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Commit 1a1dccc4 authored by Krishna Nagaraja's avatar Krishna Nagaraja
Browse files

msm: ipa: add support for PMIPv6 



Make changes to add new proc ctx and uCP commands to support Proxy Mobile IPv6.

Change-Id: I4c0995ffe6969c3183e6b16dd6dbd1203d7bec43
Signed-off-by: default avatarKrishna Nagaraja <quic_krisnag@quicinc.com>
parent daa78a41

include/uapi/linux/msm_ipa.h

+52 −1
Original line number Diff line number Diff line
@@ -1529,6 +1529,8 @@ enum ipa_hdr_l2_type { 
 * IPA_HDR_PROC_EoGRE_HEADER_ADD:       Add IPV[46] and GRE header

 * IPA_HDR_PROC_EoGRE_HEADER_REMOVE:    Remove IPV[46] and GRE header

 * IPA_HDR_PROC_WWAN_TO_ETHII_EX:		To update PCP value for E2E traffic.

 * IPA_HDR_PROC_GRE_HEADER_ADD,         Add IPV[46] and IP-GRE header

 * IPA_HDR_PROC_GRE_HEADER_REMOVE,      Remove IPV[46] and IP-GRE header

 */

enum ipa_hdr_proc_type {

	IPA_HDR_PROC_NONE,
@@ -1545,8 +1547,10 @@ enum ipa_hdr_proc_type { 
	IPA_HDR_PROC_EoGRE_HEADER_ADD,

	IPA_HDR_PROC_EoGRE_HEADER_REMOVE,

	IPA_HDR_PROC_WWAN_TO_ETHII_EX,

	IPA_HDR_PROC_GRE_HEADER_ADD,

	IPA_HDR_PROC_GRE_HEADER_REMOVE

};

#define IPA_HDR_PROC_MAX (IPA_HDR_PROC_WWAN_TO_ETHII_EX + 1)

#define IPA_HDR_PROC_MAX (IPA_HDR_PROC_GRE_HEADER_REMOVE + 1)



/**

 * struct ipa_rt_rule - attributes of a routing rule
@@ -1865,6 +1869,52 @@ struct ipa_eogre_hdr_proc_ctx_params { 
	struct ipa_eogre_header_remove_procparams hdr_remove_param;

};





/**

 * struct ipa_gre_header_add_procparams -

 * @eth_hdr_retained:  Specifies if Ethernet header is retained or not

 * @input_ip_version:  Specifies if Input header is IPV4(0) or IPV6(1)

 * @output_ip_version: Specifies if template header's outer IP is IPV4(0) or IPV6(1)

 * @second_pass:       Specifies if the data should be processed again.

 * @is_mpls:           Specifies if ucp cmd is for legacy EoGRE(0) or MPLSoGRE(1)

 * @tag_remove_len:    Specifies amount to be removed for the tags

 */

struct ipa_gre_header_add_procparams {

	uint32_t eth_hdr_retained :1;

	uint32_t input_ip_version :1;

	uint32_t output_ip_version :1;

	uint32_t second_pass :1;

	uint32_t is_mpls :1;

	uint32_t tag_remove_len :4;

	uint32_t reserved :23;

};



/**

 * struct ipa_gre_header_remove_procparams -

 * @hdr_len_remove:    Specifies how much (in bytes) of the header needs

 *                     to be removed

 * @outer_ip_version:  Specifies if template header's outer IP is IPV4(0) or IPV6(1)

 * @is_mpls:           Specifies if ucp cmd is for legacy EoGRE(0) or MPLSoGRE(1)

 * @tag_add_len:       Specifies amount to be added for the tags

 */

struct ipa_gre_header_remove_procparams {

	uint32_t hdr_len_remove :8; /* 44 bytes for IPV6, 24 for IPV4 */

	uint32_t outer_ip_version :1;

	uint32_t is_mpls :1;

	uint32_t tag_add_len :4;

	uint32_t reserved :18;

};



/**

 * struct ipa_gre_hdr_proc_ctx_params -

 * @hdr_add_param: parameters for header add

 * @hdr_remove_param: parameters for header remove

 */

struct ipa_gre_hdr_proc_ctx_params {

	struct ipa_gre_header_add_procparams hdr_add_param;

	struct ipa_gre_header_remove_procparams hdr_remove_param;

};



/**

 * struct ipa_eth_II_to_eth_II_ex_procparams -

 * @input_ethhdr_negative_offset: Specifies where the ethernet hdr offset is
@@ -1926,6 +1976,7 @@ struct ipa_hdr_proc_ctx_add { 
	struct ipa_eogre_hdr_proc_ctx_params eogre_params;

	struct ipa_eth_II_to_eth_II_ex_procparams generic_params;

	struct ipa_wwan_to_eth_II_ex_procparams generic_params_v2;

	struct ipa_gre_hdr_proc_ctx_params gre_params;

};



#define IPA_L2TP_HDR_PROC_SUPPORT