return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
}
+/**
+ * t4vf_fl_pkt_align - return the fl packet alignment
+ * @adapter: the adapter
+ *
+ * T4 has a single field to specify the packing and padding boundary.
+ * T5 onwards has separate fields for this and hence the alignment for
+ * next packet offset is maximum of these two.
+ */
+int t4vf_fl_pkt_align(struct adapter *adapter, u32 sge_control,
+ u32 sge_control2)
+{
+ unsigned int ingpadboundary, ingpackboundary, fl_align, ingpad_shift;
+
+ /* T4 uses a single control field to specify both the PCIe Padding and
+ * Packing Boundary. T5 introduced the ability to specify these
+ * separately. The actual Ingress Packet Data alignment boundary
+ * within Packed Buffer Mode is the maximum of these two
+ * specifications.
+ */
+ if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
+ ingpad_shift = X_INGPADBOUNDARY_SHIFT;
+ else
+ ingpad_shift = X_T6_INGPADBOUNDARY_SHIFT;
+
+ ingpadboundary = 1 << (G_INGPADBOUNDARY(sge_control) + ingpad_shift);
+
+ fl_align = ingpadboundary;
+ if (!is_t4(adapter->params.chip)) {
+ ingpackboundary = G_INGPACKBOUNDARY(sge_control2);
+ if (ingpackboundary == X_INGPACKBOUNDARY_16B)
+ ingpackboundary = 16;
+ else
+ ingpackboundary = 1 << (ingpackboundary +
+ X_INGPACKBOUNDARY_SHIFT);
+
+ fl_align = max(ingpadboundary, ingpackboundary);
+ }
+ return fl_align;
+}
+
unsigned int t4vf_get_pf_from_vf(struct adapter *adapter)
{
u32 whoami;
G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami));
}
+/**
+ * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration
+ * @adapter: the adapter
+ *
+ * Retrieves global RSS mode and parameters with which we have to live
+ * and stores them in the @adapter's RSS parameters.
+ */
+int t4vf_get_rss_glb_config(struct adapter *adapter)
+{
+ struct rss_params *rss = &adapter->params.rss;
+ struct fw_rss_glb_config_cmd cmd, rpl;
+ int v;
+
+ /*
+ * Execute an RSS Global Configuration read command to retrieve
+ * our RSS configuration.
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) |
+ F_FW_CMD_REQUEST |
+ F_FW_CMD_READ);
+ cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
+ v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
+ if (v != FW_SUCCESS)
+ return v;
+
+ /*
+ * Translate the big-endian RSS Global Configuration into our
+ * cpu-endian format based on the RSS mode. We also do first level
+ * filtering at this point to weed out modes which don't support
+ * VF Drivers ...
+ */
+ rss->mode = G_FW_RSS_GLB_CONFIG_CMD_MODE
+ (be32_to_cpu(rpl.u.manual.mode_pkd));
+ switch (rss->mode) {
+ case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: {
+ u32 word = be32_to_cpu
+ (rpl.u.basicvirtual.synmapen_to_hashtoeplitz);
+
+ rss->u.basicvirtual.synmapen =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN) != 0);
+ rss->u.basicvirtual.syn4tupenipv6 =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6) != 0);
+ rss->u.basicvirtual.syn2tupenipv6 =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6) != 0);
+ rss->u.basicvirtual.syn4tupenipv4 =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4) != 0);
+ rss->u.basicvirtual.syn2tupenipv4 =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4) != 0);
+ rss->u.basicvirtual.ofdmapen =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN) != 0);
+ rss->u.basicvirtual.tnlmapen =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN) != 0);
+ rss->u.basicvirtual.tnlalllookup =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP) != 0);
+ rss->u.basicvirtual.hashtoeplitz =
+ ((word & F_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ) != 0);
+
+ /* we need at least Tunnel Map Enable to be set */
+ if (!rss->u.basicvirtual.tnlmapen)
+ return -EINVAL;
+ break;
+ }
+
+ default:
+ /* all unknown/unsupported RSS modes result in an error */
+ return -EINVAL;
+ }
+ return 0;
+}
+
/**
* t4vf_get_vfres - retrieve VF resource limits
* @adapter: the adapter
return 0;
}
+/**
+ * t4vf_get_port_stats_fw - collect "port" statistics via Firmware
+ * @adapter: the adapter
+ * @pidx: the port index
+ * @s: the stats structure to fill
+ *
+ * Collect statistics for the "port"'s Virtual Interface via Firmware
+ * commands.
+ */
+static int t4vf_get_port_stats_fw(struct adapter *adapter, int pidx,
+ struct port_stats *p)
+{
+ struct port_info *pi = adap2pinfo(adapter, pidx);
+ unsigned int rem = VI_VF_NUM_STATS;
+ struct fw_vi_stats_vf fwstats;
+ __be64 *fwsp = (__be64 *)&fwstats;
+
+ /*
+ * Grab the Virtual Interface statistics a chunk at a time via mailbox
+ * commands. We could use a Work Request and get all of them at once
+ * but that's an asynchronous interface which is awkward to use.
+ */
+ while (rem) {
+ unsigned int ix = VI_VF_NUM_STATS - rem;
+ unsigned int nstats = min(6U, rem);
+ struct fw_vi_stats_cmd cmd, rpl;
+ size_t len = (offsetof(struct fw_vi_stats_cmd, u) +
+ sizeof(struct fw_vi_stats_ctl));
+ size_t len16 = DIV_ROUND_UP(len, 16);
+ int ret;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_STATS_CMD) |
+ V_FW_VI_STATS_CMD_VIID(pi->viid) |
+ F_FW_CMD_REQUEST |
+ F_FW_CMD_READ);
+ cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(len16));
+ cmd.u.ctl.nstats_ix =
+ cpu_to_be16(V_FW_VI_STATS_CMD_IX(ix) |
+ V_FW_VI_STATS_CMD_NSTATS(nstats));
+ ret = t4vf_wr_mbox_ns(adapter, &cmd, len, &rpl);
+ if (ret != FW_SUCCESS)
+ return ret;
+
+ memcpy(fwsp, &rpl.u.ctl.stat0, sizeof(__be64) * nstats);
+
+ rem -= nstats;
+ fwsp += nstats;
+ }
+
+ /*
+ * Translate firmware statistics into host native statistics.
+ */
+ p->tx_bcast_frames = be64_to_cpu(fwstats.tx_bcast_frames);
+ p->tx_mcast_frames = be64_to_cpu(fwstats.tx_mcast_frames);
+ p->tx_ucast_frames = be64_to_cpu(fwstats.tx_ucast_frames);
+ p->tx_drop = be64_to_cpu(fwstats.tx_drop_frames);
+
+ p->rx_bcast_frames = be64_to_cpu(fwstats.rx_bcast_frames);
+ p->rx_mcast_frames = be64_to_cpu(fwstats.rx_mcast_frames);
+ p->rx_ucast_frames = be64_to_cpu(fwstats.rx_ucast_frames);
+ p->rx_len_err = be64_to_cpu(fwstats.rx_err_frames);
+
+ return 0;
+}
+
+/**
+ * t4vf_get_port_stats - collect "port" statistics
+ * @adapter: the adapter
+ * @pidx: the port index
+ * @s: the stats structure to fill
+ *
+ * Collect statistics for the "port"'s Virtual Interface.
+ */
+void t4vf_get_port_stats(struct adapter *adapter, int pidx,
+ struct port_stats *p)
+{
+ /*
+ * If this is not the first Virtual Interface for our Virtual
+ * Function, we need to use Firmware commands to retrieve its
+ * MPS statistics.
+ */
+ if (pidx != 0)
+ t4vf_get_port_stats_fw(adapter, pidx, p);
+
+ /*
+ * But for the first VI, we can grab its statistics via the MPS
+ * register mapped into the VF register space.
+ */
+#define GET_STAT(name) \
+ t4_read_reg64(adapter, \
+ T4VF_MPS_BASE_ADDR + A_MPS_VF_STAT_##name##_L)
+ p->tx_bcast_frames = GET_STAT(TX_VF_BCAST_FRAMES);
+ p->tx_mcast_frames = GET_STAT(TX_VF_MCAST_FRAMES);
+ p->tx_ucast_frames = GET_STAT(TX_VF_UCAST_FRAMES);
+ p->tx_drop = GET_STAT(TX_VF_DROP_FRAMES);
+
+ p->rx_bcast_frames = GET_STAT(RX_VF_BCAST_FRAMES);
+ p->rx_mcast_frames = GET_STAT(RX_VF_MCAST_FRAMES);
+ p->rx_ucast_frames = GET_STAT(RX_VF_UCAST_FRAMES);
+
+ p->rx_len_err = GET_STAT(RX_VF_ERR_FRAMES);
+#undef GET_STAT
+}
+
static int t4vf_alloc_vi(struct adapter *adapter, int port_id)
{
struct fw_vi_cmd cmd, rpl;
git.droids-corp.org / dpdk.git / blobdiff