net/cxgbe: support flow API for source MAC rewrite
[dpdk.git] / drivers / net / cxgbe / cxgbe_main.c
index c3e6b95..df54e54 100644 (file)
 #include "base/t4_regs.h"
 #include "base/t4_msg.h"
 #include "cxgbe.h"
+#include "cxgbe_pfvf.h"
 #include "clip_tbl.h"
 #include "l2t.h"
+#include "smt.h"
 #include "mps_tcam.h"
 
 /**
@@ -105,6 +107,10 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp,
                const struct cpl_l2t_write_rpl *p = (const void *)rsp;
 
                cxgbe_do_l2t_write_rpl(q->adapter, p);
+       } else if (opcode == CPL_SMT_WRITE_RPL) {
+               const struct cpl_smt_write_rpl *p = (const void *)rsp;
+
+               cxgbe_do_smt_write_rpl(q->adapter, p);
        } else {
                dev_err(adapter, "unexpected CPL %#x on FW event queue\n",
                        opcode);
@@ -669,19 +675,26 @@ void cxgbe_print_port_info(struct adapter *adap)
        }
 }
 
-static int
-check_devargs_handler(__rte_unused const char *key, const char *value,
-                     __rte_unused void *opaque)
+static int check_devargs_handler(const char *key, const char *value, void *p)
 {
-       if (strcmp(value, "1"))
-               return -1;
+       if (!strncmp(key, CXGBE_DEVARG_CMN_KEEP_OVLAN, strlen(key)) ||
+           !strncmp(key, CXGBE_DEVARG_CMN_TX_MODE_LATENCY, strlen(key)) ||
+           !strncmp(key, CXGBE_DEVARG_VF_FORCE_LINK_UP, strlen(key))) {
+               if (!strncmp(value, "1", 1)) {
+                       bool *dst_val = (bool *)p;
+
+                       *dst_val = true;
+               }
+       }
 
        return 0;
 }
 
-int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key)
+static int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key,
+                            void *p)
 {
        struct rte_kvargs *kvlist;
+       int ret = 0;
 
        if (!devargs)
                return 0;
@@ -690,24 +703,47 @@ int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key)
        if (!kvlist)
                return 0;
 
-       if (!rte_kvargs_count(kvlist, key)) {
-               rte_kvargs_free(kvlist);
-               return 0;
-       }
+       if (!rte_kvargs_count(kvlist, key))
+               goto out;
 
-       if (rte_kvargs_process(kvlist, key,
-                              check_devargs_handler, NULL) < 0) {
-               rte_kvargs_free(kvlist);
-               return 0;
-       }
+       ret = rte_kvargs_process(kvlist, key, check_devargs_handler, p);
+
+out:
        rte_kvargs_free(kvlist);
 
-       return 1;
+       return ret;
+}
+
+static void cxgbe_get_devargs_int(struct adapter *adap, bool *dst,
+                                 const char *key, bool default_value)
+{
+       struct rte_pci_device *pdev = adap->pdev;
+       int ret;
+       bool devarg_value = default_value;
+
+       *dst = default_value;
+       if (!pdev)
+               return;
+
+       ret = cxgbe_get_devargs(pdev->device.devargs, key, &devarg_value);
+       if (ret)
+               return;
+
+       *dst = devarg_value;
+}
+
+void cxgbe_process_devargs(struct adapter *adap)
+{
+       cxgbe_get_devargs_int(adap, &adap->devargs.keep_ovlan,
+                             CXGBE_DEVARG_CMN_KEEP_OVLAN, false);
+       cxgbe_get_devargs_int(adap, &adap->devargs.tx_mode_latency,
+                             CXGBE_DEVARG_CMN_TX_MODE_LATENCY, false);
+       cxgbe_get_devargs_int(adap, &adap->devargs.force_link_up,
+                             CXGBE_DEVARG_VF_FORCE_LINK_UP, false);
 }
 
 static void configure_vlan_types(struct adapter *adapter)
 {
-       struct rte_pci_device *pdev = adapter->pdev;
        int i;
 
        for_each_port(adapter, i) {
@@ -723,12 +759,6 @@ static void configure_vlan_types(struct adapter *adapter)
                                 V_OVLAN_ETYPE(M_OVLAN_ETYPE),
                                 V_OVLAN_MASK(M_OVLAN_MASK) |
                                 V_OVLAN_ETYPE(0x9100));
-               /* OVLAN Type 0x8100 */
-               t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN2),
-                                V_OVLAN_MASK(M_OVLAN_MASK) |
-                                V_OVLAN_ETYPE(M_OVLAN_ETYPE),
-                                V_OVLAN_MASK(M_OVLAN_MASK) |
-                                V_OVLAN_ETYPE(0x8100));
 
                /* IVLAN 0X8100 */
                t4_set_reg_field(adapter, MPS_PORT_RX_IVLAN(i),
@@ -737,14 +767,13 @@ static void configure_vlan_types(struct adapter *adapter)
 
                t4_set_reg_field(adapter, MPS_PORT_RX_CTL(i),
                                 F_OVLAN_EN0 | F_OVLAN_EN1 |
-                                F_OVLAN_EN2 | F_IVLAN_EN,
+                                F_IVLAN_EN,
                                 F_OVLAN_EN0 | F_OVLAN_EN1 |
-                                F_OVLAN_EN2 | F_IVLAN_EN);
+                                F_IVLAN_EN);
        }
 
-       if (cxgbe_get_devargs(pdev->device.devargs, CXGBE_DEVARG_KEEP_OVLAN))
-               t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG,
-                                      V_RM_OVLAN(1), V_RM_OVLAN(0));
+       t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG, V_RM_OVLAN(1),
+                              V_RM_OVLAN(!adapter->devargs.keep_ovlan));
 }
 
 static void configure_pcie_ext_tag(struct adapter *adapter)
@@ -1134,20 +1163,10 @@ static int adap_init0(struct adapter *adap)
        /*
         * Grab some of our basic fundamental operating parameters.
         */
-#define FW_PARAM_DEV(param) \
-       (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \
-        V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param))
-
-#define FW_PARAM_PFVF(param) \
-       (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \
-        V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param) |  \
-        V_FW_PARAMS_PARAM_Y(0) | \
-        V_FW_PARAMS_PARAM_Z(0))
-
-       params[0] = FW_PARAM_PFVF(L2T_START);
-       params[1] = FW_PARAM_PFVF(L2T_END);
-       params[2] = FW_PARAM_PFVF(FILTER_START);
-       params[3] = FW_PARAM_PFVF(FILTER_END);
+       params[0] = CXGBE_FW_PARAM_PFVF(L2T_START);
+       params[1] = CXGBE_FW_PARAM_PFVF(L2T_END);
+       params[2] = CXGBE_FW_PARAM_PFVF(FILTER_START);
+       params[3] = CXGBE_FW_PARAM_PFVF(FILTER_END);
        ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 4, params, val);
        if (ret < 0)
                goto bye;
@@ -1156,8 +1175,8 @@ static int adap_init0(struct adapter *adap)
        adap->tids.ftid_base = val[2];
        adap->tids.nftids = val[3] - val[2] + 1;
 
-       params[0] = FW_PARAM_PFVF(CLIP_START);
-       params[1] = FW_PARAM_PFVF(CLIP_END);
+       params[0] = CXGBE_FW_PARAM_PFVF(CLIP_START);
+       params[1] = CXGBE_FW_PARAM_PFVF(CLIP_END);
        ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2, params, val);
        if (ret < 0)
                goto bye;
@@ -1187,14 +1206,23 @@ static int adap_init0(struct adapter *adap)
        if (is_t4(adap->params.chip)) {
                adap->params.filter2_wr_support = 0;
        } else {
-               params[0] = FW_PARAM_DEV(FILTER2_WR);
+               params[0] = CXGBE_FW_PARAM_DEV(FILTER2_WR);
                ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
                                      1, params, val);
                adap->params.filter2_wr_support = (ret == 0 && val[0] != 0);
        }
 
+       /* Check if FW supports returning vin.
+        * If this is not supported, driver will interpret
+        * these values from viid.
+        */
+       params[0] = CXGBE_FW_PARAM_DEV(OPAQUE_VIID_SMT_EXTN);
+       ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
+                             1, params, val);
+       adap->params.viid_smt_extn_support = (ret == 0 && val[0] != 0);
+
        /* query tid-related parameters */
-       params[0] = FW_PARAM_DEV(NTID);
+       params[0] = CXGBE_FW_PARAM_DEV(NTID);
        ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
                              params, val);
        if (ret < 0)
@@ -1207,7 +1235,7 @@ static int adap_init0(struct adapter *adap)
         * firmware won't understand this and we'll just get
         * unencapsulated messages ...
         */
-       params[0] = FW_PARAM_PFVF(CPLFW4MSG_ENCAP);
+       params[0] = CXGBE_FW_PARAM_PFVF(CPLFW4MSG_ENCAP);
        val[0] = 1;
        (void)t4_set_params(adap, adap->mbox, adap->pf, 0, 1, params, val);
 
@@ -1220,12 +1248,20 @@ static int adap_init0(struct adapter *adap)
        if (is_t4(adap->params.chip)) {
                adap->params.ulptx_memwrite_dsgl = false;
        } else {
-               params[0] = FW_PARAM_DEV(ULPTX_MEMWRITE_DSGL);
+               params[0] = CXGBE_FW_PARAM_DEV(ULPTX_MEMWRITE_DSGL);
                ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
                                      1, params, val);
                adap->params.ulptx_memwrite_dsgl = (ret == 0 && val[0] != 0);
        }
 
+       /* Query for max number of packets that can be coalesced for Tx */
+       params[0] = CXGBE_FW_PARAM_PFVF(MAX_PKTS_PER_ETH_TX_PKTS_WR);
+       ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params, val);
+       if (!ret && val[0] > 0)
+               adap->params.max_tx_coalesce_num = val[0];
+       else
+               adap->params.max_tx_coalesce_num = ETH_COALESCE_PKT_NUM;
+
        /*
         * The MTU/MSS Table is initialized by now, so load their values.  If
         * we're initializing the adapter, then we'll make any modifications
@@ -1323,14 +1359,10 @@ void t4_os_portmod_changed(const struct adapter *adap, int port_id)
 
 bool cxgbe_force_linkup(struct adapter *adap)
 {
-       struct rte_pci_device *pdev = adap->pdev;
-
        if (is_pf4(adap))
-               return false;   /* force_linkup not required for pf driver*/
-       if (!cxgbe_get_devargs(pdev->device.devargs,
-                              CXGBE_DEVARG_FORCE_LINK_UP))
-               return false;
-       return true;
+               return false;   /* force_linkup not required for pf driver */
+
+       return adap->devargs.force_link_up;
 }
 
 /**
@@ -1708,6 +1740,7 @@ void cxgbe_close(struct adapter *adapter)
                t4_cleanup_mpstcam(adapter);
                t4_cleanup_clip_tbl(adapter);
                t4_cleanup_l2t(adapter);
+               t4_cleanup_smt(adapter);
                if (is_pf4(adapter))
                        t4_intr_disable(adapter);
                t4_sge_tx_monitor_stop(adapter);
@@ -1726,13 +1759,45 @@ void cxgbe_close(struct adapter *adapter)
                t4_fw_bye(adapter, adapter->mbox);
 }
 
+static void adap_smt_index(struct adapter *adapter, u32 *smt_start_idx,
+                          u32 *smt_size)
+{
+       u32 params[2], smt_val[2];
+       int ret;
+
+       params[0] = CXGBE_FW_PARAM_PFVF(GET_SMT_START);
+       params[1] = CXGBE_FW_PARAM_PFVF(GET_SMT_SIZE);
+
+       ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
+                             2, params, smt_val);
+
+       /* if FW doesn't recognize this command then set it to default setting
+        * which is start index as 0 and size as 256.
+        */
+       if (ret < 0) {
+               *smt_start_idx = 0;
+               *smt_size = SMT_SIZE;
+       } else {
+               *smt_start_idx = smt_val[0];
+               /* smt size can be zero, if nsmt is not yet configured in
+                * the config file or set as zero, then configure all the
+                * remaining entries to this PF itself.
+                */
+               if (!smt_val[1])
+                       *smt_size = SMT_SIZE - *smt_start_idx;
+               else
+                       *smt_size = smt_val[1];
+       }
+}
+
 int cxgbe_probe(struct adapter *adapter)
 {
+       u32 smt_start_idx, smt_size;
        struct port_info *pi;
-       int chip;
        int func, i;
        int err = 0;
        u32 whoami;
+       int chip;
 
        whoami = t4_read_reg(adapter, A_PL_WHOAMI);
        chip = t4_get_chip_type(adapter,
@@ -1877,6 +1942,11 @@ allocate_mac:
                dev_warn(adapter, "could not allocate CLIP. Continuing\n");
        }
 
+       adap_smt_index(adapter, &smt_start_idx, &smt_size);
+       adapter->smt = t4_init_smt(smt_start_idx, smt_size);
+       if (!adapter->smt)
+               dev_warn(adapter, "could not allocate SMT, continuing\n");
+
        adapter->l2t = t4_init_l2t(adapter->l2t_start, adapter->l2t_end);
        if (!adapter->l2t) {
                /* We tolerate a lack of L2T, giving up some functionality */
@@ -1889,6 +1959,8 @@ allocate_mac:
                         "filter support disabled. Continuing\n");
        }
 
+       t4_os_lock_init(&adapter->flow_lock);
+
        adapter->mpstcam = t4_init_mpstcam(adapter);
        if (!adapter->mpstcam)
                dev_warn(adapter, "could not allocate mps tcam table."