#include "ice_protocol_type.h"
#include "ice_flow.h"
+/* For supporting double VLAN mode, it is necessary to enable or disable certain
+ * boost tcam entries. The metadata labels names that match the following
+ * prefixes will be saved to allow enabling double VLAN mode.
+ */
+#define ICE_DVM_PRE "BOOST_MAC_VLAN_DVM" /* enable these entries */
+#define ICE_SVM_PRE "BOOST_MAC_VLAN_SVM" /* disable these entries */
+
/* To support tunneling entries by PF, the package will append the PF number to
* the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
*/
+#define ICE_TNL_PRE "TNL_"
static const struct ice_tunnel_type_scan tnls[] = {
{ TNL_VXLAN, "TNL_VXLAN_PF" },
{ TNL_GENEVE, "TNL_GENEVE_PF" },
return label->name;
}
+/**
+ * ice_add_tunnel_hint
+ * @hw: pointer to the HW structure
+ * @label_name: label text
+ * @val: value of the tunnel port boost entry
+ */
+static void ice_add_tunnel_hint(struct ice_hw *hw, char *label_name, u16 val)
+{
+ if (hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
+ u16 i;
+
+ for (i = 0; tnls[i].type != TNL_LAST; i++) {
+ size_t len = strlen(tnls[i].label_prefix);
+
+ /* Look for matching label start, before continuing */
+ if (strncmp(label_name, tnls[i].label_prefix, len))
+ continue;
+
+ /* Make sure this label matches our PF. Note that the PF
+ * character ('0' - '7') will be located where our
+ * prefix string's null terminator is located.
+ */
+ if ((label_name[len] - '0') == hw->pf_id) {
+ hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
+ hw->tnl.tbl[hw->tnl.count].valid = false;
+ hw->tnl.tbl[hw->tnl.count].in_use = false;
+ hw->tnl.tbl[hw->tnl.count].marked = false;
+ hw->tnl.tbl[hw->tnl.count].boost_addr = val;
+ hw->tnl.tbl[hw->tnl.count].port = 0;
+ hw->tnl.count++;
+ break;
+ }
+ }
+ }
+}
+
+/**
+ * ice_add_dvm_hint
+ * @hw: pointer to the HW structure
+ * @val: value of the boost entry
+ * @enable: true if entry needs to be enabled, or false if needs to be disabled
+ */
+static void ice_add_dvm_hint(struct ice_hw *hw, u16 val, bool enable)
+{
+ if (hw->dvm_upd.count < ICE_DVM_MAX_ENTRIES) {
+ hw->dvm_upd.tbl[hw->dvm_upd.count].boost_addr = val;
+ hw->dvm_upd.tbl[hw->dvm_upd.count].enable = enable;
+ hw->dvm_upd.count++;
+ }
+}
+
/**
* ice_init_pkg_hints
* @hw: pointer to the HW structure
label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
&val);
- while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
- for (i = 0; tnls[i].type != TNL_LAST; i++) {
- size_t len = strlen(tnls[i].label_prefix);
+ while (label_name) {
+ if (!strncmp(label_name, ICE_TNL_PRE, strlen(ICE_TNL_PRE)))
+ /* check for a tunnel entry */
+ ice_add_tunnel_hint(hw, label_name, val);
- /* Look for matching label start, before continuing */
- if (strncmp(label_name, tnls[i].label_prefix, len))
- continue;
+ /* check for a dvm mode entry */
+ else if (!strncmp(label_name, ICE_DVM_PRE, strlen(ICE_DVM_PRE)))
+ ice_add_dvm_hint(hw, val, true);
- /* Make sure this label matches our PF. Note that the PF
- * character ('0' - '7') will be located where our
- * prefix string's null terminator is located.
- */
- if ((label_name[len] - '0') == hw->pf_id) {
- hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
- hw->tnl.tbl[hw->tnl.count].valid = false;
- hw->tnl.tbl[hw->tnl.count].in_use = false;
- hw->tnl.tbl[hw->tnl.count].marked = false;
- hw->tnl.tbl[hw->tnl.count].boost_addr = val;
- hw->tnl.tbl[hw->tnl.count].port = 0;
- hw->tnl.count++;
- break;
- }
- }
+ /* check for a svm mode entry */
+ else if (!strncmp(label_name, ICE_SVM_PRE, strlen(ICE_SVM_PRE)))
+ ice_add_dvm_hint(hw, val, false);
label_name = ice_enum_labels(NULL, 0, &state, &val);
}
- /* Cache the appropriate boost TCAM entry pointers */
+ /* Cache the appropriate boost TCAM entry pointers for tunnels */
for (i = 0; i < hw->tnl.count; i++) {
ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
&hw->tnl.tbl[i].boost_entry);
if (hw->tnl.tbl[i].boost_entry)
hw->tnl.tbl[i].valid = true;
}
+
+ /* Cache the appropriate boost TCAM entry pointers for DVM and SVM */
+ for (i = 0; i < hw->dvm_upd.count; i++)
+ ice_find_boost_entry(ice_seg, hw->dvm_upd.tbl[i].boost_addr,
+ &hw->dvm_upd.tbl[i].boost_entry);
}
/* Key creation */
}
/**
- * ice_update_pkg
+ * ice_update_pkg_no_lock
* @hw: pointer to the hardware structure
* @bufs: pointer to an array of buffers
* @count: the number of buffers in the array
- *
- * Obtains change lock and updates package.
*/
-enum ice_status
-ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
+static enum ice_status
+ice_update_pkg_no_lock(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
{
- enum ice_status status;
- u32 offset, info, i;
-
- status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
- if (status)
- return status;
+ enum ice_status status = ICE_SUCCESS;
+ u32 i;
for (i = 0; i < count; i++) {
struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
bool last = ((i + 1) == count);
+ u32 offset, info;
status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
last, &offset, &info, NULL);
}
}
+ return status;
+}
+
+/**
+ * ice_update_pkg
+ * @hw: pointer to the hardware structure
+ * @bufs: pointer to an array of buffers
+ * @count: the number of buffers in the array
+ *
+ * Obtains change lock and updates package.
+ */
+enum ice_status
+ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
+{
+ enum ice_status status;
+
+ status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
+ if (status)
+ return status;
+
+ status = ice_update_pkg_no_lock(hw, bufs, count);
+
ice_release_change_lock(hw);
return status;
return res;
}
+/**
+ * ice_upd_dvm_boost_entry
+ * @hw: pointer to the HW structure
+ * @entry: pointer to double vlan boost entry info
+ */
+static enum ice_status
+ice_upd_dvm_boost_entry(struct ice_hw *hw, struct ice_dvm_entry *entry)
+{
+ struct ice_boost_tcam_section *sect_rx, *sect_tx;
+ enum ice_status status = ICE_ERR_MAX_LIMIT;
+ struct ice_buf_build *bld;
+ u8 val, dc, nm;
+
+ bld = ice_pkg_buf_alloc(hw);
+ if (!bld)
+ return ICE_ERR_NO_MEMORY;
+
+ /* allocate 2 sections, one for Rx parser, one for Tx parser */
+ if (ice_pkg_buf_reserve_section(bld, 2))
+ goto ice_upd_dvm_boost_entry_err;
+
+ sect_rx = (struct ice_boost_tcam_section *)
+ ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
+ ice_struct_size(sect_rx, tcam, 1));
+ if (!sect_rx)
+ goto ice_upd_dvm_boost_entry_err;
+ sect_rx->count = CPU_TO_LE16(1);
+
+ sect_tx = (struct ice_boost_tcam_section *)
+ ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
+ ice_struct_size(sect_tx, tcam, 1));
+ if (!sect_tx)
+ goto ice_upd_dvm_boost_entry_err;
+ sect_tx->count = CPU_TO_LE16(1);
+
+ /* copy original boost entry to update package buffer */
+ ice_memcpy(sect_rx->tcam, entry->boost_entry, sizeof(*sect_rx->tcam),
+ ICE_NONDMA_TO_NONDMA);
+
+ /* re-write the don't care and never match bits accordingly */
+ if (entry->enable) {
+ /* all bits are don't care */
+ val = 0x00;
+ dc = 0xFF;
+ nm = 0x00;
+ } else {
+ /* disable, one never match bit, the rest are don't care */
+ val = 0x00;
+ dc = 0xF7;
+ nm = 0x08;
+ }
+
+ ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
+ &val, NULL, &dc, &nm, 0, sizeof(u8));
+
+ /* exact copy of entry to Tx section entry */
+ ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam),
+ ICE_NONDMA_TO_NONDMA);
+
+ status = ice_update_pkg_no_lock(hw, ice_pkg_buf(bld), 1);
+
+ice_upd_dvm_boost_entry_err:
+ ice_pkg_buf_free(hw, bld);
+
+ return status;
+}
+
+/**
+ * ice_set_dvm_boost_entries
+ * @hw: pointer to the HW structure
+ *
+ * Enable double vlan by updating the appropriate boost tcam entries.
+ */
+enum ice_status ice_set_dvm_boost_entries(struct ice_hw *hw)
+{
+ enum ice_status status;
+ u16 i;
+
+ for (i = 0; i < hw->dvm_upd.count; i++) {
+ status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]);
+ if (status)
+ return status;
+ }
+
+ return ICE_SUCCESS;
+}
+
/**
* ice_create_tunnel
* @hw: pointer to the HW structure