diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flex_pipe.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 2236 |
1 files changed, 246 insertions, 1990 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c index 4b3bb19e1d06..c0dbec369366 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -6,23 +6,6 @@ #include "ice_flow.h" #include "ice.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" }, - { TNL_LAST, "" } -}; - static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = { /* SWITCH */ { @@ -104,225 +87,6 @@ static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect) } /** - * ice_pkg_val_buf - * @buf: pointer to the ice buffer - * - * This helper function validates a buffer's header. - */ -static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf) -{ - struct ice_buf_hdr *hdr; - u16 section_count; - u16 data_end; - - hdr = (struct ice_buf_hdr *)buf->buf; - /* verify data */ - section_count = le16_to_cpu(hdr->section_count); - if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT) - return NULL; - - data_end = le16_to_cpu(hdr->data_end); - if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END) - return NULL; - - return hdr; -} - -/** - * ice_find_buf_table - * @ice_seg: pointer to the ice segment - * - * Returns the address of the buffer table within the ice segment. - */ -static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg) -{ - struct ice_nvm_table *nvms; - - nvms = (struct ice_nvm_table *) - (ice_seg->device_table + - le32_to_cpu(ice_seg->device_table_count)); - - return (__force struct ice_buf_table *) - (nvms->vers + le32_to_cpu(nvms->table_count)); -} - -/** - * ice_pkg_enum_buf - * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) - * @state: pointer to the enum state - * - * This function will enumerate all the buffers in the ice segment. The first - * call is made with the ice_seg parameter non-NULL; on subsequent calls, - * ice_seg is set to NULL which continues the enumeration. When the function - * returns a NULL pointer, then the end of the buffers has been reached, or an - * unexpected value has been detected (for example an invalid section count or - * an invalid buffer end value). - */ -static struct ice_buf_hdr * -ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state) -{ - if (ice_seg) { - state->buf_table = ice_find_buf_table(ice_seg); - if (!state->buf_table) - return NULL; - - state->buf_idx = 0; - return ice_pkg_val_buf(state->buf_table->buf_array); - } - - if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count)) - return ice_pkg_val_buf(state->buf_table->buf_array + - state->buf_idx); - else - return NULL; -} - -/** - * ice_pkg_advance_sect - * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) - * @state: pointer to the enum state - * - * This helper function will advance the section within the ice segment, - * also advancing the buffer if needed. - */ -static bool -ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state) -{ - if (!ice_seg && !state->buf) - return false; - - if (!ice_seg && state->buf) - if (++state->sect_idx < le16_to_cpu(state->buf->section_count)) - return true; - - state->buf = ice_pkg_enum_buf(ice_seg, state); - if (!state->buf) - return false; - - /* start of new buffer, reset section index */ - state->sect_idx = 0; - return true; -} - -/** - * ice_pkg_enum_section - * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) - * @state: pointer to the enum state - * @sect_type: section type to enumerate - * - * This function will enumerate all the sections of a particular type in the - * ice segment. The first call is made with the ice_seg parameter non-NULL; - * on subsequent calls, ice_seg is set to NULL which continues the enumeration. - * When the function returns a NULL pointer, then the end of the matching - * sections has been reached. - */ -static void * -ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state, - u32 sect_type) -{ - u16 offset, size; - - if (ice_seg) - state->type = sect_type; - - if (!ice_pkg_advance_sect(ice_seg, state)) - return NULL; - - /* scan for next matching section */ - while (state->buf->section_entry[state->sect_idx].type != - cpu_to_le32(state->type)) - if (!ice_pkg_advance_sect(NULL, state)) - return NULL; - - /* validate section */ - offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset); - if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF) - return NULL; - - size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size); - if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ) - return NULL; - - /* make sure the section fits in the buffer */ - if (offset + size > ICE_PKG_BUF_SIZE) - return NULL; - - state->sect_type = - le32_to_cpu(state->buf->section_entry[state->sect_idx].type); - - /* calc pointer to this section */ - state->sect = ((u8 *)state->buf) + - le16_to_cpu(state->buf->section_entry[state->sect_idx].offset); - - return state->sect; -} - -/** - * ice_pkg_enum_entry - * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) - * @state: pointer to the enum state - * @sect_type: section type to enumerate - * @offset: pointer to variable that receives the offset in the table (optional) - * @handler: function that handles access to the entries into the section type - * - * This function will enumerate all the entries in particular section type in - * the ice segment. The first call is made with the ice_seg parameter non-NULL; - * on subsequent calls, ice_seg is set to NULL which continues the enumeration. - * When the function returns a NULL pointer, then the end of the entries has - * been reached. - * - * Since each section may have a different header and entry size, the handler - * function is needed to determine the number and location entries in each - * section. - * - * The offset parameter is optional, but should be used for sections that - * contain an offset for each section table. For such cases, the section handler - * function must return the appropriate offset + index to give the absolution - * offset for each entry. For example, if the base for a section's header - * indicates a base offset of 10, and the index for the entry is 2, then - * section handler function should set the offset to 10 + 2 = 12. - */ -static void * -ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state, - u32 sect_type, u32 *offset, - void *(*handler)(u32 sect_type, void *section, - u32 index, u32 *offset)) -{ - void *entry; - - if (ice_seg) { - if (!handler) - return NULL; - - if (!ice_pkg_enum_section(ice_seg, state, sect_type)) - return NULL; - - state->entry_idx = 0; - state->handler = handler; - } else { - state->entry_idx++; - } - - if (!state->handler) - return NULL; - - /* get entry */ - entry = state->handler(state->sect_type, state->sect, state->entry_idx, - offset); - if (!entry) { - /* end of a section, look for another section of this type */ - if (!ice_pkg_enum_section(NULL, state, 0)) - return NULL; - - state->entry_idx = 0; - entry = state->handler(state->sect_type, state->sect, - state->entry_idx, offset); - } - - return entry; -} - -/** * ice_hw_ptype_ena - check if the PTYPE is enabled or not * @hw: pointer to the HW structure * @ptype: the hardware PTYPE @@ -333,312 +97,6 @@ bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype) test_bit(ptype, hw->hw_ptype); } -/** - * ice_marker_ptype_tcam_handler - * @sect_type: section type - * @section: pointer to section - * @index: index of the Marker PType TCAM entry to be returned - * @offset: pointer to receive absolute offset, always 0 for ptype TCAM sections - * - * This is a callback function that can be passed to ice_pkg_enum_entry. - * Handles enumeration of individual Marker PType TCAM entries. - */ -static void * -ice_marker_ptype_tcam_handler(u32 sect_type, void *section, u32 index, - u32 *offset) -{ - struct ice_marker_ptype_tcam_section *marker_ptype; - - if (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE) - return NULL; - - if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF) - return NULL; - - if (offset) - *offset = 0; - - marker_ptype = section; - if (index >= le16_to_cpu(marker_ptype->count)) - return NULL; - - return marker_ptype->tcam + index; -} - -/** - * ice_fill_hw_ptype - fill the enabled PTYPE bit information - * @hw: pointer to the HW structure - */ -static void ice_fill_hw_ptype(struct ice_hw *hw) -{ - struct ice_marker_ptype_tcam_entry *tcam; - struct ice_seg *seg = hw->seg; - struct ice_pkg_enum state; - - bitmap_zero(hw->hw_ptype, ICE_FLOW_PTYPE_MAX); - if (!seg) - return; - - memset(&state, 0, sizeof(state)); - - do { - tcam = ice_pkg_enum_entry(seg, &state, - ICE_SID_RXPARSER_MARKER_PTYPE, NULL, - ice_marker_ptype_tcam_handler); - if (tcam && - le16_to_cpu(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX && - le16_to_cpu(tcam->ptype) < ICE_FLOW_PTYPE_MAX) - set_bit(le16_to_cpu(tcam->ptype), hw->hw_ptype); - - seg = NULL; - } while (tcam); -} - -/** - * ice_boost_tcam_handler - * @sect_type: section type - * @section: pointer to section - * @index: index of the boost TCAM entry to be returned - * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections - * - * This is a callback function that can be passed to ice_pkg_enum_entry. - * Handles enumeration of individual boost TCAM entries. - */ -static void * -ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset) -{ - struct ice_boost_tcam_section *boost; - - if (!section) - return NULL; - - if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM) - return NULL; - - /* cppcheck-suppress nullPointer */ - if (index > ICE_MAX_BST_TCAMS_IN_BUF) - return NULL; - - if (offset) - *offset = 0; - - boost = section; - if (index >= le16_to_cpu(boost->count)) - return NULL; - - return boost->tcam + index; -} - -/** - * ice_find_boost_entry - * @ice_seg: pointer to the ice segment (non-NULL) - * @addr: Boost TCAM address of entry to search for - * @entry: returns pointer to the entry - * - * Finds a particular Boost TCAM entry and returns a pointer to that entry - * if it is found. The ice_seg parameter must not be NULL since the first call - * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure. - */ -static int -ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr, - struct ice_boost_tcam_entry **entry) -{ - struct ice_boost_tcam_entry *tcam; - struct ice_pkg_enum state; - - memset(&state, 0, sizeof(state)); - - if (!ice_seg) - return -EINVAL; - - do { - tcam = ice_pkg_enum_entry(ice_seg, &state, - ICE_SID_RXPARSER_BOOST_TCAM, NULL, - ice_boost_tcam_handler); - if (tcam && le16_to_cpu(tcam->addr) == addr) { - *entry = tcam; - return 0; - } - - ice_seg = NULL; - } while (tcam); - - *entry = NULL; - return -EIO; -} - -/** - * ice_label_enum_handler - * @sect_type: section type - * @section: pointer to section - * @index: index of the label entry to be returned - * @offset: pointer to receive absolute offset, always zero for label sections - * - * This is a callback function that can be passed to ice_pkg_enum_entry. - * Handles enumeration of individual label entries. - */ -static void * -ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index, - u32 *offset) -{ - struct ice_label_section *labels; - - if (!section) - return NULL; - - /* cppcheck-suppress nullPointer */ - if (index > ICE_MAX_LABELS_IN_BUF) - return NULL; - - if (offset) - *offset = 0; - - labels = section; - if (index >= le16_to_cpu(labels->count)) - return NULL; - - return labels->label + index; -} - -/** - * ice_enum_labels - * @ice_seg: pointer to the ice segment (NULL on subsequent calls) - * @type: the section type that will contain the label (0 on subsequent calls) - * @state: ice_pkg_enum structure that will hold the state of the enumeration - * @value: pointer to a value that will return the label's value if found - * - * Enumerates a list of labels in the package. The caller will call - * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call - * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL - * the end of the list has been reached. - */ -static char * -ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state, - u16 *value) -{ - struct ice_label *label; - - /* Check for valid label section on first call */ - if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST)) - return NULL; - - label = ice_pkg_enum_entry(ice_seg, state, type, NULL, - ice_label_enum_handler); - if (!label) - return NULL; - - *value = le16_to_cpu(label->value); - 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].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 - * @ice_seg: pointer to the segment of the package scan (non-NULL) - * - * This function will scan the package and save off relevant information - * (hints or metadata) for driver use. The ice_seg parameter must not be NULL - * since the first call to ice_enum_labels requires a pointer to an actual - * ice_seg structure. - */ -static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) -{ - struct ice_pkg_enum state; - char *label_name; - u16 val; - int i; - - memset(&hw->tnl, 0, sizeof(hw->tnl)); - memset(&state, 0, sizeof(state)); - - if (!ice_seg) - return; - - label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state, - &val); - - 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); - - /* 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); - - /* 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 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; - if (hw->tnl.tbl[i].type < __TNL_TYPE_CNT) - hw->tnl.valid_count[hw->tnl.tbl[i].type]++; - } - } - - /* 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 */ #define ICE_DC_KEY 0x1 /* don't care */ @@ -810,51 +268,6 @@ ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, } /** - * ice_acquire_global_cfg_lock - * @hw: pointer to the HW structure - * @access: access type (read or write) - * - * This function will request ownership of the global config lock for reading - * or writing of the package. When attempting to obtain write access, the - * caller must check for the following two return values: - * - * 0 - Means the caller has acquired the global config lock - * and can perform writing of the package. - * -EALREADY - Indicates another driver has already written the - * package or has found that no update was necessary; in - * this case, the caller can just skip performing any - * update of the package. - */ -static int -ice_acquire_global_cfg_lock(struct ice_hw *hw, - enum ice_aq_res_access_type access) -{ - int status; - - status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access, - ICE_GLOBAL_CFG_LOCK_TIMEOUT); - - if (!status) - mutex_lock(&ice_global_cfg_lock_sw); - else if (status == -EALREADY) - ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n"); - - return status; -} - -/** - * ice_release_global_cfg_lock - * @hw: pointer to the HW structure - * - * This function will release the global config lock. - */ -static void ice_release_global_cfg_lock(struct ice_hw *hw) -{ - mutex_unlock(&ice_global_cfg_lock_sw); - ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID); -} - -/** * ice_acquire_change_lock * @hw: pointer to the HW structure * @access: access type (read or write) @@ -880,1325 +293,6 @@ void ice_release_change_lock(struct ice_hw *hw) } /** - * ice_aq_download_pkg - * @hw: pointer to the hardware structure - * @pkg_buf: the package buffer to transfer - * @buf_size: the size of the package buffer - * @last_buf: last buffer indicator - * @error_offset: returns error offset - * @error_info: returns error information - * @cd: pointer to command details structure or NULL - * - * Download Package (0x0C40) - */ -static int -ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, - u16 buf_size, bool last_buf, u32 *error_offset, - u32 *error_info, struct ice_sq_cd *cd) -{ - struct ice_aqc_download_pkg *cmd; - struct ice_aq_desc desc; - int status; - - if (error_offset) - *error_offset = 0; - if (error_info) - *error_info = 0; - - cmd = &desc.params.download_pkg; - ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg); - desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); - - if (last_buf) - cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; - - status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); - if (status == -EIO) { - /* Read error from buffer only when the FW returned an error */ - struct ice_aqc_download_pkg_resp *resp; - - resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; - if (error_offset) - *error_offset = le32_to_cpu(resp->error_offset); - if (error_info) - *error_info = le32_to_cpu(resp->error_info); - } - - 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) - */ -int -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_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 - * @pkg_buf: the package cmd buffer - * @buf_size: the size of the package cmd buffer - * @last_buf: last buffer indicator - * @error_offset: returns error offset - * @error_info: returns error information - * @cd: pointer to command details structure or NULL - * - * Update Package (0x0C42) - */ -static int -ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size, - bool last_buf, u32 *error_offset, u32 *error_info, - struct ice_sq_cd *cd) -{ - struct ice_aqc_download_pkg *cmd; - struct ice_aq_desc desc; - int status; - - if (error_offset) - *error_offset = 0; - if (error_info) - *error_info = 0; - - cmd = &desc.params.download_pkg; - ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg); - desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); - - if (last_buf) - cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; - - status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); - if (status == -EIO) { - /* Read error from buffer only when the FW returned an error */ - struct ice_aqc_download_pkg_resp *resp; - - resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; - if (error_offset) - *error_offset = le32_to_cpu(resp->error_offset); - if (error_info) - *error_info = le32_to_cpu(resp->error_info); - } - - return status; -} - -/** - * ice_find_seg_in_pkg - * @hw: pointer to the hardware structure - * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK) - * @pkg_hdr: pointer to the package header to be searched - * - * This function searches a package file for a particular segment type. On - * success it returns a pointer to the segment header, otherwise it will - * return NULL. - */ -static struct ice_generic_seg_hdr * -ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type, - struct ice_pkg_hdr *pkg_hdr) -{ - u32 i; - - ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n", - pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor, - pkg_hdr->pkg_format_ver.update, - pkg_hdr->pkg_format_ver.draft); - - /* Search all package segments for the requested segment type */ - for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) { - struct ice_generic_seg_hdr *seg; - - seg = (struct ice_generic_seg_hdr *) - ((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i])); - - if (le32_to_cpu(seg->seg_type) == seg_type) - return seg; - } - - return NULL; -} - -/** - * 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 - */ -static int -ice_update_pkg_no_lock(struct ice_hw *hw, struct ice_buf *bufs, u32 count) -{ - int status = 0; - 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); - - if (status) { - ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n", - status, offset, info); - break; - } - } - - 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. - */ -static int ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count) -{ - int 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; -} - -static enum ice_ddp_state ice_map_aq_err_to_ddp_state(enum ice_aq_err aq_err) -{ - switch (aq_err) { - case ICE_AQ_RC_ENOSEC: - case ICE_AQ_RC_EBADSIG: - return ICE_DDP_PKG_FILE_SIGNATURE_INVALID; - case ICE_AQ_RC_ESVN: - return ICE_DDP_PKG_FILE_REVISION_TOO_LOW; - case ICE_AQ_RC_EBADMAN: - case ICE_AQ_RC_EBADBUF: - return ICE_DDP_PKG_LOAD_ERROR; - default: - return ICE_DDP_PKG_ERR; - } -} - -/** - * ice_dwnld_cfg_bufs - * @hw: pointer to the hardware structure - * @bufs: pointer to an array of buffers - * @count: the number of buffers in the array - * - * Obtains global config lock and downloads the package configuration buffers - * to the firmware. Metadata buffers are skipped, and the first metadata buffer - * found indicates that the rest of the buffers are all metadata buffers. - */ -static enum ice_ddp_state -ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) -{ - enum ice_ddp_state state = ICE_DDP_PKG_SUCCESS; - struct ice_buf_hdr *bh; - enum ice_aq_err err; - u32 offset, info, i; - int status; - - if (!bufs || !count) - return ICE_DDP_PKG_ERR; - - /* If the first buffer's first section has its metadata bit set - * then there are no buffers to be downloaded, and the operation is - * considered a success. - */ - bh = (struct ice_buf_hdr *)bufs; - if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF) - return ICE_DDP_PKG_SUCCESS; - - status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); - if (status) { - if (status == -EALREADY) - return ICE_DDP_PKG_ALREADY_LOADED; - return ice_map_aq_err_to_ddp_state(hw->adminq.sq_last_status); - } - - for (i = 0; i < count; i++) { - bool last = ((i + 1) == count); - - if (!last) { - /* check next buffer for metadata flag */ - bh = (struct ice_buf_hdr *)(bufs + i + 1); - - /* A set metadata flag in the next buffer will signal - * that the current buffer will be the last buffer - * downloaded - */ - if (le16_to_cpu(bh->section_count)) - if (le32_to_cpu(bh->section_entry[0].type) & - ICE_METADATA_BUF) - last = true; - } - - bh = (struct ice_buf_hdr *)(bufs + i); - - status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last, - &offset, &info, NULL); - - /* Save AQ status from download package */ - if (status) { - ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n", - status, offset, info); - err = hw->adminq.sq_last_status; - state = ice_map_aq_err_to_ddp_state(err); - break; - } - - if (last) - break; - } - - if (!status) { - status = ice_set_vlan_mode(hw); - if (status) - ice_debug(hw, ICE_DBG_PKG, "Failed to set VLAN mode: err %d\n", - status); - } - - ice_release_global_cfg_lock(hw); - - return state; -} - -/** - * ice_aq_get_pkg_info_list - * @hw: pointer to the hardware structure - * @pkg_info: the buffer which will receive the information list - * @buf_size: the size of the pkg_info information buffer - * @cd: pointer to command details structure or NULL - * - * Get Package Info List (0x0C43) - */ -static int -ice_aq_get_pkg_info_list(struct ice_hw *hw, - struct ice_aqc_get_pkg_info_resp *pkg_info, - u16 buf_size, struct ice_sq_cd *cd) -{ - struct ice_aq_desc desc; - - ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list); - - return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd); -} - -/** - * ice_download_pkg - * @hw: pointer to the hardware structure - * @ice_seg: pointer to the segment of the package to be downloaded - * - * Handles the download of a complete package. - */ -static enum ice_ddp_state -ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg) -{ - struct ice_buf_table *ice_buf_tbl; - int status; - - ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n", - ice_seg->hdr.seg_format_ver.major, - ice_seg->hdr.seg_format_ver.minor, - ice_seg->hdr.seg_format_ver.update, - ice_seg->hdr.seg_format_ver.draft); - - ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n", - le32_to_cpu(ice_seg->hdr.seg_type), - le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id); - - ice_buf_tbl = ice_find_buf_table(ice_seg); - - ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n", - le32_to_cpu(ice_buf_tbl->buf_count)); - - status = ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array, - le32_to_cpu(ice_buf_tbl->buf_count)); - - ice_post_pkg_dwnld_vlan_mode_cfg(hw); - - return status; -} - -/** - * ice_init_pkg_info - * @hw: pointer to the hardware structure - * @pkg_hdr: pointer to the driver's package hdr - * - * Saves off the package details into the HW structure. - */ -static enum ice_ddp_state -ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr) -{ - struct ice_generic_seg_hdr *seg_hdr; - - if (!pkg_hdr) - return ICE_DDP_PKG_ERR; - - seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr); - if (seg_hdr) { - struct ice_meta_sect *meta; - struct ice_pkg_enum state; - - memset(&state, 0, sizeof(state)); - - /* Get package information from the Metadata Section */ - meta = ice_pkg_enum_section((struct ice_seg *)seg_hdr, &state, - ICE_SID_METADATA); - if (!meta) { - ice_debug(hw, ICE_DBG_INIT, "Did not find ice metadata section in package\n"); - return ICE_DDP_PKG_INVALID_FILE; - } - - hw->pkg_ver = meta->ver; - memcpy(hw->pkg_name, meta->name, sizeof(meta->name)); - - ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n", - meta->ver.major, meta->ver.minor, meta->ver.update, - meta->ver.draft, meta->name); - - hw->ice_seg_fmt_ver = seg_hdr->seg_format_ver; - memcpy(hw->ice_seg_id, seg_hdr->seg_id, - sizeof(hw->ice_seg_id)); - - ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n", - seg_hdr->seg_format_ver.major, - seg_hdr->seg_format_ver.minor, - seg_hdr->seg_format_ver.update, - seg_hdr->seg_format_ver.draft, - seg_hdr->seg_id); - } else { - ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n"); - return ICE_DDP_PKG_INVALID_FILE; - } - - return ICE_DDP_PKG_SUCCESS; -} - -/** - * ice_get_pkg_info - * @hw: pointer to the hardware structure - * - * Store details of the package currently loaded in HW into the HW structure. - */ -static enum ice_ddp_state ice_get_pkg_info(struct ice_hw *hw) -{ - enum ice_ddp_state state = ICE_DDP_PKG_SUCCESS; - struct ice_aqc_get_pkg_info_resp *pkg_info; - u16 size; - u32 i; - - size = struct_size(pkg_info, pkg_info, ICE_PKG_CNT); - pkg_info = kzalloc(size, GFP_KERNEL); - if (!pkg_info) - return ICE_DDP_PKG_ERR; - - if (ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL)) { - state = ICE_DDP_PKG_ERR; - goto init_pkg_free_alloc; - } - - for (i = 0; i < le32_to_cpu(pkg_info->count); i++) { -#define ICE_PKG_FLAG_COUNT 4 - char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 }; - u8 place = 0; - - if (pkg_info->pkg_info[i].is_active) { - flags[place++] = 'A'; - hw->active_pkg_ver = pkg_info->pkg_info[i].ver; - hw->active_track_id = - le32_to_cpu(pkg_info->pkg_info[i].track_id); - memcpy(hw->active_pkg_name, - pkg_info->pkg_info[i].name, - sizeof(pkg_info->pkg_info[i].name)); - hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm; - } - if (pkg_info->pkg_info[i].is_active_at_boot) - flags[place++] = 'B'; - if (pkg_info->pkg_info[i].is_modified) - flags[place++] = 'M'; - if (pkg_info->pkg_info[i].is_in_nvm) - flags[place++] = 'N'; - - ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n", - i, pkg_info->pkg_info[i].ver.major, - pkg_info->pkg_info[i].ver.minor, - pkg_info->pkg_info[i].ver.update, - pkg_info->pkg_info[i].ver.draft, - pkg_info->pkg_info[i].name, flags); - } - -init_pkg_free_alloc: - kfree(pkg_info); - - return state; -} - -/** - * ice_verify_pkg - verify package - * @pkg: pointer to the package buffer - * @len: size of the package buffer - * - * Verifies various attributes of the package file, including length, format - * version, and the requirement of at least one segment. - */ -static enum ice_ddp_state ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len) -{ - u32 seg_count; - u32 i; - - if (len < struct_size(pkg, seg_offset, 1)) - return ICE_DDP_PKG_INVALID_FILE; - - if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ || - pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR || - pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD || - pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT) - return ICE_DDP_PKG_INVALID_FILE; - - /* pkg must have at least one segment */ - seg_count = le32_to_cpu(pkg->seg_count); - if (seg_count < 1) - return ICE_DDP_PKG_INVALID_FILE; - - /* make sure segment array fits in package length */ - if (len < struct_size(pkg, seg_offset, seg_count)) - return ICE_DDP_PKG_INVALID_FILE; - - /* all segments must fit within length */ - for (i = 0; i < seg_count; i++) { - u32 off = le32_to_cpu(pkg->seg_offset[i]); - struct ice_generic_seg_hdr *seg; - - /* segment header must fit */ - if (len < off + sizeof(*seg)) - return ICE_DDP_PKG_INVALID_FILE; - - seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off); - - /* segment body must fit */ - if (len < off + le32_to_cpu(seg->seg_size)) - return ICE_DDP_PKG_INVALID_FILE; - } - - return ICE_DDP_PKG_SUCCESS; -} - -/** - * ice_free_seg - free package segment pointer - * @hw: pointer to the hardware structure - * - * Frees the package segment pointer in the proper manner, depending on if the - * segment was allocated or just the passed in pointer was stored. - */ -void ice_free_seg(struct ice_hw *hw) -{ - if (hw->pkg_copy) { - devm_kfree(ice_hw_to_dev(hw), hw->pkg_copy); - hw->pkg_copy = NULL; - hw->pkg_size = 0; - } - hw->seg = NULL; -} - -/** - * ice_init_pkg_regs - initialize additional package registers - * @hw: pointer to the hardware structure - */ -static void ice_init_pkg_regs(struct ice_hw *hw) -{ -#define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF -#define ICE_SW_BLK_INP_MASK_H 0x0000FFFF -#define ICE_SW_BLK_IDX 0 - - /* setup Switch block input mask, which is 48-bits in two parts */ - wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L); - wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H); -} - -/** - * ice_chk_pkg_version - check package version for compatibility with driver - * @pkg_ver: pointer to a version structure to check - * - * Check to make sure that the package about to be downloaded is compatible with - * the driver. To be compatible, the major and minor components of the package - * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR - * definitions. - */ -static enum ice_ddp_state ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver) -{ - if (pkg_ver->major > ICE_PKG_SUPP_VER_MAJ || - (pkg_ver->major == ICE_PKG_SUPP_VER_MAJ && - pkg_ver->minor > ICE_PKG_SUPP_VER_MNR)) - return ICE_DDP_PKG_FILE_VERSION_TOO_HIGH; - else if (pkg_ver->major < ICE_PKG_SUPP_VER_MAJ || - (pkg_ver->major == ICE_PKG_SUPP_VER_MAJ && - pkg_ver->minor < ICE_PKG_SUPP_VER_MNR)) - return ICE_DDP_PKG_FILE_VERSION_TOO_LOW; - - return ICE_DDP_PKG_SUCCESS; -} - -/** - * ice_chk_pkg_compat - * @hw: pointer to the hardware structure - * @ospkg: pointer to the package hdr - * @seg: pointer to the package segment hdr - * - * This function checks the package version compatibility with driver and NVM - */ -static enum ice_ddp_state -ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg, - struct ice_seg **seg) -{ - struct ice_aqc_get_pkg_info_resp *pkg; - enum ice_ddp_state state; - u16 size; - u32 i; - - /* Check package version compatibility */ - state = ice_chk_pkg_version(&hw->pkg_ver); - if (state) { - ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n"); - return state; - } - - /* find ICE segment in given package */ - *seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, - ospkg); - if (!*seg) { - ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n"); - return ICE_DDP_PKG_INVALID_FILE; - } - - /* Check if FW is compatible with the OS package */ - size = struct_size(pkg, pkg_info, ICE_PKG_CNT); - pkg = kzalloc(size, GFP_KERNEL); - if (!pkg) - return ICE_DDP_PKG_ERR; - - if (ice_aq_get_pkg_info_list(hw, pkg, size, NULL)) { - state = ICE_DDP_PKG_LOAD_ERROR; - goto fw_ddp_compat_free_alloc; - } - - for (i = 0; i < le32_to_cpu(pkg->count); i++) { - /* loop till we find the NVM package */ - if (!pkg->pkg_info[i].is_in_nvm) - continue; - if ((*seg)->hdr.seg_format_ver.major != - pkg->pkg_info[i].ver.major || - (*seg)->hdr.seg_format_ver.minor > - pkg->pkg_info[i].ver.minor) { - state = ICE_DDP_PKG_FW_MISMATCH; - ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n"); - } - /* done processing NVM package so break */ - break; - } -fw_ddp_compat_free_alloc: - kfree(pkg); - return state; -} - -/** - * ice_sw_fv_handler - * @sect_type: section type - * @section: pointer to section - * @index: index of the field vector entry to be returned - * @offset: ptr to variable that receives the offset in the field vector table - * - * This is a callback function that can be passed to ice_pkg_enum_entry. - * This function treats the given section as of type ice_sw_fv_section and - * enumerates offset field. "offset" is an index into the field vector table. - */ -static void * -ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset) -{ - struct ice_sw_fv_section *fv_section = section; - - if (!section || sect_type != ICE_SID_FLD_VEC_SW) - return NULL; - if (index >= le16_to_cpu(fv_section->count)) - return NULL; - if (offset) - /* "index" passed in to this function is relative to a given - * 4k block. To get to the true index into the field vector - * table need to add the relative index to the base_offset - * field of this section - */ - *offset = le16_to_cpu(fv_section->base_offset) + index; - return fv_section->fv + index; -} - -/** - * ice_get_prof_index_max - get the max profile index for used profile - * @hw: pointer to the HW struct - * - * Calling this function will get the max profile index for used profile - * and store the index number in struct ice_switch_info *switch_info - * in HW for following use. - */ -static int ice_get_prof_index_max(struct ice_hw *hw) -{ - u16 prof_index = 0, j, max_prof_index = 0; - struct ice_pkg_enum state; - struct ice_seg *ice_seg; - bool flag = false; - struct ice_fv *fv; - u32 offset; - - memset(&state, 0, sizeof(state)); - - if (!hw->seg) - return -EINVAL; - - ice_seg = hw->seg; - - do { - fv = ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, - &offset, ice_sw_fv_handler); - if (!fv) - break; - ice_seg = NULL; - - /* in the profile that not be used, the prot_id is set to 0xff - * and the off is set to 0x1ff for all the field vectors. - */ - for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) - if (fv->ew[j].prot_id != ICE_PROT_INVALID || - fv->ew[j].off != ICE_FV_OFFSET_INVAL) - flag = true; - if (flag && prof_index > max_prof_index) - max_prof_index = prof_index; - - prof_index++; - flag = false; - } while (fv); - - hw->switch_info->max_used_prof_index = max_prof_index; - - return 0; -} - -/** - * ice_get_ddp_pkg_state - get DDP pkg state after download - * @hw: pointer to the HW struct - * @already_loaded: indicates if pkg was already loaded onto the device - */ -static enum ice_ddp_state -ice_get_ddp_pkg_state(struct ice_hw *hw, bool already_loaded) -{ - if (hw->pkg_ver.major == hw->active_pkg_ver.major && - hw->pkg_ver.minor == hw->active_pkg_ver.minor && - hw->pkg_ver.update == hw->active_pkg_ver.update && - hw->pkg_ver.draft == hw->active_pkg_ver.draft && - !memcmp(hw->pkg_name, hw->active_pkg_name, sizeof(hw->pkg_name))) { - if (already_loaded) - return ICE_DDP_PKG_SAME_VERSION_ALREADY_LOADED; - else - return ICE_DDP_PKG_SUCCESS; - } else if (hw->active_pkg_ver.major != ICE_PKG_SUPP_VER_MAJ || - hw->active_pkg_ver.minor != ICE_PKG_SUPP_VER_MNR) { - return ICE_DDP_PKG_ALREADY_LOADED_NOT_SUPPORTED; - } else if (hw->active_pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && - hw->active_pkg_ver.minor == ICE_PKG_SUPP_VER_MNR) { - return ICE_DDP_PKG_COMPATIBLE_ALREADY_LOADED; - } else { - return ICE_DDP_PKG_ERR; - } -} - -/** - * ice_init_pkg - initialize/download package - * @hw: pointer to the hardware structure - * @buf: pointer to the package buffer - * @len: size of the package buffer - * - * This function initializes a package. The package contains HW tables - * required to do packet processing. First, the function extracts package - * information such as version. Then it finds the ice configuration segment - * within the package; this function then saves a copy of the segment pointer - * within the supplied package buffer. Next, the function will cache any hints - * from the package, followed by downloading the package itself. Note, that if - * a previous PF driver has already downloaded the package successfully, then - * the current driver will not have to download the package again. - * - * The local package contents will be used to query default behavior and to - * update specific sections of the HW's version of the package (e.g. to update - * the parse graph to understand new protocols). - * - * This function stores a pointer to the package buffer memory, and it is - * expected that the supplied buffer will not be freed immediately. If the - * package buffer needs to be freed, such as when read from a file, use - * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this - * case. - */ -enum ice_ddp_state ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len) -{ - bool already_loaded = false; - enum ice_ddp_state state; - struct ice_pkg_hdr *pkg; - struct ice_seg *seg; - - if (!buf || !len) - return ICE_DDP_PKG_ERR; - - pkg = (struct ice_pkg_hdr *)buf; - state = ice_verify_pkg(pkg, len); - if (state) { - ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n", - state); - return state; - } - - /* initialize package info */ - state = ice_init_pkg_info(hw, pkg); - if (state) - return state; - - /* before downloading the package, check package version for - * compatibility with driver - */ - state = ice_chk_pkg_compat(hw, pkg, &seg); - if (state) - return state; - - /* initialize package hints and then download package */ - ice_init_pkg_hints(hw, seg); - state = ice_download_pkg(hw, seg); - if (state == ICE_DDP_PKG_ALREADY_LOADED) { - ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n"); - already_loaded = true; - } - - /* Get information on the package currently loaded in HW, then make sure - * the driver is compatible with this version. - */ - if (!state || state == ICE_DDP_PKG_ALREADY_LOADED) { - state = ice_get_pkg_info(hw); - if (!state) - state = ice_get_ddp_pkg_state(hw, already_loaded); - } - - if (ice_is_init_pkg_successful(state)) { - hw->seg = seg; - /* on successful package download update other required - * registers to support the package and fill HW tables - * with package content. - */ - ice_init_pkg_regs(hw); - ice_fill_blk_tbls(hw); - ice_fill_hw_ptype(hw); - ice_get_prof_index_max(hw); - } else { - ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n", - state); - } - - return state; -} - -/** - * ice_copy_and_init_pkg - initialize/download a copy of the package - * @hw: pointer to the hardware structure - * @buf: pointer to the package buffer - * @len: size of the package buffer - * - * This function copies the package buffer, and then calls ice_init_pkg() to - * initialize the copied package contents. - * - * The copying is necessary if the package buffer supplied is constant, or if - * the memory may disappear shortly after calling this function. - * - * If the package buffer resides in the data segment and can be modified, the - * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg(). - * - * However, if the package buffer needs to be copied first, such as when being - * read from a file, the caller should use ice_copy_and_init_pkg(). - * - * This function will first copy the package buffer, before calling - * ice_init_pkg(). The caller is free to immediately destroy the original - * package buffer, as the new copy will be managed by this function and - * related routines. - */ -enum ice_ddp_state -ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len) -{ - enum ice_ddp_state state; - u8 *buf_copy; - - if (!buf || !len) - return ICE_DDP_PKG_ERR; - - buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL); - - state = ice_init_pkg(hw, buf_copy, len); - if (!ice_is_init_pkg_successful(state)) { - /* Free the copy, since we failed to initialize the package */ - devm_kfree(ice_hw_to_dev(hw), buf_copy); - } else { - /* Track the copied pkg so we can free it later */ - hw->pkg_copy = buf_copy; - hw->pkg_size = len; - } - - return state; -} - -/** - * ice_is_init_pkg_successful - check if DDP init was successful - * @state: state of the DDP pkg after download - */ -bool ice_is_init_pkg_successful(enum ice_ddp_state state) -{ - switch (state) { - case ICE_DDP_PKG_SUCCESS: - case ICE_DDP_PKG_SAME_VERSION_ALREADY_LOADED: - case ICE_DDP_PKG_COMPATIBLE_ALREADY_LOADED: - return true; - default: - return false; - } -} - -/** - * ice_pkg_buf_alloc - * @hw: pointer to the HW structure - * - * Allocates a package buffer and returns a pointer to the buffer header. - * Note: all package contents must be in Little Endian form. - */ -static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) -{ - struct ice_buf_build *bld; - struct ice_buf_hdr *buf; - - bld = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*bld), GFP_KERNEL); - if (!bld) - return NULL; - - buf = (struct ice_buf_hdr *)bld; - buf->data_end = cpu_to_le16(offsetof(struct ice_buf_hdr, - section_entry)); - return bld; -} - -static bool ice_is_gtp_u_profile(u16 prof_idx) -{ - return (prof_idx >= ICE_PROFID_IPV6_GTPU_TEID && - prof_idx <= ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER) || - prof_idx == ICE_PROFID_IPV4_GTPU_TEID; -} - -static bool ice_is_gtp_c_profile(u16 prof_idx) -{ - switch (prof_idx) { - case ICE_PROFID_IPV4_GTPC_TEID: - case ICE_PROFID_IPV4_GTPC_NO_TEID: - case ICE_PROFID_IPV6_GTPC_TEID: - case ICE_PROFID_IPV6_GTPC_NO_TEID: - return true; - default: - return false; - } -} - -/** - * ice_get_sw_prof_type - determine switch profile type - * @hw: pointer to the HW structure - * @fv: pointer to the switch field vector - * @prof_idx: profile index to check - */ -static enum ice_prof_type -ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv, u32 prof_idx) -{ - u16 i; - - if (ice_is_gtp_c_profile(prof_idx)) - return ICE_PROF_TUN_GTPC; - - if (ice_is_gtp_u_profile(prof_idx)) - return ICE_PROF_TUN_GTPU; - - for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) { - /* UDP tunnel will have UDP_OF protocol ID and VNI offset */ - if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF && - fv->ew[i].off == ICE_VNI_OFFSET) - return ICE_PROF_TUN_UDP; - - /* GRE tunnel will have GRE protocol */ - if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF) - return ICE_PROF_TUN_GRE; - } - - return ICE_PROF_NON_TUN; -} - -/** - * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type - * @hw: pointer to hardware structure - * @req_profs: type of profiles requested - * @bm: pointer to memory for returning the bitmap of field vectors - */ -void -ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs, - unsigned long *bm) -{ - struct ice_pkg_enum state; - struct ice_seg *ice_seg; - struct ice_fv *fv; - - if (req_profs == ICE_PROF_ALL) { - bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES); - return; - } - - memset(&state, 0, sizeof(state)); - bitmap_zero(bm, ICE_MAX_NUM_PROFILES); - ice_seg = hw->seg; - do { - enum ice_prof_type prof_type; - u32 offset; - - fv = ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, - &offset, ice_sw_fv_handler); - ice_seg = NULL; - - if (fv) { - /* Determine field vector type */ - prof_type = ice_get_sw_prof_type(hw, fv, offset); - - if (req_profs & prof_type) - set_bit((u16)offset, bm); - } - } while (fv); -} - -/** - * ice_get_sw_fv_list - * @hw: pointer to the HW structure - * @lkups: list of protocol types - * @bm: bitmap of field vectors to consider - * @fv_list: Head of a list - * - * Finds all the field vector entries from switch block that contain - * a given protocol ID and offset and returns a list of structures of type - * "ice_sw_fv_list_entry". Every structure in the list has a field vector - * definition and profile ID information - * NOTE: The caller of the function is responsible for freeing the memory - * allocated for every list entry. - */ -int -ice_get_sw_fv_list(struct ice_hw *hw, struct ice_prot_lkup_ext *lkups, - unsigned long *bm, struct list_head *fv_list) -{ - struct ice_sw_fv_list_entry *fvl; - struct ice_sw_fv_list_entry *tmp; - struct ice_pkg_enum state; - struct ice_seg *ice_seg; - struct ice_fv *fv; - u32 offset; - - memset(&state, 0, sizeof(state)); - - if (!lkups->n_val_words || !hw->seg) - return -EINVAL; - - ice_seg = hw->seg; - do { - u16 i; - - fv = ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, - &offset, ice_sw_fv_handler); - if (!fv) - break; - ice_seg = NULL; - - /* If field vector is not in the bitmap list, then skip this - * profile. - */ - if (!test_bit((u16)offset, bm)) - continue; - - for (i = 0; i < lkups->n_val_words; i++) { - int j; - - for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) - if (fv->ew[j].prot_id == - lkups->fv_words[i].prot_id && - fv->ew[j].off == lkups->fv_words[i].off) - break; - if (j >= hw->blk[ICE_BLK_SW].es.fvw) - break; - if (i + 1 == lkups->n_val_words) { - fvl = devm_kzalloc(ice_hw_to_dev(hw), - sizeof(*fvl), GFP_KERNEL); - if (!fvl) - goto err; - fvl->fv_ptr = fv; - fvl->profile_id = offset; - list_add(&fvl->list_entry, fv_list); - break; - } - } - } while (fv); - if (list_empty(fv_list)) { - dev_warn(ice_hw_to_dev(hw), "Required profiles not found in currently loaded DDP package"); - return -EIO; - } - - return 0; - -err: - list_for_each_entry_safe(fvl, tmp, fv_list, list_entry) { - list_del(&fvl->list_entry); - devm_kfree(ice_hw_to_dev(hw), fvl); - } - - return -ENOMEM; -} - -/** - * ice_init_prof_result_bm - Initialize the profile result index bitmap - * @hw: pointer to hardware structure - */ -void ice_init_prof_result_bm(struct ice_hw *hw) -{ - struct ice_pkg_enum state; - struct ice_seg *ice_seg; - struct ice_fv *fv; - - memset(&state, 0, sizeof(state)); - - if (!hw->seg) - return; - - ice_seg = hw->seg; - do { - u32 off; - u16 i; - - fv = ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, - &off, ice_sw_fv_handler); - ice_seg = NULL; - if (!fv) - break; - - bitmap_zero(hw->switch_info->prof_res_bm[off], - ICE_MAX_FV_WORDS); - - /* Determine empty field vector indices, these can be - * used for recipe results. Skip index 0, since it is - * always used for Switch ID. - */ - for (i = 1; i < ICE_MAX_FV_WORDS; i++) - if (fv->ew[i].prot_id == ICE_PROT_INVALID && - fv->ew[i].off == ICE_FV_OFFSET_INVAL) - set_bit(i, hw->switch_info->prof_res_bm[off]); - } while (fv); -} - -/** - * ice_pkg_buf_free - * @hw: pointer to the HW structure - * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) - * - * Frees a package buffer - */ -void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld) -{ - devm_kfree(ice_hw_to_dev(hw), bld); -} - -/** - * ice_pkg_buf_reserve_section - * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) - * @count: the number of sections to reserve - * - * Reserves one or more section table entries in a package buffer. This routine - * can be called multiple times as long as they are made before calling - * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section() - * is called once, the number of sections that can be allocated will not be able - * to be increased; not using all reserved sections is fine, but this will - * result in some wasted space in the buffer. - * Note: all package contents must be in Little Endian form. - */ -static int -ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count) -{ - struct ice_buf_hdr *buf; - u16 section_count; - u16 data_end; - - if (!bld) - return -EINVAL; - - buf = (struct ice_buf_hdr *)&bld->buf; - - /* already an active section, can't increase table size */ - section_count = le16_to_cpu(buf->section_count); - if (section_count > 0) - return -EIO; - - if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT) - return -EIO; - bld->reserved_section_table_entries += count; - - data_end = le16_to_cpu(buf->data_end) + - flex_array_size(buf, section_entry, count); - buf->data_end = cpu_to_le16(data_end); - - return 0; -} - -/** - * ice_pkg_buf_alloc_section - * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) - * @type: the section type value - * @size: the size of the section to reserve (in bytes) - * - * Reserves memory in the buffer for a section's content and updates the - * buffers' status accordingly. This routine returns a pointer to the first - * byte of the section start within the buffer, which is used to fill in the - * section contents. - * Note: all package contents must be in Little Endian form. - */ -static void * -ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size) -{ - struct ice_buf_hdr *buf; - u16 sect_count; - u16 data_end; - - if (!bld || !type || !size) - return NULL; - - buf = (struct ice_buf_hdr *)&bld->buf; - - /* check for enough space left in buffer */ - data_end = le16_to_cpu(buf->data_end); - - /* section start must align on 4 byte boundary */ - data_end = ALIGN(data_end, 4); - - if ((data_end + size) > ICE_MAX_S_DATA_END) - return NULL; - - /* check for more available section table entries */ - sect_count = le16_to_cpu(buf->section_count); - if (sect_count < bld->reserved_section_table_entries) { - void *section_ptr = ((u8 *)buf) + data_end; - - buf->section_entry[sect_count].offset = cpu_to_le16(data_end); - buf->section_entry[sect_count].size = cpu_to_le16(size); - buf->section_entry[sect_count].type = cpu_to_le32(type); - - data_end += size; - buf->data_end = cpu_to_le16(data_end); - - buf->section_count = cpu_to_le16(sect_count + 1); - return section_ptr; - } - - /* no free section table entries */ - 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()) - * - * Returns the number of active sections. Before using the package buffer - * in an update package command, the caller should make sure that there is at - * least one active section - otherwise, the buffer is not legal and should - * not be used. - * Note: all package contents must be in Little Endian form. - */ -static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld) -{ - struct ice_buf_hdr *buf; - - if (!bld) - return 0; - - buf = (struct ice_buf_hdr *)&bld->buf; - return le16_to_cpu(buf->section_count); -} - -/** - * ice_pkg_buf - * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) - * - * Return a pointer to the buffer's header - */ -struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld) -{ - if (!bld) - return NULL; - - return &bld->buf; -} - -/** * ice_get_open_tunnel_port - retrieve an open tunnel port * @hw: pointer to the HW structure * @port: returns open port @@ -2297,10 +391,11 @@ ice_upd_dvm_boost_entry_err: */ int ice_set_dvm_boost_entries(struct ice_hw *hw) { - int status; u16 i; for (i = 0; i < hw->dvm_upd.count; i++) { + int status; + status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]); if (status) return status; @@ -2479,9 +574,7 @@ ice_destroy_tunnel_end: int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table, unsigned int idx, struct udp_tunnel_info *ti) { - struct ice_netdev_priv *np = netdev_priv(netdev); - struct ice_vsi *vsi = np->vsi; - struct ice_pf *pf = vsi->back; + struct ice_pf *pf = ice_netdev_to_pf(netdev); enum ice_tunnel_type tnl_type; int status; u16 index; @@ -2503,9 +596,7 @@ int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table, int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table, unsigned int idx, struct udp_tunnel_info *ti) { - struct ice_netdev_priv *np = netdev_priv(netdev); - struct ice_vsi *vsi = np->vsi; - struct ice_pf *pf = vsi->back; + struct ice_pf *pf = ice_netdev_to_pf(netdev); enum ice_tunnel_type tnl_type; int status; @@ -2757,7 +848,6 @@ ice_match_prop_lst(struct list_head *list1, struct list_head *list2) count++; list_for_each_entry(tmp2, list2, list) chk_count++; - /* cppcheck-suppress knownConditionTrueFalse */ if (!count || count != chk_count) return false; @@ -3124,11 +1214,13 @@ ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) * @blk: HW block * @fv: field vector to search for * @masks: masks for FV + * @symm: symmetric setting for RSS flows * @prof_id: receives the profile ID */ static int ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, - struct ice_fv_word *fv, u16 *masks, u8 *prof_id) + struct ice_fv_word *fv, u16 *masks, bool symm, + u8 *prof_id) { struct ice_es *es = &hw->blk[blk].es; u8 i; @@ -3142,6 +1234,9 @@ ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, for (i = 0; i < (u8)es->count; i++) { u16 off = i * es->fvw; + if (blk == ICE_BLK_RSS && es->symm[i] != symm) + continue; + if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) continue; @@ -3315,13 +1410,13 @@ ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, switch (blk) { case ICE_BLK_RSS: offset = GLQF_HMASK(mask_idx); - val = (idx << GLQF_HMASK_MSK_INDEX_S) & GLQF_HMASK_MSK_INDEX_M; - val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M; + val = FIELD_PREP(GLQF_HMASK_MSK_INDEX_M, idx); + val |= FIELD_PREP(GLQF_HMASK_MASK_M, mask); break; case ICE_BLK_FD: offset = GLQF_FDMASK(mask_idx); - val = (idx << GLQF_FDMASK_MSK_INDEX_S) & GLQF_FDMASK_MSK_INDEX_M; - val |= (mask << GLQF_FDMASK_MASK_S) & GLQF_FDMASK_MASK_M; + val = FIELD_PREP(GLQF_FDMASK_MSK_INDEX_M, idx); + val |= FIELD_PREP(GLQF_FDMASK_MASK_M, mask); break; default: ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", @@ -3380,7 +1475,7 @@ static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; hw->blk[blk].masks.count = per_pf; - hw->blk[blk].masks.first = hw->pf_id * per_pf; + hw->blk[blk].masks.first = hw->logical_pf_id * per_pf; memset(hw->blk[blk].masks.masks, 0, sizeof(hw->blk[blk].masks.masks)); @@ -3622,15 +1717,16 @@ ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, } /** - * ice_write_es - write an extraction sequence to hardware + * ice_write_es - write an extraction sequence and symmetric setting to hardware * @hw: pointer to the HW struct * @blk: the block in which to write the extraction sequence * @prof_id: the profile ID to write * @fv: pointer to the extraction sequence to write - NULL to clear extraction + * @symm: symmetric setting for RSS profiles */ static void ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, - struct ice_fv_word *fv) + struct ice_fv_word *fv, bool symm) { u16 off; @@ -3643,6 +1739,9 @@ ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw * sizeof(*fv)); } + + if (blk == ICE_BLK_RSS) + hw->blk[blk].es.symm[prof_id] = symm; } /** @@ -3659,7 +1758,7 @@ ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) if (hw->blk[blk].es.ref_count[prof_id] > 0) { if (!--hw->blk[blk].es.ref_count[prof_id]) { - ice_write_es(hw, blk, prof_id, NULL); + ice_write_es(hw, blk, prof_id, NULL, false); ice_free_prof_masks(hw, blk, prof_id); return ice_free_prof_id(hw, blk, prof_id); } @@ -4022,8 +2121,10 @@ void ice_free_hw_tbls(struct ice_hw *hw) devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_redir.t); devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.t); devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.ref_count); + devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.symm); devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.written); devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.mask_ena); + devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_id.id); } list_for_each_entry_safe(r, rt, &hw->rss_list_head, l_entry) { @@ -4056,6 +2157,7 @@ void ice_clear_hw_tbls(struct ice_hw *hw) for (i = 0; i < ICE_BLK_COUNT; i++) { struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; + struct ice_prof_id *prof_id = &hw->blk[i].prof_id; struct ice_prof_tcam *prof = &hw->blk[i].prof; struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; @@ -4084,8 +2186,11 @@ void ice_clear_hw_tbls(struct ice_hw *hw) memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw); memset(es->ref_count, 0, es->count * sizeof(*es->ref_count)); + memset(es->symm, 0, es->count * sizeof(*es->symm)); memset(es->written, 0, es->count * sizeof(*es->written)); memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena)); + + memset(prof_id->id, 0, prof_id->count * sizeof(*prof_id->id)); } } @@ -4102,6 +2207,7 @@ int ice_init_hw_tbls(struct ice_hw *hw) ice_init_all_prof_masks(hw); for (i = 0; i < ICE_BLK_COUNT; i++) { struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; + struct ice_prof_id *prof_id = &hw->blk[i].prof_id; struct ice_prof_tcam *prof = &hw->blk[i].prof; struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; @@ -4198,6 +2304,11 @@ int ice_init_hw_tbls(struct ice_hw *hw) if (!es->ref_count) goto err; + es->symm = devm_kcalloc(ice_hw_to_dev(hw), es->count, + sizeof(*es->symm), GFP_KERNEL); + if (!es->symm) + goto err; + es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count, sizeof(*es->written), GFP_KERNEL); if (!es->written) @@ -4207,6 +2318,12 @@ int ice_init_hw_tbls(struct ice_hw *hw) sizeof(*es->mask_ena), GFP_KERNEL); if (!es->mask_ena) goto err; + + prof_id->count = blk_sizes[i].prof_id; + prof_id->id = devm_kcalloc(ice_hw_to_dev(hw), prof_id->count, + sizeof(*prof_id->id), GFP_KERNEL); + if (!prof_id->id) + goto err; } return 0; @@ -4860,6 +2977,50 @@ ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, } /** + * ice_disable_fd_swap - set register appropriately to disable FD SWAP + * @hw: pointer to the HW struct + * @prof_id: profile ID + */ +static void +ice_disable_fd_swap(struct ice_hw *hw, u8 prof_id) +{ + u16 swap_val, fvw_num; + unsigned int i; + + swap_val = ICE_SWAP_VALID; + fvw_num = hw->blk[ICE_BLK_FD].es.fvw / ICE_FDIR_REG_SET_SIZE; + + /* Since the SWAP Flag in the Programming Desc doesn't work, + * here add method to disable the SWAP Option via setting + * certain SWAP and INSET register sets. + */ + for (i = 0; i < fvw_num ; i++) { + u32 raw_swap, raw_in; + unsigned int j; + + raw_swap = 0; + raw_in = 0; + + for (j = 0; j < ICE_FDIR_REG_SET_SIZE; j++) { + raw_swap |= (swap_val++) << (j * BITS_PER_BYTE); + raw_in |= ICE_INSET_DFLT << (j * BITS_PER_BYTE); + } + + /* write the FDIR swap register set */ + wr32(hw, GLQF_FDSWAP(prof_id, i), raw_swap); + + ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): 0x%x = 0x%08x\n", + prof_id, i, GLQF_FDSWAP(prof_id, i), raw_swap); + + /* write the FDIR inset register set */ + wr32(hw, GLQF_FDINSET(prof_id, i), raw_in); + + ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): 0x%x = 0x%08x\n", + prof_id, i, GLQF_FDINSET(prof_id, i), raw_in); + } +} + +/* * ice_add_prof - add profile * @hw: pointer to the HW struct * @blk: hardware block @@ -4869,6 +3030,8 @@ ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, * @attr_cnt: number of elements in attr array * @es: extraction sequence (length of array is determined by the block) * @masks: mask for extraction sequence + * @symm: symmetric setting for RSS profiles + * @fd_swap: enable/disable FDIR paired src/dst fields swap option * * This function registers a profile, which matches a set of PTYPES with a * particular extraction sequence. While the hardware profile is allocated @@ -4876,29 +3039,29 @@ ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, * the ID value used here. */ int -ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], - const struct ice_ptype_attributes *attr, u16 attr_cnt, - struct ice_fv_word *es, u16 *masks) +ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, + unsigned long *ptypes, const struct ice_ptype_attributes *attr, + u16 attr_cnt, struct ice_fv_word *es, u16 *masks, bool symm, + bool fd_swap) { - u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT); struct ice_prof_map *prof; - u8 byte = 0; - u8 prof_id; int status; + u8 prof_id; + u16 ptype; bitmap_zero(ptgs_used, ICE_XLT1_CNT); mutex_lock(&hw->blk[blk].es.prof_map_lock); /* search for existing profile */ - status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id); + status = ice_find_prof_id_with_mask(hw, blk, es, masks, symm, &prof_id); if (status) { /* allocate profile ID */ status = ice_alloc_prof_id(hw, blk, &prof_id); if (status) goto err_ice_add_prof; - if (blk == ICE_BLK_FD) { + if (blk == ICE_BLK_FD && fd_swap) { /* For Flow Director block, the extraction sequence may * need to be altered in the case where there are paired * fields that have no match. This is necessary because @@ -4909,13 +3072,15 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], status = ice_update_fd_swap(hw, prof_id, es); if (status) goto err_ice_add_prof; + } else if (blk == ICE_BLK_FD) { + ice_disable_fd_swap(hw, prof_id); } status = ice_update_prof_masking(hw, blk, prof_id, masks); if (status) goto err_ice_add_prof; /* and write new es */ - ice_write_es(hw, blk, prof_id, es); + ice_write_es(hw, blk, prof_id, es, symm); } ice_prof_inc_ref(hw, blk, prof_id); @@ -4933,57 +3098,35 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], prof->context = 0; /* build list of ptgs */ - while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) { - u8 bit; + for_each_set_bit(ptype, ptypes, ICE_FLOW_PTYPE_MAX) { + u8 ptg; - if (!ptypes[byte]) { - bytes--; - byte++; + /* The package should place all ptypes in a non-zero + * PTG, so the following call should never fail. + */ + if (ice_ptg_find_ptype(hw, blk, ptype, &ptg)) continue; - } - /* Examine 8 bits per byte */ - for_each_set_bit(bit, (unsigned long *)&ptypes[byte], - BITS_PER_BYTE) { - u16 ptype; - u8 ptg; - - ptype = byte * BITS_PER_BYTE + bit; - - /* The package should place all ptypes in a non-zero - * PTG, so the following call should never fail. - */ - if (ice_ptg_find_ptype(hw, blk, ptype, &ptg)) - continue; + /* If PTG is already added, skip and continue */ + if (test_bit(ptg, ptgs_used)) + continue; - /* If PTG is already added, skip and continue */ - if (test_bit(ptg, ptgs_used)) - continue; + set_bit(ptg, ptgs_used); + /* Check to see there are any attributes for this ptype, and + * add them if found. + */ + status = ice_add_prof_attrib(prof, ptg, ptype, attr, attr_cnt); + if (status == -ENOSPC) + break; + if (status) { + /* This is simple a ptype/PTG with no attribute */ + prof->ptg[prof->ptg_cnt] = ptg; + prof->attr[prof->ptg_cnt].flags = 0; + prof->attr[prof->ptg_cnt].mask = 0; - __set_bit(ptg, ptgs_used); - /* Check to see there are any attributes for - * this PTYPE, and add them if found. - */ - status = ice_add_prof_attrib(prof, ptg, ptype, - attr, attr_cnt); - if (status == -ENOSPC) + if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) break; - if (status) { - /* This is simple a PTYPE/PTG with no - * attribute - */ - prof->ptg[prof->ptg_cnt] = ptg; - prof->attr[prof->ptg_cnt].flags = 0; - prof->attr[prof->ptg_cnt].mask = 0; - - if (++prof->ptg_cnt >= - ICE_MAX_PTG_PER_PROFILE) - break; - } } - - bytes--; - byte++; } list_add(&prof->list, &hw->blk[blk].es.prof_map); @@ -5003,7 +3146,7 @@ err_ice_add_prof: * This will search for a profile tracking ID which was previously added. * The profile map lock should be held before calling this function. */ -static struct ice_prof_map * +struct ice_prof_map * ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) { struct ice_prof_map *entry = NULL; @@ -5102,12 +3245,13 @@ ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 idx = vsig & ICE_VSIG_IDX_M; struct ice_vsig_vsi *vsi_cur; struct ice_vsig_prof *d, *t; - int status; /* remove TCAM entries */ list_for_each_entry_safe(d, t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, list) { + int status; + status = ice_rem_prof_id(hw, blk, d); if (status) return status; @@ -5158,12 +3302,13 @@ ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, { u16 idx = vsig & ICE_VSIG_IDX_M; struct ice_vsig_prof *p, *t; - int status; list_for_each_entry_safe(p, t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, list) if (p->profile_cookie == hdl) { + int status; + if (ice_vsig_prof_id_count(hw, blk, vsig) == 1) /* this is the last profile, remove the VSIG */ return ice_rem_vsig(hw, blk, vsig, chg); @@ -5433,6 +3578,19 @@ ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig, } /** + * ice_set_tcam_flags - set TCAM flag don't care mask + * @mask: mask for flags + * @dc_mask: pointer to the don't care mask + */ +static void ice_set_tcam_flags(u16 mask, u8 dc_mask[ICE_TCAM_KEY_VAL_SZ]) +{ + u16 inverted_mask = ~mask; + + /* flags are lowest u16 */ + put_unaligned_le16(inverted_mask, dc_mask); +} + +/** * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list * @hw: pointer to the HW struct * @idx: the index of the TCAM entry to remove @@ -5502,6 +3660,9 @@ ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, if (!p) return -ENOMEM; + /* set don't care masks for TCAM flags */ + ice_set_tcam_flags(tcam->attr.mask, dc_msk); + status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id, tcam->ptg, vsig, 0, tcam->attr.flags, vl_msk, dc_msk, nm_msk); @@ -5528,6 +3689,34 @@ err_ice_prof_tcam_ena_dis: } /** + * ice_ptg_attr_in_use - determine if PTG and attribute pair is in use + * @ptg_attr: pointer to the PTG and attribute pair to check + * @ptgs_used: bitmap that denotes which PTGs are in use + * @attr_used: array of PTG and attributes pairs already used + * @attr_cnt: count of entries in the attr_used array + * + * Return: true if the PTG and attribute pair is in use, false otherwise. + */ +static bool +ice_ptg_attr_in_use(struct ice_tcam_inf *ptg_attr, unsigned long *ptgs_used, + struct ice_tcam_inf *attr_used[], u16 attr_cnt) +{ + u16 i; + + if (!test_bit(ptg_attr->ptg, ptgs_used)) + return false; + + /* the PTG is used, so now look for correct attributes */ + for (i = 0; i < attr_cnt; i++) + if (attr_used[i]->ptg == ptg_attr->ptg && + attr_used[i]->attr.flags == ptg_attr->attr.flags && + attr_used[i]->attr.mask == ptg_attr->attr.mask) + return true; + + return false; +} + +/** * ice_adj_prof_priorities - adjust profile based on priorities * @hw: pointer to the HW struct * @blk: hardware block @@ -5539,10 +3728,16 @@ ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, struct list_head *chg) { DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT); + struct ice_tcam_inf **attr_used; struct ice_vsig_prof *t; - int status; + u16 attr_used_cnt = 0; + int status = 0; u16 idx; + attr_used = kcalloc(ICE_MAX_PTG_ATTRS, sizeof(*attr_used), GFP_KERNEL); + if (!attr_used) + return -ENOMEM; + bitmap_zero(ptgs_used, ICE_XLT1_CNT); idx = vsig & ICE_VSIG_IDX_M; @@ -5560,11 +3755,15 @@ ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 i; for (i = 0; i < t->tcam_count; i++) { + bool used; + /* Scan the priorities from newest to oldest. * Make sure that the newest profiles take priority. */ - if (test_bit(t->tcam[i].ptg, ptgs_used) && - t->tcam[i].in_use) { + used = ice_ptg_attr_in_use(&t->tcam[i], ptgs_used, + attr_used, attr_used_cnt); + + if (used && t->tcam[i].in_use) { /* need to mark this PTG as never match, as it * was already in use and therefore duplicate * (and lower priority) @@ -5574,9 +3773,8 @@ ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, &t->tcam[i], chg); if (status) - return status; - } else if (!test_bit(t->tcam[i].ptg, ptgs_used) && - !t->tcam[i].in_use) { + goto free_attr_used; + } else if (!used && !t->tcam[i].in_use) { /* need to enable this PTG, as it in not in use * and not enabled (highest priority) */ @@ -5585,15 +3783,21 @@ ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, &t->tcam[i], chg); if (status) - return status; + goto free_attr_used; } /* keep track of used ptgs */ - __set_bit(t->tcam[i].ptg, ptgs_used); + set_bit(t->tcam[i].ptg, ptgs_used); + if (attr_used_cnt < ICE_MAX_PTG_ATTRS) + attr_used[attr_used_cnt++] = &t->tcam[i]; + else + ice_debug(hw, ICE_DBG_INIT, "Warn: ICE_MAX_PTG_ATTRS exceeded\n"); } } - return 0; +free_attr_used: + kfree(attr_used); + return status; } /** @@ -5676,11 +3880,15 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, p->vsig = vsig; p->tcam_idx = t->tcam[i].tcam_idx; + /* set don't care masks for TCAM flags */ + ice_set_tcam_flags(t->tcam[i].attr.mask, dc_msk); + /* write the TCAM entry */ status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx, t->tcam[i].prof_id, - t->tcam[i].ptg, vsig, 0, 0, - vl_msk, dc_msk, nm_msk); + t->tcam[i].ptg, vsig, 0, + t->tcam[i].attr.flags, vl_msk, + dc_msk, nm_msk); if (status) { devm_kfree(ice_hw_to_dev(hw), p); goto err_ice_add_prof_id_vsig; @@ -5975,6 +4183,54 @@ err_ice_add_prof_id_flow: } /** + * ice_flow_assoc_fdir_prof - add an FDIR profile for main/ctrl VSI + * @hw: pointer to the HW struct + * @blk: HW block + * @dest_vsi: dest VSI + * @fdir_vsi: fdir programming VSI + * @hdl: profile handle + * + * Update the hardware tables to enable the FDIR profile indicated by @hdl for + * the VSI specified by @dest_vsi. On success, the flow will be enabled. + * + * Return: 0 on success or negative errno on failure. + */ +int +ice_flow_assoc_fdir_prof(struct ice_hw *hw, enum ice_block blk, + u16 dest_vsi, u16 fdir_vsi, u64 hdl) +{ + u16 vsi_num; + int status; + + vsi_num = ice_get_hw_vsi_num(hw, dest_vsi); + status = ice_add_prof_id_flow(hw, blk, vsi_num, hdl); + if (status) { + ice_debug(hw, ICE_DBG_FLOW, "Adding HW profile failed for main VSI flow entry: %d\n", + status); + return status; + } + + if (blk != ICE_BLK_FD) + return 0; + + vsi_num = ice_get_hw_vsi_num(hw, fdir_vsi); + status = ice_add_prof_id_flow(hw, blk, vsi_num, hdl); + if (status) { + ice_debug(hw, ICE_DBG_FLOW, "Adding HW profile failed for ctrl VSI flow entry: %d\n", + status); + goto err; + } + + return 0; + +err: + vsi_num = ice_get_hw_vsi_num(hw, dest_vsi); + ice_rem_prof_id_flow(hw, blk, vsi_num, hdl); + + return status; +} + +/** * ice_rem_prof_from_list - remove a profile from list * @hw: pointer to the HW struct * @lst: list to remove the profile from |