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iwlwifi: mvm: implement new IPv6 offload API

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The firmware API for IPv6 NDP/NS offload has changed again.
Implement support for the new API; this requires calculating
the solicited node address for each "target" address as it's
no longer ignored by the firmware.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2013-08-20 13:04:10 +02:00
parent f6fc57756b
commit f7fc598931
3 changed files with 118 additions and 5 deletions
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44
drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
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@@ -100,7 +100,12 @@ enum iwl_proto_offloads {
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V1 2
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V2 6
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX 6
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3L 12
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3S 4
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX 12
#define IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3L 4
#define IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3S 2
/**
* struct iwl_proto_offload_cmd_common - ARP/NS offload common part
@@ -155,6 +160,43 @@ struct iwl_proto_offload_cmd_v2 {
u8 reserved2[3];
} __packed; /* PROT_OFFLOAD_CONFIG_CMD_DB_S_VER_2 */
struct iwl_ns_config {
struct in6_addr source_ipv6_addr;
struct in6_addr dest_ipv6_addr;
u8 target_mac_addr[ETH_ALEN];
__le16 reserved;
} __packed; /* NS_OFFLOAD_CONFIG */
struct iwl_targ_addr {
struct in6_addr addr;
__le32 config_num;
} __packed; /* TARGET_IPV6_ADDRESS */
/**
* struct iwl_proto_offload_cmd_v3_small - ARP/NS offload configuration
* @common: common/IPv4 configuration
* @target_ipv6_addr: target IPv6 addresses
* @ns_config: NS offload configurations
*/
struct iwl_proto_offload_cmd_v3_small {
struct iwl_proto_offload_cmd_common common;
__le32 num_valid_ipv6_addrs;
struct iwl_targ_addr targ_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3S];
struct iwl_ns_config ns_config[IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3S];
} __packed; /* PROT_OFFLOAD_CONFIG_CMD_DB_S_VER_3 */
/**
* struct iwl_proto_offload_cmd_v3_large - ARP/NS offload configuration
* @common: common/IPv4 configuration
* @target_ipv6_addr: target IPv6 addresses
* @ns_config: NS offload configurations
*/
struct iwl_proto_offload_cmd_v3_large {
struct iwl_proto_offload_cmd_common common;
__le32 num_valid_ipv6_addrs;
struct iwl_targ_addr targ_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3L];
struct iwl_ns_config ns_config[IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3L];
} __packed; /* PROT_OFFLOAD_CONFIG_CMD_DB_S_VER_3 */
/*
* WOWLAN_PATTERNS