[PATCH 06/15] net/dpaa: support ESP packet type in packet parsing

[Ferruh Yigit]

On 9/28/2022 6:25 AM, Gagandeep Singh wrote:
> Add support of ESP packet type in packet receive path.
> 
> Signed-off-by: Gagandeep Singh <g.singh at nxp.com>
> ---
>   drivers/net/dpaa/dpaa_rxtx.c | 10 ++++++++++
>   drivers/net/dpaa/dpaa_rxtx.h |  6 ++++++
>   2 files changed, 16 insertions(+)
> 
> diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c
> index 20b75efb63..22205cec30 100644
> --- a/drivers/net/dpaa/dpaa_rxtx.c
> +++ b/drivers/net/dpaa/dpaa_rxtx.c
> @@ -178,6 +178,16 @@ static inline void dpaa_eth_packet_info(struct rte_mbuf *m, void *fd_virt_addr)
>   		m->packet_type = RTE_PTYPE_L2_ETHER |
>   			RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
>   		break;
> +	case DPAA_PKT_TYPE_IPSEC_IPV4:
> +		if (*((uintptr_t *)&annot->parse) & DPAA_PARSE_ESP_MASK)
> +			m->packet_type = RTE_PTYPE_L2_ETHER |
> +				RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_ESP;
> +		break;
> +	case DPAA_PKT_TYPE_IPSEC_IPV6:
> +		if (*((uintptr_t *)&annot->parse) & DPAA_PARSE_ESP_MASK)
> +			m->packet_type = RTE_PTYPE_L2_ETHER |
> +				RTE_PTYPE_L3_IPV6 | RTE_PTYPE_TUNNEL_ESP;
> +		break;
>   	case DPAA_PKT_TYPE_IPV4_EXT_UDP:
>   		m->packet_type = RTE_PTYPE_L2_ETHER |
>   			RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP;

Shouldn't 'dpaa_supported_ptypes_get()' needs to be updated to notify 
host on the capability to report ESP types.

> diff --git a/drivers/net/dpaa/dpaa_rxtx.h b/drivers/net/dpaa/dpaa_rxtx.h
> index 99e09196e9..b2d7c0f2a3 100644
> --- a/drivers/net/dpaa/dpaa_rxtx.h
> +++ b/drivers/net/dpaa/dpaa_rxtx.h
> @@ -47,6 +47,7 @@
>    *	L4R 0xE0 -
>    *		0x20 - TCP
>    *		0x40 - UDP
> + *		0x60 - IPsec
>    *		0x80 - SCTP
>    *	L3R 0xEDC4 (in Big Endian) -
>    *		0x8000 - IPv4
> @@ -63,6 +64,7 @@
>    */
>   #define DPAA_PARSE_MASK			0x00F044EF00800000
>   #define DPAA_PARSE_VLAN_MASK		0x0000000000700000
> +#define DPAA_PARSE_ESP_MASK		0x0008000000000000
>   
>   /* Parsed values (Little Endian) */
>   #define DPAA_PKT_TYPE_NONE		0x0000000000000000
> @@ -137,6 +139,10 @@
>   			(0x0020000000000000 | DPAA_PKT_TYPE_TUNNEL_4_6)
>   #define DPAA_PKT_TYPE_TUNNEL_6_4_TCP \
>   			(0x0020000000000000 | DPAA_PKT_TYPE_TUNNEL_6_4)
> +#define DPAA_PKT_TYPE_IPSEC_IPV4 \
> +			(0x0060000000000000 | DPAA_PKT_TYPE_IPV4)
> +#define DPAA_PKT_TYPE_IPSEC_IPV6 \
> +			(0x0060000000000000 | DPAA_PKT_TYPE_IPV6)
>   
>   /* Checksum Errors */
>   #define DPAA_PKT_IP_CSUM_ERR		0x0000400200000000