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 | 2813 |
1 files changed, 1099 insertions, 1714 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c index 4420fc02f7e7..c0dbec369366 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -4,15 +4,7 @@ #include "ice_common.h" #include "ice_flex_pipe.h" #include "ice_flow.h" - -/* 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. - */ -static const struct ice_tunnel_type_scan tnls[] = { - { TNL_VXLAN, "TNL_VXLAN_PF" }, - { TNL_GENEVE, "TNL_GENEVE_PF" }, - { TNL_LAST, "" } -}; +#include "ice.h" static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = { /* SWITCH */ @@ -95,419 +87,14 @@ 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_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; - - 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 enum ice_status -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 ICE_ERR_PARAM; - - 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 ICE_ERR_CFG; -} - -/** - * 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; - - 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_init_pkg_hints + * ice_hw_ptype_ena - check if the PTYPE is enabled or not * @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. + * @ptype: the hardware PTYPE */ -static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) +bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype) { - 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 && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) { - 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; - } - } - - label_name = ice_enum_labels(NULL, 0, &state, &val); - } - - /* Cache the appropriate boost TCAM entry pointers */ - 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; - } + return ptype < ICE_FLOW_PTYPE_MAX && + test_bit(ptype, hw->hw_ptype); } /* Key creation */ @@ -546,7 +133,7 @@ static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) * ------------------------------ * Result: key: b01 10 11 11 00 00 */ -static enum ice_status +static int ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key, u8 *key_inv) { @@ -555,7 +142,7 @@ ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key, /* 'dont_care' and 'nvr_mtch' masks cannot overlap */ if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch)) - return ICE_ERR_CFG; + return -EIO; *key = 0; *key_inv = 0; @@ -644,11 +231,11 @@ static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max) * This function generates a key from a value, a don't care mask and a never * match mask. * upd, dc, and nm are optional parameters, and can be NULL: - * upd == NULL --> udp mask is all 1's (update all bits) + * upd == NULL --> upd mask is all 1's (update all bits) * dc == NULL --> dc mask is all 0's (no don't care bits) * nm == NULL --> nm mask is all 0's (no never match bits) */ -static enum ice_status +static int ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, u16 len) { @@ -657,11 +244,11 @@ ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, /* size must be a multiple of 2 bytes. */ if (size % 2) - return ICE_ERR_CFG; + return -EIO; half_size = size / 2; if (off + len > half_size) - return ICE_ERR_CFG; + return -EIO; /* Make sure at most one bit is set in the never match mask. Having more * than one never match mask bit set will cause HW to consume excessive @@ -669,71 +256,25 @@ ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, */ #define ICE_NVR_MTCH_BITS_MAX 1 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX)) - return ICE_ERR_CFG; + return -EIO; for (i = 0; i < len; i++) if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff, dc ? dc[i] : 0, nm ? nm[i] : 0, key + off + i, key + half_size + off + i)) - return ICE_ERR_CFG; + return -EIO; return 0; } /** - * 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: - * - * ICE_SUCCESS - Means the caller has acquired the global config lock - * and can perform writing of the package. - * ICE_ERR_AQ_NO_WORK - 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 enum ice_status -ice_acquire_global_cfg_lock(struct ice_hw *hw, - enum ice_aq_res_access_type access) -{ - enum ice_status 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 == ICE_ERR_AQ_NO_WORK) - 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) * * This function will request ownership of the change lock. */ -static enum ice_status +int ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access) { return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access, @@ -746,985 +287,152 @@ ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access) * * This function will release the change lock using the proper Admin Command. */ -static void ice_release_change_lock(struct ice_hw *hw) +void ice_release_change_lock(struct ice_hw *hw) { ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID); } /** - * 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 enum ice_status -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; - enum ice_status 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 == ICE_ERR_AQ_ERROR) { - /* 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_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 enum ice_status -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; - enum ice_status 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 == ICE_ERR_AQ_ERROR) { - /* 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 - * @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 enum ice_status -ice_update_pkg(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; - - for (i = 0; i < count; i++) { - struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i); - bool last = ((i + 1) == count); - - 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; - } - } - - ice_release_change_lock(hw); - - return status; -} - -/** - * 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. + * ice_get_open_tunnel_port - retrieve an open tunnel port + * @hw: pointer to the HW structure + * @port: returns open port + * @type: type of tunnel, can be TNL_LAST if it doesn't matter */ -static enum ice_status -ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) +bool +ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port, + enum ice_tunnel_type type) { - enum ice_status status; - struct ice_buf_hdr *bh; - u32 offset, info, i; - - if (!bufs || !count) - return ICE_ERR_PARAM; - - /* 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 0; - - /* reset pkg_dwnld_status in case this function is called in the - * reset/rebuild flow - */ - hw->pkg_dwnld_status = ICE_AQ_RC_OK; - - status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); - if (status) { - if (status == ICE_ERR_AQ_NO_WORK) - hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST; - else - hw->pkg_dwnld_status = hw->adminq.sq_last_status; - return 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 */ - hw->pkg_dwnld_status = hw->adminq.sq_last_status; - if (status) { - ice_debug(hw, ICE_DBG_PKG, - "Pkg download failed: err %d off %d inf %d\n", - status, offset, info); + bool res = false; + u16 i; - break; - } + mutex_lock(&hw->tnl_lock); - if (last) + for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) + if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].port && + (type == TNL_LAST || type == hw->tnl.tbl[i].type)) { + *port = hw->tnl.tbl[i].port; + res = true; break; - } - - ice_release_global_cfg_lock(hw); - - return status; -} - -/** - * 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 enum ice_status -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_status -ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg) -{ - struct ice_buf_table *ice_buf_tbl; - - 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)); - - return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array, - le32_to_cpu(ice_buf_tbl->buf_count)); -} - -/** - * 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_status -ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr) -{ - struct ice_global_metadata_seg *meta_seg; - struct ice_generic_seg_hdr *seg_hdr; - - if (!pkg_hdr) - return ICE_ERR_PARAM; - - meta_seg = (struct ice_global_metadata_seg *) - ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr); - if (meta_seg) { - hw->pkg_ver = meta_seg->pkg_ver; - memcpy(hw->pkg_name, meta_seg->pkg_name, sizeof(hw->pkg_name)); - - ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n", - meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor, - meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft, - meta_seg->pkg_name); - } else { - ice_debug(hw, ICE_DBG_INIT, - "Did not find metadata segment in driver package\n"); - return ICE_ERR_CFG; - } - - seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr); - if (seg_hdr) { - hw->ice_pkg_ver = seg_hdr->seg_format_ver; - memcpy(hw->ice_pkg_name, seg_hdr->seg_id, - sizeof(hw->ice_pkg_name)); - - 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_ERR_CFG; - } - - return 0; -} - -/** - * 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_status ice_get_pkg_info(struct ice_hw *hw) -{ - struct ice_aqc_get_pkg_info_resp *pkg_info; - enum ice_status status; - u16 size; - u32 i; - - size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) * - (ICE_PKG_CNT - 1)); - pkg_info = kzalloc(size, GFP_KERNEL); - if (!pkg_info) - return ICE_ERR_NO_MEMORY; - - status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL); - if (status) - 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 status; -} - -/** - * 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_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len) -{ - u32 seg_count; - u32 i; - - if (len < sizeof(*pkg)) - return ICE_ERR_BUF_TOO_SHORT; - - 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_ERR_CFG; - - /* pkg must have at least one segment */ - seg_count = le32_to_cpu(pkg->seg_count); - if (seg_count < 1) - return ICE_ERR_CFG; - - /* make sure segment array fits in package length */ - if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset))) - return ICE_ERR_BUF_TOO_SHORT; - - /* 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_ERR_BUF_TOO_SHORT; - - seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off); - - /* segment body must fit */ - if (len < off + le32_to_cpu(seg->seg_size)) - return ICE_ERR_BUF_TOO_SHORT; - } - - return 0; -} - -/** - * 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_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver) -{ - if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ || - pkg_ver->minor != ICE_PKG_SUPP_VER_MNR) - return ICE_ERR_NOT_SUPPORTED; - - return 0; -} - -/** - * 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_status -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_status status; - u16 size; - u32 i; - - /* Check package version compatibility */ - status = ice_chk_pkg_version(&hw->pkg_ver); - if (status) { - ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n"); - return status; - } - - /* 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_ERR_CFG; - } - - /* Check if FW is compatible with the OS package */ - size = struct_size(pkg, pkg_info, ICE_PKG_CNT - 1); - pkg = kzalloc(size, GFP_KERNEL); - if (!pkg) - return ICE_ERR_NO_MEMORY; - - status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL); - if (status) - 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) { - status = ICE_ERR_FW_DDP_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 status; -} - -/** - * 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_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len) -{ - struct ice_pkg_hdr *pkg; - enum ice_status status; - struct ice_seg *seg; - - if (!buf || !len) - return ICE_ERR_PARAM; - - pkg = (struct ice_pkg_hdr *)buf; - status = ice_verify_pkg(pkg, len); - if (status) { - ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n", - status); - return status; - } - - /* initialize package info */ - status = ice_init_pkg_info(hw, pkg); - if (status) - return status; - - /* before downloading the package, check package version for - * compatibility with driver - */ - status = ice_chk_pkg_compat(hw, pkg, &seg); - if (status) - return status; - - /* initialize package hints and then download package */ - ice_init_pkg_hints(hw, seg); - status = ice_download_pkg(hw, seg); - if (status == ICE_ERR_AQ_NO_WORK) { - ice_debug(hw, ICE_DBG_INIT, - "package previously loaded - no work.\n"); - status = 0; - } - - /* Get information on the package currently loaded in HW, then make sure - * the driver is compatible with this version. - */ - if (!status) { - status = ice_get_pkg_info(hw); - if (!status) - status = ice_chk_pkg_version(&hw->active_pkg_ver); - } - - if (!status) { - 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); - } else { - ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n", - status); - } - - return status; -} - -/** - * 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_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len) -{ - enum ice_status status; - u8 *buf_copy; - - if (!buf || !len) - return ICE_ERR_PARAM; - buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL); - - status = ice_init_pkg(hw, buf_copy, len); - if (status) { - /* 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; - } + mutex_unlock(&hw->tnl_lock); - return status; + return res; } /** - * ice_pkg_buf_alloc + * ice_upd_dvm_boost_entry * @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. + * @entry: pointer to double vlan boost entry info */ -static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) +static int +ice_upd_dvm_boost_entry(struct ice_hw *hw, struct ice_dvm_entry *entry) { + struct ice_boost_tcam_section *sect_rx, *sect_tx; + int status = -ENOSPC; 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; -} - -/** - * 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 - */ -static 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 enum ice_status -ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count) -{ - struct ice_buf_hdr *buf; - u16 section_count; - u16 data_end; + u8 val, dc, nm; + bld = ice_pkg_buf_alloc(hw); if (!bld) - return ICE_ERR_PARAM; - - 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 ICE_ERR_CFG; - - if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT) - return ICE_ERR_CFG; - bld->reserved_section_table_entries += count; - - data_end = le16_to_cpu(buf->data_end) + - (count * sizeof(buf->section_entry[0])); - 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; + return -ENOMEM; - 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; + /* 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; - 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); + sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, + struct_size(sect_rx, tcam, 1)); + if (!sect_rx) + goto ice_upd_dvm_boost_entry_err; + sect_rx->count = cpu_to_le16(1); - data_end += size; - buf->data_end = cpu_to_le16(data_end); + sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, + struct_size(sect_tx, tcam, 1)); + if (!sect_tx) + goto ice_upd_dvm_boost_entry_err; + sect_tx->count = cpu_to_le16(1); - buf->section_count = cpu_to_le16(sect_count + 1); - return section_ptr; + /* copy original boost entry to update package buffer */ + memcpy(sect_rx->tcam, entry->boost_entry, sizeof(*sect_rx->tcam)); + + /* 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; } - /* no free section table entries */ - 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; + ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), + &val, NULL, &dc, &nm, 0, sizeof(u8)); - if (!bld) - return 0; + /* exact copy of entry to Tx section entry */ + memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam)); - buf = (struct ice_buf_hdr *)&bld->buf; - return le16_to_cpu(buf->section_count); -} + status = ice_update_pkg_no_lock(hw, ice_pkg_buf(bld), 1); -/** - * ice_pkg_buf - * @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) -{ - if (!bld) - return NULL; +ice_upd_dvm_boost_entry_err: + ice_pkg_buf_free(hw, bld); - return &bld->buf; + return status; } /** - * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage + * ice_set_dvm_boost_entries * @hw: pointer to the HW structure - * @port: port to search for - * @index: optionally returns index * - * Returns whether a port is already in use as a tunnel, and optionally its - * index + * Enable double vlan by updating the appropriate boost tcam entries. */ -static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index) +int ice_set_dvm_boost_entries(struct ice_hw *hw) { u16 i; - for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) - if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { - if (index) - *index = i; - return true; - } - - return false; -} - -/** - * ice_tunnel_port_in_use - * @hw: pointer to the HW structure - * @port: port to search for - * @index: optionally returns index - * - * Returns whether a port is already in use as a tunnel, and optionally its - * index - */ -bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index) -{ - bool res; + for (i = 0; i < hw->dvm_upd.count; i++) { + int status; - mutex_lock(&hw->tnl_lock); - res = ice_tunnel_port_in_use_hlpr(hw, port, index); - mutex_unlock(&hw->tnl_lock); + status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]); + if (status) + return status; + } - return res; + return 0; } /** - * ice_find_free_tunnel_entry + * ice_tunnel_idx_to_entry - convert linear index to the sparse one * @hw: pointer to the HW structure - * @type: tunnel type - * @index: optionally returns index + * @type: type of tunnel + * @idx: linear index * - * Returns whether there is a free tunnel entry, and optionally its index - */ -static bool -ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type, - u16 *index) -{ - u16 i; - - for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) - if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use && - hw->tnl.tbl[i].type == type) { - if (index) - *index = i; - return true; - } - - return false; -} - -/** - * ice_get_open_tunnel_port - retrieve an open tunnel port - * @hw: pointer to the HW structure - * @type: tunnel type (TNL_ALL will return any open port) - * @port: returns open port + * Stack assumes we have 2 linear tables with indexes [0, count_valid), + * but really the port table may be sprase, and types are mixed, so convert + * the stack index into the device index. */ -bool -ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type, - u16 *port) +static u16 ice_tunnel_idx_to_entry(struct ice_hw *hw, enum ice_tunnel_type type, + u16 idx) { - bool res = false; u16 i; - mutex_lock(&hw->tnl_lock); - for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) - if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && - (type == TNL_ALL || hw->tnl.tbl[i].type == type)) { - *port = hw->tnl.tbl[i].port; - res = true; - break; - } - - mutex_unlock(&hw->tnl_lock); + if (hw->tnl.tbl[i].valid && + hw->tnl.tbl[i].type == type && + idx-- == 0) + return i; - return res; + WARN_ON_ONCE(1); + return 0; } /** * ice_create_tunnel * @hw: pointer to the HW structure + * @index: device table entry * @type: type of tunnel * @port: port of tunnel to create * @@ -1732,30 +440,19 @@ ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type, * creating a package buffer with the tunnel info and issuing an update package * command. */ -enum ice_status -ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port) +static int +ice_create_tunnel(struct ice_hw *hw, u16 index, + enum ice_tunnel_type type, u16 port) { struct ice_boost_tcam_section *sect_rx, *sect_tx; - enum ice_status status = ICE_ERR_MAX_LIMIT; struct ice_buf_build *bld; - u16 index; + int status = -ENOSPC; mutex_lock(&hw->tnl_lock); - if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) { - hw->tnl.tbl[index].ref++; - status = 0; - goto ice_create_tunnel_end; - } - - if (!ice_find_free_tunnel_entry(hw, type, &index)) { - status = ICE_ERR_OUT_OF_RANGE; - goto ice_create_tunnel_end; - } - bld = ice_pkg_buf_alloc(hw); if (!bld) { - status = ICE_ERR_NO_MEMORY; + status = -ENOMEM; goto ice_create_tunnel_end; } @@ -1764,13 +461,13 @@ ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port) goto ice_create_tunnel_err; sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, - sizeof(*sect_rx)); + struct_size(sect_rx, tcam, 1)); if (!sect_rx) goto ice_create_tunnel_err; sect_rx->count = cpu_to_le16(1); sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, - sizeof(*sect_tx)); + struct_size(sect_tx, tcam, 1)); if (!sect_tx) goto ice_create_tunnel_err; sect_tx->count = cpu_to_le16(1); @@ -1791,11 +488,8 @@ ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port) memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam)); status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); - if (!status) { + if (!status) hw->tnl.tbl[index].port = port; - hw->tnl.tbl[index].in_use = true; - hw->tnl.tbl[index].ref = 1; - } ice_create_tunnel_err: ice_pkg_buf_free(hw, bld); @@ -1809,49 +503,34 @@ ice_create_tunnel_end: /** * ice_destroy_tunnel * @hw: pointer to the HW structure + * @index: device table entry + * @type: type of tunnel * @port: port of tunnel to destroy (ignored if the all parameter is true) - * @all: flag that states to destroy all tunnels * * Destroys a tunnel or all tunnels by creating an update package buffer * targeting the specific updates requested and then performing an update * package. */ -enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all) +static int +ice_destroy_tunnel(struct ice_hw *hw, u16 index, enum ice_tunnel_type type, + u16 port) { struct ice_boost_tcam_section *sect_rx, *sect_tx; - enum ice_status status = ICE_ERR_MAX_LIMIT; struct ice_buf_build *bld; - u16 count = 0; - u16 index; - u16 size; - u16 i; + int status = -ENOSPC; mutex_lock(&hw->tnl_lock); - if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index)) - if (hw->tnl.tbl[index].ref > 1) { - hw->tnl.tbl[index].ref--; - status = 0; - goto ice_destroy_tunnel_end; - } - - /* determine count */ - for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) - if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && - (all || hw->tnl.tbl[i].port == port)) - count++; - - if (!count) { - status = ICE_ERR_PARAM; + if (WARN_ON(!hw->tnl.tbl[index].valid || + hw->tnl.tbl[index].type != type || + hw->tnl.tbl[index].port != port)) { + status = -EIO; goto ice_destroy_tunnel_end; } - /* size of section - there is at least one entry */ - size = struct_size(sect_rx, tcam, count - 1); - bld = ice_pkg_buf_alloc(hw); if (!bld) { - status = ICE_ERR_NO_MEMORY; + status = -ENOMEM; goto ice_destroy_tunnel_end; } @@ -1860,13 +539,13 @@ enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all) goto ice_destroy_tunnel_err; sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, - size); + struct_size(sect_rx, tcam, 1)); if (!sect_rx) goto ice_destroy_tunnel_err; sect_rx->count = cpu_to_le16(1); sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, - size); + struct_size(sect_tx, tcam, 1)); if (!sect_tx) goto ice_destroy_tunnel_err; sect_tx->count = cpu_to_le16(1); @@ -1874,26 +553,14 @@ enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all) /* copy original boost entry to update package buffer, one copy to Rx * section, another copy to the Tx section */ - for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) - if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && - (all || hw->tnl.tbl[i].port == port)) { - memcpy(sect_rx->tcam + i, hw->tnl.tbl[i].boost_entry, - sizeof(*sect_rx->tcam)); - memcpy(sect_tx->tcam + i, hw->tnl.tbl[i].boost_entry, - sizeof(*sect_tx->tcam)); - hw->tnl.tbl[i].marked = true; - } + memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry, + sizeof(*sect_rx->tcam)); + memcpy(sect_tx->tcam, hw->tnl.tbl[index].boost_entry, + sizeof(*sect_tx->tcam)); status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); if (!status) - for (i = 0; i < hw->tnl.count && - i < ICE_TUNNEL_MAX_ENTRIES; i++) - if (hw->tnl.tbl[i].marked) { - hw->tnl.tbl[i].ref = 0; - hw->tnl.tbl[i].port = 0; - hw->tnl.tbl[i].in_use = false; - hw->tnl.tbl[i].marked = false; - } + hw->tnl.tbl[index].port = 0; ice_destroy_tunnel_err: ice_pkg_buf_free(hw, bld); @@ -1904,6 +571,77 @@ ice_destroy_tunnel_end: return status; } +int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table, + unsigned int idx, struct udp_tunnel_info *ti) +{ + struct ice_pf *pf = ice_netdev_to_pf(netdev); + enum ice_tunnel_type tnl_type; + int status; + u16 index; + + tnl_type = ti->type == UDP_TUNNEL_TYPE_VXLAN ? TNL_VXLAN : TNL_GENEVE; + index = ice_tunnel_idx_to_entry(&pf->hw, tnl_type, idx); + + status = ice_create_tunnel(&pf->hw, index, tnl_type, ntohs(ti->port)); + if (status) { + netdev_err(netdev, "Error adding UDP tunnel - %d\n", + status); + return -EIO; + } + + udp_tunnel_nic_set_port_priv(netdev, table, idx, index); + return 0; +} + +int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table, + unsigned int idx, struct udp_tunnel_info *ti) +{ + struct ice_pf *pf = ice_netdev_to_pf(netdev); + enum ice_tunnel_type tnl_type; + int status; + + tnl_type = ti->type == UDP_TUNNEL_TYPE_VXLAN ? TNL_VXLAN : TNL_GENEVE; + + status = ice_destroy_tunnel(&pf->hw, ti->hw_priv, tnl_type, + ntohs(ti->port)); + if (status) { + netdev_err(netdev, "Error removing UDP tunnel - %d\n", + status); + return -EIO; + } + + return 0; +} + +/** + * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index + * @hw: pointer to the hardware structure + * @blk: hardware block + * @prof: profile ID + * @fv_idx: field vector word index + * @prot: variable to receive the protocol ID + * @off: variable to receive the protocol offset + */ +int +ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx, + u8 *prot, u16 *off) +{ + struct ice_fv_word *fv_ext; + + if (prof >= hw->blk[blk].es.count) + return -EINVAL; + + if (fv_idx >= hw->blk[blk].es.fvw) + return -EINVAL; + + fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw); + + *prot = fv_ext[fv_idx].prot_id; + *off = fv_ext[fv_idx].off; + + return 0; +} + /* PTG Management */ /** @@ -1917,11 +655,11 @@ ice_destroy_tunnel_end: * PTG ID that contains it through the PTG parameter, with the value of * ICE_DEFAULT_PTG (0) meaning it is part the default PTG. */ -static enum ice_status +static int ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg) { if (ptype >= ICE_XLT1_CNT || !ptg) - return ICE_ERR_PARAM; + return -EINVAL; *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg; return 0; @@ -1951,21 +689,21 @@ static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg) * This function will remove the ptype from the specific PTG, and move it to * the default PTG (ICE_DEFAULT_PTG). */ -static enum ice_status +static int ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) { struct ice_ptg_ptype **ch; struct ice_ptg_ptype *p; if (ptype > ICE_XLT1_CNT - 1) - return ICE_ERR_PARAM; + return -EINVAL; if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; /* Should not happen if .in_use is set, bad config */ if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype) - return ICE_ERR_CFG; + return -EIO; /* find the ptype within this PTG, and bypass the link over it */ p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; @@ -1995,20 +733,20 @@ ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) * * This function will either add or move a ptype to a particular PTG depending * on if the ptype is already part of another group. Note that using a - * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the + * destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the * default PTG. */ -static enum ice_status +static int ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) { - enum ice_status status; u8 original_ptg; + int status; if (ptype > ICE_XLT1_CNT - 1) - return ICE_ERR_PARAM; + return -EINVAL; if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg); if (status) @@ -2142,11 +880,11 @@ ice_match_prop_lst(struct list_head *list1, struct list_head *list2) * This function will lookup the VSI entry in the XLT2 list and return * the VSI group its associated with. */ -static enum ice_status +static int ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig) { if (!vsig || vsi >= ICE_MAX_VSI) - return ICE_ERR_PARAM; + return -EINVAL; /* As long as there's a default or valid VSIG associated with the input * VSI, the functions returns a success. Any handling of VSIG will be @@ -2211,7 +949,7 @@ static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk) * for, the list must match exactly, including the order in which the * characteristics are listed. */ -static enum ice_status +static int ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, struct list_head *chs, u16 *vsig) { @@ -2225,7 +963,7 @@ ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, return 0; } - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; } /** @@ -2237,8 +975,7 @@ ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, * The function will remove all VSIs associated with the input VSIG and move * them to the DEFAULT_VSIG and mark the VSIG available. */ -static enum ice_status -ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) +static int ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) { struct ice_vsig_prof *dtmp, *del; struct ice_vsig_vsi *vsi_cur; @@ -2246,10 +983,10 @@ ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) idx = vsig & ICE_VSIG_IDX_M; if (idx >= ICE_MAX_VSIGS) - return ICE_ERR_PARAM; + return -EINVAL; if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false; @@ -2298,7 +1035,7 @@ ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) * The function will remove the input VSI from its VSI group and move it * to the DEFAULT_VSIG. */ -static enum ice_status +static int ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) { struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt; @@ -2307,10 +1044,10 @@ ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) idx = vsig & ICE_VSIG_IDX_M; if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) - return ICE_ERR_PARAM; + return -EINVAL; if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; /* entry already in default VSIG, don't have to remove */ if (idx == ICE_DEFAULT_VSIG) @@ -2318,7 +1055,7 @@ ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; if (!(*vsi_head)) - return ICE_ERR_CFG; + return -EIO; vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi]; vsi_cur = (*vsi_head); @@ -2335,7 +1072,7 @@ ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) /* verify if VSI was removed from group list */ if (!vsi_cur) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; vsi_cur->vsig = ICE_DEFAULT_VSIG; vsi_cur->changed = 1; @@ -2356,24 +1093,24 @@ ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) * move the entry to the DEFAULT_VSIG, update the original VSIG and * then move entry to the new VSIG. */ -static enum ice_status +static int ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) { struct ice_vsig_vsi *tmp; - enum ice_status status; u16 orig_vsig, idx; + int status; idx = vsig & ICE_VSIG_IDX_M; if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) - return ICE_ERR_PARAM; + return -EINVAL; /* if VSIG not in use and VSIG is not default type this VSIG * doesn't exist. */ if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use && vsig != ICE_DEFAULT_VSIG) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); if (status) @@ -2408,37 +1145,110 @@ ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) } /** - * ice_find_prof_id - find profile ID for a given field vector + * ice_prof_has_mask_idx - determine if profile index masking is identical + * @hw: pointer to the hardware structure + * @blk: HW block + * @prof: profile to check + * @idx: profile index to check + * @mask: mask to match + */ +static bool +ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx, + u16 mask) +{ + bool expect_no_mask = false; + bool found = false; + bool match = false; + u16 i; + + /* If mask is 0x0000 or 0xffff, then there is no masking */ + if (mask == 0 || mask == 0xffff) + expect_no_mask = true; + + /* Scan the enabled masks on this profile, for the specified idx */ + for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first + + hw->blk[blk].masks.count; i++) + if (hw->blk[blk].es.mask_ena[prof] & BIT(i)) + if (hw->blk[blk].masks.masks[i].in_use && + hw->blk[blk].masks.masks[i].idx == idx) { + found = true; + if (hw->blk[blk].masks.masks[i].mask == mask) + match = true; + break; + } + + if (expect_no_mask) { + if (found) + return false; + } else { + if (!match) + return false; + } + + return true; +} + +/** + * ice_prof_has_mask - determine if profile masking is identical + * @hw: pointer to the hardware structure + * @blk: HW block + * @prof: profile to check + * @masks: masks to match + */ +static bool +ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) +{ + u16 i; + + /* es->mask_ena[prof] will have the mask */ + for (i = 0; i < hw->blk[blk].es.fvw; i++) + if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i])) + return false; + + return true; +} + +/** + * ice_find_prof_id_with_mask - find profile ID for a given field vector * @hw: pointer to the hardware structure * @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 enum ice_status -ice_find_prof_id(struct ice_hw *hw, enum ice_block blk, - struct ice_fv_word *fv, u8 *prof_id) +static int +ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, + struct ice_fv_word *fv, u16 *masks, bool symm, + u8 *prof_id) { struct ice_es *es = &hw->blk[blk].es; - u16 off; u8 i; /* For FD, we don't want to re-use a existed profile with the same * field vector and mask. This will cause rule interference. */ if (blk == ICE_BLK_FD) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; for (i = 0; i < (u8)es->count; i++) { - off = i * es->fvw; + 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; + /* check if masks settings are the same for this profile */ + if (masks && !ice_prof_has_mask(hw, blk, i, masks)) + continue; + *prof_id = i; return 0; } - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; } /** @@ -2485,20 +1295,22 @@ static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) * ice_alloc_tcam_ent - allocate hardware TCAM entry * @hw: pointer to the HW struct * @blk: the block to allocate the TCAM for + * @btm: true to allocate from bottom of table, false to allocate from top * @tcam_idx: pointer to variable to receive the TCAM entry * * This function allocates a new entry in a Profile ID TCAM for a specific * block. */ -static enum ice_status -ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx) +static int +ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm, + u16 *tcam_idx) { u16 res_type; if (!ice_tcam_ent_rsrc_type(blk, &res_type)) - return ICE_ERR_PARAM; + return -EINVAL; - return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx); + return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx); } /** @@ -2509,13 +1321,13 @@ ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx) * * This function frees an entry in a Profile ID TCAM for a specific block. */ -static enum ice_status +static int ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) { u16 res_type; if (!ice_tcam_ent_rsrc_type(blk, &res_type)) - return ICE_ERR_PARAM; + return -EINVAL; return ice_free_hw_res(hw, res_type, 1, &tcam_idx); } @@ -2529,15 +1341,14 @@ ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) * This function allocates a new profile ID, which also corresponds to a Field * Vector (Extraction Sequence) entry. */ -static enum ice_status -ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) +static int ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) { - enum ice_status status; u16 res_type; u16 get_prof; + int status; if (!ice_prof_id_rsrc_type(blk, &res_type)) - return ICE_ERR_PARAM; + return -EINVAL; status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof); if (!status) @@ -2554,14 +1365,13 @@ ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) * * This function frees a profile ID, which also corresponds to a Field Vector. */ -static enum ice_status -ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) +static int ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) { u16 tmp_prof_id = (u16)prof_id; u16 res_type; if (!ice_prof_id_rsrc_type(blk, &res_type)) - return ICE_ERR_PARAM; + return -EINVAL; return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id); } @@ -2572,11 +1382,10 @@ ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) * @blk: the block from which to free the profile ID * @prof_id: the profile ID for which to increment the reference count */ -static enum ice_status -ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) +static int ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) { if (prof_id > hw->blk[blk].es.count) - return ICE_ERR_PARAM; + return -EINVAL; hw->blk[blk].es.ref_count[prof_id]++; @@ -2584,15 +1393,340 @@ ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) } /** - * ice_write_es - write an extraction sequence to hardware + * ice_write_prof_mask_reg - write profile mask register + * @hw: pointer to the HW struct + * @blk: hardware block + * @mask_idx: mask index + * @idx: index of the FV which will use the mask + * @mask: the 16-bit mask + */ +static void +ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, + u16 idx, u16 mask) +{ + u32 offset; + u32 val; + + switch (blk) { + case ICE_BLK_RSS: + offset = GLQF_HMASK(mask_idx); + 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 = 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", + blk); + return; + } + + wr32(hw, offset, val); + ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n", + blk, idx, offset, val); +} + +/** + * ice_write_prof_mask_enable_res - write profile mask enable register + * @hw: pointer to the HW struct + * @blk: hardware block + * @prof_id: profile ID + * @enable_mask: enable mask + */ +static void +ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk, + u16 prof_id, u32 enable_mask) +{ + u32 offset; + + switch (blk) { + case ICE_BLK_RSS: + offset = GLQF_HMASK_SEL(prof_id); + break; + case ICE_BLK_FD: + offset = GLQF_FDMASK_SEL(prof_id); + break; + default: + ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", + blk); + return; + } + + wr32(hw, offset, enable_mask); + ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n", + blk, prof_id, offset, enable_mask); +} + +/** + * ice_init_prof_masks - initial prof masks + * @hw: pointer to the HW struct + * @blk: hardware block + */ +static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) +{ + u16 per_pf; + u16 i; + + mutex_init(&hw->blk[blk].masks.lock); + + per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; + + hw->blk[blk].masks.count = 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)); + + for (i = hw->blk[blk].masks.first; + i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) + ice_write_prof_mask_reg(hw, blk, i, 0, 0); +} + +/** + * ice_init_all_prof_masks - initialize all prof masks + * @hw: pointer to the HW struct + */ +static void ice_init_all_prof_masks(struct ice_hw *hw) +{ + ice_init_prof_masks(hw, ICE_BLK_RSS); + ice_init_prof_masks(hw, ICE_BLK_FD); +} + +/** + * ice_alloc_prof_mask - allocate profile mask + * @hw: pointer to the HW struct + * @blk: hardware block + * @idx: index of FV which will use the mask + * @mask: the 16-bit mask + * @mask_idx: variable to receive the mask index + */ +static int +ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask, + u16 *mask_idx) +{ + bool found_unused = false, found_copy = false; + u16 unused_idx = 0, copy_idx = 0; + int status = -ENOSPC; + u16 i; + + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return -EINVAL; + + mutex_lock(&hw->blk[blk].masks.lock); + + for (i = hw->blk[blk].masks.first; + i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) + if (hw->blk[blk].masks.masks[i].in_use) { + /* if mask is in use and it exactly duplicates the + * desired mask and index, then in can be reused + */ + if (hw->blk[blk].masks.masks[i].mask == mask && + hw->blk[blk].masks.masks[i].idx == idx) { + found_copy = true; + copy_idx = i; + break; + } + } else { + /* save off unused index, but keep searching in case + * there is an exact match later on + */ + if (!found_unused) { + found_unused = true; + unused_idx = i; + } + } + + if (found_copy) + i = copy_idx; + else if (found_unused) + i = unused_idx; + else + goto err_ice_alloc_prof_mask; + + /* update mask for a new entry */ + if (found_unused) { + hw->blk[blk].masks.masks[i].in_use = true; + hw->blk[blk].masks.masks[i].mask = mask; + hw->blk[blk].masks.masks[i].idx = idx; + hw->blk[blk].masks.masks[i].ref = 0; + ice_write_prof_mask_reg(hw, blk, i, idx, mask); + } + + hw->blk[blk].masks.masks[i].ref++; + *mask_idx = i; + status = 0; + +err_ice_alloc_prof_mask: + mutex_unlock(&hw->blk[blk].masks.lock); + + return status; +} + +/** + * ice_free_prof_mask - free profile mask + * @hw: pointer to the HW struct + * @blk: hardware block + * @mask_idx: index of mask + */ +static int +ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx) +{ + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return -EINVAL; + + if (!(mask_idx >= hw->blk[blk].masks.first && + mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count)) + return -ENOENT; + + mutex_lock(&hw->blk[blk].masks.lock); + + if (!hw->blk[blk].masks.masks[mask_idx].in_use) + goto exit_ice_free_prof_mask; + + if (hw->blk[blk].masks.masks[mask_idx].ref > 1) { + hw->blk[blk].masks.masks[mask_idx].ref--; + goto exit_ice_free_prof_mask; + } + + /* remove mask */ + hw->blk[blk].masks.masks[mask_idx].in_use = false; + hw->blk[blk].masks.masks[mask_idx].mask = 0; + hw->blk[blk].masks.masks[mask_idx].idx = 0; + + /* update mask as unused entry */ + ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk, + mask_idx); + ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0); + +exit_ice_free_prof_mask: + mutex_unlock(&hw->blk[blk].masks.lock); + + return 0; +} + +/** + * ice_free_prof_masks - free all profile masks for a profile + * @hw: pointer to the HW struct + * @blk: hardware block + * @prof_id: profile ID + */ +static int +ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id) +{ + u32 mask_bm; + u16 i; + + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return -EINVAL; + + mask_bm = hw->blk[blk].es.mask_ena[prof_id]; + for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++) + if (mask_bm & BIT(i)) + ice_free_prof_mask(hw, blk, i); + + return 0; +} + +/** + * ice_shutdown_prof_masks - releases lock for masking + * @hw: pointer to the HW struct + * @blk: hardware block + * + * This should be called before unloading the driver + */ +static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk) +{ + u16 i; + + mutex_lock(&hw->blk[blk].masks.lock); + + for (i = hw->blk[blk].masks.first; + i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) { + ice_write_prof_mask_reg(hw, blk, i, 0, 0); + + hw->blk[blk].masks.masks[i].in_use = false; + hw->blk[blk].masks.masks[i].idx = 0; + hw->blk[blk].masks.masks[i].mask = 0; + } + + mutex_unlock(&hw->blk[blk].masks.lock); + mutex_destroy(&hw->blk[blk].masks.lock); +} + +/** + * ice_shutdown_all_prof_masks - releases all locks for masking + * @hw: pointer to the HW struct + * + * This should be called before unloading the driver + */ +static void ice_shutdown_all_prof_masks(struct ice_hw *hw) +{ + ice_shutdown_prof_masks(hw, ICE_BLK_RSS); + ice_shutdown_prof_masks(hw, ICE_BLK_FD); +} + +/** + * ice_update_prof_masking - set registers according to masking + * @hw: pointer to the HW struct + * @blk: hardware block + * @prof_id: profile ID + * @masks: masks + */ +static int +ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, + u16 *masks) +{ + bool err = false; + u32 ena_mask = 0; + u16 idx; + u16 i; + + /* Only support FD and RSS masking, otherwise nothing to be done */ + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return 0; + + for (i = 0; i < hw->blk[blk].es.fvw; i++) + if (masks[i] && masks[i] != 0xFFFF) { + if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) { + ena_mask |= BIT(idx); + } else { + /* not enough bitmaps */ + err = true; + break; + } + } + + if (err) { + /* free any bitmaps we have allocated */ + for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++) + if (ena_mask & BIT(i)) + ice_free_prof_mask(hw, blk, i); + + return -EIO; + } + + /* enable the masks for this profile */ + ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask); + + /* store enabled masks with profile so that they can be freed later */ + hw->blk[blk].es.mask_ena[prof_id] = ena_mask; + + return 0; +} + +/** + * 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; @@ -2605,6 +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; } /** @@ -2613,15 +1750,16 @@ ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, * @blk: the block from which to free the profile ID * @prof_id: the profile ID for which to decrement the reference count */ -static enum ice_status +static int ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) { if (prof_id > hw->blk[blk].es.count) - return ICE_ERR_PARAM; + return -EINVAL; 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); } } @@ -2774,7 +1912,7 @@ static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) case ICE_SID_XLT1_RSS: case ICE_SID_XLT1_ACL: case ICE_SID_XLT1_PE: - xlt1 = (struct ice_xlt1_section *)sect; + xlt1 = sect; src = xlt1->value; sect_len = le16_to_cpu(xlt1->count) * sizeof(*hw->blk[block_id].xlt1.t); @@ -2787,7 +1925,7 @@ static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) case ICE_SID_XLT2_RSS: case ICE_SID_XLT2_ACL: case ICE_SID_XLT2_PE: - xlt2 = (struct ice_xlt2_section *)sect; + xlt2 = sect; src = (__force u8 *)xlt2->value; sect_len = le16_to_cpu(xlt2->count) * sizeof(*hw->blk[block_id].xlt2.t); @@ -2800,7 +1938,7 @@ static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) case ICE_SID_PROFID_TCAM_RSS: case ICE_SID_PROFID_TCAM_ACL: case ICE_SID_PROFID_TCAM_PE: - pid = (struct ice_prof_id_section *)sect; + pid = sect; src = (u8 *)pid->entry; sect_len = le16_to_cpu(pid->count) * sizeof(*hw->blk[block_id].prof.t); @@ -2813,7 +1951,7 @@ static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) case ICE_SID_PROFID_REDIR_RSS: case ICE_SID_PROFID_REDIR_ACL: case ICE_SID_PROFID_REDIR_PE: - pr = (struct ice_prof_redir_section *)sect; + pr = sect; src = pr->redir_value; sect_len = le16_to_cpu(pr->count) * sizeof(*hw->blk[block_id].prof_redir.t); @@ -2826,7 +1964,7 @@ static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) case ICE_SID_FLD_VEC_RSS: case ICE_SID_FLD_VEC_ACL: case ICE_SID_FLD_VEC_PE: - es = (struct ice_sw_fv_section *)sect; + es = sect; src = (u8 *)es->fv; sect_len = (u32)(le16_to_cpu(es->count) * hw->blk[block_id].es.fvw) * @@ -2922,6 +2060,8 @@ static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx) ICE_FLOW_ENTRY_HNDL(e)); list_del(&p->l_entry); + + mutex_destroy(&p->entries_lock); devm_kfree(ice_hw_to_dev(hw), p); } mutex_unlock(&hw->fl_profs_locks[blk_idx]); @@ -2981,7 +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) { @@ -2989,6 +2132,7 @@ void ice_free_hw_tbls(struct ice_hw *hw) devm_kfree(ice_hw_to_dev(hw), r); } mutex_destroy(&hw->rss_locks); + ice_shutdown_all_prof_masks(hw); memset(hw->blk, 0, sizeof(hw->blk)); } @@ -3013,6 +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; @@ -3039,9 +2184,13 @@ void ice_clear_hw_tbls(struct ice_hw *hw) memset(prof_redir->t, 0, prof_redir->count * sizeof(*prof_redir->t)); - memset(es->t, 0, es->count * sizeof(*es->t)); + 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)); } } @@ -3049,14 +2198,16 @@ void ice_clear_hw_tbls(struct ice_hw *hw) * ice_init_hw_tbls - init hardware table memory * @hw: pointer to the hardware structure */ -enum ice_status ice_init_hw_tbls(struct ice_hw *hw) +int ice_init_hw_tbls(struct ice_hw *hw) { u8 i; mutex_init(&hw->rss_locks); INIT_LIST_HEAD(&hw->rss_list_head); + 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; @@ -3150,17 +2301,35 @@ enum ice_status ice_init_hw_tbls(struct ice_hw *hw) es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count, sizeof(*es->ref_count), GFP_KERNEL); + 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->ref_count) + if (!es->written) + goto err; + + es->mask_ena = devm_kcalloc(ice_hw_to_dev(hw), es->count, + 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; err: ice_free_hw_tbls(hw); - return ICE_ERR_NO_MEMORY; + return -ENOMEM; } /** @@ -3176,7 +2345,7 @@ err: * @nm_msk: never match mask * @key: output of profile ID key */ -static enum ice_status +static int ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig, u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ], @@ -3232,7 +2401,7 @@ ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig, * @dc_msk: don't care mask * @nm_msk: never match mask */ -static enum ice_status +static int ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], @@ -3240,7 +2409,7 @@ ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, u8 nm_msk[ICE_TCAM_KEY_VAL_SZ]) { struct ice_prof_tcam_entry; - enum ice_status status; + int status; status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk, dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key); @@ -3259,7 +2428,7 @@ ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, * @vsig: VSIG to query * @refs: pointer to variable to receive the reference count */ -static enum ice_status +static int ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs) { u16 idx = vsig & ICE_VSIG_IDX_M; @@ -3268,7 +2437,7 @@ ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs) *refs = 0; if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; while (ptr) { @@ -3297,8 +2466,7 @@ ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl) if (ent->profile_cookie == hdl) return true; - ice_debug(hw, ICE_DBG_INIT, - "Characteristic list for VSI group %d not found.\n", + ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n", vsig); return false; } @@ -3310,7 +2478,7 @@ ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl) * @bld: the update package buffer build to add to * @chgs: the list of changes to make in hardware */ -static enum ice_status +static int ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, struct ice_buf_build *bld, struct list_head *chgs) { @@ -3324,13 +2492,13 @@ ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, u32 id; id = ice_sect_id(blk, ICE_VEC_TBL); - p = (struct ice_pkg_es *) - ice_pkg_buf_alloc_section(bld, id, sizeof(*p) + - vec_size - - sizeof(p->es[0])); + p = ice_pkg_buf_alloc_section(bld, id, + struct_size(p, es, 1) + + vec_size - + sizeof(p->es[0])); if (!p) - return ICE_ERR_MAX_LIMIT; + return -ENOSPC; p->count = cpu_to_le16(1); p->offset = cpu_to_le16(tmp->prof_id); @@ -3348,7 +2516,7 @@ ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, * @bld: the update package buffer build to add to * @chgs: the list of changes to make in hardware */ -static enum ice_status +static int ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, struct ice_buf_build *bld, struct list_head *chgs) { @@ -3360,11 +2528,11 @@ ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, u32 id; id = ice_sect_id(blk, ICE_PROF_TCAM); - p = (struct ice_prof_id_section *) - ice_pkg_buf_alloc_section(bld, id, sizeof(*p)); + p = ice_pkg_buf_alloc_section(bld, id, + struct_size(p, entry, 1)); if (!p) - return ICE_ERR_MAX_LIMIT; + return -ENOSPC; p->count = cpu_to_le16(1); p->entry[0].addr = cpu_to_le16(tmp->tcam_idx); @@ -3384,7 +2552,7 @@ ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, * @bld: the update package buffer build to add to * @chgs: the list of changes to make in hardware */ -static enum ice_status +static int ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, struct list_head *chgs) { @@ -3396,11 +2564,11 @@ ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, u32 id; id = ice_sect_id(blk, ICE_XLT1); - p = (struct ice_xlt1_section *) - ice_pkg_buf_alloc_section(bld, id, sizeof(*p)); + p = ice_pkg_buf_alloc_section(bld, id, + struct_size(p, value, 1)); if (!p) - return ICE_ERR_MAX_LIMIT; + return -ENOSPC; p->count = cpu_to_le16(1); p->offset = cpu_to_le16(tmp->ptype); @@ -3416,7 +2584,7 @@ ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, * @bld: the update package buffer build to add to * @chgs: the list of changes to make in hardware */ -static enum ice_status +static int ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, struct list_head *chgs) { @@ -3431,11 +2599,11 @@ ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, case ICE_VSI_MOVE: case ICE_VSIG_REM: id = ice_sect_id(blk, ICE_XLT2); - p = (struct ice_xlt2_section *) - ice_pkg_buf_alloc_section(bld, id, sizeof(*p)); + p = ice_pkg_buf_alloc_section(bld, id, + struct_size(p, value, 1)); if (!p) - return ICE_ERR_MAX_LIMIT; + return -ENOSPC; p->count = cpu_to_le16(1); p->offset = cpu_to_le16(tmp->vsi); @@ -3455,18 +2623,18 @@ ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, * @blk: hardware block * @chgs: the list of changes to make in hardware */ -static enum ice_status +static int ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, struct list_head *chgs) { struct ice_buf_build *b; struct ice_chs_chg *tmp; - enum ice_status status; u16 pkg_sects; u16 xlt1 = 0; u16 xlt2 = 0; u16 tcam = 0; u16 es = 0; + int status; u16 sects; /* count number of sections we need */ @@ -3498,7 +2666,7 @@ ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, /* Build update package buffer */ b = ice_pkg_buf_alloc(hw); if (!b) - return ICE_ERR_NO_MEMORY; + return -ENOMEM; status = ice_pkg_buf_reserve_section(b, sects); if (status) @@ -3535,13 +2703,13 @@ ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, */ pkg_sects = ice_pkg_buf_get_active_sections(b); if (!pkg_sects || pkg_sects != sects) { - status = ICE_ERR_INVAL_SIZE; + status = -EINVAL; goto error_tmp; } /* update package */ status = ice_update_pkg(hw, ice_pkg_buf(b), 1); - if (status == ICE_ERR_AQ_ERROR) + if (status == -EIO) ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n"); error_tmp: @@ -3607,7 +2775,7 @@ static const struct ice_fd_src_dst_pair ice_fd_pairs[] = { * @prof_id: profile ID * @es: extraction sequence (length of array is determined by the block) */ -static enum ice_status +static int ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) { DECLARE_BITMAP(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); @@ -3639,7 +2807,7 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) if (es[i].prot_id == ice_fd_pairs[j].prot_id && es[i].off == ice_fd_pairs[j].off) { - set_bit(j, pair_list); + __set_bit(j, pair_list); pair_start[j] = i; } } @@ -3662,7 +2830,7 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) /* check for room */ if (first_free + 1 < (s8)ice_fd_pairs[index].count) - return ICE_ERR_MAX_LIMIT; + return -ENOSPC; /* place in extraction sequence */ for (k = 0; k < ice_fd_pairs[index].count; k++) { @@ -3672,7 +2840,7 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) ice_fd_pairs[index].off + (k * 2); if (k > first_free) - return ICE_ERR_OUT_OF_RANGE; + return -EIO; /* keep track of non-relevant fields */ mask_sel |= BIT(first_free - k); @@ -3755,42 +2923,145 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) return 0; } +/* The entries here needs to match the order of enum ice_ptype_attrib */ +static const struct ice_ptype_attrib_info ice_ptype_attributes[] = { + { ICE_GTP_PDU_EH, ICE_GTP_PDU_FLAG_MASK }, + { ICE_GTP_SESSION, ICE_GTP_FLAGS_MASK }, + { ICE_GTP_DOWNLINK, ICE_GTP_FLAGS_MASK }, + { ICE_GTP_UPLINK, ICE_GTP_FLAGS_MASK }, +}; + +/** + * ice_get_ptype_attrib_info - get PTYPE attribute information + * @type: attribute type + * @info: pointer to variable to the attribute information + */ +static void +ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type, + struct ice_ptype_attrib_info *info) +{ + *info = ice_ptype_attributes[type]; +} + +/** + * ice_add_prof_attrib - add any PTG with attributes to profile + * @prof: pointer to the profile to which PTG entries will be added + * @ptg: PTG to be added + * @ptype: PTYPE that needs to be looked up + * @attr: array of attributes that will be considered + * @attr_cnt: number of elements in the attribute array + */ +static int +ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, + const struct ice_ptype_attributes *attr, u16 attr_cnt) +{ + bool found = false; + u16 i; + + for (i = 0; i < attr_cnt; i++) + if (attr[i].ptype == ptype) { + found = true; + + prof->ptg[prof->ptg_cnt] = ptg; + ice_get_ptype_attrib_info(attr[i].attrib, + &prof->attr[prof->ptg_cnt]); + + if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) + return -ENOSPC; + } + + if (!found) + return -ENOENT; + + return 0; +} + /** + * 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 * @id: profile tracking ID * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) + * @attr: array of attributes + * @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 PTGs with a + * This function registers a profile, which matches a set of PTYPES with a * particular extraction sequence. While the hardware profile is allocated * it will not be written until the first call to ice_add_flow that specifies * the ID value used here. */ -enum ice_status -ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], - struct ice_fv_word *es) +int +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; - enum ice_status status; - u8 byte = 0; + 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(hw, blk, es, &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 @@ -3801,10 +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); @@ -3812,7 +3088,7 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], /* add profile info */ prof = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*prof), GFP_KERNEL); if (!prof) { - status = ICE_ERR_NO_MEMORY; + status = -ENOMEM; goto err_ice_add_prof; } @@ -3822,48 +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; - u8 m; - 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); + 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; if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) break; - - /* nothing left in byte, then exit */ - m = ~(u8)((1 << (bit + 1)) - 1); - if (!(ptypes[byte] & m)) - break; } - - bytes--; - byte++; } list_add(&prof->list, &hw->blk[blk].es.prof_map); @@ -3875,16 +3138,16 @@ err_ice_add_prof: } /** - * ice_search_prof_id_low - Search for a profile tracking ID low level + * ice_search_prof_id - Search for a profile tracking ID * @hw: pointer to the HW struct * @blk: hardware block * @id: profile tracking ID * - * This will search for a profile tracking ID which was previously added. This - * version assumes that the caller has already acquired the prof map lock. + * 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 * -ice_search_prof_id_low(struct ice_hw *hw, enum ice_block blk, u64 id) +struct ice_prof_map * +ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) { struct ice_prof_map *entry = NULL; struct ice_prof_map *map; @@ -3899,26 +3162,6 @@ ice_search_prof_id_low(struct ice_hw *hw, enum ice_block blk, u64 id) } /** - * ice_search_prof_id - Search for a profile tracking ID - * @hw: pointer to the HW struct - * @blk: hardware block - * @id: profile tracking ID - * - * This will search for a profile tracking ID which was previously added. - */ -static struct ice_prof_map * -ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) -{ - struct ice_prof_map *entry; - - mutex_lock(&hw->blk[blk].es.prof_map_lock); - entry = ice_search_prof_id_low(hw, blk, id); - mutex_unlock(&hw->blk[blk].es.prof_map_lock); - - return entry; -} - -/** * ice_vsig_prof_id_count - count profiles in a VSIG * @hw: pointer to the HW struct * @blk: hardware block @@ -3943,14 +3186,13 @@ ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig) * @blk: hardware block * @idx: the index to release */ -static enum ice_status -ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) +static int ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) { /* Masks to invoke a never match entry */ u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF }; u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 }; - enum ice_status status; + int status; /* write the TCAM entry */ status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk, @@ -3970,11 +3212,11 @@ ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) * @blk: hardware block * @prof: pointer to profile structure to remove */ -static enum ice_status +static int ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, struct ice_vsig_prof *prof) { - enum ice_status status; + int status; u16 i; for (i = 0; i < prof->tcam_count; i++) @@ -3983,7 +3225,7 @@ ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, status = ice_rel_tcam_idx(hw, blk, prof->tcam[i].tcam_idx); if (status) - return ICE_ERR_HW_TABLE; + return -EIO; } return 0; @@ -3996,19 +3238,20 @@ ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, * @vsig: the VSIG to remove * @chg: the change list */ -static enum ice_status +static int ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, struct list_head *chg) { u16 idx = vsig & ICE_VSIG_IDX_M; struct ice_vsig_vsi *vsi_cur; struct ice_vsig_prof *d, *t; - enum ice_status 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; @@ -4030,7 +3273,7 @@ ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); if (!p) - return ICE_ERR_NO_MEMORY; + return -ENOMEM; p->type = ICE_VSIG_REM; p->orig_vsig = vsig; @@ -4053,18 +3296,19 @@ ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, * @hdl: profile handle indicating which profile to remove * @chg: list to receive a record of changes */ -static enum ice_status +static int ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, struct list_head *chg) { u16 idx = vsig & ICE_VSIG_IDX_M; struct ice_vsig_prof *p, *t; - enum ice_status 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); @@ -4077,7 +3321,7 @@ ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, return status; } - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; } /** @@ -4086,12 +3330,11 @@ ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, * @blk: hardware block * @id: profile tracking ID */ -static enum ice_status -ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id) +static int ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id) { struct ice_chs_chg *del, *tmp; - enum ice_status status; struct list_head chg; + int status; u16 i; INIT_LIST_HEAD(&chg); @@ -4127,16 +3370,16 @@ err_ice_rem_flow_all: * previously created through ice_add_prof. If any existing entries * are associated with this profile, they will be removed as well. */ -enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) +int ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) { struct ice_prof_map *pmap; - enum ice_status status; + int status; mutex_lock(&hw->blk[blk].es.prof_map_lock); - pmap = ice_search_prof_id_low(hw, blk, id); + pmap = ice_search_prof_id(hw, blk, id); if (!pmap) { - status = ICE_ERR_DOES_NOT_EXIST; + status = -ENOENT; goto err_ice_rem_prof; } @@ -4163,26 +3406,32 @@ err_ice_rem_prof: * @hdl: profile handle * @chg: change list */ -static enum ice_status +static int ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl, struct list_head *chg) { struct ice_prof_map *map; struct ice_chs_chg *p; + int status = 0; u16 i; + mutex_lock(&hw->blk[blk].es.prof_map_lock); /* Get the details on the profile specified by the handle ID */ map = ice_search_prof_id(hw, blk, hdl); - if (!map) - return ICE_ERR_DOES_NOT_EXIST; + if (!map) { + status = -ENOENT; + goto err_ice_get_prof; + } for (i = 0; i < map->ptg_cnt; i++) if (!hw->blk[blk].es.written[map->prof_id]) { /* add ES to change list */ p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); - if (!p) + if (!p) { + status = -ENOMEM; goto err_ice_get_prof; + } p->type = ICE_PTG_ES_ADD; p->ptype = 0; @@ -4197,11 +3446,10 @@ ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl, list_add(&p->list_entry, chg); } - return 0; - err_ice_get_prof: + mutex_unlock(&hw->blk[blk].es.prof_map_lock); /* let caller clean up the change list */ - return ICE_ERR_NO_MEMORY; + return status; } /** @@ -4213,7 +3461,7 @@ err_ice_get_prof: * * This routine makes a copy of the list of profiles in the specified VSIG. */ -static enum ice_status +static int ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, struct list_head *lst) { @@ -4241,7 +3489,7 @@ err_ice_get_profs_vsig: devm_kfree(ice_hw_to_dev(hw), ent1); } - return ICE_ERR_NO_MEMORY; + return -ENOMEM; } /** @@ -4251,21 +3499,27 @@ err_ice_get_profs_vsig: * @lst: the list to be added to * @hdl: profile handle of entry to add */ -static enum ice_status +static int ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, struct list_head *lst, u64 hdl) { struct ice_prof_map *map; struct ice_vsig_prof *p; + int status = 0; u16 i; + mutex_lock(&hw->blk[blk].es.prof_map_lock); map = ice_search_prof_id(hw, blk, hdl); - if (!map) - return ICE_ERR_DOES_NOT_EXIST; + if (!map) { + status = -ENOENT; + goto err_ice_add_prof_to_lst; + } p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); - if (!p) - return ICE_ERR_NO_MEMORY; + if (!p) { + status = -ENOMEM; + goto err_ice_add_prof_to_lst; + } p->profile_cookie = map->profile_cookie; p->prof_id = map->prof_id; @@ -4279,7 +3533,9 @@ ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, list_add(&p->list, lst); - return 0; +err_ice_add_prof_to_lst: + mutex_unlock(&hw->blk[blk].es.prof_map_lock); + return status; } /** @@ -4290,17 +3546,17 @@ ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, * @vsig: the VSIG to move the VSI to * @chg: the change list */ -static enum ice_status +static int ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig, struct list_head *chg) { - enum ice_status status; struct ice_chs_chg *p; u16 orig_vsig; + int status; p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); if (!p) - return ICE_ERR_NO_MEMORY; + return -ENOMEM; status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); if (!status) @@ -4322,6 +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 @@ -4350,13 +3619,13 @@ ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct list_head *chg) * * This function appends an enable or disable TCAM entry in the change log */ -static enum ice_status +static int ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, u16 vsig, struct ice_tcam_inf *tcam, struct list_head *chg) { - enum ice_status status; struct ice_chs_chg *p; + int status; u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; @@ -4377,18 +3646,26 @@ ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, } /* for re-enabling, reallocate a TCAM */ - status = ice_alloc_tcam_ent(hw, blk, &tcam->tcam_idx); + /* for entries with empty attribute masks, allocate entry from + * the bottom of the TCAM table; otherwise, allocate from the + * top of the table in order to give it higher priority + */ + status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0, + &tcam->tcam_idx); if (status) return status; /* add TCAM to change list */ p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); if (!p) - return ICE_ERR_NO_MEMORY; + 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, 0, vl_msk, dc_msk, - nm_msk); + tcam->ptg, vsig, 0, tcam->attr.flags, + vl_msk, dc_msk, nm_msk); if (status) goto err_ice_prof_tcam_ena_dis; @@ -4412,21 +3689,55 @@ 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 * @vsig: the VSIG for which to adjust profile priorities * @chg: the change list */ -static enum ice_status +static int 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; - enum ice_status 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; @@ -4444,11 +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) @@ -4458,9 +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) */ @@ -4469,15 +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); + 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; } /** @@ -4489,7 +3809,7 @@ ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, * @rev: true to add entries to the end of the list * @chg: the change list */ -static enum ice_status +static int ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, bool rev, struct list_head *chg) { @@ -4501,20 +3821,24 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, struct ice_vsig_prof *t; struct ice_chs_chg *p; u16 vsig_idx, i; - - /* Get the details on the profile specified by the handle ID */ - map = ice_search_prof_id(hw, blk, hdl); - if (!map) - return ICE_ERR_DOES_NOT_EXIST; + int status = 0; /* Error, if this VSIG already has this profile */ if (ice_has_prof_vsig(hw, blk, vsig, hdl)) - return ICE_ERR_ALREADY_EXISTS; + return -EEXIST; /* new VSIG profile structure */ t = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*t), GFP_KERNEL); if (!t) - return ICE_ERR_NO_MEMORY; + return -ENOMEM; + + mutex_lock(&hw->blk[blk].es.prof_map_lock); + /* Get the details on the profile specified by the handle ID */ + map = ice_search_prof_id(hw, blk, hdl); + if (!map) { + status = -ENOENT; + goto err_ice_add_prof_id_vsig; + } t->profile_cookie = map->profile_cookie; t->prof_id = map->prof_id; @@ -4522,16 +3846,22 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, /* create TCAM entries */ for (i = 0; i < map->ptg_cnt; i++) { - enum ice_status status; u16 tcam_idx; /* add TCAM to change list */ p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); - if (!p) + if (!p) { + status = -ENOMEM; goto err_ice_add_prof_id_vsig; + } /* allocate the TCAM entry index */ - status = ice_alloc_tcam_ent(hw, blk, &tcam_idx); + /* for entries with empty attribute masks, allocate entry from + * the bottom of the TCAM table; otherwise, allocate from the + * top of the table in order to give it higher priority + */ + status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0, + &tcam_idx); if (status) { devm_kfree(ice_hw_to_dev(hw), p); goto err_ice_add_prof_id_vsig; @@ -4540,6 +3870,7 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, t->tcam[i].ptg = map->ptg[i]; t->tcam[i].prof_id = map->prof_id; t->tcam[i].tcam_idx = tcam_idx; + t->tcam[i].attr = map->attr[i]; t->tcam[i].in_use = true; p->type = ICE_TCAM_ADD; @@ -4549,11 +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; @@ -4572,12 +3907,14 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, list_add(&t->list, &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); - return 0; + mutex_unlock(&hw->blk[blk].es.prof_map_lock); + return status; err_ice_add_prof_id_vsig: + mutex_unlock(&hw->blk[blk].es.prof_map_lock); /* let caller clean up the change list */ devm_kfree(ice_hw_to_dev(hw), t); - return ICE_ERR_NO_MEMORY; + return status; } /** @@ -4588,21 +3925,21 @@ err_ice_add_prof_id_vsig: * @hdl: the profile handle of the profile that will be added to the VSIG * @chg: the change list */ -static enum ice_status +static int ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl, struct list_head *chg) { - enum ice_status status; struct ice_chs_chg *p; u16 new_vsig; + int status; p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); if (!p) - return ICE_ERR_NO_MEMORY; + return -ENOMEM; new_vsig = ice_vsig_alloc(hw, blk); if (!new_vsig) { - status = ICE_ERR_HW_TABLE; + status = -EIO; goto err_ice_create_prof_id_vsig; } @@ -4638,18 +3975,18 @@ err_ice_create_prof_id_vsig: * @new_vsig: return of new VSIG * @chg: the change list */ -static enum ice_status +static int ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi, struct list_head *lst, u16 *new_vsig, struct list_head *chg) { struct ice_vsig_prof *t; - enum ice_status status; + int status; u16 vsig; vsig = ice_vsig_alloc(hw, blk); if (!vsig) - return ICE_ERR_HW_TABLE; + return -EIO; status = ice_move_vsi(hw, blk, vsi, vsig, chg); if (status) @@ -4679,8 +4016,8 @@ static bool ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig) { struct ice_vsig_prof *t; - enum ice_status status; struct list_head lst; + int status; INIT_LIST_HEAD(&lst); @@ -4710,14 +4047,14 @@ ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig) * profile indicated by the ID parameter for the VSIs specified in the VSI * array. Once successfully called, the flow will be enabled. */ -enum ice_status +int ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) { struct ice_vsig_prof *tmp1, *del1; struct ice_chs_chg *tmp, *del; struct list_head union_lst; - enum ice_status status; struct list_head chg; + int status; u16 vsig; INIT_LIST_HEAD(&union_lst); @@ -4743,7 +4080,7 @@ ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) * scenario */ if (ice_has_prof_vsig(hw, blk, vsig, hdl)) { - status = ICE_ERR_ALREADY_EXISTS; + status = -EEXIST; goto err_ice_add_prof_id_flow; } @@ -4846,12 +4183,60 @@ 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 * @hdl: the profile handle indicating the profile to remove */ -static enum ice_status +static int ice_rem_prof_from_list(struct ice_hw *hw, struct list_head *lst, u64 hdl) { struct ice_vsig_prof *ent, *tmp; @@ -4863,7 +4248,7 @@ ice_rem_prof_from_list(struct ice_hw *hw, struct list_head *lst, u64 hdl) return 0; } - return ICE_ERR_DOES_NOT_EXIST; + return -ENOENT; } /** @@ -4877,13 +4262,13 @@ ice_rem_prof_from_list(struct ice_hw *hw, struct list_head *lst, u64 hdl) * profile indicated by the ID parameter for the VSIs specified in the VSI * array. Once successfully called, the flow will be disabled. */ -enum ice_status +int ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) { struct ice_vsig_prof *tmp1, *del1; struct ice_chs_chg *tmp, *del; struct list_head chg, copy; - enum ice_status status; + int status; u16 vsig; INIT_LIST_HEAD(©); @@ -4912,7 +4297,7 @@ ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) if (last_profile) { /* If there are no profiles left for this VSIG, - * then simply remove the the VSIG. + * then simply remove the VSIG. */ status = ice_rem_vsig(hw, blk, vsig, &chg); if (status) @@ -4978,7 +4363,7 @@ ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) } } } else { - status = ICE_ERR_DOES_NOT_EXIST; + status = -ENOENT; } /* update hardware tables */ |