return true;
}
+/**
+ * ice_bitmap_from_array32 - copies u32 array source into bitmap destination
+ * @dst: the destination bitmap
+ * @src: the source u32 array
+ * @size: size of the bitmap (in bits)
+ *
+ * This function copies the src bitmap stored in an u32 array into the dst
+ * bitmap stored as an ice_bitmap_t.
+ */
+static inline void
+ice_bitmap_from_array32(ice_bitmap_t *dst, u32 *src, u16 size)
+{
+ u32 remaining_bits, i;
+
+#define BITS_PER_U32 (sizeof(u32) * BITS_PER_BYTE)
+ /* clear bitmap so we only have to set when iterating */
+ ice_zero_bitmap(dst, size);
+
+ for (i = 0; i < (u32)(size / BITS_PER_U32); i++) {
+ u32 bit_offset = i * BITS_PER_U32;
+ u32 entry = src[i];
+ u32 j;
+
+ for (j = 0; j < BITS_PER_U32; j++) {
+ if (entry & BIT(j))
+ ice_set_bit((u16)(j + bit_offset), dst);
+ }
+ }
+
+ /* still need to check the leftover bits (i.e. if size isn't evenly
+ * divisible by BITS_PER_U32
+ **/
+ remaining_bits = size % BITS_PER_U32;
+ if (remaining_bits) {
+ u32 bit_offset = i * BITS_PER_U32;
+ u32 entry = src[i];
+ u32 j;
+
+ for (j = 0; j < remaining_bits; j++) {
+ if (entry & BIT(j))
+ ice_set_bit((u16)(j + bit_offset), dst);
+ }
+ }
+}
+
#endif /* _ICE_BITOPS_H_ */
return status;
}
+/**
+ * ice_aq_upload_section
+ * @hw: pointer to the hardware structure
+ * @pkg_buf: the package buffer which will receive the section
+ * @buf_size: the size of the package buffer
+ * @cd: pointer to command details structure or NULL
+ *
+ * Upload Section (0x0C41)
+ */
+enum ice_status
+ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
+ u16 buf_size, struct ice_sq_cd *cd)
+{
+ struct ice_aq_desc desc;
+
+ ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section);
+ desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
+
+ return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
+}
+
/**
* ice_aq_update_pkg
* @hw: pointer to the hardware structure
*
* Frees a package buffer
*/
-static void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
+void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
{
ice_free(hw, bld);
}
return NULL;
}
+/**
+ * ice_pkg_buf_alloc_single_section
+ * @hw: pointer to the HW structure
+ * @type: the section type value
+ * @size: the size of the section to reserve (in bytes)
+ * @section: returns pointer to the section
+ *
+ * Allocates a package buffer with a single section.
+ * Note: all package contents must be in Little Endian form.
+ */
+struct ice_buf_build *
+ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
+ void **section)
+{
+ struct ice_buf_build *buf;
+
+ if (!section)
+ return NULL;
+
+ buf = ice_pkg_buf_alloc(hw);
+ if (!buf)
+ return NULL;
+
+ if (ice_pkg_buf_reserve_section(buf, 1))
+ goto ice_pkg_buf_alloc_single_section_err;
+
+ *section = ice_pkg_buf_alloc_section(buf, type, size);
+ if (!*section)
+ goto ice_pkg_buf_alloc_single_section_err;
+
+ return buf;
+
+ice_pkg_buf_alloc_single_section_err:
+ ice_pkg_buf_free(hw, buf);
+ return NULL;
+}
+
/**
* ice_pkg_buf_get_active_sections
* @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
*
* Return a pointer to the buffer's header
*/
-static struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
+struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
{
if (!bld)
return NULL;
enum ice_status
ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list);
+enum ice_status
+ice_pkg_buf_unreserve_section(struct ice_buf_build *bld, u16 count);
+u16 ice_pkg_buf_get_free_space(struct ice_buf_build *bld);
+enum ice_status
+ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
+ u16 buf_size, struct ice_sq_cd *cd);
bool
ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
u16 *port);
void ice_free_hw_tbls(struct ice_hw *hw);
enum ice_status
ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id);
+struct ice_buf_build *
+ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
+ void **section);
+struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld);
+void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld);
enum ice_status
ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
ICE_PROF_TUN_ALL = 0xE,
ICE_PROF_ALL = 0xFF,
};
+
+/* Number of bits/bytes contained in meta init entry. Note, this should be a
+ * multiple of 32 bits.
+ */
+#define ICE_META_INIT_BITS 192
+#define ICE_META_INIT_DW_CNT (ICE_META_INIT_BITS / (sizeof(__le32) * \
+ BITS_PER_BYTE))
+
+/* The meta init Flag field starts at this bit */
+#define ICE_META_FLAGS_ST 123
+
+/* The entry and bit to check for Double VLAN Mode (DVM) support */
+#define ICE_META_VLAN_MODE_ENTRY 0
+#define ICE_META_FLAG_VLAN_MODE 60
+#define ICE_META_VLAN_MODE_BIT (ICE_META_FLAGS_ST + \
+ ICE_META_FLAG_VLAN_MODE)
+
+struct ice_meta_init_entry {
+ __le32 bm[ICE_META_INIT_DW_CNT];
+};
+
+struct ice_meta_init_section {
+ __le16 count;
+ __le16 offset;
+ struct ice_meta_init_entry entry[1];
+};
#endif /* _ICE_FLEX_TYPE_H_ */
#include "ice_vlan_mode.h"
#include "ice_common.h"
+/**
+ * ice_pkg_supports_dvm - determine if DDP supports Double VLAN mode (DVM)
+ * @hw: pointer to the HW struct
+ * @dvm: output variable to determine if DDP supports DVM(true) or SVM(false)
+ */
+static enum ice_status
+ice_pkg_get_supported_vlan_mode(struct ice_hw *hw, bool *dvm)
+{
+ u16 meta_init_size = sizeof(struct ice_meta_init_section);
+ struct ice_meta_init_section *sect;
+ struct ice_buf_build *bld;
+ enum ice_status status;
+
+ /* if anything fails, we assume there is no DVM support */
+ *dvm = false;
+
+ bld = ice_pkg_buf_alloc_single_section(hw,
+ ICE_SID_RXPARSER_METADATA_INIT,
+ meta_init_size, (void **)§);
+ if (!bld)
+ return ICE_ERR_NO_MEMORY;
+
+ /* only need to read a single section */
+ sect->count = CPU_TO_LE16(1);
+ sect->offset = CPU_TO_LE16(ICE_META_VLAN_MODE_ENTRY);
+
+ status = ice_aq_upload_section(hw,
+ (struct ice_buf_hdr *)ice_pkg_buf(bld),
+ ICE_PKG_BUF_SIZE, NULL);
+ if (!status) {
+ ice_declare_bitmap(entry, ICE_META_INIT_BITS);
+ u32 arr[ICE_META_INIT_DW_CNT];
+ u16 i;
+
+ /* convert to host bitmap format */
+ for (i = 0; i < ICE_META_INIT_DW_CNT; i++)
+ arr[i] = LE32_TO_CPU(sect->entry[0].bm[i]);
+
+ ice_bitmap_from_array32(entry, arr, (u16)ICE_META_INIT_BITS);
+
+ /* check if DVM is supported */
+ *dvm = ice_is_bit_set(entry, ICE_META_VLAN_MODE_BIT);
+ }
+
+ ice_pkg_buf_free(hw, bld);
+
+ return status;
+}
+
+/**
+ * ice_is_dvm_supported - check if double VLAN mode is supported based on DDP
+ * @hw: pointer to the hardware structure
+ *
+ * Returns true if DVM is supported and false if only SVM is supported. This
+ * function should only be called while the global config lock is held and after
+ * the package has been successfully downloaded.
+ */
+static bool ice_is_dvm_supported(struct ice_hw *hw)
+{
+ enum ice_status status;
+ bool pkg_supports_dvm;
+
+ status = ice_pkg_get_supported_vlan_mode(hw, &pkg_supports_dvm);
+ if (status) {
+ ice_debug(hw, ICE_DBG_PKG, "Failed to get supported VLAN mode, err %d\n",
+ status);
+ return false;
+ }
+
+ if (!pkg_supports_dvm)
+ return false;
+
+ return true;
+}
+
/**
* ice_set_svm - set single VLAN mode
* @hw: pointer to the HW structure
{
enum ice_status status = ICE_ERR_NOT_IMPL;
+ if (!ice_is_dvm_supported(hw))
+ return ICE_SUCCESS;
+
if (hw->vlan_mode_ops.set_dvm)
status = hw->vlan_mode_ops.set_dvm(hw);
git.droids-corp.org / dpdk.git / commitdiff