FMD: DSAR: Establish the auto-response driver

- New code for auto-response
- Changed parser init
- Added DsarCheckParams and fm_port_dsar_dump_regs
- Added snmp support
- Added statistics features
- Fixed SNMP oid table
- Removed usage of create_proc_entry - for merging to master

Change-Id: Icd6292c8d68ddb4ee60ecfed87419c1f4cbf5e74
Signed-off-by: Eyal Harari <Eyal.Harari@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/8711
Reviewed-by: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
Reviewed-by: Mandy Lavi <Mandy.Lavi@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
Tested-by: Jose Rivera <German.Rivera@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/9445

2 files changed, 289 insertions, 1 deletions

diff --git a/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_port_ext.h b/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_port_ext.h
index 4d05857..3a62b8d 100644
--- a/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_port_ext.h
+++ b/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_port_ext.h
@@ -45,7 +45,6 @@
 #include "fm_ext.h"
 #include "net_ext.h"
 
-
 /**************************************************************************//**
 
  @Group         FM_grp Frame Manager API
@@ -435,9 +434,47 @@ typedef struct t_FmPortPerformanceCnt {
     uint32_t    fifoCompVal;            /**< Fifo compare value (in bytes) */
 } t_FmPortPerformanceCnt;
 
+/**************************************************************************//**
+ @Description   A structure for defining the sizes of the Deep Sleep
+                the Auto Response tables
+*//***************************************************************************/
+typedef struct t_FmPortDsarTablesSizes
+{
+    uint16_t   maxNumOfArpEntries;
+    uint16_t   maxNumOfEchoIpv4Entries;
+    uint16_t   maxNumOfNdpEntries;
+    uint16_t   maxNumOfEchoIpv6Entries;
+    uint16_t   maxNumOfSnmpIPV4Entries;
+    uint16_t   maxNumOfSnmpIPV6Entries;
+    uint16_t   maxNumOfSnmpOidEntries;
+    uint16_t   maxNumOfSnmpOidChar; /* total amount of character needed for the snmp table */
+    
+    uint16_t   maxNumOfIpProtFiltering;
+    uint16_t   maxNumOfTcpPortFiltering;
+    uint16_t   maxNumOfUdpPortFiltering;
+} t_FmPortDsarTablesSizes;
 
 
 /**************************************************************************//**
+ @Function      FM_PORT_ConfigDsarSupport
+
+ @Description   This function will allocate the amount of MURAM needed for
+                this max number of entries for Deep Sleep Auto Response.
+                it will calculate all needed MURAM for autoresponse including
+                necesary common stuff.
+
+
+ @Param[in]     h_FmPort    A handle to a FM Port module.
+ @Param[in]     params      A pointer to a structure containing the maximum
+                            sizes of the auto response tables
+
+ @Return        E_OK on success; Error code otherwise.
+
+ @Cautions      Allowed only following FM_PORT_Config() and before FM_PORT_Init().
+*//***************************************************************************/
+t_Error FM_PORT_ConfigDsarSupport(t_Handle h_FmPortRx, t_FmPortDsarTablesSizes *params);
+
+/**************************************************************************//**
  @Function      FM_PORT_ConfigNumOfOpenDmas
 
  @Description   Calling this routine changes the max number of open DMA's
@@ -1277,6 +1314,256 @@ typedef struct t_FmPortCongestionGrps {
 #endif /* (DPAA_VERSION >= 11) */
 } t_FmPortCongestionGrps;
 
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response ARP Entry
+*//***************************************************************************/
+typedef struct t_FmPortDsarArpEntry
+{
+    uint32_t  ipAddress;
+    uint8_t   mac[6];
+    bool      isVlan;
+    uint16_t  vid;
+} t_FmPortDsarArpEntry;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response ARP info
+*//***************************************************************************/
+typedef struct t_FmPortDsarArpInfo
+{
+    uint8_t           tableSize;
+    t_FmPortDsarArpEntry *p_AutoResTable;
+    bool              enableConflictDetection; /* when TRUE Conflict Detection will be checked and wake the host if needed */
+} t_FmPortDsarArpInfo;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response NDP Entry
+*//***************************************************************************/
+typedef struct t_FmPortDsarNdpEntry
+{
+    uint32_t  ipAddress[4];
+    uint8_t   mac[6];
+    bool      isVlan;
+    uint16_t  vid;
+} t_FmPortDsarNdpEntry;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response NDP info
+*//***************************************************************************/
+typedef struct t_FmPortDsarNdpInfo
+{
+    uint32_t              multicastGroup;
+
+    uint8_t               tableSizeAssigned;
+    t_FmPortDsarNdpEntry  *p_AutoResTableAssigned; /* This list refer to solicitation IP addresses.
+                                                                 Note that all IP adresses must be from the same multicast group.
+                                                                 This will be checked and if not operation will fail. */
+    uint8_t               tableSizeTmp;
+    t_FmPortDsarNdpEntry  *p_AutoResTableTmp;      /* This list refer to temp IP addresses.
+                                                             Note that all temp IP adresses must be from the same multicast group.
+                                                             This will be checked and if not operation will fail. */
+    
+    bool                  enableConflictDetection; /* when TRUE Conflict Detection will be checked and wake the host if needed */
+    
+} t_FmPortDsarNdpInfo;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response ICMPV4 info
+*//***************************************************************************/
+typedef struct t_FmPortDsarEchoIpv4Info
+{
+    uint8_t            tableSize;
+    t_FmPortDsarArpEntry  *p_AutoResTable;
+} t_FmPortDsarEchoIpv4Info;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response ICMPV6 info
+*//***************************************************************************/
+typedef struct t_FmPortDsarEchoIpv6Info
+{
+    uint8_t            tableSize;
+    t_FmPortDsarNdpEntry  *p_AutoResTable;
+} t_FmPortDsarEchoIpv6Info;
+
+/**************************************************************************//**
+@Description    Deep Sleep Auto Response SNMP OIDs table entry
+                 
+*//***************************************************************************/
+typedef struct {
+    uint16_t oidSize;     /**< Size in octets of the OID. */
+    uint16_t resSize;     /**< Size in octets of the value that is attached to the OID. */
+    uint8_t *p_Oid;       /**< Pointer to the OID. OID is encoded in BER but type and length are excluded. */
+    uint64_t resValOrPtr; /**< Value (for up to 4 octets) or pointer to the Value. Encoded in BER. */
+} t_FmPortDsarOidsEntry;
+
+/**************************************************************************//**
+ @Description   Deep Sleep Auto Response SNMP IPv4 Addresses Table Entry
+                Refer to the FMan Controller spec for more details.
+*//***************************************************************************/
+typedef struct
+{
+    uint32_t ipv4Addr; /*!< 32 bit IPv4 Address. */
+    bool      isVlan;
+    uint16_t vid;   /*!< 12 bits VLAN ID. The 4 left-most bits should be cleared                      */
+                       /*!< This field should be 0x0000 for an entry with no VLAN tag or a null VLAN ID. */
+} t_FmPortDsarSnmpIpv4AddrTblEntry;
+
+/**************************************************************************//**
+ @Description   Deep Sleep Auto Response SNMP IPv6 Addresses Table Entry
+                Refer to the FMan Controller spec for more details.
+*//***************************************************************************/
+typedef struct
+{
+    uint32_t ipv6Addr[4];  /*!< 4 * 32 bit IPv6 Address.                                                     */
+    bool      isVlan;
+    uint16_t vid;       /*!< 12 bits VLAN ID. The 4 left-most bits should be cleared                      */
+                           /*!< This field should be 0x0000 for an entry with no VLAN tag or a null VLAN ID. */
+} t_FmPortDsarSnmpIpv6AddrTblEntry;
+
+/**************************************************************************//**
+ @Description   Deep Sleep Auto Response SNMP Descriptor
+
+*//***************************************************************************/
+typedef struct
+{
+    uint16_t control;                          /**< Control bits [0-15]. */
+    uint16_t maxSnmpMsgLength;                 /**< Maximal allowed SNMP message length. */
+    uint16_t numOfIpv4Addresses;               /**< Number of entries in IPv4 addresses table. */
+    uint16_t numOfIpv6Addresses;               /**< Number of entries in IPv6 addresses table. */
+    t_FmPortDsarSnmpIpv4AddrTblEntry *p_Ipv4AddrTbl; /**< Pointer to IPv4 addresses table. */
+    t_FmPortDsarSnmpIpv6AddrTblEntry *p_Ipv6AddrTbl; /**< Pointer to IPv6 addresses table. */
+    uint8_t *p_RdOnlyCommunityStr;             /**< Pointer to the Read Only Community String. */
+    uint8_t *p_RdWrCommunityStr;               /**< Pointer to the Read Write Community String. */
+    t_FmPortDsarOidsEntry *p_OidsTbl;                 /**< Pointer to OIDs table. */
+    uint32_t oidsTblSize;                      /**< Number of entries in OIDs table. */
+} t_FmPortDsarSnmpInfo;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response filtering Entry
+*//***************************************************************************/
+typedef struct t_FmPortDsarFilteringEntry
+{
+    uint16_t    srcPort;
+    uint16_t    dstPort;
+    uint16_t    srcPortMask;
+    uint16_t    dstPortMask;
+} t_FmPortDsarFilteringEntry;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response filtering info
+*//***************************************************************************/
+typedef struct t_FmPortDsarFilteringInfo
+{
+    /* IP protocol filtering parameters */
+    uint8_t     ipProtTableSize;
+    uint8_t     *p_IpProtTablePtr;
+    bool        ipProtDropOnHit;  /* when TRUE, hit in the table will cause the packet to be droped,
+                                         miss will pass the packet to UDP/TCP filters if needed and if not
+                                         to the classification tree. If the classification tree will pass
+                                         the packet to a queue it will cause a wake interupt.
+                                         When FALSE it the other way around. */
+    /* UDP port filtering parameters */
+    uint8_t     udpPortsTableSize;
+    t_FmPortDsarFilteringEntry *p_UdpPortsTablePtr;
+    bool        udpPortDropOnHit; /* when TRUE, hit in the table will cause the packet to be droped,
+                                         miss will pass the packet to classification tree.
+                                         If the classification tree will pass the packet to a queue it
+                                         will cause a wake interupt.
+                                         When FALSE it the other way around. */
+    /* TCP port filtering parameters */
+    uint16_t    tcpFlagsMask;
+    uint8_t     tcpPortsTableSize;
+    t_FmPortDsarFilteringEntry *p_TcpPortsTablePtr;
+    bool        tcpPortDropOnHit; /* when TRUE, hit in the table will cause the packet to be droped,
+                                         miss will pass the packet to classification tree.
+                                         If the classification tree will pass the packet to a queue it
+                                         will cause a wake interupt.
+                                         When FALSE it the other way around. */
+} t_FmPortDsarFilteringInfo;
+
+/**************************************************************************//**
+ @Description   Structure for Deep Sleep Auto Response parameters
+*//***************************************************************************/
+typedef struct t_FmPortDsarParams
+{
+    t_Handle                  h_FmPortTx;
+    t_FmPortDsarArpInfo       *p_AutoResArpInfo;
+    t_FmPortDsarEchoIpv4Info  *p_AutoResEchoIpv4Info;
+    t_FmPortDsarNdpInfo       *p_AutoResNdpInfo;
+    t_FmPortDsarEchoIpv6Info  *p_AutoResEchoIpv6Info;
+    t_FmPortDsarSnmpInfo      *p_AutoResSnmpInfo;
+    t_FmPortDsarFilteringInfo *p_AutoResFilteringInfo;
+} t_FmPortDsarParams;
+
+/**************************************************************************//**
+ @Function      FM_PORT_EnterDsar
+
+ @Description   Enter Deep Sleep Auto Response mode.
+                This function write the apropriate values to in the relevant
+                tables in the MURAM. It then set the Tx port in independent
+                mode as needed and redirect the receive flow to go through the
+                Dsar Fman-ctrl code
+
+                Calling this routine invalidates the descriptor.
+
+ @Param[in]     h_FmPortRx - FM PORT module descriptor
+ @Param[in]     params - Auto Response parameters
+
+ @Return        E_OK on success; Error code otherwise.
+
+ @Cautions      Allowed only following FM_PORT_Init().
+*//***************************************************************************/
+t_Error FM_PORT_EnterDsar(t_Handle h_FmPortRx, t_FmPortDsarParams *params);
+
+/**************************************************************************//**
+ @Function      FM_PORT_ExitDsar
+
+ @Description   Exit Deep Sleep Auto Response mode.
+                This function reverse the AR mode and put the ports back into
+                their original wake mode
+
+ @Param[in]     h_FmPortRx - FM PORT Rx module descriptor
+ @Param[in]     h_FmPortTx - FM PORT Tx module descriptor
+
+ @Return        E_OK on success; Error code otherwise.
+
+ @Cautions      Allowed only following FM_PORT_EnterDsar().
+*//***************************************************************************/
+void FM_PORT_ExitDsar(t_Handle h_FmPortRx, t_Handle h_FmPortTx);
+
+/**************************************************************************//**
+ @Function      FM_PORT_IsInDsar
+
+ @Description   This function returns TRUE if the port was set as Auto Response
+                and FALSE if not. Once Exit AR mode it will return FALSE as well
+                until re-enabled once more.
+
+ @Param[in]     h_FmPort - FM PORT module descriptor
+
+ @Return        E_OK on success; Error code otherwise.
+*//***************************************************************************/
+bool FM_PORT_IsInDsar(t_Handle h_FmPort);
+
+typedef struct t_FmPortDsarStats
+{
+    uint32_t arpArCnt;
+    uint32_t echoIcmpv4ArCnt;
+    uint32_t ndpArCnt;
+    uint32_t echoIcmpv6ArCnt;
+    uint32_t snmpGetCnt;
+    uint32_t snmpGetNextCnt;
+} t_FmPortDsarStats;
+
+/**************************************************************************//**
+ @Function      FM_PORT_GetDsarStats
+
+ @Description   Return statistics for Deep Sleep Auto Response
+
+ @Param[in]     h_FmPortRx - FM PORT module descriptor
+ @Param[out]	stats - structure containing the statistics counters
+
+ @Return        E_OK on success; Error code otherwise.
+*//***************************************************************************/
+t_Error FM_PORT_GetDsarStats(t_Handle h_FmPortRx, t_FmPortDsarStats *stats);
 
 #if (defined(DEBUG_ERRORS) && (DEBUG_ERRORS > 0))
 /**************************************************************************//**
diff --git a/drivers/net/ethernet/freescale/fman/inc/flib/fsl_fman_prs.h b/drivers/net/ethernet/freescale/fman/inc/flib/fsl_fman_prs.h
index 30d2ecf..b18997d 100644
--- a/drivers/net/ethernet/freescale/fman/inc/flib/fsl_fman_prs.h
+++ b/drivers/net/ethernet/freescale/fman/inc/flib/fsl_fman_prs.h
@@ -96,6 +96,7 @@ void fman_prs_defconfig(struct fman_prs_cfg *cfg);
 int fman_prs_init(struct fman_prs_regs *regs, struct fman_prs_cfg *cfg);
 void fman_prs_enable(struct fman_prs_regs *regs);
 void fman_prs_disable(struct fman_prs_regs *regs);
+int fman_prs_is_enabled(struct fman_prs_regs *regs);
 void fman_prs_set_stst_port_msk(struct fman_prs_regs *regs, uint32_t pid_msk);
 void fman_prs_set_stst(struct fman_prs_regs *regs, bool enable);
 #endif /* __FSL_FMAN_PRS_H */