64, /* # of Ethernet Tx/Rx queue sets */
unsigned int vpd_flag;
int use_unpacked_mode; /* unpacked rx mode state */
+
+ struct tid_info tids; /* Info used to access TID related tables */
};
/**
enum fw_params_param_dev {
FW_PARAMS_PARAM_DEV_CCLK = 0x00, /* chip core clock in khz */
FW_PARAMS_PARAM_DEV_PORTVEC = 0x01, /* the port vector */
+ FW_PARAMS_PARAM_DEV_NTID = 0x02, /* reads the number of TIDs
+ * allocated by the device's
+ * Lookup Engine
+ */
FW_PARAMS_PARAM_DEV_FWREV = 0x0B, /* fw version */
FW_PARAMS_PARAM_DEV_TPREV = 0x0C, /* tp version */
FW_PARAMS_PARAM_DEV_ULPTX_MEMWRITE_DSGL = 0x17,
* physical and virtual function parameters
*/
enum fw_params_param_pfvf {
+ FW_PARAMS_PARAM_PFVF_FILTER_START = 0x05,
+ FW_PARAMS_PARAM_PFVF_FILTER_END = 0x06,
FW_PARAMS_PARAM_PFVF_CPLFW4MSG_ENCAP = 0x31,
FW_PARAMS_PARAM_PFVF_PORT_CAPS32 = 0x3A
};
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Chelsio Communications.
+ * All rights reserved.
+ */
+
+#ifndef _CXGBE_FILTER_H_
+#define _CXGBE_FILTER_H_
+
+#include "t4_msg.h"
+/*
+ * Defined bit width of user definable filter tuples
+ */
+#define ETHTYPE_BITWIDTH 16
+#define FRAG_BITWIDTH 1
+#define MACIDX_BITWIDTH 9
+#define FCOE_BITWIDTH 1
+#define IPORT_BITWIDTH 3
+#define MATCHTYPE_BITWIDTH 3
+#define PROTO_BITWIDTH 8
+#define TOS_BITWIDTH 8
+#define PF_BITWIDTH 8
+#define VF_BITWIDTH 8
+#define IVLAN_BITWIDTH 16
+#define OVLAN_BITWIDTH 16
+
+/*
+ * Filter matching rules. These consist of a set of ingress packet field
+ * (value, mask) tuples. The associated ingress packet field matches the
+ * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field
+ * rule can be constructed by specifying a tuple of (0, 0).) A filter rule
+ * matches an ingress packet when all of the individual individual field
+ * matching rules are true.
+ *
+ * Partial field masks are always valid, however, while it may be easy to
+ * understand their meanings for some fields (e.g. IP address to match a
+ * subnet), for others making sensible partial masks is less intuitive (e.g.
+ * MPS match type) ...
+ */
+struct ch_filter_tuple {
+ /*
+ * Compressed header matching field rules. The TP_VLAN_PRI_MAP
+ * register selects which of these fields will participate in the
+ * filter match rules -- up to a maximum of 36 bits. Because
+ * TP_VLAN_PRI_MAP is a global register, all filters must use the same
+ * set of fields.
+ */
+ uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */
+ uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */
+ uint32_t ivlan_vld:1; /* inner VLAN valid */
+ uint32_t ovlan_vld:1; /* outer VLAN valid */
+ uint32_t pfvf_vld:1; /* PF/VF valid */
+ uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */
+ uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */
+ uint32_t iport:IPORT_BITWIDTH; /* ingress port */
+ uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */
+ uint32_t proto:PROTO_BITWIDTH; /* protocol type */
+ uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */
+ uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */
+ uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */
+ uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */
+ uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */
+
+ /*
+ * Uncompressed header matching field rules. These are always
+ * available for field rules.
+ */
+ uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */
+ uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */
+ uint16_t lport; /* local port */
+ uint16_t fport; /* foreign port */
+
+ /* reservations for future additions */
+ uint8_t rsvd[12];
+};
+
+/*
+ * Filter specification
+ */
+struct ch_filter_specification {
+ /* Filter rule value/mask pairs. */
+ struct ch_filter_tuple val;
+ struct ch_filter_tuple mask;
+};
+
+/*
+ * Host shadow copy of ingress filter entry. This is in host native format
+ * and doesn't match the ordering or bit order, etc. of the hardware or the
+ * firmware command.
+ */
+struct filter_entry {
+ /*
+ * The filter itself.
+ */
+ struct ch_filter_specification fs;
+};
+
+#endif /* _CXGBE_FILTER_H_ */
#include "t4_msg.h"
#include "cxgbe.h"
+/**
+ * Allocate a chunk of memory. The allocated memory is cleared.
+ */
+void *t4_alloc_mem(size_t size)
+{
+ return rte_zmalloc(NULL, size, 0);
+}
+
+/**
+ * Free memory allocated through t4_alloc_mem().
+ */
+void t4_free_mem(void *addr)
+{
+ rte_free(addr);
+}
+
/*
* Response queue handler for the FW event queue.
*/
return 0;
}
+/**
+ * Free TID tables.
+ */
+static void tid_free(struct tid_info *t)
+{
+ if (t->tid_tab) {
+ if (t->ftid_bmap)
+ rte_bitmap_free(t->ftid_bmap);
+
+ if (t->ftid_bmap_array)
+ t4_os_free(t->ftid_bmap_array);
+
+ t4_os_free(t->tid_tab);
+ }
+
+ memset(t, 0, sizeof(struct tid_info));
+}
+
+/**
+ * Allocate and initialize the TID tables. Returns 0 on success.
+ */
+static int tid_init(struct tid_info *t)
+{
+ size_t size;
+ unsigned int ftid_bmap_size;
+ unsigned int max_ftids = t->nftids;
+
+ ftid_bmap_size = rte_bitmap_get_memory_footprint(t->nftids);
+ size = t->ntids * sizeof(*t->tid_tab) +
+ max_ftids * sizeof(*t->ftid_tab);
+
+ t->tid_tab = t4_os_alloc(size);
+ if (!t->tid_tab)
+ return -ENOMEM;
+
+ t->ftid_tab = (struct filter_entry *)&t->tid_tab[t->ntids];
+ t->ftid_bmap_array = t4_os_alloc(ftid_bmap_size);
+ if (!t->ftid_bmap_array) {
+ tid_free(t);
+ return -ENOMEM;
+ }
+
+ t4_os_lock_init(&t->ftid_lock);
+ t->ftid_bmap = rte_bitmap_init(t->nftids, t->ftid_bmap_array,
+ ftid_bmap_size);
+ if (!t->ftid_bmap) {
+ tid_free(t);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
static inline bool is_x_1g_port(const struct link_config *lc)
{
return (lc->pcaps & FW_PORT_CAP32_SPEED_1G) != 0;
static int adap_init0(struct adapter *adap)
{
+ struct fw_caps_config_cmd caps_cmd;
int ret = 0;
u32 v, port_vec;
enum dev_state state;
V_FW_PARAMS_PARAM_Y(0) | \
V_FW_PARAMS_PARAM_Z(0))
+ params[0] = FW_PARAM_PFVF(FILTER_START);
+ params[1] = FW_PARAM_PFVF(FILTER_END);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2, params, val);
+ if (ret < 0)
+ goto bye;
+ adap->tids.ftid_base = val[0];
+ adap->tids.nftids = val[1] - val[0] + 1;
+
+ /*
+ * Get device capabilities so we can determine what resources we need
+ * to manage.
+ */
+ memset(&caps_cmd, 0, sizeof(caps_cmd));
+ caps_cmd.op_to_write = htonl(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
+ F_FW_CMD_REQUEST | F_FW_CMD_READ);
+ caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd));
+ ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
+ &caps_cmd);
+ if (ret < 0)
+ goto bye;
+
+ /* query tid-related parameters */
+ params[0] = FW_PARAM_DEV(NTID);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
+ params, val);
+ if (ret < 0)
+ goto bye;
+ adap->tids.ntids = val[0];
+
/* If we're running on newer firmware, let it know that we're
* prepared to deal with encapsulated CPL messages. Older
* firmware won't understand this and we'll just get
if (adapter->flags & FULL_INIT_DONE) {
if (is_pf4(adapter))
t4_intr_disable(adapter);
+ tid_free(&adapter->tids);
t4_sge_tx_monitor_stop(adapter);
t4_free_sge_resources(adapter);
for_each_port(adapter, i) {
print_adapter_info(adapter);
print_port_info(adapter);
+ if (tid_init(&adapter->tids) < 0) {
+ /* Disable filtering support */
+ dev_warn(adapter, "could not allocate TID table, "
+ "filter support disabled. Continuing\n");
+ }
+
err = init_rss(adapter);
if (err)
goto out_free;
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Chelsio Communications.
+ * All rights reserved.
+ */
+
+#ifndef _CXGBE_OFLD_H_
+#define _CXGBE_OFLD_H_
+
+#include <rte_bitmap.h>
+
+#include "cxgbe_filter.h"
+
+/*
+ * Holds the size, base address, free list start, etc of filter TID.
+ * The tables themselves are allocated dynamically.
+ */
+struct tid_info {
+ void **tid_tab;
+ unsigned int ntids;
+ struct filter_entry *ftid_tab; /* Normal filters */
+ struct rte_bitmap *ftid_bmap;
+ uint8_t *ftid_bmap_array;
+ unsigned int nftids;
+ unsigned int ftid_base;
+ rte_spinlock_t ftid_lock;
+};
+#endif /* _CXGBE_OFLD_H_ */