[dpdk-dev] [PATCH v2 2/2] drivers/i40e: fix the hash filter invalid calculation in X722

Ferruh Yigit ferruh.yigit at intel.com
Tue Oct 18 18:25:46 CEST 2016


On 10/16/2016 2:40 AM, Jeff Guo wrote:
> As X722 extracts IPv4 header to Field Vector different with XL710/X710,
> need to corresponding to modify the fields of IPv4 header in input set
> to map different default Field Vector Table of different NICs.
> 
> Signed-off-by: Jeff Guo <jia.guo at intel.com>
> 
> ---
> v2:
> fix compile error when x722 macro is not defined and simplify
> the code to avoid duplication.
> ---
>  drivers/net/i40e/i40e_ethdev.c | 73 ++++++++++++++++++++++++++++++++++--------
>  1 file changed, 60 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
> index 920fd6d..7895c11 100644
> --- a/drivers/net/i40e/i40e_ethdev.c
> +++ b/drivers/net/i40e/i40e_ethdev.c
> @@ -211,6 +211,16 @@
>  #define I40E_REG_INSET_L3_SRC_IP4                0x0001800000000000ULL
>  /* Destination IPv4 address */
>  #define I40E_REG_INSET_L3_DST_IP4                0x0000001800000000ULL
> +#ifdef X722_SUPPORT

If agreed on removing #ifdef X722_SUPPORT, please apply this into this
patch too.

> +/* Source IPv4 address for X722 */
> +#define I40E_X722_REG_INSET_L3_SRC_IP4           0x0006000000000000ULL
> +/* Destination IPv4 address for X722 */
> +#define I40E_X722_REG_INSET_L3_DST_IP4           0x0000060000000000ULL
> +/* IPv4 Protocol */
> +#define I40E_X722_REG_INSET_L3_IP4_PROTO         0x0010000000000000ULL
> +/* IPv4 Time to Live */
> +#define I40E_X722_REG_INSET_L3_IP4_TTL           0x0010000000000000ULL
> +#endif
>  /* IPv4 Type of Service (TOS) */
>  #define I40E_REG_INSET_L3_IP4_TOS                0x0040000000000000ULL
>  /* IPv4 Protocol */
> @@ -7581,7 +7591,7 @@ i40e_parse_input_set(uint64_t *inset,
>   * and vice versa
>   */
>  static uint64_t
> -i40e_translate_input_set_reg(uint64_t input)
> +i40e_translate_input_set_reg(enum i40e_mac_type type, uint64_t input)
>  {
>  	uint64_t val = 0;
>  	uint16_t i;
> @@ -7589,17 +7599,13 @@ i40e_translate_input_set_reg(uint64_t input)
>  	static const struct {
>  		uint64_t inset;
>  		uint64_t inset_reg;
> -	} inset_map[] = {
> +	} inset_map_common[] = {
>  		{I40E_INSET_DMAC, I40E_REG_INSET_L2_DMAC},
>  		{I40E_INSET_SMAC, I40E_REG_INSET_L2_SMAC},
>  		{I40E_INSET_VLAN_OUTER, I40E_REG_INSET_L2_OUTER_VLAN},
>  		{I40E_INSET_VLAN_INNER, I40E_REG_INSET_L2_INNER_VLAN},
>  		{I40E_INSET_LAST_ETHER_TYPE, I40E_REG_INSET_LAST_ETHER_TYPE},
> -		{I40E_INSET_IPV4_SRC, I40E_REG_INSET_L3_SRC_IP4},
> -		{I40E_INSET_IPV4_DST, I40E_REG_INSET_L3_DST_IP4},
>  		{I40E_INSET_IPV4_TOS, I40E_REG_INSET_L3_IP4_TOS},
> -		{I40E_INSET_IPV4_PROTO, I40E_REG_INSET_L3_IP4_PROTO},
> -		{I40E_INSET_IPV4_TTL, I40E_REG_INSET_L3_IP4_TTL},
>  		{I40E_INSET_IPV6_SRC, I40E_REG_INSET_L3_SRC_IP6},
>  		{I40E_INSET_IPV6_DST, I40E_REG_INSET_L3_DST_IP6},
>  		{I40E_INSET_IPV6_TC, I40E_REG_INSET_L3_IP6_TC},
> @@ -7627,16 +7633,56 @@ i40e_translate_input_set_reg(uint64_t input)
>  		{I40E_INSET_FLEX_PAYLOAD_W7, I40E_REG_INSET_FLEX_PAYLOAD_WORD7},
>  		{I40E_INSET_FLEX_PAYLOAD_W8, I40E_REG_INSET_FLEX_PAYLOAD_WORD8},
>  	};
> +#ifdef X722_SUPPORT
> +
> +    /* some different registers map in x722*/
> +	static const struct {
> +		uint64_t inset;
> +		uint64_t inset_reg;
> +	} inset_map_diff_x722[] = {

Can you please extract struct declaration, and re-use that to create
instances.

> +		{I40E_INSET_IPV4_SRC, I40E_X722_REG_INSET_L3_SRC_IP4},
> +		{I40E_INSET_IPV4_DST, I40E_X722_REG_INSET_L3_DST_IP4},
> +		{I40E_INSET_IPV4_PROTO, I40E_X722_REG_INSET_L3_IP4_PROTO},
> +		{I40E_INSET_IPV4_TTL, I40E_X722_REG_INSET_L3_IP4_TTL},
> +	};
> +#endif
> +
> +	static const struct {
> +		uint64_t inset;
> +		uint64_t inset_reg;
> +	} inset_map_diff_not_x722[] = {
> +		{I40E_INSET_IPV4_SRC, I40E_REG_INSET_L3_SRC_IP4},
> +		{I40E_INSET_IPV4_DST, I40E_REG_INSET_L3_DST_IP4},
> +		{I40E_INSET_IPV4_PROTO, I40E_REG_INSET_L3_IP4_PROTO},
> +		{I40E_INSET_IPV4_TTL, I40E_REG_INSET_L3_IP4_TTL},
> +	};
>  
>  	if (input == 0)
>  		return val;
>  
>  	/* Translate input set to register aware inset */
> -	for (i = 0; i < RTE_DIM(inset_map); i++) {
> -		if (input & inset_map[i].inset)
> -			val |= inset_map[i].inset_reg;
> +#ifdef X722_SUPPORT
> +	if (type == I40E_MAC_X722) {
> +		for (i = 0; i < RTE_DIM(inset_map_diff_x722); i++) {
> +			if (input & inset_map_diff_x722[i].inset)
> +				val |= inset_map_diff_x722[i].inset_reg;
> +		}
> +	} else {
> +		for (i = 0; i < RTE_DIM(inset_map_diff_not_x722); i++) {
> +			if (input & inset_map_diff_not_x722[i].inset)
> +				val |= inset_map_diff_not_x722[i].inset_reg;
> +		}
> +	}
> +#else

Since #ifdef removed, #else part should be gone.

> +	for (i = 0; i < RTE_DIM(inset_map_diff_not_x722); i++) {
> +		if (input & inset_map_diff_not_x722[i].inset)
> +			val |= inset_map_diff_not_x722[i].inset_reg;
> +	}
> +#endif
> +	for (i = 0; i < RTE_DIM(inset_map_common); i++) {
> +		if (input & inset_map_common[i].inset)
> +			val |= inset_map_common[i].inset_reg;
>  	}
> -
>  	return val;
>  }
>  
> @@ -7719,7 +7765,8 @@ i40e_filter_input_set_init(struct i40e_pf *pf)
>  						   I40E_INSET_MASK_NUM_REG);
>  		if (num < 0)
>  			return;
> -		inset_reg = i40e_translate_input_set_reg(input_set);
> +		inset_reg = i40e_translate_input_set_reg(hw->mac.type,
> +					input_set);
>  
>  		i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 0),
>  				      (uint32_t)(inset_reg & UINT32_MAX));
> @@ -7810,7 +7857,7 @@ i40e_hash_filter_inset_select(struct i40e_hw *hw,
>  	if (num < 0)
>  		return -EINVAL;
>  
> -	inset_reg |= i40e_translate_input_set_reg(input_set);
> +	inset_reg |= i40e_translate_input_set_reg(hw->mac.type, input_set);
>  
>  	i40e_check_write_reg(hw, I40E_GLQF_HASH_INSET(0, pctype),
>  			      (uint32_t)(inset_reg & UINT32_MAX));
> @@ -7888,7 +7935,7 @@ i40e_fdir_filter_inset_select(struct i40e_pf *pf,
>  	if (num < 0)
>  		return -EINVAL;
>  
> -	inset_reg |= i40e_translate_input_set_reg(input_set);
> +	inset_reg |= i40e_translate_input_set_reg(hw->mac.type, input_set);
>  
>  	i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 0),
>  			      (uint32_t)(inset_reg & UINT32_MAX));
> 



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