{
struct ice_aqc_set_phy_cfg_data cfg = { 0 };
struct ice_phy_cache_mode_data cache_data;
+ struct ice_link_default_override_tlv tlv;
struct ice_aqc_get_phy_caps_data *pcaps;
enum ice_status status;
u8 pause_mask = 0x0;
ICE_AQC_PHY_EN_RX_LINK_PAUSE);
/* set the new capabilities */
- cfg.caps |= pause_mask;
+ if (pi->fc.req_mode == ICE_FC_AUTO &&
+ ice_fw_supports_link_override(hw)) {
+ status = ice_get_link_default_override(&tlv, pi);
+ if (status)
+ return status;
+
+ if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
+ (tlv.options & ICE_LINK_OVERRIDE_EN))
+ cfg.caps |= tlv.phy_config & ICE_LINK_OVERRIDE_PAUSE_M;
+ } else {
+ cfg.caps |= pause_mask;
+ }
/* If the capabilities have changed, then set the new config */
if (cfg.caps != pcaps->caps) {
else
return ICE_FW_MODE_NORMAL;
}
+
+/**
+ * ice_fw_supports_link_override
+ * @hw: pointer to the hardware structure
+ *
+ * Checks if the firmware supports link override
+ */
+bool ice_fw_supports_link_override(struct ice_hw *hw)
+{
+ if (hw->api_maj_ver == ICE_FW_API_LINK_OVERRIDE_MAJ) {
+ if (hw->api_min_ver > ICE_FW_API_LINK_OVERRIDE_MIN)
+ return true;
+ if (hw->api_min_ver == ICE_FW_API_LINK_OVERRIDE_MIN &&
+ hw->api_patch >= ICE_FW_API_LINK_OVERRIDE_PATCH)
+ return true;
+ } else if (hw->api_maj_ver > ICE_FW_API_LINK_OVERRIDE_MAJ) {
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ice_get_link_default_override
+ * @ldo: pointer to the link default override struct
+ * @pi: pointer to the port info struct
+ *
+ * Gets the link default override for a port
+ */
+enum ice_status
+ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
+ struct ice_port_info *pi)
+{
+ u16 i, tlv, tlv_len, tlv_start, buf, offset;
+ struct ice_hw *hw = pi->hw;
+ enum ice_status status;
+
+ status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
+ ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
+ if (status) {
+ ice_debug(hw, ICE_DBG_INIT,
+ "Failed to read link override TLV.\n");
+ return status;
+ }
+
+ /* Each port has its own config; calculate for our port */
+ tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
+ ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
+
+ /* link options first */
+ status = ice_read_sr_word(hw, tlv_start, &buf);
+ if (status) {
+ ice_debug(hw, ICE_DBG_INIT,
+ "Failed to read override link options.\n");
+ return status;
+ }
+ ldo->options = buf & ICE_LINK_OVERRIDE_OPT_M;
+ ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
+ ICE_LINK_OVERRIDE_PHY_CFG_S;
+
+ /* link PHY config */
+ offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
+ status = ice_read_sr_word(hw, offset, &buf);
+ if (status) {
+ ice_debug(hw, ICE_DBG_INIT,
+ "Failed to read override phy config.\n");
+ return status;
+ }
+ ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
+
+ /* PHY types low */
+ offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
+ for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
+ status = ice_read_sr_word(hw, (offset + i), &buf);
+ if (status) {
+ ice_debug(hw, ICE_DBG_INIT,
+ "Failed to read override link options.\n");
+ return status;
+ }
+ /* shift 16 bits at a time to fill 64 bits */
+ ldo->phy_type_low |= ((u64)buf << (i * 16));
+ }
+
+ /* PHY types high */
+ offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
+ ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
+ for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
+ status = ice_read_sr_word(hw, (offset + i), &buf);
+ if (status) {
+ ice_debug(hw, ICE_DBG_INIT,
+ "Failed to read override link options.\n");
+ return status;
+ }
+ /* shift 16 bits at a time to fill 64 bits */
+ ldo->phy_type_high |= ((u64)buf << (i * 16));
+ }
+
+ return status;
+}
ICE_FC_RX_PAUSE,
ICE_FC_TX_PAUSE,
ICE_FC_FULL,
+ ICE_FC_AUTO,
ICE_FC_PFC,
ICE_FC_DFLT
};
u8 blank_nvm_mode; /* is NVM empty (no FW present)*/
};
+struct ice_link_default_override_tlv {
+ u8 options;
+#define ICE_LINK_OVERRIDE_OPT_M 0x3F
+#define ICE_LINK_OVERRIDE_STRICT_MODE BIT(0)
+#define ICE_LINK_OVERRIDE_EPCT_DIS BIT(1)
+#define ICE_LINK_OVERRIDE_PORT_DIS BIT(2)
+#define ICE_LINK_OVERRIDE_EN BIT(3)
+#define ICE_LINK_OVERRIDE_AUTO_LINK_DIS BIT(4)
+#define ICE_LINK_OVERRIDE_EEE_EN BIT(5)
+ u8 phy_config;
+#define ICE_LINK_OVERRIDE_PHY_CFG_S 8
+#define ICE_LINK_OVERRIDE_PHY_CFG_M (0xC3 << ICE_LINK_OVERRIDE_PHY_CFG_S)
+#define ICE_LINK_OVERRIDE_PAUSE_M 0x3
+#define ICE_LINK_OVERRIDE_LESM_EN BIT(6)
+#define ICE_LINK_OVERRIDE_AUTO_FEC_EN BIT(7)
+ u8 fec_options;
+#define ICE_LINK_OVERRIDE_FEC_OPT_M 0xFF
+ u8 rsvd1;
+ u64 phy_type_low;
+ u64 phy_type_high;
+};
+
#define ICE_NVM_VER_LEN 32
/* Max number of port to queue branches w.r.t topology */
#define ICE_SR_EMP_SR_SETTINGS_PTR 0x48
#define ICE_SR_CONFIGURATION_METADATA_PTR 0x4D
#define ICE_SR_IMMEDIATE_VALUES_PTR 0x4E
+#define ICE_SR_LINK_DEFAULT_OVERRIDE_PTR 0x134
#define ICE_SR_POR_REGISTERS_AUTOLOAD_PTR 0x118
/* Auxiliary field, mask and shift definition for Shadow RAM and NVM Flash */
*/
#define ICE_SR_SW_CHECKSUM_BASE 0xBABA
+/* Link override related */
+#define ICE_SR_PFA_LINK_OVERRIDE_WORDS 10
+#define ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS 4
+#define ICE_SR_PFA_LINK_OVERRIDE_OFFSET 2
+#define ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET 1
+#define ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET 2
+#define ICE_FW_API_LINK_OVERRIDE_MAJ 1
+#define ICE_FW_API_LINK_OVERRIDE_MIN 5
+#define ICE_FW_API_LINK_OVERRIDE_PATCH 2
+
#define ICE_PBA_FLAG_DFLT 0xFAFA
/* Hash redirection LUT for VSI - maximum array size */
#define ICE_VSIQF_HLUT_ARRAY_SIZE ((VSIQF_HLUT_MAX_INDEX + 1) * 4)
git.droids-corp.org / dpdk.git / commitdiff